CN104874535A - Workpiece housing coating process flow - Google Patents
Workpiece housing coating process flow Download PDFInfo
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- CN104874535A CN104874535A CN201510234831.XA CN201510234831A CN104874535A CN 104874535 A CN104874535 A CN 104874535A CN 201510234831 A CN201510234831 A CN 201510234831A CN 104874535 A CN104874535 A CN 104874535A
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Abstract
The invention discloses a workpiece housing coating process flow comprises polishing the surface of a workpiece to be coated, immersing the workpiece in a hydrochloric acid solution or sulfuric acid solution to degrease, firstly washing through water, parkerising, secondly washing through water, assembling the workpiece to a coating production line, coating paint on the workpiece to be coated, secondly coating, finely processing, solidifying the surface, drying, cooling at the low temperature, thirdly washing through pure water, injecting wax, combusting gas in a combustion furnace and purifying waste water. The workpiece housing coating process flow is simple, the workpiece coating efficiency can be raised, the energy can be saved, and the safety coefficient during coating work can be raised at the same time.
Description
Technical field
The present invention relates to application automatic field, particularly relate to a kind of workpiece housing coating process flow process.
Background technology
Painting is contained in modern industry application widely, and coating process is that product is put on beautiful coat, becomes the consumer goods that people like, make workpiece anti-aging, corrosion-resistant simultaneously, have heat insulation, every magnetic, noise elimination function, General Principle is that surface of the work is processed, then be coated with and coat, paint etc. makes surface of the work drying and forming-film, existing coating process, waste gas in process of production, waste liquid serious environment pollution, simultaneously, application raw material easily burns, and coating process has certain danger.So improve and ensure that coating process standard process is the important process of Workpiece coating.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of coating process flow process, can improve the safety coefficient of Workpiece coating process, and simultaneously to the waste gas produced in coating process, waste liquid effectively manages, and decreases the pollution to environment.
Described a kind of workpiece housing coating process flow process: include following step
The first step: coated workpieces is carried out surface finish, adopts emery wheel or sand paper that surface of the work is carried out de-rust process, removes metal patina, iron rust.
Second step: workpiece is soaked in hydrochloric acid or sulfuric acid, improves the surface flatness of coated workpieces further.
3rd step: coated workpieces is carried out degreasing work, uses degreaser that the oil stain of surface of the work is removed.
4th step: coated workpieces surface is carried out first time and to be washed by water washing.
5th step: utilize phosphate that phosphatization is carried out on coated workpieces surface, produces fine and close inorganic salts film, for follow-up coated workpieces carries out the preparation of attachment surface.
6th step: carry out secondary washing to coated workpieces, washes bonderite and the phosphatization slag of surface of the work.
7th step: coated workpieces is assembled to flowing water paint line, workpiece is transported to airtight paint booth, according to the color required for workpiece, coating is carried out color adjustment, automatically electrostatic spray technique is used evenly to spray coated workpieces, in order to make to spray evenly, adopt Multi-path circulation spray form, coated workpieces is painted, meanwhile, a kind of optimal technical scheme, mains lighting supply is equipped with in described paint booth, and supply air system and sewage collecting tank are set, be also provided with dust arrester simultaneously, improve painting environments quality further.
8th step: secondary sprays, and carries out secondary spraying to workpiece junction, adopts paint spraying machine to carry out refine, strengthens the spraying effect of coated workpieces further.
9th step: to coated workpieces arc section, adopts spray gun to carry out fine manipulation.
Tenth step, carries out employing curing oven circulating fan to coated workpieces, is cured coated workpieces surface.
11 step: coated workpieces is dried, coated workpieces is dried and is adopted drying tunnel structure, and drying tunnel adopts bridge architecture, a kind of optimal technical scheme, in order to keep drying tunnel temperature, adopting resistance heating manner, keeping drying tunnel temperature;
12 step: coated workpieces carries out sub-cooled.
13 step: coated workpieces carries out third time pure water rinsing, thoroughly removes the remaining coating on coated workpieces.
14 step: coated workpieces surrounding adopts PVC sealing, carries out casting, in order to improve the coated workpieces life-span simultaneously.
15 step: the iron powder of coated workpieces, copper powder is collected and is reclaimed, and re-uses, and after gas collection, adopt combustion furnace mode to burn, reduce environmental pollution further, waste water carries out purified treatment simultaneously.
The invention has the beneficial effects as follows: a kind of coating process flow process of the present invention, technological process is simple, improves the operating efficiency of Workpiece coating, saves the energy, improve the safety coefficient of painting work simultaneously.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Described a kind of workpiece housing coating process flow process: include following step
The first step: coated workpieces is carried out surface finish, adopts emery wheel or sand paper that surface of the work is carried out de-rust process, removes metal patina, iron rust.
Second step: workpiece is soaked in hydrochloric acid or sulfuric acid, improves the surface flatness of coated workpieces further.
3rd step: coated workpieces is carried out degreasing work, uses degreaser that the oil stain of surface of the work is removed.
4th step: coated workpieces surface is carried out first time and to be washed by water washing.
5th step: utilize phosphate that phosphatization is carried out on coated workpieces surface, produces fine and close inorganic salts film, for follow-up coated workpieces carries out the preparation of attachment surface.
6th step: carry out secondary washing to coated workpieces, washes bonderite and the phosphatization slag of surface of the work.
7th step: coated workpieces is assembled to flowing water paint line, workpiece is transported to airtight paint booth, according to the color required for workpiece, coating is carried out color adjustment, automatically electrostatic spray technique is used evenly to spray coated workpieces, in order to make to spray evenly, adopt Multi-path circulation spray form, coated workpieces is painted, meanwhile, a kind of optimal technical scheme, mains lighting supply is equipped with in described paint booth, and supply air system and sewage collecting tank are set, be also provided with dust arrester simultaneously, improve painting environments quality further.
8th step: secondary sprays, and carries out secondary spraying to workpiece junction, adopts paint spraying machine to carry out refine, strengthens the spraying effect of coated workpieces further.
9th step: to coated workpieces arc section, adopts spray gun to carry out fine manipulation.
Tenth step, carries out employing curing oven circulating fan to coated workpieces, is cured coated workpieces surface.
11 step: coated workpieces is dried, coated workpieces is dried and is adopted drying tunnel structure, and drying tunnel adopts bridge architecture, a kind of optimal technical scheme, in order to keep drying tunnel temperature, adopting resistance heating manner, keeping drying tunnel temperature;
12 step: coated workpieces carries out sub-cooled.
13 step: coated workpieces carries out third time pure water rinsing, thoroughly removes the remaining coating on coated workpieces.
14 step: coated workpieces surrounding adopts PVC sealing, carries out casting, in order to improve the coated workpieces life-span simultaneously.
14 step: the iron powder of coated workpieces, copper powder is collected and is reclaimed, and re-uses, and after gas collection, adopt combustion furnace mode to burn, reduce environmental pollution further, waste water carries out purified treatment simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a workpiece housing coating process flow process, is characterized in that, comprises following step:
The first step: coated workpieces is carried out surface finish, adopts emery wheel or sand paper that surface of the work is carried out de-rust process;
Second step: workpiece is soaked in hydrochloric acid or sulfuric acid, improves the surface flatness of coated workpieces;
3rd step: coated workpieces is carried out degreasing work, uses degreaser that surface of the work oil stain is removed;
4th step: coated workpieces surface is carried out first time and to be washed by water washing;
5th step: utilize phosphate that phosphatization is carried out on coated workpieces surface;
6th step: carry out secondary washing to coated workpieces, washes bonderite and the phosphatization slag of surface of the work;
7th step: coated workpieces is assembled to flowing water paint line, is transported to airtight paint booth workpiece, uses automatically electrostatic spray technique evenly to spray coated workpieces;
8th step: carry out secondary spraying to workpiece junction, adopts paint spraying machine to carry out refine;
9th step: to coated workpieces arc section, adopts spray gun to carry out fine manipulation;
Tenth step, adopts curing oven circulating fan to coated workpieces, is cured coated workpieces surface;
11 step: coated workpieces is dried, coated workpieces is dried and is adopted drying tunnel structure, and drying tunnel adopts bridge architecture;
12 step: coated workpieces carries out sub-cooled;
13 step: coated workpieces carries out third time pure water rinsing, removes the remaining coating on coated workpieces;
14 step: coated workpieces surrounding adopts PVC sealing, carries out casting;
15 step: the iron powder of coated workpieces, copper powder is collected and is reclaimed, and re-uses, and after gas collection, adopt combustion furnace mode to burn, reduce environmental pollution further, waste water carries out purified treatment simultaneously.
2. a kind of workpiece housing coating process flow process according to claim 1, is characterized in that, in the 7th described step, be equipped with mains lighting supply, and arrange supply air system, sewage collecting tank, and dust arrester in paint booth, improves painting environments quality further.
3. a kind of workpiece housing coating process flow process according to claim 1, is characterized in that, in the 11 described step, in order to keep drying tunnel temperature, adopting resistance heating manner, keeping drying tunnel temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234831.XA CN104874535A (en) | 2015-05-11 | 2015-05-11 | Workpiece housing coating process flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234831.XA CN104874535A (en) | 2015-05-11 | 2015-05-11 | Workpiece housing coating process flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104874535A true CN104874535A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510234831.XA Pending CN104874535A (en) | 2015-05-11 | 2015-05-11 | Workpiece housing coating process flow |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1634668A (en) * | 2003-12-31 | 2005-07-06 | 重庆宗申技术开发研究有限公司 | Powder injection process for machining metal parts |
| CN102601025A (en) * | 2012-03-23 | 2012-07-25 | 重庆大江美利信压铸有限责任公司 | Powder spraying technique for aluminum die-cast alloy part |
-
2015
- 2015-05-11 CN CN201510234831.XA patent/CN104874535A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1634668A (en) * | 2003-12-31 | 2005-07-06 | 重庆宗申技术开发研究有限公司 | Powder injection process for machining metal parts |
| CN102601025A (en) * | 2012-03-23 | 2012-07-25 | 重庆大江美利信压铸有限责任公司 | Powder spraying technique for aluminum die-cast alloy part |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20150902 |