CN102059208A - Static even-color painting method - Google Patents
Static even-color painting method Download PDFInfo
- Publication number
- CN102059208A CN102059208A CN201010624556XA CN201010624556A CN102059208A CN 102059208 A CN102059208 A CN 102059208A CN 201010624556X A CN201010624556X A CN 201010624556XA CN 201010624556 A CN201010624556 A CN 201010624556A CN 102059208 A CN102059208 A CN 102059208A
- Authority
- CN
- China
- Prior art keywords
- paint
- static
- painting
- coating
- spraying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a static even-color painting method comprising the following steps of: setting a painting chamber control unit for controlling air speed in a painting chamber; setting a static automatic painting unit for controlling the working state of a static automatic painting gun to ensure that the static automatic painting gun achieves a set painting effect; setting an automatic hanger unit to ensure that workpiece hangers to be painted are reasonably arranged at intervals and the velocity of conveying chains for suspending the hangers are reasonable; and painting workpieces to be painted, hung on the hangers in the painting chamber by using the static automatic painting gun so that paints are attached to the workpieces well by a static effect. The static even-color painting method has the advantages that (1) a paint film has the characteristic of evenness, good leveling property and obviously improved orange-peel phenomenon; (2) the distinctness of image (DOI) and glossiness of the paint film are improved, and a PGD (a unit of the DOI) value can be improved by 0.1-0.3; (3) by adopting static automatic painting, the emission of a volatile organic solvent is effectively reduced to relieve environmental pollution of painting; and (4) the painting efficiency is improved and paint is saved.
Description
Technical field
The present invention relates to the surface lacquer field, be specifically related to the even look method for paint spraying of a kind of static.
Background technology
In the prior art, the technical development of spraying paint is rapid, is extensive use of the electrostatic painting technology at present, and the quality of the even look method for paint spraying design of static is most important to the use of product coating quality.If it is improper to design, grasp, even every single device is made well again, the product quality that sprays out also can not get guaranteeing.The product surface coating of institute's coating is inhomogeneous, and the static effect of encircling is bad, and the utilization rate of paint only reaches 30%.
Summary of the invention
The invention provides the even look method for paint spraying of a kind of static,, can improve the surface quality of product spraying by the enforcement of this method, and the utilization rate of paint reaches 70-80%, improve the quality of product, reduced the fraction defective that sprays paint greatly, made the production cost of enterprise reduce.
The technical scheme that the present invention is adopted for achieving the above object is:
A kind of static is spared the look method for paint spraying, and it may further comprise the steps:
(1) paint spray booth's control module is set, is used to control the wind speed in this paint spray booth;
(2) a static auto spray painting unit is set, the duty of control static auto spray painting rifle, the feasible effect of spraying paint that reaches setting;
(3) an automation hanger unit is set, makes to be provided with rationally at interval between the workpiece hanger to be sprayed paint, it is reasonable to be used for the outstanding chain speed that connects hanger;
(4) in this paint spray booth, use static auto spray painting rifle that the Spray Painter's part for the treatment of that is suspended on the hanger is carried out spray painting operation, make coating well attached on workpiece by electrostatic efficiency.
As a further improvement on the present invention, in the described step (1), it comprises a wind speed control module and a humidity controlling unit.
As a further improvement on the present invention, in the described step (2), it is further comprising the steps of that this please calls the auto spray painting unit:
(21) dc static high voltage unit is crossed when low at output supply voltage, electrostatic effect and coating absorption variation, and influence is being coated with efficient; During overtension, then easily produce spark discharge.Therefore, in process of production, should note controlling well magnitude of voltage;
(22) atomization air pressure unit, the required compressed air pressure of static automatic spray gun is lower than common spray gun, and too high pressure will influence the shape of coating cloud, influence electrostatic efficiency, air pressure will be adjusted in the appropriate scope in spray painting operation;
(23) coating control module, this coating control module comprise paint viscosity control module and coating resistance value control module.
