CN204725761U - Two material common mode alternate injection formation system - Google Patents
Two material common mode alternate injection formation system Download PDFInfo
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- CN204725761U CN204725761U CN201420808347.4U CN201420808347U CN204725761U CN 204725761 U CN204725761 U CN 204725761U CN 201420808347 U CN201420808347 U CN 201420808347U CN 204725761 U CN204725761 U CN 204725761U
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- dynamic model
- cover half
- ebonite
- die cavity
- flexible glue
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Abstract
The utility model discloses a kind of two material common mode alternate injection formation system, comprising: the mould that a pair is made up of dynamic model, cover half, a movement can the secondary injection platform of bearing-type and a normal monochrome injection machine.Dynamic model comprises: dynamic model embryo, the moving-mould-core be located in dynamic model embryo, the dynamic model cave be located on moving-mould-core.Cover half comprises: cover half embryo, the cover half core be located in cover half embryo, be side by side up and downly located at ebonite die cavity on cover half core and flexible glue die cavity, and ebonite die cavity and flexible glue die cavity all can coordinate matched moulds with dynamic model cave.Cover half embryo is provided with the chute of thickness with cover half core, width fits, and cover half core is connected with the driving shaft of a peripheral hardware oil cylinder, and this drive shaft cover half core moves up and down along described chute, drive ebonite die cavity, flexible glue die cavity exchange respectively with dynamic model cave matched moulds.The utility model has the two-fold advantage of double color mould and the monochromatic rubber-coating module of tradition concurrently, and die cost is low, efficiency is high.
Description
Technical field
The utility model relates to injection molding apparatus, especially a kind of two material common mode alternate injection formation system.
Background technology
At present, shaping flexible glue bag ebonite product (as manual, electric tool handle etc.) has two kinds of approach substantially, and one is encapsulation process, i.e. two cover dies, twice method of forming; Two is the double-colored machine methods of forming of double color mould.The pluses and minuses of these two kinds of moulds of division below:
First discuss encapsulation process.This is the most traditional is also simple the most general soft or hard glue method for product.This method designs two molds-ebonite mould and soft jelly mould respectively, proceeds in two phases during use, and the first step is with a set of ebonite mould, and with the injection moulding of normal monochrome injection machine, ebonite mould only makes ebonite product; Second step uses a set of soft jelly mould, die cavity upside-down mounting, also uses the injection moulding of normal monochrome injection machine, time shaping, first ebonite semi-finished product put in soft jelly mould die cavity, outwards inject flexible glue part from by turned inside.The thin Jiao Kou of usual three template die, cast gate can offer many places, and can be placed in the middle of product or other is local arbitrarily, and do like this and hard flexible glue can be made fully partial cross-linked, adhesion is high, and appearance does not have cast gate.The advantage of obvious this method is that mould is simple, and injection molding technique is easy, and product appearance is good, and soft or hard glue part adheres power is even.Shortcoming is the secondary mould of exploitation two, and take two equipment two steps shaping respectively, output is low, and scrappage is high, and cost is high.
Besides the double color mould method of forming.This is most popular pair of material forming method instantly, is on a large-scale double-colored machine, once to mold two stock product with a secondary double color mould, and above-mentioned so-called flexible glue bag ebonite product also can do.But limit by Design of Dies and equipment, second penetrates the entrance that namely flexible glue part is shaping can only three kinds of selections: A) on Surface Appearance; B) in product outward flange side; C) slip at product proximate inner edges.Can not enter glue in the many places, middle part, inner side of producing in a word, if take appearance design into account, use cast gate less, then encapsulate adhesion is undesirable again, if multiple spot enters glue in appearance, outward appearance is plain.Another shortcoming is, double-colored board price, and double color mould design is also more complicated, and production product cost is high.On the other hand, board and Design of Dies form are fixed, and limit the flexibility of product or Design of Dies.Advantage is that cover die machine is produced, and efficiency is high, and yields is high.
