Paint spraying tool frame for automobile fairing

Abstract

The invention relates to the technical field of fairing polishing and paint spraying, in particular to an automobile fairing paint spraying tool frame which comprises a main body plate, a polishing and paint spraying mechanism for polishing a fairing and spraying paint is arranged at the upper end of the main body plate, and the polishing and paint spraying mechanism comprises two first limiting grooves symmetrically formed in the upper end of the main body plate; a second limiting groove is formed in the lower end of the first fixing body, a second limiting body is slidably arranged in the second limiting groove, a second fixing body is fixedly connected to the transmission shaft end of the second motor, a second electric telescopic rod is fixedly connected to the lower end of the second fixing body, and a moving mechanism for movably clamping the flow guide cover is arranged at the upper end of the main body plate. The expansion degree of the polishing air bags is controlled through the numerical value of the first pressure sensor, so that the different polishing air bags are tightly attached to the surface of the flow guide cover, and the surface of the flow guide cover is polished under the driving of a third motor.

Description

Technical Field

[0001] The invention relates to the technical field of polishing and painting of air deflectors, and in particular to a painting tooling frame for automobile air deflectors. Background Art

[0002] A car air deflector is a device installed at the rear or roof of a car. Its main purpose is to improve the aerodynamic performance of the car by changing the way the air flows. Car air deflectors include integral air deflectors and combined air deflectors. For some larger vehicles, since the air deflectors are larger and are generally made of metal, they need to be cast in sections during production. The air deflector monomer generally includes a flat structure monomer at both ends and an arched curved structure monomer in the middle. The air deflector monomer is assembled and fixed after being polished and painted, thereby reducing production costs while ensuring the performance of the air deflector.

[0003] After the existing air deflector monomer is cast and formed, the surface of the air deflector is prone to rust. For the air deflector monomer with an arched curved surface in the middle section, it is generally polished by workers before painting. The polishing cannot ensure that the surface of the arched air deflector is completely polished and smooth. Due to the different curved surfaces of the arched air deflector surface, the unit surface area at different positions of the air deflector surface is different. The moving speed and nozzle shooting speed when painting the arched air deflector surface are the same, resulting in different paint layers in different areas of the air deflector surface, reducing the streamline curvature of the air deflector surface and reducing the performance of the air deflector. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a painting tool rack for an automobile air deflector.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a kind of automobile air deflector painting tool frame, including a main body plate, the upper end of the main body plate is provided with a grinding and painting mechanism for grinding and spraying paint on the air deflector, the grinding and painting mechanism includes two first limiting grooves symmetrically opened on the upper end of the main body plate, two groups of first limiting bodies are slidably arranged in the two first limiting grooves, each group of the first limiting bodies is composed of two symmetrically arranged first limiting bodies, the upper ends of the two groups of the first limiting bodies are respectively fixedly connected with first electric telescopic rods, the telescopic ends of the two first electric telescopic rods are respectively fixedly connected with the first fixed body and the adjustable spraying mechanism, the lower end of the first fixed body is provided with a second limiting groove, the second limiting groove is slidably provided with a second limiting body, the lower end of the second limiting body is provided with a first empty groove, the first empty groove is fixedly connected with a second motor, the transmission shaft end of the second motor is fixedly connected with the second fixed body, the lower end of the second fixed body is fixedly connected with the second electric telescopic rod, and the upper end of the main body plate is provided with a moving mechanism for moving and clamping the air deflector.

[0006] Preferably, the telescopic end of the second electric telescopic rod is fixedly connected to the third motor, the transmission shaft end of the third motor is fixedly connected to the third fixed body, the lower end of the third fixed body is provided with a second annular empty groove, the third fixed body is provided with four through holes distributed at equal angles in the area inside the second empty groove, and the third fixed body is provided with a third empty groove above the through hole.

[0007] Preferably, polishing airbags are fixedly connected in the four through holes respectively, a control valve is provided at the upper ends of the four polishing airbags, a first air pump is provided in the third empty groove, the air outlet end of the first air pump is connected to the outside through an air pipe, the lower ends of the four polishing airbags are fixedly connected with a first pressure sensor respectively, a first placement groove is provided at the lower end of the third fixed body, and a first flexible ring is fixedly connected in the first placement groove.

[0008] Preferably, the side surfaces of the main body plate are respectively fixedly provided with first motors at positions close to the first limiting grooves, the transmission shaft ends of the two first motors are respectively fixedly connected with first threaded rods, the two first threaded rods are threadedly matched with the first limiting body, the side surfaces of the first fixed body are fixedly connected with a fourth motor, the transmission shaft end of the fourth motor is fixedly connected with a second threaded rod, the second threaded rod is threadedly matched with the second limiting body, the side surfaces of the second fixed body are fixedly connected with a first limiting plate, and the ends of the first limiting plate are respectively in contact with the second limiting body.

[0009] Preferably, the adjustable spraying mechanism includes a fourth fixed body fixedly connected to a group of the first electric telescopic rods, a third limiting groove is opened at the lower end of the fourth fixed body, a third limiting body is slidably arranged in the third limiting groove, a fourth empty groove is opened at the lower end of the third limiting body, a sixth motor is fixedly connected in the fourth empty groove, a fifth fixed body is fixedly connected to the transmission shaft end of the sixth motor, and the lower end of the fifth fixed body is fixedly connected to the third electric telescopic rod.

[0010] Preferably, the telescopic end of the third electric telescopic rod is fixedly connected to a spray gun, the upper end of the spray gun is connected to the feed pipe, the side of the spray gun is fixedly connected to a protective shell near the lower end, the side of the fourth fixed body is fixedly connected to a fifth motor, the transmission shaft end of the fifth motor is fixedly connected to a third threaded rod, the side of the third threaded rod is threadedly matched with the third limiting body, the side of the fifth fixed body is fixedly connected to a second limiting plate, and the end of the second limiting plate is in contact with the fourth fixed body.

[0011] Preferably, the moving mechanism includes a fourth limiting groove opened at the upper end of the main body plate, a fourth limiting body is slidably arranged in the fourth limiting groove, a fourth electric telescopic rod is fixedly connected to the upper end of the fourth limiting body, a telescopic end of the fourth electric telescopic rod is fixedly connected to a fixed shell, a support plate is fixedly connected to the inner side of the fixed shell, a second air pump is fixedly connected to the inside of the support plate, and a plurality of air holes are opened at the lower end of the fixed shell.

[0012] Preferably, a seventh motor is fixedly connected to the side of the main body plate, a fourth threaded rod is fixedly connected to the transmission shaft end of the seventh motor, the side of the fourth threaded rod is threadedly matched with the fourth limiting body, an annular second placement groove is provided at the upper end of the fixed shell, a plurality of second pressure sensors are fixedly connected in the second placement groove, the upper ends of the plurality of second pressure sensors are respectively fixedly connected to springs, and the upper ends of the plurality of springs are fixedly connected to second flexible rings.

[0013] Preferably, two symmetrically arranged cavities are provided at the upper end of the main body plate, fixing rods are respectively fixed in the two cavities, torsion rings are respectively provided on the sides of the two fixing rods through torsion springs, and protective pads are respectively fixedly connected to the sides of the two torsion rings, and a guide groove is provided on the main body plate at a position close to the fourth limiting groove, and the two protective pads pass through the guide groove, and the other ends of the two protective pads are respectively fixedly connected to the sides of the fourth limiting body.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The fourth motor drives the second limiting body to move back and forth along the second limiting groove through the cooperation of the second threaded rod. While moving, the second electric telescopic rod extends, and the third motor drives the third fixed body to rotate. At the same time, the first air pump is started, and the first air pump drives the grinding airbag to inflate. The expansion degree of the grinding airbag is controlled by the value of the first pressure sensor, so that different grinding airbags are closely attached to the surface of the air deflector. The surface of the air deflector is polished under the drive of the third motor. At the same time, the second motor is started according to the value of the first pressure sensor, so that the third fixed body is kept at an angle perpendicular to the surface of the air deflector, so as to ensure that the surface of the air deflector can be completely polished; 2. Start the fifth motor, the third motor drives the third threaded rod to rotate, and the third threaded rod cooperates to drive the third limit body to move along the third limit groove. At the same time, start the spray gun to spray paint on the surface of the air duct. When spraying paint, the rotation speed of the fifth motor is controlled according to the unit surface area of ​​the paint spraying area, so that the amount of paint sprayed can be controlled according to the unit surface area of ​​the air duct surface, so that the paint thickness in different areas is consistent, and the smoothness of the surface area of ​​the air duct after spraying is improved. In the process of the seventh motor driving the fourth limit body to move, the protective pad on the side of the fourth limit body can cover the fourth limit groove to prevent paint from adhering to the side of the fourth threaded rod, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 The present invention is a sectional view of the whole Figure 1 ; Figure 3 The present invention is a sectional view of the whole Figure 2 ; Figure 4 For the present invention Figure 2 A magnified image of point A; Figure 5 For the present invention Figure 2 A magnified view of point B; Figure 6 For the present invention Figure 2 Enlarged view of point C; Figure 7 For the present invention Figure 2 The enlarged view of point D; Figure 8 For the present invention Figure 3 Enlarged view of point E.

