CN102941178A - Fast color changing spraying device - Google Patents
Fast color changing spraying device Download PDFInfo
- Publication number
- CN102941178A CN102941178A CN2012104789050A CN201210478905A CN102941178A CN 102941178 A CN102941178 A CN 102941178A CN 2012104789050 A CN2012104789050 A CN 2012104789050A CN 201210478905 A CN201210478905 A CN 201210478905A CN 102941178 A CN102941178 A CN 102941178A
- Authority
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- China
- Prior art keywords
- powder
- tube cell
- colour changing
- core
- spraying equipment
- 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
- 238000005507 spraying Methods 0.000 title claims abstract description 39
- 239000000843 powder Substances 0.000 claims abstract description 88
- 238000011084 recovery Methods 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims description 15
- 235000012054 meals Nutrition 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 11
- 238000007592 spray painting technique Methods 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003086 colorant Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a fast color changing spraying device which comprises a spraying chamber, a cyclone separator, a filter element recoverer, a powder supply center and an electrical cabinet. The spraying chamber is provided with a spray cavity and a spray gun, a powder recovery unit is arranged on the lower portion of the spray cavity, the powder recovery unit is communicated with the inlet of the cyclone separator through a pipe, and the powder supply center is provided with a powder pump, a recovery powder pipe, a powder supply pipe, a reverse getter pump and a powder container, wherein the reverse getter pump is used for intaking airflow so as to intake the powder in the recovery powder pipe and the powder supply pipe into the powder container during color changing. The spraying device has the advantages of being simple in structure, low in cost, good in sealing, high in spraying powder recovery rate, little in pollution, convenient to operate during color changing, few in powder residues in pipes, not easy to mix colors and high in spraying quality.
Description
Technical field
The present invention relates to a kind of sheet metal field of surface treatment, relate in particular to a kind of quick colour changing spraying equipment.
Background technology
The sixties in 10th century appears in electrostatic powder coating process, mainly is to be applied to coating metal surfaces.Along with developing rapidly of China's manufacturing industry, since the powder spray technology have good environmental-protecting performance, simple to operate, do not contain unique advantage such as organic solvent, film performance excellence, year by year sustainable growth of the ratio of occupying in Treatment of Metal Surface, major part has replaced original paint coating process so far.Similar with painting technology, powder coating process also is that workpiece is placed semi-enclosed space (being spray booth) spraying, prevents that the powder of not going up workpiece from spreading towards periphery; But different from painting technology is can effectively carry out Powder Recovery in this spray booth.Yet existing spraying equipment is when the coating of spraying different colours, and the colour changing process is complicated, and the powder remnants in the pipeline are many, and easily colour mixture has affected coating quality.
For example Chinese patent 202316215U discloses a kind of electrostatic powder coating chamber, be provided with by the powder powder recovery system that consists of of retracting device and powder second retracting device first at spray booth, spray booth connects with powder recovery system by pipeline, and powder first retracting device is located at the side of spray booth; The air channel of powder second retracting device is reclaimed the chamber by proofing air filtering pipeline and powder second and is connected.This spray booth just exists the colour changing operating process complicated, easily the problem of colour mixture.
Summary of the invention
The present invention provides a kind of quick colour changing spraying equipment for problem related in the background technology.
Technical scheme of the present invention is: a kind of quick colour changing spraying equipment, comprise spray painting room, cyclone separator, the sieve core callback device, for powder center and electric box, described spray painting room is provided with spraying chamber and spray gun, the bottom in described spraying chamber is provided with powder recovering device, described powder recovering device communicates with the import of cyclone separator by pipeline, the disengagement chamber of single-revolution body formula is led in the import of described cyclone separator, described disengagement chamber is provided with meal outlet and air outlet, described meal outlet communicates with being arranged on for powder supercentral Powder Recovery mouth by pipeline, described air outlet communicates with import on the sieve core callback device by pipeline, the described powder center that supplies is provided with the powder pump, reclaim tube cell, for tube cell, reverse asepwirator pump and powder container, described powder pump communicates with being arranged on for powder supercentral Powder Recovery mouth, described powder pump is used for the coating that the Powder Recovery mouth enters is sent into the recovery tube cell, the described tube cell that supplies communicates with spray gun, described recovery tube cell also links to each other with reverse asepwirator pump with the confession tube cell, described recovery tube cell and all communicate with the powder container for tube cell sucks air-flow and will reclaim tube cell and supply the interior powder suction powder container of tube cell when described reverse asepwirator pump is used for colour changing.
