CN102079124B - Ventilator hood injection mould - Google Patents
Ventilator hood injection mould Download PDFInfo
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- CN102079124B CN102079124B CN 200910189557 CN200910189557A CN102079124B CN 102079124 B CN102079124 B CN 102079124B CN 200910189557 CN200910189557 CN 200910189557 CN 200910189557 A CN200910189557 A CN 200910189557A CN 102079124 B CN102079124 B CN 102079124B
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Abstract
The invention relates to a ventilator hood injection mould, comprising a hard glue feed-in port and a soft glue feed-in port which are arranged on the mould, a hard glue channel and a soft glue channel which guide hard glue and soft glue to flow from respective feed-in port into cavities of the mould respectively, a hard glue cavity and a soft glue cavity which are reserved for hard glue moulding and soft glue moulding respectively, sliding block components the front ends of which have the same shape with the soft glue cavity, and a displacement space reserved for the sliding block components to advance to close the room of the soft glue cavity and retreat to give the room of the soft glue cavity. The sliding block components comprise a back die insert block the front of which has the same surface shape with the soft glue cavity, a sliding block which is driven by an oil cylinder, and an oblique wedge which is connected with the back die insert block and enables the back die insert block to be driven by the sliding block. The injection mould of the invention realizes the functions which can only be achieved by a bicolor injection mould, and avoids the following faults: a bicolor injection mould needs large occupied space owing to rotation, and possesses long moulding period. Simultaneously, the bottleneck that the bicolor injection mould can only produce small components is overcome, and bicolor injection moulding of large-scale automobile fittings is achieved, so the injection mould of the invention embodies new expansion and try of bicolor injection.
Description
Technical field
The present invention relates to a kind of injection mold, more particularly, relate to a kind of injection mold of ventilator hood.
Background technology
Ventilator hood is to be used for fixedly rain brush and the plastic fittings that seals windshield and front cover gap before the windshield, its top is positioned at windshield bottom makes rain brush rotate around the lower end with the fixing lower end of rain brush, the bottom seals between windshield and front cover, the top of therefore playing fixation is generally the ebonite material, and the bottom that seals is adopted the flexible glue material usually.This just requires this plastic part to adopt during fabrication the Shooting Technique of energy moulding bi-material.
At present, the injection molding forming method of two or more plastic material of energy moulding is mainly double-shot moulding.
Double-shot moulding technique commonly used has two kinds, and a kind of is that two die cavitys are arranged, and utilizes rotating mechanism that half-formed plastic is rotated 180 degree in another die cavity, and two procedures can be carried out respectively simultaneously; Another kind is to only have a die cavity, and half-formed plastic rotates 180 degree together with mould, and is fairly simple in the design.Double-shot moulding is compared with monochromatic injection moulding, maximum characteristics are to allow to utilize various materials to produce, also have simultaneously the advantages such as the functional and aesthetics that improves product, shortening molding cycle, be applied at goods such as phone housing, tableware, handle for tool, watchcase, telephone outer shell and buttons at present.
But there are two shortcomings in existing double-shot moulding, the one, and the double-shot moulding equipment cost is expensive, normally 2～3 of common injection machine times even higher; The 2nd, because double-shot moulding needs rotation, therefore usually be only applicable to the production of micro plastic products.
And the accessory size of automotive ventilation device cover is wide more than 0.3 meter usually all at long 1.5 meters, if therefore adopt existing double-shot moulding explained hereafter, equipment cost is very large, and floor space and space also can be larger simultaneously, are unfavorable for the needs of actual production.If but do not adopt double-shot moulding technique and adopt traditional secondary operations namely to make first half-formed plastic and then take out and put into another die cavity and continue injection moulding, two kinds of plastic materials are easily sticking and insecure, and half-formed plastic takes out surface quality and dimensional accuracy that process can affect product.
Therefore, the reliable automotive ventilation device of quality of production cover moulding, need to improve existing double-shot moulding equipment.
Summary of the invention
The technical problem to be solved in the present invention is, for produce the defective that automotive ventilation device cover moulding cost is high, take up space with existing rotary double coloured plastic injection machine, provides a kind of bicolor injection mould of producing automotive ventilation device cover.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of bicolor injection mould of producing automotive ventilation device cover, comprise the ebonite charging aperture that is arranged on the mould and flexible glue charging aperture, guide ebonite and flexible glue to flow to ebonite runner and flexible glue runner in the mold cavity, keep for the ebonite die cavity of ebonite moulding and keep for the flexible glue die cavity of flexible glue moulding from charging aperture separately respectively, and the front end slide block assembly identical with the soft-glue cavity shape, keep for the slide block assembly forward/back to move to seal/abdicate the displacement space in the space of flexible glue die cavity.
