CN112691808A - Spraying device and method for electrostatic spraying circuit board - Google Patents
Spraying device and method for electrostatic spraying circuit board Download PDFInfo
- Publication number
- CN112691808A CN112691808A CN202011480404.7A CN202011480404A CN112691808A CN 112691808 A CN112691808 A CN 112691808A CN 202011480404 A CN202011480404 A CN 202011480404A CN 112691808 A CN112691808 A CN 112691808A
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- Prior art keywords
- spraying
- circuit board
- piece
- pipe
- mounting hole
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0242—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects being individually presented to the spray heads by a rotating element, e.g. turntable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The invention discloses a spraying device and a spraying method for an electrostatic spraying circuit board, wherein the spraying device comprises a supporting platform, a rotating part is rotatably arranged on the supporting platform, a driving part for driving the rotating part to rotate is fixed below the supporting platform, the driving part is in transmission with the teeth of the rotating part, a material spraying machine is fixed below the supporting platform, a material spraying part is connected to a discharge port of the material spraying machine, the material spraying part penetrates through the supporting platform and the rotating part, a spray head of the material spraying part is positioned above the rotating part, a control part for controlling the opening and closing of the spray head is slidably arranged on the material spraying part, and a spring is connected between the control part and the material spraying part. The spraying device can avoid the phenomenon of oil accumulation at the boundary of the circuit board in a suspension mode through the boundary of the circuit board, and can save spray paint and avoid waste in a mode that the material spraying part is opened when the placing groove on the rotating part rotates to the position below the driving shaft and the material spraying part is closed after the rotating part rotates through the placing groove, and meanwhile, the surface of the rotary disc can be ensured to be clean.
Description
Technical Field
The invention relates to the field of circuit board spraying, in particular to a spraying device and a spraying method for electrostatic spraying of a circuit board.
Background
The circuit board is sprayed by the electrostatic spraying machine, so that the production efficiency is high, the operation is convenient, and the sprayed circuit board has better quality guarantee, so that the electrostatic spraying machine is accepted by more and more circuit board manufacturers.
In the existing circuit board spraying process, the phenomenon of oil accumulation easily occurs at the circuit board boundary, a lot of spray paint can be sprinkled outside the circuit board in the spraying process, the waste of spray paint is generated, and the existing spraying device has the problem of difficult cleaning.
Disclosure of Invention
The invention aims to provide a spraying device and a spraying method for electrostatic spraying of a circuit board, wherein the phenomenon of oil accumulation at the boundary of the circuit board can be avoided in a suspension mode of the boundary of the circuit board, a material spraying part is opened when a placing groove on a rotating part rotates to the position below a driving shaft, and the material spraying part is closed after the rotating part rotates through the placing groove, so that paint spraying can be saved, waste is avoided, the surface of a rotary disc can be ensured to be clean, and the problem of difficulty in cleaning of the traditional spraying device is solved through arrangement of a first water drainage pipe, a water drainage groove and a second water drainage pipe.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a spraying device of electrostatic spraying circuit board, spraying device includes supporting platform, the last rotation of supporting platform is equipped with rotates the piece, supporting platform's below is fixed with and is used for the drive to rotate a pivoted driving piece, the driving piece with rotate the transmission of tooth, supporting platform's below is fixed with spouts the material machine, the discharge gate of spouting the material machine is connected with spouts the material piece, spout the material piece and run through supporting platform and rotate the piece, the shower nozzle of spouting the material piece is located the top that rotates the piece, it is equipped with the control that is used for controlling the switch of shower nozzle to spout to slide on the material piece, the control with spout and be.
The rotating piece comprises a rotating disc, an annular sliding block is fixed below the rotating disc, an annular rack is fixed on the inner wall of the annular sliding block, a placing groove distributed in a circumferential array mode is formed in the rotating disc, a supporting block used for placing a circuit board is fixed in the placing groove, a water drainage groove is formed in the rotating disc, a first water drainage pipe is arranged in the placing groove, the first water drainage pipe is communicated with the water drainage groove, a second water drainage pipe is arranged in the water drainage groove in a communicated mode, the second water drainage pipe is communicated with the outside, and a first mounting hole is formed in the center of the.
Furthermore, the supporting platform comprises a supporting plate, an annular sliding groove matched with the annular sliding block is formed in the supporting plate, a second mounting hole is formed in the center of the supporting plate, supporting legs distributed in an array mode are fixed below the supporting plate, and a third mounting hole is formed in the supporting plate.
Further, the driving piece comprises a motor, the motor is fixed below the supporting plate, an output shaft of the motor penetrates through the third mounting hole and is fixed with a gear, and the driving piece is in transmission with the annular rack through the gear.
Further, it includes the connecting pipe to spout the material spare, the discharge gate of flush coater is connected to the one end of connecting pipe, the other end passes second mounting hole and first mounting hole and is fixed with spouts the material pipe, the one end that spouts the material pipe is sealed, the other end communicates with the connecting pipe is perpendicular, the below of spray line is fixed with the connecting block, the lower surface of connecting block and the upper surface laminating of carousel, it is equipped with the material hole that spouts of array distribution to spout the material pipe below, it is located the one side that the connecting pipe was kept away from to spout the material hole, it is located the top of supporting shoe to spout the material hole, the below of connecting block is equipped with the fourth mounting hole, be equipped with the spout in.
Furthermore, the control piece comprises a piston, a driving shaft is fixed below the piston, the bottom surface of the driving shaft is an arc surface, the control piece is matched with the sliding groove through the piston and is located on the material spraying piece to slide through being matched with the fourth mounting hole, the spring is sleeved on the driving shaft, one end of the spring is fixed on the piston, and the other end of the spring is fixed in the sliding groove.
Further, a spraying method of the spraying device for electrostatic spraying of the circuit board,
all place the circuit board in the standing groove, the border that needs to guarantee the circuit board when placing is unsettled, rotates the piece through the driving piece drive and is located supporting platform and rotates, when the standing groove on rotating the piece rotates the below to the drive shaft, spouts the material piece and opens under the effect of spring tension, carries out the spraying to the circuit board on the supporting shoe, rotates after the standing groove, and the drive shaft is located external part and is impressed in spouting the material piece, and the piston is impressed in spouting the material pipe simultaneously and will spout the material piece and close.
And after the spraying is finished, closing the spraying machine, and airing the sprayed circuit board.
And after drying, turning over the circuit board, and spraying the other surface of the circuit board.
After the equal spraying in circuit board both sides is finished, waste water treatment facilities is connected to the second drain pipe, washes each standing groove, and waste water after the washing flows through the water drainage tank through first drain pipe and then discharges into waste water treatment facilities through the second drain pipe.
The invention has the beneficial effects that:
1. the spraying device can avoid the phenomenon of oil accumulation at the boundary of the circuit board in a suspension mode;
2. according to the spraying device, the material spraying part is opened when the placing groove on the rotating part rotates to the position below the driving shaft, and the material spraying part is closed after the rotating part rotates through the placing groove, so that paint spraying can be saved, waste is avoided, and the surface of the rotary table can be ensured to be clean;
3. the spraying device solves the problem that the traditional spraying device is difficult to clean by arranging the first drain pipe, the drain tank and the second drain pipe.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the construction of the spray coating device of the present invention;
FIG. 2 is a schematic cross-sectional view of a spray coating device according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A;
fig. 4 is a schematic structural view of the material spraying part of the invention.
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.
The utility model provides a spraying device of electrostatic spraying circuit board, spraying device includes supporting platform 1, as shown in fig. 1, fig. 2 and fig. 3, it is equipped with rotation piece 2 to rotate on supporting platform 1, supporting platform 1's below is fixed with and is used for driving a rotation piece 2 pivoted driving piece 3, driving piece 3 and the transmission of a rotation piece 2 rodent, supporting platform 1's below is fixed with material spraying machine 4, material spraying machine 4's discharge gate is connected with spouts material 5, spout material 5 and run through supporting platform 1 and rotation piece 2, the shower nozzle of spouting material 5 is located the top of a rotation piece 2, it is equipped with the control 6 that is used for the switch of control shower nozzle to spout the slip on material 5, be connected with spring 7 between control 6 and the material spraying piece 5.
