Electrostatic coating device for automobile part production

Abstract

The invention discloses an electrostatic coating device for automobile part production, and relates to the technical field of automobile part production, the electrostatic coating device comprises a coating cabin, a positioning block is fixedly connected to the coating cabin, and a reciprocating adjusting mechanism is arranged in the positioning block; and the adjusting mechanism comprises a gear ring which rotates, an electrostatic sprayer is arranged on the inner wall of the gear ring, and the gear ring rotates to drive the electrostatic sprayer to rotate, so that rotary spraying on the surface of the automobile is achieved. Through the arrangement of the adjusting mechanism, the electrostatic sprayer not only can perform reciprocating motion coating along the X axis, but also can synchronously realize 360-degree annular rotation, so that the electrostatic sprayer ensures that complex curved surface accessories are uniformly covered at all angles, a spraying blind area is eliminated, the movement stability is improved, and uneven coating thickness caused by deflection is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of automobile parts production, and in particular to an electrostatic coating device for automobile parts production. Background Art

[0002] Surface coating of automotive parts is a core process to improve their corrosion resistance, aesthetics and functionality (such as insulation and wear resistance). Traditional spraying technology has problems such as low paint utilization, uneven coverage of complex curved surfaces, and environmental pollution. Electrostatic coating technology uses a high-voltage electric field to charge paint particles and adsorb them on the surface of the workpiece, significantly improving coating efficiency and uniformity, and becoming the preferred solution for automotive parts production.

[0003] In the production process of automotive parts, surface coating is a key process to improve the corrosion resistance, aesthetics and functionality of the products. Electrostatic spraying technology is widely used in such scenarios due to its advantages such as high paint utilization rate and strong adhesion. However, existing electrostatic coating devices still face challenges in the coating of complex-shaped accessories (such as multi-curved surfaces and special-shaped structures). Traditional equipment mostly relies on single axial movement or fixed-angle spraying, resulting in insufficient coating uniformity. Most devices can only achieve linear reciprocating or fixed-angle rotation, resulting in insufficient coverage of blind spots in complex accessories. Summary of the invention

[0004] The object of the present invention is to provide an electrostatic coating device for automobile parts production to solve the problems raised in the above background technology.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] An electrostatic coating device for automobile parts production comprises a coating cabin, a positioning block is fixedly connected to the coating cabin, and a reciprocating adjustment mechanism is arranged inside the positioning block;

[0007] The regulating mechanism comprises a rotating gear ring, an inner wall of which is provided with an electrostatic sprayer. The rotation of the gear ring drives the electrostatic sprayer to rotate, thereby realizing rotational spraying on the surface of the automobile.

[0008] As a further solution of the present invention: the adjustment mechanism further comprises a reciprocating screw driven by an output end of the motor, and a moving block is threadedly connected to the surface of the reciprocating screw;

[0009] A connecting frame, the connecting frame is fixedly connected to the bottom of the moving block, one side of the connecting frame is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to the transmission shaft, and the middle part of the transmission shaft is fixedly connected to the gear, and the gear is meshed and connected to the gear ring;

[0010] The limiting columns are provided in two groups and are both arranged in arc grooves opened on both sides of the gear ring, and one side of the limiting columns is fixed to the connecting frame.

[0011] As a further solution of the present invention: the moving block slides through the sliding groove opened in the positioning block, the motor is fixed to one side of the outside of the positioning block, the reciprocating screw moves in the middle of the positioning block, the electrostatic sprayer is fixedly installed on the inner side of the gear ring, the transmission shaft moves in the middle of the connecting frame, and the limit column slides in the arc groove opened in the gear ring.

[0012] As a further solution of the present invention: the adjustment mechanism also includes two groups of shielding components, and the two groups of shielding components are arranged on both sides of the gear ring, and the two groups of shielding components are used to shield and protect the electrostatic sprayer during spraying.

[0013] As a further solution of the present invention: the shielding assembly includes a second arc-shaped shielding plate, both sides of one end of the second arc-shaped shielding plate are provided with sliding grooves, and a sliding block is slidably connected in the sliding groove, and the side of the sliding block away from the sliding groove is fixedly connected to the first arc-shaped shielding plate;

[0014] The sliding plates are provided in two groups and are respectively fixed to the inner sides of the first arc-shaped shielding plate and the second arc-shaped shielding plate. The sliding plates are threadedly connected with bolts, and the sliding plates slide through the sliding grooves provided on the inner side of the gear ring.

