CN114029773B

CN114029773B - Rapid feeding device of crankshaft roller press and using method thereof

Info

Publication number: CN114029773B
Application number: CN202111312652.5A
Authority: CN
Inventors: 刘建华; 杨扬; 钟雪峰; 赖光勇; 周波; 陈岩; 熊恒中
Original assignee: Sichuan Pan Asia Power Technology Co ltd
Current assignee: Sichuan Pan Asia Power Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-07-29
Anticipated expiration: 2041-11-08
Also published as: CN114029773A

Abstract

The invention relates to the technical field of crankshaft machining auxiliary devices, and provides a rapid feeding device of a crankshaft roller press and a using method thereof, wherein the rapid feeding device comprises a feeding device body, the feeding device is provided with at least one group of feeding hooks for taking and placing a crankshaft, and the feeding hooks comprise: the V-shaped forming assembly is arranged at the bottom end of the supporting rod and is realized by a fixing piece and a driven piece; the material grabbing and placing device is convenient and fast to operate, and can complete double functions of grabbing and placing materials only by driving the telescopic rod.

Description

Rapid feeding device of crankshaft roller press and using method thereof

Technical Field

The invention relates to the technical field of crankshaft machining auxiliary devices, in particular to a rapid feeding device of a crankshaft roller press.

Background

The crankshaft is the most important part in the engine, and the detection production process is also very many, such as: crankshaft roller press to the material loading of crankshaft roller press, current generally is the mode of artifical material loading, wastes time and energy, and is unfavorable for the follow-up technology of bent axle, and for this reason, the applicant has proposed a quick loading attachment of crankshaft roller press and has been used for solving the inconvenient problem of current material loading, and the applicant has also made the retrieval of relevant patent simultaneously, retrieves as application number: 201910382460.8, which discloses a quick automatic feeding mechanism of an adjustable crankshaft rolling machine, and is also used to solve the problem of feeding the existing manual crankshaft, but compared with the technical solution of the applicant, the following problems still exist: the crankshaft limiting hoisting hook structure is complex in use steps, meanwhile, due to the existence of the eccentric shaft, the crankshaft has various conditions in the hooking position, and the ejection cylinder of the crankshaft can have a headspace phenomenon, namely, the crankshaft can be ejected at a gap between the eccentric shaft and the central shaft, so that the feeding fails.

Disclosure of Invention

The invention aims to provide a quick feeding device of a crankshaft roller press, which is convenient and fast to operate.

The embodiment of the invention is realized by the following technical scheme: the utility model provides a quick loading attachment of bent axle roller, includes the loading attachment body, and loading attachment is equipped with at least a set of material loading hook that is used for getting to put the bent axle, and the material loading hook includes: the bracing piece of vertical setting with set up the V type shaping subassembly in the bracing piece bottom, V type shaping subassembly includes: the first end of the fixing piece is fixedly connected to the supporting rod, the second end of the fixing piece is a straight plate and forms an alpha angle with the horizontal plane, and alpha is more than 10 degrees and less than 90 degrees; a first gear is fixedly arranged at the end part of the second end; the movable part comprises a sleeve, a driving part and a driven part, wherein the driving part and the driven part are arranged in the sleeve; the driving part comprises a first meshing part, a first connecting part, a first sliding part, a third connecting part and a second gear; the first meshing part is arranged in the sleeve in a sliding mode, straight teeth are arranged on the first meshing part and used for meshing a first gear, the first sliding part is arranged in the sleeve in a sliding mode, the sliding directions of the first sliding part and the first meshing part are the same, and the first meshing part is connected with the first sliding part through a first connecting part; the follower includes: the second gear is arranged in the sleeve, the first gear is arranged in the sleeve, the second gear is arranged in the sleeve in a sliding mode, a fixed straight rack is arranged at one end, away from the first gear, in the sleeve, the setting direction of the fixed straight rack is consistent with that of the first gear, the second gear is arranged in the sleeve in a sliding mode, straight teeth are arranged on the second gear, the straight teeth are arranged opposite to the fixed straight rack, the second sliding part is arranged in the sleeve in a sliding mode, and the second gear is connected with the second sliding part through the second connecting part; the second gear is connected to one end of the first sliding part through a third connecting part and is hinged to the second connecting part, and the second gear is meshed with the fixed spur rack and the second meshing part; the telescopic link, the one end of telescopic link articulates in the bracing piece, and the other end of telescopic link articulates in telescopic outside, and the telescopic link is located the below of mounting and not parallel to the mounting setting.

Furthermore, the end part of the second sliding part is provided with a notch, a blocking part is arranged in the notch, and the blocking part is hinged in the notch through a torsional spring.

Furthermore, the bracing piece is electric telescopic handle, pneumatic telescopic handle or hydraulic telescopic handle.

Further, the loading attachment body includes: the feeding device comprises a feeding frame, wherein universal wheels are arranged below the feeding frame, a supporting column is arranged above the feeding frame, the top end of the supporting column is connected with a crankshaft hoisting beam, a first sliding groove is formed in the crankshaft hoisting beam in a water feeding mode, a first movable electric hoist is arranged in the sliding groove, and the end portion of the first movable electric hoist is connected with a supporting rod; the material rack is used for placing the crankshaft and arranged on the feeding rack; the control box, the control box setting is equipped with power and PLC control assembly on the support column and in the control box, and PLC control assembly is used for controlling the motion of electric hoist, bracing piece and telescopic link, and the outside of control box is equipped with the man-machine exchange subassembly, and the PLC control assembly is connected to the man-machine exchange subassembly.

Furthermore, be equipped with multiunit material loading hook, still be equipped with between first removal electric hoist and the bracing piece and remove perpendicular roof beam, remove perpendicular roof beam and articulate in the end of first removal electric hoist, remove to be equipped with the second spout on the perpendicular roof beam, the inside of second spout is equipped with a plurality of second and removes electric hoist, every second removes the bracing piece that electric hoist connects a material loading hook respectively.

Furthermore, the end of the blocking piece is provided with an image acquisition sensor, the control box is further provided with a single chip microcomputer and a display screen, the image acquisition sensor is in communication connection with the single chip microcomputer, and the single chip microcomputer processes image data and then displays the image data through the display screen.

A use method of a quick feeding device of a crankshaft roller press is suitable for the quick feeding device of the crankshaft roller press and comprises the following steps:

s1: the first movable electric hoist is driven by the control box to move to the upper part of the material rack, and then the supporting rod is started to enable the V-shaped forming assembly to descend to one side of the material rack;

s2: the image of the crankshaft on the material rack is collected through the image collecting sensor and fed back to the display screen, and an operator controls the second electric hoist to move the distance between the adjacent feeding hooks to enable the second electric hoist to meet the width between the crankshafts;

s3: driving a first electric hoist to convey the V-shaped forming assembly to an adjacent eccentric shaft of the crankshaft;

s4: starting the telescopic rod to enable the V-shaped forming assembly to form a V-shaped structure for grabbing the crankshaft, and meanwhile, enabling the blocking piece to extend out, wherein the image acquisition sensor rotates along with the blocking piece and is used for monitoring the crankshaft on the V-shaped forming assembly;

s5: the crankshaft is conveyed to a to-be-processed position by driving the first electric hoist and the supporting rod;

S6: starting the telescopic rod to restore the V-shaped forming assembly, and blanking the crankshaft to a position to be processed due to dead weight; the process is repeated.

The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects: its simple operation only needs through the drive telescopic link, just can accomplish the dual function of snatching and putting down the material.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a crankshaft roller rapid feeding device according to the present invention in a first state;

FIG. 2 is a schematic diagram of a fast loading device of a crankshaft roller press according to the present invention in a second state;

FIG. 3 is a schematic structural diagram of a rapid feeding device of a crankshaft roller press provided by the invention;

icon: 1-V-shaped forming component, 2-supporting rod, 3-second movable electric hoist, 4-movable vertical beam, 5-first movable electric hoist, 6-first chute, 7-crankshaft hoisting beam, 8-supporting column, 9-control box, 10-feeding frame, 11-material frame, 100-fixing piece, 101-first gear, 102-sleeve, 103-first meshing part, 104-first connecting part, 105-first sliding part, 106-third connecting part, 107-second gear, 108-second meshing part, 109-second connecting part, 110-second sliding part, 111-fixed spur rack, 112-blocking piece, 113-torsion spring, 114-image acquisition sensor and 1000-crankshaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the terms are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Examples

As shown in fig. 1 to 3, a fast feeding device for a crankshaft roller press includes a feeding device body, the feeding device is provided with at least one set of feeding hooks for picking and placing a crankshaft 1000, and it should be noted that the plurality of feeding hooks are arranged to hook a gap of an eccentric shaft of the crankshaft 1000 for each feeding hook, so as to ensure stability.

