CN219092406U

CN219092406U - Electrostatic spraying device for powder coating

Info

Publication number: CN219092406U
Application number: CN202223450004.9U
Authority: CN
Inventors: 陈娟
Original assignee: Kaimuyuan Shanghai Chemical Materials Co ltd
Current assignee: Kelan Yuping Shanghai New Material Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-30
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a powder coating electrostatic spraying device which comprises a spraying nozzle, wherein a feeding device, a drying device and a moving device are arranged on the spraying nozzle, the feeding device comprises a material box, a cover plate, an air cylinder, a piston, a discharging pipe and a feeding pipe, the cover plate is arranged at the top of the material box, the air cylinder is arranged on the upper surface of the cover plate, the telescopic end of the air cylinder penetrates through the cover plate and is connected with the piston, the piston is arranged in the material box in a sliding manner, the discharging pipe is arranged at the bottom of the material box, one end of the feeding pipe is connected with the spraying nozzle, and the other end of the feeding pipe is connected with the discharging pipe through a hose.

Description

Electrostatic spraying device for powder coating

Technical Field

The utility model relates to the technical field of electrostatic spraying devices, in particular to a powder coating electrostatic spraying device.

Background

When the workpiece is subjected to electrostatic spraying, the workpiece is generally placed on a rotatable workbench or a support, the workpiece is directly driven to rotate through the workbench or the support, and then the workpiece is subjected to electrostatic spraying through an electrostatic spraying device arranged on one side of the workbench. When the electrostatic spraying device is used for electrostatic spraying, a high-voltage corona discharge electric field is formed between the spray head and the workpiece, powder passes through the discharge area when sprayed out through the spray head opening, is negatively charged and finally adsorbed on the surface of the workpiece to form a spraying layer, and then the powder layer is heated by the external drying device to be leveled to be a uniform film layer. However, the existing electrostatic spraying device generally sprays all positions of a workpiece by manually holding a spray head, but the mode is time-consuming and labor-consuming, has high labor intensity of workers and high labor cost, and cannot realize the spraying of all positions of the workpiece when the spray head is fixedly installed and then sprays the workpiece with large volume; meanwhile, the existing electrostatic spraying device is not generally provided with a drying device, a workpiece is required to be placed in an external drying device for drying, a transfer trolley is required to be used for transferring in the transferring process, and a clamp is required to be used for carrying out secondary clamping when the workpiece is placed in the drying device, so that time and labor are consumed.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides an electrostatic spraying device for powder coating, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a powder coating electrostatic spraying device, includes the spraying shower nozzle, be equipped with material feeding unit, drying device and mobile device on the spraying shower nozzle, material feeding unit includes workbin, apron, cylinder, piston, discharging pipe and feed tube, and the apron sets up at the top of workbin, and the cylinder setting is at the upper surface of apron, and its flexible end runs through the apron and with piston connection, the piston slides and sets up in the workbin, and the discharging pipe sets up the bottom at the workbin, and the one end and the spraying shower nozzle of feed tube are connected, and the other end and the discharging pipe pass through hose (not shown in the figure) to be connected, drying device includes fan, heating mechanism, stoving shower nozzle, air-out pipe and blast pipe, the fan with heating mechanism connects, the air-out pipe with heating mechanism connects, and the one end and the stoving shower nozzle of blast pipe are connected, and the other end and the air-out pipe pass through hose (not shown in the figure) to be connected.

Preferably, the moving device comprises a transverse moving mechanism and a longitudinal moving mechanism, the transverse moving mechanism comprises a first mounting frame, a first motor, a first screw rod and a first sliding rail, the first motor is arranged on one side of the first mounting frame, the output end of the first motor is connected with the first screw rod, the two ends of the first screw rod are rotationally connected with the first mounting frame, the first sliding rail is arranged on the first mounting frame, and the longitudinal moving mechanism is connected with the first screw rod and the first sliding rail, so that the spraying nozzle and the drying nozzle are conveniently driven to move along the left-right direction.

In a further preferred embodiment, the longitudinal moving mechanism includes a second mounting frame, a second motor, a second screw rod and a second sliding rail, the second motor is arranged on the second mounting frame, an output end of the second motor is connected with the second screw rod, two ends of the second screw rod are rotationally connected with the second mounting frame, and the second sliding rail is arranged on the second mounting frame, so that the spraying nozzle and the drying nozzle are conveniently driven to move along the up-down direction.

