CN208197429U - Bicolor injection mould - Google Patents

Bicolor injection mould Download PDF

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Publication number
CN208197429U
CN208197429U CN201820666182.XU CN201820666182U CN208197429U CN 208197429 U CN208197429 U CN 208197429U CN 201820666182 U CN201820666182 U CN 201820666182U CN 208197429 U CN208197429 U CN 208197429U
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China
Prior art keywords
core
mould
cover half
moving
dynamic model
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Application number
CN201820666182.XU
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Chinese (zh)
Inventor
汪继锋
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Shanghai Jinglei Plastic Mould Co Ltd
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Shanghai Jinglei Plastic Mould Co Ltd
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Priority to CN201820666182.XU priority Critical patent/CN208197429U/en
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Abstract

A kind of bicolor injection mould is related to injection molding technical field, and the solution is to improve double-shot moulding operating efficiency.The mold includes die holder, turntable, and two cover half cores being fixed on die holder;Symmetrically fixed there are two the identical moving-mould-core of structure on the turntable, the dynamic model of moving-mould-core is intracavitary equipped with the mold insert that can be slid back and forth, the cover half chamber of the dynamic model chambers of two moving-mould-cores and two cover half cores face one by one;The moving-mould-core is equipped with the dynamic model top pillar that can be slid back and forth, it is fixed with the first ejector retainner plate on dynamic model top pillar, the first thimble is fixed on the first ejector retainner plate, the moving-mould-core is equipped with the second ejector retainner plate that can be slid back and forth, the second thimble is fixed on second ejector retainner plate, the second thimble and mold insert are affixed.Mold provided by the utility model is suitable for double-shot moulding product.

