CN114832959A - High-speed electrostatic powder spraying revolves cup - Google Patents
High-speed electrostatic powder spraying revolves cup Download PDFInfo
- Publication number
- CN114832959A CN114832959A CN202210557809.9A CN202210557809A CN114832959A CN 114832959 A CN114832959 A CN 114832959A CN 202210557809 A CN202210557809 A CN 202210557809A CN 114832959 A CN114832959 A CN 114832959A
- Authority
- CN
- China
- Prior art keywords
- main body
- powder
- fixing nut
- connecting rod
- electrostatic powder
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 49
- 238000005507 spraying Methods 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 230000002572 peristaltic effect Effects 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 229940098458 powder spray Drugs 0.000 claims 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000889 atomisation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009690 centrifugal atomisation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0418—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces designed for spraying particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
- B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
-
- 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
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention relates to the technical field of spraying rotary cups, and discloses a high-speed electrostatic powder spraying rotary cup which comprises a rotary cup assembly, wherein the rotary cup assembly comprises a main body, a cup head is arranged in the main body, one end of the main body is in threaded connection with a forming cover, the other end of the main body is in threaded connection with a main body fixing nut, and one end of the main body fixing nut is in threaded connection with a hack lever fixing nut; a feeding pipe and a discharging pipe are symmetrically arranged inside the main body fixing nut, a pressurizing pulse component is arranged inside the main body fixing nut and comprises a stepping motor, an output shaft of the stepping motor is fixedly connected with a rotating seat, and connecting rods are symmetrically arranged on the outer side wall of the rotating seat; through the pressure boost pulse subassembly, the pressure boost pulse subassembly can carry out the pressure boost to the powder, makes the powder can carry at a high speed, and simultaneously, the extrusion wheel can be even carries out pulse transport to the powder, makes the even and interrupted transport of powder that gets into, realizes sparingly the effect of spraying powder.
Description
Technical Field
The invention relates to the technical field of spraying rotary cups, in particular to a high-speed electrostatic powder spraying rotary cup.
Background
The traditional atomization mode is as follows: spraying after mixing compressed air and powder according to a certain proportion; the disadvantages are as follows: compressed air and this intensive mixing that can not make powder granule footpath not the optimum state, cause work piece surface quality defect, compare in the rotatory centrifugal atomization mode of traditional atomization mode: the high-speed uniform rotating speed is increased on the traditional powder conveying mode, so that the particle diameter of powder particles is in the optimal powder spraying state, the workpiece spraying surface quality is very excellent, the spraying width is wider, and the production efficiency is higher.
Among the prior art, the spraying revolves the cup when carrying the powder, and the delivery pressure of powder is relatively poor, leads to the powder can not get into the cup fast in vivo, and simultaneously, the powder can not be regularly quantitative when carrying, carries the powder, causes the degree of mixing of powder and high-pressure gas poor, produces the phenomenon of extravagant powder.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the high-speed electrostatic powder spraying rotary cup which has the advantages of high-speed quantitative and rapid conveying and powder saving, and solves the problems that the conveying pressure of powder is poor, so that the powder cannot enter the cup body rapidly, and meanwhile, the powder cannot be conveyed in a timed and quantitative manner during conveying, so that the mixing degree of the powder and high-pressure gas is poor, and the phenomenon of powder waste is caused.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a high-speed electrostatic powder spraying rotary cup comprises a rotary cup assembly, wherein the rotary cup assembly comprises a main body, a cup head is arranged in the main body, one end of the main body is in threaded connection with a forming cover, the other end of the main body is in threaded connection with a main body fixing nut, and one end of the main body fixing nut is in threaded connection with a hack lever fixing nut;
the inside symmetry of main part fixation nut is equipped with inlet pipe and discharging pipe, main part fixation nut's inside is equipped with the pressure boost pulse subassembly, the pressure boost pulse subassembly includes step motor, step motor's output shaft fixedly connected with rotates the seat, the lateral wall symmetry of rotating the seat is equipped with the connecting rod, the one end of connecting rod is equipped with the wheel carrier, the inside wall of wheel carrier rotates and is connected with the extrusion wheel, main part fixation nut's inside wall is equipped with the peristaltic hose, the both ends of peristaltic hose respectively with the inlet pipe with the discharging pipe is connected.
Preferably, one end of the cup head is provided with a discharge disc.
Through adopting above-mentioned scheme, through setting up the discharge disc, make the discharge disc exert static to the powder.
Preferably, the inlet pipe with the one end of discharging pipe all is equipped with quick plug head.
Through adopting above-mentioned scheme, through setting up quick plug head, make inlet pipe and discharging pipe plug on the wriggling hose fast.
Preferably, a low-friction bearing is arranged at the joint of the wheel frame and the extrusion wheel.
By adopting the scheme, the extrusion wheel can rotate on the wheel frame quickly through the low-friction bearing.
Preferably, the peristaltic hose is a TPR high-elasticity hose.
By adopting the scheme, the TPR high-elasticity hose has good elasticity, so that the peristaltic hose can rebound rapidly.
Preferably, the inner side wall of the main body fixing nut is provided with a pipeline limiting seat, and the peristaltic hose is fixed inside the main body fixing nut through the pipeline limiting seat.
By adopting the above scheme, through setting up the spacing seat of pipeline, it is spacing to make the wriggling hose by the spacing seat of pipeline, makes the wriggling hose during operation, can not appear rocking.
Preferably, the connecting rod with the wheel carrier rotates to be connected, be equipped with the fine setting subassembly on the connecting rod, the fine setting subassembly is including being fixed in the hexagon nut of connecting rod lateral wall, being fixed in the screw rod of connecting rod one end, being fixed in rotate the internal thread section of thick bamboo of seat inside wall, the screw rod with internal thread section of thick bamboo threaded connection, the one end fixedly connected with stopper of screw rod.
Through adopting above-mentioned scheme, when needs were adjusted the force that the extrusion wheel was applied to the peristaltic hose, accessible spanner rotated hexagon nut, made the screw rod rotation on hexagon nut drove the connecting rod, made the screw rod move on the screw thread section of thick bamboo, made the length of connecting rod can be adjusted, and then realized adjusting the force that the extrusion wheel was applied to the peristaltic hose.
Preferably, a damping bearing is arranged at the joint of the connecting rod and the wheel carrier.
By adopting the scheme, the wheel carrier on the connecting rod can not rotate in work through the damping bearing.
(III) advantageous effects
Compared with the prior art, the invention provides a high-speed electrostatic powder spraying rotary cup, which has the following beneficial effects:
this cup is revolved in high-speed electrostatic powder spraying through the pressure boost pulse subassembly, and the pressure boost pulse subassembly can carry out the pressure boost to the powder, makes the powder carry at a high speed, and simultaneously, extrusion wheel can be even carries out pulse transport to the powder, makes the even and interrupted transport of powder that gets into, realizes saving the effect of spraying powder.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the body fastening nut of the present invention;
FIG. 3 is a schematic diagram of a boost pulse assembly according to the present invention;
FIG. 4 is a cross-sectional view of the body fastening nut of the present invention;
FIG. 5 is a schematic diagram of a trimming assembly according to the present invention.
In the figure: 10. a cup rotating assembly; 11. a main body; 12. a cup head; 13. forming a cover; 14. a main body fixing nut; 15. a rack rod fixing nut; 16. a discharge tray;
20. a feed pipe;
30. a discharge pipe;
40. a boost pulse assembly; 41. a stepping motor; 42. a rotating seat; 43. a connecting rod; 44. a wheel carrier; 45. an extrusion wheel; 46. a peristaltic hose;
50. a pipeline limiting seat;
60. a fine tuning component; 61. a hexagonal nut; 62. a screw; 63. an internal threaded barrel; 64. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A high-speed electrostatic powder spraying rotary cup comprises a rotary cup component 10, wherein the rotary cup component 10 comprises a main body 11, a cup head 12 is arranged inside the main body 11, one end of the main body 11 is in threaded connection with a forming cover 13, the other end of the main body 11 is in threaded connection with a main body fixing nut 14, one end of the main body fixing nut 14 is in threaded connection with a rack rod fixing nut 15, and one end of the cup head 12 is provided with a discharge disc 16;
the inside symmetry of main part fixation nut 14 is equipped with inlet pipe 20 and discharging pipe 30, the one end of inlet pipe 20 and discharging pipe 30 all is equipped with quick plug head, the inside of main part fixation nut 14 is equipped with pressure boost pulse subassembly 40, pressure boost pulse subassembly 40 includes step motor 41, step motor 41's output shaft fixedly connected with rotates seat 42, the lateral wall symmetry of rotating seat 42 is equipped with connecting rod 43, the one end of connecting rod 43 is equipped with the wheel carrier 44, the inside wall of wheel carrier 44 rotates and is connected with extrusion wheel 45, the junction of wheel carrier 44 and extrusion wheel 45 is equipped with the low friction bearing, the inside wall of main part fixation nut 14 is equipped with wriggling hose 46, wriggling hose 46 chooses the TPR high elasticity hose for use, the both ends of wriggling hose 46 are connected with inlet pipe 20 and discharging pipe 30 respectively, the inside wall of main part fixation nut 14 is equipped with pipeline spacing seat 50, wriggling hose 46 is fixed in the inside of main part fixation nut 14 through pipeline spacing seat 50.
Referring to fig. 1-5, after the spray powder passes through the laser fluidization plate through the compressed air of the powder barrel (the fluidization plate with laser perforation at the bottom), the powder on the spray powder floats to become a flowing form, the powder is sucked to the rotary cup through the powder pump and is mixed with the compressed air according to a certain proportion to be sprayed out to form a fog cluster, the kinetic energy is provided by the compressed air, the atomizer of the rotary cup rotates at a high speed, and the powder is centrifugally atomized through the rotary cup;
before entering the main body 11, the powder enters the peristaltic hose 46 through the feeding pipe 20, at this time, the stepping motor 41 is started, the stepping motor 41 drives the connecting rod 43 on the rotating seat 42 to rotate, the extrusion wheel 45 on the wheel carrier 44 on the connecting rod 43 extrudes the peristaltic hose 46, the powder in the peristaltic hose 46 uniformly enters the discharging pipe 30, and finally, the powder is rapidly conveyed into the main body 11 through the discharging pipe 30 in a pulse mode to be mixed.
Example two
The fine adjustment function is added on the basis of the first embodiment.
The connecting rod 43 is rotatably connected with the wheel carrier 44, a fine adjustment assembly 60 is arranged on the connecting rod 43, the fine adjustment assembly 60 comprises a hexagon nut 61 fixed on the outer side wall of the connecting rod 43, a screw 62 fixed at one end of the connecting rod 43 and an internal thread cylinder 63 fixed on the inner side wall of the rotating seat 42, the screw 62 is in threaded connection with the internal thread cylinder 63, one end of the screw 62 is fixedly connected with a limiting block 64, and a damping bearing is arranged at the joint of the connecting rod 43 and the wheel carrier 44.
Referring to fig. 1-5, when the force applied by the extrusion wheel 45 to the peristaltic hose 46 needs to be adjusted, the hexagonal nut 61 can be turned by a wrench, so that the hexagonal nut 61 drives the screw 62 on the connecting rod 43 to rotate, the screw 62 moves on the threaded barrel 63, the length of the connecting rod 43 can be adjusted, and the force applied by the extrusion wheel 45 to the peristaltic hose 46 can be adjusted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-speed electrostatic powder spraying revolves cup which characterized in that: the cup rotating device comprises a cup rotating assembly (10), wherein the cup rotating assembly (10) comprises a main body (11), a cup head (12) is arranged inside the main body (11), one end of the main body (11) is in threaded connection with a forming cover (13), the other end of the main body (11) is in threaded connection with a main body fixing nut (14), and one end of the main body fixing nut (14) is in threaded connection with a hack lever fixing nut (15);
the inside symmetry of main part fixation nut (14) is equipped with inlet pipe (20) and discharging pipe (30), the inside of main part fixation nut (14) is equipped with pressure boost pulse subassembly (40), pressure boost pulse subassembly (40) include step motor (41), output shaft fixedly connected with of step motor (41) rotates seat (42), the lateral wall symmetry of rotating seat (42) is equipped with connecting rod (43), the one end of connecting rod (43) is equipped with wheel carrier (44), the inside wall rotation of wheel carrier (44) is connected with extrusion wheel (45), the inside wall of main part fixation nut (14) is equipped with peristaltic hose (46), the both ends of peristaltic hose (46) respectively with inlet pipe (20) with discharging pipe (30) are connected.
2. The high-speed electrostatic powder spray cup according to claim 1, wherein: one end of the cup head (12) is provided with a discharge disc (16).
3. The high-speed electrostatic powder spray cup according to claim 1, wherein: the quick plug-in and pull-out device is characterized in that one end of the feeding pipe (20) and one end of the discharging pipe (30) are both provided with a quick plug-in and pull-out head.
4. The high-speed electrostatic powder spray cup according to claim 1, wherein: and a low-friction bearing is arranged at the joint of the wheel frame (44) and the extrusion wheel (45).
5. The high-speed electrostatic powder spray cup according to claim 1, wherein: the peristaltic hose (46) is a TPR high-elasticity hose.
6. The high-speed electrostatic powder spray cup according to claim 1, wherein: the inner side wall of the main body fixing nut (14) is provided with a pipeline limiting seat (50), and the peristaltic hose (46) is fixed inside the main body fixing nut (14) through the pipeline limiting seat (50).
7. The high-speed electrostatic powder spray cup according to claim 1, wherein: connecting rod (43) with wheel carrier (44) rotate to be connected, be equipped with fine setting subassembly (60) on connecting rod (43), fine setting subassembly (60) is including being fixed in hexagon nut (61) of connecting rod (43) lateral wall, be fixed in screw rod (62) of connecting rod (43) one end, be fixed in rotate an internal thread section of thick bamboo (63) of seat (42) inside wall, screw rod (62) with internal thread section of thick bamboo (63) threaded connection, the one end fixedly connected with stopper (64) of screw rod (62).