In the injection mold of ventilator hood of the present invention, described slide block assembly comprises that the front end surface shape rear mold identical with the flexible glue die cavity inserted, oil cylinder, by the slide block of hydraulic oil cylinder driving, connect the wedge that rear mold is inserted it is driven by slide block.
In the injection mold of ventilator hood of the present invention, the front end of described wedge is T shape piece, and the described rear mold rear end face relevant position of inserting offers T-slot, and described T shape piece inserts in the T-slot rear mold inserted and advances or withdraw from.
In the injection mold of ventilator hood of the present invention, described rear mold is inserted and one is had four, and its front end surface forms the side view of flexible glue die cavity jointly, and four rear molds are inserted and pulled out by slide block simultaneously, and the space that front end reserves forms the flexible glue die cavity.
In the injection mold of ventilator hood of the present invention, also comprise the second slide block assembly that front end is identical with the ebonite cavity shape.
In the injection mold of ventilator hood of the present invention, described rear mold is inserted and is sealed the flexible glue die cavity, and the minimizing overlap best clearance of its front end face and mould inner wall is 0.015～0.02mm.
In the injection mold of ventilator hood of the present invention, described rear mold has locating hole in inserting, be equipped with in the hole be convenient to rear mold insert between the location guide pillar.
Implement the injection mold of ventilator hood of the present invention, have following beneficial effect: the present invention has realized the function that bicolor injection mould could be realized with a mold, avoided the bicolor injection mould rotation to cause the occupation of land space large, the defective that molding cycle is long, saved simultaneously the cost of rotating mechanism, overcoming bicolor injection mould and can only produce the bottleneck of small parts, finished the double-shot moulding of full-sized car accessory, is expansion and the trial new to double-shot moulding.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 (a), 1 (b) and 1 (c) are respectively ebonite, flexible glue and the overall structure schematic diagrames of ventilator hood product of the present invention;
Fig. 2 is the structural representation of all first slide block assemblies of injection mold of ventilator hood of the present invention;
Fig. 3 is one of them the structural representation in first slide block assembly shown in Figure 2;
Fig. 4 is the endface position schematic diagram that rear mold is inserted after the injection mo(u)lding of ebonite part;
Fig. 5 is the endface position schematic diagram that mould is inserted before and after the injection moulding flexible glue part.
The specific embodiment
The invention provides the bicolor injection mould of a kind of manufacturing ventilator hood as shown in Figure 1, ventilator hood is made of ebonite and two kinds of materials of flexible glue, then ventilator hood is divided into ebonite part 1 and flexible glue part 2 according to different local material differences, shown in Fig. 1 (a), Fig. 1 (b), what Fig. 1 (c) illustrated is the structure of whole ventilator hood respectively.
For ebonite part 1 and flexible glue part 2 are distinguished moulding, preferably, be provided with the flexible glue charging aperture of the ebonite charging aperture of injection ebonite and injection flexible glue on the mould, guide ebonite and flexible glue to flow to ebonite runner and flexible glue runner in the mold cavity, keep for the ebonite die cavity of ebonite moulding ebonite part and keep for the flexible glue die cavity of flexible glue moulding flexible glue part from charging aperture separately respectively, and front end first slide block assembly identical with the soft-glue cavity shape, keep for the slide block assembly forward/back to move to seal/abdicate the displacement space in the space of flexible glue die cavity.
As shown in Figure 2, four altogether of the first slide block assemblies in the present embodiment, each includes, and rear mold inserts 110, wedge 130, slide block 120 and oil cylinder 140.Wherein, four rear molds insert 110 the common shape that forms of front end face with the flexible glue die cavity, also be that the flexible glue end surface shape partly of ventilator hood is identical, insert 110 the back side of rear mold respectively has a wedge 130 to be connected with it.
The concrete structure of wedge 130 as shown in Figure 3, it is T shape piece 131 with rear mold 110 ends that are connected of inserting, 110 relevant position offers the T-slot of T shape piece 131 form fit and rear mold is inserted.T shape piece 131 inserts in the T-slots, and the respective face in the inclined-plane of its both sides and the T-slot is fitted, and inserts in 110 from forming a Wedge insertion rear mold, and the promotion rear mold is inserted and 110 moved inward or rear mold inserted and 110 outwards retract.
The other end of wedge 110 is connected with slide block 120, inserts and 110 moves thereby oil cylinder 140 band movable sliders 120 drive rear molds by wedge 130.
Insert and 110 pull out when four oil cylinders 140 drive four rear molds simultaneously, then the rear mold space that reserves between 110 front ends and the mould inner wall of inserting has namely formed the flexible glue die cavity.Ebonite die cavity in the present embodiment can form by the second slide block assembly, and wherein, the front end face of the second slide block assembly is identical with a side end face shape of ebonite part, and cooperates by the inwall with the mould respective shapes, can form the ebonite die cavity.