[0015] As a further solution of the present invention: a guide column is fixedly installed in a slide groove opened on one side of the coating cabin, and multiple groups of support rods slide on the surface of the guide column. At the same time, the support rods slide through the slide groove opened on one side of the coating cabin. The support rods are arranged on the inner side of the gear ring, the coating cabin is fixedly connected to the waste cabin, and the bottom of the coating cabin is slidably connected to a filter screen.

[0016] As a further solution of the present invention: it also includes a paint supply mechanism, which is arranged on one side outside the waste bin and is used to transport liquid paint and reduce interference during the coating process.

[0017] As a further solution of the present invention: the paint supply mechanism includes a paint box, and the paint box is fixedly connected to one side of the outside of the waste tank;

[0018] A liquid pump, wherein the liquid pump is fixedly connected to one side of the outside of the paint box, one end of the liquid pump is fixedly connected to a suction pipe, and the other end of the liquid pump is fixedly connected to a discharge pipe;

[0019] A connecting pipe, the connecting pipe is rotated on the surface of the discharge pipe away from the liquid pump, and one end of the connecting pipe is fixedly connected to a connecting ring, and the connecting ring is rotated on the surface of the discharge pipe;

[0020] A limiting ring, the limiting ring is fixed to the paint box and rotates on the surface of the connecting pipe;

[0021] A bearing, wherein the bearing is embedded in one side of the coating cabin;

[0022] The turning tube is fixedly connected to the other end of the connecting tube, and one end of the turning tube away from the connecting tube is fixedly connected to a telescopic tube, and at the same time, one end of the telescopic tube away from the connecting tube is fixedly connected to the electrostatic sprayer.

[0023] As a further solution of the present invention: the suction pipe is connected to the interior of the paint box, the discharge pipe, the connecting pipe, the turning pipe and the telescopic pipe are connected, the limiting ring is fitted with one side of the connecting ring, the side of the connecting pipe away from the connecting ring is fixed to the middle of the bearing, and the turning pipe and the telescopic pipe are both arranged inside the coating cabin.

[0024] As a further solution of the present invention: the centers of the bearing and the gear ring are in the same horizontal plane, and the lateral length of the turning tube is smaller than the radius of the gear ring.

[0025] Beneficial effects of the present invention:

[0026] (1) In the present invention, by setting the adjustment mechanism, the electrostatic sprayer can not only perform reciprocating coating along the X-axis, but also synchronously realize 360° circular rotation, so that the electrostatic sprayer can ensure uniform coverage of all angles of complex curved surface accessories, eliminate spraying blind spots, and improve movement stability, avoiding uneven coating thickness caused by yaw;

[0027] (2) The coating supply mechanism of the present invention enables the electrostatic sprayer to synchronously and stably deliver the coating during the coating process, and adapts to the multi-dimensional movement of the electrostatic sprayer through multi-stage telescopic and synchronous rotation, avoids the interference of pipeline rigidity, and ensures the freedom of movement and the continuity of feeding;

[0028] (3) In the present invention, the shielding component is set up, and the splash path is closed in real time as the electrostatic sprayer moves, thereby reducing paint leakage. The shielding component is detachable, so that the shielding component supports rapid disassembly and cleaning, thereby extending the service life of the equipment and maintaining the shielding effect at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The present invention will be further described below in conjunction with the accompanying drawings.

[0030] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0031] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0032] Figure 3 It is a cross-sectional structural schematic diagram of the present invention;

[0033] Figure 4It is a schematic diagram of component disassembly of the present invention;

[0034] Figure 5 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the present invention;

[0035] Figure 6 yes Figure 5 The enlarged view of point A in the middle;

[0036] Figure 7 It is a schematic diagram of the disassembly of the shielding component in the present invention;

[0037] Figure 8 yes Figure 7 The enlarged view of point B in the middle;

[0038] Fig. 9 It is a three-dimensional structural schematic diagram of the coating supply mechanism of the present invention;

[0039] Fig.10 It is a schematic diagram of the cross-sectional structure of the telescopic tube in the present invention.

[0040] In the figure: 1. coating cabin; 2. adjusting mechanism; 200. motor 1; 201. reciprocating screw; 202. moving block; 203. connecting frame; 204. transmission shaft; 205. gear; 206. motor 2; 207. gear ring; 208. limit column; 209. shielding assembly; 2091. arc shielding plate 1; 2092. arc shielding plate 2; 2093. sliding plate; 2094. bolt; 2095. sliding block; 3. positioning block; 4. filter; 5. paint supply mechanism; 6. waste cabin; 7. guide column; 8. support rod; 9. electrostatic sprayer; 500. paint box; 501. liquid pump; 502. discharge pipe; 503. suction pipe; 504. connecting pipe; 505. connecting ring; 506. limit ring; 507. bearing; 508. turning pipe; 509. telescopic pipe. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Embodiment 1

[0043] See also Figure 1-Figure 10 As shown, the present invention is an electrostatic coating device for automobile parts production, comprising a coating cabin 1, a positioning block 3 is fixedly connected to the coating cabin 1, and a reciprocating adjustment mechanism 2 is arranged inside the positioning block 3;

[0044] The adjusting mechanism 2 comprises a rotating gear ring 207, on the inner wall of which an electrostatic sprayer 9 is arranged. The gear ring 207 rotates, driving the electrostatic sprayer 9 to rotate, thereby achieving rotary spraying on the surface of the automobile.

[0045] In the present invention, preferably, the adjustment mechanism 2 further includes a reciprocating screw 201 driven by the output end of the motor 1 200, and a moving block 202 is threadedly connected to the surface of the reciprocating screw 201;

[0046] A connecting frame 203, the connecting frame 203 is fixedly connected to the bottom of the moving block 202, a second motor 206 is fixedly connected to one side of the connecting frame 203, and a transmission shaft 204 is fixedly connected to the output end of the second motor 206, and a gear 205 is fixedly connected to the middle of the transmission shaft 204, and the gear 205 is meshed and connected to the gear ring 207;

[0047] The limiting posts 208 are provided in two groups and are both provided in arc grooves opened on both sides of the gear ring 207 . One side of the limiting posts 208 is fixed to the connecting frame 203 .

[0048] It should be noted that the connecting frame 203, the second motor 206, the transmission shaft 204, and the gear 205 are arranged in a slide groove opened on the coating cabin 1, and the gear ring 207 is provided with teeth and meshes and rotates with the gear 205 through the teeth, and the gear ring 207 is hollow.

[0049] In the present invention, preferably, the moving block 202 slides through the sliding groove opened in the positioning block 3, the motor 200 is fixed to one side of the outside of the positioning block 3, the reciprocating screw 201 moves in the middle of the positioning block 3, the electrostatic sprayer 9 is fixedly installed on the inner side of the gear ring 207, the transmission shaft 204 moves in the middle of the connecting frame 203, and the limiting column 208 slides in the arc groove opened in the gear ring 207.

[0050] It should be noted that the electrostatic sprayer 9 is of prior art and is electrically connected and remotely controlled by controlling a wireless signal (not shown). The electrostatic sprayer 9 is tilted and the spray port is aligned with the center of the gear ring 207 .

[0051] In the present invention, preferably, the adjustment mechanism 2 further includes two groups of shielding components 209, and the two groups of shielding components 209 are arranged on both sides of the gear ring 207, and the two groups of shielding components 209 are used to shield and protect the electrostatic sprayer 9 during spraying.

[0052] In the present invention, preferably, the shielding assembly 209 includes a second arc shielding plate 2092, and both sides of one end of the second arc shielding plate 2092 are provided with a slide groove and a sliding block 2095 is slidably connected in the slide groove, and the side of the sliding block 2095 away from the slide groove is fixedly connected to the first arc shielding plate 2091;

[0053] The sliding plate 2093 is provided with two groups and is respectively fixed to the inner side of the arc-shaped shielding plate 1 2091 and the arc-shaped shielding plate 2 2092 . The sliding plate 2093 is threadedly connected with a bolt 2094 . The sliding plate 2093 slides through a sliding groove opened on the inner side of the gear ring 207 .

[0054] It should be noted that the arc-shaped shielding plate 1 2091 and the arc-shaped shielding plate 2092 are both semi-arc-shaped, and the arc-shaped shielding plate 1 2091 and the arc-shaped shielding plate 2092 are pieced together to form a complete arc. The diameter of the hexagonal screw head on one side of the bolt 2094 is larger than the diameter of the connecting groove between the inner side of the gear ring 207 and the sliding groove of the sliding plate 2093, so that the sliding plate 2093 can be firmly pressed on the inner side of the gear ring 207 by the bolt 2094.

