CN106239844B - A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold - Google Patents

A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold Download PDF

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Publication number
CN106239844B
CN106239844B CN201610856069.3A CN201610856069A CN106239844B CN 106239844 B CN106239844 B CN 106239844B CN 201610856069 A CN201610856069 A CN 201610856069A CN 106239844 B CN106239844 B CN 106239844B
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China
Prior art keywords
oblique
block
shoes
plunger tip
core
Prior art date
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CN201610856069.3A
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Chinese (zh)
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CN106239844A (en
Inventor
俞伟晓
丁波
施孝剑
顾初青
鲍明飞
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NINGHAI FIRST-RATE INJECTION MOULD Co Ltd
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NINGHAI FIRST-RATE INJECTION MOULD Co Ltd
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Priority to CN201610856069.3A priority Critical patent/CN106239844B/en
Publication of CN106239844A publication Critical patent/CN106239844A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4435Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C2045/338Mould parts with combined axial and transversal movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C2045/445Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article

Abstract

The invention discloses a kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold, including straight plunger tip block (1), oblique shoes (13), oblique Loose core block (2), smooth foot (23), inclined guide pillar (3).The straight plunger tip block that the present invention uses is equipped with convex face, Kong Xin and oblique shoes;Oblique Loose core block is equipped with concave face peace shoes;Straight plunger tip block and oblique Loose core block are simultaneously closed in the resettlement groove of dynamic mould core, and convex face, Kong Xin and concave face surround the die cavity of moulded products back-off and back-off through-hole jointly;During demoulding, straight plunger tip block and oblique Loose core block are above pushed up simultaneously, product is first made to be loosened with dynamic mould core, later, the effect of inclined guide pillar and oblique shoes makes the upper top of straight plunger tip block generate deceleration, the difference of the upper top speed of straight plunger tip block and oblique Loose core block is known as differential, due to differential, when the core pulling of concave face comes out, Kong Xin is also able to the technical solution that core pulling comes out simultaneously, the core_pulling demoulding of buckle structure, has achieved the purpose that improve efficiency, has reduced cost in making injection mold back-off position narrow and detaining.

Description

A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold
Technical field
It, will be in narrow space the present invention relates to the core-pulling demolding device of injection mold, in particular to for injection mold Back-off pellet tiltedly takes out a kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold of demoulding.
Background technology
The position of certain back-off structures of injection-molded item is excessively narrow, and is additionally provided with back-off through-hole in product back-off, referred to as Buckle structure in button, refering to Fig. 4, due to the slant-top core-pulling space wretched insufficiency of buckle structure in button so that injection mold is difficult to set Pitched roof mechanism carries out oblique core_pulling demoulding, and the prior art is demoulded using inserts method, that is, during injection molding, is fallen in moulded products Buckle sets inserts, after product molding demoulding, then by manually taking out the inserts of the back-off of product by tool;So into Type product, time-consuming, bad product rate is high, low production efficiency, and synthesis is of high cost, and therefore, there are efficiency is low, cost for the prior art The problem of high and deficiency.
Invention content
Existing problems and shortcomings for the above-mentioned prior art, the present invention is using by straight plunger tip block, oblique shoes, oblique core pulling The device that block, smooth foot and inclined guide pillar are formed, wherein, convex face and molding back-off of the straight plunger tip block equipped with moulded products back-off lead to The Kong Xin in hole, straight plunger tip block are additionally provided with straight mandril and oblique shoes, and the oblique shoes is the shoes structure of the sliding block and wedge shape by wedge shape Into oblique sliding members, the shoes be equipped with oblique guide hole;Oblique Loose core block is equipped with the concave face of moulded products back-off, oblique Loose core block Angle ejector rod is additionally provided with, the lower end of angle ejector rod is equipped with the smooth foot that can be horizontally slipped;Straight plunger tip block and oblique Loose core block are simultaneously closed positioned at dynamic In the resettlement groove of model core, the convex face, Kong Xin surround moulded products back-off with the concave face and are buckled to through-hole jointly Die cavity;The lower end of the straight mandril is fixedly connected with the sliding block of oblique shoes, and the shoes can horizontally slip and be connect with top plate, described Smooth foot is fixedly connected with top plate, and the inclined guide pillar slides through the oblique guide hole, and the lower end of inclined guide pillar is fixedly connected with bottom plate;
When demoulding work, injection tail top pushing tow top plate, top plate is through oblique shoes, straight mandril, straight plunger tip block peace shoes, tiltedly Pushing tow product is detached from dynamic mould core upwards simultaneously for mandril, oblique Loose core block, at this point, moving up with top plate, inclined guide pillar is through institute Stating oblique guide hole pushes the shoes to move right, and shoes band movable slider, straight mandril and the straight plunger tip block to move right slows down so that The speed that straight plunger tip block moves up is less than the speed that oblique Loose core block moves up, the speed between straight plunger tip block and oblique Loose core block Difference be known as differential;At the same time, oblique Loose core block is oblique to the right from bottom to top is detached from straight plunger tip block;The result of above-mentioned movement synthesis For, first, straight plunger tip block and oblique Loose core block pushing tow product upwards simultaneously make to loosen between product and dynamic mould core 01, therewith, Due to the differential, in the oblique straight plunger tip block of disengaging of oblique Loose core block, come out concave face core pulling to the right from product back-off While, the Kong Xin technical solutions that core pulling downwards comes out from the back-off through-hole that product is buckled to of straight plunger tip block provide one The kind oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold, it is intended to buckle structure in making injection mold back-off position narrow and detaining Core_pulling demoulding, achieve the purpose that improve efficiency, reduce cost.
The object of the present invention is achieved like this:A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold, packet Straight plunger tip block, oblique shoes, oblique Loose core block, smooth foot, inclined guide pillar are included, wherein:The straight plunger tip block is equipped with molding for right side The upper surface of the steel block member in the convex face of product back-off, described convex face are equipped with the Kong Xin of molding back-off through-hole, straight plunger tip The straight mandril of rectangular rod is fixed with below block, the lower end of the straight mandril is connected with oblique shoes, and the oblique shoes is served as reasons The oblique sliding members that sliding block and shoes are formed;The sliding block is the wedge shape bulk that upward tilt slide from left to right is arranged below Steel components, wedge shape bulk steel components of the shoes to be equipped with upward tip chute from left to right above, the right part of shoes It is known as oblique guide hole equipped with the circular through hole being tilted to the right from bottom to top;The sliding block is slidably connected at the upper of shoes through track slot fastening Face;
The oblique Loose core block is equipped with the steel block member in the concave face of moulded products back-off, oblique Loose core block for left side Below be fixed with the angle ejector rod of rectangular rod, the lower end of the angle ejector rod is equipped with the smooth foot that can be horizontally slipped;
The inclined guide pillar is the steel components of cylinder rod;