In order to reduce overlap, with rear mold insert between 110, best clearance when rear mold is inserted 110 sealing flexible glue die cavity between itself and the mould inner wall is 0.015～0.02mm.In addition, rear mold is inserted between 110 and to be had a plurality of locating holes on the side of contact, is placed with guide pillar in it, the positioning and guiding between 110 so that rear mold is inserted.
When adopting the injection mold of ventilator hood of the present invention to come injection mo(u)lding, different from traditional secondary operations, it does not need moulding taken out first puts into another die cavity quadric injection mould again; Also different from traditional double-color mold, it need not rotating mechanism, and moulding need not upset.Its injection moulding process such as Fig. 4, shown in Figure 5 comprise following step:
1) along displacement space default in the mould, utilize oil cylinder 140 to drive, the first slide block assembly is advanced inwards, be adjacent to mould inner wall, thereby with the sealing of flexible glue die cavity, advance distance is 3mm in the present embodiment;
2) from the ebonite charging aperture to ebonite runnerless injection ebonite, ebonite moulding in the ebonite die cavity, the ebonite part of formation ventilator hood, the ebonite material is PP in the present embodiment, as shown in Figure 4, this moment, insert 110 end face 111 of rear mold was concordant with ebonite end face 112 partly;
3) by oil cylinder 140 the first slide block assembly is outwards retracted, in this enforcement for retracting 3mm, thereby abdicate the flexible glue die cavity, as shown in Figure 5, the end face 112 of the end face 111 of the first slide block assembly and ebonite part is apart from 3mm;
4) from the flexible glue charging aperture to flexible glue runnerless injection flexible glue, flexible glue moulding in the flexible glue die cavity, and some and ebonite part are bonding, form whole ventilator hood, the flexible glue material is TPE in the present embodiment;
5) injection moulding is finished, and takes out the ventilator hood moulding.
Adopt the injection mold of ventilator hood of the present invention, the moulding that must take out that has overcome secondary operations on the one hand carries out injection moulding again, makes moulding surface quality and the affected defective of precision, overcome again simultaneously that traditional bicolor injection mould must be equipped with rotating mechanism, makes that cost is high, complex structure, the defective such as large takes up room, only by simple common slide block structure, just effectively solved the injection moulding problem of two kinds of different plastic materials, for the bicolor injection mould large scale development has been done once new trial and exploration.
Claims (5)
1. the injection mold of a ventilator hood, described ventilator hood is made by ebonite and flexible glue bi-material, it is characterized in that, comprise the ebonite charging aperture and the flexible glue charging aperture that are arranged on the mould, guide respectively ebonite and flexible glue to flow to ebonite runner and flexible glue runner in the mold cavity from ebonite charging aperture and flexible glue charging aperture, keep for the ebonite die cavity and the flexible glue die cavity of keeping for the flexible glue moulding of ebonite moulding, and front end first slide block assembly identical with the soft-glue cavity shape, keep for described the first slide block assembly to advance/go out mobile displacement space with the space of sealing/abdicate the flexible glue die cavity;
Described the first slide block assembly comprises that the front end face shape rear mold identical with the flexible glue die cavity inserted (110), oil cylinder (140), the slide block (120) that is driven by oil cylinder (140), connect the rear mold wedge (130) that (110) make it be driven by slide block (120) of inserting;
Described rear mold is inserted and (110) one is had four, and its front end surface forms the side view of flexible glue die cavity jointly, four rear molds insert (110) pulled out by slide block (120) simultaneously, the space that front end reserves forms the flexible glue die cavity;
The gap that described rear mold is inserted between (110) is 0.015～0.02mm.
2. the injection mold of ventilator hood according to claim 1, it is characterized in that, the front end of described wedge (130) is T shape piece (131), described rear mold (110) the rear end face relevant position of inserting offers T-slot, and described T shape piece (131) inserts in the T-slot rear mold inserted (110) and advances or withdraw from.
3. the injection mold of ventilator hood according to claim 1 is characterized in that, also comprises the second slide block assembly that front end is identical with the ebonite cavity shape.
4. the injection mold of ventilator hood according to claim 2 is characterized in that, described rear mold (110) sealing flexible glue die cavity of inserting, and the minimizing overlap best clearance of its front end face and mould inner wall is 0.015 ~ 0.02mm.
5. the injection mold of each described ventilator hood is characterized in that according to claim 1 ~ 3, and described rear mold has locating hole in inserting, be equipped with in the hole be convenient to rear mold insert between the location guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189557 CN102079124B (en) | 2009-11-26 | 2009-11-26 | Ventilator hood injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910189557 CN102079124B (en) | 2009-11-26 | 2009-11-26 | Ventilator hood injection mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102079124A CN102079124A (en) | 2011-06-01 |
| CN102079124B true CN102079124B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910189557 Active CN102079124B (en) | 2009-11-26 | 2009-11-26 | Ventilator hood injection mould |
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Families Citing this family (12)
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|---|---|---|---|---|
| CN104339519B (en) * | 2013-08-08 | 2017-01-04 | 青岛佳友模具科技有限公司 | A kind of injection molding forming method of the double material plastic of soft or hard glue |
| CN104669536A (en) * | 2013-12-02 | 2015-06-03 | 苏州市吴中区临湖俊峰机械厂 | Plastic mold for molding right side cover of condenser |
| CN104669534A (en) * | 2013-12-02 | 2015-06-03 | 苏州市吴中区临湖俊峰机械厂 | Left side cover molding plastic rubber mold of condenser |
| CN104002432A (en) * | 2014-06-17 | 2014-08-27 | 泰德兴精密电子（昆山）有限公司 | Overmold mold capable of conducting flexible glue wrapping |
| CN104859090A (en) * | 2015-04-17 | 2015-08-26 | 滁州市杰伦特模具塑胶有限公司 | Automobile windshield wiper grille molding method and injection mold for implementing method |
| CN106335151B (en) * | 2016-11-07 | 2018-10-30 | 东莞华南设计创新院 | A kind of auto parts machinery mold |
| CN107471535A (en) * | 2017-07-25 | 2017-12-15 | 常熟德柯塑料制品有限公司 | A kind of processing technology of interlayer injecting products |
| CN108177307A (en) * | 2017-12-29 | 2018-06-19 | 台州市黄岩金马泰模具有限公司 | Bicolor injection mould edge of a knife sealing quadric injection mould mechanism |
| CN110549548A (en) * | 2019-08-27 | 2019-12-10 | 宁波米勒模具制造有限公司 | Double-color injection mold and molding method |
| CN112388908B (en) * | 2020-10-19 | 2022-06-21 | 宁波方正汽车模具股份有限公司 | Double-color mold short-knife-edge injection molding structure |
| CN112829207B (en) * | 2020-12-31 | 2022-06-21 | 宁波方正汽车模具股份有限公司 | Double-color injection mold |
| CN114290617B (en) * | 2022-01-10 | 2024-09-03 | 宁波方正汽车模具股份有限公司 | Injection mold for engine cover plate |
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| JP2000052377A (en) * | 1998-08-11 | 2000-02-22 | Japan Steel Works Ltd:The | Method for molding product made of two materials and mold for molding |
| DE20309384U1 (en) * | 2003-06-16 | 2003-09-11 | Müller Formenbau GmbH, 66687 Wadern | Multi-component injection molding tool for molding soft and hard components onto a prefabricated part, has two transport systems for movement of molding cassettes moved into, around and out of the tool |
| JP2005262846A (en) * | 2004-03-22 | 2005-09-29 | Gifu Plast Ind Co Ltd | Method for molding injection-molded product with hinge and injection mold assembly |
| CN201179712Y (en) * | 2008-02-27 | 2009-01-14 | 英济股份有限公司 | Dual-color dual-material jet apparatus |
| CN201573321U (en) * | 2009-11-26 | 2010-09-08 | 群达模具(深圳)有限公司 | Injection mold of ventilator hood |
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2009
- 2009-11-26 CN CN 200910189557 patent/CN102079124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000052377A (en) * | 1998-08-11 | 2000-02-22 | Japan Steel Works Ltd:The | Method for molding product made of two materials and mold for molding |
| DE20309384U1 (en) * | 2003-06-16 | 2003-09-11 | Müller Formenbau GmbH, 66687 Wadern | Multi-component injection molding tool for molding soft and hard components onto a prefabricated part, has two transport systems for movement of molding cassettes moved into, around and out of the tool |
| JP2005262846A (en) * | 2004-03-22 | 2005-09-29 | Gifu Plast Ind Co Ltd | Method for molding injection-molded product with hinge and injection mold assembly |
| CN201179712Y (en) * | 2008-02-27 | 2009-01-14 | 英济股份有限公司 | Dual-color dual-material jet apparatus |
| CN201573321U (en) * | 2009-11-26 | 2010-09-08 | 群达模具(深圳)有限公司 | Injection mold of ventilator hood |
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| Publication number | Publication date |
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| CN102079124A (en) | 2011-06-01 |
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Address after: 518000, 1st floor, building B, QunDa Industrial Park, No. 9, Baolong 1st Road, Longgang District, Shenzhen City, Guangdong Province Patentee after: KUNDA MOLD (SHENZHEN) Co.,Ltd. Address before: 518112 No. 6, Bantian Avenue, Bantian street, Longgang District, Guangdong, Shenzhen Patentee before: KUNDA MOLD (SHENZHEN) Co.,Ltd. |
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