CN103640189B - A kind of mould deviating from plastic products by dovetail groove and spring mechanism - Google Patents
A kind of mould deviating from plastic products by dovetail groove and spring mechanism Download PDFInfo
- Publication number
- CN103640189B CN103640189B CN201310736132.6A CN201310736132A CN103640189B CN 103640189 B CN103640189 B CN 103640189B CN 201310736132 A CN201310736132 A CN 201310736132A CN 103640189 B CN103640189 B CN 103640189B
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- China
- Prior art keywords
- mold insert
- dovetail groove
- insert
- guide pad
- face
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
Abstract
Deviate from a mould for plastic products by dovetail groove and spring mechanism, belong to thermoplastic molding's mould applications.It is characterized in that, mould bases comprises: determine Bottom clamp plate, runner ejection plate, determine moving platen, square iron etc., internal structure comprises: fixed die insert, dovetail groove mold insert, forked tail platform mold insert, guide pad, shouldered tap bolt A and B, spring A and B etc.Dovetail groove mold insert and forked tail platform mold insert are that face coordinates to be connected by dovetail and plays spacing and guide effect, forked tail platform mold insert and fixed die insert are that hanging platform is connected, guide pad and guide pad fixed block are that face coordinates, during die sinking, dovetail groove mold insert slides along dovetail direction, under the effect of spring B tension force, forked tail platform mold insert laterally slides simultaneously, deviates from plastic product back-off part; During matched moulds, dovetail groove mold insert slides along dovetail direction, promotes forked tail platform mold insert simultaneously and laterally slides and reset.Deviate from the back-off part in plastic products by dovetail groove and spring mechanism, simplify mould structure, save die space, enhance productivity.
Description
Technical field
The invention belongs to thermoplastic plastics shaping mould applications, relate to a kind of mould deviating from plastic products by dovetail groove and spring mechanism, be mainly used in plastic product complicated shape and have in the mould of back-off.
Background technology
At present for the plastic product of some outward appearance Shell-Class, need during assembling product that plastic product such as inscription plate or button etc. is installed and form an entirety, product such as inscription plate and button etc. is mostly Transparent Parts, so to the section difference of the good looking appearance of housing, installed surface with install the gap needed for coordinating and have higher requirement, be provided with back-off part so need to install in the hole of other working of plastics or groove at shell class plastic product.
At present for there being the mould of back-off to realize by taking out slide block in tunnel type cover half in complicated shape, utilize in tunnel type cover half and take out the shaping back-off part of slider head, the blind hole of processing tunnel formula in insert is needed to place the body of slide block, Angle Pin or the hook leg of guide runner are arranged in the template beyond insert, this kind of mould structure takes up room greatly, processing difficulties, assemble loaded down with trivial details, there will be the problems such as the difficult adjustment of burr section difference, improve die cost, high and require high to shaping tonnage and clamp force to the dimensional requirement of mould.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of mould deviating from plastic products by dovetail groove and spring mechanism, solves the problem having back-off in plastic product complicated shape, makes the smooth demoulding of product and reaches the object of technical requirement.
Technical scheme of the present invention is, the mould bases of this mould comprises: top clamping plate 1, runner ejection plate 2, solid plate 3, moving platen 4, square iron 5, face needle plate 6, end needle plate 7 and Bottom clamp plate 8, and internal structure comprises: fixed die insert 9, dovetail groove mold insert 10, forked tail platform mold insert 11, guide pad 12, shouldered tap bolt A13, shouldered tap bolt B14, moving die insert 15, spring A16, spring B 17, guide pad fixed block 18, stop collar 19, jackscrew 20, cover half mold insert 21, push rod 22.
Inner connecting way is: dovetail groove mold insert 10 is square mold insert and is provided with dovetail groove, inclined-plane, parallel two face directly and square boss, wherein dovetail groove and forked tail platform mold insert 11 to be connected by dovetail for face coordinates and to play spacing and guide effect, inclined-plane with fixed die insert 9 for face coordinates, serve the effect of spacing wedging, parallel two face directly to contact with fixed die insert 9 and play position-limiting action, dovetail groove mold insert 10 body with guide pad 12 for face coordinates, the square convex at dovetail groove mold insert 10 top coordinates with the four sides, square cave of guide pad 12, serve spacing effect, and pass through bolt-locking,
Forked tail platform mold insert 11 is square mold insert and is provided with forked tail platform, hanging platform, two facing directly of paralleling, and forked tail platform mold insert 11 is connected for hanging platform with fixed die insert 9, and parallel two face directly with fixed die insert 9 as face coordinates and spacing; Shouldered tap bolt B14 cover has spring B 17, and by stop collar 19, is threaded and locks with forked tail platform mold insert 11, and stop collar 19 and cover half mold insert 21 are joined merga pass jackscrew 20 for face and located;
Guide pad 12 with guide pad fixed block 18 for face coordinates, four faces of guide pad 12 coordinate with the die cavity inner surface of guide pad fixed block 18 slides, play spacing and guide effect, shouldered tap bolt A13 cover has spring A16 and fixed die insert 9 screw-threaded coupling also fixing, spring A16 and guide pad 12, fixed die insert 9 coordinate for face and play position-limiting action, guide pad fixed block 18 with fixed die insert 9 for face coordinates, by bolt-locking, guide pad fixed block 18 is connected by hanging platform with solid plate 3, and be that face coordinates and spacing with the die cavity of solid plate 3, pass through bolt-locking; Fixed die insert 9 and solid plate 3 to coordinate and spacing for face, pass through bolt-locking;
During die sinking, under the effect of spring A16 tension force, guide pad 12 separates with fixed die insert 9, guide pad 12 drives the dovetail groove mold insert 10 of locking with it to slide along dovetail direction, while dovetail groove mold insert 10 slides, the inclined-plane that dovetail groove mold insert 10 contacts with fixed die insert 9 separates, position-limiting action is cancelled, and under the effect of spring B 17 tension force, forked tail platform mold insert 11 laterally slides simultaneously, deviates from plastic product back-off part;
During matched moulds, runner ejection plate 2 contacts pusher action-oriented block 12 with guide pad 12 and slides, the dovetail groove mold insert 10 be connected with guide pad 12 slides along dovetail direction, final contact of incline plane with fixed die insert 9 also resets, and promotes forked tail platform mold insert 11 transverse direction and slides and resets while dovetail groove mold insert 10 slides.
The invention has the beneficial effects as follows: achieve deviating from of back-off in plastic product complicated shape by the Combination application of dovetail groove and spring mechanism, simplify mould structure, save die space, 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 the complete die sinking of this mold mechanism.
Fig. 4 is the schematic diagram of this mold mechanism dovetail groove die sinking.
In figure: 1 top clamping plate; 2 runner ejection plates; 3 solid plates; 4 moving platens; 5 square iron; 6 needle plates; 7 end needle plates; 8 Bottom clamp plates; 9 fixed die inserts; 10 dovetail groove mold inserts; 11 forked tail platform mold inserts; 12 guide pads; 13 shouldered tap bolt A; 14 shouldered tap bolt B; 15 moving die inserts; 16 spring A; 17 spring B; 18 guide pad fixed blocks; 19 stop collars; 20 jackscrews; 21 cover half mold inserts; 22 push rods.
Detailed description of the invention
The specific embodiment of invention is described in detail below in conjunction with technology word and accompanying drawing.
The assembling of dovetail groove and spring mechanism in mould, dovetail groove mold insert 10 is allocated in guide pad 12, by bolt-locking, guide pad 12 is allocated in guide pad fixed block 18, with bolt, guide pad fixed block 18 is tightly locked on solid plate 3, shouldered tap bolt A13 puts spring A16 again through guide pad 12, and the screw thread of shouldered tap bolt A13 head is fixed on fixed die insert 9; Spring B 17 is assemblied on cover half mold insert 21, cover half mold insert 21, stop collar 19 and forked tail platform mold insert 11 are assemblied on fixed die insert 9, shouldered tap bolt B14 through stop collar 19 and spring B 17 with forked tail platform mold insert 11 for being threaded and fixing, dovetail groove mold insert 10 is connected by dovetail groove with forked tail platform mold insert 11, and stop collar 19 and cover half mold insert 21 face are joined merga pass jackscrew 20 and located.
During die sinking, flick in the flows by action road push pedal 2 of spring tension and solid plate 3, top clamping plate 1 and runner ejection plate 2 are separately, solid plate 3 and dynamic plate 4 of touching separate, under the effect of spring A16 tension force, guide pad 12 separates with fixed die insert 9, guide pad 12 drives the dovetail groove mold insert 10 of locking with it to slide along dovetail direction, while dovetail groove mold insert 10 slides, the inclined-plane that dovetail groove mold insert 10 contacts with fixed die insert 9 separates, position-limiting action is cancelled, under the effect of spring B 17 tension force, forked tail platform mold insert 11 laterally slides simultaneously, deviate from plastic product back-off part (see figure 4), push rod 22 moves with coplanar needle plate 6, eject plastic product (see figure 3).
During matched moulds, runner ejection plate 2 contacts pusher action-oriented block 12 with guide pad 12 and slides, the dovetail groove mold insert 10 be connected with guide pad 12 slides along dovetail direction, the contact of incline plane of final and fixed die insert 9 also resets, promote forked tail platform mold insert 11 while dovetail groove mold insert 10 slides laterally slide and reset, fixed die insert 9 contacts with moving die insert 15, and solid plate 3 and dynamic plate 4 of touching contact (see figure 1), and matched moulds is complete.
Claims (1)
1. deviate from the mould of plastic products by dovetail groove and spring mechanism for one kind, the mould bases of this mould comprises: top clamping plate (1), runner ejection plate (2), solid plate (3), moving platen (4), square iron (5), face needle plate (6), end needle plate (7) and Bottom clamp plate (8), internal structure comprises: fixed die insert (9), dovetail groove mold insert (10), forked tail platform mold insert (11), guide pad (12), shouldered tap bolt A(13), shouldered tap bolt B(14), moving die insert (15), spring A(16), spring B (17), guide pad fixed block (18), stop collar (19), jackscrew (20), cover half mold insert (21), push rod (22),
It is characterized in that: inner connecting way is, dovetail groove mold insert (10) is for square mold insert and be provided with dovetail groove, inclined-plane, parallel two face directly and square boss, wherein dovetail groove and forked tail platform mold insert (11) to be connected by dovetail for face coordinates and to play spacing and guide effect, inclined-plane with fixed die insert (9) for face coordinates, serve the effect of spacing wedging, parallel two face directly to contact with fixed die insert (9) face and play position-limiting action, dovetail groove mold insert (10) body with guide pad (12) for face coordinates, the square convex at dovetail groove mold insert (10) top coordinates with the four sides, square cave of guide pad (12), serve spacing effect, and pass through bolt-locking,
Forked tail platform mold insert (11) is for square mold insert and be provided with forked tail platform, hanging platform, two facing directly of paralleling, and forked tail platform mold insert (11) is connected for hanging platform with fixed die insert (9), and parallel two face directly with fixed die insert (9) as face coordinates and spacing; Shouldered tap bolt B(14) cover has spring B (17), and by stop collar (19), is threaded with forked tail platform mold insert (11) and locks, and stop collar (19) and cover half mold insert (21) are joined merga pass jackscrew (20) for face and are located;
Guide pad (12) with guide pad fixed block (18) for face coordinates, four faces of guide pad (12) coordinate with the die cavity inner surface of guide pad fixed block (18) slides, play spacing and guide effect, shouldered tap bolt A(13) cover has spring A(16) fixing with fixed die insert (9) screw-threaded coupling, spring A(16) and guide pad (12), fixed die insert (9) coordinates for face and plays position-limiting action, guide pad fixed block (18) with fixed die insert (9) for face coordinates, by bolt-locking, guide pad fixed block (18) is connected by hanging platform with solid plate (3), and be that face coordinates and spacing with the die cavity of solid plate (3), pass through bolt-locking, fixed die insert (9) and solid plate (3) to coordinate and spacing for face, pass through bolt-locking,
During die sinking, at spring A(16) guide pad (12) separates with fixed die insert (9) under tension force effect, guide pad (12) drives the dovetail groove mold insert (10) of locking with it to slide along dovetail direction, while dovetail groove mold insert (10) slides, the inclined-plane that dovetail groove mold insert (10) contacts with fixed die insert (9) separates, position-limiting action is cancelled, and under spring B (17) tension force effect, forked tail platform mold insert (11) laterally slides simultaneously, deviates from plastic product back-off part;
During matched moulds, runner ejection plate (2) contacts pusher action-oriented block (12) with guide pad (12) face and slides, the dovetail groove mold insert (10) be connected with guide pad (12) slides along dovetail direction, final contact of incline plane with fixed die insert (9) also resets, and promotes forked tail platform mold insert (11) transverse direction and slides and resets while dovetail groove mold insert (10) slides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736132.6A CN103640189B (en) | 2013-12-29 | 2013-12-29 | A kind of mould deviating from plastic products by dovetail groove and spring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736132.6A CN103640189B (en) | 2013-12-29 | 2013-12-29 | A kind of mould deviating from plastic products by dovetail groove and spring mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103640189A CN103640189A (en) | 2014-03-19 |
| CN103640189B true CN103640189B (en) | 2015-12-09 |
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| CN201310736132.6A Active CN103640189B (en) | 2013-12-29 | 2013-12-29 | A kind of mould deviating from plastic products by dovetail groove and spring mechanism |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107932848B (en) * | 2015-03-04 | 2021-01-15 | 佛山市希得科技有限公司 | Secondary demolding mechanism mold for concave product with dovetail groove and using method of secondary demolding mechanism mold |
| CN109466031A (en) * | 2018-12-26 | 2019-03-15 | 天津瑞福天科模具有限公司 | A kind of sprue mold insert rollback stripper apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268067Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Injection mold with mechanical linking secondary loose core mechanism |
| CN102615792A (en) * | 2012-04-16 | 2012-08-01 | 苏州经贸职业技术学院 | Plastic mold fixed die slanting internal thread core pulling mechanism |
| CN203637105U (en) * | 2013-12-29 | 2014-06-11 | 大连銮艺精密模塑制造有限公司 | Mould for ejecting plastic products by virtue of dovetail slot and spring mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5114618B2 (en) * | 2007-12-26 | 2013-01-09 | 株式会社ソディック | Molding equipment for injection compression molding |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268067Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | Injection mold with mechanical linking secondary loose core mechanism |
| CN102615792A (en) * | 2012-04-16 | 2012-08-01 | 苏州经贸职业技术学院 | Plastic mold fixed die slanting internal thread core pulling mechanism |
| CN203637105U (en) * | 2013-12-29 | 2014-06-11 | 大连銮艺精密模塑制造有限公司 | Mould for ejecting plastic products by virtue of dovetail slot and spring mechanism |
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| CN103640189A (en) | 2014-03-19 |
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