CN101519016B - Method for making patterns on metal surfaces - Google Patents
Method for making patterns on metal surfaces Download PDFInfo
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- CN101519016B CN101519016B CN2008101008842A CN200810100884A CN101519016B CN 101519016 B CN101519016 B CN 101519016B CN 2008101008842 A CN2008101008842 A CN 2008101008842A CN 200810100884 A CN200810100884 A CN 200810100884A CN 101519016 B CN101519016 B CN 101519016B
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Abstract
The invention relates to a method for making patterns on metal surfaces, which includes the steps as follow: blasting the metal surface twice with 120-mesh sand under the blast pressure of 2.0 to 2.5Kgf /cm <2>; washing and oxidizing the ground metal surface; firstly corroding the ground metal surface by alkali and then processing in an electrolytic polishing way and than in an anodic oxidizing way, and then sealing holes; and corroding and oxidizing the metal surface, so that the metal surface which is not printed with photosensitive glue is corroded to obtain a metal surface with preset patterns. The method includes the corrosion process, the corrosive liquid washing, the anodic oxidizing process and the hole sealing, wherein the corrosion process uses sodium hydroxide and sodium nitrite solution and lasts 300 seconds to 500 seconds; degumming liquid is used for removing photosensitive glue; the anodic oxidizing process is carried out for 20 minutes to 30 minutes in sulfuric acid solution with the concentration of 150 to 250 g/L, at the temperature of 20 DEG C to 25 DEG C and the voltage of 13.5 V. The embodiment of the invention adopts the aluminum-corrosion secondary oxidizing process to obtain panels with patterns, thereby greatly improving the appearance effect of panels.
Description
Technical field
The present invention relates to a kind of method of pattern-making, particularly relate to a kind of method of the pattern-making in the metal surface.
Background technology
Existing a lot of metallic articles, for increasing the visual effect of its outward appearance, usually can be at some decorative patterns of surface design or the pattern of metallic article.Produce method of patterning in the metal surface and generally adopt etch process.For the metallic article of producing in enormous quantities; It needs pre-designed pattern; Through the mode of design transfer, preset design transfer to the metal surface, is adopted etch process then then; Predetermined pattern according on the metal surface is carried out etching, thereby obtains having the metallic article of predetermined pattern.In realizing the application embodiment in the process of technical scheme; The inventor finds that there is following problem at least in above-mentioned prior art: existing aluminum deck adds the oxidation technology that sandblasts, and also exists deficiency, can't reach higher effect; Such as only passing through once oxidation; Can only produce a kind of decorative pattern color, form by the color of metal itself in the place that does not have oxidation, very dull.And, metal itself show easy oxidation by air and distortion.The feel of once oxidation after surface treatment is bad.For this reason, be necessary to propose a kind of method that has more the pattern-making in the metal surface of visual effect.
Summary of the invention
The objective of the invention is to, a kind of method of the pattern-making in the metal surface newly is provided, technical problem to be solved is to make the pattern of the metal surface of making have more sight, promotes the visual effect of metal surface, thereby is suitable for practicality more.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.The method of a kind of pattern-making that proposes according to the present invention in the metal surface, it may further comprise the steps: the abrasive blasting polishing is carried out in first metal surface, obtain second metal surface;
Oxidation is cleaned in said second metal surface, obtain the 3rd metal surface;
At the photoresists of said the 3rd metal surface printing predetermined pattern, and photoresists are solidified, obtain the 4th metal surface;
Developed in said the 4th metal surface, photographic fixing or silk-screen are handled, and obtain the five metals metal surface;
Said five metals metal surface is carried out corrosion oxidation, the metal surface that is not printed on photoresists is corroded, obtain having the 6th metal surface of predetermined pattern.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Preferably, the method for aforesaid pattern-making in the metal surface, the process conditions of wherein said sandblast are for adopting 120 order sand, and jetting pressure is a 2.0Kg air pressure.
Preferably, the method for aforesaid pattern-making in the metal surface, wherein said cleaning oxidation comprises: the alkali erosion, under 85-95 ℃ temperature, with the solution soaking 20-30 second of 200g/L NaOH and 150g/L sodium nitrate; Carry out electrobrightening, the mixed solution that adopts phosphoric acid and sulfuric acid carries out 160-240 second as electrolyte under 100 ℃; Carrying out anodic oxidation, is in the sulfuric acid solution of 150-250g/L in concentration, temperature 20-25 ℃, carries out 20-30 minute under the voltage 13.5V condition; And sealing of hole.
Preferably, the method for aforesaid pattern-making in the metal surface, wherein said corrosion oxidation comprises: clean corrosive liquid; The photograph floral designs, developing fixing or silk-screen corrosion printing ink; NaOH and sodium nitrite solution are adopted in corrosion, corrode 300-500 second down at 80-90 ℃; Two-step anodization is in the sulfuric acid solution of 150-250g/L in concentration, temperature 20-25 ℃, carries out 20-30 minute under the voltage 13.5V condition; Sealing of hole, the DX-500 solution of 5-10g/L, under 90 ℃ of the temperature, 15-20 minute.
Preferably, the method for aforesaid pattern-making in the metal surface, the photoresists of printing predetermined pattern in the 3rd metal surface, and photoresists are solidified, when obtaining the 4th metal surface, can adopt photographic process photographic fixing or screen printing technique.
Preferably, the method for the aforesaid pattern-making in the metal surface before the abrasive blasting polishing step, is carried out punching press earlier therein, forms first metal surface with preset shape.
Preferably, the method for aforesaid pattern-making in the metal surface, wherein said first metal is processed by aluminum.
By technique scheme, the present invention has advantage at least: the present invention is directed to the defective that prior art exists, propose the method for the pattern-making in the metal surface, its advantage is:
Embodiments of the invention adopt aluminium corrosion secondary oxidation technology, realize having the panel of third dimension floral designs, and floral designs obtain two kinds of various colors by secondary oxidation.Panel adopts the stretching cold extruding formation process.Realization is not more than the R fillet that 0.36 flatness required and be not below or equal to 1.2 standard, has greatly improved the appearance of panel, has improved product specification.
In sum; The method of the pattern-making that the present invention proposes in the metal surface; It has above-mentioned many advantages and practical value; And in like product, do not see have similar scheme to publish or use and really genus innovation, it is had large improvement technically, and has produced handy and practical effect.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention, understands technological means of the present invention in order can more to know, and can implement according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. specify as after.
Description of drawings
Fig. 1 is the product pattern sketch map of one embodiment of the present of invention.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of method, characteristic and the effect thereof of the pattern-making that proposes according to the present invention in the metal surface, specify as after.
Embodiment 1
One embodiment of the present of invention have proposed the method for the pattern-making in the metal surface, and it mainly comprises: form the preset shape and the surface of preparing pattern-making of metal through punching course, preferable is smooth surface;
The abrasive blasting polishing is carried out in this metal surface, and its process conditions are for adopting 120 order sand, and jetting pressure is 2.0-2.5Kgf/cm
2, twice of sandblast;
Oxidation is cleaned in metal surface to grinding and polishing is crossed: at first be the alkali erosion, under 90 ℃ temperature, with the solution soaking 20-30 second of 200g/L NaOH and 150g/L sodium nitrate; Carry out electrobrightening again, the mixed solution that adopts phosphoric acid and sulfuric acid carries out 160-240 second as electrolyte under 100 ℃; Carrying out anodic oxidation then, is in the sulfuric acid solution of 150-250g/L in concentration, and 23.5 ℃ of temperature were carried out 20-30 minute under the voltage 13.5V condition; Sealing of hole:, the DX-500 solution of 5-10g/L, under 90 ℃ of the temperature, 15-20 minute.
Corrosion oxidation is carried out in this metal surface, the metal surface that is not printed on photoresists is corroded, obtain having the metal surface of predetermined pattern, comprising: corrosion, adopt NaOH and sodium nitrite solution, corrode 300-500 second down at 80-90 ℃; Clean corrosive liquid, use degumming liquid to remove photoresists; Anodic oxidation is in the sulfuric acid solution of 150-250g/L in concentration, temperature 20-25 ℃, carries out 20-30 minute under the voltage 13.5V condition; Sealing of hole, the DX-500 solution of 5-10g/L, under 90 ℃ of the temperature, 15-20 minute.
