CN101530842A - Surface coating processing technology - Google Patents
Surface coating processing technology Download PDFInfo
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- CN101530842A CN101530842A CN200910038606A CN200910038606A CN101530842A CN 101530842 A CN101530842 A CN 101530842A CN 200910038606 A CN200910038606 A CN 200910038606A CN 200910038606 A CN200910038606 A CN 200910038606A CN 101530842 A CN101530842 A CN 101530842A
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Abstract
The invention discloses surface coating processing technology, which comprises the following steps: 1) performing neutral cleaning on workpieces to be processed; 2) performing pure water rinsing on the workpieces subjected to neutral cleaning by a pure water cleaning machine; 3) performing electrophoretic coating on the workpieces subjected to pure water rinsing to electrically deposit primer; 4) baking the workpieces after being electrically deposited the primer; 5) performing nano spraying plating on the baked workpieces; 6) performing electrophoretic coating on the workpieces subjected to nano spraying plating to electrically deposit finishing coat; 7) performing pure water rinsing on the workpieces after being electrically deposited the finishing coat; 8) performing final pure water washing on the workpieces subjected to pure water rinsing; and 9) baking the workpieces subjected to final pure water washing to complete the manufacturing process of a finished product. A coating film has surface weatherability and adhesiveness reaching 100 percent, 3H to 4H pencil hardness, excellent coating humidity and production yield reaching more than 95 percent.
Description
Technical field
The present invention relates to a kind of surface coating processing technology.
Background technology
Along with growth in the living standard, people have had more and more higher requirement to the outer surface glossiness of article.Some inevitable defectives that tradition is electroplated, vacuum plating has, glossiness is not high, electroplates producer and is constantly halted by government because of pollution problem, electroplates the scarcity of processing resource, raw-material rise etc.The corrosion resistance of existing spraying minute surface, hardness all have disappearance to a certain degree, owing to the weak property reducing agent that mostly is that uses in the spraying process, hear longer during reaction, lose big content of starting materials so have to, cause the waste of raw material and the raising of cost, speed of production is slower, and industrialization is difficult to.
Summary of the invention
The technical problem to be solved in the present invention provides the surface coating processing technology that a kind of environmental protection, weatherability and tack are strong, the humidity of filming is good, can realize industrialization.The present invention is achieved through the following technical solutions:
A kind of surface coating processing technology of the present invention is mainly used in workpiece to be processed is carried out external coating, may further comprise the steps:
1). workpiece to be processed is carried out neutrality clean;
2). the workpiece that will carry out after neutrality is cleaned carries out pure water rinsing again;
3). will carry out workpiece after the pure water rinsing and carry out electrophoretic painting and priming paint with electricity;
4). the workpiece that electricity behind the priming paint toasts;
5). the workpiece after will toasting carries out nano spray plating;
6). the workpiece behind the nano spray plating is carried out electrophoretic painting finish paint with electricity;
7). the workpiece that electricity behind the finish paint carries out pure water rinsing;
8). will carry out workpiece after the pure water rinsing and carry out final pure water and wash;
9). the workpiece after final pure water washed toasts finishes finished product manufacturing process.
As improvement, carry out electrophoresis and step 4 in step 3 and also comprise the step of carrying out pure water rinsing between toasting.
As improvement, carry out nano spray plating and step 6 carries out also comprising between the electrophoresis step of carrying out pure water rinsing in step 5.
As further improvement, pure water rinsing step after step 5 and step 6 carry out also comprising between the electrophoresis step of toasting.
As improvement, described neutral the cleaning comprises that Chemical cleaning, physics clean, ultrasonic wave cleans, PIG cleans, Cleaning by High Pressure Water Jet.
As improvement, the technological process of described nano spray plating is: at first carry out spot processing in early stage, carry out spraying plating priming paint then, and then oven dry, spraying plating equipment spray conversion zone is followed the spraying plating finish paint then, dries at last and finishes.
As improvement, described finish paint can be mixed colours.
A kind of surface coating processing technology of the present invention, owing to be nano spray plating again after electrophoresis priming paint, and then electrophoresis the processing technology of finish paint, surface of the work does not contain heavy metal, very environmental protection like this; And have the electroplated metal mirror effect, and also can add different colorants and transfer needed different color, elegant in appearance; And coated film surface weatherability and tack reach 100%, and 3H is to the 4H pencil hardness, and the humidity of filming is splendid; In addition, but also full automatic line and the manual line mass production of this processing technology, and the production yields promotes and reaches more than 95%.
The specific embodiment
A kind of surface coating processing technology of the present invention is mainly used in workpiece to be processed is carried out external coating, and workpiece to be processed can be metal, plastic cement etc.; May further comprise the steps: 1). workpiece to be processed is carried out neutrality with supersonic wave cleaning machine clean, certainly, also available other neutral cleaning, as: Chemical cleaning, physics cleaning, ultrasonic wave cleaning, PIG cleaning, Cleaning by High Pressure Water Jet etc.; 2). the workpiece that will carry out after neutrality is cleaned carries out pure water rinsing with the pure water cleaning machine again; 3). will carry out workpiece after the pure water rinsing and carry out electrophoretic painting and priming paint, then also comprise the step of carrying out pure water rinsing with electricity.4). the workpiece that electricity behind the priming paint toasts, as for metal works then temperature be 160 degree to baking between 180 degree about 30 minutes, as then adopting the UV photocuring for plastic cement, light and is generally 800-1100 milli Jiao; 5). the workpiece after will toasting carries out nano spray plating, comprises also that then the step of carrying out pure water rinsing, the step of then toasting again, baking temperature are that 65 degree were to baking between 100 degree 15 minutes; 6). the workpiece behind the nano spray plating is carried out electrophoretic painting finish paint with electricity, described finish paint can be mixed colours, and can add different colorants and transfer needed different color; 7). the workpiece that electricity behind the finish paint carries out pure water rinsing; 8). will carry out workpiece after the pure water rinsing and carry out final pure water and wash; 9). the workpiece after final pure water washed toasts finishes finished product manufacturing process.
Wherein, electrophoretic painting is called for short ED (electro-depositon), AED (anode electro-coating), CED (cathode electro-coating) in English; The electrophoretic painting process is followed the combination of four kinds of chemical physical actions such as electrophoresis, electro-deposition, electrolysis, electric osmose, films and form.Adopt dc source, metal works is dipped in the Electrophoretic Paints.After the energising, the cation paint particle moves to cathode-workpiece, and anion coating particle anode workpiece moves, and is deposited on then on the workpiece, forms even, continuous filming at surface of the work.Reach certain thickness (paint film resistance arrives to a certain degree greatly) when filming, surface of the work forms insulating barrier, and " heteropole is inhaled mutually " stops, and the electrophoretic painting process finishes.Whole electrophoretic painting process may be summarized to be following four steps: electrolysis: the electrolysis of water; Electrophoresis: charged polymer is respectively to the process of negative electrode or anode swimming; Electro-deposition: charged polymer is respectively in the process of negative electrode or anodic deposition; Electric osmose: the electrophoresis of deposition film contraction, slough solvent and water, form the wet film of even compact.Described in the present embodiment electrophoresis adopts acryl numerical value, certainly, also can adopt bright basic acid number value.
Described nano spray plating has another name called among silver mirror application or the NSP and is coated with, and its technological process is: at first carry out the early stage spot and handle, carry out spraying plating priming paint then, and then oven dry, spraying plating equipment spray conversion zone then, then the spraying plating finish paint is dried at last and is finished; In the present embodiment, described nano spray plating adopts the reaction of electric conductor silver ion.
A kind of surface coating processing technology of the present invention, owing to be nano spray plating again after electrophoresis priming paint, and then electrophoresis the processing technology of finish paint, surface of the work does not contain heavy metal, very environmental protection like this; And have the electroplated metal mirror effect, and also can add different colorants and transfer needed different color, elegant in appearance; And coated film surface weatherability and tack reach 100%, and 3H is to the 4H pencil hardness, and the humidity of filming is splendid; In addition, but also full automatic line and the manual line mass production of this processing technology, and the production yields promotes and reaches more than 95%.
The foregoing description; it is an example of the present invention; be not to be used for limiting enforcement of the present invention and interest field, all equivalences of being done according to the described process for making of the present patent application scope of patent protection change and modify, and all should be included in the present patent application claim.
Claims (7)
1. a surface coating processing technology is mainly used in workpiece to be processed is carried out external coating, it is characterized in that: may further comprise the steps:
1). workpiece to be processed is carried out neutrality clean;
2). the workpiece that will carry out after neutrality is cleaned carries out pure water rinsing again;
3). will carry out workpiece after the pure water rinsing and carry out electrophoretic painting and priming paint with electricity;
4). the workpiece that electricity behind the priming paint toasts;
5). the workpiece after will toasting carries out nano spray plating;
6). the workpiece behind the nano spray plating is carried out electrophoretic painting finish paint with electricity;
7). the workpiece that electricity behind the finish paint carries out pure water rinsing;
8). will carry out workpiece after the pure water rinsing and carry out final pure water and wash;
9). the workpiece after final pure water washed toasts finishes finished product manufacturing process.
2. surface coating processing technology according to claim 1 is characterized in that: carry out electrophoresis and step 4 in step 3 and also comprise the step of carrying out pure water rinsing between toasting.
3. surface coating processing technology according to claim 1 is characterized in that: carry out nano spray plating and step 6 carries out also comprising between the electrophoresis step of carrying out pure water rinsing in step 5.
4. surface coating processing technology according to claim 3 is characterized in that: pure water rinsing step after step 5 and step 6 carry out also comprising between the electrophoresis step of toasting.
5. surface coating processing technology according to claim 1 is characterized in that: described neutral the cleaning comprises that Chemical cleaning, physics clean, ultrasonic wave cleans, PIG cleans, Cleaning by High Pressure Water Jet.
6. surface coating processing technology according to claim 1 is characterized in that: the technological process of described nano spray plating is: at first carry out spot processing in early stage, carry out spraying plating priming paint then, then oven dry, spraying plating equipment spray conversion zone is followed the spraying plating finish paint then, dries at last and finishes.
7. surface coating processing technology according to claim 1 is characterized in that: described finish paint can be mixed colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910038606A CN101530842A (en) | 2009-04-09 | 2009-04-09 | Surface coating processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910038606A CN101530842A (en) | 2009-04-09 | 2009-04-09 | Surface coating processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101530842A true CN101530842A (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910038606A Pending CN101530842A (en) | 2009-04-09 | 2009-04-09 | Surface coating processing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516936A (en) * | 2011-12-14 | 2012-06-27 | 温州市汇泰隆科技有限公司 | Surface conditioning agent used for nano coating process |
| CN109482442A (en) * | 2018-10-18 | 2019-03-19 | 合肥常青机械股份有限公司 | A kind of auto parts method for paint spraying |
-
2009
- 2009-04-09 CN CN200910038606A patent/CN101530842A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516936A (en) * | 2011-12-14 | 2012-06-27 | 温州市汇泰隆科技有限公司 | Surface conditioning agent used for nano coating process |
| CN102516936B (en) * | 2011-12-14 | 2013-12-18 | 温州市汇泰隆科技有限公司 | Surface conditioning agent used for nano coating process |
| CN109482442A (en) * | 2018-10-18 | 2019-03-19 | 合肥常青机械股份有限公司 | A kind of auto parts method for paint spraying |
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Application publication date: 20090916 |