As a further improvement on the present invention, in the described step (3), it is further comprising the steps of:
(31) hanger design cell is provided with rational hanger spacing, and the distance that guarantees workpiece and spray gun is in the method standard, and workpiece lower end height overhead should be less than 1m, and the hanger spacing is 0.8m;
(32) carrier chain design cell, the transfer rate of this carrier chain is reasonable in design, guarantees that surface of the work is enough by the time in coating cloud, makes that coating can be well attached, and chain speed is 2m/min.
As a further improvement on the present invention, the air draft speed of described paint spray booth is to discharge that the solvent vapo(u)r, the coating cloud that produce in the electrostatic painting process splash or the key of solvent evaporates, with this air draft rate setting is 0.5～0.6m/s, this air draft speed can not influence the absorption affinity of coating cloud and the effect of spraying paint less than the speed of general aerial spraying.
As a further improvement on the present invention, prevent that humidity is excessive, thereby at the spray gun for paint surface condensation globule, making spraying process produce reverse current influences painting effect.
As a further improvement on the present invention, described paint viscosity control module is along with the variation control paint viscosity of temperature, humidity, improve atomizing effect effectively, make the lacquer grain encircle deposition along the power line direction better, the coating relative density is 1.15g/cm3, and the coating discharge-amount is 138g/min.
As a further improvement on the present invention, described coating resistance value control module is controlled at proper range with the coating resistance value, prevents that electrostatic spraying is lower than aerial spraying with the coating resistance value, the resistance value of coating should be controlled in the standard when application.
Beneficial effect of the present invention is: the inventive method is reasonable in design, enforcement by this method, can improve the surface quality of product spraying, and the utilization rate of paint reaches 70-80%, improved the quality of product, reduced the fraction defective that sprays paint greatly, made the production cost of enterprise reduce, it has following characteristics:
(1) paint film is even, good leveling property, and the tangerine peel phenomenon is obviously improved.
(2) clarity and the glossiness of raising paint film, PGD (aquatic foods degree of reflecting) value can improve 0.1～0.3.
(3) adopt static to spray automatically, effectively reduce the discharge capacity of volatile organic solvent, alleviated the application public hazards.
(4) raising is being coated with efficient, saves coating.Owing to adopt the high-pressure electrostatic coating process, vehicle frame, fuel tank are suspended on the carrier chain of ground connection (positive pole), the discharge electrode of flush coater leads to negative pole, thereby forms very high electrostatic field between coated article and discharge electrode, makes the coating after the atomizing have the good effect of encircling under the effect of electric field force.
The specific embodiment
Embodiment: a kind of static of the present invention is spared the look method for paint spraying, and it may further comprise the steps:
(1) paint spray booth's control module is set, is used to control the wind speed in this paint spray booth;
(2) a static auto spray painting unit is set, the duty of control static auto spray painting rifle, the feasible effect of spraying paint that reaches setting;
(3) an automation hanger unit is set, makes to be provided with rationally at interval between the workpiece hanger to be sprayed paint, it is reasonable to be used for the outstanding chain speed that connects hanger;
(4) in this paint spray booth, use static auto spray painting rifle that the Spray Painter's part for the treatment of that is suspended on the hanger is carried out spray painting operation, make coating well attached on workpiece by electrostatic efficiency.
In the described step (1), it comprises a wind speed control module and a humidity controlling unit.
In the described step (2), it is further comprising the steps of that this please calls the auto spray painting unit:
(21) dc static high voltage unit is crossed when low at output supply voltage, electrostatic effect and coating absorption variation, and influence is being coated with efficient; During overtension, then easily produce spark discharge.Therefore, in process of production, should note controlling well magnitude of voltage;
(22) atomization air pressure unit, the required compressed air pressure of static automatic spray gun is lower than common spray gun, and too high pressure will influence the shape of coating cloud, influence electrostatic efficiency, air pressure will be adjusted in the appropriate scope in spray painting operation;
(23) coating control module, this coating control module comprise paint viscosity control module and coating resistance value control module.
