CN104911587A - Shell body of electronic product and processing method thereof - Google Patents
Shell body of electronic product and processing method thereof Download PDFInfo
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- CN104911587A CN104911587A CN201510216865.6A CN201510216865A CN104911587A CN 104911587 A CN104911587 A CN 104911587A CN 201510216865 A CN201510216865 A CN 201510216865A CN 104911587 A CN104911587 A CN 104911587A
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Abstract
The invention discloses a shell body of an electronic product and a processing method thereof; the shell body comprises a magnesium alloy shell body; the outer surface of the magnesium alloy shell body is provided with a thermal spray coating layer, a wiredrawing grain layer and an anodic oxidation layer from the inside to the outside successively; the processing method includes the following steps: step 1, preparing the magnesium alloy shell body; step 2, carrying out thermal spray coating treatment on the outer surface of the magnesium alloy shell body, and forming a metal thin film layer; step 3, carrying out surface grinding polishing on the metal thin film layer, then carrying out wiredrawing treatment, and forming wiredrawn grains; and step 4, carrying out anodic oxidation treatment on the surface of the wiredrawn grains, and forming an anodic oxidation film. A magnesium alloy is used as a matrix, the outer surface is allowed to have a metal feeling by thermal spray coating treatment and wiredrawing treatment, and the outermost anodic oxidation film can play roles in improving corrosion resistance, enhancing wear resistance and hardness and protecting the metal surface, so that compared with a traditional aluminum alloy shell body, the shell body is lighter, better in hardness, and stronger in wear resistance and corrosion resistance.
Description
Technical field
The present invention relates to a kind of housing and working method thereof of electronic product.
Background technology
Existing electronic product casing mostly is lighter aluminum alloy material, but due to difference of hardness, the corrosion-resistant of aluminium, life-time service is easy to wear, corrosion, and then affects the work-ing life of electronic product.And the looking products of general magnesium alloy material all needs by surface lacquer process, the outward appearance of needs is reached by spraying paint miscellaneous, but the looking products of magnesium alloy material cannot have similar anodised appearance effect as aluminium alloy, the magnesium alloy therefore through process of simply spraying paint is not suitable for directly being used as appearance component.
Summary of the invention
The present invention seeks to: a kind of magnesium alloy shell and the working method thereof with anodic oxidation wire-drawing effect are provided.
Technical scheme of the present invention is: a kind of housing of electronic product, comprises magnesium alloy shell, and described magnesium alloy shell outside surface is provided with thermally sprayed coating, wire drawing lines layer and anodic oxide coating from inside to outside successively.
Further, the thickness of described thermally sprayed coating is 100-200um; The thickness of described anodic oxide coating is 10-15um.
Another technical scheme of the present invention is: a kind of working method of housing of electronic product, and it comprises following steps:
Step 1: prepare magnesium alloy shell;
Step 2: carry out thermal spraying treatment to the outside surface of above-mentioned magnesium alloy shell, forms metal film layer;
Step 3: carry out wire drawing process after carrying out surface finish polishing to above-mentioned metal film layer, forms wire drawing lines;
Step 4: carry out anodic oxidation treatment to above-mentioned drawing pattern road surfaces, forms anode oxide film.
Further, the preparation process of above-mentioned steps 1 comprises following operation:
1) die casting of magnesium grain is formed magnesium die casting blank;
2) above-mentioned die casting blank is processed structure division required for product through CNC, and carry out cleaning and drying;
3) ground by above-mentioned CNC converted products, object removes the burr etc. in product external surfaces and structural plane;
4) carried out changing into process by above-mentioned abrasive product, its step comprises degreasing → cleaning → table tune → ultrasonic cleaning → neutralize → clean → change into → cleaning, drying process.
Above-mentioned CNC processing (CNC Machining) refers to the processing carried out with the machining tool of numerical control.
The thermal spraying treatment process of above-mentioned steps 2 is: be placed in tool to the magnesium alloy substrates processed through above-mentioned steps 1, adopt plasma arc generator by the gas heating that passes in nozzle and ionization, form high temperature and high speed plasma jet, fusing and atomization aluminum or aluminum alloy gold, and the surface after making it change into housing with high-velocity jet, form metal film layer.Wherein said plasma jet speed is 240 ~ 610m/s, and the thickness of metal film layer is 100-200um.
The surperficial wire drawing process of above-mentioned steps 3: automatic or artificial mode can be adopted to carry out wire drawing, the rotating speed of drawing wire machine is 300 ~ 800r/min, and pulling wheel can be nylon wheel or all-wing aircraft wheel etc.
The thicknesses of layers of the anode oxide film formed after above-mentioned steps 4 anodic oxidation treatment is 10-15um.
After above-mentioned steps 4, antianode oxide film carries out sealing pores.
Advantage of the present invention is: the present invention adopts magnesium alloy as matrix; and make its outside surface possess metal sense by thermal spraying treatment and wire drawing process; be applicable to directly being used as appearance component; and outermost anode oxide film can play raising erosion resistance, strengthen wear resistance and hardness; the effect of protection metallic surface, therefore the present invention compare that traditional Al-alloy casing is lighter, hardness better, wear resistance and erosion resistance also stronger.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of product of the present invention;
Fig. 2 is procedure of processing schematic diagram of the present invention;
Wherein: 1 magnesium alloy shell; 2 thermally sprayed coatings; 3 wire drawing lines layers; 4 anodic oxide coatings.
Embodiment
Embodiment: as shown in Figure 1, a kind of housing of electronic product, comprises magnesium alloy shell 1, and described magnesium alloy shell 1 outside surface is provided with thermally sprayed coating 2, wire drawing lines layer 3 and anodic oxide coating 4 from inside to outside successively.Wherein, the thickness of described thermally sprayed coating 2 is 100-200um; The thickness of described anodic oxide coating 4 is 10-15um.
As shown in Figure 2, the present invention also will protect a kind of working method of housing of electronic product, and it comprises following steps:
Step 1: prepare magnesium alloy shell;
Step 2: carry out thermal spraying treatment to the outside surface of above-mentioned magnesium alloy shell, forms metal film layer;
Step 3: carry out wire drawing process after carrying out surface finish polishing to above-mentioned metal film layer, forms wire drawing lines;
Step 4: carry out anodic oxidation treatment to above-mentioned drawing pattern road surfaces, forms anode oxide film.
In the present embodiment, the preparation process of above-mentioned steps 1 comprises following operation:
1) die casting of magnesium grain is formed magnesium die casting blank;
2) above-mentioned die casting blank is processed structure division required for product through CNC, and carry out cleaning and drying;
3) ground by above-mentioned CNC converted products, object removes the burr etc. in product external surfaces and structural plane;
4) carried out changing into process by above-mentioned abrasive product, its step comprises degreasing → cleaning → table tune → ultrasonic cleaning → neutralize → clean → change into → cleaning, drying process.
The thermal spraying treatment process of above-mentioned steps 2 is: be placed in tool to the magnesium alloy substrates processed through above-mentioned steps 1, adopt plasma arc generator by the gas heating that passes in nozzle and ionization, form high temperature and high speed plasma jet, fusing and atomization aluminum or aluminum alloy gold, and the surface after making it change into housing with high-velocity jet, form metal film layer.Wherein said plasma jet speed is 240 ~ 610m/s, and the thickness of metal film layer is 100-200um.
The surperficial wire drawing process of above-mentioned steps 3: automatic or artificial mode can be adopted to carry out wire drawing, the rotating speed of drawing wire machine is 300 ~ 800r/min, and pulling wheel can be nylon wheel or all-wing aircraft wheel etc.
The thicknesses of layers of the anode oxide film formed after above-mentioned steps 4 anodic oxidation treatment is 10-15um.
After above-mentioned steps 4, antianode oxide film carries out sealing pores.
The present invention adopts magnesium alloy as matrix; and make its outside surface possess metal sense by thermal spraying treatment and wire drawing process; be applicable to directly being used as appearance component; and outermost anode oxide film can play raising erosion resistance, strengthen wear resistance and hardness; the effect of protection metallic surface, therefore the present invention compare that traditional Al-alloy casing is lighter, hardness better, wear resistance and erosion resistance also stronger.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (10)
1. a housing for electronic product, is characterized in that: comprise magnesium alloy shell, and described magnesium alloy shell outside surface is provided with thermally sprayed coating, wire drawing lines layer and anodic oxide coating from inside to outside successively.
2. the housing of a kind of electronic product according to claim 1, is characterized in that: the thickness of described thermally sprayed coating is 100-200um.
3. the housing of a kind of electronic product according to claim 1, is characterized in that: the thickness of described anodic oxide coating is 10-15um.
4. a working method for the housing of electronic product, is characterized in that comprising following steps:
Step 1: prepare magnesium alloy shell;
Step 2: carry out thermal spraying treatment to the outside surface of above-mentioned magnesium alloy shell, forms metal film layer;
Step 3: carry out wire drawing process after carrying out surface finish polishing to above-mentioned metal film layer, forms wire drawing lines;
Step 4: carry out anodic oxidation treatment to above-mentioned drawing pattern road surfaces, forms anode oxide film.
5. the working method of the housing of a kind of electronic product according to claim 4, is characterized in that: the preparation process of above-mentioned steps 1 comprises following operation:
1) die casting of magnesium grain is formed magnesium die casting blank;
2) above-mentioned die casting blank is processed structure division required for product through CNC, and carry out cleaning and drying;
3) above-mentioned CNC converted products is ground;
4) carried out changing into process by above-mentioned abrasive product, its step comprises degreasing → cleaning → table tune → ultrasonic cleaning → neutralize → clean → change into → cleaning, drying process.
6. the working method of the housing of a kind of electronic product according to claim 5, it is characterized in that: the thermal spraying treatment process of above-mentioned steps 2 is: tool is placed in the magnesium alloy substrates processed through above-mentioned steps 1, adopt plasma arc generator by the gas heating that passes in nozzle and ionization, form high temperature and high speed plasma jet, fusing and atomization aluminum or aluminum alloy gold, and the surface after making it change into housing with high-velocity jet, form metal film layer.
7. the working method of the housing of a kind of electronic product according to claim 6, is characterized in that: described plasma jet speed is 240 ~ 610m/s, and the thickness of metal film layer is 100-200um.
8. the working method of the housing of a kind of electronic product according to claim 4 or 5 or 6, it is characterized in that: the surperficial wire drawing process of above-mentioned steps 3: automatic or artificial mode can be adopted to carry out wire drawing, the rotating speed of drawing wire machine is 300 ~ 800r/min, and pulling wheel is nylon wheel or all-wing aircraft wheel.
9. the working method of the housing of a kind of electronic product according to claim 4 or 5 or 6, is characterized in that: the thicknesses of layers of the anode oxide film formed after above-mentioned steps 4 anodic oxidation treatment is 10-15um.
10. the working method of the housing of a kind of electronic product according to claim 9, it is characterized in that: after above-mentioned steps 4, antianode oxide film carries out sealing pores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216865.6A CN104911587A (en) | 2015-04-30 | 2015-04-30 | Shell body of electronic product and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216865.6A CN104911587A (en) | 2015-04-30 | 2015-04-30 | Shell body of electronic product and processing method thereof |
Publications (1)
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| CN104911587A true CN104911587A (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510216865.6A Pending CN104911587A (en) | 2015-04-30 | 2015-04-30 | Shell body of electronic product and processing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430980A (en) * | 2015-11-18 | 2016-03-23 | 广东欧珀移动通信有限公司 | Preparation method for metal shell and metal shell |
| CN107653476A (en) * | 2017-10-26 | 2018-02-02 | 珠海市魅族科技有限公司 | The processing method and housing of housing |
| CN108188920A (en) * | 2018-02-07 | 2018-06-22 | 博罗县恩创五金有限公司 | A kind of plane lapping processing mobile phone card cap and button mirror effect technique |
| CN109262374A (en) * | 2017-08-11 | 2019-01-25 | 东升新罗科技（深圳）有限公司 | A kind of die casting surface drawing process |
| CN110512254A (en) * | 2019-09-16 | 2019-11-29 | Oppo广东移动通信有限公司 | Shell of electronic equipment and preparation method thereof, electronic equipment |
| CN113106517A (en) * | 2021-04-09 | 2021-07-13 | 维沃移动通信(重庆)有限公司 | Preparation method of decorative ring, decorative ring and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875111A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Spray powder, sprayed product, spraying method and anodic oxidation metal piece |
| CN103046099A (en) * | 2013-01-07 | 2013-04-17 | 佛山泰铝新材料有限公司 | Continuous anode photooxidation compound technology for aluminium strip |
-
2015
- 2015-04-30 CN CN201510216865.6A patent/CN104911587A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875111A (en) * | 2009-04-30 | 2010-11-03 | 比亚迪股份有限公司 | Spray powder, sprayed product, spraying method and anodic oxidation metal piece |
| CN103046099A (en) * | 2013-01-07 | 2013-04-17 | 佛山泰铝新材料有限公司 | Continuous anode photooxidation compound technology for aluminium strip |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430980A (en) * | 2015-11-18 | 2016-03-23 | 广东欧珀移动通信有限公司 | Preparation method for metal shell and metal shell |
| CN105430980B (en) * | 2015-11-18 | 2018-09-14 | 广东欧珀移动通信有限公司 | A kind of metal shell preparation method and metal shell |
| CN109262374A (en) * | 2017-08-11 | 2019-01-25 | 东升新罗科技（深圳）有限公司 | A kind of die casting surface drawing process |
| CN107653476A (en) * | 2017-10-26 | 2018-02-02 | 珠海市魅族科技有限公司 | The processing method and housing of housing |
| CN108188920A (en) * | 2018-02-07 | 2018-06-22 | 博罗县恩创五金有限公司 | A kind of plane lapping processing mobile phone card cap and button mirror effect technique |
| CN110512254A (en) * | 2019-09-16 | 2019-11-29 | Oppo广东移动通信有限公司 | Shell of electronic equipment and preparation method thereof, electronic equipment |
| CN113106517A (en) * | 2021-04-09 | 2021-07-13 | 维沃移动通信(重庆)有限公司 | Preparation method of decorative ring, decorative ring and electronic equipment |
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Application publication date: 20150916 |