The material loading hook includes: bracing piece 2 of vertical setting and the V type shaping subassembly 1 of setting in 2 bottoms of bracing piece, V type shaping subassembly 1 includes: a stationary member 100, a moveable member, and a telescoping rod. It should be emphasized that the support rod 2 is an electric telescopic rod, a pneumatic telescopic rod or a hydraulic telescopic rod, and is also responsible for adjusting the stroke.

The first end of the fixing piece 100 is fixedly connected to the support rod 2, the second end of the fixing piece 100 is a straight plate and forms an alpha angle with the horizontal plane, the alpha is more than 10 degrees and less than 90 degrees, and a V-shaped left half edge is constructed through the second end of the fixing piece 100; a first gear 101 is fixed at the second end; the movable part comprises a sleeve 102, and a driving part and a driven part which are arranged in the sleeve 102, wherein one end of the sleeve 102 is connected to a rotating shaft of the first gear 101 through a bearing; the driving member includes a first engaging portion 103, a first connecting portion 104, a first sliding portion 105, a third connecting portion 106, and a second gear 107; the first meshing part 103 is arranged inside the sleeve 102 in a sliding mode, straight teeth are arranged on the first meshing part 103 and are used for meshing the first gear 101, the first sliding part 105 is arranged inside the sleeve 102 in a sliding mode, the sliding directions of the first sliding part 105 and the first meshing part 103 are the same, and the first meshing part 103 is connected with the first sliding part 105 through the first connecting part 104; the follower includes: a second meshing part 108, a second connecting part 109 and a second sliding part 110, wherein a fixed spur rack 111 is arranged at one end, far away from the first gear 101, in the sleeve 102, the arrangement direction of the fixed spur rack 111 is consistent with that of the first meshing part 103, the second meshing part 108 is arranged in the sleeve 102 in a sliding manner, a spur tooth is arranged on the second meshing part 108, the spur tooth is arranged opposite to the fixed spur rack 111, the second sliding part 110 is arranged in the sleeve 102 in a sliding manner, and the second meshing part 108 is connected with the second sliding part 110 through the second connecting part 109; the second gear 107 is connected to one end of the first sliding part 105 through the third connecting part 106, the second gear 107 is hinged to the second connecting part 109, and the second gear 107 is meshed with the fixed spur rack 111 and the second meshing part 108; one end of the telescopic rod 200 is hinged to the support rod 2, the other end of the telescopic rod is hinged to the outer side of the sleeve 102, and the telescopic rod is located below the fixing piece 100 and is not parallel to the fixing piece 100.

The working process of the V-shaped forming assembly 1 is as follows: as shown in fig. 1, the initial state is that the telescopic rod is driven, the telescopic rod is extended, and because an included angle is formed between the telescopic rod and the moving part, one component force of the telescopic rod drives the moving part to rotate and simultaneously the telescopic rod swings; in the process, the first gear 101 is fixedly arranged, the first meshing portion 103 in the driving element is meshed with the first gear 101, the entire moving element swings, at this time, the driving element pushes the first sliding portion 105 to the outside of the sleeve 102 due to the meshing of the teeth, as shown in fig. 2, and at the same time, the second gear 107 is connected to the first sliding portion 105 and translates relative to the sleeve 102 along with the first sliding portion 105, at this time, the second gear 107 rotates relative to the fixed spur rack 111 due to the fixed arrangement of the fixed spur rack 111, as shown in fig. 2, rotates counterclockwise, and rotates, so that the driven element is pushed out from the sleeve 102 through the meshing action of the spur racks, and meanwhile, the entire moving element realizes the right half side of the V shape; the whole V is combined with the fixed part 100, the crankshaft 1000 is grabbed by utilizing the built V shape to match with the dead weight of the crankshaft 1000, and when the crankshaft moves reversely, the crankshaft returns to the state shown in figure 1, so that the purpose of unloading is fulfilled; the purpose of the extended follower includes, but is not limited to, lengthening the sides of the V-shape to ensure sufficient bearing surface to prevent the crankshaft 1000 from falling; it should be emphasized that in the present embodiment, the feeding hook may be disposed on any feeding device body, which is not limited to this, for example, the feeding hook may be disposed on the following application number: 201910382460.8 to solve the problem of multiple steps.

Further, a notch is formed in the end of the second sliding part 110, a blocking part 112 is arranged in the notch, and the blocking part 112 is hinged to the inside of the notch through a torsion spring 113; as shown in fig. 2, due to the existence of the torsion spring 113, after the driven member extends out of the sleeve 102, the blocking member 112 swings out of the notch, and a blocking plate forming an included angle of 90 degrees with the sleeve 102 is formed to block the crankshaft 1000, so as to prevent the crankshaft from falling off, and ensure stability; on the contrary, when the driven member is retracted, the blocking member 112 is retained by the sleeve 102 and is retracted into the notch again, so as to facilitate blanking.

Further, in this embodiment, the loading attachment body includes: a feeding frame 10, a material frame 11 and a control box 9.

A universal wheel is arranged below the feeding frame 10, a supporting column 8 is arranged above the feeding frame 10, the top end of the supporting column 8 is connected with a crankshaft 1000 lifting beam 7, a first sliding groove 6 is arranged on the crankshaft 1000 lifting beam 7, a first movable electric hoist 5 is arranged in the sliding groove, and the end part of the first movable electric hoist 5 is connected with a supporting rod 2; satisfy the stroke regulation of material loading hook through first removal electric hoist 5 and bracing piece 2, need emphasize that first removal electric hoist 5 is responsible for with bracing piece 2 realize the motion of horizontal direction in the spout can, if adopt the electric block that the model is DF-S.

The material rack 11 is used for placing the crankshaft 1000, and the material rack 11 is arranged on the feeding rack 10; the control box 9 is arranged on the support column 8, a power supply and a PLC control assembly are arranged in the control box 9, the PLC control assembly is used for controlling the movement of the electric hoist, the support rod 2 and the telescopic rod, a man-machine exchange assembly is arranged on the outer side of the control box 9, and the man-machine exchange assembly is connected with the PLC control assembly; remote operation of the whole equipment is satisfied by manually controlling the control box 9; it should be emphasized that this is a possibility of the loading device body, and some existing PLC control methods or the movement of a simple hoisting device may also be added to this embodiment, or in this embodiment, some mechanisms that are not described in detail are all adopted by the existing technical solutions, and have no influence on the main invention point of this application.

Furthermore, in the feeding device body, a plurality of groups of feeding hooks are further arranged, a moving vertical beam 4 is further arranged between the moving electric hoist and the support rod 2, the moving vertical beam 4 is hinged to the tail end of the first moving electric hoist 5, a second sliding groove is formed in the moving vertical beam 4, a plurality of second moving electric hoists 3 are arranged in the second sliding groove, and each second moving electric hoist 3 is connected with the support rod 2 of one feeding hook; the working process is that the first movable electric hoist 5 realizes linear displacement in one horizontal direction, and the second movable electric hoist 3 realizes linear displacement in the second horizontal direction, so that the requirement of arbitrary movement in one plane is met, and the arbitrary movement is determined relative to the fixedly arranged material rack 11; further, the displacement of the vertical direction of the support rod 2 is matched again, the random movement of the plurality of feeding hooks in the three-dimensional space range is realized, and in this way, the eccentric shaft of the crankshaft 1000 can be controlled to be hooked by the plurality of feeding hooks, so that the purpose of accurate clamping is realized.

Furthermore, in order to facilitate the operator to remotely observe whether the feeding hook is in place, in some embodiments, the end of the blocking member 112 is provided with an image capturing sensor 114, and this image capturing sensor 114 may be a general image capturing camera, such as: the image sensor of the kirschner, the control box 9 are also provided with a singlechip and a display screen, the image acquisition sensor 114 is in communication connection with the singlechip, the singlechip processes image data and then displays the image data through the display screen, and the acquisition sensor transmits the data in real time; it should be emphasized that in the present embodiment, the position of the image capturing sensor 114 and its importance are set at the end of the blocking member 112, and the purpose is that, as shown in fig. 1, when the blocking member 112 is inside the sleeve 102, it faces the lower right, and the feeding hook is moved from the upper left to the lower right, at this time, it can be well determined whether the feeding hook is moved to the right by the collector; as shown in fig. 2, when the crankshaft 1000 is grabbed, the blocking member 112 swings, and at this time, the image collector is arranged toward the upper right, so that the crankshaft 1000 can be well monitored in real time, and therefore, the crankshaft 1000 is ensured to be in a monitoring state in the whole feeding process, and the production controllability is improved.

The use method of the rapid feeding device of the crankshaft roller press comprises the following steps:

s1: the first movable electric hoist 5 is driven to move to the upper part of the material rack 11 through the control box 9, and then the supporting rod 2 is started to enable the V-shaped forming assembly 1 to descend to one side of the material rack 11;

s2: the image of the crankshaft 1000 on the material rack 11 is collected through the image collecting sensor 114 and fed back to the display screen, and an operator controls the second electric hoist to move the distance between the adjacent feeding hooks to enable the second electric hoist to meet the width between the crankshafts 1000;

s3: driving a first electric hoist to convey the V-shaped forming assembly 1 to an adjacent eccentric shaft of the crankshaft 1000;

s4: starting the telescopic rod to enable the V-shaped forming assembly 1 to form a V-shaped structure for grabbing the crankshaft 1000, and meanwhile, the blocking piece 112 extends out, and the image acquisition sensor 114 rotates along with the blocking piece 112 to monitor the crankshaft 1000 on the V-shaped forming assembly 1;

s5: the crankshaft 1000 is conveyed to a position to be processed by driving the first electric hoist and the supporting rod 2;

s6: starting the telescopic rod to restore the V-shaped forming assembly 1, and blanking the crankshaft 1000 to a position to be processed due to dead weight; the process is repeated.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a quick loading attachment of bent axle roller, includes the loading attachment body, its characterized in that: the loading attachment is equipped with at least a set of material loading hook that is used for getting and putting bent axle (1000), the material loading hook includes: bracing piece (2) of vertical setting and V type shaping subassembly (1) of setting in bracing piece (2) bottom, V type shaping subassembly (1) includes:

the first end of the fixing piece (100) is fixedly connected to the supporting rod (2), the second end of the fixing piece (100) is a straight plate and forms an alpha angle with the horizontal plane, and alpha is more than 10 degrees and less than 90 degrees; a first gear (101) is fixedly arranged at the end part of the second end;

the movable part comprises a sleeve (102), and a driving part and a driven part which are arranged in the sleeve (102), and one end of the sleeve (102) is connected to the rotating shaft of the first gear (101) through a bearing; the driving piece comprises a first meshing part (103), a first connecting part (104), a first sliding part (105), a third connecting part (106) and a second gear (107); the first meshing part (103) is arranged in the sleeve (102) in a sliding mode, straight teeth are arranged on the first meshing part (103) and used for meshing with the first gear (101), the first sliding part (105) is arranged in the sleeve (102) in a sliding mode, the sliding directions of the first sliding part (105) and the first meshing part (103) are the same, and the first meshing part (103) is connected with the first sliding part (105) through a first connecting part (104); the follower includes: a second meshing portion (108), a second connecting portion (109) and a second sliding portion (110), wherein a fixed spur rack (111) is arranged at one end, far away from the first gear (101), in the sleeve (102), the setting direction of the fixed spur rack (111) is consistent with that of the first meshing portion (103), the second meshing portion (108) is arranged in the sleeve (102) in a sliding manner, straight teeth are arranged on the second meshing portion (108), the straight teeth are arranged opposite to the fixed spur rack (111), the second sliding portion (110) is arranged in the sleeve (102) in a sliding manner, and the second meshing portion (108) is connected with the second sliding portion (110) through the second connecting portion (109); the second gear (107) is connected to one end of the first sliding part (105) through a third connecting part (106), the second gear (107) is hinged to the second connecting part (109) and the second gear (107) is meshed with the fixed spur rack (111) and a second meshing part (108);

One end of the telescopic rod (200) is hinged to the supporting rod (2), the other end of the telescopic rod is hinged to the outer side of the sleeve (102), and the telescopic rod is located below the fixing piece (100) and is not parallel to the fixing piece (100).

2. The crankshaft roller press quick feeding device according to claim 1, characterized in that the end of the second sliding part (110) is provided with a notch, a blocking part (112) is arranged inside the notch, and the blocking part (112) is hinged inside the notch through a torsion spring (113).

3. The crankshaft roller press fast loading device according to claim 2, characterized in that the support bar (2) is an electric telescopic bar, a pneumatic telescopic bar or a hydraulic telescopic bar.

4. A crankshaft roller press fast feeder according to claim 3, wherein said feeder body comprises:

the feeding device comprises a feeding frame (10), universal wheels are arranged below the feeding frame (10), a supporting column (8) is arranged above the feeding frame (10), the top end of the supporting column (8) is connected with a crankshaft (1000) lifting beam (7), a first sliding groove (6) is arranged on the crankshaft (1000) lifting beam (7) in a water feeding mode, a first movable electric hoist (5) is arranged in the sliding groove, and the end portion of the first movable electric hoist (5) is connected with a supporting rod (2);

The material rack (11) is used for placing the crankshaft (1000), and the material rack (11) is arranged on the feeding rack (10);

control box (9), control box (9) set up on support column (8) just be equipped with power and PLC control assembly in control box (9), PLC control assembly is used for controlling the motion of electric hoist, bracing piece (2) and telescopic link, the outside of control box (9) is equipped with man-machine switching subassembly, man-machine switching subassembly is connected PLC control assembly.

5. A rapid loading device of a crankshaft roller press according to claim 4, characterized in that a plurality of groups of loading hooks are provided, a moving vertical beam (4) is further provided between the first moving electric block (5) and the supporting rod (2), the moving vertical beam (4) is hinged to the end of the first moving electric block (5), a second sliding groove is provided on the moving vertical beam (4), a plurality of second moving electric blocks (3) are provided inside the second sliding groove, and each second moving electric block (3) is connected with the supporting rod (2) of one loading hook.

6. The rapid feeding device of the crankshaft roller press according to claim 5, characterized in that an image acquisition sensor (114) is arranged at the end of the blocking piece (112), the control box (9) is further provided with a single chip microcomputer and a display screen, the image acquisition sensor (114) is in communication connection with the single chip microcomputer, and the single chip microcomputer processes image data and displays the processed image data through the display screen.

7. The use method of the quick feeding device of the crankshaft roller press is suitable for the quick feeding device of the crankshaft roller press according to claim 6, and is characterized by comprising the following steps:

s1: the first movable electric hoist (5) is driven to move to the upper part of the material rack (11) through the control box (9), and then the supporting rod (2) is started, so that the V-shaped forming assembly (1) descends to one side of the material rack (11);

s2: the image of the crankshaft (1000) on the material rack (11) is collected through the image collecting sensor (114) and fed back to the display screen, and an operator controls the second electric hoist to move the distance between the adjacent feeding hooks to enable the second electric hoist to be in accordance with the width between the crankshafts (1000);

s3: driving a first electric hoist to send the V-shaped forming assembly (1) to an adjacent eccentric shaft of the crankshaft (1000);

s4: starting the telescopic rod to enable the V-shaped forming assembly (1) to form a V-shaped structure for grabbing the crankshaft (1000), meanwhile, the blocking piece (112) extends out, and the image acquisition sensor (114) rotates along with the blocking piece (112) and is used for monitoring the crankshaft (1000) on the V-shaped forming assembly (1);

s5: the crankshaft (1000) is conveyed to a position to be processed by driving the first electric hoist and the supporting rod (2);

s6: starting the telescopic rod to restore the V-shaped forming assembly (1), and blanking the crankshaft (1000) to a position to be processed due to dead weight; the process is repeated.