In the described step (3), it is further comprising the steps of:
(31) hanger design cell is provided with rational hanger spacing, and the distance that guarantees workpiece and spray gun is in the method standard, and workpiece lower end height overhead should be less than 1m, and the hanger spacing is 0.8m;
(32) carrier chain design cell, the transfer rate of this carrier chain is reasonable in design, guarantees that surface of the work is enough by the time in coating cloud, makes that coating can be well attached, and chain speed is 2m/min.
The air draft speed of described paint spray booth is to discharge that the solvent vapo(u)r, the coating cloud that produce in the electrostatic painting process splash or the key of solvent evaporates, with this air draft rate setting is 0.5～0.6m/s, this air draft speed can not influence the absorption affinity of coating cloud and the effect of spraying paint less than the speed of general aerial spraying.
Prevent that humidity is excessive, thereby at the spray gun for paint surface condensation globule, making spraying process produce reverse current influences painting effect.
Described paint viscosity control module, the variation control paint viscosity along with temperature, humidity improves atomizing effect effectively, makes the lacquer grain encircle deposition along the power line direction better, and the coating relative density is 1.15g/cm3, and the coating discharge-amount is 138g/min.
Described coating resistance value control module is controlled at proper range with the coating resistance value, prevents that electrostatic spraying is lower than aerial spraying with the coating resistance value, the resistance value of coating should be controlled in the standard when application.
During the work of static automatic spray gun, by allowing oil pump partly connect power cathode, workpiece connects positive source and ground connection, under the action of high voltage of high voltage source, just forms an electrostatic field between the end of spray gun and the workpiece.The suffered electric field force of paint particles in the oil pump is directly proportional with the voltage of electrostatic field and the carried charge of paint particles, and and the distance between spray gun and workpiece be inversely proportional to, when voltage is enough high, spray gun end near zone forms the air ionization district, air is ionization and heating intensely, form a bolarious haloing around making spray gun end sharp edge or utmost point pin, can obviously see in the dark, at this moment air produces strong corona discharge.Coating sprays after nozzle atomization, and is charged because of contact during the electrode needle edge of the paint particles that is atomized by muzzle, when through gas ionization zone that corona discharge produced, will increase its surface charge density again.Under the electrostatic field of the paint particles that these are electronegative, the surface of the work of guide polarity motion, and be deposited over to form on the surface of the work and film uniformly.
As described in the embodiment of the invention, with the even look method for paint spraying of same or analogous other static of the present invention, all in protection domain of the present invention.
Claims (8)
1. a static is spared the look method for paint spraying, it is characterized in that it may further comprise the steps:
(1) paint spray booth's control module is set, is used to control the wind speed in this paint spray booth;
(2) a static auto spray painting unit is set, the duty of control static auto spray painting rifle, the feasible effect of spraying paint that reaches setting;
(3) an automation hanger unit is set, makes to be provided with rationally at interval between the workpiece hanger to be sprayed paint, it is reasonable to be used for the outstanding chain speed that connects hanger;
(4) in this paint spray booth, use static auto spray painting rifle that the Spray Painter's part for the treatment of that is suspended on the hanger is carried out spray painting operation, make coating well attached on workpiece by electrostatic efficiency.
2. static according to claim 1 is spared the look method for paint spraying, it is characterized in that, in the described step (1), it comprises a wind speed control module and a humidity controlling unit.
3. static according to claim 1 is spared the look method for paint spraying, it is characterized in that, in the described step (2), it is further comprising the steps of that this please calls the auto spray painting unit:
(21) dc static high voltage unit is crossed when low at output supply voltage, electrostatic effect and coating absorption variation, and influence is being coated with efficient; During overtension, then easily produce spark discharge.Therefore, in process of production, should note controlling well magnitude of voltage;
(22) atomization air pressure unit, the required compressed air pressure of static automatic spray gun is lower than common spray gun, and too high pressure will influence the shape of coating cloud, influence electrostatic efficiency, air pressure will be adjusted in the appropriate scope in spray painting operation;
(23) coating control module, this coating control module comprise paint viscosity control module and coating resistance value control module.
