CN203092913U - Appearance joint line-removed hard plastic-in-soft plastic structure - Google Patents
Appearance joint line-removed hard plastic-in-soft plastic structure Download PDFInfo
- Publication number
- CN203092913U CN203092913U CN 201220609259 CN201220609259U CN203092913U CN 203092913 U CN203092913 U CN 203092913U CN 201220609259 CN201220609259 CN 201220609259 CN 201220609259 U CN201220609259 U CN 201220609259U CN 203092913 U CN203092913 U CN 203092913U
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- CN
- China
- Prior art keywords
- ebonite
- flexible glue
- joint line
- hard plastic
- plastic
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- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides the appearance joint line-removed hard plastic-in-soft plastic structure. The structure is used in a double-color module. The appearance joint line-removed hard plastic-in-soft plastic structure comprises hard plastic and soft plastic, wherein the hard plastic comprises a hard plastic body and a hard plastic joint surface, a plurality of material overflow holes are arranged from the hard plastic joint surface to the hard plastic body; and the soft plastic comprises a soft plastic body and an inserting part which convexly extends from the surface of the soft plastic body, wherein the surface of the soft plastic body is contacted with the joint surface of the hard plastic body, and the inserting part is cooperatively inserted into the material overflow hole. Compared with the prior art, the appearance joint line-removed hard plastic-in-soft plastic structure provided by the utility model is used for leading the cold material of a second jet soft plastic flow tail end into the material overflow hole by arranging the material overflow hole on the first jet hard plastic, so that the problem that the joint line can not be eliminated since the air discharge effect of the soft plastic flow tail end in the double-color module is poor can be solved.
Description
[technical field]
The utility model relates to a kind of structure of plastic cement products, is specifically related to the integrated structure that a kind of flexible glue that can remove the product appearance joint line and ebonite constitute.
[background technology]
Often have joint line on the plastic cement products; joint line is melted material road or the formed fine rule of melted material road above interflow part; not only two are advanced the glue point and can produce joint line; sometimes in addition one advance glue point and also can produce joint line because of the difference of product structure, the direction that joint line produced is all relevant with position, size and the plastic cement flowing temperature of advancing glue point.Yet in the plastic mould manufacturing industry, strict especially to the requirement of outward appearance, it is high minute surface that many product requirement appearance are arranged, and must not have joint line, and when running into this outward appearance product, conventional design is to go into son in the Position Design exhaust of joint line.
During for some double-color mold shaped articles, owing to when second penetrates flexible glue, be first to penetrate ebonite in the male model side of mould, can't go into son for flexible glue designs exhaust, thereby the exhaust effect of flexible glue flow end is not good, joint line can't be eliminated, and sees also Fig. 1 and Fig. 2 illustrates, and is the product 10 of double color mould moulding, many places joint lines 13 can be produced on these product 10 surfaces when described flexible glue 11 is injected die cavity and combined with described ebonite 12, thereby the attractive in appearance of product will be reduced greatly.
In view of this, be necessary to provide a plastic cement products structure, this product structure can solve the problem of product surface formation flexible glue joint line in the double-color mold Shooting Technique in fact.
[summary of the invention]
Therefore, the utility model provides a kind of outward appearance joint line flexible glue bag ebonite structure of removing, to solve the problem that the double color mould product appearance produces joint line.
In order to achieve the above object, the outward appearance joint line flexible glue bag ebonite structure of removing of the present utility model, it is applied in the double-color mold, should remove outward appearance joint line flexible glue bag ebonite structure and comprise:
Ebonite, it comprises ebonite body and ebonite faying face, offers some flashes hole from described ebonite faying face to this ebonite body;
Flexible glue, it comprises flexible glue body and the insertion section that protrudes out from the surface of this flexible glue body, and the surface of described flexible glue body contacts the faying face of described ebonite body, and described insertion section cooperates inserts in the described flash hole.
Preferable, described flash hole is positioned at the flow end of described flexible glue.
Preferable, described ebonite is PC/ABS, described flexible glue is TPU.
Preferable, described to remove outward appearance joint line flexible glue bag ebonite structure be the notebook computer screen outer-border.
Compared to prior art, the utility model removes outward appearance joint line flexible glue bag ebonite structure and opens the flash hole on the ebonite by penetrating first, the second cold burden drainage of penetrating the flexible glue flow end is gone in the flash hole, thereby solution is not good because of the exhaust effect of the flexible glue flow end in the double-color mold, and produces the problem that joint line can't be eliminated.
[description of drawings]
Fig. 1 illustrates and is existing plastic cement products.
Fig. 2 illustrates A-A into Fig. 1 to cutaway view.
Fig. 3 illustrates the schematic diagram that removes outward appearance joint line flexible glue bag ebonite structure into the utility model.
Fig. 4 illustrates B-B into Fig. 3 to cutaway view.
[specific embodiment]
Below in conjunction with accompanying drawing the utility model specific embodiment is described in detail.
See also Fig. 3 and illustrate, be a kind of plastic cement products 100 that removes outward appearance joint line flexible glue bag ebonite structure of the present utility model, this product 100 is the housing of notebook computer screen, and it is applied in the double-color mold, sees also Fig. 4 and illustrates, and the structure of this product 100 comprises:
Ebonite 20, it comprises ebonite body 210 and ebonite faying face 220, offers some flashes hole 230 from described ebonite faying face 220 to this ebonite body 210;
In present embodiment, described flash hole 230 is positioned at the flow end of described flexible glue 300.
In present embodiment, described ebonite 20 is PC/ABS, and described flexible glue 30 is TPU.
During this double-color mold injecting products 100, first nozzle is injected the die cavity aftershaping with ebonite 20, after the die sinking with matched moulds behind the mould Rotate 180 degree, second nozzle is injected flexible glue 30 die cavity that ebonite 20 is arranged, the cold burden of the flow end of flexible glue 30 flows in the flash hole 230 of ebonite 20 moulding simultaneously, avoided the generation joint line, two kinds of back together die sinkings for the second time of forming materials eject the most at last, the utility model is not limited to the housing of notebook computer screen, so long as the product that is made of flexible glue 30 and ebonite 20 all can use structure of the present utility model.
Compared to prior art, the utility model removes outward appearance joint line flexible glue bag ebonite structure and opens the flash hole on the ebonite by penetrating first, the second cold burden drainage of penetrating the flexible glue flow end is gone in the flash hole, thereby solution is not good because of the exhaust effect of the flexible glue flow end in the double-color mold, and produces the problem that joint line can't be eliminated.
Be pointed out that; the utility model is not limited to above-mentioned embodiment; any simple modification, equivalent variations and modification that any those skilled in the art do the foregoing description based on technical solutions of the utility model all fall in the protection domain of the present utility model.
Claims (4)
1. one kind is removed outward appearance joint line flexible glue bag ebonite structure, and it is applied to it is characterized in that in the double-color mold, should remove outward appearance joint line flexible glue bag ebonite structure and comprise:
Ebonite, it comprises ebonite body and ebonite faying face, offers some flashes hole from described ebonite faying face to this ebonite body;
Flexible glue, it comprises flexible glue body and the insertion section that protrudes out from the surface of this flexible glue body, and the surface of described flexible glue body contacts the faying face of described ebonite body, and described insertion section cooperates inserts in the described flash hole.
2. the outward appearance joint line flexible glue bag ebonite structure of removing according to claim 1 is characterized in that described flash hole is positioned at the flow end of described flexible glue.
3. the outward appearance joint line flexible glue bag ebonite structure of removing according to claim 1 is characterized in that described ebonite is PC/ABS, and described flexible glue is TPU.
4. the outward appearance joint line flexible glue bag ebonite structure of removing according to claim 1 is characterized in that, described to remove outward appearance joint line flexible glue bag ebonite structure be the notebook computer screen outer-border.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609259 CN203092913U (en) | 2012-11-19 | 2012-11-19 | Appearance joint line-removed hard plastic-in-soft plastic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609259 CN203092913U (en) | 2012-11-19 | 2012-11-19 | Appearance joint line-removed hard plastic-in-soft plastic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092913U true CN203092913U (en) | 2013-07-31 |
Family
ID=48844352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609259 Expired - Fee Related CN203092913U (en) | 2012-11-19 | 2012-11-19 | Appearance joint line-removed hard plastic-in-soft plastic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203092913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817855A (en) * | 2012-11-19 | 2014-05-28 | 汉达精密电子(昆山)有限公司 | Hard rubber-in-soft rubber structure capable of eliminating outer joint line |
| CN105984076A (en) * | 2015-03-04 | 2016-10-05 | 希姆通信息技术（上海）有限公司 | Double-shot injection moulding shell and injection mold |
| CN110394941A (en) * | 2019-08-02 | 2019-11-01 | 滁州浦珠模塑有限公司 | It is a kind of to solve secondary injection molding product surface method easy to foaming |
-
2012
- 2012-11-19 CN CN 201220609259 patent/CN203092913U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817855A (en) * | 2012-11-19 | 2014-05-28 | 汉达精密电子(昆山)有限公司 | Hard rubber-in-soft rubber structure capable of eliminating outer joint line |
| CN105984076A (en) * | 2015-03-04 | 2016-10-05 | 希姆通信息技术（上海）有限公司 | Double-shot injection moulding shell and injection mold |
| CN110394941A (en) * | 2019-08-02 | 2019-11-01 | 滁州浦珠模塑有限公司 | It is a kind of to solve secondary injection molding product surface method easy to foaming |
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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 |
Granted publication date: 20130731 Termination date: 20161119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |