CN219273445U

CN219273445U - Spraying device for electrostatic coating

Info

Publication number: CN219273445U
Application number: CN202320885702.7U
Authority: CN
Inventors: 颜玉美
Original assignee: Yancheng Ruitai Motor Co ltd
Current assignee: Yancheng Ruitai Motor Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-30
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of spraying equipment and discloses a spraying device for electrostatic coating, which comprises a coating box and a spraying box, wherein the spraying box is fixedly arranged at the top of the coating box, a fixing tool is arranged at the center position of the top of the spraying box, box doors are arranged between the inner wall and the outer wall of the two ends of the spraying box, through holes are formed in the positions of the two ends of the bottom between the inner wall and the outer wall of the two sides of the coating box, high-pressure pumps are fixedly arranged at the positions of the four through holes in the inner wall of the coating box, perforations are formed in the positions of the two ends between the inner wall and the outer wall of the two sides of the spraying box, and spray heads are fixedly arranged at the positions of the four perforations in the inner wall of the spraying box. According to the utility model, the stirring blades rotate to stir the paint in the paint box, the obliquely arranged servo motor plays a role in guiding to drive the paint to turn, and the oblique directions of two adjacent groups of stirring blades are opposite, so that the paint turns and convection is generated, and the uniformity of stirring the paint is further improved.

Description

Spraying device for electrostatic coating

Technical Field

The utility model belongs to the technical field of spraying equipment, and particularly relates to a spraying device for electrostatic coating.

Background

The electrostatic spraying is a coating method which uses a corona discharge principle to lead atomized paint to be negatively charged under the action of a high-voltage direct current electric field and to be adsorbed on the surface of a positively charged substrate for discharging. The electrostatic spraying equipment consists of a spray gun, a spray cup, an electrostatic spraying high-voltage power supply and the like.

In the electrostatic spraying process, the sprayed excessive paint is easy to waste or pollute, so that the paint is usually recycled, but the sprayed paint can be mixed with sundries such as chips or dust remained on the surface of a workpiece after contacting the workpiece and air, and if the sprayed paint is directly recycled, the spraying effect is easily affected or the spray nozzle is blocked.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a spraying device that electrostatic coating used, includes coating case and spraying case, spraying case fixed mounting is in coating case top, and spraying case top central point puts the department and is provided with fixed frock, all is provided with the chamber door between the inner and outer wall in the spraying case both ends, the through-hole has all been seted up at bottom both ends position between the inner and outer wall in coating case both sides, and the coating incasement wall is located four through-hole position department and all fixed mounting has the perforation, and the spraying incasement wall is located four equal fixed mounting of perforation position department and has the shower nozzle, and four shower nozzles correspond two by two with four high-pressure pumps, and be connected with the conveyer pipe between shower nozzle and the high-pressure pump, be provided with rabbling mechanism in the coating case.

As a preferred embodiment of the utility model, a servo motor is fixedly arranged at the center position of the outer wall of one side of the paint box, the stirring mechanism comprises a shaft lever, the shaft lever is rotatably arranged at the center position between the inner walls of the two sides of the paint box, one end of the shaft lever, which is close to the servo motor, penetrates through the box wall and is fixedly connected with an output shaft of the servo motor, three fixed shaft sleeves are uniformly and fixedly arranged at intervals on the outer side of the circumference of the shaft lever, and three stirring blades are fixedly connected on the circumference outer wall of the fixed shaft sleeve in a circumference array.

In a preferred embodiment of the present utility model, the stirring blades are disposed obliquely, and the oblique directions of the stirring blades disposed on the two adjacent fixing bushings are opposite.

As a preferred implementation mode of the utility model, a filter plate is fixedly arranged at the top part between the inner walls of the paint box, and a filter hole is arranged between the top part and the bottom part of the filter plate.

In a preferred embodiment of the present utility model, the cross section of the filter plate is in a shape of circular arc and concave downward.

As a preferred implementation mode of the utility model, the conveying pipe is rotationally connected with the spray head, a connecting block is arranged at the position of the center between the inner walls of the spray head and positioned at the outlet of the conveying pipe, and three guide vanes are distributed between the circumferential outer wall of the connecting block and the circumferential inner wall of the spray head in a circumferential array.

As a preferred embodiment of the utility model, one end of the guide vane, which is far away from the connecting block, is fixedly connected with the inner wall of the spray head, and the guide vane is obliquely arranged.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the device is used, the servo motor switch is turned on, so that the stirring blades rotate to stir the paint in the paint box, the inclined servo motor plays a guiding role to drive the paint to turn over, and the inclination directions of the two adjacent groups of stirring blades are opposite, so that convection is generated when the paint turns over, and the uniformity of stirring the paint is further improved.

2. The setting of filter makes unnecessary coating after the spraying drop on the filter and flow into the coating case again through the filtration in, when avoiding the coating extravagant, prevent to mix into work piece and influence coating circulation spraying effect or produce the effect of jam to the shower nozzle in the coating after the spraying.

3. When paint enters the spray head from the conveying pipe, the spray head rotates under the guiding action of the guide vane, so that the paint is further evenly stirred, and meanwhile, centrifugal acting force generated by rotation enables the sprayed paint to be more evenly dispersed, and the spraying effect is improved.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

fig. 3 is a schematic cross-sectional view of a spray head according to the present utility model.

In the figure: 1. a coating box; 2. a spraying box; 3. a door; 4. a servo motor; 5. a delivery tube; 6. fixing the tool; 7. a spray head; 8. a high pressure pump; 9. a filter plate; 10. a shaft lever; 11. fixing the shaft sleeve; 12. stirring blades; 13. a connecting block; 14. and (3) guiding the blade.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

Embodiment one: the utility model provides a spraying device that electrostatic coating used, as shown in fig. 1-2, including scribbling workbin 1 and spraying workbin 2, spraying workbin 2 fixed mounting is in coating workbin 1 top, spraying workbin 2 top central point puts the department and is provided with fixed frock 6, all be provided with chamber door 3 between the inner and outer wall of spraying workbin 2 both ends, the through-hole has all been seted up at the bottom both ends position between the inner and outer wall of coating workbin 1 both sides, it has high-pressure pump 8 to scribble workbin 1 inner wall and be located four through-hole positions department all and have seted up the perforation, spraying workbin 2 inner wall is located four perforation positions department and all fixed mounting has shower nozzle 7, four shower nozzles 7 correspond with four high-pressure pump 8 two by two, and be connected with conveyer pipe 5 between shower nozzle 7 and the high-pressure pump 8, be provided with rabbling mechanism in the coating workbin 1.

As shown in fig. 2, a servo motor 4 is fixedly mounted at the center position of the outer wall of one side of the paint tank 1, the stirring mechanism comprises a shaft lever 10, the shaft lever 10 is rotatably mounted at the center position between the inner walls of two sides of the paint tank 1, one end, close to the servo motor 4, of the shaft lever 10 penetrates through the tank wall and is fixedly connected with an output shaft of the servo motor 4, three fixed shaft sleeves 11 are uniformly distributed and fixedly mounted at intervals on the outer side of the circumference of the shaft lever 10, and three stirring blades 12 are fixedly connected on the outer circumference wall of the fixed shaft sleeves 11 in a circumferential array. The stirring blades 12 are obliquely arranged, and the oblique directions of the stirring blades 12 arranged on the two adjacent fixed shaft sleeves 11 are opposite.

Working principle: when the device is used, the servo motor 4 is started to turn on and turn off, so that the stirring blades 12 rotate to stir the paint in the paint box 1, the obliquely arranged servo motor 4 plays a guiding role to drive the paint to turn over, and the oblique directions of the two adjacent groups of stirring blades 12 are opposite, so that convection is generated when the paint turns over, and the uniformity of stirring the paint is further improved.

Embodiment two: as shown in fig. 2, a filter plate 9 is fixedly arranged at the top position between the inner walls of the paint box 1, and a filter hole is arranged between the top and the bottom of the filter plate 9. The section of the filter plate 9 is in a circular arc downward concave shape.

Working principle: the setting of filter 9 makes unnecessary coating after the spraying drop on filter 9 and flows into in the coating case 1 again through the filtration, when avoiding the coating extravagant, prevents to mix into work piece in the coating after the spraying and influences coating circulation spraying effect or produces the jam effect to shower nozzle 7.

Embodiment III: as shown in fig. 3, the conveying pipe 5 is rotationally connected with the spray head 7, a connecting block 13 is arranged at the central position between the inner walls of the spray head 7 and at the outlet position of the conveying pipe 5, and three guide vanes 14 are distributed between the circumferential outer wall of the connecting block 13 and the circumferential inner wall of the spray head 7 in a circumferential array. One end of the guide vane 14, which is far away from the connecting block 13, is fixedly connected with the inner wall of the spray head 7, and the guide vane 14 is obliquely arranged.

Working principle: when paint enters the spray head 7 from the conveying pipe 5, the spray head 7 rotates under the guiding action of the guide blades 14, so that the paint is further evenly stirred, and centrifugal force generated by rotation simultaneously causes the sprayed paint to be more evenly dispersed, and the spraying effect is improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a spraying device that electrostatic coating was used, includes coating case (1) and spraying case (2), its characterized in that, spraying case (2) fixed mounting is in coating case (1) top, and spraying case (2) top central point puts department and is provided with fixed frock (6), all is provided with chamber door (3) between the inner and outer wall in spraying case (2) both ends, through-hole has all been seted up at bottom both ends position between the inner and outer wall in coating case (1) both sides, and coating case (1) inner wall is located four through-hole positions and all fixed mounting has high-pressure pump (8), perforation has all been seted up at both ends position department between the inner wall in spraying case (2) both sides, and spraying case (2) inner wall is located four perforation positions and all fixed mounting shower nozzle (7), and four high-pressure pump (8) are two liang to correspond, and are connected with conveyer pipe (5) between shower nozzle (7) and the high-pressure pump (8), be provided with rabbling mechanism in coating case (1).

2. The spraying device for electrostatic painting according to claim 1, wherein the servo motor (4) is fixedly installed at the central position of the outer wall of one side of the paint box (1), the stirring mechanism comprises a shaft lever (10), the shaft lever (10) is rotatably installed at the central position between the inner walls of two sides of the paint box (1), one end, close to the servo motor (4), of the shaft lever (10) penetrates through the box wall and is fixedly connected with the output shaft of the servo motor (4), three fixed shaft sleeves (11) are fixedly installed at equal intervals on the outer side of the circumference of the shaft lever (10), and three stirring blades (12) are fixedly connected on the outer circumference wall of the fixed shaft sleeve (11) in a circumference array distribution.

3. The electrostatic painting apparatus according to claim 2, wherein the stirring blades (12) are inclined, and the stirring blades (12) provided on the adjacent two fixing bushings (11) are inclined in opposite directions.

4. The spraying device for electrostatic painting according to claim 1, characterized in that a filter plate (9) is fixedly arranged at the top position between the inner walls of the paint tank (1), and a filter hole is arranged between the top and the bottom of the filter plate (9).

5. The electrostatic painting apparatus according to claim 4, wherein the cross section of the filter plate (9) is in the shape of a circular arc concave downward.

6. The spraying device for electrostatic painting according to claim 1, characterized in that the conveying pipe (5) is rotatably connected with the spray head (7), a connecting block (13) is arranged at the outlet position of the conveying pipe (5) at the center position between the inner walls of the spray head (7), and three guide blades (14) are arranged in a circumferential array between the circumferential outer wall of the connecting block (13) and the circumferential inner wall of the spray head (7).

7. The electrostatic painting device according to claim 6, wherein the end of the guide vane (14) far away from the connecting block (13) is fixedly connected with the inner wall of the nozzle (7), and the guide vane (14) is obliquely arranged.