4. static according to claim 1 is spared the look method for paint spraying, it is characterized in that, in the described step (3), it is further comprising the steps of:
(31) hanger design cell is provided with rational hanger spacing, and the distance that guarantees workpiece and spray gun is in the method standard, and workpiece lower end height overhead should be less than 1m, and the hanger spacing is 0.8m;
(32) carrier chain design cell, the transfer rate of this carrier chain is reasonable in design, guarantees that surface of the work is enough by the time in coating cloud, makes that coating can be well attached, and chain speed is 2m/min.
5. static according to claim 2 is spared the look method for paint spraying, it is characterized in that, the air draft speed of described paint spray booth is to discharge that the solvent vapo(u)r, the coating cloud that produce in the electrostatic painting process splash or the key of solvent evaporates, with this air draft rate setting is 0.5～0.6m/s, this air draft speed can not influence the absorption affinity of coating cloud and the effect of spraying paint less than the speed of general aerial spraying.
6. static according to claim 2 is spared the look method for paint spraying, it is characterized in that, prevents that humidity is excessive, thereby at the spray gun for paint surface condensation globule, making spraying process produce reverse current influences painting effect.
7. static according to claim 3 is spared the look method for paint spraying, it is characterized in that, described paint viscosity control module, variation control paint viscosity along with temperature, humidity, improve atomizing effect effectively, make the lacquer grain encircle deposition along the power line direction better, the coating relative density is 1.15g/cm3, and the coating discharge-amount is 138g/min.
8. static according to claim 3 is spared the look method for paint spraying, it is characterized in that, described coating resistance value control module is controlled at proper range with the coating resistance value, prevents that electrostatic spraying is lower than aerial spraying with the coating resistance value, the resistance value of coating should be controlled in the standard when application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010624556 CN102059208B (en) | 2010-12-31 | 2010-12-31 | Static even-color painting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010624556 CN102059208B (en) | 2010-12-31 | 2010-12-31 | Static even-color painting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102059208A true CN102059208A (en) | 2011-05-18 |
| CN102059208B CN102059208B (en) | 2013-06-05 |
Family
ID=43994820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010624556 Expired - Fee Related CN102059208B (en) | 2010-12-31 | 2010-12-31 | Static even-color painting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102059208B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801499A (en) * | 2014-01-22 | 2014-05-21 | 广东冠辉科技有限公司 | Multi-station multicolor hardware product spray coating method and equipment |
| CN103889591A (en) * | 2011-11-04 | 2014-06-25 | 旭硝子株式会社 | Method for producing article with low reflection film |
| CN109225715A (en) * | 2017-05-19 | 2019-01-18 | 湖南中集竹木业发展有限公司 | A kind of plate spraying equipment and spraying method |
| CN109277219A (en) * | 2018-11-26 | 2019-01-29 | 内蒙古易暖科技有限公司 | A kind of spray equipment for furnace body of warming oneself |
| CN114011671A (en) * | 2021-11-08 | 2022-02-08 | 贵州航天精工制造有限公司 | Ultrasonic-assisted method for dip-coating dry film lubricant |
| CN118107955A (en) * | 2024-04-25 | 2024-05-31 | 常州正美智能科技有限公司 | Hanging tool for hanging conveying spraying line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716535A (en) * | 1993-06-30 | 1995-01-20 | Nissan Motor Co Ltd | Painting method |
| US5565244A (en) * | 1986-09-25 | 1996-10-15 | Mazda Motor Corporation | Coating method in coating line and coating apparatus therefor |
| CN101893878A (en) * | 2010-05-19 | 2010-11-24 | 东莞市冠辉五金有限公司 | Process control-based environmentally-friendly automatic spraying production line and spraying control system |
| CN201659048U (en) * | 2010-04-23 | 2010-12-01 | 大庆井泰机械制造有限公司 | Multi-gun multi-angle sector jet spray coating machine |