With the aluminium sheet is example, according to embodiment 1 described method, the aluminium block plate is stamped into aluminum deck, sandblast at twice then earlier: 120 order sand, 2.0Kgf/cm
2Alkali erosion (chemical analysis): NaOH (NaOH) 200g/L sodium nitrate (NaNO
3) 150g/L, 25 seconds time, 90 ℃ of temperature; Electrobrightening (chemical analysis): 75% phosphoric acid (H
3PO
4), 25% sulfuric acid (H
2SO
4) mixed solution, 180 seconds time, 100 ℃ of temperature; Anodic oxidation (chemical analysis): sulfuric acid (H
2SO
4) concentration is 200g/L, 24 minutes used time, 23.5 ℃ of temperature, voltage 13.5V; Sealing of hole: its concentration of hole sealing agent DX-500 is 10g/L, 15 minutes processing times, 90 ℃ of temperature; At the photoresists of this surface of aluminum plate printing predetermined pattern, toasted 40 minutes down then, photoresists are solidified at 80 ℃; Then, photographic fixing is developed.Corrosion, adopting concentration is the NaOH of 200g/L and the sodium nitrite solution of 150g/L, corrodes 400 seconds down at 85 ℃; Use degumming liquid to remove photoresists; In concentration is in the sulfuric acid solution of 200g/L, and 23 ℃ of temperature were carried out 25 minutes under the voltage 13.5V condition; Sealing of hole, the DX-500 solution of 5g/L, under 90 ℃ of the temperature, 20 minutes.Can obtain the aluminium sheet with picture on surface as shown in Figure 1.The degree of depth of the corrosion bottom surface of this instance 1 is 0.03, adopts the photographic exposure corroding method, and resolution ratio is 0.10, adopts stretching cold-stamped combination process, and panel reaches 0.36 flatness and radius (R) smaller or equal to 1.2 bending fillet.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (7)
1. the method for the pattern-making in the metal surface is characterized in that, may further comprise the steps:
The abrasive blasting polishing is carried out in first metal surface, obtain second metal surface;
Oxidation is cleaned in said second metal surface, obtain the 3rd metal surface;
At the photoresists of said the 3rd metal surface printing predetermined pattern, and photoresists are solidified, obtain the 4th metal surface;
Developed in said the 4th metal surface, photographic fixing or silk-screen are handled, and obtain the five metals metal surface;
Said five metals metal surface is carried out corrosion oxidation, the metal surface that is not printed on photoresists is corroded, obtain having the 6th metal surface of predetermined pattern.
2. method according to claim 1 is characterized in that, the process conditions of wherein said sandblast are for adopting 120 order sand, and jetting pressure is a 2.0Kg air pressure.
3. method according to claim 1 is characterized in that wherein said cleaning oxidation comprises:
The alkali erosion is under 85-95 ℃ temperature, with the solution soaking 20-30 second of 200g/L NaOH and 150g/L sodium nitrate;
Carry out electrobrightening, the mixed solution that adopts phosphoric acid and sulfuric acid carries out 160-240 second as electrolyte under 100 ℃;
Carrying out anodic oxidation, is in the sulfuric acid solution of 150-250g/L in concentration, temperature 20-25 ℃, carries out 20-30 minute under the voltage 13.5V condition; And
Sealing of hole.
4. method according to claim 1 is characterized in that wherein said corrosion oxidation comprises:
Clean corrosive liquid;
The photograph floral designs, the corrosion-resistant printing ink of developing fixing or silk-screen;
NaOH and sodium nitrite solution are adopted in corrosion, corrode 300-500 second down at 80-90 ℃;
Two-step anodization is in the sulfuric acid solution of 150-250g/L in concentration, temperature 20-25 ℃, carries out 20-30 minute under the voltage 13.5V condition;
Sealing of hole, the DX-500 solution of 5-10g/L, under 90 ℃ of the temperature, 15-20 minute.
5. method according to claim 1 is characterized in that, at the photoresists of said the 3rd metal surface printing predetermined pattern, and photoresists is solidified, and when obtaining the 4th metal surface, can adopt photographic process photographic fixing or screen printing technique.
6. method according to claim 1 is characterized in that before the abrasive blasting polishing step, also comprising: carry out punching press, form said first metal surface with preset shape.
7. according to each described method of claim 1-6, it is characterized in that wherein said first metal processed by aluminum.
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| CN2008101008842A CN101519016B (en) | 2008-02-25 | 2008-02-25 | Method for making patterns on metal surfaces |
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|---|---|---|---|
| CN2008101008842A CN101519016B (en) | 2008-02-25 | 2008-02-25 | Method for making patterns on metal surfaces |
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| CN101519016B true CN101519016B (en) | 2012-07-25 |
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| CN102071426B (en) * | 2009-11-25 | 2012-10-03 | 中国科学院金属研究所 | Method for eliminating recrystallization of directionally solidified nickel-based high-temperature alloy |
| FR2963267B1 (en) * | 2010-07-28 | 2012-08-17 | Michel Renzi | DEVICE FOR ETCHING BY MICROBILTING ON A METAL SUPPORT, THE SURFACE OF WHICH IS DETERMINED BY MASKING USING A SCREEN CONSISTING OF A REMOVABLE ADHESIVE MATERIAL |
| CN102345126B (en) * | 2010-08-05 | 2014-08-20 | 汉达精密电子(昆山)有限公司 | Method for treating surface of metal workpiece |
| CN103182683B (en) * | 2011-12-30 | 2017-03-08 | 广州江瑞机电设备有限公司 | The method of pattern-making and metal shell obtained by this method on metal shell |
| CN103422135B (en) * | 2012-05-15 | 2016-05-11 | 可成科技股份有限公司 | There is the manufacture method of the metal works on sliding-proof layer keratin sense surface |
| US9187841B2 (en) | 2012-08-16 | 2015-11-17 | Catcher Technology Co., Ltd. | Method of forming skid-proof leather-texture surface on metallic substrate |
| CN103060876B (en) * | 2013-01-07 | 2015-05-27 | 佛山泰铝新材料有限公司 | Aluminum sheet continuous porcelain texture pattern effect anodic light oxidation composite process |
| US20140246323A1 (en) * | 2013-03-01 | 2014-09-04 | Htc Corporation | Methods for Treating Aluminum Surfaces |
| CN103342078A (en) * | 2013-07-10 | 2013-10-09 | 张永平 | Production method of metal etching handicraft picture |
| TWI547388B (en) * | 2013-12-05 | 2016-09-01 | Taiwan Green Point Entpr Co | Surface treatment of aluminum-containing products and their products with grain lines method |
| CN104588609B (en) * | 2014-12-16 | 2017-01-11 | 海丰县龙兴机械科技有限公司 | Novel precious metal snowflake pattern manufacturing method |
| CN105543933B (en) * | 2015-12-17 | 2017-09-29 | 广东欧珀移动通信有限公司 | A kind of 3D effect process of surface treatment |
| CN106929851B (en) * | 2015-12-30 | 2019-11-22 | 比亚迪股份有限公司 | A kind of Al-alloy casing and preparation method thereof |
| CN105583292B (en) * | 2016-01-09 | 2017-08-11 | 长春理工大学 | Big aspect ratio micropore complex machining device and method based on the pre- bath effect of impression |
| CN105856941A (en) * | 2016-04-08 | 2016-08-17 | 秦佳欢 | Surface treatment process for conducting alkaline etching (three-dimensional wood grain) on metal surface |
| CN105951152B (en) * | 2016-05-19 | 2018-11-02 | 深圳天珑无线科技有限公司 | A kind of processing method and its Al-alloy products of aluminum alloy surface texture |
| CN105926017B (en) * | 2016-05-19 | 2018-11-27 | 深圳天珑无线科技有限公司 | A kind of processing method and its Al-alloy products of aluminum alloy surface texture |
| CN106947993A (en) * | 2017-03-27 | 2017-07-14 | 东莞智富五金制品有限公司 | A kind of noninductive light anodic process |
| CN108130578A (en) * | 2017-12-07 | 2018-06-08 | 研精舍(上海)精密机械加工有限公司 | Metallic mirror surface LOGO manufacture crafts |
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