As a kind of preferred, the import of described cyclone separator is positioned at the side of disengagement chamber, and described meal outlet is positioned at the bottom of disengagement chamber, and described air outlet is positioned at the top of disengagement chamber, the top that is positioned at described meal outlet is provided with peristaltic pump, and the cross sectional shape of described disengagement chamber is trapezoidal.
As a kind of preferred, described spraying is provided with base plate in the chamber, and the middle part of described base plate is provided with a baffle plate, and the both sides of described baffle plate are provided with blowing slot, and the edge of described baffle plate is provided with Lou powder groove, and described leakage powder groove communicates with powder recovering device.
As a kind of preferred, described spray painting room also is provided with guide rail, the described guide rail suspension hook that is slidingly connected, described spray gun is arranged on the lift, described lift comprises height guide rail and front and back guide rail, described spray gun has 4, and respectively there are two spray guns the both sides that are positioned at described spraying chamber, and described powder recovering device comprises centrifugal blower and powder case.
As a kind of preferred, described sieve core callback device is provided with filter core, and described filter core is cylindric.
As a kind of preferred, described filter core comprises core and filter course, and described filter course is wrapped in outside the core, and the axis of described filter core is vertical with the flow direction of import department's air-flow of sieve core callback device.
As a kind of preferred, the core of described filter core is installed on the baffle plate, and the axis of described baffle plate and filter core is perpendicular, and described baffle plate also is connected with deep bead, and the angle of described deep bead and baffle plate is 10-80 °.
As a kind of preferred, a side that is positioned at described filter core is provided with tracheae, and described filter core has 6-16, and described filter course is that polyester fiber is made.
As a kind of preferred, described confession powder center is provided with the sensor for detection of the material degree of depth in the powder container, described recovery tube cell and rack-mount for tube cell, and described support is installed on the slide rail.
As a kind of preferred, described support is by air cylinder driven.
In sum, the present invention has the following advantages:
1, spraying equipment features simple structure of the present invention is with low cost, good airproof performance, and the dusty spray rate of recovery is high, pollutes littlely, and easy and simple to handle during colour changing, and powder little residue in the pipeline is difficult for the colour mixture coating quality high.
2, the preferred cyclone separator structure of the present invention is isolated the powdery paints that granule is convenient to directly reclaim use so that the Powder Recovery process than refinement, is beneficial to, and realizes reclaiming step by step, and organic efficiency is high.
3, the present invention is provided with baffle plate, blowing slot and leaks powder groove structure in the spraying chamber, so that the powder that is scattered is reclaimed effectively.
The mechanism of 4, the present invention is preferred sieve core callback device is so that more easy to operate during renew cartridge, the workman need not to pack into and is full of in the cavity of dust, and being arranged so that of deep bead bumps with deep bead in the air-flow, so that the powder in the air-flow is easier to break away from, improved organic efficiency.
5, the present invention is also preferred for the structure at powder center, is provided with sensor and is convenient to measure the material degree of depth, and be provided with slidably support, so that reclaim tube cell and for the equal real-time inhalation of dust of tube cell, need not artificial adjustment, has improved operating efficiency.
Description of drawings
Fig. 1 is the schematic diagram of the present embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the enlarged diagram that supplies the powder center among Fig. 1;
Fig. 4 is the enlarged diagram of cyclone separator among Fig. 1;
Fig. 5 is the enlarged diagram of sieve core callback device among Fig. 1;
Fig. 6 is the enlarged diagram of spray painting room among Fig. 1.
The specific embodiment
The invention will be further described with embodiment below in conjunction with accompanying drawing.