The rotating part 2 comprises a rotating disc 21, an annular sliding block 22 is fixed below the rotating disc 21, an annular rack 23 is fixed on the inner wall of the annular sliding block 22, a placing groove 24 distributed in a circumferential array mode is formed in the rotating disc 21, a supporting block 25 used for placing a circuit board is fixed in the placing groove 24, a water draining groove 27 is formed in the rotating disc 21, a first water draining pipe 26 is arranged in the placing groove 24, the first water draining pipe 26 is communicated with the water draining groove 27, a second water draining pipe 28 is communicated with the inside of the water draining groove 27, the second water draining pipe 28 is communicated with the outside, and a first mounting hole 29 is formed in the center of the rotating disc.
The supporting platform 1 comprises a supporting plate 11, an annular sliding groove 12 matched with an annular sliding block 22 is formed in the supporting plate 11, a second mounting hole 13 is formed in the center of the supporting plate 11, supporting legs 14 distributed in an array mode are fixed below the supporting plate 11, and a third mounting hole is formed in the supporting plate 11.
The driving part 3 comprises a motor 31, the motor 31 is fixed below the supporting plate 11, an output shaft of the motor 31 penetrates through the third mounting hole to be fixed with a gear 32, and the driving part 3 is in mesh transmission with the annular rack 23 through the gear 32.
The material spraying part 5 comprises a connecting pipe 51, as shown in fig. 4, one end of the connecting pipe 51 is connected with a discharge port of the spraying machine 4, the other end of the connecting pipe 51 penetrates through the second mounting hole 13 and the first mounting hole 29 to be fixed with a material spraying pipe 52, one end of the material spraying pipe 52 is closed, the other end of the material spraying pipe is vertically communicated with the connecting pipe 51, a connecting block 53 is fixed below the spraying pipe 51, the lower surface of the connecting block 53 is attached to the upper surface of the turntable 21, material spraying holes 54 distributed in an array mode are formed below the material spraying pipe 52, the material spraying holes 54 are located on one side, far away from the connecting pipe 51, of the connecting block 53, the material spraying holes 54 are located above the supporting block 25, a fourth mounting hole 55 is formed below the connecting block 53.
The control member 6 comprises a piston 61, a driving shaft 62 is fixed below the piston 61, the bottom surface of the driving shaft 62 is an arc surface, the control member 6 is matched with the sliding groove 56 through the piston 61 and slides on the material spraying member 5 through being matched with the fourth mounting hole 55, the spring 7 is sleeved on the driving shaft 62, one end of the spring 7 is fixed on the piston 61, and the other end of the spring 7 is fixed in the sliding groove 56.
A spraying method of a spraying device for electrostatic spraying of a circuit board comprises the following steps:
all place the circuit board in each standing groove 24, the border that needs to guarantee the circuit board when placing is unsettled, it rotates on supporting platform 1 to rotate piece 2 through the drive of driving piece 3 drive, when rotating standing groove 24 on the piece 2 and rotating to the below of drive shaft 62, spout material 5 and open under the effect of spring 7 pulling force, carry out the spraying to the circuit board on the supporting shoe 25, rotate 2 and pass standing groove 24 back, the part that drive shaft 62 is located the external world is impressed in spouting material 5, piston 61 is impressed and is spouted the material pipe 52 and in will spouting material 5 and close simultaneously.
And after spraying, closing the spraying machine 4, and airing the sprayed circuit board.
And after drying, turning over the circuit board, and spraying the other surface of the circuit board.
After the two sides of the circuit board are sprayed, the second water discharge pipe 28 is connected with a wastewater treatment device to wash each placing groove 24, and the washed wastewater flows through the water discharge groove 27 through the first water discharge pipe 26 and then is discharged into the wastewater treatment device through the second water discharge pipe 28.
