CN101742831A - Electronic device appearance part and preparation method thereof - Google Patents
Electronic device appearance part and preparation method thereof Download PDFInfo
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- CN101742831A CN101742831A CN200810174508A CN200810174508A CN101742831A CN 101742831 A CN101742831 A CN 101742831A CN 200810174508 A CN200810174508 A CN 200810174508A CN 200810174508 A CN200810174508 A CN 200810174508A CN 101742831 A CN101742831 A CN 101742831A
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- appearance piece
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Abstract
The invention relates to an electronic device appearance part and a preparation method thereof. The electronic device appearance part contains at least one cellulose acetate layer which is formed by the hot press molding technology and is provided with a preset pattern. As the shape of the cellulose acetate layer which is prepared from cellulose acetate by hot press molding, can not deform in the heat in the following process. Therefore, the cellulose acetate layer with texture formed by hot pressing can be used to prepare the electronic device appearance part with the preset pattern so as to reduce the process time and increase the variety of the electronic device appearance part.
Description
Technical field
The present invention is a kind of appearance piece of electronic device and manufacture method thereof, particularly a kind of appearance piece of electronic device and manufacture method thereof that comprises at least one layer of cellulose acetate.
Background technology
Along with the development of human material progress, utilizing ejection formation to make plastic product has become the technology of quite popularizing modern age.So-called jetting formation process is earlier plastic raw materials to be heated to molten condition, again with the plastic raw materials ejection formation of fusion in a mould, after waiting to inject the plastic raw materials cooling of mould, make itself and mold separation just can obtain the moulding product.
Because it is short that ejection formation has manufacturing time, can make complicated external form and advantage such as cheap for manufacturing cost, so the plastic products in the daily life, or be appearance piece of electronic device, for example: shell, also utilize the ejection formation manufacturing mostly and get.
Yet, how making consumer electronic device attraction consumer's sight and further produce desire to buy, the appearance design of consumer electronic device can be said so and be occupied very important influence power.But the appearance piece of electronic device of ejection formation only can present the single kind of color that plastics itself are had, and seems dull and can't satisfy now demand for appearance piece of electronic device.Even through extra japanning formality, with the color and the texture of raising appearance component, but electronic installation coats with lacquer the situation of peeling off outside what can take place because of friction, erosion or external force collision after the long-time use of process, cause its outward appearance to be affected.
In the follow-up developments, also there are before ejaculation the plastics that plastics and colorant premix obtained have a certain particular color penetrate product; Or utilize the moulding board of two groups of ejecting devices of a kind of tool, two kinds of colors or different types of plastics are injected respectively, but this measure not only increase the process time, and its finished product also be mostly color clearly demarcated, do not have and mix, still do not have diversified outward appearance.
Summary of the invention
In view of this, the present invention proposes a kind of appearance piece of electronic device, and the appearance piece of electronic device that solves prior art presents the bottleneck that single tone does not have diversified appearance.This appearance piece of electronic device comprises at least one layer of cellulose acetate, and has a preset pattern.
Appearance piece of electronic device of the present invention is with at least one layer of cellulose acetate, gets through the hot press forming technology manufacturing.Hot press forming technology of the present invention is to make it softening the layer of cellulose acetate heating, utilizes mould to give extrusion forming again, the appearance piece of electronic device that can obtain having preset pattern after cooling.What deserves to be mentioned is that cellulose acetate has quite good thermal finalization, that is layer of cellulose acetate is once extrusion forming, its external form can't change because of being heated in subsequent technique again.
In addition, because layer of cellulose acetate has good machinability at normal temperatures, (Computer numerical control, CNC) processing method is processed into appearance piece of electronic device therefore also can to use the computer Numerical Control.
The present invention proposes a kind of manufacture method of appearance piece of electronic device simultaneously, the sheet material heating that at first will have preset pattern and comprise at least one layer of cellulose acetate makes it softening, by a mould sheet material that is subjected to thermal softening is exerted pressure then and forms the appearance piece of electronic device with identical preset pattern.
In sum, the present invention utilizes at least one layer of cellulose acetate to have the formation appearance piece of electronic device of preset pattern, has solved the variety of problems that known technology had.
Description of drawings
Figure 1A is an appearance piece of electronic device schematic diagram of the present invention (1).
Figure 1B is an appearance piece of electronic device schematic diagram of the present invention (2).
Fig. 2 A is a layer of cellulose acetate schematic diagram of the present invention (1).
Fig. 2 B is a layer of cellulose acetate schematic diagram of the present invention (2).
Fig. 3 A is a hot press forming technology schematic diagram of the present invention (1).
Fig. 3 B is a hot press forming technology schematic diagram of the present invention (2).
Fig. 4 is an appearance piece of electronic device manufacture method flow chart of the present invention.
Embodiment
Relevant technology contents of the present invention, characteristics and effect, cooperate now graphic and embodiment explanation as after.
Please refer to Figure 1A and Figure 1B, be respectively appearance piece of electronic device schematic diagram of the present invention (1) and schematic diagram (2), appearance piece of electronic device 11,12 comprises at least one layer of cellulose acetate, and appearance piece of electronic device 11,12 has preset pattern.Shown in Figure 1A, the housing of appearance piece of electronic device 11 for having cancellate preset pattern; And for example shown in Figure 1B, appearance piece of electronic device 12 is the housing with preset pattern of stacked striated.
Please refer to Fig. 2 A, be layer of cellulose acetate schematic diagram of the present invention (1), layer of cellulose acetate 21,22 and 23 is mixed by cellulose acetate and dyestuff, has different textures respectively.In preferred embodiment, shown in Fig. 2 A, when appearance piece of electronic device comprises layer of cellulose acetate more than two-layer, and when layer of cellulose acetate 21,22 and 23 is a printing opacity plate, because the texture of layer of cellulose acetate 21,22 and 23 has different colours and different distributions zone respectively, therefore the layer of cellulose acetate 21,22 of printing opacity and 23 is through behind the storehouse, and its other texture is interlaced with one another and forms above-mentioned predetermined pattern.Though as above with the preferred embodiment explanation, yet when appearance piece of electronic device only comprises one deck layer of cellulose acetate, this moment, this layer of cellulose acetate institute tool texture was aforesaid preset pattern, also or when layer of cellulose acetate 21,22 and 23 is light-proof material, then this moment layer of cellulose acetate 21 texture be the predetermined pattern that is presented.Mandatory declaration be that layer of cellulose acetate 21,22 and 23 light transmittance reach printing opacity, semi-transparent or lighttight effect except the thickness that can utilize the control plate, also can utilize the allotment of its texture and color to reach, and do not exceed in arbitrary mode.
And the layer of cellulose acetate 24 that forms by layer of cellulose acetate 21,22 and 23 storehouses, shown in Fig. 2 B, after being cut into suitable size, just layer of cellulose acetate 24 further can be passed through the housing that hot press forming technology (Hot forming) forms electronic installation, make the housing of electronic installation itself be appearance piece of electronic device, can not need decorative appearance formality in principle via other with predetermined pattern.
Now further specify hot press forming technology as after, please refer to Fig. 3 A and Fig. 3 B, be respectively hot press forming technology schematic diagram of the present invention (1) and schematic diagram (2).At first, provide the sheet material 31 that comprises at least one layer of cellulose acetate and have preset pattern, again sheet material 31 is heated to softeningly, bring pressure to bear on sheet material 31 via mould 32 then and form appearance piece of electronic device.Wherein, the temperature parameter of heat pressing process is between 50 ℃ to 120 ℃, and pressure parameter is between 5kg/cm
2To 150kg/cm
2Between, and time parameter is between 10 minutes to 50 minutes.
In addition, though it is not shown, but (Computer numericalcontrol, CNC) processing method is to comprising at least one layer of cellulose acetate and having the sheet material of preset pattern or bulk is processed and made appearance piece of electronic device also can to utilize known computer Numerical Control.
Please refer to Fig. 4, be appearance piece of electronic device manufacture method flow chart of the present invention, comprise the following step:
Step S1: sheet material is provided.
The sheet material 31 that has preset pattern and comprise at least one layer of cellulose acetate is provided, and wherein, the thickness of sheet material 31 is between between the 0.5mm to 2.5mm.
Step S2: heating sheet material.
Step S3: pressurization sheet material.
Apply a pressure in sheet material 31 via mould 32, and continue for some time and form appearance piece of electronic device, wherein, appearance piece of electronic device is a housing.The time that is continued in this pressurization steps, institute's applied pressure was between 5kg/cm between 10 minutes to 50 minutes
2To 150kg/cm
2Between, sheet material 31 is thicker, and then the time of institute's applied pressure and persistent pressure is just longer.
In addition, before step S1, more comprise following steps: cellulose acetate is mixed with dyestuff, the layer of cellulose acetate that has texture with formation, if sheet material 31 only comprises one deck layer of cellulose acetate, then the texture of layer of cellulose acetate is the predetermined pattern of sheet material 31, that is the predetermined pattern that presented of final appearance piece of electronic device.If sheet material 31 comprises a plurality of layer of cellulose acetate, then predetermined pattern is interwoven by the texture of a plurality of layer of cellulose acetate, by piling up the layer of cellulose acetate of a plurality of tool textures and printing opacity, make those textures of those layer of cellulose acetate be woven into preset pattern, pressurize those layer of cellulose acetate at last and form sheet material 31, because the texture of each layer of cellulose acetate has different colours or different distributions zone, thereby the different predetermined pattern of all kinds that can interweave with.
Utilize the made sheet material of cellulose acetate 31 behind the process hot press forming technology, in subsequent technique, can't deform again, has excellent thermal finalization, in addition, cellulose acetate is heated to 50 ℃ and just can softens to 120 ℃, be lower than other thermoset plastic material, can save the consumption of the energy, meet the environmental protection trend of carbon reduction.Appearance piece of electronic device manufacture method of the present invention is utilized this characteristics, to have preset pattern and comprise the sheet material 31 of at least one layer of cellulose acetate, utilize hot press forming technology directly to produce appearance piece of electronic device with identical preset pattern, thereby need not additionally to carry out baking vanish or decorative appearance formality, improved traditional variety of problems that appearance piece of electronic device had of utilizing the ejection formation made.
Though technology contents of the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; do not breaking away from spirit of the present invention a little change and the retouching done; all should be covered by in the category of the present invention, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (21)
1. an appearance piece of electronic device is characterized in that, comprises at least one layer of cellulose acetate, and above-mentioned appearance piece of electronic device has preset pattern.
2. appearance piece of electronic device according to claim 1 is characterized in that, above-mentioned appearance piece of electronic device is a housing.
3. appearance piece of electronic device according to claim 1 is characterized in that, above-mentioned layer of cellulose acetate is mixed with dyestuff by cellulose acetate and formed, and has texture.
4. appearance piece of electronic device according to claim 3 is characterized in that, the above-mentioned preset pattern of above-mentioned electronic installation is the above-mentioned texture of above-mentioned layer of cellulose acetate.
5. appearance piece of electronic device according to claim 3 is characterized in that, above-mentioned layer of cellulose acetate is a printing opacity.
6. appearance piece of electronic device according to claim 5 is characterized in that, above-mentioned appearance piece of electronic device is formed by a plurality of above-mentioned cellulose acetate layer stacks.
7. appearance piece of electronic device according to claim 6 is characterized in that, above-mentioned preset pattern is interwoven by above-mentioned these textures of above-mentioned these layer of cellulose acetate, and above-mentioned these textures have different colours or different distributions zone respectively.
8. appearance piece of electronic device according to claim 1 is characterized in that, above-mentioned layer of cellulose acetate is made above-mentioned appearance piece of electronic device utilize hot press forming technology.
9. appearance piece of electronic device according to claim 8 is characterized in that, the temperature parameter of above-mentioned hot press forming technology is between 50 ℃ to 120 ℃.
10. appearance piece of electronic device according to claim 8 is characterized in that the pressure parameter of above-mentioned hot press forming technology is between 5kg/cm
2To 150kg/cm
2Between.
11. appearance piece of electronic device according to claim 8 is characterized in that, the time parameter of above-mentioned hot press forming technology is between 10 minutes to 50 minutes.
12. appearance piece of electronic device according to claim 8 is characterized in that, above-mentioned layer of cellulose acetate is made above-mentioned appearance piece of electronic device utilize computer Numerical Control processing method.
13. the manufacture method of an appearance piece of electronic device is characterized in that, comprises the following step:
Sheet material is provided, and wherein above-mentioned sheet material comprises at least one layer of cellulose acetate, and above-mentioned sheet material has preset pattern;
Heating sheet material; And
Bring pressure to bear on sheet material and form above-mentioned appearance piece of electronic device via mould.
14. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, above-mentioned manufacture method also comprises the following step:
Mixing vinegar acid cellulose and dyestuff have the above-mentioned layer of cellulose acetate of texture with formation.
15. the manufacture method of appearance piece of electronic device according to claim 14 is characterized in that, above-mentioned manufacture method also comprises the following step:
Pile up a plurality of above-mentioned layer of cellulose acetate, make above-mentioned these textures of above-mentioned these layer of cellulose acetate be woven into above-mentioned preset pattern, wherein above-mentioned these layer of cellulose acetate are printing opacity, and above-mentioned these textures have different colours or different distributions zone respectively; And
Pressurize above-mentioned these layer of cellulose acetate and form above-mentioned sheet material.
16. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, this sheet material step of above-mentioned heating makes the temperature of above-mentioned sheet material between 50 ℃ to 120 ℃.
17. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, in the above-mentioned step that brings pressure to bear on above-mentioned layer of cellulose acetate, above-mentioned applied pressure is between 5kg/cm
2To 150kg/cm
2Between.
18. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, above-mentionedly brings pressure to bear on the step of this sheet material via this mould, its process time is between 10 minutes to 50 minutes.
19. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, the thickness of above-mentioned sheet material is between between the 0.5mm to 2.5mm.
20. the manufacture method of appearance piece of electronic device according to claim 14 is characterized in that, the above-mentioned preset pattern of above-mentioned sheet material is the above-mentioned texture of above-mentioned layer of cellulose acetate.
21. the manufacture method of appearance piece of electronic device according to claim 13 is characterized in that, above-mentioned appearance piece of electronic device is a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810174508A CN101742831A (en) | 2008-11-05 | 2008-11-05 | Electronic device appearance part and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810174508A CN101742831A (en) | 2008-11-05 | 2008-11-05 | Electronic device appearance part and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101742831A true CN101742831A (en) | 2010-06-16 |
Family
ID=42465483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810174508A Pending CN101742831A (en) | 2008-11-05 | 2008-11-05 | Electronic device appearance part and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101742831A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598714A (en) * | 2013-09-22 | 2014-02-26 | 李楚汉 | Manufacturing method of protective leather case |
| CN104191603A (en) * | 2014-09-03 | 2014-12-10 | 王道敏 | Forming process for patterns on surfaces of cellulose acetate fiber glasses |
-
2008
- 2008-11-05 CN CN200810174508A patent/CN101742831A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103598714A (en) * | 2013-09-22 | 2014-02-26 | 李楚汉 | Manufacturing method of protective leather case |
| CN103598714B (en) * | 2013-09-22 | 2016-06-29 | 李楚汉 | A kind of manufacture method protecting leather sheath |
| CN104191603A (en) * | 2014-09-03 | 2014-12-10 | 王道敏 | Forming process for patterns on surfaces of cellulose acetate fiber glasses |
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Application publication date: 20100616 |