CN102962945A - Plastic piece surface and metal ornament composite seamless primary injection molding and formation process - Google Patents
Plastic piece surface and metal ornament composite seamless primary injection molding and formation process Download PDFInfo
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- CN102962945A CN102962945A CN2012105188978A CN201210518897A CN102962945A CN 102962945 A CN102962945 A CN 102962945A CN 2012105188978 A CN2012105188978 A CN 2012105188978A CN 201210518897 A CN201210518897 A CN 201210518897A CN 102962945 A CN102962945 A CN 102962945A
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Abstract
The invention relates to a plastic piece surface and metal ornament composite seamless primary injection molding and formation process, comprising the following steps of: 1, at first, carrying out three-dimensional high-voltage formation on a sheet material subjected to screen printing, and then carrying out annular punching; 2, placing the printing face of the punched sheet material downward on a manufacturing tool, so as to use the manufacturing tool to position; 3, coating a hot melt adhesive on the back surface of the machined metal ornament, and positioning and adhering the back face of the metal ornament on the front face of the sheet material according to the manufacturing tool; and 4, and placing the adhered sheet material of the metal ornament into an injection molding die for injection molding, namely the surface of a plastic piece and the metal ornament are formed by one-off injection molding in a composite seamless manner. With the adoption of the plastic piece surface and metal ornament composite seamless primary injection molding and formation process provided by the invention, the difficult problem occurring in a binding process of the metal ornament and the surface of the plastic piece is solved; the blank of the process can be filled in; the quality of the surface of the plastic product can be improved; the environment pollution caused by the traditional process can be avoided; the precision and the striking degree of the metal ornament can be highlighted; the entire appearance of the plastic product can be improved; and the powerful technical support can be provided, so that the requirement of the high quality of the product by the market can be met.
Description
Technical field
The present invention relates to the processing method that surface of plastic product is decorated, particularly a kind of plastic rubber member surface and metal decoration composite seamless single injection-molded technique.
Background technology
Along with the extensive use of in-mold decoration processes at modern industry, and the consumer is more and more fastidious to the outward appearance of product, and the manufacturer has also paid attention to more to product appearance, and is seeking hardy the more perfectly manufacture craft of product appearance always.Existing market sell as: the metal decoration (metallic characters, icon) of the electronic products such as notebook computer, mobile phone, PAD is except printing, all be first plastic parts is made paste again behind the groove metal decoration,, metal decoration, periphery and plastic parts certainly lead to the slit like this, and especially out-of-flatness of upper surface, its presentation quality directly has influence on the sale of product.By finding in the market survey that producer is also very dissatisfied to this effect, but can not find better technology.For this reason, for satisfying the market to improving the requirement of product surface quality, explore the more perfect manufacture craft of product appearance and be the problem that technical staff is is over the past two years researching and developing always.
Summary of the invention
In view of defective and deficiency that above-mentioned prior art exists, the present invention has overcome various difficult problems finally through the research more than 2 years and exploration, successfully develops a kind of plastic rubber member surface and metal decoration composite seamless single injection-molded technique.This technique has realized the seamless single injection-molded of inlaying of surface of plastic product and metal decoration based on traditional IML technique, gapless after the simultaneously moulding, and its surface can obtain high-flatness.
The technical scheme that the present invention takes is: a kind of plastic rubber member surface and metal decoration composite seamless single injection-molded technique, it is characterized in that, and may further comprise the steps:
One, at first the sheet material after the serigraphy is carried out three-dimensional high-pressure molding, it is die-cut the sheet material behind the three-dimensional high-pressure molding to be carried out annular again;
Two, with the printing surface of the three-dimensionally shaped sheet material (label) after die-cut towards being placed down on the fixture, with fixture as the location;
Three, will coat PUR through the metal decoration back side that etch process is processed into, stick on the front of three-dimensionally shaped sheet material according to the fixture location;
The injection mold that injection machine is put in the front that four, will paste again the three-dimensionally shaped sheet material of metal decoration carries out injection moulding, namely finishes the seamless single injection-molded of plastic rubber member surface and metal decoration.
