CN102133570A - Coloring and painting process for surface of hardware - Google Patents
Coloring and painting process for surface of hardware Download PDFInfo
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- CN102133570A CN102133570A CN2010101066188A CN201010106618A CN102133570A CN 102133570 A CN102133570 A CN 102133570A CN 2010101066188 A CN2010101066188 A CN 2010101066188A CN 201010106618 A CN201010106618 A CN 201010106618A CN 102133570 A CN102133570 A CN 102133570A
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Abstract
The invention discloses a coloring and painting process for the surface of hardware, comprising the following work procedures: material cleaning, racking, electrostatic precipitation, prime coat spraying, top coat spraying and ultraviolet curing. In the process of top coat spraying, matte UV oil is adopted as coat, the matte UV oil is a liquid material formed by adding matte powder in highlight UV oil, the particle size of the matte powder in the liquid coat is 5-50mum, a high-pressure automatic spray gun uniformly covers the matte UV oil on the surface of hardware sprayed by prime coat, and due to drying, solvent in the liquid coat volatilizes completely so as to form finish paint with a matte effect. In the invention, the hardware has low requirement on polishing or other pretreatment, a paint vehicle film layer formed by the painting process is good in covering capability, can cover the small defects of sand holes, scratching and the like on the surface of the hardware, the effect of the matte fogging surface is indicated, the yield and the production rolled yield of the product are improved, and simultaneously, the product performances such as rotproofness, wearing resistance, scratch resistance and the like can be obtained.
Description
[technical field]
The present invention relates to a kind of spraying coating process, particularly a kind of five metals surface coloring spraying coating process.
[background technology]
Hardware is the important industry link that industry is made, and be instrument used in auxiliary products, semi-finished product and the production process in the industry manufacturing or the like because of most hardware.In long-term evolution, the hardware industry has become the industry of a comparative maturity, and the production technology basically identical of existing hardware after the handware punch forming, forms finished product through polished and cleaned, radium carving, surface coloring spraying.And, mainly can capture market with the client's or the surface treatment of five metals in the face of the more and more specialized market demand and more and more fierce competition.The surface-treated purpose of handware is adhering on the five metals surface by coating or coating; the good performances such as the five metals surface is not easy to scratch, anticorrosion, wear-resisting, anti-hand perspiration that are protected are handled by surface coloring simultaneously and are obtained the various appearance colors that the client needs.Wherein five metals steel disc, aluminium flake, zinc alloy surface spraying coloring process are exactly a kind of quick, surface treatment that cost is low, but, the spraying effect that existing handware is adopted always is high glossy surfaces effect: promptly spray transparent UV oil on handware, again by ultraviolet curing, obtain the high appearance of a kind of glossiness, and because high light effect transparency is good, the little defective of some of five metals surface (as sand hole, scuffing) also is difficult to cover in, so, can cause higher defective products, reduce the first-pass yield of product.And handware is done high finish surface technology, and material surface pre-treatment (as polishing) is had very high requirement, is unfavorable for reducing production costs.
[summary of the invention]
The objective of the invention is to: overcome the deficiencies in the prior art, a kind of five metals surface coloring spraying coating process is provided, this kind technology is lower to the requirement of five metals material surface pre-treatment, and can effectively improve handware spraying first-pass yield.
The object of the present invention is achieved like this: it comprises following operation: material cleaning, last hanger, electrostatic precipitation, spray primary coat, spray plane are coated with, ultraviolet curing, its improvements are: be coated with at spray plane and adopt mute light UV oil to do coating in the operation, mute light UV oil is to have added the liquid coating that mute light powder forms in high light UV oil, the mute particle diameter of light powder in liquid coating is 5～50um, evenly cover the five metals surface of having carried out the spray primary coat with will make mute light UV oil of high pressure automatic spray gun, through baking solvent in the liquid coating is volatilized fully and form mute light effect finish paint;
In the above-mentioned five metals surface coloring spraying coating process, described baking is carried out under 75～85 ℃ condition, and stoving time is 5 minutes;
In the above-mentioned five metals surface coloring spraying coating process, the particle diameter of described mute light powder is 5～15um;
In the above-mentioned five metals surface coloring spraying coating process, in the described material matting product is placed on and is added with except that cleaning 3 minutes in the supersonic generator of La Shui, cross and put into the radium carving cleaning solution 6 minutes that specialty is cleaned laser behind the running water, cross the clean back of water and soaked watery hydrochloric acid 30 seconds, after water is clean, soak hot pure water, the constant temperature oven braking is put in water outlet;
In the above-mentioned five metals surface coloring spraying coating process, described electrostatic precipitation operation is sprayed primary coat after making the five metals surface reach 100,000 grades of dustless states;
In the above-mentioned five metals surface coloring spraying coating process, selecting energy in the ultraviolet curing operation for use is that 800～1600 joules five metals spraying comes coating material solidified with the UV lamp.
Than the common high light technology in five metals surface, beneficial effect of the present invention is: to the pre-treatment of five metals material require low, the thickness that mute light powder has in the mute light UV oil, improved the covering power of rete, can hide the little defective such as sand hole, scuffing on material surface, manifest mute atomized surface effect, improve yield of products, produce first-pass yield, obtain properties of product such as good anti-corrosive properties, wearability, resistance to scraping simultaneously.
[specific embodiment]
Five metals surface coloring spraying coating process of the present invention mainly comprises following operation: material cleans, goes up hanger, electrostatic precipitation, primer spray, topcoating and ultraviolet curing.Below the present invention is described in detail further.
Material cleans: the main purpose of this operation is to remove dirty, the grease on five metals material surface, buffing wax, radium carving jaundice vestige, five metals workpiece through polishing or other pre-treatment is placed in the five metals workpiece cleaning supporting with it with on the hanger, the five metals workpiece was cleaned 3 minutes in being added with the supersonic generator of Wax removal water, cross and put into the radium carving cleaning solution 6 minutes that specialty is cleaned laser behind the running water, cross the clean back of water and soaked watery hydrochloric acid 30 seconds, after water is clean, soak hot pure water, the constant temperature baking oven is put in water outlet.
Last hanger: to the product judgement of testing, assemble with support with special-purpose spraying, the product that assembles is placed on the tool of automatic spraying coating line by qualified non-defective unit by full inspection person for the five metals workpiece after the oven dry.
Electrostatic precipitation: the main purpose of this operation is to handle the electrostatic adherence of five metals surface of the work, eliminates the material surface charge, reduces the ADHESION OF PAINTS resistant function, and removes the surface of the work dust fall with high-pressure spray gun.When product moves to the electrostatic precipitation cabinet by the drive of transfer matic delivery chain, at first blow pouring through the first road high pressure air pressure gun, after finishing through second electrostatic chest, at first product surface is shone by the high-frequency electrostatic rifle, eliminate five metals surface of the work static, with the high pressure air pressure gun workpiece is blown pouring once more, reach higher cleaning surfaces effect, after reaching 100,000 grades of dustless states, enter spray booth.
The spray primary coat: the purpose of this operation is in order to improve the adhesive force of spraying rete, the ground floor that belongs to whole sprayed surface effect, the steps include: to allow workpiece in the rotation of spraying indoor high-speed, spraying priming paint totally four is carried out 360 to the full-automatic high-pressure spray gun to workpiece and spend to spray with two group, surface of the work form layer of transparent, the extremely strong bottom surface of adhesive force lacquer so that the mute light effect finish paint of next procedure operation.
Spray plane is coated with: this operation adopts mute light UV oil to do coating, mute light UV oil is to have added the liquid coating that mute light powder forms in high light UV oil, it is made up of resin, light trigger, adhesion promoter, surfactant, solvent and mute light powder, the mute particle diameter of light powder in coating is approximately 5～15um, even 10 thicker～50um is arranged.Mute light UV oil evenly covers the five metals surface through the high pressure automatic spray gun, makes the five metals workpiece baking under 75～85 ℃ the condition about 5 minutes, solvent in the liquid coating is volatilized fully form mute light effect finish paint.
Ultraviolet curing: the main purpose of this operation is to utilize the intensive ultraviolet light irradiation, decomposes the paint volatilization, and instantaneous solidification coating allows coating and five metals material in conjunction with stronger, improves coating quality and film quality.Selecting energy for use is that 800～1600 joules five metals spraying is coated with the five metals workpiece of dull finishing coat with the UV light irradiation, and coating is in the reaction of action of ultraviolet radiation chain polymerization of following moment, and the molecular weight of system increases, and the solid-state dry film of formation crosslinking net is finished whole technology.
The foregoing description is preferred embodiment of the present invention only, is not to be used to limit scope of the present invention, when utilization, can simplify the foregoing description according to actual needs or the equivalence variation.
Claims (6)
1. five metals surface coloring spraying coating process, it comprises following operation: material cleaning, last hanger, electrostatic precipitation, spray primary coat, spray plane are coated with, ultraviolet curing, it is characterized in that: be coated with at spray plane and adopt mute light UV oil to do coating in the operation, mute light UV oil is to have added the liquid coating that mute light powder forms in high light UV oil, the mute particle diameter of light powder in liquid coating is 5～50um, evenly cover the five metals surface of having carried out the spray primary coat with will make mute light UV oil of high pressure automatic spray gun, through baking solvent in the liquid coating is volatilized fully and form mute light effect finish paint.
2. five metals surface coloring spraying coating process according to claim 1, it is characterized in that: described baking is carried out under 75～85 ℃ condition, and stoving time is 5 minutes.
3. five metals surface coloring spraying coating process according to claim 1 is characterized in that: the particle diameter of mute light powder is 5～15um.
4. five metals surface coloring spraying coating process according to claim 1, it is characterized in that: in the material matting product is placed on and is added with except that cleaning 3 minutes in the supersonic generator of La Shui, cross and put into the radium carving cleaning solution 6 minutes that specialty is cleaned laser behind the running water, cross the clean back of water and soaked watery hydrochloric acid 30 seconds, after water is clean, soak hot pure water, the constant temperature oven braking is put in water outlet.
