CN103029306A - Making method of carbon fiber housing - Google Patents
Making method of carbon fiber housing Download PDFInfo
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- CN103029306A CN103029306A CN2011103043382A CN201110304338A CN103029306A CN 103029306 A CN103029306 A CN 103029306A CN 2011103043382 A CN2011103043382 A CN 2011103043382A CN 201110304338 A CN201110304338 A CN 201110304338A CN 103029306 A CN103029306 A CN 103029306A
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- hot pressing
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Abstract
The invention relates to a making method of a carbon fiber housing, which comprises the following steps of: 1, stacking a thermoplastic resin impregnated carbon fiber base material into a laminar structure; 2, covering a thermoplastic film on the surface of the carbon fiber base material, placing the carbon fiber base material in a hot pressing mould; 3, heating the hot pressing mould to reach a melting temperature of thermoplastic resin or film, assembling the mould to form a product; and 4, after forming, cooling the hot pressing mould and opening the mould for taking the product out. According to the making method of the carbon fiber housing, carbon fibers are impregnated in the thermoplastic resin, and then is heated in the hot pressing mould in a multilayer stacking mode to form the product; and the thermoplastic film is coated on the outer layer of the carbon fiber base material, and thus the defects of air holes and cracks on the surface of the product are effectively reduced, the surface defect is reduced, and the strength of the product is improved.
Description
[technical field]
The present invention relates to a kind of electronic product casing preparation method, be specifically related to the fine shell preparation method of a kind of carbon.
[background technology]
Day by day pursue people in the situation of high-quality life, the consumer more and more pays close attention to moulding and the exterior decorative effect of 3C Product, and the development trend of 3C Product is to slimming, lightweight and high rigidity future development, and therefore, carbon fibre composite is taken seriously gradually.
General carbon fiber is to contain epoxy resin dipping with fiber, it is slightly had after the stickiness, then in mould, molded the shape of product through high temperature and high pressure in the Multilayer stack mode, yet the shortcoming of the method be hardening time long and surface the blemish such as bubble and crackle are arranged, this blemish descends intensity and need to grind through mending soil when subsequent paint, so that expends a large amount of manpowers, increases and makes difficulty, yield is low, can't scale of mass production.
[summary of the invention]
In view of above problem, the purpose of this invention is to provide the fine shell preparation method of a kind of carbon, the fine shell preparation method of this carbon can be improved the blemish such as the pore of product surface and crackle, and improves its intensity.
In order to achieve the above object, the fine shell preparation method of carbon of the present invention, it may further comprise the steps:
(1) carbon fiber base material with the impregnation thermoplastic resin is stacked into layer structure;
(2) with above-mentioned carbon fiber base material surface coverage thermoplastic film, and put it in the hot pressing die;
(3) hot pressing die is heated to the melt temperature of above-mentioned thermoplastic resin or thermoplastic film, and the matched moulds shaped article;
(4) after the moulding, product is taken out in hot pressing die cooling and die sinking.
Especially, the thermoplastic resin in the above-mentioned steps (1) is PC or PMMA or PA or ABS or PC/ABS.
Especially, the material of the thermoplastic film in the above-mentioned steps (2) is PC or PMMA or PA or ABS or PC/ABS.
Especially, the thickness of the thermoplastic film in the above-mentioned steps (2) is 0.1～2mm.
Especially, comprise in the above-mentioned steps (3) that step is heated to the glass transition temperature of thermoplastic resin or thermoplastic film with hot pressing die after, temperature continues to be increased to the melt temperature of thermoplastic resin or thermoplastic film.
Especially, the temperature that hot pressing die heats in the above-mentioned steps (3) is at 70～200 ℃.
Especially, the rear temperature of hot pressing die cooling is lower than 60 ℃ in the above-mentioned steps (4).
Compared to prior art, the fine shell preparation method of carbon of the present invention, by carbon fiber impregnation thermoplastic resin, then with the Multilayer stack mode shaped article of in hot pressing die, being heated, the fine shell preparation method of this carbon is at the outer cover heating plastic films of the fine base material of carbon, effectively reduce pore and the crackle of product surface, reduced blemish, and improved the intensity of product.
[description of drawings]
Fig. 1 illustrates the flow chart of the fine shell preparation method of carbon of the present invention.
Fig. 2 illustrates the cutaway view of the product casing of finishing with the fine shell preparation method of carbon of the present invention.
[specific embodiment]
For purpose of the present invention, method step and function are had further understanding, hereby cooperate accompanying drawing to be described in detail as follows:
Embodiment 1
Step 101: get the carbon fiber base material 100 of impregnation thermoplastic resin, this carbon fiber base material 100 is looked product needed and be can be single or multiple lift, and the different angles storehouse becomes layer structure together, is processed into 12 cun shapes that notebook computer casing is required;
Step 102: thermoplastic film 200 adopts the PC film, this PC film is made into 12 cun shapes that notebook computer casing is required, at first the PC film is put into the orlop of hot pressing die die, then in hot pressing die, put into the carbon fiber base material 100 of above-mentioned impregnation thermoplastic resin, cover the PC film at these carbon fiber base material 100 upper surfaces;
Step 103: hot pressing die is heated to 100 ℃ of matched moulds shaped articles, after soon hot pressing die is heated to the glass transition temperature of thermoplastic resin or PC film, continues to be warmed up to the melt temperature of thermoplastic resin or PC film;
Step 104: after the formed product, hot pressing die is cooled to about 50 ℃ and product is taken out in die sinking.
Via the fine shell of the carbon of above-mentioned steps generation, see also cutaway view structure shown in Figure 2, its upper strata and lower floor are thermoplastic film 200--PC film, the centre is carbon fiber base material 100, thermoplastic film 200 is covered in the fine substrate surface 100 of this carbon, and the two is combined as a whole to make it through heating mode, this thermoplastic film 100 covered carbon fiber base material 200 surfaces such as bubble or defects i.e.cracks, make the outward appearance of product neat, and outward appearance neatly make things convenient for the outward appearance of subsequent product to process.
Embodiment 2
Step 201: get the carbon fiber base material 100 of impregnation thermoplastic resin, this carbon fiber base material 100 is looked product needed and be can be single or multiple lift, and the different angles storehouse becomes layer structure together, is processed into 13.3 cun shapes that notebook computer shell is required;
Step 202: thermoplastic film 200 adopts the PC/ABS film, this PC/ABS film is made into 13.3 cun shapes that notebook computer shell is required, at first the PC/ABS film is put into the orlop of hot pressing die die, then in hot pressing die, put into the carbon fiber base material 100 of above-mentioned impregnation thermoplastic resin, cover the PC/ABS film at these carbon fiber base material 100 upper surfaces;
Step 203: hot pressing die is heated to 75 ℃ of matched moulds shaped articles, after soon hot pressing die is heated to the glass transition temperature of thermoplastic resin or PC/ABS film, continues to be warmed up to the melt temperature of thermoplastic resin or PC/ABS film;
Step 204: after the formed product, hot pressing die is cooled to about 45 ℃ and product is taken out in die sinking.
Via the fine shell of the carbon of above-mentioned steps generation, see also cutaway view structure shown in Figure 2, its upper strata and lower floor are thermoplastic film 200--PC/ABS film, the centre is carbon fiber base material 100, thermoplastic film 200 is covered in this carbon fiber base material 100 surfaces, and the two is combined as a whole to make it through heating mode, this thermoplastic film 200 covered carbon fiber base material 100 surfaces such as bubble or defects i.e.cracks, make the outward appearance of product neat, strengthen the intensity of product appearance, and outward appearance makes things convenient for neatly the outward appearance of subsequent product to process.
The fine shell preparation method of carbon of the present invention not only can be used for computer casing, can also be applied in other electronic products such as handset shell.Be pointed out that, the invention is not restricted to above-mentioned embodiment, any simple modification, equivalent variations and modification that any those skilled in the art do above-described embodiment based on technical solution of the present invention all fall within the scope of protection of the present invention.
Claims (7)
1. the fine shell preparation method of carbon is characterized in that, the fine shell preparation method of this carbon may further comprise the steps:
(1) carbon fiber base material with the impregnation thermoplastic resin is stacked into layer structure;
(2) with above-mentioned carbon fiber base material surface coverage thermoplastic film, and put it in the hot pressing die;
(3) hot pressing die is heated to the melt temperature of above-mentioned thermoplastic resin or thermoplastic film, and the matched moulds shaped article;
(4) after the moulding, product is taken out in hot pressing die cooling and die sinking.
2. the fine shell preparation method of carbon according to claim 1 is characterized in that the thermoplastic resin in the above-mentioned steps (1) is PC or PMMA or PA or ABS or PC/ABS.
3. the fine shell preparation method of carbon according to claim 1 is characterized in that the material of the thermoplastic film in the above-mentioned steps (2) is PC or PMMA or PA or ABS or PC/ABS.
4. according to claim 1 or the fine shell preparation methods of 3 described carbon, it is characterized in that the thickness of thermoplastic film is 0.1～2mm in the above-mentioned steps (2).
5. the fine shell preparation method of carbon according to claim 1, it is characterized in that, after comprising in the above-mentioned steps (3) that step is heated to the glass transition temperature of thermoplastic resin or thermoplastic film with hot pressing die, temperature continues to be increased to the melt temperature of thermoplastic resin or thermoplastic film.
6. the fine shell preparation method of carbon according to claim 1 or 5 is characterized in that the temperature of hot pressing die heating is 70～200 ℃ in the above-mentioned steps (3).
7. the fine shell preparation method of carbon according to claim 1 is characterized in that, the rear temperature of hot pressing die cooling is lower than 60 ℃ in the above-mentioned steps (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103043382A CN103029306A (en) | 2011-10-10 | 2011-10-10 | Making method of carbon fiber housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103043382A CN103029306A (en) | 2011-10-10 | 2011-10-10 | Making method of carbon fiber housing |
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| CN103029306A true CN103029306A (en) | 2013-04-10 |
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| CN2011103043382A Pending CN103029306A (en) | 2011-10-10 | 2011-10-10 | Making method of carbon fiber housing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175567A (en) * | 2013-05-28 | 2014-12-03 | 汉达精密电子(昆山)有限公司 | Carbon fiber treatment method and product thereof |
| CN104228293A (en) * | 2013-06-19 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Production method of fiber sheet material and fiber sheet material produced by adopting method |
| CN106541562A (en) * | 2015-09-18 | 2017-03-29 | 汉达精密电子(昆山)有限公司 | The preparation method of thermoplastic material product and its corresponding product |
| CN107650364A (en) * | 2017-11-10 | 2018-02-02 | 厦门耐能电子科技有限公司 | A kind of carbon fibre material wear-type audiovisual and the thermo forming technique of communication apparatus housing |
| WO2018191941A1 (en) * | 2017-04-21 | 2018-10-25 | 杨志祥 | Fiber composite material manufacturing method |
| CN109843535A (en) * | 2016-06-17 | 2019-06-04 | 本田技研工业株式会社 | The manufacturing method and manufacturing device of thermoplas tic resin composite |
| CN111452443A (en) * | 2019-01-18 | 2020-07-28 | 汉达精密电子(昆山)有限公司 | Light notebook computer shell and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175567A (en) * | 2013-05-28 | 2014-12-03 | 汉达精密电子(昆山)有限公司 | Carbon fiber treatment method and product thereof |
| CN104228293A (en) * | 2013-06-19 | 2014-12-24 | 深圳富泰宏精密工业有限公司 | Production method of fiber sheet material and fiber sheet material produced by adopting method |
| CN104228293B (en) * | 2013-06-19 | 2017-11-10 | 深圳富泰宏精密工业有限公司 | The preparation method of fibrous plate and through fibrous plate made from this method |
| CN106541562A (en) * | 2015-09-18 | 2017-03-29 | 汉达精密电子(昆山)有限公司 | The preparation method of thermoplastic material product and its corresponding product |
| CN109843535A (en) * | 2016-06-17 | 2019-06-04 | 本田技研工业株式会社 | The manufacturing method and manufacturing device of thermoplas tic resin composite |
| CN109843535B (en) * | 2016-06-17 | 2021-10-08 | 本田技研工业株式会社 | Method and apparatus for producing thermoplastic resin composite material |
| WO2018191941A1 (en) * | 2017-04-21 | 2018-10-25 | 杨志祥 | Fiber composite material manufacturing method |
| CN107650364A (en) * | 2017-11-10 | 2018-02-02 | 厦门耐能电子科技有限公司 | A kind of carbon fibre material wear-type audiovisual and the thermo forming technique of communication apparatus housing |
| CN107650364B (en) * | 2017-11-10 | 2020-07-14 | 厦门耐能电子科技有限公司 | Hot-working forming process for carbon fiber material head-wearing type audio-visual and communication equipment shell |
| CN111452443A (en) * | 2019-01-18 | 2020-07-28 | 汉达精密电子(昆山)有限公司 | Light notebook computer shell and manufacturing method thereof |
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Application publication date: 20130410 |