Description

Bicolor injection mould
Technical field
The utility model relates to injection molding technologies, more particularly to a kind of technology of bicolor injection mould.
Background technique
Currently, moulding using increasingly extensive, some mouldings need the injection mold using double-colored formula during fabrication, These injection molds require for secondary feeds reserved space, but due to the limitation of mould structure, can only be in preceding mould portion It is divided into secondary feeds reserved space;If to be secondary feeds reserved space in rear mold part, current structure is difficult to realize.Mesh The injection mold of preceding this kind of requirement produces in this way: after product injection molding of the same colour, the intracavitary finished product of pattern is ejected, and is led to It crosses manually to be placed on another mold finished product and does post forming, so that the operating efficiency of injection molding operation is lower.
Utility model content
For above-mentioned defect existing in the prior art, the technical problem to be solved by the utility model is to provide a kind of energy Improve the bicolor injection mould of double-shot moulding operating efficiency.
In order to solve the above-mentioned technical problem, a kind of bicolor injection mould provided by the utility model, it is characterised in that: packet Die holder, turntable are included, and two be fixed on die holder cover half core, one of cover half core is the first cover half core, another is fixed Mold core is the second cover half core, is formed with a cover half chamber on each cover half core, and be designed with and be used on each cover half core The fixed die ejector that the intracavitary injecting products of cover half are ejected forward;
It is symmetrically fixed there are two the identical moving-mould-core of structure on the turntable, dynamic model chamber, dynamic model are formed on moving-mould-core It is intracavitary equipped with the mold insert that can be slid back and forth, the cover half chamber of the dynamic model chambers of two moving-mould-cores and two cover half cores face one by one;
The moving-mould-core is equipped with the dynamic model top pillar that can slide back and forth, is fixed with the first ejector retainner plate on dynamic model top pillar, and first The first thimble is fixed on ejector retainner plate, dynamic model chamber offers the centre hole entered and left for the first thimble;
The moving-mould-core is equipped with the second ejector retainner plate that can slide back and forth, fixes the second thimble on the second ejector retainner plate, and second Thimble is affixed with mold insert.
Further, the moving-mould-core is equipped with the backing plate that can be horizontally slipped, and the side for driving backing plate to horizontally slip Lubricating oil cylinder, the backing plate and the second ejector retainner plate or so are staggered, and backing plate can slide into the position Chong Die with the second ejector retainner plate or so It sets.
Bicolor injection mould provided by the utility model rotates 180 degree using driven by rotary disc dynamic model and the first color semi-finished product It is molded with the second color cover half, and adjusts the second colour pattern chamber using mold insert, double-shot moulding operating efficiency can be improved.
Detailed description of the invention
Fig. 1 is the left back view stereo structural schematic diagram of the bicolor injection mould of the utility model embodiment;
Fig. 2 is the first cover half core in the bicolor injection mould of the utility model embodiment and the vertical view after moving-mould-core molding Cut away view.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with Detailed description of the invention, but the present embodiment and are not had to In limitation the utility model, all similar structures and its similar variation using the utility model should all be included in the utility model Protection scope, the pause mark in the utility model indicates the relationship of sum.
As Figure 1-Figure 2, a kind of bicolor injection mould provided by the utility model embodiment, it is characterised in that: packet Die holder (not shown), turntable 3 are included, and the two cover half cores 11,12 being fixed on die holder, one of cover half core is first Cover half core 11, another cover half core are the second cover half core 12, are formed with a cover half chamber on each cover half core, and each The fixed die ejector 10 for being ejected forward the intracavitary injecting products of cover half is designed on cover half core;
It is symmetrically fixed there are two the identical moving-mould-core 2 of structure on the turntable 3, it is formed with dynamic model chamber on moving-mould-core 2, is moved It is equipped with the mold insert 9 that can be slid back and forth in die cavity, the cover half chamber of the dynamic model chambers of two moving-mould-cores 2 and two cover half cores 11,12 is one by one Face;
The moving-mould-core 2 is equipped with the dynamic model top pillar 6 that can be slid back and forth, and is fixed with the first ejector retainner plate 71 on dynamic model top pillar 6, The first thimble 81 is fixed on first ejector retainner plate 71, dynamic model chamber offers the centre hole entered and left for the first thimble;
The moving-mould-core 2 is equipped with the second ejector retainner plate 72 that can be slid back and forth, and fixes the second thimble on the second ejector retainner plate 72 82, the second thimble 82 and mold insert 9 are affixed;
The moving-mould-core 2 is equipped with the backing plate 5 that can be horizontally slipped, and the sideslip oil cylinder for driving backing plate 5 to horizontally slip 4, the backing plate 5 is staggered with the second ejector retainner plate 72 or so, and backing plate 5 can slide into the position Chong Die with the second ejector retainner plate 72 or so It sets.
The utility model embodiment is mounted on injection molding machine and uses, and is suitble to double-shot moulding product, and working method is as follows:
In use, die holder to be fixed on to the fixed part of injection molding machine folding modular system, the shaft of turntable is mounted on injection molding machine Open and close the movable part of modular system;
Under original state, backing plate is in the position being staggered with the second ejector retainner plate or so, before the second ejector retainner plate moves forward at this time Stop, mold insert also move forward to preceding dead-centre position therewith, are aligned before and after the second ejector retainner plate and backing plate;If face the first cover half core is dynamic Mold core is the first moving-mould-core, and the moving-mould-core of face the second cover half core is the second moving-mould-core;
Start the injection molding of the first color at this time, dynamic model chamber the first color of composition of the cover half chamber of the first cover half core and the first moving-mould-core at Pattern chamber injects the first color injection molding melt into the first color shaping mold cavity at this time, after the first color injection molding melt is cooled and shaped, note Molding machine opens and closes modular system and drives turntable and moving-mould-core Forward die sinking, so that the first moving-mould-core and the first cover half core disengage, it is fixed simultaneously First color is also molded semi-finished product from the intracavitary ejection of cover half by mould thimble, and then turntable rotates 180 degree, and the first moving-mould-core is with first Color injection molding semi-finished product turn to the position of face the second cover half core, while the second moving-mould-core turns to the position of face the first cover half core It sets;
Then injection molding machine folding modular system drives turntable and moving-mould-core to move back molding, so that the first moving-mould-core and the second cover half Core pairing (while the second moving-mould-core also with the first cover half core pairing), then dynamic model top pillar drives the first ejector retainner plate to move back, thus It drives the first thimble to move back to rear stop, is ejected so that the first color is molded in the driven die cavity of semi-finished product, then the second ejector retainner plate It drives the second thimble to move back, so that mold insert be driven to move back to rear stop, is staggered before and after rear second ejector retainner plate and backing plate at this time, at this time Sideslip oil cylinder driving backing plate slides into the position Chong Die with the second ejector retainner plate or so, and then the second ejector retainner plate passes through the second thimble band Dynamic mold insert Forward is realized the adjusting of the second colour pattern chamber by mold insert, is at this time until the front face of the second ejector retainner plate resists backing plate It can start the injection molding of the second color, the cover half chamber of the second cover half core becomes the second color shaping mold cavity, at this time into the second color shaping mold cavity The second color injection molding melt is injected, after the second color injection molding melt is cooled and shaped, injection molding machine opens and closes modular system and drives turntable and dynamic model Core Forward die sinking, so that the first moving-mould-core and the disengagement of the second cover half core, while fixed die ejector is also by double-shot moulding finished product from cover half Intracavitary ejection, then turntable rotates 180 degree, and the first moving-mould-core is back to the position of face the first cover half core again, double-shot moulding at The injection molding of product is accused and is finished;
After removing double-shot moulding finished product, the second ejector retainner plate is moved back to rear stop, and then sideslip oil cylinder driving backing plate slides into The position being staggered with the second ejector retainner plate or so, then the second ejector retainner plate drives mold insert to move forward to preceding stop by the second thimble, so Injection molding machine folding modular system drives turntable and moving-mould-core to move back molding afterwards, so that the first moving-mould-core and the first cover half core pairing are (same When the second moving-mould-core also with the second cover half core pairing), double-shot moulding operation next time can be started.

Claims (2)

1. a kind of bicolor injection mould, it is characterised in that: including die holder, turntable, and two cover half cores being fixed on die holder, In a cover half core be the first cover half core, another cover half core is the second cover half core, is formed with one on each cover half core Cover half chamber, and it is designed on each cover half core the fixed die ejector for being ejected forward the intracavitary injecting products of cover half;
It is symmetrically fixed there are two the identical moving-mould-core of structure on the turntable, it is formed with dynamic model chamber on moving-mould-core, dynamic model is intracavitary Equipped with the mold insert that can be slid back and forth, the cover half chamber of the dynamic model chambers of two moving-mould-cores and two cover half cores face one by one;
The moving-mould-core is equipped with the dynamic model top pillar that can be slid back and forth, and is fixed with the first ejector retainner plate, the first thimble on dynamic model top pillar The first thimble is fixed on plate, dynamic model chamber offers the centre hole entered and left for the first thimble;
The moving-mould-core is equipped with the second ejector retainner plate that can be slid back and forth, and fixes the second thimble, the second thimble on the second ejector retainner plate It is affixed with mold insert.
2. bicolor injection mould according to claim 1, it is characterised in that: the moving-mould-core is equipped with and can horizontally slip Backing plate, and the sideslip oil cylinder for driving backing plate to horizontally slip, the backing plate and the second ejector retainner plate or so are staggered, and backing plate energy Slide into the position Chong Die with the second ejector retainner plate or so.
CN201820666182.XU 2018-05-07 2018-05-07 Bicolor injection mould Active CN208197429U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820666182.XU CN208197429U (en) 2018-05-07 2018-05-07 Bicolor injection mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820666182.XU CN208197429U (en) 2018-05-07 2018-05-07 Bicolor injection mould

Publications (1)

Publication Number Publication Date
CN208197429U true CN208197429U (en) 2018-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820666182.XU Active CN208197429U (en) 2018-05-07 2018-05-07 Bicolor injection mould

Country Status (1)

Country Link
CN (1) CN208197429U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112917818A (en) * 2021-01-20 2021-06-08 许韦奇 Multicolor injection molding edge-opening encapsulation production process
CN114311508A (en) * 2021-12-17 2022-04-12 苏州优耐鑫模具科技有限公司 High-reliability double-color injection mold for tight fitting molding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112917818A (en) * 2021-01-20 2021-06-08 许韦奇 Multicolor injection molding edge-opening encapsulation production process
CN114311508A (en) * 2021-12-17 2022-04-12 苏州优耐鑫模具科技有限公司 High-reliability double-color injection mold for tight fitting molding
CN114311508B (en) * 2021-12-17 2023-09-05 苏州优耐鑫模具科技有限公司 High-reliability double-color injection mold for close fitting molding

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