5. five metals surface coloring spraying coating process according to claim 1 is characterized in that: the electrostatic precipitation operation is sprayed primary coat after making the five metals surface reach 100,000 grades of dustless states.
6. five metals surface coloring spraying coating process according to claim 1 is characterized in that: selecting energy in the ultraviolet curing operation for use is that 800～1600 joules five metals spraying comes coating material solidified with the UV lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101066188A CN102133570A (en) | 2010-01-26 | 2010-01-26 | Coloring and painting process for surface of hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101066188A CN102133570A (en) | 2010-01-26 | 2010-01-26 | Coloring and painting process for surface of hardware |
Publications (1)
| Publication Number | Publication Date |
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| CN102133570A true CN102133570A (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101066188A Pending CN102133570A (en) | 2010-01-26 | 2010-01-26 | Coloring and painting process for surface of hardware |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698907A (en) * | 2012-07-05 | 2012-10-03 | 昆山市圣吉川工业自动化设备有限公司 | Full-automatic coating production line |
| CN103572286A (en) * | 2013-11-07 | 2014-02-12 | 创金美科技（深圳）有限公司 | Recombined deposition and decoration method for magnesium alloy surfaces |
| CN103736643A (en) * | 2013-12-20 | 2014-04-23 | 柳州市五环水暖器材经营部 | Hardware surface spraying technology |
| CN105170432A (en) * | 2015-10-13 | 2015-12-23 | 太仓市和准电子科技有限公司 | Hardware surface coloring and spraying technology |
| CN105363657A (en) * | 2015-10-13 | 2016-03-02 | 太仓市和准电子科技有限公司 | Hardware surface spraying technique |
| CN107716250A (en) * | 2017-09-28 | 2018-02-23 | 惠州学院 | A kind of three-dimensional globule spraying method |
| CN109926283A (en) * | 2017-12-18 | 2019-06-25 | 江苏醉开心酒业有限公司 | A kind of beverage can mounted box spraying method |
| CN112439660A (en) * | 2019-08-30 | 2021-03-05 | 烟台霍富汽车锁有限公司 | Spraying method for surface of automobile door lock |
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| CN101093048A (en) * | 2007-08-09 | 2007-12-26 | 天津乐金新型建材有限公司 | Color frosted plastic-steel section bar, and manufacturing method |
| CN101210144A (en) * | 2006-12-30 | 2008-07-02 | 比亚迪股份有限公司 | Ultraviolet light solidifying matt coating and preparation method thereof |
| CN101311313A (en) * | 2007-05-25 | 2008-11-26 | 佛山市顺德区汉达精密电子科技有限公司 | Imitated titanium processing process for magnesium alloy |
| CN201294686Y (en) * | 2008-08-25 | 2009-08-19 | 比亚迪股份有限公司 | Casing with metal membrane layer |
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2010
- 2010-01-26 CN CN2010101066188A patent/CN102133570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210144A (en) * | 2006-12-30 | 2008-07-02 | 比亚迪股份有限公司 | Ultraviolet light solidifying matt coating and preparation method thereof |
| CN101311313A (en) * | 2007-05-25 | 2008-11-26 | 佛山市顺德区汉达精密电子科技有限公司 | Imitated titanium processing process for magnesium alloy |
| CN101093048A (en) * | 2007-08-09 | 2007-12-26 | 天津乐金新型建材有限公司 | Color frosted plastic-steel section bar, and manufacturing method |
| CN201294686Y (en) * | 2008-08-25 | 2009-08-19 | 比亚迪股份有限公司 | Casing with metal membrane layer |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698907A (en) * | 2012-07-05 | 2012-10-03 | 昆山市圣吉川工业自动化设备有限公司 | Full-automatic coating production line |
| CN103572286A (en) * | 2013-11-07 | 2014-02-12 | 创金美科技（深圳）有限公司 | Recombined deposition and decoration method for magnesium alloy surfaces |
| CN103572286B (en) * | 2013-11-07 | 2016-04-13 | 创金美科技（深圳）有限公司 | Mg alloy surface composite deposition trailing |
| CN103736643A (en) * | 2013-12-20 | 2014-04-23 | 柳州市五环水暖器材经营部 | Hardware surface spraying technology |
| CN105170432A (en) * | 2015-10-13 | 2015-12-23 | 太仓市和准电子科技有限公司 | Hardware surface coloring and spraying technology |
| CN105363657A (en) * | 2015-10-13 | 2016-03-02 | 太仓市和准电子科技有限公司 | Hardware surface spraying technique |
| CN107716250A (en) * | 2017-09-28 | 2018-02-23 | 惠州学院 | A kind of three-dimensional globule spraying method |
| CN109926283A (en) * | 2017-12-18 | 2019-06-25 | 江苏醉开心酒业有限公司 | A kind of beverage can mounted box spraying method |
| CN112439660A (en) * | 2019-08-30 | 2021-03-05 | 烟台霍富汽车锁有限公司 | Spraying method for surface of automobile door lock |
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Application publication date: 20110727 |