CN101376266A - Multi-colour, multi-material high-light injection mold and injection moulding method - Google Patents

Multi-colour, multi-material high-light injection mold and injection moulding method Download PDF

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Publication number
CN101376266A
CN101376266A CNA2008102166326A CN200810216632A CN101376266A CN 101376266 A CN101376266 A CN 101376266A CN A2008102166326 A CNA2008102166326 A CN A2008102166326A CN 200810216632 A CN200810216632 A CN 200810216632A CN 101376266 A CN101376266 A CN 101376266A
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China
Prior art keywords
injection
dynamic
mold
slide block
core rod
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
CNA2008102166326A
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Chinese (zh)
Inventor
王德辉
陈国良
高西成
邹小康
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.)
Shenzhen Skyworth RGB Electronics Co Ltd
Original Assignee
Shenzhen Skyworth RGB Electronics Co Ltd
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 Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Priority to CNA2008102166326A priority Critical patent/CN101376266A/en
Publication of CN101376266A publication Critical patent/CN101376266A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a multicolor multi-material high light injection mold which comprises a fixed mold and a moving mold. At least two sliding ways penetrating the inner cavity of the moving mold are arranged on the wall of the moving mold, mold core sliding blocks in different shapes are arranged on each corresponding sliding way, and a drive device is arranged outside the moving mold and used for pushing the mold core sliding blocks into or out of the inner cavity of the moving mold through the sliding ways. Injection platforms for injecting plastic are arranged outside the fixed mold and correspond to each mold core sliding block when being positioned. The invention further discloses an injection method. According to the requirement of the product, a plurality of sliding blocks can be arranged on the mold, and corresponding auxiliary injection platforms are added to the ordinary injection machine. When in production, through the switching of each sliding block and the preset program of the main injection platforms and the auxiliary platforms, the glue injection is conducted. Besides a multicolor multi-material high light TV set outer shell obtained through the invention, the mold cost and the equipment cost are greatly reduced.

