CN108274703A - Secondary linkage inner core pulling injection mould in small space - Google Patents

Secondary linkage inner core pulling injection mould in small space Download PDF

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Publication number
CN108274703A
CN108274703A CN201810086033.0A CN201810086033A CN108274703A CN 108274703 A CN108274703 A CN 108274703A CN 201810086033 A CN201810086033 A CN 201810086033A CN 108274703 A CN108274703 A CN 108274703A
Authority
CN
China
Prior art keywords
sliding block
core
oblique
guide
pulling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810086033.0A
Other languages
Chinese (zh)
Inventor
钱应平
周业望
周细枝
黄菊花
高创
彭帅
黄晶
王启源
梅建良
高杰
黄维
龚雪丹
易国锋
张�诚
汪强
范国强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University of Technology
Original Assignee
Hubei University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei University of Technology filed Critical Hubei University of Technology
Priority to CN201810086033.0A priority Critical patent/CN108274703A/en
Publication of CN108274703A publication Critical patent/CN108274703A/en
Pending legal-status Critical Current

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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
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005Body finishings
    • B29L2031/3008Instrument panels

Abstract

The present invention discloses secondary linkage inner core pulling injection mould in a kind of small space, including internal core-pulling mechanism, and the internal core-pulling mechanism includes the level-one sliding block group being located at left and right sides of core and is located at core front and rear sides two level sliding block group.It when die sinking, moves after dynamic model part, is opened at mold parting surface, complete undercut core pulling action first.Dynamic model part is moved after continuing, and when reaching certain distance, ejecting mechanism pushes inner primary sliding block group and the movement of two level sliding block group, and first both sides move level-one sliding block group to the left and right, and enough spaces are provided for secondary core extracting;Next, both sides move two level sliding block group forwards, backwards, core pulling action is completed.Moving platen moves after continuing, and under the action of ejection system, thimble is by product from mold ejection.The present invention can accelerate the design process of mold, optimize the structure of internal core-pulling mechanism, and a kind of reliable new method is provided for the complicated die design of multi-direction core pulling.

Description

Secondary linkage inner core pulling injection mould in small space
Technical field
The invention belongs to injection mould technical field, it is related to a kind of injection mould of secondary linkage inner core pulling in small space, it can For the injection molding of fascia.
Background technology
Fascia is part within reach in interior trim, and appearance and function have the evaluation of vehicle level important It influences, therefore the quality of instrument panel die design is extremely important.Fascia be installed in driver's cabin various indicating meters and One assembly of ignition switch, it is complicated, it usually needs in multiple positions, inside and outside core-pulling mechanism, reasonable design vapour are set Vehicle injection mould for instrument panels especially designs unique core-pulling mechanism and slide block structure, ensures the smooth molding and demoulding of plastic, It is the key that mold design work.
Typical core-pulling mechanism has inclined guide pillar core-pulling mechanism and inclined-tip core mechanism, and for external core pulling, generally use is oblique Guide post side core-pulling mechanism can make side core_pulling smoothly be detached from product under the action of inclined guide pillar, complete core pulling action;For inside Core pulling, generally use oblique top side core-drawing mechanism complete core pulling action under the action of ejecting mechanism, inclined guide pillar core-pulling mechanism and Both inclined-tip core mechanisms are non-interference, can use simultaneously.
It for both the above scheme, in small space, is difficult to carry out, especially internal core-pulling mechanism, in movement one After set a distance, sliding block will be collided with plastic, interfere phenomenon, plastic is made to damage;However consider ejection distance and core pulling distance And reduce sliding block or oblique top thickness is possible without and interferes phenomenon, but the rigidity of oblique top and intensity can accordingly reduce, Easy to wear or fracture in production, reliability is not high, should not use.
In consideration of it, how to design reliable and efficient internal core-pulling mechanism becomes an important technical task.
Invention content
The purpose of the present invention is to provide a kind of injection moulds of secondary linkage inner core pulling in small space, in small space It is interior, core pulling action is completed using secondary linkage internal core-pulling mechanism, internal level-one core pulling action, that is, level-one sliding block group is first to both sides Movement, enough spaces are provided for secondary core extracting;Next, secondary core extracting mechanism drives two level sliding block group, core pulling action is completed. The design process that can accelerate mold using the present invention, optimizes the structure of internal core-pulling mechanism, is multi-direction while core pulling complexity Mold design provides a kind of reliable new method.
To achieve the goals above, its technical solution is that:
Secondary linkage inner core pulling injection mould in a kind of small space, including internal core-pulling mechanism, the internal core-pulling mechanism include Level-one sliding block group, two level sliding block group, the guidance set A on dynamic mould fixing plate and the guidance set B on core.
The level-one sliding block group can obliquely upward be moved along the guidance set A with both sides to the left and right when being included in die sinking The sliding block A and slide block B of opening, the sliding block A and the slide block B upper end are symmetrically equipped with groove, the sliding block A and the sliding block B, which is located at, to be connected and composed at left and right sides of core the groove core and the two level sliding block group are limited in interior cavity.
The two level sliding block group includes being located at the sliding block C and sliding block D, the sliding block C and described of core front and rear sides Sliding block D can be moved toward one another after both sides are opened along the guidance set B is oblique to the left and right in the level-one sliding block group.
The secondary linkage inner core pulling injection mould in a kind of above-mentioned small space, the guidance set A include for described The guide part B that the guide part A and the slide block B that sliding block A is oriented to are oriented to;The guidance set B includes being oriented to for the sliding block C Guide part C and the sliding block D be oriented to guide part D.
The secondary linkage inner core pulling injection mould in a kind of above-mentioned small space, the guide part A are equipped with oblique slide guide Slot, the sliding block A are equipped with and the oblique matched convex block of guide runner;Or the sliding block A is equipped with oblique guide runner, it is described Guide part A is equipped with and the oblique matched convex block of guide runner.
The secondary linkage inner core pulling injection mould in a kind of above-mentioned small space, the guide part B are equipped with oblique slide guide Slot, the slide block B are equipped with and the oblique matched convex block of guide runner;Or the slide block B is equipped with oblique guide runner, it is described Guide part B is equipped with and the oblique matched convex block of guide runner.
The secondary linkage inner core pulling injection mould in a kind of above-mentioned small space, the guide part C are oblique guide runner, institute Sliding block C is stated to be equipped with and the oblique matched convex block of guide runner;Or the sliding block C is equipped with oblique guide runner, the guiding Part C be and the oblique matched convex block of guide runner.
The secondary linkage inner core pulling injection mould in a kind of above-mentioned small space, the guide part D are oblique guide runner, institute Sliding block D is stated to be equipped with and the oblique matched convex block of guide runner;Or the sliding block D is equipped with oblique guide runner, the guiding Part D be and the oblique matched convex block of guide runner.
It when die sinking, moves after dynamic model part, is opened at mold parting surface, complete undercut core pulling action first.Dynamic model portion Divide after continuing and move, when reaching certain distance, ejecting mechanism pushes inner primary sliding block group and the movement of two level sliding block group, level-one sliding block First both sides move group to the left and right, and enough spaces are provided for secondary core extracting;Next, secondary core extracting mechanism drives two level sliding block group It is moved to oblique phase, completes core pulling action.Moving platen moves after continuing, and under the action of ejection system, thimble is by product from mold Middle ejection.