[0016] 1. Main body plate; 2. Polishing and painting mechanism; 3. Moving mechanism; 21. First motor; 22. First limiting groove; 23. First limiting body; 24. First fixed body; 25. First threaded rod; 26. Adjustable spraying mechanism; 27. First electric telescopic rod; 28. Second threaded rod; 29. ​​Second limiting groove; 210. Second limiting body; 211. First empty groove; 212. Second fixed body; 213. First limiting plate; 214. Second motor; 215. Second electric telescopic rod; 216. Third motor; 217. Third fixed body; 218. Second empty groove; 219. First placement groove; 220. First flexible ring; 222. Polishing airbag; 223. Third empty groove; 224. Control valve; 225. Through hole; 226. First air pump; 227. Fourth motor; 228. First pressure sensor; 261, fifth motor; 262, fourth fixed body; 263, third threaded rod; 264, third limiting groove; 265, third limiting body; 266, fourth empty groove; 267, sixth motor; 268, fifth fixed body; 269, second limiting plate; 2610, third electric telescopic rod; 2611, spray gun; 2612, protective shell; 31, fourth limiting groove; 32, fourth threaded rod; 33, fourth limiting body; 34, fourth electric telescopic rod; 35, seventh motor; 36, protective pad; 37, fixed shell; 38, second placement groove; 39, spring; 310, second flexible ring; 311, support plate; 312, second air pump; 313, second pressure sensor; 314, air hole; 315, cavity; 316, torsion ring; 317, fixed rod; 318, guide groove. DETAILED DESCRIPTION

[0017] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0018] See also Figure 1-Figure 8 A painting fixture for an automobile air deflector comprises a main body plate 1, and a grinding and painting mechanism 2 for grinding and spraying paint on the air deflector is arranged on the upper end of the main body plate 1.

[0019] In this embodiment, the polishing and painting mechanism 2 includes two first limiting grooves 22 symmetrically opened at the upper end of the main body plate 1, and two groups of first limiting bodies 23 are slidably arranged in the two first limiting grooves 22 respectively. Each group of the first limiting bodies 23 is composed of two symmetrically arranged first limiting bodies 23, and the upper ends of the two groups of the first limiting bodies 23 are respectively fixedly connected with the first electric telescopic rods 27, and the telescopic ends of the two first electric telescopic rods 27 are respectively fixedly connected with the first fixed body 24 and the adjustable spraying mechanism 26, and the lower end of the first fixed body 24 is provided with a second limiting groove 29, and the second limiting body 210 is slidably arranged in the second limiting groove 29, and the lower end of the second limiting body 210 is provided with a first empty groove 211, and the second motor 214 is fixedly connected in the first empty groove 211, and the transmission shaft end of the second motor 214 is fixedly connected with the second fixed body 212, and the lower end of the second fixed body 212 is fixedly connected with the second electric telescopic rod 215.

[0020] The telescopic end of the second electric telescopic rod 215 is fixedly connected to the third motor 216, and the transmission shaft end of the third motor 216 is fixedly connected to the third fixed body 217. The lower end of the third fixed body 217 is provided with a second annular slot 218, and the third fixed body 217 is provided with four through holes 225 distributed at equal angles in the area inside the second slot 218. The third fixed body 217 is provided with a third slot 223 above the through hole 225.

[0021] The four through holes 225 are respectively fixedly connected with polishing airbags 222, the upper ends of the four polishing airbags 222 are connected to each other with a control valve 224, the third empty groove 223 is provided with a first air pump 226, the air outlet end of the first air pump 226 is connected to the outside through an air pipe, the lower ends of the four polishing airbags 222 are respectively fixedly connected with a first pressure sensor 228, the lower end of the third fixed body 217 is provided with a first placement groove 219, and the first flexible ring 220 is fixedly connected to the first placement groove 219.