Description

The high-gloss injection mold of polychrome, many materials and injection moulding process
Technical field
The present invention relates to injection mold, relate in particular to the high-gloss injection mold and the injection moulding process of a kind of polychrome, many materials.
Background technology
Since television set came out, the shell of television set nearly all was a single color.In recent years, along with the requirement and change of consumption market as making rapid progress, television sets of other shells of handling through incrustations such as polychrome, many materials more and more are subjected to consumers in general's favor.Like this, capture polychrome, this difficult problem of the high-gloss injection mold of many materials, put numerous electronic enterprise operators in face of.At present, the basic skills that addresses the above problem is design two molds: first mold elder generation injection formed is wanted (for example red, yellow, blueness or the like) product of chromatography, it is used as " mold insert ", through manually putting into second mold, injection mo(u)lding once more.This mode of production major defect is:
(1). need two molds, twice injection moulding can moulding, the production cycle be long, the cost height;
(2). need the injection-moulding device of expensive special use;
(3). scope that can injection moulding is little;
(4). the product orientation precision of being used as " mold insert " is not high, and yields is low.
Summary of the invention
The present invention is in order to solve the technical problem that the injection mold production cycle is long, cost is high and yields is low of existing polychrome, many materials, to provide a kind of cost the low and high polychrome of a cover injection mo(u)lding, the high-gloss injection mold and the injection moulding process of many materials of only needing of quality.
For solving the problems of the technologies described above, a kind of polychrome that the present invention proposes, the high-gloss injection mold of many materials comprise fixed half and moving half.The wall of described dynamic model is provided with the slideway of at least two conducting dynamic model inner chambers, corresponding each bar slideway is provided with difform core rod slide block, and dynamic model also is provided with the drive unit that the core rod slide block can be pushed or releases the dynamic model inner chamber by described slideway outward; Described cover half inject when being provided with corresponding each core rod slide block location outward plastic cement the injection platform.
The injection moulding process of the high-gloss injection mold that utilizes polychrome, many materials that the present invention proposes comprises the following steps:
The core rod slide block is positioned in the inner chamber of dynamic model;
With dynamic model and cover half matched moulds, locking, open the injection platform and plastic cement is injected in the die cavity die sinking after the pressurize;
Start drive unit last core rod slide block ejected, simultaneously next piece core rod slide block is pushed in the inner chamber of dynamic model and locate;
Matched moulds locking, the injection platform of corresponding described core rod slide block the plastic cement of different colours or not the plastic cement of material of the same race inject in the die cavity cooling back die sinking;
Repeat third step and the 4th step;
Injection moulding finishes, and die sinking ejects moulding by the ejecting mechanism on the dynamic model.
The present invention has following advantage compared with the prior art:
1. only need a mold, saved die cost.
2. injection moulding does not need to use expensive special-purpose injection machine in producing, and only needs to increase pair and penetrate platform and hopper on common injection machine, and low for equipment requirements, production cost is also just low naturally.
3. the wide model of injection moulding production range, but the existing technology double-colored shell of injection moulding only, the present invention can be multiple different colours, multiple different material merges, and injection moulding becomes a complete polychrome, many materials, high light shell, but production range of having extended the housing of TV set injection moulding significantly like this.
Description of drawings
The present invention is further illustrated below in conjunction with drawings and Examples, wherein:
Fig. 1 is a mould standby SBR schematic diagram of the present invention;
Fig. 2 and Fig. 3 are the schematic diagram in the Shooting Technique flow process of the present invention.
The specific embodiment
Fig. 1 shows the basic structure of mould preferred embodiment of the present invention, and the high-gloss injection mold of described polychrome, many materials comprises cover half 1 and dynamic model 2.The wall of dynamic model 2 is provided with the slideway (not shown) of at least two conducting dynamic model inner chambers, corresponding each bar slideway is provided with difform core rod slide block.The dynamic model 2 outer drive units that the core rod slide block can be pushed or releases this dynamic model inner chamber by slideway that also are provided with.Cover half 1 outer several injection platforms that inject plastic cement when corresponding each core rod slide block is located that are provided with.Present embodiment, described drive unit are fluid pressure drive device 5.Two slideways are set on the wall of dynamic model 2, then corresponding slideway is provided with the difform first core rod slide block 3 and the second core rod slide block 4.As required, many slideways and the difform core rod slide block of relative set polylith can be set also on dynamic model 2 walls, three, four or five slideways or the like for example are set.The present invention is provided with many slideways and core rod slide block, just can utilize a mold to carry out polychrome, many materials injection moulding production.When described injection platform comprises the corresponding first core rod slide block 3 location, when main injection platform 6 that injection moulding is used and the corresponding second core rod slide block 4 location, the pair injection platform 7 that injection moulding is used.
When injection moulding is produced, usually dynamic model 2 and cover half 1 are separately fixed at common injection machine 8 both sides, utilize mould of the present invention to carry out the method that injection moulding is produced, comprise the following steps:
(1) first core rod slide block 3 is positioned in the inner chamber of dynamic model 3, as shown in Figure 1;
(2) with dynamic model 2 and cover half 1 matched moulds and locking, to open main injection platform 6 the liquid plastic cement of first kind of color is injected in the die cavity, the injection moulding die sinking after the pressurize that finishes sees also Fig. 2;
(3) primer fluid hydraulic driver 5 ejects the first core rod slide block 3, simultaneously the second core rod slide block 4 is pushed in the inner chamber of dynamic model 2 to locate, and sees also Fig. 3;
(4) matched moulds locking, the pair injection platform 7 of the corresponding second core rod slide block 4 is injected the liquid plastic cement of second kind of color or liquid plastic cement not of the same race in the die cavity, and cooling back die sinking saw also Fig. 3 after injection moulding finished;
(5) by the ejecting mechanism (not shown) on the dynamic model 2 moulding is ejected,
(6) primer fluid hydraulic driver 5 ejects the second core rod slide block 4, simultaneously the first core rod slide block 3 is pushed in the inner chamber of dynamic model 2 to locate, and mould resets to standby SBR shown in Figure 1 again.
As required, many slideways and the difform core rod slide block of relative set polylith also can be set on dynamic model 2 walls, dispose a plurality of injection platforms of corresponding core rod slide block and hopper repeating step (3) and step (4) simultaneously, move successively by the program that sets, then utilize a mold just can obtain polychrome, the housing of TV set product of many materials Gao Guang.
On the dynamic model and cover half of mould of the present invention, can several slide blocks be set respectively, on common injection machine, increase corresponding pair simultaneously and penetrate platform and hopper according to the requirement of casing product.By the mutual conversion between each slide block, cooperate the primary and secondary platform of penetrating to carry out the injection injection moulding respectively in the production practices according to the program that sets.The present invention removes can obtain polychrome, outside the high light housing of TV set of many materials, also greatly reduces die cost and equipment cost.

Claims (5)

1. the high-gloss injection mold of a polychrome, many materials, comprise cover half (1) and dynamic model (2), it is characterized in that, the wall of described dynamic model (2) is provided with the slideway of at least two conducting dynamic model inner chambers, corresponding each bar slideway is provided with difform core rod slide block, the outer drive unit that the core rod slide block is pushed or releases this dynamic model inner chamber by described slideway that also is provided with of dynamic model (2); Described cover half (1) is outer inject when being provided with corresponding each core rod slide block location plastic cement the injection platform.
2. the high-gloss injection mold of polychrome as claimed in claim 1, many materials is characterized in that, described dynamic model (2) wall is provided with three, four or five slideways.
3. the high-gloss injection mold of polychrome as claimed in claim 2, many materials is characterized in that, described drive unit is a fluid pressure drive device.
4. the injection moulding process of the high-gloss injection mold of a polychrome, many materials is characterized in that comprising the following steps:
(1) the core rod slide block is positioned in the inner chamber of dynamic model;
(2), open the injection platform and plastic cement is injected in the die cavity die sinking after the pressurize with dynamic model and cover half matched moulds, locking;
(3) start drive unit last core rod slide block ejected, simultaneously next piece core rod slide block is pushed in the inner chamber of dynamic model and locate;
(4) matched moulds locking, the injection platform of corresponding described core rod slide block is injected the plastic cement of different colours or plastic cement not of the same race in the die cavity, cooling back die sinking;
(5) repeating step (3) and (4);
(6) injection moulding finishes, and die sinking ejects moulding by the ejecting mechanism on the dynamic model.
5. injection moulding process as claimed in claim 4 is characterized in that, described drive unit is a fluid pressure drive device.
CNA2008102166326A 2008-09-28 2008-09-28 Multi-colour, multi-material high-light injection mold and injection moulding method Pending CN101376266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008102166326A CN101376266A (en) 2008-09-28 2008-09-28 Multi-colour, multi-material high-light injection mold and injection moulding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008102166326A CN101376266A (en) 2008-09-28 2008-09-28 Multi-colour, multi-material high-light injection mold and injection moulding method

Publications (1)

Publication Number Publication Date
CN101376266A true CN101376266A (en) 2009-03-04

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101607433B (en) * 2009-06-12 2012-03-21 深圳创维-Rgb电子有限公司 Two color injection molding die and injection molding method
CN102794867A (en) * 2011-05-24 2012-11-28 凯达电子(昆山)有限公司 Plastic shaping system
CN103286918A (en) * 2013-05-06 2013-09-11 重庆长安汽车股份有限公司 Three-colour injection moulding method of car light lens and die item thereof
CN103737785A (en) * 2014-01-14 2014-04-23 昆山易昌泰塑胶有限公司 Dual-color injection molding machine with large injection range
CN104070628A (en) * 2014-06-25 2014-10-01 裕克施乐塑料制品(太仓)有限公司 Complete device for producing polyurethane elastomer foaming material
CN104943062A (en) * 2015-04-21 2015-09-30 东莞康佳模具塑胶有限公司 Injection molding method of double-color injection molding part and injection mold used in injection molding method
CN108189311A (en) * 2018-02-02 2018-06-22 江西普拉格电子制品有限公司 Internal frame component injection-moulding device and its method for manufacturing internal frame component

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101607433B (en) * 2009-06-12 2012-03-21 深圳创维-Rgb电子有限公司 Two color injection molding die and injection molding method
CN102794867A (en) * 2011-05-24 2012-11-28 凯达电子(昆山)有限公司 Plastic shaping system
CN102794867B (en) * 2011-05-24 2014-09-17 凯达电子(昆山)有限公司 Plastic shaping system
CN103286918A (en) * 2013-05-06 2013-09-11 重庆长安汽车股份有限公司 Three-colour injection moulding method of car light lens and die item thereof
CN103286918B (en) * 2013-05-06 2015-09-09 重庆长安汽车股份有限公司 A kind of three look injection molding forming methods of vehicle lamp light-distributing mirror and the mould external member of use
CN103737785A (en) * 2014-01-14 2014-04-23 昆山易昌泰塑胶有限公司 Dual-color injection molding machine with large injection range
CN104070628A (en) * 2014-06-25 2014-10-01 裕克施乐塑料制品(太仓)有限公司 Complete device for producing polyurethane elastomer foaming material
CN104943062A (en) * 2015-04-21 2015-09-30 东莞康佳模具塑胶有限公司 Injection molding method of double-color injection molding part and injection mold used in injection molding method
CN108189311A (en) * 2018-02-02 2018-06-22 江西普拉格电子制品有限公司 Internal frame component injection-moulding device and its method for manufacturing internal frame component

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