8. The high-speed electrostatic powder spray cup according to claim 7, wherein: and a damping bearing is arranged at the joint of the connecting rod (43) and the wheel carrier (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210557809.9A CN114832959A (en) | 2022-05-19 | 2022-05-19 | High-speed electrostatic powder spraying revolves cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210557809.9A CN114832959A (en) | 2022-05-19 | 2022-05-19 | High-speed electrostatic powder spraying revolves cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114832959A true CN114832959A (en) | 2022-08-02 |
Family
ID=82572834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210557809.9A Pending CN114832959A (en) | 2022-05-19 | 2022-05-19 | High-speed electrostatic powder spraying revolves cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114832959A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6105886A (en) * | 1995-05-19 | 2000-08-22 | Nordson Corporation | Powder spray gun with rotary distributor |
| CN2633431Y (en) * | 2003-08-05 | 2004-08-18 | 金治平 | High speed rotary disc type static powder jet gun |
| WO2005018823A2 (en) * | 2003-08-18 | 2005-03-03 | Nordson Corporation | Spray applicator for particulate material |
| US20130015264A1 (en) * | 2011-07-14 | 2013-01-17 | Dedert Corporation | Rotary atomizer having electro-magnetic bearings and a permanent magnet rotor |
| CN106640608A (en) * | 2017-03-13 | 2017-05-10 | 合肥华运机械制造有限公司 | Rotor of hose pump |
| CN209631438U (en) * | 2018-12-17 | 2019-11-15 | 宁波立成涂装技术有限公司 | A kind of powder dispersion rotation cup |
| CN211359250U (en) * | 2019-12-04 | 2020-08-28 | 苏州依诺倍尔涂装科技有限公司 | Environment-friendly low-consumption electrostatic powder spraying rotary cup with uniform spraying |
| CN211914236U (en) * | 2019-12-04 | 2020-11-13 | 苏州依诺倍尔涂装科技有限公司 | Adjustable electrostatic powder spraying rotary cup |
| CN215030196U (en) * | 2021-03-18 | 2021-12-07 | 宁夏青龙钢塑复合管有限公司青铜峡分公司 | Pneumatic rotary cup type powder spray gun |
| CN215566520U (en) * | 2021-08-30 | 2022-01-18 | 山东宏泽生物科技有限公司 | Peristaltic dosing pump |
| CN215744193U (en) * | 2021-09-01 | 2022-02-08 | 昆山市强力电子有限公司 | Electrostatic powder spraying rotary cup capable of saving powder |
| CN216278393U (en) * | 2021-08-24 | 2022-04-12 | 南京博之顿机电科技有限公司 | Powder vacuum peristaltic pump for powder spraying, conveying and recycling |
-
2022
- 2022-05-19 CN CN202210557809.9A patent/CN114832959A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6105886A (en) * | 1995-05-19 | 2000-08-22 | Nordson Corporation | Powder spray gun with rotary distributor |
| CN2633431Y (en) * | 2003-08-05 | 2004-08-18 | 金治平 | High speed rotary disc type static powder jet gun |
| WO2005018823A2 (en) * | 2003-08-18 | 2005-03-03 | Nordson Corporation | Spray applicator for particulate material |
| US20130015264A1 (en) * | 2011-07-14 | 2013-01-17 | Dedert Corporation | Rotary atomizer having electro-magnetic bearings and a permanent magnet rotor |
| CN106640608A (en) * | 2017-03-13 | 2017-05-10 | 合肥华运机械制造有限公司 | Rotor of hose pump |
| CN209631438U (en) * | 2018-12-17 | 2019-11-15 | 宁波立成涂装技术有限公司 | A kind of powder dispersion rotation cup |
| CN211359250U (en) * | 2019-12-04 | 2020-08-28 | 苏州依诺倍尔涂装科技有限公司 | Environment-friendly low-consumption electrostatic powder spraying rotary cup with uniform spraying |
| CN211914236U (en) * | 2019-12-04 | 2020-11-13 | 苏州依诺倍尔涂装科技有限公司 | Adjustable electrostatic powder spraying rotary cup |
| CN215030196U (en) * | 2021-03-18 | 2021-12-07 | 宁夏青龙钢塑复合管有限公司青铜峡分公司 | Pneumatic rotary cup type powder spray gun |
| CN216278393U (en) * | 2021-08-24 | 2022-04-12 | 南京博之顿机电科技有限公司 | Powder vacuum peristaltic pump for powder spraying, conveying and recycling |
| CN215566520U (en) * | 2021-08-30 | 2022-01-18 | 山东宏泽生物科技有限公司 | Peristaltic dosing pump |
| CN215744193U (en) * | 2021-09-01 | 2022-02-08 | 昆山市强力电子有限公司 | Electrostatic powder spraying rotary cup capable of saving powder |
Non-Patent Citations (1)
| Title |
|---|
| 李斌: "高转速杯式静电自动喷涂系统在轿车喷涂中的应用", 材料保护 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20220802 |