CN102218961A - Environment-friendly coating method for implementing blackening bronze wire drawing element on metal piece - Google Patents
Environment-friendly coating method for implementing blackening bronze wire drawing element on metal piece Download PDFInfo
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Abstract
The invention provides an environment-friendly coating method for implementing a blackening bronze wire drawing element on a metal piece, relating to a surface processing method of a metal piece. The method comprises the steps of dry cleaning and activating metal blanks; performing metallic black dyeing on the activated metal blanks; carrying out wire drawing on the black dyed metal blanks to draw out required patterns; dry cleaning and activating the wire-drawn metal blanks; painting additive color finishing varnish on the metal blanks that have wire-drawing patterns, and finishing implementing environment-friendly coating on the blackening bronze wire drawing element on the metal piece. On the basis of tests, the coating metal product has the advantages of corrosion resistance, wear resistance, weathering resistance, temperature resistance, colorful performance and the like, and is comparative to the quality of the traditional water (wet) plating metal product. Meanwhile, the method has the advantages of simple procedure, less consumption of metals used in the process and less waste gas and waste water, therefore being an economic and environment-friendly novel coating technology.
Description
Technical field
The present invention relates to a kind of surface treatment method of metalwork, especially relate to the environment-friendly type film plating process of implementing blackout bronze wire drawing part on a kind of metalwork.
Background technology
Along with the raising of people's living standard, single bright chromium water power plating can not have been satisfied the diversified demand of people, and therefore carrying out colorful plated film in the metal surface is a kind of trend.At present, metalwork surface blackening bronze drawing process is a chemically blackening behind employing water power brass plating or red metal or the blue or green bronze, again the technology of wire drawing spray Lacquer finish finish paint.But there is following shortcoming in tradition blackout bronze drawing process technology: (1) complex process (the metalwork polishing---removing oil-removing wax---brass plating, bronze, red metal---chemically blackening---wire drawing---sprays paint), the cycle long (3h); (2) the water consumption power consumption is big, and a large amount of waste water of output; (3) the consumption amount of metal is big.Obviously, this traditional handicraft environmental pollution is quite big, and complex process is needed improvement badly.
For many years, numerous scientific research persons are devoted to the traditional water electroplating technology and improve, and obtain certain initial achievements:
Chinese patent 200910135647.4 provides a kind of metal material surface to imitate metallic copper backguy technology, be to utilize hot transfer printing to obtain the effect of imitative copper wire drawing, but it is applicable to product simple in structure, its production cost height, the manufacturing process complexity, and preparation temperature reaches more than 180 ℃, and common plastics can't be used.
Imitative copper door is to be made by electrolytic zinc-coated steel sheet, and the color paint close with the copper door is gone up in the surface spraying, reaches similar to the copper door, and its technology is as follows: first: priming paint, play the effect of protection and leveling.Second: finish paint is red metal, red copper, several colors of brass now substantially.The the 3rd: black coating, spray black paint.The the 4th: manually wire drawing.The 5th: Lacquer finish generally is inferior light and Gao Guang.
A kind of water-based bronze-like coating is provided Chinese patent 201010208700.1 and in the application of imitating the copper door, its step is as follows: 1) metal surface conventional chemical preliminary treatment makes the metal surface clean and smooth smooth; 2) spraying contains the water paint of pigment, and thickness is at 200～300 μ m; 3) after the drying, the spray black lacquer; 4) wire drawing again after the drying; 5) coating hood finish coat varnish, oven dry.Yet there is following problem in this technology:
1) the imitative copper door of making will be through spraying of 3 roads and the baking of 3 roads, 20～30min drying time of per pass, and process cycle is long;
What 2) need spraying 200～300 μ m thickness contains look coating, cost height and complex process.
Summary of the invention
The objective of the invention is at difficult points such as not environmental protection that has enforcement blackout bronze wire drawing on metal now and complex process, the environment-friendly type film plating process of implementing blackout bronze wire drawing part on a kind of metalwork is provided, this method only need be dyed black in colored paint together, by wire drawing, to dye black metalwork and pull out lines, utilize the principle that does not develop the color on the black again, spraying colored paint, the metalwork of the bronze wire drawing part outward appearance that can obtain to turn black.
The present invention includes following steps:
1) metal blank is carried out dry clean and activation;
In step 1), described metal blank can be a kind of in iron, aluminium alloy, magnesium alloy, kirsite and the copper alloy etc.;
The concrete grammar of described dry clean is as follows: earlier with dried cloth wiping metal blank surface, remove grease and dust, utilize the grease of high-temperature flame treatment metal surface then, reach the purpose of oil removing grease removal, by electrostatic precipitation, remove dust that is adsorbed on the metal blank surface and the particle that burns and produce again;
The concrete grammar of described activation is as follows: the extension contacting metal surface by high-temperature flame treatment, and make its moment reach 1000 ℃ high temperature, make the metal blank surface have a large amount of polar bonds, be easy to paint film and form good combination power.
Described high-temperature flame treatment can adopt gas as burning gases, the time 1～300s of processing.
2) metal blank after will activating carries out metal and dyes black;
In step 2) in, described metal dyes black, can be to adopt physical vapor deposition (PVD) plating black film, or chemistry dye black, or spray black paint etc.
3) will dye black metal blank and carry out wire drawing, pull out required lines;
In step 3), described wire drawing can be adopted conventional pulling wheel wire drawing.
4) metal blank after the wire drawing is carried out dry clean and activation;
In step 4), the concrete grammar of described dry clean is as follows: earlier with dried cloth wiping metal blank surface, remove grease and dust, utilize the grease of high-temperature flame treatment metal surface then, reach the purpose of oil removing grease removal, by electrostatic precipitation, remove dust that is adsorbed on the metal blank surface and the particle that burns and produce again;
The concrete grammar of described activation is as follows: the extension contacting metal surface by high-temperature flame treatment, and make its moment reach 1000 ℃ high temperature, make the metal blank surface have a large amount of polar bonds, be easy to paint film and form good combination power.
Described high-temperature flame treatment can adopt gas as burning gases, the time 1～300s of processing.
The metal blank spraying Lacquer finish additive color finish paint of the wire drawing lines that 5) step 4) is obtained is promptly finished the environment-friendly type plated film of implementing blackout bronze wire drawing part on metalwork.
In step 5), described spraying Lacquer finish additive color finish paint can be dull surface lacquer or light top coat top coat etc., and the color of described additive color finish paint can be selected from a kind of color in copper, bronze colour, the brass etc., and described finish paint can be ultraviolet light polymerization lacquer or hot curing varnish etc.; The thickness of described coating hood finish coat varnish can be 5～60 μ m.
Because film layer structure of the present invention adopts one deck blackout layer, one deck organic coating, color by the allotment organic coating, the principle of utilizing black not develop the color, allocate the metal color under the black layer, obtain copper, bronze and brassy effect, this technology is eliminated traditional water brass plating, blue or green bronze and this procedure of red metal, reaches the product of electroplating close appearance with existing traditional water (wet method).
After tested, advantage such as that the metallization metallic article that is made by the present invention not only has is anticorrosion, wear-resisting, weather-proof, heatproof and colorful property can compare favourably with traditional water (wet method) plated metal product quality.Simultaneously, operation is simple, the metal consumption is little in the process, and waste gas waste water is less, so be the novel coating technique of a kind of economy and environmental protection.The present invention has opened up blackening metal surfaces bronze wire drawing plated film field, plates out product function excellence and good appearance, is highly suitable for bathroom, electronics, household electrical appliances and automobile and other industries.
The specific embodiment
Following examples will the present invention is further illustrated.
The red bronze wire drawing of embodiment 1 one kinds of ironware air port platings blackout
1) dry clean and activation are carried out in the air port of ironware punching press, flame treatment time 180s.
2) will put into the PVD stove through the workpiece after step 1 is handled, plating TiC black film.
3) ironware that will plate black film carries out automatic wire drawing, pulls out required lines, exposes the silvery white metal of ground.
4) wire drawing is good ironware carries out dry clean and activation, flame treatment time 10s.
5) will be through the ironware of step 4), the thick copper transparent powder paint of spray one deck 50 μ m.With preheat temperature (120 ℃ * 5min), again through levelling (150 ℃ * 5min), again through solidify (180 ℃ * 15min).
The concrete grammar of described dry clean is as follows: earlier with dried cloth wiping metal blank surface, remove grease and dust, utilize the grease of high-temperature flame treatment metal surface then, reach the purpose of oil removing grease removal, by electrostatic precipitation, remove dust that is adsorbed on the metal blank surface and the particle that burns and produce again;
The concrete grammar of described activation is as follows: the extension contacting metal surface by high-temperature flame treatment, and make its moment reach 1000 ℃ high temperature, make the metal blank surface have a large amount of polar bonds, be easy to paint film and form good combination power.
Described high-temperature flame treatment can adopt gas as burning gases, the time 1～300s of processing.
Technology resulting product thus reaches the ironware air port of the red bronze wire drawing outward appearance of blackout, and can be by following functional test:
(A) CASS anticorrosion: 16h;
(B) 4 circulations of thermal shock circulation;
(C) knockout impacts: the 12L knockout;
(D) adhesion (hundred cut): 5A;
(E) water logging is 38 ℃: 24h;
(F) pencil hardness (Mitsubishi): 2H;
The blue or green bronze wire drawing of embodiment 2 one kinds of kirsite switch panel platings blackout
1) switch panel with the punching press kirsite carries out dry clean and activation, ionic flame processing time 240s.
2) will carry out the chemical agent blackout through the workpiece after step 1 is handled, obtain black film.
3) zinc alloy piece that will plate black film carries out automatic wire drawing, pulls out required lines, exposes the silvery white metal of ground.
4) wire drawing is good zinc alloy piece carries out dry clean and activation, ionic flame processing time 10s.
5) will be through the zinc alloy piece of step 4), the transparent ultraviolet-curing paint of spray one deck thick bronze of 25 μ m.With levelling (80 ℃ * 5min), again through ultraviolet light polymerization (1200mj/cm
2).
The concrete grammar of described dry clean and activation is identical with embodiment 1.
Technology resulting product thus reaches the switch panel of the blue or green bronze wire drawing outward appearance of blackout, and can be by following functional test:
(A) CASS anticorrosion: 16h;
(B) 4 circulations of thermal shock circulation;
(C) knockout impacts: the 12L knockout;
(D) adhesion (hundred cut): 5A;
(E) water logging is 38 ℃: 24h;
(F) pencil hardness (Mitsubishi): 2H;
The yellow bronze wire drawing of turning black of 3 one kinds of aluminum alloy handles of embodiment
1) aluminum alloy handle is carried out dry clean and activation, ionic flame processing time 4min.
2) will obtain the thick black paint film of 5um through the spray of the workpiece after step 1 is handled black paint.
3) Al-alloy parts with black coating colored paint film carries out automatic wire drawing, pulls out required lines, exposes the silvery white metal of ground.
4) wire drawing is good Al-alloy parts carries out dry clean and activation, ionic flame processing time 4s.
5) will be through the Al-alloy parts of step 4), the bronze-colored transparent powder paint of the spraying thick Huang of one deck 50um.With preheat temperature (110 ℃ * 5min), again through levelling (120 ℃ * 5min), again through solidify (140 ℃ * 25min).
The concrete grammar of described dry clean and activation is identical with embodiment 1.
Technology resulting product thus reaches the aluminum alloy handle of the yellow bronze wire drawing outward appearance of blackout, and can be by following functional test:
(A) CASS anticorrosion: 16h;
(B) 4 circulations of thermal shock circulation;
(C) knockout impacts: the 12L knockout;
(D) adhesion (hundred cut): 5A;
(E) water logging is 38 ℃: 24h;
(F) pencil hardness (Mitsubishi): 1H;
The blue or green bronze wire drawing of embodiment 4 one Albatra metal-s tap blackout
1) the copper alloy tap is carried out dry clean and activation, ionic flame processing time 2min.
2) will carry out chemistry through the workpiece after step 1 is handled and dye blackly, obtain to dye black metal blank.
3) copper alloy part that will plate black film carries out wire drawing, pulls out required lines, exposes ground coppery metal.
4) wire drawing is good copper alloy part carries out dry clean and activation, ionic flame processing time 30s.
5) will be through the copper alloy part of step 4), the transparent electrophoretic coating of the thick bronze of electrophoresis one deck 20um.With preheat temperature (120 ℃ * 5min), again through levelling (150 ℃ * 5min), again through solidify (170 ℃ * 15min).
The concrete grammar of described dry clean and activation is identical with embodiment 1.
Technology resulting product thus reaches the copper alloy tap of the blue or green bronze wire drawing outward appearance of blackout, and can be by following functional test:
(A) CASS anticorrosion: 16h;
(B) 4 circulations of thermal shock circulation;
(C) knockout impacts: the 12L knockout;
(D) adhesion (hundred cut): 5A;
(E) water logging is 38 ℃: 24h;
(F) pencil hardness (Mitsubishi): 1H;
Above functional test comprises:
1, anticorrosive functional test:
1) CASS test (ASTM B368-09);
2) AASS test (ASTM G85-09).
2, abrasion resisting functional test:
Sand trail (ASTM D968-05).
3, adhesion test:
1) hundred cuts test (ASTM D3359-02);
2) thermal cycling test (ASME A112.18.1-2005/CSAB125.1-05).
4, water-fast test
Water logging test (ASTM D870-02).
5, scratch resistance test
1) pencil hardness test (ASTM D3363-05).
Claims (10)
1. implement the environment-friendly type film plating process of blackout bronze wire drawing part on the metalwork, it is characterized in that may further comprise the steps:
1) metal blank is carried out dry clean and activation;
2) metal blank after will activating carries out metal and dyes black;
3) will dye black metal blank and carry out wire drawing, pull out required lines;
4) metal blank after the wire drawing is carried out dry clean and activation;
The metal blank spraying Lacquer finish additive color finish paint of the wire drawing lines that 5) step 4) is obtained is promptly finished the environment-friendly type plated film of implementing blackout bronze wire drawing part on metalwork.
2. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 1), a kind of in described metal blank chosen from Fe, aluminium alloy, magnesium alloy, kirsite and the copper alloy.
3. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 1) and 4) in, the concrete grammar of described dry clean is as follows: earlier with dried cloth wiping metal blank surface, remove grease and dust, utilize the grease of high-temperature flame treatment metal surface then, reach the purpose of oil removing grease removal,, remove dust that is adsorbed on the metal blank surface and the particle that burns and produce again by electrostatic precipitation.
4. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 1) and 4) in, the concrete grammar of described activation is as follows: the extension contacting metal surface by high-temperature flame treatment makes its moment reach 1000 ℃ high temperature.
5. as implementing the environment-friendly type film plating process of blackout bronze wire drawing part on claim 3 or the 4 described a kind of metalworks, it is characterized in that in step 1) and 4) in, described high-temperature flame treatment adopts gas as burning gases, the time 1～300s of processing.
6. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 2) in, described metal dyes black, be to adopt physical vapour deposition (PVD) plating black film, or chemistry dye black, or spray black paint.
7. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 3) conventional pulling wheel wire drawing is adopted in described wire drawing.
8. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 5), described spraying Lacquer finish additive color finish paint is dull surface lacquer or light top coat top coat.
9. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 5) the color of described additive color finish paint is selected from a kind of color in copper, bronze colour, the brass.
10. implement the environment-friendly type film plating process of blackout bronze wire drawing part on a kind of metalwork as claimed in claim 1, it is characterized in that in step 5), described finish paint is ultraviolet light polymerization lacquer or hot curing varnish; The thickness of described coating hood finish coat varnish is 5～60 μ m.
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Cited By (10)
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| CN102758177A (en) * | 2012-07-31 | 2012-10-31 | 宁波威霖住宅设施有限公司 | Method for bi-color wire drawing dry film plating of metal piece |
| CN102758170A (en) * | 2012-07-31 | 2012-10-31 | 厦门建霖工业有限公司 | Method for high-power vacuum plating and antique color wire drawing of plastic substrate |
| CN102991264A (en) * | 2012-11-28 | 2013-03-27 | 屹洋(上海)金属结构件有限公司 | Manufacturing method of antique copper |
| CN103741110A (en) * | 2014-01-19 | 2014-04-23 | 遵化市超越钛金设备有限公司 | Production technology of vacuum coating antique copper |
| CN103911608A (en) * | 2013-01-07 | 2014-07-09 | 深圳市华圣达拉链有限公司 | Dark bronze plating method of zipper pullers, and dark bronze solution used therein |
| CN105935655A (en) * | 2016-06-09 | 2016-09-14 | 来安县恒瑞交通设备科技有限公司 | Paint spraying process of subway cab door |
| CN106086999A (en) * | 2016-08-31 | 2016-11-09 | 山东豪门铝业有限公司 | A kind of ability cathode electrophoresis double-colored bronze wire drawing element aluminium section bar preparation technology |
| CN107287551A (en) * | 2017-06-22 | 2017-10-24 | 合肥汇之新机械科技有限公司 | A kind of surface of metal product film plating process |
| TWI627314B (en) * | 2017-03-23 | 2018-06-21 | Environment-friendly copper-like metal article processing method | |
| CN110180768A (en) * | 2019-05-23 | 2019-08-30 | 雅安宸皓机械有限公司 | Automotive hub processing technology |
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| CN102758170A (en) * | 2012-07-31 | 2012-10-31 | 厦门建霖工业有限公司 | Method for high-power vacuum plating and antique color wire drawing of plastic substrate |
| CN102758177A (en) * | 2012-07-31 | 2012-10-31 | 宁波威霖住宅设施有限公司 | Method for bi-color wire drawing dry film plating of metal piece |
| CN102758170B (en) * | 2012-07-31 | 2014-12-10 | 厦门建霖工业有限公司 | Method for high-power vacuum plating and antique color wire drawing of plastic substrate |
| CN102758177B (en) * | 2012-07-31 | 2014-12-31 | 宁波威霖住宅设施有限公司 | Method for bi-color wire drawing dry film plating of metal piece |
| CN102991264A (en) * | 2012-11-28 | 2013-03-27 | 屹洋(上海)金属结构件有限公司 | Manufacturing method of antique copper |
| CN103911608B (en) * | 2013-01-07 | 2016-05-25 | 深圳市华圣达拉链有限公司 | Slider of zipper fastener black coating bronze method and be applied to the black bronze liquid medicine of the method |
| CN103911608A (en) * | 2013-01-07 | 2014-07-09 | 深圳市华圣达拉链有限公司 | Dark bronze plating method of zipper pullers, and dark bronze solution used therein |
| CN103741110A (en) * | 2014-01-19 | 2014-04-23 | 遵化市超越钛金设备有限公司 | Production technology of vacuum coating antique copper |
| CN105935655A (en) * | 2016-06-09 | 2016-09-14 | 来安县恒瑞交通设备科技有限公司 | Paint spraying process of subway cab door |
| CN106086999A (en) * | 2016-08-31 | 2016-11-09 | 山东豪门铝业有限公司 | A kind of ability cathode electrophoresis double-colored bronze wire drawing element aluminium section bar preparation technology |
| TWI627314B (en) * | 2017-03-23 | 2018-06-21 | Environment-friendly copper-like metal article processing method | |
| CN107287551A (en) * | 2017-06-22 | 2017-10-24 | 合肥汇之新机械科技有限公司 | A kind of surface of metal product film plating process |
| CN110180768A (en) * | 2019-05-23 | 2019-08-30 | 雅安宸皓机械有限公司 | Automotive hub processing technology |
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Address after: 315722 Lingang Industrial Zone, Xizhou County, Xiangshan County, Zhejiang Province Patentee after: NingBo Runner Industrial Corporation Address before: Xiangshan County, Zhejiang province 315722 Ningbo City sink West Industrial Zone No. 8 Patentee before: NingBo Runner Industrial Corporation |