CN102179903A - Hot-runner-technology-based three-plate injection mold - Google Patents
Hot-runner-technology-based three-plate injection mold Download PDFInfo
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- CN102179903A CN102179903A CN2011100677418A CN201110067741A CN102179903A CN 102179903 A CN102179903 A CN 102179903A CN 2011100677418 A CN2011100677418 A CN 2011100677418A CN 201110067741 A CN201110067741 A CN 201110067741A CN 102179903 A CN102179903 A CN 102179903A
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- cover half
- plate
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- runner
- fixed mold
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Abstract
The invention discloses a hot-runner-technology-based three-plate injection mold. A hot runner plate is arranged between a fixed mold fixing plate and a fixed mold stripping plate; a pulling needle and a hot nozzle are fixed on the hot runner plate; the mold is provided with a hot nozzle wiring device; the hot nozzle is connected with a power supply through the hot nozzle wiring device; a fixed mold stripping plate insert is arranged in the middle of the fixed mold stripping plate; a sub-runner is formed between the insert and a fixed mold core and is connected with a fixed mold core side cooling vertical runner on the fixed mold core; the upper end of the fixed mold core side cooling vertical runner is connected with the pulling needle, and the lower end of the fixed mold core side cooling vertical runner is directly connected with a product; the fixed mold stripping plate is provided with a spring; the telescopic end of the spring is connected with a fixed mold plate; the fixed mold plate is provided with a small limit pull rod; and the spring and the small limit pull rod are positioned in the same axis. The mold can well improve the liquidity of plastic, effectively ensures the appearance and performance of the product, and solves the problem that the hot nozzle cannot be directly dotted on the product for molding and only the traditional three-plate mold can be used for molding because the mold has too small space simultaneously.
Description
Technical field
The present invention relates to a kind of mould, relate to a kind of three plate injection molds specifically based on the hot flow path technology.
Background technology
Along with entering WTO, China shows with the maximum processing big country in the whole world.Die industry is advanced by leaps and bounds especially.Under such overall situation, a lot of companies constantly release new peak for the intellectual property of protecting them in the design of product, copy its structure and profile to avoid other company, have strengthened the difficulty of Mould Machining and production thus to a great extent.Hot flow path improvement system belongs to a kind of novel injection molding technology that the utilization new technology is transformed conventional art.We often can see in actual machine-shaping process the reason of a lot of products because of product self, and not enough or type shape has to conflict with hot mouth size and causes hot mouth directly not get ready on product as the position.
In order to improve the problems referred to above, traditional settling mode is will advance the glue point again by the conversion of Re Zui position to change side into and advance glue, diving and advance glue or ox horn and advance mode such as glue and design mould.But these a little modes have in the time of much may moulding occurring when mould molding is produced and can not produce automatically, advance the glue point and eject to have some setbacks or advance a little by changing back pressure drop loss product and can't become factor such as normal filling to produce.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the purpose of this invention is to provide a kind of three plate injection molds based on the hot flow path technology, this mould can improve the flowability of plastics well, effectively guaranteed product appearance and performance, solved simultaneously and heat can't have been chewed because of die space is too little that direct moulding can only be with the difficult problem of traditional three board mold moulding on product.
For solving the problems of the technologies described above, the technical scheme that the present invention uses is:
A kind of three plate injection molds based on the hot flow path technology, comprise the cover half fixed head, the cover half stripper plate, solid plate, moving platen, dynamic model mould pin, top board and dynamic mould fixing plate, wherein, solid plate is provided with cover half benevolence, moving platen is provided with mavable module core, the corresponding mutually die cavity that forms of core on the mavable module core of cover half Renhe, between cover half fixed head and cover half stripper plate, be provided with hot runner manifold, fixedly draw material pin and Re Zui on it, also be provided with hot mouth termination simultaneously, hot mouth is connected with power supply by hot mouth termination, be provided with the cover half stripper plate in the middle of the cover half stripper plate and insert, described insert and cover half benevolence between form runner, runner connects the cold perpendicular runner of cover half benevolence side on the cover half benevolence, the cold perpendicular runner of cover half benevolence side upper end links to each other with drawing the material pin, the lower end directly links to each other with product, and the cover half stripper plate is provided with spring, and the flexible end of spring links to each other with solid plate, solid plate is provided with spacing lower link bar, and spring and spacing lower link bar are on same axis.
Described a kind of three plate injection molds based on the hot flow path technology, described cover half fixed head upper surface is provided with thermal insulation board.
Described a kind of three plate injection molds based on the hot flow path technology, described hot mouth is one or many.
Described a kind of three plate injection molds based on the hot flow path technology, outspoken the connecing of described heat puts in the cover half benevolence back side.
Described a kind of three plate injection molds based on the hot flow path technology, described hot runner manifold is provided with hot runner flow distribution plate.
The present invention is a kind of technology of improving at TOP-TIP, this technology has been improved traditional three template dies, in three traditional templates, the somatotype place is between solid plate plate and the stripper plate for the first time, this invention is revised as between solid plate and the cover half benevolence, and increase by one or many hot mouths, and directly put in the cover half benevolence back side, again by very short directly moulding on product of one section cold perpendicular runner of cover half benevolence side on the cover half benevolence, thereby save the perpendicular runner of sprue and solid plate part, the runner of runner part is reduced and shortens the length of runner.And solved because of die space is too little can't moulding can only be with the difficult problem of traditional three board mold moulding on product with the outspoken contact of heat.
Beneficial effect of the present invention is: solved three template dies because of runner is long, temperature is easily lost, plastics easily are cooled to and make goods be difficult to fill full problem by brand-new TOP-TIP layout, significantly improved the product shrink, distortion, cold burden, short problem such as penetrate have effectively guaranteed product appearance and performance.And flowability simple in structure, as can to improve plastics well makes product molding reach automatic production easily, improves production capacity and saves raw material, and it is residual to avoid the back fabrication process to enter a mouth of a river.
Description of drawings
Fig. 1 is a kind of structural representation of three plate injection molds based on the hot flow path technology.
Main Reference numeral implication is among the figure:
1, thermal insulation board 2, cover half fixed head 3, hot runner manifold 4, hot runner flow distribution plate
5, cover half stripper plate 6, cover half stripper plate insert 7, solid plate 8, cover half benevolence
9, mavable module core 10, moving platen 11, dynamic model mould pin 12, top board
13, dynamic mould fixing plate 14, the cold perpendicular runner 15 of cover half benevolence side, Re Zui
16, draw material pin 17, spring 18, spacing lower link bar.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail:
Fig. 1 is a kind of structural representation of three plate injection molds based on the hot flow path technology.
As shown in Figure 1: a kind of three plate injection molds based on the hot flow path technology, comprise cover half fixed head 2, cover half stripper plate 5, solid plate 7, moving platen 10, dynamic model mould pin 11, top board 12 and dynamic mould fixing plate 13, wherein, solid plate 7 is provided with cover half benevolence 8, moving platen 10 is provided with mavable module core 9, the corresponding mutually die cavity that forms of core on cover half benevolence 8 and the mavable module core 9, between cover half fixed head 2 and cover half stripper plate 5, be provided with hot runner manifold 3, fixedly draw material pin 16 and hot mouth 15 on it, also be provided with hot mouth termination simultaneously, hot mouth 15 is connected with power supply by hot mouth termination, be provided with the cover half stripper plate in the middle of the cover half stripper plate 5 and insert 6, described cover half stripper plate insert 6 and cover half benevolence 8 between form runner, runner connects the cold perpendicular runner 14 of cover half benevolence side on the cover half benevolence 8, the cold perpendicular runner of cover half benevolence side 14 upper ends link to each other with drawing material pin 16, the lower end directly links to each other with product, cover half stripper plate 5 is provided with spring 17, the flexible end of spring 17 links to each other with solid plate 7, solid plate 7 is provided with spacing lower link bar 18, and spring 17 and spacing lower link bar 18 are on same axis.
In addition, in order to prevent cover half side mold temperature leak, be provided with thermal insulation board 1 at cover half fixed head 2 upper surfaces, the hot mouth that is arranged on the hot runner manifold 3 can be one or many, and directly put in cover half benevolence 8 back sides, and again by cover half, very short directly moulding on product of one section cold perpendicular runner 14 of cover half benevolence side on 8, when hot mouth is two or two when above, hot runner manifold is provided with hot runner flow distribution plate 4.
Its operation principle is as follows:
In the process of injection moulding, by the make-up machine stage nozzle, to be injected in the hot runner flow distribution plate 4 by the plastic material of high-temperature digestion, by hot runner flow distribution plate 4 raw material is diverted in the middle of the hot mouth 15, raw material can be heated to increase its flowability through overheated mouth 15 time once more. and the raw material after the heating flows into insert runners in the middle of 6 of cover half benevolence 8 and cover half stripper plate, thereby enters the purpose that product reaches the filling product by the cold perpendicular runner 14 of cover half benevolence side again.
After injection moulding is finished, in the process of die sinking, by spring 17 the first die joint PL1 is flicked earlier, by being installed in drawing material pin 16 that the cold perpendicular runner 14 of cover half benevolence side is separated with product and pull out cover half benevolence 8 on the hot runner manifold, the second die joint PL2 opens under the effect of spacing lower link bar 18 subsequently, under cover half stripper plate 5 and cover half stripper plate are inserted 6 effect, the runner of cooling is released from drawing material pin 16, next once more under the effect of lower link bar 18 PL3 open, product ejects mavable module core 9 by top board 12 at last and finishes an injection moulding program.
In the present embodiment, the caster part that replaces sprue and perpendicular runner by hot mouth 15, alleviated the weight of runner, and reduced the runner of runner part, saved material cost, at runner front end heating of plastic, increased the flowability of plastics by hot mouth 15, make its rapid directive die cavity, make injection moulding effective.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (5)
1. three plate injection molds based on the hot flow path technology, comprise cover half fixed head (2), cover half stripper plate (5), solid plate (7), moving platen (10), dynamic model mould pin (11), top board (12) and dynamic mould fixing plate (13), wherein, solid plate (7) is provided with cover half benevolence (8), moving platen (10) is provided with mavable module core (9), the corresponding mutually die cavity that forms of core on cover half benevolence (8) and the mavable module core (9), it is characterized in that, between cover half fixed head (2) and cover half stripper plate (5), be provided with hot runner manifold (3), fixedly draw material pin (16) He Rezui (15) on it, also be provided with hot mouth termination simultaneously, hot mouth (15) is connected with power supply by hot mouth termination, be provided with cover half stripper plate insert (6) in the middle of the cover half stripper plate, described cover half stripper plate insert (6) and cover half benevolence (8) between form runner, runner connects the cold perpendicular runner of cover half benevolence side (14) on the cover half benevolence (8), the cold perpendicular runner of cover half benevolence side (14) upper end links to each other with drawing the material pin, the lower end directly links to each other with product, cover half stripper plate (5) is provided with spring (17), the flexible end of spring (17) links to each other with solid plate (7), also be provided with spacing lower link bar (18) on the solid plate (7), spring (17) and spacing lower link bar (18) are on same axis.
2. a kind of three plate injection molds based on the hot flow path technology according to claim 1 is characterized in that described cover half fixed head (2) upper surface is provided with thermal insulation board (1).
3. a kind of three plate injection molds based on the hot flow path technology according to claim 1 is characterized in that described hot mouth (15) is one or many.
4. a kind of three plate injection molds based on the hot flow path technology according to claim 1 is characterized in that described hot mouth (15) directly puts in cover half benevolence (8) back side.
5. a kind of three plate injection molds based on the hot flow path technology according to claim 1 is characterized in that described hot runner manifold (3) is provided with hot runner flow distribution plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100677418A CN102179903A (en) | 2011-03-21 | 2011-03-21 | Hot-runner-technology-based three-plate injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100677418A CN102179903A (en) | 2011-03-21 | 2011-03-21 | Hot-runner-technology-based three-plate injection mold |
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| CN102179903A true CN102179903A (en) | 2011-09-14 |
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| CN2011100677418A Pending CN102179903A (en) | 2011-03-21 | 2011-03-21 | Hot-runner-technology-based three-plate injection mold |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357991A (en) * | 2011-09-28 | 2012-02-22 | 凡嘉科技（无锡）有限公司 | Mold structure shortening length of runner |
| CN105881832A (en) * | 2014-12-26 | 2016-08-24 | 宁波考比锐特汽车科技有限公司 | Injection mold used for manufacturing clamping hoops |
| CN105984083A (en) * | 2015-01-29 | 2016-10-05 | 汉达精密电子(昆山)有限公司 | Glue inlet die structure with hot runner |
| CN106142472A (en) * | 2016-08-04 | 2016-11-23 | 安徽润康橡塑科技有限公司 | A kind of replaceable injection molding for manufacturing stabilizer bar bushing |
| CN109228176A (en) * | 2018-10-31 | 2019-01-18 | 晋江嘉豪模具有限公司 | A kind of degradable PLA injection mold |
| CN109435169A (en) * | 2018-12-28 | 2019-03-08 | 大连銮艺精密模塑制造有限公司 | Gear die equipped with multijaw cast gate |
| CN114851483A (en) * | 2022-07-06 | 2022-08-05 | 苏州赛普生物科技有限公司 | Injection molding liquid-transferring head production mold |
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| CN2897619Y (en) * | 2006-02-27 | 2007-05-09 | 林作钱 | Centering jacket mould of disposable injection syringe |
| CN2925840Y (en) * | 2006-06-30 | 2007-07-25 | 佛山市顺德区汉达精密电子科技有限公司 | Mold structure |
| CN101774257A (en) * | 2009-12-28 | 2010-07-14 | 凯达电子(昆山)有限公司 | Three-plate mold injection mold |
| CN202079728U (en) * | 2011-03-21 | 2011-12-21 | 凯达电子(昆山)有限公司 | Three-plate injection mould based on hot runner technique |
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2011
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Patent Citations (4)
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| CN2897619Y (en) * | 2006-02-27 | 2007-05-09 | 林作钱 | Centering jacket mould of disposable injection syringe |
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| CN101774257A (en) * | 2009-12-28 | 2010-07-14 | 凯达电子(昆山)有限公司 | Three-plate mold injection mold |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357991A (en) * | 2011-09-28 | 2012-02-22 | 凡嘉科技（无锡）有限公司 | Mold structure shortening length of runner |
| CN105881832A (en) * | 2014-12-26 | 2016-08-24 | 宁波考比锐特汽车科技有限公司 | Injection mold used for manufacturing clamping hoops |
| CN105984083A (en) * | 2015-01-29 | 2016-10-05 | 汉达精密电子(昆山)有限公司 | Glue inlet die structure with hot runner |
| CN106142472A (en) * | 2016-08-04 | 2016-11-23 | 安徽润康橡塑科技有限公司 | A kind of replaceable injection molding for manufacturing stabilizer bar bushing |
| CN109228176A (en) * | 2018-10-31 | 2019-01-18 | 晋江嘉豪模具有限公司 | A kind of degradable PLA injection mold |
| CN109228176B (en) * | 2018-10-31 | 2024-05-28 | 晋江市嘉豪模具股份有限公司 | Degradable PLA injection mold |
| CN109435169A (en) * | 2018-12-28 | 2019-03-08 | 大连銮艺精密模塑制造有限公司 | Gear die equipped with multijaw cast gate |
| CN114851483A (en) * | 2022-07-06 | 2022-08-05 | 苏州赛普生物科技有限公司 | Injection molding liquid-transferring head production mold |
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Application publication date: 20110914 |