-
2010
- 2010-12-31 CN CN 201010624556 patent/CN102059208B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5565244A (en) * | 1986-09-25 | 1996-10-15 | Mazda Motor Corporation | Coating method in coating line and coating apparatus therefor |
| JPH0716535A (en) * | 1993-06-30 | 1995-01-20 | Nissan Motor Co Ltd | Painting method |
| CN201659048U (en) * | 2010-04-23 | 2010-12-01 | 大庆井泰机械制造有限公司 | Multi-gun multi-angle sector jet spray coating machine |
| CN101893878A (en) * | 2010-05-19 | 2010-11-24 | 东莞市冠辉五金有限公司 | Process control-based environmentally-friendly automatic spraying production line and spraying control system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889591A (en) * | 2011-11-04 | 2014-06-25 | 旭硝子株式会社 | Method for producing article with low reflection film |
| CN103801499A (en) * | 2014-01-22 | 2014-05-21 | 广东冠辉科技有限公司 | Multi-station multicolor hardware product spray coating method and equipment |
| CN103801499B (en) * | 2014-01-22 | 2016-07-06 | 广东冠辉科技有限公司 | A kind of multistation polychrome hardware products spraying method and equipment thereof |
| CN109225715A (en) * | 2017-05-19 | 2019-01-18 | 湖南中集竹木业发展有限公司 | A kind of plate spraying equipment and spraying method |
| CN109277219A (en) * | 2018-11-26 | 2019-01-29 | 内蒙古易暖科技有限公司 | A kind of spray equipment for furnace body of warming oneself |
| CN114011671A (en) * | 2021-11-08 | 2022-02-08 | 贵州航天精工制造有限公司 | Ultrasonic-assisted method for dip-coating dry film lubricant |
| CN118107955A (en) * | 2024-04-25 | 2024-05-31 | 常州正美智能科技有限公司 | Hanging tool for hanging conveying spraying line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102059208B (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102059208B (en) | Static even-color painting method | |
| CN204396307U (en) | Powder spraying device | |
| CN204023998U (en) | The spraying application car on photocatalyst level land | |
| CN206121970U (en) | Waterborne DISC electrostatic spraying equipment | |
| CN204710629U (en) | A kind of lift electrostatic spraying device | |
| CN205109915U (en) | Dual power supply's automatic paint spraying apparatus of electrostatic spinning | |
| CN108837959A (en) | A kind of electrostatic sprayer for electric machine casing | |
| CN203235591U (en) | Electrostatic powder spraying machine | |
| CN104415866A (en) | Coating spraying control system | |
| CN107413605A (en) | Phone housing surface treatment method | |
| CN102151625A (en) | Leather electrostatic spraying machine | |
| CN202377136U (en) | Circular tool for electrostatic painting stay bars of back door | |
| CN210522872U (en) | Regulation and control structure for adjusting atomization amplitude of paint spraying gun | |
| CN208390313U (en) | A kind of reciprocal spray-painting plant | |
| CN204602459U (en) | For the Multifunctional static electricity atomized water spray machine of control atmosphere pollution | |
| CN207371748U (en) | A kind of electrostatic sprayer of electric machine casing | |
| CN202410872U (en) | Spiral spray gun pipe | |
| CN208261041U (en) | Flatness and reciprocator electrostatic sprayer | |
| CN203778240U (en) | Spraying machine | |
| CN210585461U (en) | Energy-saving electrostatic coating equipment | |
| CN201913019U (en) | Sectional type ejector for electrostatic powder spraying | |
| CN104772240A (en) | Multifunctional electrostatic water mist spraying machine for controlling atmospheric pollution | |
| CN214637568U (en) | Spraying equipment is used in door plant processing | |
| CN103495515A (en) | Coal tar epoxy paint spraying control system | |
| CN205904046U (en) | MDF the sheet surface conducting solution spraying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 523877, Guangdong, Dongguan province Changan town side village Fourth Industrial Zone Crown Fai hardware Co., Ltd. Applicant after: DONGGUAN GUANHUI HARDWARE CO., LTD. Address before: 523877, Guangdong, Dongguan province Changan town side village Fourth Industrial Zone Crown Fai hardware Co., Ltd. Applicant before: Dongguan Guanhui Hardware Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DONGGUAN GUANHUI HARDWARE CO., LTD. TO: GUANGDONG GUANHUI TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20161231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |