CN102179909A - High-brightness non-melted mark steam injection mold and using method thereof - Google Patents
High-brightness non-melted mark steam injection mold and using method thereof Download PDFInfo
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- CN102179909A CN102179909A CN2011100521965A CN201110052196A CN102179909A CN 102179909 A CN102179909 A CN 102179909A CN 2011100521965 A CN2011100521965 A CN 2011100521965A CN 201110052196 A CN201110052196 A CN 201110052196A CN 102179909 A CN102179909 A CN 102179909A
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- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention discloses a high-brightness non-melted mark steam injection mold and a using method thereof. The high-brightness non-melted mark steam injection mold consists of an upper mold, a lower mold, a pouring system, a cooling water channel and an ejecting mechanism; the upper mold has an inlaying structure and consists of an upper mold inlaying plate, an upper-layer insert and a lower-layer insert, the upper-layer insert and the lower-layer insert are fixed in the upper mold inlaying plate, and the lower-layer insert is provided with a steam channel; the lower mold has an inlaying structure and comprises a lower mold inlaying plate and a lower mold insert, the lower-layer insert of the upper mold and the lower mold insert form a cavity, and the lower mold is internally provided with the cooling water channel; the pouring system is connected with the cavity by the upper mold inlaying plate, the upper-layer insert, the lower-layer insert and the lower mold insert; and the ejecting mechanism consists of an ejector rod, an ejector sleeve and a top plate. In the invention, a heat-insulating plate is arranged for heat insulation so as to deform the upper mold, improve the product quality and prolong the service life of the mold; the inlaying structure is adopted to effectively utilize the materials; and feeding is carried out from the inside of the product so as to have marks on the surface after a sprue is removed, and ensure the outer surface quality of the product.
Description
Technical field
The present invention relates to the steam injection mold, relating in particular to a kind of high light does not have molten trace steam injection mold and using method thereof.
Background technology
High light product is charming because of its quality top grade, gloss, becomes household appliances gradually, especially the outward appearance trend of flat-plate TV set case.Meanwhile, advanced mould molding technology rapid development brings multiple possibility also for the production of high ray machine shell.
General high light product refers to the finished product product that appearance surfaces has uniformity, high glaze.
In earlier stage, because of and fail to eliminate the basic defect (shrink, weld bond, gas line etc.) of mold injection molding, high light product can only be by to the half-finished following process of plastics, as means such as spraying, UV Lacquer finish, modified and form.
The mode of production of existing high light product is divided into following several:
1) minute surface mold forming:
Front mould after front mould is polished with No. 1500 sand paper, with means such as diamond abrasive cream, carries out looking-glass finish standard (Ra0.005um) by adopting the metal material (as: NAK80) of high polishing performance again.By heightening Shooting Technique such as front mould temperature, the product surface that allows injection moulding obtain forms minute surface, has lustrous surface good, uniformity.Its mould structure and ordinary injection die are as good as, and only are the difference of preceding mold materials and polishing degree.
2) electrical heating mould-forming process:
Refer to utilize attemperating unit (by electric heating control) to realize the transient heating on mold cavity surface, at short notice the mold cavity surface is heated to about 300 ℃, fast cooling during cooling obtains almost flawless product.
And the molten trace mould of Gao Guangwu that adapts with the production technology of high light product is also in exploitation energetically, the minute surface mould is very high to the processing request of mould itself, the surface quality of mould has determined the quality of product, has improved processing cost, has also prolonged the mould production time; Electrical heating mould molding mould then need be set up the space of electric heater unit, simultaneously because the defective (the flexible distortion of being heated) of electric heater unit itself, touch die wall for fear of electric heater unit and cause short circuit, the electrical heating hole must be perpendicular with the injection machine plane, so limited the space that electric heater unit is provided with, also increase the size of mould relatively, improved production cost and mold weight.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of high light not have molten trace steam injection mold and using method thereof.
The molten trace steam injection mold of Gao Guangwu comprises upper die and lower die, running gate system, cooling-water duct and ejecting mechanism, and upper die and lower die stack up and down, and running gate system is located at patrix, and cooling-water duct is located at counterdie, and ejecting mechanism is positioned at the counterdie below; Described patrix comprises that patrix panelling, patrix first are inserted, thermal insulation board and patrix second are inserted, and thermal insulation board is fixed in patrix first lower surface of inserting, and patrix first is inserted and patrix second is inserted is fixed in the patrix panelling, and patrix second is provided with steam way in inserting; Described counterdie comprises that counterdie panelling and counterdie insert, and patrix second is inserted and counterdie is inserted formation die cavity is provided with cooling water channel in the counterdie panelling; Running gate system by sprue bush, water that guidance tape, patrix panelling, patrix first are inserted, patrix second is inserted with counterdie and insert and link to each other with die cavity; Ejecting mechanism comprises ejector sleeve, push rod fixed head and push rod supporting plate, and ejector sleeve upper end is passed the counterdie panelling and inserted with counterdie and link to each other with die cavity, and the ejector sleeve lower end is passed the push rod fixed head and is fixed in the push rod supporting plate.
The step of the using method of the molten trace steam injection mold of Gao Guangwu is as follows:
1) mould is fixed in injection machine, the upper die and lower die matched moulds, temperature is that 160 ℃～170 ℃ high-temperature steam passes through the steam way that special metallic conduit inserts mould, and mould is heated to 110 ℃～120 ℃;
2) in mould, inject plastic cement, pressurize by running gate system;
3) when the product in the mould changes cooling over to, inject cold water to cooling water channel, the vapours in the steam way of mould is caught a cold to liquefy and is cold water;
4) in the steam way of mould, be blown into air, the cold water in the steam way is blown out mould;
5) push rod of injection machine ejects the push rod supporting plate in the ejecting mechanism, drives ejector sleeve product is ejected.
The present invention is provided with thermal insulation board between inserting in that patrix is two-layer, in order to avoid the high-temperature steam of lower floor in inserting deforms patrix, improves the quality of products, and prolongs die life; Adopt the inlaid type structure, can more effectively utilize material, improve forming quality, can reduce air holes by the gap exhaust of inserting simultaneously, improve forming quality; Adopt intensive steam way and cooling water channel, realize the Fast Heating and the cooling of mould, eliminate weld mark, current mark, the crazing defective of product surface; From the inner face charging of product,, guarantee the outer surface quality of product in order to avoid leave a trace on the surface when removing cast gate.
Description of drawings
Fig. 1 does not have the structural representation of molten trace steam injection mold for high light;
Fig. 2 is a patrix structural representation of the present invention;
Fig. 3 is a counterdie structural representation of the present invention;
Fig. 4 is the patrix first insert structure schematic diagram of the present invention;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the B-B cutaway view of Fig. 4;
Fig. 7 is the patrix second insert structure schematic diagram of the present invention;
Fig. 8 is the A-A cutaway view of Fig. 7;
Fig. 9 is the B-B cutaway view of Fig. 7;
Figure 10 is the C-C cutaway view of Fig. 7;
Figure 11 is the patrix second insert structure schematic diagram of the present invention;
Figure 12 is the A-A cutaway view of Figure 11;
Figure 13 is the B-B cutaway view of Figure 11;
Figure 14 is the C-C cutaway view of Figure 11;
Figure 15 is the injecting products schematic diagram of structure of the present invention;
Among the figure, cope match-plate pattern 1, water guidance tape 2, patrix panelling 3, patrix jam-packed piece 4, patrix first inserts 5, patrix second inserts 6, steam way 7, alignment pin 8, locating hole 9, counterdie jam-packed piece 10, counterdie inserts 11, counterdie panelling 12, back-up block 13, counterdie sprue puller 14, push rod fixed head 15, push rod supporting plate 16, counterdie fixed head 17, support column 18, jogger hole 19, ejector sleeve guide rod 20, ejector sleeve 21, guide pillar 22, guide pin bushing 23, thermal insulation board 24, sprue puller 25, sprue bush 26, cooling water channel 27, snap close 28, running channel inserts 29, mould running channel 30, dowel hole 31, running gate system 32, patrix first running channel 51, patrix dowel hole 52, patrix second running channel 61, counterdie running channel 111.
The specific embodiment
Shown in Fig. 1～3, the molten trace steam injection mold of Gao Guangwu comprises upper die and lower die, running gate system 32, cooling-water duct and ejecting mechanism, and upper die and lower die stack up and down, and running gate system is located at patrix, cooling-water duct is located at counterdie, and ejecting mechanism is positioned at the counterdie below; Described patrix comprises that patrix panelling 3, patrix first insert 5, thermal insulation board 24 and patrix second insert 6, thermal insulation board 24 is fixed in patrix first 5 lower surfaces of inserting, patrix first insert 5 and patrix second insert and 6 be fixed in the patrix panelling 3, patrix second is inserted and is provided with steam way 7 in 6; Described counterdie comprises that counterdie panelling 12 and counterdie insert 11, patrix second insert 6 and counterdie insert and 11 form die cavities, be provided with cooling water channel 27 in the counterdie panelling 12; Running gate system 32 by sprue bush 26, water that guidance tape 2, patrix panelling 3, patrix first insert 5, patrix second is inserted and 6 insert with counterdie and 11 to link to each other with die cavity; Ejecting mechanism comprises ejector sleeve 21, push rod fixed head 15 and push rod supporting plate 16, ejector sleeve 21 upper ends are passed counterdie panelling 12 and counterdie and are inserted and 11 link to each other with die cavity, ejector sleeve 21 lower ends are passed push rod fixed head 15 and are fixed in push rod supporting plate 16, cope match-plate pattern 1, water guidance tape 2 and patrix panelling 3 fixes, sprue bush 26 is fixed in cope match-plate pattern 1 and waters in the guidance tape 2, patrix first insert 5 and patrix second insert and 6 be fixed in the patrix panelling 3 by patrix jam-packed piece 4, patrix panelling 3 is provided with alignment pin 8 and locating hole 9 with counterdie panelling 12 contact-making surfaces, counterdie is inserted and 11 is fixed in the counterdie panelling 12 by counterdie jam-packed piece 10, running channel is inserted and 29 is arranged in counterdie and inserts 11, eight counterdie sprue pullers 14 and 20 ejector sleeves 21 pass counterdie insert 11 and counterdie panelling 12 be fixed in push rod fixed head 15 and push rod supporting plate 16, counterdie sprue puller 14 is positioned at counterdie running channel 111 belows, ejector sleeve 21 is uniformly distributed in around the product, ejector sleeve guide rod 20 passes ejector sleeve 21, push rod supporting plate 16 and counterdie fixed head 17 are fixed in counterdie fixed head 17, support column 18 passes push rod fixed head 15 and push rod supporting plate 16 is fixed in counterdie fixed head 17, a whole set of mould is provided with eight pairs of guide pillars 22 and guide pin bushing 23 is used for guide-localization, and running gate system 32 is by sprue bush 26, water guidance tape 2, patrix panelling 3, patrix first inserts 5, patrix second is inserted and 6 is inserted with counterdie and 11 to link to each other with die cavity.
As shown in Figure 4, the patrix first of the molten trace steam injection mold of Gao Guangwu is inserted and 5 is provided with polylith thermal insulation board space, and so that thermal insulation board to be installed, the high-temperature steam heat is passed to patrix in 6 to prevent patrix second to insert, and causes the patrix distortion, influences product quality and die life.
As shown in Figure 5, the patrix second of the molten trace steam injection mold of Gao Guangwu is inserted and 6 is provided with a plurality of vapor spaces and steam way 7, and by steam way, insert at patrix second forms eddy current in 6 to high-temperature steam, realizes being rapidly heated of mould from the external world.
As shown in Figure 6, the counterdie of the molten trace steam injection mold of Gao Guangwu is inserted and is fixed with eight running channels in 11 and inserts, make the melt can be from the inner surface charging of product, in order to avoid cast gate is left a trace at outer surface, because running channel contacts with melt for a long time, easily produce crack due to thermal stress,, be convenient to change so make inlaid type.
As shown in Figure 7, the molten trace product of the Gao Guangwu that adopts the present invention to produce, inner charging has guaranteed that product appearance is indefectible.
The step of the using method of the molten trace steam injection mold of Gao Guangwu is as follows:
1) mould is fixed in injection machine, the upper die and lower die matched moulds, temperature is that 160 ℃～170 ℃ high-temperature steam passes through the steam way 7 that special metallic conduit inserts mould, and mould is heated to 110 ℃～120 ℃;
2) in mould, inject plastic cement, pressurize by running gate system 32;
3) when the product in the mould changes cooling over to, inject cold water to cooling water channel 27, the vapours in the steam way 7 of mould is caught a cold to liquefy and is cold water;
4) in the steam way 7 of mould, be blown into air, the cold water in the steam way 7 is blown out mould;
5) push rod of injection machine ejects the push rod supporting plate 16 in the ejecting mechanism, drives ejector sleeve 21 product is ejected.
