CN202079726U - Mechanism for twice die opening and twice core pulling - Google Patents

Mechanism for twice die opening and twice core pulling Download PDF

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Publication number
CN202079726U
CN202079726U CN2011200480725U CN201120048072U CN202079726U CN 202079726 U CN202079726 U CN 202079726U CN 2011200480725 U CN2011200480725 U CN 2011200480725U CN 201120048072 U CN201120048072 U CN 201120048072U CN 202079726 U CN202079726 U CN 202079726U
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CN
China
Prior art keywords
side slide
twice
die sinking
shifting block
core
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Expired - Lifetime
Application number
CN2011200480725U
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Chinese (zh)
Inventor
张劲松
袁松勇
卓健
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Ningbo Tianlong Electronics Co., Ltd.
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CIXI TIANLONG ELECTRONIC Co Ltd
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Priority to CN2011200480725U priority Critical patent/CN202079726U/en
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Abstract

A mechanism for twice opening a die and twice pulling a core comprises an upper die plate, a middle die plate and a lower die plate, wherein a sidewise core pulling mechanism is arranged between the middle die plate and the lower die plate; the sidewise core pulling mechanism consists of a first side slider and a first oblique guide pillar; the first side slider is slidably arranged on the lower die plate, and provided with an inner shifting block and an outer shifting block; a die opening spring is arranged between the upper die plate and the middle die plate, and the middle die plate and the lower die plate are connected by a die locking fastener; the first oblique guide pillar is fixedly connected with the upper die plate, and the middle die plate is provided with a guide slot adaptive to the first oblique guide pillar; the first side slider consists of an upper slider and a lower slider, the lower slider is connected with the lower die plate in a sliding manner, and the upper slider is connected with the upper surface of the lower slider in a sliding manner; and the upper slider and the lower slider are both provided with an inner shifting block and an outer shifting block, the outer shifting block of the upper slider is closer to the first oblique guide pillar compared with the outer shifting block of the lower slider. The mechanism has the advantages of ensuring plastic product not to be deformed in core pulling, guaranteeing the accuracy of the dimension of the product, not influencing the installation of a metal insert, and being simple in structure and simple and convenient to operate.

Description

Twice core-pulling mechanism of twice die sinking
Technical field
The utility model relates to twice core-pulling mechanism of a kind of twice die sinking.
Technical background
The plastic product of band inserts, as shown in Figure 1, 2: A is a working of plastics, B is a metal insert, just need be placed on the B metal insert in the mould of plastics earlier when mould molding, carries out injection moulding again, according to the mould structure requirement, this type of product B metal insert is need be put into earlier in the dynamic model of mould, and then in the matched moulds process, the B metal insert will insert in the corresponding aperture in the slide block and cooperate with slide block, the whole plastic product of injection mo(u)lding utilizes the slide block core-pulling mechanism to loose core during die sinking again.
The die sinking situation of traditional moulds as Figure 1-3; This type of mode mold actions is opened earlier for mould active and inactive mold at first metal insert B is placed on afterwards in the die, the manual position of shifting onto of slide block makes metal insert B also be inserted in the slide block then, mold-closing injection moulding again, utilize during die sinking first Angle Pin and under the mould opening force effect simultaneously slide block with about slip off and loose core.
So during die sinking, because of product both sides structure different, cause the plastic product different,, thereby seriously influence the size of product one side product can be by big being pulled through and being out of shape of package power when loosing core to the package power on slide block both sides, do not satisfy client's drawing requirement, the metal insert part also can be stuck inside in the back die cavity, and product is not easy to eject, and does not note just having the possibility of pressing mold, the coating of metal insert and disconnected cutting also can drop in the groove simultaneously, influence laying of metal insert.
Summary of the invention
For overcoming the above-mentioned shortcoming of prior art, the utility model provides a kind of assurance plastic product in the Shi Buhui distortion of loosing core, and ensures the accurate of product size, does not influence laying of metal insert, twice core-pulling mechanism of twice die sinking simple in structure, easy and simple to handle.
Twice core-pulling mechanism of twice die sinking comprises and the cope match-plate pattern of clasp mould mechanism interlock that the middle template of die and the lower bolster that is fixed with the back die of placing metal insert are provided with side core-drawing mechanism between described middle template and the described lower bolster before being fixed with;
Described side core-drawing mechanism comprises and allows first side slide that described metal insert inserts in it, slidably is connected with lower bolster and first Angle Pin that when die sinking first side slide is play the guiding role;
Described first side slide is slidably mounted on the lower bolster, shifting block and outer shifting block in described first side slide is provided with, described first Angle Pin pushes against described outer shifting block, drives first side slide to the direction slip away from metal insert during die sinking, and described first Angle Pin pushes against described interior shifting block during matched moulds, drive first side slide slides to the direction near metal insert;
It is characterized in that: be provided with when die sinking the die sinking spring that can cope match-plate pattern be separated with middle template by mould opening force between described cope match-plate pattern and the middle template, described in template and described lower bolster link by locked mode and connect;
Described first Angle Pin and described cope match-plate pattern are affixed, described in template be provided with adaptive with described first Angle Pin, allow slide guide groove in it of first Angle Pin;
Described first side slide is made up of top shoe and sliding block, and described sliding block and described lower bolster are slidingly connected, and described top shoe slidably is connected with the upper surface of described sliding block; Shifting block and outer shifting block in being equipped with on described top shoe and the sliding block, the outer shifting block of described top shoe is than close described first Angle Pin of the outer shifting block of described sliding block.
Further, the outer end of described top shoe and sliding block is ramped shaped, template is provided with and the slope of described sliding block coupling, the following gathering slide block that sliding block inwardly pushed away when the matched moulds in described, described cope match-plate pattern be provided with the slope coupling of described top shoe, when the matched moulds top shoe is inwardly pushed away on draw slide block in;
It is described that go up to draw slide block in affixed with described cope match-plate pattern, described in template be provided with and allow describedly to go up that the gathering slide block runs through and along its chute that slides up and down.
Further, be provided with the stop screw of distance between restriction cope match-plate pattern and the middle template between described cope match-plate pattern and the middle template, described die sinking spring housing is located on the described stop screw.
Further, described side core-drawing mechanism also comprises second side slide relative with described first side slide, that slidably be connected with described lower bolster and make outwards second Angle Pin of motion of second side slide when die sinking;
The outer end of described second side slide is ramped shaped, and described middle template is provided with the slope of described second side slide latch segment that mates, when matched moulds second side slide is inwardly pushed away.
Further, in described shifting block be protrude in the first side slide surface, with the adaptive slope of described first Angle Pin.
Further, described outer shifting block is the pin that protrudes in the first side slide surface.
Technical conceive of the present utility model is: loose core for twice by twice die sinking, earlier first side slide is separated with metal insert, more preceding die and plastics are annotated part and separate, annotate part and do not deform to guarantee metal insert and plastics.
Mould die sinking situation of the present utility model is as follows: during die sinking for the first time, under the effect of mould opening force and die sinking spring, cope match-plate pattern separates with middle template, and template is not separated under the effect of locked mode button with lower bolster in this moment; Last gathering slide block breaks away from top shoe, and first Angle Pin is followed cope match-plate pattern towards the direction motion away from middle template, and first Angle Pin pushes against the outer shifting block of top shoe and outwards stirs top shoe, and top shoe separates with metal insert, promptly realizes loosing core for the first time.
Die sinking is proceeded, and stop screw no longer increases the distance between cope match-plate pattern and the middle template, and mould opening force is cramped out locked mode, and middle template is separated with lower bolster.Middle template is towards the direction motion away from lower bolster, and preceding die is annotated part away from plastics gradually.Template was towards the direction motion away from lower bolster during second Angle Pin was followed, and second side slide outwards slides under the effect of second Angle Pin; Simultaneously first Angle Pin pushes against the outer shifting block of sliding block, drives top shoe simultaneously and sliding block outwards slides.Like this, preceding die, first side slide, second side slide are all annotated part away from plastics, finish and loose core for the second time.
The utility model is when the first time, die sinking was loosed core, and middle template is not separated with lower bolster, and plastics are annotated part and still compressed by preceding die, and only are that top shoe separates with metal insert, guarantees that like this plastics notes part can not be out of shape when loosing core, and metal insert can not fall.During die sinking for the second time, second side slide and sliding block while are annotated part, outwards motion away from plastics, and plastics are annotated the mutual balance of package power of part, thereby ensure that further deformation does not take place plastics notes part.
The utlity model has and guarantee that the plastic product in the Shi Buhui distortion of loosing core, ensures the accurate of product size, do not influence laying of metal insert, simple in structure, advantages of simple operation.
Description of drawings
Fig. 1 is the schematic diagram of existing mould matched moulds state.
Fig. 2 is the schematic diagram of existing mould die sinking before injection moulding.
Fig. 3 is the schematic diagram of existing mould die sinking after injection moulding.
Fig. 4 is the schematic diagram that the utility model is in the matched moulds state.
Schematic diagram when Fig. 5 is the utility model die sinking for the first time.
Fig. 6 is the I portion enlarged drawing of Fig. 5.
Schematic diagram when Fig. 7 is the utility model die sinking for the second time.
Fig. 8 is the schematic diagram after die sinking is finished before the utility model injection moulding.
The specific embodiment
With reference to accompanying drawing, further specify the utility model:
Twice core-pulling mechanism of twice die sinking, comprise cope match-plate pattern A01 with the clasp mould mechanism interlock, the middle template A02 of die 1 and the lower bolster A03 that is fixed with the back die 2 of placing metal insert B are provided with side core-drawing mechanism between described middle template A02 and the described lower bolster A03 before being fixed with;
Described side core-drawing mechanism comprises and allows first side slide that described metal insert B inserts in it, slidably is connected with lower bolster A03 and first Angle Pin 41 that when die sinking first side slide is play the guiding role;
Described first side slide is slidably mounted on the lower bolster A03, shifting block c and outer shifting block d in described first side slide is provided with, described first Angle Pin 41 pushes against described outer shifting block d, drives first side slide to the direction slip away from metal insert B during die sinking, and described first Angle Pin 41 pushes against described interior shifting block c during matched moulds, drive first side slide slides to the direction near metal insert B;
Be provided with when die sinking the die sinking spring 51 that can cope match-plate pattern A01 be separated with middle template A02 by mould opening force between described cope match-plate pattern A01 and the middle template A02, described in template A02 be connected by locked mode button 6 with described lower bolster A03;
Described first Angle Pin 41 is affixed with described cope match-plate pattern A01, described in template A02 be provided with 41 adaptive with described first Angle Pin, allow slide guide groove in it of first Angle Pin 41;
Described first side slide is made up of top shoe 311 and sliding block 312, and described sliding block 312 is slidingly connected with described lower bolster A03, and described top shoe 311 slidably is connected with the upper surface of described sliding block 312; Shifting block c and outer shifting block d in being equipped with on described top shoe 311 and the sliding block 312, the outer shifting block d of described top shoe 311 is than close described first Angle Pin 41 of the outer shifting block d of described sliding block 312.
The outer end of described top shoe 311 and sliding block 312 is ramped shaped, template A02 is provided with and the slope of described sliding block 312 coupling, the following gathering slide block 7 that sliding block 312 inwardly pushed away when the matched moulds in described, described cope match-plate pattern A01 be provided with the slope coupling of described top shoe 311, when the matched moulds top shoe 311 is inwardly pushed away on draw slide block 8 in;
It is described that go up to draw slide block 8 in affixed with described cope match-plate pattern A01, described in template A02 be provided with and allow described going up to draw that slide block 8 runs through in and along its chute that slides up and down.
Be provided with the stop screw 52 of distance between restriction cope match-plate pattern A01 and the middle template A02 between described cope match-plate pattern A01 and the middle template A02, described die sinking spring 51 is sheathed on the described stop screw 52.
Second side slide 32 that described side core-drawing mechanism also comprises is relative with described first side slide, slidably be connected with described lower bolster A03 and when die sinking, make outwards second Angle Pins 42 of motion of second side slide 32;
The outer end of described second side slide 32 is ramped shaped, and described middle template A02 is provided with the slope of described second side slide 32 latch segment 9 that mates, when matched moulds second side slide 32 is inwardly pushed away.
In described shifting block c be protrude in the first side slide surface, with the adaptive slope of described first Angle Pin 41.
Described outer shifting block d is the pin that protrudes in the first side slide surface.
Technical conceive of the present utility model is: loose core for twice by twice die sinking, earlier first side slide is separated with metal insert B, more preceding die 1 and plastics are annotated part A and separate, annotate part A and do not deform to guarantee metal insert B and plastics.
Mould die sinking situation of the present utility model is as follows: during die sinking for the first time, under the effect of mould opening force and die sinking spring 3, cope match-plate pattern A01 separates with middle template A02, and template A02 does not separate under the effect of locked mode button 6 with lower bolster A03 in this moment; Last gathering slide block 8 breaks away from top shoe 311; and first Angle Pin 41 is followed cope match-plate pattern A01 towards the direction motion away from middle template A02; first Angle Pin 41 pushes against the outer shifting block d of top shoe 411 and outwards stirs top shoe 311, and top shoe 311 separates with metal insert B, promptly realizes loosing core for the first time.
Die sinking is proceeded, and stop screw 52 no longer increases the distance between cope match-plate pattern A01 and the middle template A02, and mould opening force is opened locked mode button 6, and middle template A02 separates with lower bolster A03.Middle template A02 is towards the direction motion away from lower bolster A03, and preceding die 1 is annotated part A away from plastics gradually.Template A02 was towards the direction motion away from lower bolster A03 during second Angle Pin 42 was followed, and second side slide 32 outwards slides under the effect of second Angle Pin 42; First Angle Pin 41 pushes against the outer shifting block d of sliding block 312 simultaneously, drives top shoe 311 and sliding block 312 simultaneously and outwards slides.Like this, preceding die 1, first side slide, second side slide 32 are all annotated part A away from plastics, finish and loose core for the second time.
The utility model is when the first time, die sinking was loosed core, middle template A02 does not separate with lower bolster A03, and plastics are annotated part A and still compressed by preceding die 1, and only are that top shoe 311 separates with metal insert B, guarantee that like this plastics notes part can not be out of shape when loosing core, metal insert B can not fall.During die sinking for the second time, second side slide 32 and 312 whiles of sliding block are annotated part A, outwards motion away from plastics, and plastics are annotated the mutual balance of package power of part A, thereby ensure that further deformation does not take place plastics notes part.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.

Claims (6)

1. twice core-pulling mechanism of twice die sinking comprises and the cope match-plate pattern of clasp mould mechanism interlock that the middle template of die and the lower bolster that is fixed with the back die of placing metal insert are provided with side core-drawing mechanism between described middle template and the described lower bolster before being fixed with;
Described side core-drawing mechanism comprises and allows first side slide that described metal insert inserts in it, slidably is connected with lower bolster and first Angle Pin that when die sinking first side slide is play the guiding role;
Described first side slide is slidably mounted on the lower bolster, shifting block and outer shifting block in described first side slide is provided with, described first Angle Pin pushes against described outer shifting block, drives first side slide to the direction slip away from metal insert during die sinking, and described first Angle Pin pushes against described interior shifting block during matched moulds, drive first side slide slides to the direction near metal insert;
It is characterized in that: be provided with when die sinking the die sinking spring that can cope match-plate pattern be separated with middle template by mould opening force between described cope match-plate pattern and the middle template, described in template and described lower bolster link by locked mode and connect;
Described first Angle Pin and described cope match-plate pattern are affixed, described in template be provided with adaptive with described first Angle Pin, allow slide guide groove in it of first Angle Pin;
Described first side slide is made up of top shoe and sliding block, and described sliding block and described lower bolster are slidingly connected, and described top shoe slidably is connected with the upper surface of described sliding block; Shifting block and outer shifting block in being equipped with on described top shoe and the sliding block, the outer shifting block of described top shoe is than close described first Angle Pin of the outer shifting block of described sliding block.
2. twice core-pulling mechanism of twice die sinking as claimed in claim 1, it is characterized in that: the outer end of described top shoe and sliding block is ramped shaped, template is provided with and the slope of described sliding block coupling, the following gathering slide block that sliding block inwardly pushed away when the matched moulds in described, described cope match-plate pattern be provided with the slope coupling of described top shoe, when the matched moulds top shoe is inwardly pushed away on draw slide block in;
It is described that go up to draw slide block in affixed with described cope match-plate pattern, described in template be provided with and allow describedly to go up that the gathering slide block runs through and along its chute that slides up and down.
3. twice core-pulling mechanism of twice die sinking as claimed in claim 1 or 2 is characterized in that: be provided with the stop screw of distance between restriction cope match-plate pattern and the middle template between described cope match-plate pattern and the middle template, described die sinking spring housing is located on the described stop screw.
4. twice core-pulling mechanism of twice die sinking as claimed in claim 3, it is characterized in that: described side core-drawing mechanism also comprises second side slide relative with described first side slide, that slidably be connected with described lower bolster and make outwards second Angle Pin of motion of second side slide when die sinking;
The outer end of described second side slide is ramped shaped, and described middle template is provided with the slope of described second side slide latch segment that mates, when matched moulds second side slide is inwardly pushed away.
5. twice core-pulling mechanism of twice die sinking as claimed in claim 4 is characterized in that: described in shifting block be protrude in the first side slide surface, with the adaptive slope of described first Angle Pin.
6. twice core-pulling mechanism of twice die sinking as claimed in claim 5 is characterized in that: described outer shifting block is the pin that protrudes in the first side slide surface.
CN2011200480725U 2011-02-25 2011-02-25 Mechanism for twice die opening and twice core pulling Expired - Lifetime CN202079726U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133789A (en) * 2011-02-25 2011-07-27 慈溪天龙电子有限公司 Double-mould-opening and double-core-pulling mechanism
CN103358485A (en) * 2013-06-28 2013-10-23 广东联塑科技实业有限公司 Secondary core pulling limiting structure of inner-running sliding seat of sliding seat
CN103600471A (en) * 2013-10-29 2014-02-26 昌辉汽车电器(黄山)股份公司 Injection mold with insert assembling structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102133789A (en) * 2011-02-25 2011-07-27 慈溪天龙电子有限公司 Double-mould-opening and double-core-pulling mechanism
CN102133789B (en) * 2011-02-25 2013-03-27 宁波天龙电子股份有限公司 Double-mould-opening and double-core-pulling mechanism
CN103358485A (en) * 2013-06-28 2013-10-23 广东联塑科技实业有限公司 Secondary core pulling limiting structure of inner-running sliding seat of sliding seat
CN103600471A (en) * 2013-10-29 2014-02-26 昌辉汽车电器(黄山)股份公司 Injection mold with insert assembling structure
CN103600471B (en) * 2013-10-29 2016-07-06 昌辉汽车电器(黄山)股份公司 A kind of injection mould with dress insert structure

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GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NINGBO TIANLONG ELECTRONICS CO., LTD.

Free format text: FORMER NAME: CIXI TIANLONG ELECTRONICS CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 315336 Ningbo, Hangzhou Bay New District, No. eight Tong Road, No. 116

Patentee after: Ningbo Tianlong Electronics Co., Ltd.

Address before: 315336 Ningbo, Hangzhou Bay New District, No. eight Tong Road, No. 116

Patentee before: Cixi Tianlong Electronic Co., Ltd.

AV01 Patent right actively abandoned

Granted publication date: 20111221

Effective date of abandoning: 20130327

RGAV Abandon patent right to avoid regrant