The beneficial effect that the present invention produces is: this technique has solved a difficult problem that occurs in plastic rubber member surface is combined at metal decoration at present, thereby filled up the blank of this technique, improved the quality of surface of plastic product, stopped traditional handicraft owing to electroplate the environmental pollution that causes, for the decorative appearance of plastic cement products a very large raising arranged.More given prominence to fineness and the eye-catching degree of metal Logo, metal decoration, the lifting for the overall appearance of plastic cement products provides strong technical support, thus but the satisfying the market demand high-quality to product.
Description of drawings
Fig. 1 is the fixture schematic diagram that adopts positioning metal ornaments of the present invention;
Fig. 2 is the cutaway view that adopts positioning metal ornaments fixture of the present invention;
Fig. 3 adopts processing metal ornaments of the present invention and label position view;
Fig. 4 is the finished product schematic cross-section behind the employing injection molding of the present invention;
Fig. 5 is the finished product schematic perspective view behind the employing injection molding of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing: referring to figs. 1 through Fig. 5, implement this technique, at first according to the appearance and size of the required plastic parts of product and metal decoration processing injection mold and fixture, fixture play the role of positioning at the combination process of three-dimensionally shaped sheet material and metal decoration (seeing Fig. 1 and Fig. 2) wherein.
Embodiment: present embodiment is the decoration (seeing Fig. 3, Fig. 4 and Fig. 5) of making on the phone housing product, takes this technique concrete steps as follows:
One, adopt PC, PET equal thickness after the sheet material of 0.05mm between 0.5mm is according to the printing of traditional silk-screened technique, carry out three-dimensional high-pressure molding processing at high-pressure forming machine, it is die-cut again the sheet material behind the three-dimensional high-pressure molding to be carried out annular at punch press.
See figures.1.and.2, the design size of fixture with die-cut after the size of three-dimensionally shaped sheet material conform to.Fixture comprises base 4, gland 5, leaves resigning hole 6 on the center of gland 5 and be used for to paste the hollow part 7 of metal finishing, and the shape of hollow part 7, size conform to the metal decoration size.
Two, with the printing surface of the three-dimensionally shaped sheet material after die-cut towards being placed down on the base 4 of fixture, cover gland 5, with fixture as the location.
Three, will adopt the sheet material of the thick stainless steel Gao Guang of 0.1mm, wire drawing, dazzle to coat PUR (PST) through the metal decoration back side that etch process is processed into, locate (see figure 3) on the front that sticks on the three-dimensionally shaped sheet material that exposes according to the position of the hollow part 7 on the fixture gland 5.And namely can see label the resigning hole from gland 56, thereby play the positioning action of pasting metal decoration by fixture.
Four, take down fixture gland 5, the injection mold die that injection machine is put in the front that will paste again the three-dimensionally shaped sheet material of metal decoration carries out injection moulding, namely finishes plastic rubber member surface and metal decoration composite seamless single injection-molded.
Therefore the flatness because product surface is had relatively high expectations, has relatively high expectations to the design accuracy of injection mold.One groove (see figure 4) is arranged on the plastic parts 3 after the injection mold injection moulding, and the degree of depth of groove is one of key that obtains the product surface high-flatness with accurate cooperation of three-dimensionally shaped sheet material 2 and metal decoration 1 thickness.During injection moulding, the PUR at metal decoration 1 back side at high temperature will solidify completely, closely bonds together with three-dimensionally shaped sheet material 2.And the slit in the metal decoration 1 and periphery are filled and led up by the plastic cement of high speed, high pressure, high temperature fully.Because in the groove that the three-dimensionally shaped sheet material 2 that high temperature makes metal decoration 1 be integrated with stickup embeds on the plastic parts 3; Make metal decoration 1 surface (see Fig. 4 and Fig. 5) at grade with three-dimensionally shaped sheet material 2 surfaces of its periphery.
The etch process that silk-screen printing technique, three-dimensional high-pressure molding technique, annular clicking technique and the metal decoration that relates to as for three-dimensionally shaped sheet material in this technique relates to all is traditional handicrafts well known in the art, do not need to give unnecessary details at this, those skilled in the art can realize technical scheme of the present invention in conjunction with above-mentioned explanation.
Claims (1)
1. a plastic rubber member surface and metal decoration composite seamless single injection-molded technique is characterized in that, may further comprise the steps:
One, at first the sheet material after the serigraphy is carried out three-dimensional high-pressure molding, it is die-cut the sheet material behind the three-dimensional high-pressure molding to be carried out annular again;
Two, with the printing surface of the three-dimensionally shaped sheet material after die-cut towards being placed down on the fixture, with fixture as the location;
Three, will coat PUR through the metal decoration back side that etch process is processed into, stick on the front of three-dimensionally shaped sheet material according to the fixture location;
The injection mold that injection machine is put in the front that four, will paste again the three-dimensionally shaped sheet material of metal decoration carries out injection moulding, namely finishes plastic rubber member surface and metal decoration composite seamless single injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105188978A CN102962945A (en) | 2012-12-06 | 2012-12-06 | Plastic piece surface and metal ornament composite seamless primary injection molding and formation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105188978A CN102962945A (en) | 2012-12-06 | 2012-12-06 | Plastic piece surface and metal ornament composite seamless primary injection molding and formation process |
Publications (1)
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| CN102962945A true CN102962945A (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105188978A Pending CN102962945A (en) | 2012-12-06 | 2012-12-06 | Plastic piece surface and metal ornament composite seamless primary injection molding and formation process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522485A (en) * | 2013-10-11 | 2014-01-22 | 上海瑞尔实业有限公司 | Method for embedding metal tag into plastic pedestal of central decorative cover of automobile wheel |
| CN103722683A (en) * | 2013-05-27 | 2014-04-16 | 昆山德安模具设计有限公司 | Novel injection molding machine |
| CN109414854A (en) * | 2016-07-07 | 2019-03-01 | 宝理塑料株式会社 | The manufacturing method of resin composite molding |
| CN110884009A (en) * | 2019-10-22 | 2020-03-17 | 厦门迈勒滚塑有限公司 | Forming process of external interface of plastic oil tank |
| CN110978380A (en) * | 2019-12-11 | 2020-04-10 | 东莞市昊通塑胶科技有限公司 | Process for manufacturing seamless combined double-layer or multi-layer decorative surface on surface of plastic shell |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683757A (en) * | 2008-09-25 | 2010-03-31 | 比亚迪股份有限公司 | Forming method and product thereof |
| CN102029683A (en) * | 2010-10-20 | 2011-04-27 | 天津市中环高科技有限公司 | Technology for applying inlaid metal finishing component to in-mold labelling |
-
2012
- 2012-12-06 CN CN2012105188978A patent/CN102962945A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683757A (en) * | 2008-09-25 | 2010-03-31 | 比亚迪股份有限公司 | Forming method and product thereof |
| CN102029683A (en) * | 2010-10-20 | 2011-04-27 | 天津市中环高科技有限公司 | Technology for applying inlaid metal finishing component to in-mold labelling |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722683A (en) * | 2013-05-27 | 2014-04-16 | 昆山德安模具设计有限公司 | Novel injection molding machine |
| CN103522485A (en) * | 2013-10-11 | 2014-01-22 | 上海瑞尔实业有限公司 | Method for embedding metal tag into plastic pedestal of central decorative cover of automobile wheel |
| CN109414854A (en) * | 2016-07-07 | 2019-03-01 | 宝理塑料株式会社 | The manufacturing method of resin composite molding |
| CN109414854B (en) * | 2016-07-07 | 2020-04-24 | 宝理塑料株式会社 | Method for producing resin composite molded article |
| CN110884009A (en) * | 2019-10-22 | 2020-03-17 | 厦门迈勒滚塑有限公司 | Forming process of external interface of plastic oil tank |
| CN110884009B (en) * | 2019-10-22 | 2021-05-25 | 厦门迈勒滚塑有限公司 | Forming process of external interface of plastic oil tank |
| CN110978380A (en) * | 2019-12-11 | 2020-04-10 | 东莞市昊通塑胶科技有限公司 | Process for manufacturing seamless combined double-layer or multi-layer decorative surface on surface of plastic shell |
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Application publication date: 20130313 |