CN103640191B - A kind of four sides slide block departs from the mechanism of plastic products - Google Patents

A kind of four sides slide block departs from the mechanism of plastic products Download PDF

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Publication number
CN103640191B
CN103640191B CN201310736134.5A CN201310736134A CN103640191B CN 103640191 B CN103640191 B CN 103640191B CN 201310736134 A CN201310736134 A CN 201310736134A CN 103640191 B CN103640191 B CN 103640191B
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China
Prior art keywords
slide block
cover
dynamic
wedge
plate
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CN201310736134.5A
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CN103640191A (en
Inventor
许斌
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DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
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DALIAN LUANYI PRECISION MOULD MANUFACTURING Co Ltd
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Priority to CN201310736134.5A priority Critical patent/CN103640191B/en
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    • 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
    • B29C45/332Mountings or guides therefor; Drives therefor
    • 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
    • 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 the mechanism that a kind of four sides slide block departs from plastic products, belong to thermoplastic molding's mould applications.When it is characterized in that die sinking, top clamping plate and solid plate are flicked under the effect of spring tension, be fixed on the wedge band active and inactive mold slide block movement on top clamping plate, make cover half slide block separately, deviate from the back-off part outside plastic product, meanwhile, cover half slide block is to taking out the spacing to inserting separately of slide block in dynamic model, make in dynamic model, to take out slide block internal core-pulling under the effect of spring tension, deviate from the back-off part inside plastic product; During matched moulds, wedge guiding cover half slide block movement makes both sides cover half slider surface contact, and the cone boss of cover half slide block contacts with the cone tank taking out slider top in dynamic model simultaneously, completes matched moulds.Achieve deviating from of product four direction back-off by the motion of taking out slide block in cover half slide block and dynamic model, simplify mould structure, enhance productivity.

Description

A kind of four sides slide block departs from the mechanism of plastic products
Technical field
The invention belongs to thermoplastic plastics shaping mould applications, relate to the mould of plastics that a kind of four sides slide block departs from the mechanism of plastic products, be mainly used in plastic product inner side and outer side all with in the mould of back-off.
Background technology
Mould for plastics utilizes its given shape to be shaped to have the instrument of certain profile and gauge articles, at present the mould of plastic product inner side and outer side all with back-off is realized by slide block shaping outside back-off and the shaping inner reverse fastener of oblique top, realize departing from the mould of back-off at slide block and oblique top, in slide block and oblique top die sinking process, motion process separately carries out, wherein slide block is located by pressing plate, wedge block is spacing, Angle Pin leads, oblique top needs to be connected on the fixed block with slideway by pin, fixed block is connected on the needle plate of face by hanging platform, to contact with needle plate face, face by the surrounding of fixed block thus locate, moving platen needs the guide plate installing guiding oblique top, take up room large, ejection stroke is long.
In process, fit dimension is many, and tolerance is tight, causes difficulty of processing large; In assembling process, the Assembly part relevant to oblique top is many, causes the loaded down with trivial details fallibility of assembling process, and oblique top height difficulty is adjusted; In production process, the associated parts of oblique top slide for a long time and easily pull, and during batch production, oblique top stroke is long, the weak easy fracture of intensity, thus increase cost, reduce production efficiency.
Summary of the invention
In view of above problem points, the present invention wants technical solution problem to be to provide the mould of plastics of the mechanism of a kind of four sides slide block disengaging plastic products, effective saving die space, simplifies mould structure, solves the plastic product of inner side and outer side all with back-off Problems existing in making mould and production.
Technical scheme of the present invention is: a kind of four sides slide block departs from the mechanism of plastic products; the mould bases of this mechanism comprises: top clamping plate 1, solid plate 2, moving platen 3, face needle plate 4, end needle plate 5, square iron 6, Bottom clamp plate 7, and internal structure comprises: take out in cover half slide block A8, cover half slide block B 9, wedge 10, moving die insert 11, insert 12, dynamic model in slide block A13, dynamic model and take out that slide block B 14, round top rod 15, flat push rod 16, pressing plate A17, pressing plate B18, wedge are spacing 19, backing plate 20, spring A21, jackscrew 22, spring B 23.
Wedge 10 is connected with top clamping plate 1 by hanging platform, wedge 10 contacts with the four sides, cave, the wedge side of installation on top clamping plate 1 thus locates, spacing by pressing plate A17, wedge 10 is also fixing by bolt-locking with top clamping plate 1, cover half slide block A8 locates for face contacts the also conical surface with cover half slide block B 9, cover half slide block A8 and cover half slide block B 9 are contacted with pressing plate B18 face and are connected by hanging platform, pressing plate B18 contacts with solid plate 2, also fixing by bolt-locking, tiltedly plane-plane contact the wedging of wedge 10 and cover half slide block A8 and cover half slide block B 9, wedge spacing 19 and wedge 10 tiltedly plane-plane contact carry out spacing, take out in dynamic model in slide block A13 and dynamic model and take out slide block B 14 top and be provided with cone tank, bottom cover half slide block B 9, be provided with cone boss, take out the cone tank taking out slide block B 14 in slide block A13 and dynamic model in dynamic model and to coordinate with cover half slide block B 9 cone boss inclined-plane and wedging is spacing,
Take out slide block A13 in insert 12, dynamic model and take out slide block B 14 in dynamic model and to be connected with moving die insert 11 hanging platform and to contact with 20, backing plate, backing plate 20 is also fixing by bolt-locking with moving die insert 11, spring A21 is spacing and take out slide block B 14 in slide block A13 and dynamic model and contact with taking out in dynamic model by jackscrew 22, moving die insert 11 and the die cavity surrounding of moving platen 3 are that face contacts and locates, also fixing by bolt-locking.
During die sinking: wedge 10 is with active and inactive mold slide block A8 and cover half slide block B 9 to move, make cover half slide block A8 and cover half slide block B 9 conical surface and mating surface separately, deviate from the back-off part outside plastic product; Take out in slide block A13 and dynamic model the cone tank taking out slide block B 14 top in cone boss simultaneously bottom cover half slide block B 9 and dynamic model to separate; take out in dynamic model in slide block A13 and dynamic model and take out the effect lower slider of slide block B 14 at spring A21 tension force, deviate from the back-off part inside plastic product.
During matched moulds: wedge 10 makes its wedging after contacting with cover half slide block B 9 with cover half slide block A8 and resets; cover half slide block A8 and cover half slide block B 9 conical surface contact and make it location, and the cone boss bottom cover half slide block B 9 inserts in dynamic model respectively to be taken out slide block A13 and to contact with face in the cone tank taking out slide block B 14 top in dynamic model and spacing.
The invention has the beneficial effects as follows: realized the shaping of the plastic product with outside back-off and the demoulding by cover half slide block and motion mode thereof; cover half slide block is taken out in the spacing control realization of the wedging of taking out slide block in dynamic model; thus realize the shaping of the plastic product with inner reverse fastener and the demoulding; wherein wedge has effect that is spacing and guiding; cover half slide block has shaping and spacing effect; achieve product to deviate from smoothly, simplify the structure of mould, improve production efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, illustrate with embodiment.
Fig. 1 is the schematic diagram one of this mold mechanism.
Fig. 2 is the schematic diagram two of this mold mechanism.
Fig. 3 is the schematic diagram of this mould die sinking.
Fig. 4 is the schematic diagram of four sides slide block die opening state.
Fig. 5 is the schematic diagram after cover half slide block and dynamic model slide block wedging portion's die sinking.
In figure: 1 top clamping plate; 2 solid plates; 3 moving platens; 4 needle plates; 5 end needle plates; 6 square iron; 7 Bottom clamp plates; 8 cover half slide block A; 9 cover half slide block B; 10 wedges; 11 moving die inserts; 12 insert; Slide block A is taken out in 13 dynamic models; Slide block B is taken out in 14 dynamic models; 15 round top rods; 16 flat push rods; 17 pressing plate A; 18 pressing plate B; 19 wedges are spacing; 20 backing plates; 21 spring A; 22 jackscrews; 23 spring B.
Detailed description of the invention
Specific embodiments of the invention are described in detail below in conjunction with technical scheme and accompanying drawing.
The assembling of mould: wedge 10 embeds top clamping plate 1, bolt is threaded with top clamping plate 1 by pressing plate A17, cover half slide block A8 and cover half slide block B 9 are placed in the slide block slot of solid plate 2, pressing plate B18 is arranged on cover half slide block A8 and contacts spacing in face with it with the both sides of cover half slide block B 9, bolt is threaded with solid plate 2 by pressing plate 18, wedge 10 contacts with spacing 19 of cover half slide block B 9 and wedge through cover half slide block A8, insert 12, take out in dynamic model in slide block A13 and dynamic model and take out slide block B 14 and embed in moving die insert 11, put into backing plate 20, bolt is threaded with moving die insert 11 by backing plate 20, insert 12, take out in dynamic model in slide block A13 and dynamic model and take out after slide block B 14 allocates moving die insert 11 into, bolt is threaded with moving die insert 11 by installing backing plate 20, spring A21 is arranged in fixed die insert 11 and takes out slide block B 14 in slide block A13 and dynamic model and contact by jackscrew 22 spacing with taking out in dynamic model, moving die insert 11 to be arranged on moving platen 3 and to be fixed by bolt-locking.
During die sinking: under the die sinking effect of forming machine, solid plate 2 and moving platen 3 are separately, top clamping plate 1 and solid plate 2 are flicked in the effect of spring B 23 tension force, being fixed on wedge 10 on top clamping plate 1 along with top clamping plate 1 moves, thus band active and inactive mold slide block A8 and cover half slide block B 9 are moved, make cover half slide block A8 and cover half slide block B 9 conical surface and mating surface separately, deviate from the back-off part (see Fig. 4) outside plastic product; When solid plate 2 separates with moving platen 3; take out in slide block A13 and dynamic model the cone tank taking out slide block B 14 top in cone boss bottom cover half slide block B 9 and dynamic model to separate (see Fig. 5); simultaneously; take out in dynamic model in slide block A13 and dynamic model and take out the effect lower slider of slide block B 14 at spring A21 tension force; deviate from the back-off part inside plastic product; be fixed on round top rod 15 on face needle plate 4 and flat push rod 16 action simultaneously ejects plastic product (see Fig. 3), complete die sinking process.
During matched moulds: under the matched moulds effect of forming machine; wedge 10 moves along with top clamping plate 1; wedge 10 makes its wedging after contacting with cover half slide block B 9 with cover half slide block A8 and resets; cover half slide block A8 and cover half slide block B 9 conical surface contact and make it to locate (see Fig. 1); cone boss bottom cover half slide block B 9 inserts in dynamic model the conical surface in the cone tank taking out the top of taking out slide block B 14 in slide block A13 and dynamic model respectively and contacts spacing to it, and matched moulds is complete.

Claims (1)

1. the mechanism of four sides slide block disengaging plastic products, the mould bases of this mechanism comprises: top clamping plate (1), solid plate (2), moving platen (3), face needle plate (4), end needle plate (5), square iron (6), Bottom clamp plate (7), internal structure comprises: cover half slide block A (8), cover half slide block B (9), wedge (10), moving die insert (11), insert (12), slide block A (13) is taken out in dynamic model, slide block B (14) is taken out in dynamic model, round top rod (15), flat push rod (16), pressing plate A (17), pressing plate B (18), wedge spacing (19), backing plate (20), spring A (21), jackscrew (22), spring B (23), it is characterized in that, wedge (10) is connected with top clamping plate (1) by hanging platform, wedge (10) contacts with the four sides, cave, the wedge side of installation on top clamping plate (1) thus locates, spacing by pressing plate A (17), wedge (10) is also fixing by bolt-locking with top clamping plate (1), cover half slide block A (8) locates for face contacts the also conical surface with cover half slide block B (9), cover half slide block A (8) and cover half slide block B (9) are contacted with pressing plate B (18) face and are connected by hanging platform, pressing plate B (18) contacts with solid plate (2) face, also fixing by bolt-locking, wedge (10) and cover half slide block A (8) and the oblique plane-plane contact of cover half slide block B (9) wedging, wedge spacing (19) and wedge (10) tiltedly plane-plane contact carry out spacing, take out in dynamic model in slide block A (13) and dynamic model and take out slide block B (14) top and be provided with cone tank, cover half slide block B (9) bottom is provided with cone boss, takes out the cone tank taking out slide block B (14) in slide block A (13) and dynamic model and coordinate with cover half slide block B (9) cone boss inclined-plane also wedging spacing in dynamic model,
Take out slide block A (13) in insert (12), dynamic model and take out slide block B (14) in dynamic model and to be connected with moving die insert (11) hanging platform and to contact with backing plate (20) face, backing plate (20) is also fixing by bolt-locking with moving die insert (11), spring A (21) is spacing and take out slide block B (14) face in slide block A (13) and dynamic model and contact with taking out in dynamic model by jackscrew (22), moving die insert (11) and the die cavity surrounding of moving platen (3) are that face contacts and locates, also fixing by bolt-locking;
During die sinking: wedge (10) band active and inactive mold slide block A (8) and cover half slide block B (9) motion, make cover half slide block A (8) and cover half slide block B (9) conical surface and mating surface separately, deviate from the back-off part outside plastic product; Take out the cone tank taking out slide block B (14) top in slide block A (13) and dynamic model in cone boss and the dynamic model of simultaneously cover half slide block B (9) bottom to separate, take out in dynamic model in slide block A (13) and dynamic model and take out the effect lower slider of slide block B (14) at spring A (21) tension force, deviate from the back-off part inside plastic product;
During matched moulds: wedge (10) makes its wedging after contacting with cover half slide block B (9) face with cover half slide block A (8) and resets; cover half slide block A (8) and cover half slide block B (9) conical surface contact and make it location, and the cone boss of cover half slide block B (9) bottom inserts in dynamic model respectively to be taken out slide block A (13) and to contact with face in the cone tank taking out slide block B (14) top in dynamic model and spacing.
CN201310736134.5A 2013-12-29 2013-12-29 A kind of four sides slide block departs from the mechanism of plastic products Active CN103640191B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105500640B (en) * 2015-12-30 2018-07-17 大连銮艺精密模塑制造有限公司 The plastic mould of multi-slide combination forming
CN107775903B (en) * 2017-10-27 2020-03-31 宁波方正汽车模具股份有限公司 Double-slider pitched roof demolding mechanism
CN110153286B (en) * 2019-06-13 2020-07-24 贵州振华华联电子有限公司 Die for forming thin-wall cylindrical part into rectangular part

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013621Y2 (en) * 1982-02-26 1985-05-01
JPH06320584A (en) * 1993-05-14 1994-11-22 Togami Electric Mfg Co Ltd Burr discharging method and device of mold for molding plastic
JPH08142131A (en) * 1994-11-14 1996-06-04 Sharp Corp Injection mold
CN202155975U (en) * 2011-06-25 2012-03-07 富港电子(东莞)有限公司 Molding mold for products with grooves
CN202623183U (en) * 2012-04-12 2012-12-26 富港电子(东莞)有限公司 Injection molding die
CN203637055U (en) * 2013-12-29 2014-06-11 大连銮艺精密模塑制造有限公司 Mechanism for separating slide blocks on all sides from plastic product

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013621Y2 (en) * 1982-02-26 1985-05-01
JPH06320584A (en) * 1993-05-14 1994-11-22 Togami Electric Mfg Co Ltd Burr discharging method and device of mold for molding plastic
JPH08142131A (en) * 1994-11-14 1996-06-04 Sharp Corp Injection mold
CN202155975U (en) * 2011-06-25 2012-03-07 富港电子(东莞)有限公司 Molding mold for products with grooves
CN202623183U (en) * 2012-04-12 2012-12-26 富港电子(东莞)有限公司 Injection molding die
CN203637055U (en) * 2013-12-29 2014-06-11 大连銮艺精密模塑制造有限公司 Mechanism for separating slide blocks on all sides from plastic product

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