During the use, the unsettled mode in border through the circuit board, can avoid the phenomenon that the circuit board border appears gathering oil, spout material 5 and open when rotating below to drive shaft 62 through standing groove 24 on rotating piece 2, rotate the mode that material 5 closed after 2 rotates standing groove 24, can practice thrift and spray paint, avoid extravagant, can guarantee the clean surface of carousel 21 simultaneously, through first drain pipe 26, the setting of water drainage tank 27 and second drain pipe 28, the problem of traditional spraying device difficulty of wasing has been solved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The spraying device for the electrostatic spraying circuit board is characterized by comprising a supporting platform (1), a rotating piece (2) is arranged on the supporting platform (1) in a rotating mode, a driving piece (3) used for driving the rotating piece (2) to rotate is fixed below the supporting platform (1), the driving piece (3) and the rotating piece (2) are in transmission, a material spraying machine (4) is fixed below the supporting platform (1), a material spraying piece (5) is connected to a discharge port of the material spraying machine (4), the material spraying piece (5) penetrates through the supporting platform (1) and the rotating piece (2), a spray head of the material spraying piece (5) is located above the rotating piece (2), a control piece (6) used for controlling the opening and closing of the spray head is arranged on the material spraying piece (5) in a sliding mode, and a spring (7) is connected between the control piece (6) and the material spraying piece (5);
rotate piece (2) including carousel (21), the below of carousel (21) is fixed with annular slider (22), the inner wall of annular slider (22) is equipped with and is fixed with annular rack (23), be equipped with standing groove (24) of circumference array distribution on carousel (21), standing groove (24) internal fixation has supporting shoe (25) that are used for placing the circuit board, the inside of carousel (21) is equipped with water drainage tank (27), be equipped with first drain pipe (26) in standing groove (24), first drain pipe (26) and water drainage tank (27) intercommunication, water drainage tank (27) in-connection is equipped with second drain pipe (28), second drain pipe (28) and external intercommunication, the center of carousel (21) is equipped with first mounting hole (29).
2. The spraying device for the electrostatic spraying circuit board according to claim 1, wherein the supporting platform (1) comprises a supporting plate (11), an annular sliding groove (12) matched with the annular sliding block (22) is formed in the supporting plate (11), a second mounting hole (13) is formed in the center of the supporting plate (11), supporting legs (14) distributed in an array are fixed below the supporting plate (11), and a third mounting hole is formed in the supporting plate (11).
3. The electrostatic spraying circuit board spraying device as claimed in claim 2, wherein the driving member (3) comprises a motor (31), the motor (31) is fixed below the support plate (11), a gear (32) is fixed on an output shaft of the motor (31) through the third mounting hole, and the driving member (3) is in mesh transmission with the annular rack (23) through the gear (32).
4. The spraying device of the electrostatic spraying circuit board according to claim 2, wherein the spraying member (5) comprises a connecting pipe (51), one end of the connecting pipe (51) is connected with the discharge port of the spraying machine (4), the other end of the connecting pipe passes through the second mounting hole (13) and the first mounting hole (29) and is fixed with a spraying pipe (52), one end of the spraying pipe (52) is closed, the other end of the spraying pipe is vertically communicated with the connecting pipe (51), a connecting block (53) is fixed below the spraying pipe (51), the lower surface of the connecting block (53) is attached to the upper surface of the turntable (21), the spraying pipe (52) is provided with spraying holes (54) distributed in an array, the spraying holes (54) are located on one side of the connecting block (53) far away from the connecting pipe (51), the spraying holes (54) are located above the supporting block (25), the lower part of the connecting block (53) is provided with a fourth mounting hole (55), a sliding chute (56) is arranged in the fourth mounting hole (55), and the sliding chute (56) is communicated with the interior of the material spraying pipe (52).
5. The spraying device for electrostatic spraying of the circuit board as claimed in claim 4, wherein the control member (6) comprises a piston (61), a driving shaft (62) is fixed below the piston (61), the bottom surface of the driving shaft (62) is an arc surface, the control member (6) is matched with the chute (56) through the piston (61), and is located on the spraying member (5) to slide through being matched with the fourth mounting hole (55), the spring (7) is sleeved on the driving shaft (62), one end of the spring (7) is fixed on the piston (61), and the other end of the spring is fixed in the chute (56).
6. The spraying method of the spraying device for electrostatically spraying a wiring board as claimed in any one of claims 1 to 5,
all place the circuit board in each standing groove (24), need to guarantee during the placement that the border of circuit board is unsettled, it rotates on supporting platform (1) to be located through driving piece (3) drive rotation piece (2), when standing groove (24) on rotation piece (2) rotated the below to drive shaft (62), spout material spare (5) and open under the effect of spring (7) pulling force, carry out the spraying to the circuit board on supporting shoe (25), rotate piece (2) and pass standing groove (24) back, the part that drive shaft (62) are located the external world is impressed and is spouted in material spare (5), piston (61) are impressed and are spouted material spare (5) and close in material pipe (52) simultaneously.
And after the spraying is finished, closing the spraying machine (4) and airing the sprayed circuit board.
And after drying, turning over the circuit board, and spraying the other surface of the circuit board.
After the two sides of the circuit board are sprayed, the second drain pipe (28) is connected with a wastewater treatment device to wash each placing groove (24), and the washed wastewater flows through the drain groove (27) through the first drain pipe (26) and then is discharged into the wastewater treatment device through the second drain pipe (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011480404.7A CN112691808A (en) | 2020-12-15 | 2020-12-15 | Spraying device and method for electrostatic spraying circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011480404.7A CN112691808A (en) | 2020-12-15 | 2020-12-15 | Spraying device and method for electrostatic spraying circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112691808A true CN112691808A (en) | 2021-04-23 |
Family
ID=75508303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011480404.7A Pending CN112691808A (en) | 2020-12-15 | 2020-12-15 | Spraying device and method for electrostatic spraying circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112691808A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205074281U (en) * | 2015-09-23 | 2016-03-09 | 宁波兴波机械有限公司 | Heat treating with high -efficient belt cleaning device of work piece |
| CN109332079A (en) * | 2018-11-21 | 2019-02-15 | 江苏昱博自动化设备有限公司 | A kind of automatic glue spreaders |
| CN208643022U (en) * | 2018-06-11 | 2019-03-26 | 东莞市久为纳米材料有限公司 | A kind of glass liquid medicine spray gun structure |
| CN209953117U (en) * | 2019-04-30 | 2020-01-17 | 苏州能拓新能源有限公司 | Spraying device for elevator accessories |
| CN210499794U (en) * | 2019-09-09 | 2020-05-12 | 横店集团英洛华电气有限公司 | Automatic rotating mechanism for workpiece on turntable |
| CN111761505A (en) * | 2020-07-10 | 2020-10-13 | 浙江中晶科技股份有限公司 | Silicon wafer double-side grinding equipment and production process thereof |
| CN111804482A (en) * | 2020-07-21 | 2020-10-23 | 惠安畅悦工业产品设计有限公司 | Surface paint spraying device for inverter production |
| CN211914337U (en) * | 2019-12-17 | 2020-11-13 | 江苏东港家具有限公司 | Spraying equipment is used in processing of wooden table of protection formula |
-
2020
- 2020-12-15 CN CN202011480404.7A patent/CN112691808A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205074281U (en) * | 2015-09-23 | 2016-03-09 | 宁波兴波机械有限公司 | Heat treating with high -efficient belt cleaning device of work piece |
| CN208643022U (en) * | 2018-06-11 | 2019-03-26 | 东莞市久为纳米材料有限公司 | A kind of glass liquid medicine spray gun structure |
| CN109332079A (en) * | 2018-11-21 | 2019-02-15 | 江苏昱博自动化设备有限公司 | A kind of automatic glue spreaders |
| CN209953117U (en) * | 2019-04-30 | 2020-01-17 | 苏州能拓新能源有限公司 | Spraying device for elevator accessories |
| CN210499794U (en) * | 2019-09-09 | 2020-05-12 | 横店集团英洛华电气有限公司 | Automatic rotating mechanism for workpiece on turntable |
| CN211914337U (en) * | 2019-12-17 | 2020-11-13 | 江苏东港家具有限公司 | Spraying equipment is used in processing of wooden table of protection formula |
| CN111761505A (en) * | 2020-07-10 | 2020-10-13 | 浙江中晶科技股份有限公司 | Silicon wafer double-side grinding equipment and production process thereof |
| CN111804482A (en) * | 2020-07-21 | 2020-10-23 | 惠安畅悦工业产品设计有限公司 | Surface paint spraying device for inverter production |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |