Plastic pop can and welding device for production thereof
Technical Field
The invention belongs to the technical field of plastic welding, and particularly relates to a plastic pop can and a welding device for producing the same.
Background
Plastic is favored as a packaging material because of its light weight, high design flexibility, cost effectiveness, and the like. In particular, in the beverage packaging industry, plastic pop cans are used as an emerging substitute, and aims to reduce the use of metal materials and improve the packaging sustainability.
The design of the plastic pop can needs to meet strict food safety standards, ensure that the material is nontoxic and corrosion-resistant, and has good sealing performance to prevent the content from leaking or being polluted by the outside. In addition, structural strength, weight reduction, ease of opening, aesthetics, and the like are also considered.
Because of the technical problem, the can body and the cover body of the plastic pop can cannot be molded and demolded well, and the can body and the cover body are required to be welded after being produced independently to realize sealing, so that the plastic welding technology is a key link of the production of the plastic pop can, and directly influences the quality, the production efficiency and the cost control of a finished product. Ultrasonic welding is a process technique that uses high frequency sonic energy to join two or more plastic materials, but the welding apparatus is designed specifically according to different product requirements.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved plastic pop can and a welding device for production thereof.
In order to solve the technical problems, the invention provides a plastic pop can, which comprises a plastic can body, wherein a macromolecule barrier film is fused on the inner wall of the plastic can body by heat during injection molding, the opening of the plastic can body is gradually reduced to the inner bottom of the plastic can body, the plastic can body is a cone with a big upper part and a small lower part, the outside of the opening of the plastic can body is provided with a can edge, the opening of the plastic can body is connected with a plastic cover body in a welding way, the outside of the plastic cover body is provided with a cover edge, the lower side of the cover of the plastic cover body is connected with the upper side of the cover edge of the plastic can body in a welding way, the cover edge of the plastic cover body is provided with an embedded part close to the inner wall of the plastic can body in a way of being perpendicular to the plastic can body, the embedded part of the plastic cover body is embedded into the plastic can body in a welding way and is connected with the plastic can body in a way, one side of the cover opening of the plastic cover body, the cover opening of the plastic cover body is provided with an inclined drainage part I, the drainage part I can be a chamfer or a round cover, and the cover opening of the plastic cover is provided with a plurality of times.
Preferably, the polymer barrier film comprises a barrier film center surface for fusing to the inner bottom side of the plastic tank body and a circle of barrier film overlapping sheets which are connected to the outer side of the barrier film center surface and are used for fusing to the inner wall of the plastic tank body, the side edges of the barrier film overlapping sheets are widened by 5mm, the barrier film overlapping sheets are suitable for being folded along the outer side of the barrier film center surface and overlapped with the side edges of the rest barrier film overlapping sheets, one side of the barrier film overlapping sheets, which is far away from the barrier film center surface, is provided with a folding part of 3mm, and the folding part of 3mm on the barrier film is suitable for being folded to the upper side of the edge of the plastic tank body.
Preferably, the plastic tank further comprises a collar part, wherein the collar part perpendicular to the plastic tank is arranged on the position, close to the tank opening, of the inner wall of the plastic tank, and when the supporting part in the plastic tank supports the other plastic tank, the inner side of the collar part is in contact fit with the outer side of the plastic tank supported by the supporting part.
Preferably, the plastic cover body is hollowed towards one side of the plastic cover body along the embedded part, the cover opening of the plastic cover body is positioned at the eccentric part of the plastic cover body, one side, close to the plastic cover body, of the cover opening of the plastic cover body is communicated with the connecting ring in a welding mode, the upper part of the connecting ring is provided with a embedded part tightly attached to the first drainage part on the cover opening, one side, far away from the cover opening, of the connecting ring is provided with a gasket positioned between the embedded part on the plastic cover body and the collar part on the plastic cover body, the gasket can be, but is not limited to, an aluminum foil or a plastic sheet, wherein the cost of the aluminum foil is higher than that of the plastic sheet, but the blocking effect of the aluminum foil on liquid is better, the weldability and the structural property of the plastic sheet are stronger, one side, far away from the cover opening, of the connecting ring is provided with the second drainage part with the same structure as the first drainage part, and the second drainage part is close to the inner wall of the plastic cover body.
Preferably, the inner diameter of the connecting ring is between the diameter of the cross section of the plastic tank body in the quarter height and the diameter of the cross section of the plastic tank body in the three-quarter height, the height of the supporting part is between the upper part of the bottom of the plastic tank body and the lower part of the embedded part of the plastic cover body, and when the supporting part in the plastic tank body supports another plastic tank body, the connecting ring is in contact fit with the outer side of the plastic tank body supported by the supporting part.
The invention also provides a welding device for producing the plastic pop can, which comprises a frame, wherein an ultrasonic welder and an electric turntable are arranged on the upper side of the rear part of the frame, a vibrator of the ultrasonic welder is positioned above the eccentric position of the electric turntable, a circle of supporting cylinders for accommodating a plastic can body are connected on the upper side of the electric turntable, the supporting cylinders correspond to the vibrator of the ultrasonic welder, the supporting cylinders are four, two supporting frames are arranged on the upper part of the frame, a first blanking cylinder and a second blanking cylinder are respectively arranged on the two supporting frames, the first blanking cylinder is positioned between the first blanking cylinder and the ultrasonic welder, a gasket on a connecting ring and a gasket on the connecting ring are loaded on the first blanking cylinder, the blanking barrel II is used for loading the plastic cover body, blanking assemblies are arranged at the lower ends of the blanking barrel I and the blanking barrel II, a feeding assembly is arranged between the blanking barrel I and the blanking barrel II, the feeding assembly is used for respectively feeding the connecting ring and the plastic cover body into the blanking barrel I and the blanking barrel II, the blanking assembly is used for discharging the connecting ring and the plastic cover body in the blanking barrel I and the blanking barrel II into the plastic tank body, a guide barrel I used for penetrating through the connecting ring inner hole and a guide barrel II used for penetrating through the plastic cover body upper cover opening are respectively arranged between the blanking barrel I and the blanking barrel II, and the guide barrel I and the guide barrel II are rotationally symmetrical with each other with the electric turntable as the center.
Preferably, the feeding assembly comprises a supporting plate, a supporting plate is connected between a first feeding barrel and a second feeding barrel, a double-shaft motor is arranged on the supporting plate, shafts are connected to an upper output shaft and a lower output shaft of the double-shaft motor, a first rotating rod is connected to the upper end of the upper rotating shaft, two arc-shaped first limiting rods are connected to the two ends of the first rotating rod, the two arc-shaped first limiting rods are rotationally symmetrical with the shafts as centers, one arc-shaped first limiting rod penetrates the upper ends of the first feeding barrel and the first guiding barrel in a sliding mode, the other arc-shaped first limiting rod penetrates the upper ends of the second feeding barrel and the second guiding barrel in a sliding mode, guide rails are connected to the outer sides of the first feeding barrel and the second feeding barrel, a first character-shaped limiting rod and the second feeding barrel are respectively arranged on the two ends of the first feeding barrel and the second guiding barrel in a sliding mode, one group of first connecting rods are respectively hinged to the upper ends of the first feeding barrel and the second guiding barrel through the first guide rods, one group of first connecting rods and one group of first connecting rods are respectively hinged to the first group of connecting rods, and the second group of connecting rods are respectively hinged to the first group of connecting rods.
Preferably, the feeding assembly further comprises a second rotating rod, the rotating shaft below the second rotating rod is connected with the second rotating rod, two ends of the second rotating rod are connected with the second arc-shaped limiting rods, the second arc-shaped limiting rods are arranged in a rotationally symmetrical mode by taking the rotating shaft as the center, one of the second arc-shaped limiting rods is suitable for penetrating through the lower parts of the first discharging barrel and the first guide barrel in a sliding mode, the second arc-shaped limiting rods are suitable for penetrating through the lower parts of the second discharging barrel and the second guide barrel in a sliding mode, the first arc-shaped limiting rods and the second arc-shaped limiting rods are arranged in a two-phase mode, the first discharging barrel and the second discharging barrel are provided with first limiting rods in a sliding mode through the lower parts of the first discharging barrel and the second guide barrel in a sliding mode through the second arc-shaped limiting rods, the second arc-shaped limiting rods are suitable for penetrating through the lower parts of the first discharging barrel and the second guide barrel in a sliding mode, two groups of connecting rods are arranged between the second arc-shaped limiting rods and the two ends of the second discharging barrel respectively, each group of the second arc-shaped limiting rods and the second arc-shaped limiting rods are hinged to the second connecting rods on the first discharging barrel and the second rotating rod in a sliding mode, the two groups of the same group of two connecting rods are hinged.
Preferably, the blanking component at the lower end of the blanking barrel comprises a second rotating rod, the lower end of the first blanking barrel is slidably provided with a blanking rod and a blocking rod positioned below the blanking rod, a spring surrounding the blanking rod is connected between the blocking rod and the first blanking barrel, the spring is used for resetting the blocking rod after sliding, one end of the blanking rod positioned in the first blanking barrel is a wedge-shaped end with a downward inclined surface, the blanking rod is connected with a first rack, the lower end of the first blanking barrel is rotatably provided with a gear meshed with the first rack, the blocking rod is connected with a second rack meshed with the gear, the first rack and the second rack are meshed with the upper side and the lower side of the gear respectively, a wedge-shaped frame is connected to the lower side of the blocking rod, the supporting barrel is connected with a blocking rod suitable for being in contact fit with the wedge-shaped frame, the blanking component at the lower end of the second blanking barrel is identical in structure to the blanking component at the lower end of the blanking barrel, and the blanking component at the lower end of the second blanking barrel is suitable for blanking a plastic cover body.
On the basis of overcoming the defects of the prior art, the invention has the following beneficial effects:
1. The high polymer barrier film on the inner wall of the plastic tank body is used for preventing substances such as oxygen, carbon dioxide, water vapor and the like from penetrating, the plastic tank body and the plastic cover body can be stacked in a classified manner when not welded, so that the plastic tank is convenient to accommodate and transport, and the connecting cover can be repeatedly opened for use, so that the sealing of liquid is convenient.
2. The lantern ring part forms compression and tension resistant structures in different position directions in the plastic tank body, so that the toughness and structural stability are improved, in addition, the outer sides of the plastic tank bodies are clamped by the lantern ring part, so that the stacked plastic tank bodies are more stable, and gaskets can be welded to the lantern ring part when the plastic cover bodies are welded, and meanwhile, the drainage of liquid is realized by the connecting rings.
3. Through guide cylinder one and guide cylinder two, realize the automatic alignment of connecting ring and last hole site of plastics lid in continuous unloading in-process, improve subsequent assembly efficiency, reduce the error rate, save the step of manual work counterpoint, improve work efficiency.
Drawings
FIG. 1 is an exploded view of a plastic can and plastic lid of the present invention.
FIG. 2 is a schematic view of a polymer barrier film according to the present invention.
FIG. 3 is a schematic view of a stack of two plastic covers of the present invention, wherein the plastic covers are in full section.
FIG. 4 is a cross-sectional view of the plastic overcap, connecting cap, and snap-in cap of the present invention.
FIG. 5 is a schematic illustration of a stack of two plastic cans of the present invention, with the plastic cans in full section.
Fig. 6 is an enlarged view of fig. 5 at a in accordance with the present invention.
FIG. 7 is an exploded view of the plastic overcap, plastic cap and adapter ring of the present invention.
Fig. 8 is a cross-sectional view of the plastic cover and the adapter ring of the present invention.
Fig. 9 is an enlarged view of fig. 8B in accordance with the present invention.
FIG. 10 is a schematic view of a two-ring stack according to the present invention, wherein the rings are fully cut.
Fig. 11 is an assembly schematic of the welding device of the present invention.
Fig. 12 is a cross-sectional view of the first and second blanking cartridges of the present invention.
Fig. 13 is a cross-sectional view of a first guide cylinder of the present invention.
FIG. 14 is a schematic view of a portion of the receiving ring, blanking bar and retaining bar of the present invention.
FIG. 15 is a schematic view of a portion of a second blanking barrel, a second guide barrel, and a plastic cover according to the present invention.
The marks in the drawings provided by the invention are as follows:
011-a center plane of the barrier film, 012-a overlapping sheet of the barrier film, 013-a folding part, a 1-plastic tank body, a 10-tank edge, a 11-supporting part, a 12-collar part, a 2-plastic cover body, a 20-cover edge, a 21-cover opening, a 22-drainage part I, a 23-embedding part, a 31-connecting cover, a 41-connecting ring, a 410-drainage part II and a 42-gasket;
The device comprises a 51-frame, a 52-ultrasonic welding machine, a 53-electric turntable, a 54-supporting cylinder, a 61-supporting frame, a 620-guiding rail, a 621-blanking cylinder I, a 622-blanking cylinder II, a 631-guiding cylinder I, a 632-guiding cylinder II, a 64-supporting plate, a 65-double-shaft motor, a 66-rotating rod I, a 67-arc-shaped limiting rod I, a 68-line-shaped limiting rod I, a 69-connecting rod I, a 71-rotating rod II, a 72-arc-shaped limiting rod II, a 73-line-shaped limiting rod II, a 74-connecting rod II, a 81-blanking rod, a 82-rack I, a 83-gear, a 84-blocking rod, a 85-spring, a 86-rack II, a 87-wedge-shaped frame and a 88-contact-resisting rod.
Detailed Description
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it should be understood that the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not form a conflict with each other.
1-10, The plastic pop can comprises a plastic can body 1, wherein the inner wall of the plastic can body 1 is fused with a polymer barrier film by heat during injection molding, and the polymer barrier film can effectively prevent permeation of substances such as oxygen, carbon dioxide, water vapor and the like, which is important for prolonging the shelf life of products such as foods, beverages, medicines and the like; the opening of the plastic tank 1 gradually decreases towards the inner bottom of the plastic tank 1, so that the plastic tank 1 is a cone with a big top and a small bottom, and the cross section of the plastic tank 1 can be round or square, in the embodiment, the cross section of the plastic tank 1 is round, the inner wall of the plastic tank 1 is provided with a supporting part 11 far away from the opening, and when the plastic tanks 1 of the cone are sleeved together, the supporting part 11 in the plastic tank 1 supports the rest plastic tanks 1, so that the plastic tanks 1 are conveniently stacked and placed (as shown in fig. 5); the outside of the tank mouth of the plastic tank body 1 is provided with a tank edge 10, the tank mouth of the plastic tank body 1 is connected with a plastic cover body 2 in a welding way, the outside of the plastic cover body 2 is provided with a cover edge 20, the lower side of the cover edge 20 of the plastic cover body 2 is connected with the upper side of the tank edge 10 of the plastic tank body 1 in a welding way, the cover edge 20 of the plastic cover body 2 is provided with an embedded part 23 which is close to the inner wall of the plastic tank body 1 in a protruding way perpendicular to the direction of the plastic tank body 1, the embedded part 23 of the plastic cover body 2 is embedded into the plastic tank body 1 and is connected with the plastic tank body 1 in a welding way, thereby the contact between the cover edge 20 and the tank edge 10 is reused, the structural stability and the sealing performance when the plastic cover body 2 is welded to the plastic tank body 1 are increased, the protruding degree of the cover edge 20 and the tank edge 10 can be omitted, the embedded part 23 is compensated, with this enhancement pleasing to the eye, the protruding lid 21 that keeps away from plastic tank 1 that is gone up to the direction of perpendicular to plastic tank 1 in the plastic lid 2, the lid 21 is close to one side of plastic tank 1 has slope drainage portion one 22, when slope plastic tank 1 and plastic lid 2, make the liquid in the plastic tank 1 be close to lid 21 more and follow lid 21 when utilizing drainage portion one 22, thereby make things convenient for people to drink the drink, drainage portion one 22 can be chamfer or rounding, in this embodiment, drainage portion one 22 is rounding, in addition, when plastic lid 2 has not welded to plastic tank 1, through the difference in height that forms between lid 21 and the embedded portion 23, make the embedded portion 23 of top plastic lid 2 surround in the lid 21 of below plastic lid 2, and the upper end of lid 21 of below plastic lid 2 can be with the drainage portion one 22 of top plastic lid 2 department, can stack a plurality of plastic lids 2 and place (as shown in fig. 3), so that this transportation holds lid 2 and can be repeatedly used 31 in order to make the lid 31 can be connected in a plurality of places, can be repeatedly used in the lid 31.
As shown in fig. 2, the polymer barrier film comprises a barrier film center face 011 for fusing to the inner bottom side of the plastic tank 1 and a circle of barrier film overlapping pieces 012 joined to the outer side of the barrier film center face 011 for fusing to the inner wall of the plastic tank 1, the sides of the barrier film overlapping pieces 012 are widened by 5mm, the barrier film overlapping pieces 012 are adapted to fold along the outer side of the barrier film center face 011 and overlap with the sides of the remaining barrier film overlapping pieces 012, the barrier film overlapping pieces 012 have a 3mm folded portion 013 on the side away from the barrier film center face 011, the 3mm folded portion 013 on the barrier film is adapted to fold to the upper side of the 10 place of the tank edge of the plastic tank 1, when the polymer barrier film is added to the outer side of the plastic tank 1, the polymer barrier film can be folded into a cylindrical shape by a manipulator and wrapped by means of static electricity for injection molding the inner mold core of the plastic tank 1, and then the polymer barrier film is fused by heat during injection molding of the plastic tank 1, the specific operation is not described herein.
As shown in fig. 5 and 6, the plastic tank further comprises a collar portion 12, the collar portion 12 perpendicular to the plastic tank 1 is arranged at the position, close to the tank opening, of the inner wall of the plastic tank 1, so that compression and tension resistant structures in different position directions are formed, toughness and structural stability of the plastic tank 1 are improved, when the supporting portion 11 in the plastic tank 1 supports another plastic tank 1, the inner side of the collar portion 12 is in contact fit with the outer side of the plastic tank 1 supported by the supporting portion, and therefore, on the basis of increasing toughness and structural stability, the stacked plastic tanks 1 are more stable by the collar portion 12.
As shown in fig. 7-10, the plastic lid body 2 is hollowed along the embedded part 23 towards one side of the plastic lid body 1, on the basis of not influencing the welding function, the weight and the processing cost are reduced, the use and the resource saving are convenient for users, the lid opening 21 of the plastic lid body 2 is positioned at the eccentric position of the plastic lid body 2, the users can drink the beverage in the plastic lid body 1 more comfortably by using the lid opening 21, one side of the lid opening 21 of the plastic lid body 2, which is close to the plastic lid body 1, is communicated with the embedded part 41 in a welding way, the upper part of the embedded part 41 is provided with an embedded part tightly attached to the drainage part 22 on the lid opening 21, the welding connection with the lid opening 21 is facilitated through the embedded part of the embedded part 41 on the side of the embedded part 41, which is far away from the lid opening 21, of the embedded part 41 is provided with a gasket 42 positioned between the embedded part 23 on the plastic lid body 2 and the collar part 12 on the plastic lid body 1, when the plastic cover body 2 is welded and connected to the plastic tank body 1, the gasket 42 is welded and pressed between the plastic tank body 1 and the plastic cover body 2, so that liquid is prevented from flowing into the hollow structure of the plastic cover body 2, even if the plastic cover body 2 has the hollow structure, the liquid can conveniently flow out of the inner hole of the connecting ring 41 and the cover opening 21 of the plastic cover body 2 through the gasket 42, the sealing performance is improved, the gasket 42 can be but not limited to an aluminum foil or a plastic sheet, wherein the cost of the aluminum foil is higher than that of the plastic sheet, the blocking effect of the aluminum foil on the liquid is better, the weldability and the structural property of the plastic sheet are stronger, and the liquid can be blocked by selecting according to the requirement; the side of the connecting ring 41 away from the cover opening 21 is provided with a second drainage part 410 with the same structure as the first drainage part 22, both for facilitating the outflow of liquid, the second drainage part 410 is close to the inner wall of the plastic can 1 (matched with the cover opening 21 at the eccentric position, so that the outflow of liquid is convenient, the use comfort is improved), the second drainage part 410 is positioned at the edge of the inner hole of the connecting ring 41, the embedded part at the upper part of the lower connecting ring 41 corresponds to the second drainage part 410 at the lower part of the upper connecting ring 41 when the connecting rings 41 are stacked, the connecting rings 41 are stacked conveniently, in addition, the embedded part 23 on the plastic cover 2 is welded and connected with the collar part 12 on the plastic can 1, so that the pre-stress of the welded structure is further improved through the collar part 12, the steps are mutually related and mutually coordinated, the effects of various aspects are achieved, and the additional explanation is that the plastic can 1 can be sold and used independently under the condition that the connecting rings 41 are not welded, and the plastic can 1 and the plastic cover 2 can be sold and used as a second set, and the plastic can be sold and used as a third set under the condition that the connecting rings 41 are not welded, and the combination of the plastic can be used as a third set is more convenient for users, and the market is different in the market, and the product is convenient to use.
In this embodiment, the inner diameter of the collar portion 12 is preferably between the diameter of the cross section of the plastic can 1 in one quarter of the height and the diameter of the cross section of the plastic can 1 in three quarters of the height, the height of the supporting portion 11 is between the upper part of the inner bottom of the plastic can 1 and the lower part of the embedded portion 23 of the plastic cover 2, when the supporting portion 11 in the plastic can 1 supports another plastic can 1, the collar portion 12 is in contact fit with the outer side of the plastic can 1 supported by the supporting portion 11, that is, when the supporting portion 11 is higher, the supporting portion 11 is capable of supporting the plastic can 1 higher, the supported plastic can 1 is easier to separate from the plastic can 1 below the supporting portion, and the inner diameter of the collar portion 12 is also smaller, so that the limit of the collar portion 12 to the plastic can 1 is ensured, and the area of the sealing film can be supported by the convex ring is also increased.
11-15, A welding device for producing the plastic pop can comprises a frame 51, an ultrasonic welder 52 and an electric turntable 53 are arranged on the upper side of the rear part of the frame 51, a vibrator of the ultrasonic welder 52 is arranged above the eccentric position of the electric turntable 53, a circle of supporting cylinders 54 for accommodating the plastic can body 1 is connected on the upper side of the electric turntable 53, the supporting cylinders 54 correspond to the vibrator of the ultrasonic welder 52, in the embodiment, the supporting cylinders 54 are four, the plastic can body 1 is placed on the supporting cylinders 54, and a connecting ring 41, a gasket 42, The plastic cover body 2 is placed in the plastic can body 1 in turn, the collar part 12 supports the gasket 42, the embedded part at the upper part of the connecting ring 41 is embedded with the first drainage part 22 at the lower part of the cover opening 21, the embedded part 23 presses the gasket 42 on the supporting part 11, at the moment, the electric turntable 53 is controlled to drive the assembled plastic can body 1 to rotate to the position right below the shock of the ultrasonic welder 52 through the supporting cylinder 54, the shock is controlled to move downwards to press the plastic cover body 2 and convert the input high-frequency electric energy signal into high-frequency mechanical vibration energy to be transmitted to the surface of the plastic cover body 2, so that the cover edge 20 and the embedded part 23 of the plastic cover body 2 are respectively welded with the tank edge 10 and the inner wall of the plastic can body 1 through ultrasonic waves, the first drainage part 22 of the plastic cover body 2 is welded with the embedded part of the connecting ring 41, the gasket 42 is welded between the embedded part 23 of the plastic cover body 2 and the collar part 12 on the plastic can body 1, in order to realize the welding operation of the plastic pop can, further, two supporting frames 61 are arranged at the upper part of the frame 51, a first blanking cylinder 621 and a second blanking cylinder 622 are respectively arranged on the two supporting frames 61, the second blanking cylinder 622 is positioned between the first blanking cylinder 621 and the ultrasonic welding machine 52, the first blanking cylinder 621 is used for loading the connecting ring 41 and the gasket 42 on the connecting ring 41, when the electric turntable 53 drives the plastic can body 1 to rotate to the position right below the first blanking cylinder 621 through the supporting cylinder 54, the connecting ring 41 and the gasket 42 thereon are enabled to be fed into the plastic can body 1 through the first blanking cylinder 621, the second blanking cylinder 622 is used for loading the plastic cover body 2, and when the electric turntable 53 drives the plastic can body 1 provided with the connecting ring 41 to rotate to the position right below the second blanking cylinder 622 through the supporting cylinder 54, the plastic cover body 2 is enabled to be fed to the plastic can body 1 through the second blanking cylinder 622, the lower ends of the first blanking cylinder 621 and the second blanking cylinder 622 are respectively provided with a blanking component, a feeding component is arranged between the first blanking cylinder 621 and the second blanking cylinder 622, the feeding component is used for feeding the connecting ring 41 and the plastic cover body 2 into the first blanking cylinder 621 and the second blanking cylinder 622 respectively, the blanking component is used for blanking the connecting ring 41 and the plastic cover body 2 in the first blanking cylinder 621 and the second blanking cylinder 622 into the plastic tank body 1, a first guide cylinder 631 for penetrating through the inner hole of the connecting ring 41 and a second guide cylinder 632 for penetrating through the upper cover opening 21 of the plastic cover body 2 are respectively arranged between the first blanking cylinder 621 and the second blanking cylinder 622, the first guide cylinder 631 and the second guide cylinder 632 are rotationally symmetrical with the electric turntable 53 as the center, therefore, after the blanking of the connecting ring 41 is completed, the electric turntable 53 drives the plastic tank body 1 provided with the connecting ring 41 to rotate to the position right below the second blanking cylinder 622 through the supporting cylinder 54, the inner hole of the connecting ring 41 corresponds to the second guide cylinder 632, and the subsequent plastic cover body 22 is contacted with the first guide cylinder 22 under the action of the second guide cylinder 632, and the subsequent plastic cover body 21 is contacted with the first guide cylinder 21 conveniently; it is emphasized that the welding device can overcome the problem of insufficient precision in the existing vertical blanking system, especially when processing components needing accurate alignment, such as a disc with a specific hole site, automatic alignment of the hole site is difficult to realize in the continuous blanking process, so that the subsequent assembly efficiency is low, the error rate is increased, and even the work efficiency is reduced due to the need of manual alignment.
As shown in fig. 11-13, the feeding assembly comprises a supporting plate 64, a supporting plate 64 is connected between a first discharging cylinder 621 and a second discharging cylinder 622, a double-shaft motor 65 is installed on the supporting plate 64, upper and lower output shafts of the double-shaft motor 65 are respectively connected with a rotating shaft, the upper end of the upper rotating shaft is connected with a first rotating rod 66, two ends of the first rotating rod 66 are respectively connected with a first arc-shaped limiting rod 67, the two first arc-shaped limiting rods 67 are symmetrically arranged by taking the rotating shaft as a center, one of the first arc-shaped limiting rods 67 slides to penetrate through the upper ends of the first discharging cylinder 621 and the first guiding cylinder 631, the other first arc-shaped limiting rod 67 slides to penetrate through the upper ends of the second discharging cylinder 622 and the second guiding cylinder 632, the first guiding cylinder 631 in the first discharging cylinder 621 and the second guiding cylinder 632 in the second discharging cylinder 622 are supported by the first arc-shaped limiting rod 67, the outer sides of the first discharging cylinder 621 and the second discharging cylinder 622 are respectively connected with a guiding rail 620, the first discharging cylinder 621 and the second discharging cylinder 622 are provided with a first linear limiting rod 68 in a sliding manner through a guide rail 620, the first linear limiting rod 68 on the first discharging cylinder 621 penetrates through the upper ends of the first discharging cylinder 621 and the first guide cylinder 631 in a sliding manner, the first linear limiting rod 68 on the second discharging cylinder 622 penetrates through the upper ends of the second discharging cylinder 622 and the second guide cylinder 632, the first linear limiting rod 68 is matched with an arc limiting rod 67 to limit and support the first guide cylinder 631 in the first discharging cylinder 621 and the second guide cylinder 632 in the second discharging cylinder 622, the phenomenon that the first guide cylinder 631 and the second guide cylinder 632 are in sliding dislocation is avoided, a group of first connecting rods 69 are arranged between the two ends of the first linear limiting rods 68 and the first connecting rods 66 respectively, each group of first connecting rods 69 comprises two first connecting rods 69 hinged on the first linear limiting rods 68 and the first connecting rods 66 respectively, when feeding is needed, firstly, a tool or a person is used for fixing the first guide cylinder 631 and the second guide cylinder 632, then the double-shaft motor 65 is controlled to drive the rotating shaft to drive the first rotating rod 66 to rotate, the first rotating rod 66 drives the first two arc-shaped limiting rods 67 to rotate and gradually separate from the first guide cylinder 631 and the second guide cylinder 632, the first rotating rod 66 also pulls the first linear limiting rods 68 to move outwards through the first connecting rods 69, so that the first two linear limiting rods 68 gradually separate from the first guide cylinder 631 and the second guide cylinder 632, at the moment, the connecting ring 41 can penetrate through the first guide cylinder 631 to finish feeding of the connecting ring 41, the plastic cover body 2 penetrates through the second guide cylinder 632 to finish feeding of the plastic cover body 2, and then the double-shaft motor 65 is controlled to drive the rotating shaft to drive the first rotating rod 66 to reversely rotate, and the first arc-shaped limiting rods 67 and the first linear limiting rods 68 are limited again to support the first guide cylinder 631 and the second guide cylinder 632.
As shown in fig. 11-13, the feeding assembly further comprises a second rotating rod 71, a second rotating rod 71 is connected to the lower rotating shaft, two ends of the second rotating rod 71 are connected to second arc-shaped limiting rods 72, the second arc-shaped limiting rods 72 are rotationally symmetrically arranged around the rotating shaft, one second arc-shaped limiting rod 72 is suitable for sliding through the lower parts of the first discharging cylinder 621 and the first guiding cylinder 631, the second arc-shaped limiting rod 72 is suitable for sliding through the lower parts of the second discharging cylinder 622 and the second guiding cylinder 632, the first arc-shaped limiting rod 67 and the second arc-shaped limiting rod 72 are oppositely arranged, when the first arc-shaped limiting rod 67 is required to rotationally loosen the first guiding cylinder 631 in the first discharging cylinder 621 and the second guiding cylinder 632 in the second discharging cylinder 622, the second double-shaft motor 65 drives the second rotating rod 71 to rotate through the rotating shaft, the second arc-shaped limiting rods 72 are rotationally clamped into the first guiding cylinder 631 and the second guiding cylinder 632 respectively, then the first arc-shaped limiting rod 67 rotates again to loosen the first guide cylinder 631 and the second guide cylinder 632, the first blanking cylinder 621 and the second blanking cylinder 622 are both provided with a second linear limiting rod 73 in a sliding manner through the guide rail 620, the second linear limiting rod 73 on the first blanking cylinder 621 is suitable for penetrating through the lower parts of the first blanking cylinder 621 and the first guide cylinder 631 in a sliding manner, the second linear limiting rod 73 on the second blanking cylinder 622 is suitable for penetrating through the lower parts of the second blanking cylinder 622 and the second guide cylinder 632 in a sliding manner, a group of second connecting rods 74 are arranged between the two linear limiting rods 73 and the two ends of the second rotating rod 71 respectively, each group of second connecting rods 74 comprises two second connecting rods 74 respectively hinged on the second linear limiting rod 73 and the second rotating rod 71, the two second connecting rods 74 of the same group are hinged, when the first linear limiting rod 68 gradually loosens the first guide cylinder 631 and the second guide cylinder 632, the second rotating rod 71 drives the second linear limiting rod 73 to slide into the first guide cylinder 631 and the second guide cylinder 632 along the second guide rail 620, so that the step of fixing the first guide cylinder 631 and the second guide cylinder 632 by a tool or manually is omitted, and the overall feeding step is that when the first upper arc limiting rod 67 and the first linear limiting rod 68 are used for loosening the first guide cylinder 631 and the second guide cylinder 632, and the second lower arc limiting rod 72 and the second linear limiting rod 73 are used for fixing the first guide cylinder 631 and the second guide cylinder 632, the connecting ring 41 is sleeved on the first guide cylinder 631 to feed, the plastic cover 2 is sleeved on the second guide cylinder 632 to feed, the connecting ring 41 and the plastic cover 2 are respectively moved downwards on the first arc limiting rod 72 and the second linear limiting rod 73, and then the first arc limiting rod 72 and the second linear limiting rod 73 are respectively loosened the first guide cylinder 631 and the second guide cylinder 632, and the first arc limiting rod 67 and the first linear limiting rod 68 are respectively fixed on the first guide cylinder 631 and the second guide cylinder 632, so that the connecting ring 41 and the plastic cover 2 are respectively moved downwards to wait for the assembly to wait for the feeding of the connecting ring 41 and the plastic cover 2.
As shown in fig. 14 and 15, the blanking component at the lower end of the blanking cylinder one 621 comprises a second rotating rod 71, the lower end of the blanking cylinder one 621 is slidably provided with a blanking rod 81 and a blocking rod 84 positioned below the blanking rod 81, a spring 85 surrounding the blanking rod 84 is connected between the blocking rod 84 and the blanking cylinder one 621, the spring 85 is used for resetting the sliding blocking rod 84, one end of the blanking rod 81 positioned in the blanking cylinder one 621 is a wedge-shaped end with an inclined surface facing downwards, the blocking rod 84 is blocked below the bottommost connecting ring 41, the blocking rod 84 is moved outwards to enable the bottommost connecting ring 41 to be loosened, the blanking rod 81 is moved inwards to enable the blanking rod 81 to block the bottommost connecting ring 41 and squeeze the bottommost connecting ring 41 through the wedge-shaped end, the blanking rod 81 is connected with the first connecting rod 82, the lower end of the blanking cylinder one 82 is rotatably provided with a gear 83 meshed with the toothed rack one 82, the blocking rod 84 is connected with two wedge-shaped rods 86 meshed with the gear 83, the two toothed racks 86 meshed with the toothed rack 82 are meshed with the toothed rack 84 respectively, the two side of the lower rod 84 is driven by the wedge-shaped rod 84, the wedge-shaped rod 84 is driven by the wedge-shaped rod 84, and the wedge-shaped rod 84 is driven by the wedge-shaped rod 84, the side of the lower rod 84 is driven by the wedge-shaped rod 84, and the wedge-shaped rod 87 is contacted with the wedge-shaped rod 84, and the inner side of the lower rod 84 is driven by the wedge-shaped rod 84, and the wedge-shaped rod 84 is contacted with the wedge-shaped rod 84, and the inner rod 84 is driven by the inner rod 84, and the inner rod 87, and the inner side is contacted with the lower rod and the lower rod 84; the blanking component at the lower end of the blanking cylinder two 622 has the same structure as the blanking component at the lower end of the blanking cylinder one 621, the blanking assembly at the lower end of the second blanking cylinder 622 is suitable for blanking the plastic cover 2 (as shown in fig. 15), and the principle of the blanking assembly at the lower end of the second blanking cylinder 622 is not repeated here, so that those skilled in the art can easily understand and implement the scheme according to the context and the specification and drawings.
It is apparent that the above described embodiments are only some, but not all, embodiments of the present invention, which merely represent preferred embodiments of the present invention, which are described more specifically and in detail, but are not to be construed as limiting the scope of the present invention.
It should be noted that modifications, numbers, improvements and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and therefore, based on the embodiments of the invention, all other embodiments obtained by those skilled in the art without making creative efforts fall within the protection scope of the present invention.