[0055] In the present invention, preferably, a guide column 7 is fixedly installed in a slide groove opened on one side of the coating cabin 1, and multiple groups of support rods 8 are slid on the surface of the guide column 7. At the same time, the support rods 8 slide through the slide groove opened on one side of the coating cabin 1. The support rods 8 are arranged on the inner side of the gear ring 207. The coating cabin 1 is fixedly connected to the waste cabin 6, and the bottom of the coating cabin 1 is slidably connected to the filter screen 4.

[0056] It should be noted that both ends of one side of the coating cabin 1 are provided with sliding doors that can move on the X-axis for easy closing during spraying to prevent paint splashing. A through groove is provided at the connection between the coating cabin 1 and the waste cabin 6 to facilitate excess liquid paint to pass through the filter screen 4 into the waste cabin 6. The sliding setting of the support rod 8 makes it easier to adjust the spacing between multiple groups of support rods 8.

[0057] During the coating process, the automobile parts to be sprayed are placed on the support rod 8, and the doors on both sides of the coating cabin 1 are closed;

[0058] A motor 200 is provided, and the output end of the motor 200 drives the reciprocating screw 201 to rotate along the middle part of the positioning block 3. The rotation of the reciprocating screw 201 causes the moving block 202 to reciprocate along the slide groove provided by the reciprocating screw 201 and the positioning block 3 through the limit of the positioning block 3. The moving block 202 drives the connecting frame 203, the motor 206, the transmission shaft 204, the gear 205, the limiting column 208, and the shielding component 209 to reciprocate along the direction of the reciprocating screw 201. The gear ring 207 drives the electrostatic sprayer 9 to reciprocate and thus reciprocately sprays the automobile parts on the support rod 8, thereby improving the efficiency and effect of the automobile parts coating.

[0059] A second motor 206 is provided, the output end of the second motor 206 drives the transmission shaft 204 to rotate along the middle part of the connecting frame 203, the transmission shaft 204 drives the gear 205 to rotate, the gear 205 drives the gear ring 207 to rotate, the gear ring 207 rotates along the limiting column 208, the inner side of the gear ring 207 drives the electrostatic sprayer 9 to rotate, the electrostatic sprayer 9 follows the gear ring 207 to rotate 360° and then sprays the automobile parts on the support rod 8 360°, so that the electrostatic sprayer 9 can reciprocate 360° along the X axis to spray the automobile parts on the support rod 8 during spraying, so that the spraying coverage of the automobile parts is more comprehensive and the spraying effect of the automobile parts is improved;

[0060] The arc-shaped shielding plate 1 2091 and the arc-shaped shielding plate 2092 can shield when the electrostatic sprayer 9 is spraying to prevent the paint from spraying out and causing pollution. Turn the bolt 2094, the bolt 2094 rotates along the sliding plate 2093 and is taken out, pull the arc-shaped shielding plate 1 2091, the arc-shaped shielding plate 1 2091 with the sliding block 2095 is slid out along the slide groove opened by the arc-shaped shielding plate 2092 for separation and cleaning.

[0061] Embodiment 2

[0062] In the present invention, preferably, a coating supply mechanism 5 is further included. The coating supply mechanism 5 is arranged on one side outside the waste bin 6. The coating supply mechanism 5 is used to transport liquid coating and reduce interference during the coating process.

[0063] In the present invention, preferably, the paint supply mechanism 5 includes a paint box 500, and the paint box 500 is fixed to one side of the outside of the waste tank 6;

[0064] A liquid pump 501, the liquid pump 501 is fixedly connected to one side of the outside of the paint box 500, one end of the liquid pump 501 is fixedly connected to a suction pipe 503, and the other end of the liquid pump 501 is fixedly connected to a discharge pipe 502;

[0065] A connecting pipe 504, the connecting pipe 504 rotates on the surface of the discharge pipe 502 away from the liquid pump 501, and one end of the connecting pipe 504 is fixedly connected to a connecting ring 505, and the connecting ring 505 rotates on the surface of the discharge pipe 502;

[0066] A limiting ring 506, which is fixed to the paint box 500 and rotates on the surface of the connecting pipe 504;

[0067] Bearing 507, bearing 507 is embedded in one side of the coating cabin 1;

[0068] The turning tube 508 is fixedly connected to the other end of the connecting tube 504 , and the end of the turning tube 508 away from the connecting tube 504 is fixedly connected to the telescopic tube 509 , and the end of the telescopic tube 509 away from the connecting tube 504 is fixedly connected to the electrostatic sprayer 9 .