In a further preferred embodiment, the second mounting frame is screwed on the outside of the first screw rod and is slidably connected with the first sliding rail, the second screw rod is externally screwed on the mounting plate, and the mounting plate is slidably connected with the second sliding rail, so that the longitudinal moving mechanism and the transverse moving mechanism are conveniently connected.

In a further preferred aspect, the spray nozzle and the drying nozzle are both disposed on the mounting plate, so that the spray nozzle and the drying nozzle are connected with the moving device.

In a further preferred embodiment, the heating mechanism comprises a heating box, a mounting frame and a heating pipe, wherein the air outlet pipe is connected with the top of the heating box, the heating pipe is arranged in the mounting frame, a cabinet door is arranged on one side of the heating box, a through groove matched with the mounting frame is formed in the cabinet door, the mounting frame is arranged in the through groove, and the mounting frame and the cabinet door are detachably connected through bolts, so that air is heated conveniently.

In a further preferred aspect, a supporting table is arranged below the feed box, a vertical frame is arranged on one side of the supporting table, and the first installation frame is arranged on the vertical frame and is convenient for supporting the feed box and is convenient for supporting the first installation frame.

In a further preferred embodiment, the heating box is arranged on the supporting table, a connecting cover is arranged on the lower surface of the heating box, and the bottom of the connecting cover is connected with the fan, so that the heating box and the fan are connected conveniently.

(III) beneficial effects

Compared with the prior art, the utility model provides a powder coating electrostatic spraying device, which has the following beneficial effects:

1. the utility model is provided with the moving device, the spraying nozzle and the drying nozzle are conveniently driven to move transversely by the transverse moving mechanism, the spraying nozzle and the drying nozzle are conveniently driven to move longitudinally by the longitudinal moving mechanism, the spraying nozzle is convenient to spray all positions of a workpiece, and the drying nozzle is also convenient to bake all positions of the workpiece;

2. the utility model is provided with the feeding device, the cover plate is disassembled, dust is placed in the feed box, the cylinder is started to drive the piston to move downwards, the powder is pushed into the discharging pipe to realize discharging, and then the powder enters the spraying nozzle through the external hose and the feeding pipe to spray the workpiece;

3. the utility model is provided with the drying device, after the spraying is finished, the surface of the workpiece is directly baked through the drying device, so that the powder layer of the workpiece is flattened to form a film layer, the workpiece is not required to be disassembled for transportation, and the workpiece is placed in the drying device for secondary clamping and then baked, thereby improving the production efficiency and saving time and labor.

Drawings

FIG. 1 is a schematic view of the overall structure of an electrostatic powder coating spraying device according to the present utility model;

FIG. 2 is a schematic view of another angle structure of the present utility model;

FIG. 3 is a schematic view of a mounting frame according to the present utility model;

FIG. 4 is a schematic view of the cylinder and piston structure of the present utility model;

FIG. 5 is a schematic diagram of an exploded view of a heating mechanism according to the present utility model;

FIG. 6 is a schematic view of a second mounting frame according to the present utility model;

FIG. 7 is a schematic view of the structure of the feed box in the utility model.

In the figure: 1. spraying a spray nozzle; 2. a feed box; 3. a cover plate; 4. a cylinder; 5. a piston; 6. a discharge pipe; 7. a feed pipe; 8. a blower; 9. drying the spray head; 10. an air outlet pipe; 11. an air supply pipe; 12. a first mounting frame; 13. a first motor; 14. a first lead screw; 15. a first slide rail; 16. a second mounting frame; 17. a second motor; 18. a second lead screw; 19. a second slide rail; 20. a mounting plate; 21. a heating box; 22. a mounting frame; 23. heating pipes; 24. a cabinet door; 25. a through groove; 26. a support table; 27. a vertical frame; 28. and a connecting cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-7, an electrostatic powder coating spraying device comprises a spraying nozzle 1, wherein a feeding device, a drying device and a moving device are arranged on the spraying nozzle 1, the feeding device comprises a material box 2, a cover plate 3, an air cylinder 4, a piston 5, a discharging pipe 6 and a feeding pipe 7, the cover plate 3 is arranged at the top of the material box 2, the air cylinder 4 is arranged on the upper surface of the cover plate 3, the telescopic end of the air cylinder penetrates through the cover plate 3 and is connected with the piston 5, the piston 5 is arranged in the material box 2 in a sliding manner, the discharging pipe 6 is arranged at the bottom of the material box 2, one end of the feeding pipe 7 is connected with the spraying nozzle 1, the other end of the feeding pipe 6 is connected with the discharging pipe 6 through a hose, the drying device comprises a fan 8, a heating mechanism, a drying nozzle 9, an air outlet pipe 10 and an air outlet pipe 11, the heating mechanism are connected, one end of the air outlet pipe 11 is connected with the drying nozzle 9, and the other end of the air outlet pipe 10 is connected with the air outlet pipe 10 through a hose not shown.

Referring to fig. 1-7, the moving device includes a lateral moving mechanism and a longitudinal moving mechanism, the lateral moving mechanism includes a first mounting frame 12, a first motor 13, a first screw 14 and a first sliding rail 15, the first motor 13 is disposed on one side of the first mounting frame 12, an output end of the first motor 13 is connected with the first screw 14, two ends of the first screw 14 are both rotationally connected with the first mounting frame 12, the first sliding rail 15 is disposed on the first mounting frame 12, and the longitudinal moving mechanism is connected with the first screw 14 and the first sliding rail 15. The longitudinal moving mechanism comprises a second mounting frame 16, a second motor 17, a second lead screw 18 and a second sliding rail 19, wherein the second motor 17 is arranged on the second mounting frame 16, the output end of the second motor 17 is connected with the second lead screw 18, both ends of the second lead screw 18 are rotatably connected with the second mounting frame 16, and the second sliding rail 19 is arranged on the second mounting frame 16. The second mounting bracket 16 is arranged outside the first lead screw 14 in a threaded manner and is in sliding connection with the first sliding rail 15, the second lead screw 18 is provided with a mounting plate 20 in a threaded manner, and the mounting plate 20 is in sliding connection with the second sliding rail 19. The spray nozzle 1 and the drying nozzle 9 are both arranged on the mounting plate 20. When the spray coating device is used, a workpiece to be sprayed is placed on an external rotary workbench or a rotary frame, the device is placed on one side of the workpiece, the first motor 13 is started, the first lead screw 14 is driven to rotate, the second mounting frame 16 is driven to move along the first sliding rail 15, the second motor 17 is started, the second lead screw 18 is driven to rotate, the mounting plate 20 is driven to move along the direction of the second sliding rail 19, the spray coating nozzle 1 is driven to move along the left-right direction and the up-down direction, and the surface of the workpiece is sprayed.

Referring to fig. 1-7, the heating mechanism comprises a heating box 21, a mounting frame 22 and a heating pipe 23, wherein the air outlet pipe 10 is connected with the top of the heating box 21, the heating pipe 23 is arranged in the mounting frame 22, a cabinet door 24 is arranged on one side of the heating box 21, a through groove 25 matched with the mounting frame 22 is formed in the cabinet door 24, the mounting frame 22 is arranged in the through groove 25, and the mounting frame 22 and the cabinet door 24 are detachably connected through bolts. When the air dryer is used, the fan 8 pumps outside air into the heating box 21, the heating pipe 23 is externally connected with a power supply, the power supply is started, the heating pipe 23 is heated, when the air passes through the heating pipe 23 to be heated, the heated air enters the air feeding pipe 11 through the air outlet pipe 10 and an external hose, and is discharged through the drying spray nozzle 9 and blown to the surface of a workpiece, and the workpiece is baked.

Referring to fig. 1 to 7, a supporting table 26 is disposed below the bin 2, a stand 27 is disposed on one side of the supporting table 26, and the first mounting frame 12 is disposed on the stand 27. The heating cabinet 21 is arranged on the supporting table 26, a connecting cover 28 is arranged on the lower surface of the heating cabinet 21, and the bottom of the connecting cover 28 is connected with the fan 8. In use, the bin 2 is placed on the support table 26, and the heating box 21 is placed on the support table 26, the blower 8 is placed below the support table 26, and the blower 8 and the heating box 21 are connected by the connecting cover 28.

Example 2:

in sum, when in use, a workpiece to be sprayed is placed on an external rotary workbench or a rotary frame, the device is placed on one side of the workpiece, a first motor 13 is started, the first motor is driven to rotate by a first lead screw 14, a second mounting frame 16 is driven to move along a first sliding rail 15, a second motor 17 is started, a second lead screw 18 is driven to rotate, a mounting plate 20 is driven to move along the direction of a second sliding rail 19, a spray nozzle 1 is driven to move in the left-right direction and the up-down direction, the surface of the workpiece is sprayed, and when in spray, a cylinder 4 is started, the piston 5 is driven to move downwards, powder in a material box 2 is extruded downwards, the powder enters a discharge pipe 6, finally the powder enters a feed pipe 7 through an external hose, and finally the powder is sprayed on the surface of the workpiece through the spray nozzle 1, so that the spray of the workpiece is realized.

Example 3:

in sum, when in use, the feed box 2 is placed on the supporting table 26, the heating box 21 is placed on the supporting table 26, the fan 8 is placed below the supporting table 26, the fan 8 and the heating box 21 are connected through the connecting cover 28, the fan 8 pumps outside air into the heating box 21, the heating pipe 23 is externally connected with a power supply, the power supply is started, the heating pipe 23 is enabled to heat, when the air passes through the heating pipe 23 to heat, the heated air enters the air supply pipe 11 through the air outlet pipe 10 and the external hose, is discharged through the drying spray nozzle 9 and is blown to the surface of a workpiece, the workpiece is baked, and a dust layer on the surface of the workpiece is leveled to form a film layer.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The electrostatic powder coating spraying device comprises a spraying nozzle (1), and is characterized in that: be equipped with material feeding unit, drying device and mobile device on spraying shower nozzle (1), material feeding unit includes workbin (2), apron (3), cylinder (4), piston (5), discharging pipe (6) and conveying pipe (7), apron (3) set up at the top of workbin (2), cylinder (4) set up the upper surface at apron (3), and its flexible end runs through apron (3) and is connected with piston (5), piston (5) slip sets up in workbin (2), discharging pipe (6) set up in the bottom of workbin (2), the one end and the spraying shower nozzle (1) of conveying pipe (7) are connected, the other end and discharging pipe (6) pass through hose connection, drying device includes fan (8), heating mechanism, drying shower nozzle (9), air-out pipe (10) and blast pipe (11), fan (8) with heating mechanism connects, air-out pipe (10) with heating mechanism connects, the one end and drying shower nozzle (9) of blast pipe (11) are connected, and the other end and air-out pipe (10) pass through hose connection.

2. A powder paint electrostatic spraying apparatus as claimed in claim 1 wherein: the mobile device includes lateral shifting mechanism and longitudinal shifting mechanism, lateral shifting mechanism includes first mounting bracket (12), first motor (13), first lead screw (14) and first slide rail (15), first motor (13) set up in one side of first mounting bracket (12), and the output and the first lead screw (14) of first motor (13) are connected, and the both ends of first lead screw (14) all rotate with first mounting bracket (12) and are connected, and first slide rail (15) set up on first mounting bracket (12), longitudinal shifting mechanism and first lead screw (14) and first slide rail (15) are connected.

3. A powder coating electrostatic spraying device according to claim 2, characterized in that: the vertical moving mechanism comprises a second mounting frame (16), a second motor (17), a second lead screw (18) and a second sliding rail (19), wherein the second motor (17) is arranged on the second mounting frame (16), the output end of the second motor (17) is connected with the second lead screw (18), the two ends of the second lead screw (18) are both rotationally connected with the second mounting frame (16), and the second sliding rail (19) is arranged on the second mounting frame (16).

4. A powder paint electrostatic spraying apparatus as claimed in claim 3 wherein: the second mounting frame (16) is arranged outside the first lead screw (14) in a threaded mode and is in sliding connection with the first sliding rail (15), the mounting plate (20) is arranged on the second lead screw (18) in an externally threaded mode, and the mounting plate (20) is in sliding connection with the second sliding rail (19).

5. The electrostatic powder coating device according to claim 4, wherein: the spraying nozzle (1) and the drying nozzle (9) are arranged on the mounting plate (20).

6. A powder coating electrostatic spraying device according to claim 2, characterized in that: the heating mechanism comprises a heating box (21), a mounting frame (22) and a heating pipe (23), wherein the air outlet pipe (10) is connected with the top of the heating box (21), the heating pipe (23) is arranged in the mounting frame (22), a cabinet door (24) is arranged on one side of the heating box (21), a through groove (25) matched with the mounting frame (22) is formed in the cabinet door (24), the mounting frame (22) is arranged in the through groove (25), and the mounting frame (22) is detachably connected with the cabinet door (24) through bolts.

7. The electrostatic powder coating device according to claim 6, wherein: a supporting table (26) is arranged below the feed box (2), a stand (27) is arranged on one side of the supporting table (26), and the first mounting frame (12) is arranged on the stand (27).

8. A powder paint electrostatic spraying apparatus as claimed in claim 7 wherein: the heating box (21) is arranged on the supporting table (26), a connecting cover (28) is arranged on the lower surface of the heating box (21), and the bottom of the connecting cover (28) is connected with the fan (8).