Therefore, how to design a kind of not only met encapsulated products designing requirement, but also make full use of common board, mould input cost two material common mode alternate injection formation systems that are low, constant product quality are industry technical problem urgently to be resolved hurrily.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of two material common mode alternate injection formation system, this system only need use a secondary mould, technique utilizes existing normal monochrome injection-moulding device simultaneously, can reach in prior art that flexible glue bag ebonite product adhesion power is high, outward appearance good, production efficiency is high, the effect of low die cost.
The technical solution used in the present invention is, a kind of two material common mode substep alternate injection formation system of design, comprising: the mould that a pair is made up of dynamic model, cover half, a secondary injection platform of removable bearing-type and a normal monochrome injection machine.
Dynamic model comprises: dynamic model embryo, the moving-mould-core be located in dynamic model embryo, the dynamic model cave be located on moving-mould-core.Cover half comprises: cover half embryo, the cover half core be located in cover half embryo, be side by side up and downly located at ebonite die cavity on cover half core and flexible glue die cavity, and ebonite die cavity and flexible glue die cavity all can coordinate matched moulds with dynamic model cave.
Cover half embryo is provided with the chute of thickness with cover half core, width fits, and cover half core is connected with the driving shaft of a peripheral hardware oil cylinder, and this drive shaft cover half core moves up and down along described chute, drive ebonite die cavity, flexible glue mould hole position exchange respectively with dynamic model cave matched moulds.
Wherein, in cover half embryo, be provided with ebonite sprue, in dynamic model embryo, be provided with flexible glue sprue; The ebonite die cavity side of described cover half core is provided with ebonite runner, and ebonite die cavity is connected in ebonite runner one end, the other end connects sprue; When described ebonite die cavity and dynamic model cave matched moulds, ebonite runner docks with ebonite sprue just.
The moving-mould-core back side is provided with ejector retainner plate, is provided with Flexible glue runner plate between moving-mould-core and ejector retainner plate, and Flexible glue runner plate is provided with flexible glue runner, and what moving-mould-core is evenly placed with connection dynamic model cave enters glue cast gate.The flexible glue sprue that one end connects into glue cast gate, the other end connects dynamic model embryo of described flexible glue runner, the main cast gate of dynamic model embryo is arranged on the top of Flexible glue runner plate in dynamic model embryo.Runner on runner plate can want decentralized design by cast gate number needs, to reach the multi-point equispaced object of cast gate.
Preferably, be provided with at least one group short glue vent needle and long glue vent needle in ebonite die cavity, during matched moulds, short glue vent needle and dynamic model cave are touched and are worn, and are provided with the through hole coordinated with long glue vent needle in described dynamic model cave, during matched moulds described long glue vent needle and through hole inserted through, through hole is communicated with flexible glue runner.
Inside die joint, is designed to some rectangular gear shapes or swallowtail shape in ebonite die cavity, rectangular gear or dovetail touch with dynamic model die joint and wear, during shaping ebonite, at ebonite die joint along outward flange formation square type or dovetail groove.
Preferably, hard, flexible glue die cavity is respectively equipped with independently cooling water channel.
Preferably, the secondary injection platform of removable bearing-type is positioned at above dynamic model cave, and pair is penetrated platform and is fixed on a gantry support, and gantry support is fixed on ground across normal monochrome injection machine, and the control section that pair penetrates platform stands on ground, convenient operation.When flexible glue die cavity and dynamic model cave matched moulds, injection is carried out in the nozzle descending connection dynamic model cave of the secondary injection platform of mobile bearing-type.
Compared with prior art, the utility model beneficial effect is as follows:
1, cover half is made up of flexible glue die cavity and ebonite die cavity, and two die cavitys can move in the same way under hydraulic oil cylinder driving guide rail guiding.When one injection and shaping ebonite, ebonite die cavity moves to can die-closed position with dynamic model, shaping complete die sinking after, then move to another side, soft jelly mould die cavity is placed in and dynamic model die-closed position, realizes two and penetrates namely that flexible glue is shaping.
2, Flexible glue runner is rear-mounted waters a decentralized design more: product centre position, flexible glue dynamic model side multiple spot enters glue, and runner plate divergence expression multiple location flexible design, had both added cast gate quantity, and can evenly arrange again.Sizing material is from inside to outside through long plastic pin hole filling inside aforementioned half product, and after filling, flexible glue and ebonite semi-finished product are cross-linked and interlock.So both decrease the length of flow of flexible glue, turn increase the adhesion between hard flexible glue, because front mould does not have cast gate, protect again the appearance of flexible glue.
3, minute hand and hour hand design in cover half ebonite die cavity: in ebonite die cavity, centre arranges one or more long plastic pin, and dynamic model manufactures through hole in cave, this through hole can be used as two Flexible glue runner when penetrating simultaneously, during matched moulds therewith through hole to Chuanfeng's glue; Equally also be provided with one or several hour hand in ebonite die cavity, these short plastic pins then touch with dynamic model and wear.After shaping, these long and short hands then form corresponding through hole on semi-finished product, during shaping flexible glue, form flexible glue and are interspersed among ebonite, interconnected interlocking, increase bonding force.
4, ebonite die cavity becomes rectangular gear shape or swallowtail shape design inside die joint: become in ebonite die cavity and be designed to rectangular gear shape or swallowtail shape inside die joint, rectangular gear or dovetail and dynamic model die joint touch to be worn, during shaping ebonite, form square type or dovetail groove at ebonite die joint along outward flange.
5, bearing-type moving sets injection platform fixed mode: the secondary injection platform of overhead; it is fixed on above mould; above can realizing dynamic model or cover half side, cast gate is established in any position; several secondary injection platforms are also installed simultaneously; realize the injection of many materials common mode, for product design and production technology provide great possibility and flexibility.Also save hold facility hall space simultaneously.
The utility model has the two-fold advantage of double color mould and the monochromatic rubber-coating module of tradition concurrently, has again lower mould development cost and drops into, the production model of greater efficiency.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail, wherein:
Fig. 1 is the generalized section of fixed and moving mould matched moulds;
Fig. 2 is the floor map of dynamic model;
Fig. 3 is the floor map of cover half.
Detailed description of the invention
As shown in Figure 1, the two material common mode alternate injection formation systems that the utility model proposes, comprising: the mould that a pair is made up of dynamic model 1, cover half 2, and a movement can the secondary injection platform of bearing-type and a normal monochrome injection machine.
In the present embodiment, dynamic model is located at left side, and right side is located at by cover half.As shown in Figure 1, 2, dynamic model 1 comprises: dynamic model embryo 11, the moving-mould-core 12 be located in dynamic model embryo 11, the dynamic model cave 13 be located on moving-mould-core 12.As shown in Figure 1,3, cover half 2 comprises: cover half embryo 21, the cover half core 22 be located in cover half embryo 21, be side by side up and downly located at ebonite die cavity 23 on cover half core 22 and flexible glue die cavity 24, and ebonite die cavity 23 and flexible glue die cavity 24 all can coordinate matched moulds with dynamic model cave 13.
Cover half embryo 21 is provided with the chute of thickness with cover half core 22, width fits, cover half core 22 is connected with the driving shaft of a peripheral hardware oil cylinder 3, this drive shaft cover half core 22 moves up and down along chute, drive ebonite die cavity 23, flexible glue die cavity 24 exchange respectively with dynamic model cave 13 matched moulds.For the ease of sliding up and down of cover half core 22, can arrange slide rail 4 in chute, cover half core 22 back side arranges the slide block coordinated with slide rail 4, ensures that cover half core 22 moves up and down accurate, smooth and easy by slide rail, slide block.
Be provided with ebonite sprue 25 in cover half embryo 21, in dynamic model embryo 11, be provided with flexible glue sprue 14; The ebonite die cavity side of cover half core 22 is provided with ebonite runner 26, and ebonite die cavity 23 is connected in ebonite runner 26 one end, the other end connects flexible glue sprue 25.When ebonite die cavity 23 and dynamic model cave 13 matched moulds, ebonite runner 26 docks with ebonite sprue 25 just.In the present embodiment, ebonite sprue 25 is arranged on the middle part of cover half embryo 21, one die cavity of ebonite when penetrating 23 and dynamic model cave 13 matched moulds, ebonite runner 26 docks with ebonite sprue 25, two die cavitys of ebonite when penetrating 23 move, flexible glue die cavity 24 and dynamic model cave 13 matched moulds, flexible glue die cavity 24 does not arrange ebonite runner, ebonite sprue 25 is closed, and dynamic model side flexible glue enters glue.In the present embodiment, be provided with ebonite runner plate 29 between cover half core 22 and chute, ebonite sprue 25 is made up of the runner be communicated in ebonite runner plate 29 and cover half embryo 21, and slide rail is arranged on ebonite runner plate 26, and slide block is arranged on cover half core 22 back side.
Moving-mould-core 12 back side is provided with ejector retainner plate 15, Flexible glue runner plate 16 is provided with between moving-mould-core 12 and ejector retainner plate 15, Flexible glue runner plate 16 is provided with flexible glue runner 17, what moving-mould-core 13 is evenly placed with connection dynamic model cave 13 enters glue cast gate 18, runner on Flexible glue runner plate can want decentralized design by cast gate number needs, to reach the multi-point equispaced object of cast gate.The flexible glue sprue 14 that one end connects into glue cast gate 18, the other end connects dynamic model embryo 11 of flexible glue runner 17, the main cast gate of dynamic model embryo 11 is arranged on the top of dynamic model embryo 11.Flexible glue runner is rear-mounted waters a decentralized design more, namely decreases the length of Flexible glue runner, turn increases the adhesion between soft or hard glue.
At least one group short glue vent needle 27 and long glue vent needle 28 is provided with in ebonite die cavity 23, during matched moulds, short glue vent needle 28 touches with dynamic model cave 13 and wears, be provided with the through hole coordinated with long glue vent needle 28 in dynamic model cave 13, matched moulds duration glue vent needle 28 and through hole inserted through, through hole is communicated with flexible glue runner 17.The object designing short glue vent needle 27 and long glue vent needle 28 is, increases the bonding force between soft or hard glue, improves the quality of moulding.Inside die joint, is designed to rectangular gear shape or swallowtail shape in ebonite die cavity 23, rectangular gear or dovetail touch with dynamic model die joint and wear, during shaping ebonite, at ebonite die joint along outward flange formation square type or dovetail groove.During shaping flexible glue, flexible glue is filled to above-mentioned square type or dovetail groove, reaches and divides flexible glue ebonite staggered interlocking object on type end side at product.
Preferably, hard, flexible glue die cavity is respectively equipped with independently cooling water channel.
The secondary injection platform of mobile bearing-type is positioned at above dynamic model cave 13, and pair is penetrated platform and is fixed on a gantry support, and gantry support is fixed on ground across normal monochrome injection machine, and the control section that pair penetrates platform stands on ground, convenient operation.When flexible glue die cavity 24 and dynamic model cave 13 matched moulds, injection is carried out in the nozzle descending connection dynamic model cave 13 of the secondary injection platform of mobile bearing-type.Put on radiation Jiao Tai, above can realizing dynamic model or cover half side, cast gate is established in any position, and in the present embodiment, flexible glue cast gate is arranged on dynamic model side, in practical application, also can install the secondary injection platform of multiple stage simultaneously, realize the injection of many materials common mode, use very flexible.
Concrete process of injection molding is as follows, and one to penetrate ebonite shaping, ebonite die cavity 23, dynamic model cave 13 matched moulds, and the ebonite runner 26 at ebonite die cavity 23 back side docks with ebonite sprue 25, and injection machine injects ebonite to ebonite sprue 25, shapingly completes die sinking; Peripheral hardware oil cylinder 3 pulls cover half core 22, switches flexible glue die cavity 24 and dynamic model cave 13 matched moulds, now, penetrates platform and return, die sinking after secondary injection platform descending connection flexible glue sprue 14, two penetrates shaping completing, and then takes out finished goods and Flexible glue runner glue.Carry out next circulation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. pair material common mode alternate injection formation system, comprising: the mould that a pair is made up of dynamic model, cover half, and movement can the secondary injection platform of bearing-type and a normal monochrome injection machine; It is characterized in that,
Described dynamic model comprises: dynamic model embryo, the moving-mould-core be located in dynamic model embryo, the dynamic model cave be located on moving-mould-core;
Described cover half comprises: cover half embryo, the cover half core be located in cover half embryo, be side by side up and downly located at ebonite die cavity on cover half core and flexible glue die cavity, and described ebonite die cavity and flexible glue die cavity all can coordinate matched moulds with dynamic model cave;
Described cover half embryo is provided with the chute of thickness with cover half core, width fits, described cover half core is connected with the driving shaft of a peripheral hardware oil cylinder, this drive shaft cover half core moves up and down along described chute, drive ebonite die cavity, flexible glue die cavity exchange respectively with dynamic model cave matched moulds.
2. two material common mode alternate injection formation system as claimed in claim 1, is characterized in that, be provided with ebonite sprue, be provided with flexible glue sprue in dynamic model embryo in described cover half embryo; The ebonite die cavity side of described cover half core is provided with ebonite runner, and ebonite die cavity is connected in ebonite runner one end, the other end connects ebonite sprue; When described ebonite die cavity and dynamic model cave matched moulds, ebonite runner docks with ebonite sprue just.
3. two material common mode alternate injection formation system as claimed in claim 2, it is characterized in that, the described moving-mould-core back side is provided with ejector retainner plate, Flexible glue runner plate is provided with between moving-mould-core and ejector retainner plate, Flexible glue runner plate is provided with flexible glue runner, what moving-mould-core is evenly placed with connection dynamic model cave enters glue cast gate, and the flexible glue sprue that one end connects into glue cast gate, the other end connects dynamic model embryo of described flexible glue runner, the main cast gate of dynamic model embryo is arranged on the top of dynamic model embryo.
4. two material common mode alternate injection formation system as claimed in claim 2, it is characterized in that, at least one group short glue vent needle and long glue vent needle is provided with in described ebonite die cavity, during matched moulds, described short glue vent needle and dynamic model cave are touched and are worn, the through hole coordinated with long glue vent needle is provided with in described dynamic model cave, during matched moulds described long glue vent needle and through hole inserted through, described through hole is communicated with flexible glue runner.
5. two material common mode alternate injection formation system as claimed in claim 1, it is characterized in that, inside die joint, rectangular gear shape or swallowtail shape is designed in ebonite die cavity, rectangular gear or dovetail and dynamic model die joint touch to be worn, during shaping ebonite, form square type or dovetail groove at ebonite die joint along outward flange.
6. material common mode alternate injection formation system as claimed in claim 1 two, is characterized in that, described hard, flexible glue die cavity is respectively equipped with independently cooling water channel.
7. two material common mode alternate injection formation system as claimed in claim 1, it is characterized in that, the secondary injection platform of removable carrying is positioned at above dynamic model cave, and when flexible glue die cavity and dynamic model cave matched moulds, injection is carried out in the nozzle descending connection dynamic model cave of the secondary injection platform of mobile bearing-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808347.4U CN204725761U (en) | 2014-12-19 | 2014-12-19 | Two material common mode alternate injection formation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808347.4U CN204725761U (en) | 2014-12-19 | 2014-12-19 | Two material common mode alternate injection formation system |
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| CN204725761U true CN204725761U (en) | 2015-10-28 |
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| CN201420808347.4U Expired - Fee Related CN204725761U (en) | 2014-12-19 | 2014-12-19 | Two material common mode alternate injection formation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965765A (en) * | 2016-05-13 | 2016-09-28 | 义乌市惠洁地毯有限公司 | Injection molding process for coating TPE (Thermo Plastics Elastomer) |
| CN109760269A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of double-colored secondary injection holder structure in right angle |
-
2014
- 2014-12-19 CN CN201420808347.4U patent/CN204725761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965765A (en) * | 2016-05-13 | 2016-09-28 | 义乌市惠洁地毯有限公司 | Injection molding process for coating TPE (Thermo Plastics Elastomer) |
| CN109760269A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of double-colored secondary injection holder structure in right angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20171219 |