Straight plunger tip block and oblique Loose core block are simultaneously closed in the resettlement groove of dynamic mould core, the convex face, Kong Xin with it is described recessed Type face surrounds the die cavity of moulded products back-off and back-off through-hole jointly;The lower end of the straight mandril is fixed with the sliding block of oblique shoes to be connected It connects, the shoes of oblique shoes can horizontally slip to be connect with top plate, and the smooth foot fixation is connect with top plate;The inclined guide pillar is slided It moves across the oblique guide hole, the lower end of inclined guide pillar is fixedly connected with bottom plate.
Working principle and beneficial effect
When demoulding work, injection tail top pushing tow top plate, top plate is through oblique shoes, straight mandril, straight plunger tip block peace shoes, tiltedly Pushing tow product is detached from dynamic mould core upwards simultaneously for mandril, oblique Loose core block, at this point, moving up with top plate, inclined guide pillar is through institute Stating oblique guide hole pushes the shoes to move right, and shoes band movable slider, straight mandril and the straight plunger tip block to move right slows down so that The speed that straight plunger tip block moves up is less than the speed that oblique Loose core block moves up, the speed between straight plunger tip block and oblique Loose core block Difference be known as differential;At the same time, oblique Loose core block is oblique to the right from bottom to top is moved out straight plunger tip block;
The result of above-mentioned movement synthesis is:
First, straight plunger tip block and oblique Loose core block while upwards pushing tow product, make to loosen between product and dynamic mould core 01, Therewith, due to the differential, make concave face core pulling to the right from product back-off in the oblique straight plunger tip block of disengaging of oblique Loose core block While out, core pulling comes out the hole core of straight plunger tip block from the back-off through-hole that product is buckled to downwards.
The present apparatus is simple in structure, reliable operation, by straight plunger tip block and the differential linkage of oblique Loose core block, is pushed away by product While dynamic mould core, by the concave face of oblique Loose core block, core pulling comes out from product back-off, by the Kong Xin of straight plunger tip block from product Core pulling comes out in the back-off through-hole of back-off, avoids the drawbacks of inserts method demoulds, in making injection mold back-off position narrow and detaining The core_pulling demoulding of buckle structure can utilize the ejection of top plate disposably to complete, improve production efficiency, reduce comprehensive cost.
Above-mentioned, the present invention uses the device being made of straight plunger tip block, oblique shoes, oblique Loose core block, smooth foot and inclined guide pillar, In, straight plunger tip block is equipped with the convex face of moulded products back-off and the Kong Xin of molding back-off through-hole, and straight plunger tip block is additionally provided with straight mandril With oblique shoes, the oblique shoes is the oblique sliding members being made of the sliding block of wedge shape and the shoes of wedge shape, and the shoes is equipped with Oblique guide hole;Oblique Loose core block is equipped with the concave face of moulded products back-off, and oblique Loose core block is additionally provided with angle ejector rod, and the lower end of angle ejector rod is equipped with The smooth foot that can be horizontally slipped;Straight plunger tip block and oblique Loose core block are simultaneously closed in the resettlement groove of dynamic mould core, the convex face, hole Core surrounds the die cavity of moulded products back-off and back-off through-hole with the concave face jointly;The lower end of the straight mandril and oblique shoes Sliding block is fixedly connected, and the shoes can horizontally slip and be connect with top plate, and the smooth foot is fixedly connected with top plate, the inclined guide pillar The oblique guide hole is slid through, the lower end of inclined guide pillar is fixedly connected with bottom plate;
When demoulding work, injection tail top pushing tow top plate, top plate is through oblique shoes, straight mandril, straight plunger tip block peace shoes, tiltedly Pushing tow product is detached from dynamic mould core upwards simultaneously for mandril, oblique Loose core block, at this point, moving up with top plate, inclined guide pillar is through institute Stating oblique guide hole pushes the shoes to move right, and shoes band movable slider, straight mandril and the straight plunger tip block to move right slows down so that The speed that straight plunger tip block moves up is less than the speed that oblique Loose core block moves up, the speed between straight plunger tip block and oblique Loose core block Difference be known as differential;At the same time, oblique Loose core block is oblique to the right from bottom to top is detached from straight plunger tip block;The result of above-mentioned movement synthesis For, first, straight plunger tip block and oblique Loose core block pushing tow product upwards simultaneously make to loosen between product and dynamic mould core 01, therewith, Due to the differential, in the oblique straight plunger tip block of disengaging of oblique Loose core block, come out concave face core pulling to the right from product back-off While, the Kong Xin technical solutions that core pulling downwards comes out from the back-off through-hole that product is buckled to of straight plunger tip block overcome The prior art there are efficiency it is low, of high cost the problem of with the oblique core pulling differential connection of the straight plunger tip of a kind of injection mold that is insufficient, being provided Dynamic stripper apparatus, make injection mold back-off position narrow and button in buckle structure core_pulling demoulding, reached raising efficiency, reduce into This purpose.
Description of the drawings
Fig. 1 is a kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold of the present invention, in application mold Main view schematic cross-sectional view;
The right side that Fig. 2 is Fig. 1 regards schematic cross-sectional view;
Fig. 3 is a kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold of the present invention, is operated in straight plunger tip block 1 With the differential linkage of oblique Loose core block 2, product 05 is pushed away into dynamic mould core 01, while by concave face 21 from product back-off 051, general The principle schematic that core pulling comes out from back-off through-hole 052 of hole core 111;
Fig. 4 is a kind of narrow schematic cross-sectional view with the product 05 of buckle structure in button in back-off position.
Embodiment in below in conjunction with the accompanying drawings is described in further detail the present invention, but should not be construed as to the present invention's Any restrictions.
In figure:Straight plunger tip block 1, convex face 11, hole core 111, straight mandril 12, oblique shoes 13, sliding block 131, shoes 132, tiltedly Guide hole 133, oblique Loose core block 2, concave face 21, angle ejector rod 22, smooth foot 23, inclined guide pillar 3, dynamic mould core 01, cover half cavity 02, top Plate 03, bottom plate 04, product 05, product back-off 051, back-off through-hole 052, injection tail top 06.
Specific embodiment
Refering to Fig. 1~Fig. 3, the oblique core pulling differential linkage stripper apparatus of the straight plunger tip of a kind of injection mold of the invention, including straight Plunger tip block 1, oblique shoes 13, oblique Loose core block 2, smooth foot 23, inclined guide pillar 3, wherein:The straight plunger tip block 1 is equipped with for right side The upper surface of the steel block member in the convex face 11 of moulded products back-off 051, described convex face 11 are equipped with molding back-off through-hole 052 Hole core 111, the straight mandril 12 of rectangular rod is fixed with below straight plunger tip block 1, the lower end of the straight mandril 12 is connected with Oblique shoes 13, the oblique shoes 13 is the oblique sliding members being made of sliding block 131 and shoes 132;The sliding block 131 is following The blocky steel components of wedge shape equipped with upward tilt slide from left to right, the shoes 132 is is equipped with from left to right upwards above The blocky steel components of wedge shape of tip chute, the right part of shoes 132 are referred to as oblique equipped with the circular through hole being tilted to the right from bottom to top Guide hole 133;The sliding block 131 is slidably connected at through track slot fastening above shoes 132;
The oblique Loose core block 2 is equipped with the steel block member in the concave face 21 of moulded products back-off 051 for left side, tiltedly The angle ejector rod 22 of rectangular rod is fixed with below Loose core block 2, the lower end of the angle ejector rod 22 is equipped with what can be horizontally slipped Smooth foot 23;
The inclined guide pillar 3 is the steel components of cylinder rod;
Straight plunger tip block 1 and oblique Loose core block 2 are simultaneously closed in the resettlement groove of dynamic mould core 01, the convex face 11, hole core 111 Moulded products back-off 051 is surrounded jointly with the concave face 21 and is buckled to the die cavity of through-hole 052;The lower end of the straight mandril 12 with The sliding block 131 of oblique shoes 13 is fixedly connected, and the shoes 132 of oblique shoes 13 can horizontally slip to be connect with top plate 03, described flat The fixation of shoes 23 is connect with top plate 03;The inclined guide pillar 3 slides through the oblique guide hole 133, lower end and the bottom plate 04 of inclined guide pillar 3 It is fixedly connected.
Working principle and beneficial effect
When demoulding work, 06 pushing tow top plate 03 of injection tail top, top plate 03 is through oblique shoes 13, straight mandril 12, straight plunger tip block 1 Pushing tow product 05 is detached from dynamic mould core 01 upwards simultaneously for peaceful shoes 23, angle ejector rod 22, oblique Loose core block 2, at this point, with top plate 03 Move up, inclined guide pillar 3 pushes the shoes 132 to move right through the oblique guide hole 133,132 band of shoes to move right Movable slider 131, straight mandril 12 and straight plunger tip block 1 slow down so that the speed that straight plunger tip block 1 moves up be less than oblique Loose core block 2 to The speed of upper movement, the difference of the speed between straight plunger tip block 1 and tiltedly Loose core block 2 are known as differential;At the same time, oblique Loose core block 2 by It is oblique to the right upwards down to be moved out straight plunger tip block 1;
The result of above-mentioned movement synthesis is:
First, straight plunger tip block 1 and oblique Loose core block 2 while upwards pushing tow product 05, make to send out between product 05 and dynamic mould core 01 It is raw to loosen, therewith, due to the differential, the concave face 21 is made to be buckled to from product in the oblique straight plunger tip block 1 of disengaging of oblique Loose core block 2 While core pulling comes out to the right in 051, the hole core 111 of straight plunger tip block 1 is downwards from the back-off through-hole 052 of product back-off 051 Middle core pulling comes out.
The present apparatus is simple in structure, reliable operation, by straight plunger tip block 1 and the differential linkage of oblique Loose core block 2, by product 05 While pushing away dynamic mould core 01, by the concave face 21 of oblique Loose core block 2, core pulling comes out from product back-off 051, by straight plunger tip block 1 Hole core 111 from product back-off 051 back-off through-hole 052 in core pulling come out, avoid inserts method demoulding the drawbacks of, make injection mould The narrow core_pulling demoulding with buckle structure in button in tool back-off position can utilize the ejection of top plate 03 disposably complete, improve life Efficiency is produced, reduces comprehensive cost.

Claims (1)

1. a kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold, including straight plunger tip block (1), oblique shoes (13), tiltedly Loose core block (2), smooth foot (23), inclined guide pillar (3), it is characterised in that:The straight plunger tip block (1) is equipped with molding for right side and makes The upper surface of the steel block member in the convex face (11) of product back-off (051), described convex face (11) are equipped with molding back-off through-hole (052) Kong Xin (111) is fixed with the straight mandril (12) of rectangular rod, the straight mandril (12) below straight plunger tip block (1) Lower end be connected with oblique shoes (13), the oblique shoes (13) is that the oblique slip being made of sliding block (131) and shoes (132) is first Part;The sliding block (131) is the blocky steel components of wedge shape that upward tilt slide from left to right is arranged below, the shoes (132) it is the blocky steel components of wedge shape above equipped with upward tip chute from left to right, the right part of shoes (132) is equipped under The circular through hole being tilted to the right upwards is known as oblique guide hole (133);The sliding block (131) is slidably connected at shoes through track slot fastening (132) above;
The oblique Loose core block (2) is equipped with the steel block member in the concave face (21) of moulded products back-off (051) for left side, The angle ejector rod (22) of rectangular rod is fixed with below oblique Loose core block (2), the lower end of the angle ejector rod (22) is equipped with can be left The smooth foot (23) of right slip;
The inclined guide pillar (3) is the steel components of cylinder rod;
Straight plunger tip block (1) and oblique Loose core block (2) are simultaneously closed in the resettlement groove of dynamic mould core (01), the convex face (11), hole Core (111) surrounds moulded products back-off (051) with the concave face (21) and is buckled to the die cavity of through-hole (052) jointly;It is described straight The lower end of mandril (12) is fixedly connected with the sliding block (131) of oblique shoes (13), and the shoes (132) of oblique shoes (13) can control Slip is connect with top plate (03), and smooth foot (23) fixation is connect with top plate (03);The inclined guide pillar (3) slides through described Oblique guide hole (133), the lower end of inclined guide pillar (3) is fixedly connected with bottom plate (04).
CN201610856069.3A 2016-09-20 2016-09-20 A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold Active CN106239844B (en)

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CN106239844B true CN106239844B (en) 2018-06-12

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903846B (en) * 2017-04-28 2019-04-09 重庆长安汽车股份有限公司 A kind of vehicle door interior trim panel and its injection mold

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US5536161A (en) * 1993-11-05 1996-07-16 North America Packaging Corporation Double lock pail mold
CN101337423A (en) * 2008-08-08 2009-01-07 宁波跃飞模具有限公司 Large-angle inclined ejecting-block core-pulling mechanism on the medial surface of the injection mold
CN102672911A (en) * 2012-05-07 2012-09-19 宁波方正汽车模具有限公司 Three-rod double-slide large-angle inclined jacking core-pulling ejector pin device
CN206048716U (en) * 2016-09-20 2017-03-29 宁海县第一注塑模具有限公司 A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold

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Publication number Priority date Publication date Assignee Title
JP2823782B2 (en) * 1993-07-16 1998-11-11 有限会社タカオ設計事務所 Loose core ejector for resin mold
JP3988523B2 (en) * 2002-05-02 2007-10-10 三菱自動車エンジニアリング株式会社 Plastic mold equipment with inclined rod guide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536161A (en) * 1993-11-05 1996-07-16 North America Packaging Corporation Double lock pail mold
CN101337423A (en) * 2008-08-08 2009-01-07 宁波跃飞模具有限公司 Large-angle inclined ejecting-block core-pulling mechanism on the medial surface of the injection mold
CN102672911A (en) * 2012-05-07 2012-09-19 宁波方正汽车模具有限公司 Three-rod double-slide large-angle inclined jacking core-pulling ejector pin device
CN206048716U (en) * 2016-09-20 2017-03-29 宁海县第一注塑模具有限公司 A kind of oblique core pulling differential linkage stripper apparatus of the straight plunger tip of injection mold

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