Shown in Fig. 1 to 6, a kind of quick colour changing spraying equipment, comprise spray painting room 1, cyclone separator 2, sieve core callback device 3, for powder center 4 and electric box 5, described spray painting room 1 is provided with spraying chamber 11 and spray gun 6, the bottom in described spraying chamber 11 is provided with powder recovering device 12, described powder recovering device 12 communicates by the import of pipeline with cyclone separator 2, the disengagement chamber 21 of single-revolution body formula is led in the import of described cyclone separator 2, described disengagement chamber 21 is provided with meal outlet 22 and air outlet 23, described meal outlet 22 communicates with the Powder Recovery mouth that is arranged on on the powder center 4 by pipeline, described air outlet 23 communicates with import on the sieve core callback device 3 by pipeline, the described powder center 4 that supplies is provided with the powder pump, reclaim tube cell 41, for tube cell 42, reverse asepwirator pump and powder container, described powder pump communicates with the Powder Recovery mouth that is arranged on on the powder center 4, described powder pump is used for the coating that the Powder Recovery mouth enters is sent into recovery tube cell 41, the described tube cell 42 that supplies communicates with spray gun 6, described recovery tube cell 41 also links to each other with reverse asepwirator pump with confession tube cell 42, described recovery tube cell 41 and all communicate with the powder container for tube cell 42 sucks air-flow and will reclaim tube cell 41 and supply the interior powder suction powder container of tube cell 42 when described reverse asepwirator pump is used for colour changing.The import of described cyclone separator 2 is positioned at the side of disengagement chamber 21, described meal outlet 22 is positioned at the bottom of disengagement chamber 21, described air outlet 23 is positioned at the top of disengagement chamber 21, and the top that is positioned at described meal outlet 22 is provided with peristaltic pump 24, and the cross sectional shape of described disengagement chamber 21 is trapezoidal.Be provided with base plate 13 in the described spraying chamber 11, the middle part of described base plate 13 is provided with a baffle plate 14, and the both sides of described baffle plate 14 are provided with blowing slot 15, and the edge of described baffle plate 14 is provided with Lou powder groove 16, and described leakage powder groove 16 communicates with powder recovering device 12.Described spray painting room 1 also is provided with guide rail 17, described guide rail 17 suspension hook 18 that is slidingly connected, described spray gun 6 is arranged on the lift, described lift comprises height guide rail and front and back guide rail, described spray gun 6 has 4, respectively there are two spray guns 6 both sides that are positioned at described spraying chamber 11, and described powder recovering device 12 comprises centrifugal blower and powder case.Described sieve core callback device 3 is provided with filter core 31, and described filter core 31 is cylindric.Described filter core 31 comprises core 311 and filter course 312, and described filter course 312 is wrapped in outside the core 311, and the axis of described filter core 31 is vertical with the flow direction of import department's air-flow of sieve core callback device 3.The core 311 of described filter core 31 is installed on the baffle plate 32, and described baffle plate 32 is perpendicular with the axis of filter core 31, and described baffle plate 32 also is connected with deep bead 33, and described deep bead 33 is 10-80 ° with the angle of baffle plate 32.A side that is positioned at described filter core 31 is provided with tracheae 34, and described filter core 31 has 6-16, and described filter course 312 is made for polyester fiber.The sensor that described confession powder center 4 is provided with for detection of the material degree of depth in the powder container, described recovery tube cell 41 and confession tube cell 42 are installed on the support 43, and described support 43 is installed on the slide rail.Described support 43 is driven by cylinder 44.
Above explanation only is explanation of the invention, so that complete enforcement this programme of those of ordinary skills' energy, but be not limitation of the present invention, those skilled in the art can make the modification that does not have creative contribution to the present embodiment as required after reading this specification, these all are not creative modifications.But as long as in claim scope of the present invention, all be subject to the protection of Patent Law.
Claims (10)
1. quick colour changing spraying equipment, comprise spray painting room (1), cyclone separator (2), sieve core callback device (3), for powder center (4) and electric box (5), it is characterized in that: described spray painting room (1) is provided with spraying chamber (11) and spray gun (6), the bottom in described spraying chamber (11) is provided with powder recovering device (12), described powder recovering device (12) communicates by the import of pipeline with cyclone separator (2), the disengagement chamber (21) of single-revolution body formula is led in the import of described cyclone separator (2), described disengagement chamber (21) is provided with meal outlet (22) and air outlet (23), described meal outlet (22) communicates with the Powder Recovery mouth that is arranged on on powder center (4) by pipeline, described air outlet (23) communicates with import on the sieve core callback device (3) by pipeline, the described powder center (4) that supplies is provided with the powder pump, reclaim tube cell (41), for tube cell (42), reverse asepwirator pump and powder container, described powder pump communicates with the Powder Recovery mouth that is arranged on on powder center (4), described powder pump is used for the coating that the Powder Recovery mouth enters is sent into recovery tube cell (41), the described tube cell (42) that supplies communicates with spray gun (6), described recovery tube cell (41) also links to each other with reverse asepwirator pump with confession tube cell (42), described recovery tube cell (41) and all communicate with the powder container for tube cell (42) sucks air-flow and will reclaim tube cell (41) and supply the interior powder suction powder container of tube cell (42) when described reverse asepwirator pump is used for colour changing.
2. a kind of quick colour changing spraying equipment according to claim 1, it is characterized in that: the import of described cyclone separator (2) is positioned at the side of disengagement chamber (21), described meal outlet (22) is positioned at the bottom of disengagement chamber (21), described air outlet (23) is positioned at the top of disengagement chamber (21), the top that is positioned at described meal outlet (22) is provided with peristaltic pump (24), and the cross sectional shape of described disengagement chamber (21) is trapezoidal.
3. a kind of quick colour changing spraying equipment according to claim 2, it is characterized in that: be provided with base plate (13) in the described spraying chamber (11), the middle part of described base plate (13) is provided with a baffle plate (14), the both sides of described baffle plate (14) are provided with blowing slot (15), the edge of described baffle plate (14) is provided with Lou powder groove (16), and described leakage powder groove (16) communicates with powder recovering device (12).
4. a kind of quick colour changing spraying equipment according to claim 3, it is characterized in that: described spray painting room (1) also is provided with guide rail (17), described guide rail (17) suspension hook (18) that is slidingly connected, described spray gun (6) is arranged on the lift, described lift comprises height guide rail and front and back guide rail, described spray gun (6) has 4, and respectively there are two spray guns (6) both sides that are positioned at described spraying chamber (11), and described powder recovering device (12) comprises centrifugal blower and powder case.
5. a kind of quick colour changing spraying equipment according to claim 4, it is characterized in that: described sieve core callback device (3) is provided with filter core (31), and described filter core (31) is cylindric.
6. a kind of quick colour changing spraying equipment according to claim 5, it is characterized in that: described filter core (31) comprises core (311) and filter course (312), described filter course (312) is wrapped in outside the core (311), and the axis of described filter core (31) is vertical with the flow direction of import department's air-flow of sieve core callback device (3).
7. a kind of quick colour changing spraying equipment according to claim 6, it is characterized in that: the core (311) of described filter core (31) is installed on the baffle plate (32), described baffle plate (32) is perpendicular with the axis of filter core (31), described baffle plate (32) also is connected with deep bead (33), and described deep bead (33) is 10-80 ° with the angle of baffle plate (32).
8. a kind of quick colour changing spraying equipment according to claim 7, it is characterized in that: a side that is positioned at described filter core (31) is provided with tracheae (34), and described filter core (31) has 6-16, and described filter course (312) is made for polyester fiber.
9. a kind of quick colour changing spraying equipment according to claim 8, it is characterized in that: described confession powder center (4) is provided with the sensor for detection of the material degree of depth in the powder container, described recovery tube cell (41) and confession tube cell (42) are installed on the support (43), and described support (43) is installed on the slide rail.
10. a kind of quick colour changing spraying equipment according to claim 9, it is characterized in that: described support (43) is driven by cylinder (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478905.0A CN102941178B (en) | 2012-11-23 | 2012-11-23 | Fast color changing spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210478905.0A CN102941178B (en) | 2012-11-23 | 2012-11-23 | Fast color changing spraying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102941178A true CN102941178A (en) | 2013-02-27 |
| CN102941178B CN102941178B (en) | 2015-04-15 |
Family
ID=47724221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210478905.0A Active CN102941178B (en) | 2012-11-23 | 2012-11-23 | Fast color changing spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102941178B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934173A (en) * | 2014-05-06 | 2014-07-23 | 太仓万冠涂装设备有限公司 | Powder recycling device for clean powder booth |
| CN107899844A (en) * | 2017-12-28 | 2018-04-13 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal surface |
| CN108031598A (en) * | 2017-12-30 | 2018-05-15 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing |
| CN108048780A (en) * | 2017-12-30 | 2018-05-18 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108048781A (en) * | 2017-12-30 | 2018-05-18 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108212614A (en) * | 2017-12-30 | 2018-06-29 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal surface |
| CN108212621A (en) * | 2017-12-28 | 2018-06-29 | 湖南三五二环保科技有限公司 | A kind of metal surface colour changing paint finishing |
| CN108940697A (en) * | 2018-09-11 | 2018-12-07 | 韶关龙督装饰材料有限公司 | A kind of aluminum-pinch production line |
| CN109647651A (en) * | 2018-12-14 | 2019-04-19 | 中山市君禾机电设备有限公司 | A kind of powder spraying chamber top board structure |
| CN113522591A (en) * | 2021-07-06 | 2021-10-22 | 苏州奥维精密机械有限公司 | Automatic large-scale steel spraying process and production line |
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| CN202921531U (en) * | 2012-11-23 | 2013-05-08 | 浙江明泉工业涂装有限公司 | Rapid color-changing spray device |
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| DE3704551C1 (en) * | 1987-02-13 | 1988-05-11 | Gema Ransburg Ag | Spray coating system |
| CN201105249Y (en) * | 2007-12-01 | 2008-08-27 | 黄锐龙 | Welding line powder spraying device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934173A (en) * | 2014-05-06 | 2014-07-23 | 太仓万冠涂装设备有限公司 | Powder recycling device for clean powder booth |
| CN107899844A (en) * | 2017-12-28 | 2018-04-13 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal surface |
| CN108212621A (en) * | 2017-12-28 | 2018-06-29 | 湖南三五二环保科技有限公司 | A kind of metal surface colour changing paint finishing |
| CN108048780A (en) * | 2017-12-30 | 2018-05-18 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108048781A (en) * | 2017-12-30 | 2018-05-18 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108212614A (en) * | 2017-12-30 | 2018-06-29 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing in metal surface |
| CN108031598A (en) * | 2017-12-30 | 2018-05-15 | 湖南三五二环保科技有限公司 | A kind of quick colour changing paint finishing |
| CN108212614B (en) * | 2017-12-30 | 2019-08-30 | 扬州市恒通环保科技有限公司 | A kind of quick colour changing paint finishing in metal surface |
| CN108048780B (en) * | 2017-12-30 | 2019-10-15 | 安徽航毅金属制品加工有限责任公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108031598B (en) * | 2017-12-30 | 2019-10-15 | 安徽航毅金属制品加工有限责任公司 | A kind of quick colour changing paint finishing |
| CN108048781B (en) * | 2017-12-30 | 2019-10-18 | 柳州西科车用材料有限公司 | A kind of quick colour changing paint finishing in metal plate surface |
| CN108940697A (en) * | 2018-09-11 | 2018-12-07 | 韶关龙督装饰材料有限公司 | A kind of aluminum-pinch production line |
| CN109647651A (en) * | 2018-12-14 | 2019-04-19 | 中山市君禾机电设备有限公司 | A kind of powder spraying chamber top board structure |
| CN113522591A (en) * | 2021-07-06 | 2021-10-22 | 苏州奥维精密机械有限公司 | Automatic large-scale steel spraying process and production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102941178B (en) | 2015-04-15 |
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Denomination of invention: Quick color change spraying equipment Effective date of registration: 20231219 Granted publication date: 20150415 Pledgee: Deqing sub branch of Bank of China Ltd. Pledgor: ZHEJIANG MINGQUAN INDUSTRIAL COATING Co.,Ltd. Registration number: Y2023980071955 |
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