Secondary linkage internal core-pulling mechanism in small space used by patent of the present invention, internal core-pulling mechanism have two groups of cunnings Block, first both sides move level-one sliding block group to the left and right, and enough spaces are provided for two level sliding block group;Next, core front and rear sides Two level sliding block group move toward one another, complete core pulling action.It is more adaptable relative to traditional oblique top internal core-pulling mechanism, efficiently Reliably, the inner core pulling problem of small space has been well solved.
Description of the drawings
Fig. 1 is the vertical view of the internal core-pulling mechanism involved in the present invention.
Fig. 2 is the front view of the internal core-pulling mechanism involved in the present invention.
Fig. 3 is the level-one sliding block group front view that both sides are opened to the left and right of the internal core-pulling mechanism involved in the present invention.
Fig. 4 is the level-one sliding block group vertical view that both sides are opened to the left and right of the internal core-pulling mechanism involved in the present invention.
Fig. 5 is the level-one sliding block group stereogram that both sides are opened to the left and right of the internal core-pulling mechanism involved in the present invention.
Fig. 6 is the core three-view diagram with two level sliding block group involved in the present invention.
Fig. 7 is the core stereogram with two level sliding block group involved in the present invention.
Fig. 8 is the mold structure diagram for including secondary linkage internal core-pulling mechanism.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Secondary linkage inner core pulling injection mould in a kind of small space, including internal core-pulling mechanism, internal core-pulling mechanism include level-one Sliding block group 12, two level sliding block group 11, the guidance set A 15 on dynamic mould fixing plate 5 and the guidance set on core 10 B。
Level-one sliding block group 12 can obliquely upward be moved along guidance set A 15 when being included in die sinking and be beaten with both sides to the left and right The sliding block A 12-1 and slide block B 12-2 opened, sliding block A 12-1 and the upper ends slide block B 12-2 are symmetrically equipped with groove 17, sliding block A 12-1 and slide block B 12-2, which is located at 10 left and right sides of core, makes groove 17 connect and compose core 10 and two level sliding block group 11 It is limited in interior cavity.
Two level sliding block group 11 includes being located at the sliding block C 11-1 and sliding block D 11-2, sliding block C of 10 front and rear sides of core The 11-1 and sliding block D 11-2 to the left and right can be along the oblique opposite fortune of guidance set B after both sides are opened in level-one sliding block group 12 It is dynamic.
Guidance set A includes the guide part being oriented to for sliding block A 12-1 the guide part A 15-1 being oriented to and slide block B 12-2 B 15-2;Guidance set B includes the guide part D being oriented to for sliding block C 11-1 the guide part C being oriented to and sliding block D 11-2.
Guide part A 15-1 are equipped with oblique guide runner, and sliding block A 12-1 are equipped with and the matched convex block of oblique guide runner; Or sliding block A 12-1 are equipped with oblique guide runner 12-3, guide part A 15-1 are equipped with and the oblique matched convex blocks of guide runner 12-3 12-4。
Guide part B 15-2 are equipped with oblique guide runner, and slide block B 12-2 is equipped with and the matched convex block of oblique guide runner; Or slide block B 12-2 is equipped with oblique guide runner 12-3, guide part B 15-2 are equipped with and the matched convex block 12-4 of oblique guide runner.
Guide part C is oblique guide runner, and sliding block C 11-1 are equipped with and the matched convex block of oblique guide runner;Or sliding block C 11-1 is equipped with oblique guide runner, and guide part C is and the matched convex block of oblique guide runner.
Guide part D is oblique guide runner, and sliding block D 11-2 are equipped with and the matched convex block of oblique guide runner;Or sliding block D 11-2 is equipped with oblique guide runner, and guide part D is and the oblique matched convex block of guide runner.
The oblique guide runner of above-described embodiment can be T-slot or dovetail groove, can edge with the matched convex block of oblique guide runner Sliding slot slides.
Secondary linkage inner core pulling injection mould further includes fixed clamping plate 1, intermediate plate 2, determines in the small space of above-described embodiment Template 3, dynamic mould fixing plate 5, ejector retainner plate 6, Ejector Retainer Plate 7, locating ring 8, hot runner system 9, outer slide 13, is tiltedly led at moving platen 4 Column 14 and moving clamping plate 16.Locating ring 8 is fixed on fixed clamping plate 1;Hot runner system 9 is arranged in fixed clamping plate 1 and intermediate plate 2 Between;Solid plate 3 is fixed by screws on fixed clamping plate 1;Core 10 is fixed on mode;Guidance set 15 is solid by screw It is scheduled on dynamic mould fixing plate 5;Thimble is fixed between ejector retainner plate 6 and Ejector Retainer Plate 7;Moving platen 4 passes through screw with dynamic mould fixing plate 5 It is connected on moving clamping plate 16;Inclined guide pillar 14 and outer slide 13 constitute side parting core-drawing mechanism, and inclined guide pillar 14 is mounted on cover half On plate 3, outer slide 13 is mounted in the guide runner on moving platen 4.
It when die sinking, moves, is opened at mold parting surface, outer slide 13 is under the action of inclined guide pillar 14, along two after dynamic model part Side is opened, and the core pulling action in outside is completed.Dynamic model part is moved after continuing, and when reaching certain distance, ejecting mechanism pushes internal one Grade sliding block group and the movement of two level sliding block group, level-one sliding block group first moves obliquely upward to be opened with both sides to the left and right, is secondary core extracting Enough spaces are provided;It is moved toward one another next, two level sliding block group is oblique, completes core pulling action.Moving platen moves after continuing, and is pushing up Go out under the action of system, thimble is by product from mold ejection.

Claims (6)

1. secondary linkage inner core pulling injection mould in a kind of small space, which is characterized in that including internal core-pulling mechanism, the inner core pulling Mechanism includes level-one sliding block group, two level sliding block group, the guidance set A on dynamic mould fixing plate and the guiding group on core Part B;
The level-one sliding block group can obliquely upward move when being included in die sinking along the guidance set A to be opened with both sides to the left and right Sliding block A and slide block B, the sliding block A and the slide block B upper end be symmetrically equipped with groove, the sliding block A and the slide block B point It so that the groove is connected and composed and core and the two level sliding block group are limited in interior cavity;
The two level sliding block group includes being located at the sliding block C and sliding block D, the sliding block C and the sliding block D of core front and rear sides It can be moved toward one another to the left and right along the guidance set B is oblique after both sides are opened in the level-one sliding block group.
2. secondary linkage inner core pulling injection mould in a kind of small space according to claim 1, which is characterized in that described to lead Include the guide part B being oriented to for the sliding block A guide part A being oriented to and the slide block B to component A;The guidance set B packets Include the guide part D being oriented to for the sliding block C guide part C being oriented to and the sliding block D.
3. secondary linkage inner core pulling injection mould in a kind of small space according to claim 2, which is characterized in that described to lead It is equipped with oblique guide runner to part A, the sliding block A is equipped with and the oblique matched convex block of guide runner;Or on the sliding block A Equipped with oblique guide runner, the guide part A is equipped with and the oblique matched convex block of guide runner.
4. secondary linkage inner core pulling injection mould in a kind of small space according to claim 2, which is characterized in that described to lead It is equipped with oblique guide runner to part B, the slide block B is equipped with and the oblique matched convex block of guide runner;Or in the slide block B Equipped with oblique guide runner, the guide part B is equipped with and the oblique matched convex block of guide runner.
5. secondary linkage inner core pulling injection mould in a kind of small space according to claim 2, which is characterized in that described to lead It is oblique guide runner to part C, the sliding block C is equipped with and the oblique matched convex block of guide runner;Or the sliding block C is equipped with Oblique guide runner, the guide part C are and the oblique matched convex block of guide runner.
6. secondary linkage inner core pulling injection mould in a kind of small space according to claim 2, which is characterized in that described to lead It is oblique guide runner to part D, the sliding block D is equipped with and the oblique matched convex block of guide runner;Or the sliding block D is equipped with Oblique guide runner, the guide part D are and the oblique matched convex block of guide runner.
CN201810086033.0A 2018-01-29 2018-01-29 Secondary linkage inner core pulling injection mould in small space Pending CN108274703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810086033.0A CN108274703A (en) 2018-01-29 2018-01-29 Secondary linkage inner core pulling injection mould in small space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810086033.0A CN108274703A (en) 2018-01-29 2018-01-29 Secondary linkage inner core pulling injection mould in small space

Publications (1)

Publication Number Publication Date
CN108274703A true CN108274703A (en) 2018-07-13

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843088A (en) * 1972-02-01 1974-10-22 Tupperware Australia Pty Ltd Moulding apparatus
JPS5849228A (en) * 1981-09-17 1983-03-23 Kyowa Kogyo Kk Method of handling undercut in mold
US4378928A (en) * 1980-06-23 1983-04-05 Beatrice Foods Company Molding apparatus
JPS5938032A (en) * 1982-08-27 1984-03-01 Hitachi Ltd Mold for forming mirror cylinder for optical device
US4832307A (en) * 1988-09-15 1989-05-23 Toshiba Kikai Kabushiki Kaisha Injection mold
JPH05147082A (en) * 1991-11-28 1993-06-15 Olympus Optical Co Ltd Mold for bore undercut processing
CN103831952A (en) * 2014-03-20 2014-06-04 苏州鑫荣健身器材有限公司 Automatic core pulling and demolding structure of improved-type outer barrel forming mold
CN205238458U (en) * 2014-08-29 2016-05-18 凯特尔塑料有限公司 Molding core system and injection mold
CN105643879A (en) * 2015-12-31 2016-06-08 Tcl通力电子(惠州)有限公司 Injection mold, injection molding machine and mold opening method for injection molding machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843088A (en) * 1972-02-01 1974-10-22 Tupperware Australia Pty Ltd Moulding apparatus
US4378928A (en) * 1980-06-23 1983-04-05 Beatrice Foods Company Molding apparatus
JPS5849228A (en) * 1981-09-17 1983-03-23 Kyowa Kogyo Kk Method of handling undercut in mold
JPS5938032A (en) * 1982-08-27 1984-03-01 Hitachi Ltd Mold for forming mirror cylinder for optical device
US4832307A (en) * 1988-09-15 1989-05-23 Toshiba Kikai Kabushiki Kaisha Injection mold
JPH05147082A (en) * 1991-11-28 1993-06-15 Olympus Optical Co Ltd Mold for bore undercut processing
CN103831952A (en) * 2014-03-20 2014-06-04 苏州鑫荣健身器材有限公司 Automatic core pulling and demolding structure of improved-type outer barrel forming mold
CN205238458U (en) * 2014-08-29 2016-05-18 凯特尔塑料有限公司 Molding core system and injection mold
CN105643879A (en) * 2015-12-31 2016-06-08 Tcl通力电子(惠州)有限公司 Injection mold, injection molding machine and mold opening method for injection molding machine

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Application publication date: 20180713

RJ01 Rejection of invention patent application after publication