[0069] It should be noted that if Fig.10 As shown: the arrangement of the slider and the slide groove inside the telescopic tube 509 enables the telescopic tube 509 to achieve the effect of multi-stage telescopic and synchronous rotation;

[0070] The suction pipe 503, the discharge pipe 502, the connecting pipe 504, the turning pipe 508, and the telescopic pipe 509 are all made of stainless steel hard pipe materials;

[0071] The paint box 500 is provided with a feeding trough to facilitate the feeding operation of the liquid paint.

[0072] In the present invention, preferably, the suction pipe 503 is communicated with the interior of the paint box 500, the discharge pipe 502, the connecting pipe 504, the turning pipe 508, and the telescopic tube 509 are connected, the limiting ring 506 is fitted with one side of the connecting ring 505, the side of the connecting pipe 504 away from the connecting ring 505 is fixed to the middle of the bearing 507, and the turning pipe 508 and the telescopic tube 509 are both arranged inside the coating cabin 1.

[0073] It should be noted that both the limiting ring 506 and the connecting ring 505 are hollow, and the hollow core of the connecting ring 505 is larger than the hollow core of the limiting ring 506, so that the limiting ring 506 can block the connecting ring 505 to prevent the connecting ring 505 from falling off when it rotates on the surface of the discharge pipe 502 through the connecting pipe 504.

[0074] In the present invention, preferably, the centers of the bearing 507 and the gear ring 207 are in the same horizontal plane, and the lateral length of the turning tube 508 is smaller than the radius of the gear ring 207 .

[0075] It should be noted that the center of the bearing 507 and the gear ring 207 are in the same horizontal plane, so that when the connecting tube 504 with the turning tube 508 and the telescopic tube 509 rotates along the bearing 507, it is horizontal with the center of the gear ring 207 and rotates synchronously.

[0076] During the implementation process, the liquid pump 501 is started, and the liquid pump 501 sucks the liquid paint inside the paint box 500 into the discharge pipe 502 through the suction pipe 503, and transmits it to the electrostatic sprayer 9 through the connecting pipe 504, the turning pipe 508, and the telescopic pipe 509, and finally sprays it out by the electrostatic sprayer 9 for spraying. When the gear ring 207 rotates with the electrostatic sprayer 9, the electrostatic sprayer 9 rotates along the center of the bearing 507 and the surface of the discharge pipe 502 with the telescopic pipe 509, the turning pipe 508, and the connecting pipe 504. When the telescopic pipe 509 follows the electrostatic sprayer 9 to move along the X-axis, the telescopic pipe 509 is extended and shortened accordingly through the internal slider and the slide groove, so that the automobile parts will not be entangled and interfered by the pipe when spraying inside.

[0077] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An electrostatic coating device for automobile parts production, characterized in that: It comprises a coating cabin (1), a positioning block (3) is fixedly connected to the coating cabin (1), and a reciprocating adjustment mechanism (2) is arranged inside the positioning block (3); The adjustment mechanism (2) comprises a rotating gear ring (207), an electrostatic sprayer (9) is arranged on the inner wall of the gear ring (207), and the gear ring (207) rotates to drive the electrostatic sprayer (9) to rotate, thereby realizing rotational spraying on the surface of the automobile.

2. The electrostatic coating device for automobile parts production according to claim 1 is characterized in that: The adjusting mechanism (2) further comprises a reciprocating screw (201) driven by the output end of the motor 1 (200), and a moving block (202) is threadedly connected to the surface of the reciprocating screw (201); A connecting frame (203), the connecting frame (203) is fixedly connected to the bottom of the moving block (202), a second motor (206) is fixedly connected to one side of the connecting frame (203), and the output end of the second motor (206) is fixedly connected to a transmission shaft (204), and a gear (205) is fixedly connected to the middle of the transmission shaft (204), and the gear (205) is meshedly connected to a gear ring (207); The limiting columns (208) are provided in two groups and are both arranged in arc grooves opened on both sides of the gear ring (207); one side of the limiting columns (208) is fixedly connected to the connecting frame (203).

3. The electrostatic coating device for automobile parts production according to claim 2 is characterized in that: The moving block (202) slides through a sliding groove provided in the positioning block (3); the motor (200) is fixedly connected to one side of the outside of the positioning block (3); the reciprocating screw (201) moves in the middle of the positioning block (3); an electrostatic sprayer (9) is fixedly installed on the inner side of the gear ring (207); the transmission shaft (204) moves in the middle of the connecting frame (203); and the limiting column (208) slides in an arc groove provided in the gear ring (207).

4. The electrostatic coating device for automobile parts production according to claim 1 is characterized in that: The regulating mechanism (2) further comprises two groups of shielding components (209), and the two groups of shielding components (209) are both arranged on both sides of the gear ring (207), and the two groups of shielding components (209) are used to shield and protect the electrostatic sprayer (9) during spraying.

5. The electrostatic coating device for automobile parts production according to claim 4 is characterized in that: The shielding assembly (209) comprises a second arc-shaped shielding plate (2092), wherein both sides of one end of the second arc-shaped shielding plate (2092) are provided with sliding grooves, and a sliding block (2095) is slidably connected in the sliding groove, and a side of the sliding block (2095) away from the sliding groove is fixedly connected to the first arc-shaped shielding plate (2091); The sliding plate (2093) is provided with two groups and is respectively fixed to the inner side of the arc-shaped shielding plate 1 (2091) and the arc-shaped shielding plate 2 (2092). The sliding plate (2093) is threadedly connected with a bolt (2094). The sliding plate (2093) slides through a sliding groove opened on the inner side of the gear ring (207).

6. The electrostatic coating device for automobile parts production according to claim 1 is characterized in that: A guide column (7) is fixedly installed in a slide groove opened on one side of the coating chamber (1), and a plurality of support rods (8) are slidably arranged on the surface of the guide column (7). At the same time, the support rods (8) slide through the slide groove opened on one side of the coating chamber (1). The support rods (8) are arranged on the inner side of the gear ring (207). The coating chamber (1) is fixedly connected to the waste chamber (6), and a filter screen (4) is slidably connected to the bottom of the coating chamber (1).

7. The electrostatic coating device for automobile parts production according to claim 6 is characterized in that: It also comprises a coating supply mechanism (5), which is arranged on one side outside the waste tank (6) and is used for conveying liquid coating and reducing interference in the coating process.

8. The electrostatic coating device for automobile parts production according to claim 7 is characterized in that: The paint supply mechanism (5) comprises a paint box (500), and the paint box (500) is fixed to one side of the outside of the waste tank (6); A liquid pump (501), wherein the liquid pump (501) is fixedly connected to one side of the outside of the paint box (500), one end of the liquid pump (501) is fixedly connected to a suction pipe (503), and the other end of the liquid pump (501) is fixedly connected to a discharge pipe (502); A connecting pipe (504), wherein the connecting pipe (504) rotates on the surface of the discharge pipe (502) away from the liquid pump (501), and one end of the connecting pipe (504) is fixedly connected to a connecting ring (505), and the connecting ring (505) rotates on the surface of the discharge pipe (502); A limiting ring (506), wherein the limiting ring (506) is fixedly connected to the paint box (500), and the limiting ring (506) rotates on the surface of the connecting pipe (504); A bearing (507), wherein the bearing (507) is embedded in one side of the coating cabin (1); The turning tube (508) is fixedly connected to the other end of the connecting tube (504), and the end of the turning tube (508) away from the connecting tube (504) is fixedly connected to a telescopic tube (509), and the end of the telescopic tube (509) away from the connecting tube (504) is fixedly connected to the electrostatic sprayer (9).

9. The electrostatic coating device for automobile parts production according to claim 8, characterized in that: The suction pipe (503) is communicated with the interior of the coating box (500), and the discharge pipe (502), the connecting pipe (504), the turning pipe (508), and the telescopic pipe (509) are connected. The limiting ring (506) is fitted with one side of the connecting ring (505), and the side of the connecting pipe (504) away from the connecting ring (505) is fixed to the middle of the bearing (507), and the turning pipe (508) and the telescopic pipe (509) are both arranged inside the coating cabin (1).

10. The electrostatic coating device for automobile parts production according to claim 8, characterized in that: The centers of the bearing (507) and the gear ring (207) are located in the same horizontal plane, and the transverse length of the turning tube (508) is smaller than the radius of the gear ring (207).

Images