阅读说明：本技术 金属板材的防汗液处理工艺及金属板材、金属壳体和电子设备 (The anti-sweat treatment process and sheet metal, metal shell and electronic equipment of sheet metal ) 是由 周群飞 雷振华 于 2019-09-17 设计创作，主要内容包括：本发明提供了一种金属板材的防汗液处理工艺及金属板材、金属壳体和电子设备,涉及金属板材表面处理技术领域,所述金属板材的防汗液处理工艺包括如下步骤：将金属板材依次进行阳极氧化、染色合封孔处理,其中,所述阳极氧化处理的氧化电压为12-18V,氧化温度为5-10℃,氧化时间为55-65分钟；改善金属壳体粘附汗渍导致金属壳体腐蚀褪色,影响电子设备的美观性和用户体验的技术问题。本发明提供的金属板材的防汗液处理工艺后得到的金属板材,防汗液腐蚀能力显著提高,使得金属板材不易老化褪色,从而使其制备成金属壳体后,能够有效保证电子设备的使用稳定性和用户体验。(The present invention provides the anti-sweat treatment process and sheet metal, metal shell and electronic equipment of a kind of sheet metal, it is related to sheet metal surface processing technology field, the anti-sweat treatment process of the sheet metal includes the following steps: successively to carry out sheet metal into anodic oxidation, dyeing conjunction sealing pores, wherein, the oxidation voltage of the anodized is 12-18V, oxidizing temperature is 5-10 DEG C, and oxidization time is 55-65 minutes；Improve the technical issues of metal shell adherency sweat stain causes metal shell corrosion to fade, influence the aesthetics and user experience of electronic equipment.The sheet metal obtained after the anti-sweat treatment process of sheet metal provided by the invention, anti- sweat corrosive power significantly improves, so that the non-aging colour fading of sheet metal, to can effectively ensure that the stability in use and user experience of electronic equipment after so that it is prepared into metal shell.)

1. a kind of anti-sweat treatment process of sheet metal, which comprises the steps of:

Sheet metal is successively subjected to anodic oxidation, dyeing and sealing pores, wherein the oxidation voltage of the anodized For 12-18V, oxidizing temperature is 5-10 DEG C, and oxidization time is 55-65 minutes；

Preferably, the oxidation voltage of anodized is 14-16V, and oxidizing temperature is 7-9 DEG C, and oxidization time is 58-62 points Clock.

2. anti-sweat treatment process according to claim 1, which is characterized in that using anode oxidation treatment liquid to metal plate Material carries out anodized；

Preferably, in the anode oxidation treatment liquid, the concentration of sulfuric acid is 190-210g/L, Al³⁺Concentration be 0-12g/L.

3. anti-sweat treatment process according to claim 1, which is characterized in that carry out dyeing processing using organic dyestuff；

Preferably, the organic dyestuff is vegetable colour and/or chemical dye.

4. anti-sweat treatment process according to claim 1, which is characterized in that carry out sealing pores using pore-sealing liquid；

Preferably, in the pore-sealing liquid, the concentration of nickel fluoride is 1-5g/L, and the concentration of nickel acetate is 1-5g/L；

Preferably, in the pore-sealing liquid, the concentration of nickel fluoride is 2-3g/L, and the concentration of nickel acetate is 2-3g/L.

5. anti-sweat treatment process according to claim 1-4, which is characterized in that the anti-sweat of the sheet metal Liquor treating process further includes anti-sweat intensive treatment, and the anti-sweat intensive treatment is set to after sealing pores；

Preferably, anti-sweat intensive treatment is carried out using anti-sweat reinforcing agent；

Preferably, the anti-sweat reinforcing agent is purchased in Guangdong Wei Yuan surfacing Science and Technology Ltd., model WY504.

6. process of surface treatment according to claim 1-4, which is characterized in that first successively carry out sheet metal Anodized is carried out again after oil removing, alkaline etching and chemical polishing processing.

7. anti-sweat treatment process according to claim 1-4, which is characterized in that the sheet metal is selected from aluminium One of plate, aluminum alloy plate materials, magnesium alloy plate or zinc alloy plate, preferably aluminum alloy plate materials.

8. a kind of sheet metal, which is characterized in that handle work by the anti-sweat of the described in any item sheet metals of claim 1-7 Skill obtains.

9. a kind of metal shell, which is characterized in that including sheet metal according to any one of claims 8 or -7 according to claim 1 Anti- sweat treatment process described in one is prepared.

10. a kind of electronic equipment, which is characterized in that including sheet metal according to any one of claims 8 or gold as claimed in claim 9 Belong to shell.

Technical field

The present invention relates to sheet metal surface processing technology fields, handle more particularly, to a kind of anti-sweat of sheet metal Technique and sheet metal, metal shell and electronic equipment.

Background technique

In existing electronic equipment, metal shell because its good physical property and beauty appearance so that its Using more and more extensive.But metal shell needs and hand is often in contact with especially in hot weather, sweat on hand can be frequent It is adhered on metal shell, causes metal shell corrosion to be faded, influence the aesthetics and user experience of electronic equipment.

In view of this, the present invention is specifically proposed.

Summary of the invention

The purpose of the present invention is to provide a kind of process of surface treatment of sheet metal, to improve metal shell needs and hand Often in contact with sweat stain on hand is adhered on metal shell, is caused metal shell corrosion to be faded, is influenced the aesthetics of electronic equipment And the technical issues of user experience.

The anti-sweat treatment process of sheet metal provided by the invention, includes the following steps:

Sheet metal is successively subjected to anodic oxidation, dyeing and sealing pores, wherein the oxidation of the anodized Voltage is 12-18V, and oxidizing temperature is 5-10 DEG C, and oxidization time is 55-65 minutes；

Preferably, the oxidation voltage of anodized is 14-16V, and oxidizing temperature is 7-9 DEG C, oxidization time 58-62 Minute.

Further, anodized is carried out to sheet metal using anode oxidation treatment liquid；

Preferably, in the anode oxidation treatment liquid, the concentration of sulfuric acid is 190-210g/L, Al³⁺Concentration be 0-12g/ L。

Further, dyeing processing is carried out using organic dyestuff；

Preferably, the organic dyestuff is vegetable colour and/or chemical dye.

Further, sealing pores are carried out using pore-sealing liquid；

Preferably, in the pore-sealing liquid, the concentration of nickel fluoride is 1-5g/L, and the concentration of nickel acetate is 1-5g/L；

Preferably, in the pore-sealing liquid, the concentration of nickel fluoride is 2-3g/L, and the concentration of nickel acetate is 2-3g/L.

Further, the anti-sweat treatment process of the sheet metal further includes anti-sweat enhancing processing, the anti-sweat Enhancing processing is set to after sealing pores；

Preferably, anti-fingerprint processing is carried out using anti-sweat reinforcing agent；

Preferably, the anti-sweat reinforcing agent is purchased in Guangdong Wei Yuan surfacing Science and Technology Ltd., model WY504。

Further, after sheet metal first successively to be carried out to oil removing, alkaline etching and chemical polishing processing, then anodic oxidation is carried out Processing.

Further, the sheet metal is in aluminium plate, aluminum alloy plate materials, magnesium alloy plate or zinc alloy plate One kind, preferably aluminum alloy plate materials.

The second object of the present invention is to provide a kind of sheet metal, at the anti-sweat of sheet metal provided by the present invention Science and engineering skill obtains.

The third object of the present invention is to provide a kind of metal shell, including sheet metal provided by the invention or according to this The anti-sweat treatment process for inventing the sheet metal provided is prepared.

The fourth object of the present invention is to provide a kind of electronic equipment, including sheet metal provided by the invention or the present invention The metal shell of offer.

The anti-sweat treatment process of sheet metal provided by the invention, by carrying out anti-anodic oxidation to sheet metal, and The oxidation voltage for controlling anodized is 12-18V, and oxidizing temperature is 5-10 DEG C, and oxidization time is 55-65 minutes, so that Sheet metal forms oxidation film with holes on surface after anodized, and the hole diameter of oxidation film is 5-10nm, is made The hole diameter for obtaining oxidation film is smaller, and structure is more fine and close, subsequent using the sheet metal for dyeing with obtaining after sealing pores Anti- sweat corrosive power significantly improve so that the non-aging colour fading of sheet metal, thus after making it be prepared into metal shell, energy The stability in use and user experience of electronic equipment is enough effectively ensured.

The anti-sweat treatment process for the sheet metal that sheet metal provided by the invention provides through the invention is prepared, Its anti-sweat corrosive power significantly improves, so that the non-aging colour fading of sheet metal, thus after so that it is prepared into metal shell, energy The stability in use and user experience of electronic equipment is enough effectively ensured.

Specific embodiment

Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is The conventional products that can be obtained by commercially available purchase.

It should be understood that

In the present invention, if without particularly illustrating, all embodiments mentioned in this article and preferred implementation method It can be combined with each other to form new technical solution.

In the present invention, if percentage (%) or part refer to the weight relative to composition without particularly illustrating Percentage or parts by weight.

In the present invention, if related each component or its preferred ingredient can be combined with each other shape without particularly illustrating The technical solution of Cheng Xin.

In the present invention, unless otherwise indicated, numberical range " a~b " indicates the contracting of any real combinings between a to b Sketch form shows that wherein a and b is real number.Such as numberical range " 6~22 " indicate herein all listed " 6~22 " it Between whole real numbers, " 6~22 " be these combinations of values breviary indicate.

" range " disclosed in this invention can be respectively one or more lower limits and one in the form of lower and upper limit A or multiple upper limits.

In the present invention, unless otherwise indicated, it is each reaction or operating procedure can sequentially carry out, can also in sequence into Row.Preferably, reaction method herein is that sequence carries out.

Unless otherwise indicated, profession used herein and meaning phase known to scientific term and one skilled in the art Together.In addition, any method similar to or equal to what is recorded or material can also be applied in the present invention.

According to an aspect of the present invention, the present invention provides a kind of anti-sweat treatment process of sheet metal, including such as Lower step:

Sheet metal is successively subjected to anodic oxidation, dyeing and sealing pores, wherein the oxidation of the anodized Voltage is 12-18V, and oxidizing temperature is 5-10 DEG C, and oxidization time is 55-65 minutes.

In anti-sweat treatment process, for example 12,13,14,15,16,17 or 18V of the oxidation voltage of anodized；Oxygen Change for example 5,5.5,6,6.5,7,7.5,8,8.5,9,9.5 or 10 DEG C of temperature；Oxidization time for example 55,56,57,58,59,60, 61,62,63,64 or 65 minutes.

The present invention passes through voltage, the temperature and time of control anodic oxidation, so that sheet metal surface forms surface hole defect Diameter is smaller, the more fine and close oxidation film of structure, it is subsequent using dyeing and sealing pores after, the anti-sweat of obtained sheet metal Corrosion ability significantly improves, so that the non-aging colour fading of sheet metal, thus after so that it is prepared into metal shell, it can be effective Guarantee the stability in use and user experience of electronic equipment.

In the preferred embodiment of the present invention, in the anti-sweat treatment process of sheet metal, at anodic oxidation The oxidation voltage of reason is 14-16V, and oxidizing temperature is 7-9 DEG C, and oxidization time is 58-62 minutes.Pass through strict control sheet metal Oxidation voltage, oxidizing temperature and the oxidization time of anodized, so that the hole for the oxidation film that sheet metal surface generates Hole is smaller, and more uniformly, structure is more fine and close, so that the subsequent sheet metal obtained after dyeing and sealing pores Anti- sweat corrosive power is more preferable, and sheet metal colour fading more difficult to aging more can guarantee stability in use and the user of electronic equipment Experience.

In the preferred embodiment of the present invention, anodic oxidation is carried out to sheet metal using anode oxidation treatment liquid Processing, to overcome the hardness of sheet metal and the defect of wearability etc..

In the preferred embodiment of the present invention, in anode oxidation treatment liquid, the concentration of sulfuric acid is 190-210g/L, Al³⁺Concentration be 0-12g/L.

Pass through the concentration and Al of sulfuric acid in control anode oxidation treatment liquid³⁺Concentration so that being formed on sheet metal The structure of oxidation film with holes is finer and close, and hole is more evenly more tiny.It is typical but non-limiting, in anode oxidation treatment liquid, sulphur For example 190,192,194,195,196,198,200,202,204,205,206, the 208 or 210g/L of concentration of acid；Al³⁺Concentration For example 0,1,2,3,4,5,6,7,8,10 or 12g/L.

In the preferred embodiment of the present invention, dyeing processing is carried out using organic dyestuff, so that organic dyestuff It is filled into the hole of oxidation film, so that sheet metal is more aesthetically pleasing.

In present invention further optimization embodiment, organic dyestuff is selected from vegetable colour and/or chemical dye.

Chemical dye includes but is not limited to one or more of azo-fuchsine, the Sudan are yellow and phthalein cyanogen is green.

Vegetable colour includes but is not limited to turmeric, one or more of indigo and purple perilla.

In the preferred embodiment of the present invention, organic dyestuff is first made into dye liquor, then using dye liquor to anode Sheet metal after oxidation carries out dyeing processing, and when carrying out dyeing processing, organic dyestuff immerses in the hole of oxidation film, to mention Height effectively improves color fastness, so that the sheet metal color after dyeing is more uniform.

In present invention further optimization embodiment, the concentration of organic dyestuff is 0.5-1.5wt% in dye liquor, preferably For 1wt%, so that dyeing effect is more preferably.

In the preferred embodiment of the present invention, after sheet metal being dyed, processing is sealed using pore-sealing liquid, To improve the stability of sheet metal color.

In the preferred embodiment of the present invention, in pore-sealing liquid, the concentration of nickel fluoride is 1-5g/L, nickel acetate it is dense Degree is 1-5g/L.By the concentration of nickel fluoride and nickel acetate in control pore-sealing liquid, so that pore-sealing liquid can will be in oxidation film Hole seals more complete, to effectively improve the corrosion resistance and color stability of sheet metal, to improve user experience, especially It is in pore-sealing liquid, and the concentration of nickel fluoride is 2-3g/L, and when the concentration of nickel acetate is 2-3g/L, sealing effect is more preferably.

It is typical but non-limiting, in pore-sealing liquid provided by the invention, the concentration of nickel acetate for example 1,1.2,1.5,1.8, 2,2.5,3,3.5,4,4.5 or 5g/L, for example 1,1.2,1.5,1.8,2,2.5,3,3.5,4,4.5 or 5g/ of the concentration of nickel fluoride L。

In present invention further optimization embodiment, pore-sealing liquid is purchased in the limited public affairs of Guangzhou Bai'an Megtron new science and technology Department, model DX500.

In the preferred embodiment of the present invention, the anti-sweat treatment process of the sheet metal further includes anti-sweat Enhancing processing, the anti-sweat enhancing processing are set to after sealing pores.By carrying out anti-sweat enhancing processing, further mention The anti-sweat corrosive power of high metal plate.

In the preferred embodiment of the present invention, anti-sweat enhancing is carried out using anti-sweat reinforcing agent to handle, pass through Sheet metal after sealing of hole is subjected to anti-sweat enhancing processing, with further increase sheet metal anti-sweat corrosion stability and Color stability, so that the stability in use and use of electronic equipment can be further increased when being made into casting of electronic device Family experience.

In present invention further optimization embodiment, anti-fingerprint inorganic agent is purchased in the big first surfacing science and technology in Guangdong Co., Ltd, model WY504.

In the preferred embodiment of the present invention, sheet metal is successively first subjected to oil removing, alkaline etching and chemical polishing After processing, then carry out anodized.

In a preferred embodiment of the invention, by the way that sheet metal is carried out oil removal treatment, by sheet metal surface Oily waste degradation；By the way that the sheet metal after oil removing is carried out alkaline etching, so that sheet metal surface is more smooth, in favor of rear It is continuous to be processed by shot blasting.By being processed by shot blasting to the sheet metal after alkaline etching, lacked with eliminating the machinery of sheet metal surface It falls into, reduces surface roughness, and improve its lustrous surface.

In the preferred embodiment of the present invention, sheet metal includes but is not limited to aluminium plate, aluminum alloy plate materials, magnesium One of sheet alloy or zinc alloy plate especially work as metal plate so that it is made more beautiful when electronic equipment casing When material is aluminum alloy plate materials, aluminium alloy not only has good plastotype processing performance and casting character, but also with higher strong Degree, thus its be made it is more aesthetically pleasing and durable after electronic equipment casing.

In present invention further optimization embodiment, aluminum alloy plate materials with a thickness of 0.3-1.5mm.Aluminum alloy plate materials Model include but is not limited to aluminium alloy 5083, aluminium alloy 5052 or aluminium alloy 6063.

According to the second aspect of the invention, the present invention provides a kind of sheet metals, according to metal provided by the invention The anti-sweat treatment process of plate obtains.

Anti- sweat treatment process is prepared, and anti-sweat corrosive power significantly improves, non-aging colour fading, to make it After being prepared into metal shell, the stability in use and user experience of electronic equipment can effectively ensure that.

Metal shell will unavoidably be contacted in use with manpower, and then be infected with hand perspiration, and human sweat is logical Often aobvious acidity, pH value is between 4.8-5.8, component content are as follows: 2~3g/L of NaCl, urea 0.2g/L, 2~17g/L of lactic acid, In addition there are also micro K⁺, Ca²⁺And amino acid, organic base etc., it is clear that human body hand perspiration is that have certain corrosive medium, meeting Corrosiveness occurs for the aluminium alloy poor to corrosivity, leads to metal shell corrosive chameleon, influence electronic equipment aesthetics and User experience.

According to the third aspect of the present invention, the present invention provides a kind of metal shells comprising gold provided by the invention The anti-sweat treatment process for belonging to plate or the sheet metal provided according to the present invention is prepared.

Metal shell provided by the invention is prepared using sheet metal, and anti-sweat corrosive power significantly improves, and Non-aging colour fading can effectively ensure that the stability in use and user experience of electronic equipment.

According to the fourth aspect of the present invention, the present invention provides a kind of electronic equipment, including metal provided by the invention Plate or metal shell provided by the invention.

Electronic equipment provided by the invention, as shell, makes the anti-sweat of its shell using sheet metal provided by the invention Corrosive power more preferably, colour fading more difficult to aging, so that the stability in use and user experience of electronic equipment be effectively ensured.

Technical solution provided by the invention is further described below with reference to embodiment and comparative example.