Claims (2)
1. a high light does not have molten trace steam injection mold, it is characterized in that comprising upper die and lower die, running gate system (32), cooling-water duct and ejecting mechanism, upper die and lower die stack up and down, and running gate system is located at patrix, cooling-water duct is located at counterdie, and ejecting mechanism is positioned at the counterdie below; Described patrix comprises that patrix panelling (3), patrix first are inserted (5), thermal insulation board (24) and patrix second are inserted (6), thermal insulation board (24) is fixed in patrix first (5) lower surface of inserting, patrix first is inserted (5) and patrix second is inserted, and (6) are fixed in the patrix panelling (3), and patrix second is inserted and is provided with steam way (7) in (6); Described counterdie comprises that counterdie panelling (12) and counterdie insert (11), and patrix second is inserted (6) and counterdie is inserted (11) forms die cavity, is provided with cooling water channel (27) in the counterdie panelling (12); Running gate system (32) by sprue bush (26), water that guidance tape (2), patrix panelling (3), patrix first are inserted (5), patrix second is inserted (6) and insert (11) and link to each other with die cavity with counterdie; Ejecting mechanism comprises ejector sleeve (21), push rod fixed head (15) and push rod supporting plate (16), ejector sleeve (21) upper end pass counterdie panelling (12) insert with counterdie (11) link to each other with die cavity, ejector sleeve (21) lower end is passed push rod fixed head (15) and is fixed in push rod supporting plate (16).
2. a high light as claimed in claim 1 does not have the using method of molten trace steam injection mold, it is characterized in that its step is as follows:
1) mould is fixed in injection machine, the upper die and lower die matched moulds, temperature is that 160 ℃～170 ℃ high-temperature steam passes through the steam way (7) that special metallic conduit inserts mould, and mould is heated to 110 ℃～120 ℃;
2) in mould, inject plastic cement, pressurize by running gate system (32);
3) when the product in the mould changes cooling over to, inject cold water to cooling water channel (27), the vapours in the steam way of mould (7) is caught a cold to liquefy and is cold water;
4) in the steam way (7) of mould, be blown into air, the cold water in the steam way (7) is blown out mould;
5) push rod of injection machine ejects the push rod supporting plate (16) in the ejecting mechanism, drives ejector sleeve (21) product is ejected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110052196 CN102179909B (en) | 2011-03-04 | 2011-03-04 | High-brightness non-melted mark steam injection mold and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110052196 CN102179909B (en) | 2011-03-04 | 2011-03-04 | High-brightness non-melted mark steam injection mold and using method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102179909A true CN102179909A (en) | 2011-09-14 |
| CN102179909B CN102179909B (en) | 2013-02-27 |
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| CN 201110052196 Expired - Fee Related CN102179909B (en) | 2011-03-04 | 2011-03-04 | High-brightness non-melted mark steam injection mold and using method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102837381A (en) * | 2012-09-20 | 2012-12-26 | 东泰精密模具(苏州)有限公司 | Die for producing finished product with high smooth finish |
| CN103028662A (en) * | 2011-10-10 | 2013-04-10 | 靖江市永盛光电科技有限公司 | Machining technology of LED (light-emitting diode) backlight stamping die |
| CN103624915A (en) * | 2013-12-09 | 2014-03-12 | 四川长虹模塑科技有限公司 | Manufacturing method of air-conditioning panel |
| CN104477106A (en) * | 2014-11-28 | 2015-04-01 | 奇瑞汽车股份有限公司 | Production method of highlight D post decorative sheet |
| CN104690930A (en) * | 2013-12-10 | 2015-06-10 | 深圳信息职业技术学院 | Steam heating type rapid heat cycle molding injection mold |
| CN104690891A (en) * | 2015-01-28 | 2015-06-10 | 苏州市天星山精密模具有限公司 | Corrosion-resistant pipeline mould |
| CN110480932A (en) * | 2019-09-09 | 2019-11-22 | 刘传伟 | Composite sandwich insulation block particular manufacturing craft is molded after one kind |
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Cited By (10)
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| CN104690930A (en) * | 2013-12-10 | 2015-06-10 | 深圳信息职业技术学院 | Steam heating type rapid heat cycle molding injection mold |
| CN104477106A (en) * | 2014-11-28 | 2015-04-01 | 奇瑞汽车股份有限公司 | Production method of highlight D post decorative sheet |
| CN104690891A (en) * | 2015-01-28 | 2015-06-10 | 苏州市天星山精密模具有限公司 | Corrosion-resistant pipeline mould |
| CN110480932A (en) * | 2019-09-09 | 2019-11-22 | 刘传伟 | Composite sandwich insulation block particular manufacturing craft is molded after one kind |
| CN110480932B (en) * | 2019-09-09 | 2024-03-29 | 刘传伟 | Special die for rear injection molding sandwich composite heat-insulating building block |
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| CN102179909B (en) | 2013-02-27 |
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Granted publication date: 20130227 |