[0022] The side surfaces of the main body plate 1 are respectively fixedly provided with first motors 21 at positions close to the first limiting grooves 22, and the transmission shaft ends of the two first motors 21 are respectively fixedly connected with first threaded rods 25, and the two first threaded rods 25 are threadedly matched with the first limiting body 23, and the side surfaces of the first fixed body 24 are fixedly connected with a fourth motor 227, and the transmission shaft end of the fourth motor 227 is fixedly connected with a second threaded rod 28, and the second threaded rod 28 is threadedly matched with the second limiting body 210, and the side surfaces of the second fixed body 212 are fixedly connected with a first limiting plate 213, and the ends of the first limiting plate 213 are respectively in contact with the second limiting body 210.

[0023] The adjustable spraying mechanism 26 includes a fourth fixed body 262 fixedly connected to a group of the first electric telescopic rods 27, a third limiting groove 264 is provided at the lower end of the fourth fixed body 262, a third limiting body 265 is slidably arranged in the third limiting groove 264, a fourth empty groove 266 is provided at the lower end of the third limiting body 265, a sixth motor 267 is fixedly connected in the fourth empty groove 266, a fifth fixed body 268 is fixedly connected to the transmission shaft end of the sixth motor 267, and the lower end of the fifth fixed body 268 is fixedly connected to the third electric telescopic rod 2610.

[0024] The telescopic end of the third electric telescopic rod 2610 is fixedly connected to a spray gun 2611, the upper end of the spray gun 2611 is connected to the feed pipe, the side of the spray gun 2611 is fixedly connected to a protective shell 2612 near the lower end, the side of the fourth fixed body 262 is fixedly connected to the fifth motor 261, the transmission shaft end of the fifth motor 261 is fixedly connected to the third threaded rod 263, the side of the third threaded rod 263 is arranged with the third limiting body 265 by threaded cooperation, the side of the fifth fixed body 268 is fixedly connected to the second limiting plate 269, and the end of the second limiting plate 269 is in contact with the fourth fixed body 262.

[0025] Specifically, the second electric telescopic rod 215 is extended, the third motor 216 drives the third fixed body 217 to rotate, and the first air pump 226 is started at the same time. The first air pump 226 drives the polishing airbag 222 to inflate, and the expansion degree of the polishing airbag 222 is controlled by the numerical value of the first pressure sensor 228, so that different polishing airbags 222 are tightly fitted to the surface of the air duct, and the surface of the air duct is polished under the drive of the third motor 216. At the same time, the second motor 214 is started according to the numerical value of the first pressure sensor 228, so that the third fixed body 217 is maintained at an angle at which the end is perpendicular to the surface of the air duct, to ensure that the surface of the air duct can be completely polished.

[0026] In this embodiment, a moving mechanism 3 for moving and clamping the air deflector is disposed at the upper end of the main body plate 1 .

[0027] The moving mechanism 3 includes a fourth limiting groove 31 opened at the upper end of the main plate 1, a fourth limiting body 33 is slidably arranged in the fourth limiting groove 31, a fourth electric telescopic rod 34 is fixedly connected to the upper end of the fourth limiting body 33, a telescopic end of the fourth electric telescopic rod 34 is fixedly connected to a fixed shell 37, a support plate 311 is fixedly connected to the inner side of the fixed shell 37, a second air pump 312 is fixedly connected to the inside of the support plate 311, and a plurality of air holes 314 are opened at the lower end of the fixed shell 37.

[0028] A seventh motor 35 is fixedly connected to the side of the main plate 1, a fourth threaded rod 32 is fixedly connected to the transmission shaft end of the seventh motor 35, a side of the fourth threaded rod 32 is threadedly matched with a fourth limiting body 33, an annular second placement groove 38 is provided at the upper end of the fixed shell 37, a plurality of second pressure sensors 313 are fixedly connected in the second placement groove 38, a plurality of second pressure sensors 313 are respectively fixedly connected to the upper ends of springs 39, and a plurality of second flexible rings 310 are fixedly connected to the upper ends of the springs 39.

[0029] The upper end of the main body plate 1 is provided with two symmetrically arranged cavities 315, and fixing rods 317 are respectively fixedly arranged in the two cavities 315. The sides of the two fixing rods 317 are respectively provided with torsion rings 316 through torsion springs, and the sides of the two torsion rings 316 are respectively fixedly connected with protective pads 36. The main body plate 1 is provided with a guide groove 318 at a position close to the fourth limiting groove 31, and the two protective pads 36 pass through the guide groove 318. The other ends of the two protective pads 36 are respectively fixedly connected to the sides of the fourth limiting body 33.

[0030] Specifically, the second air pump 312 is started, and the second air pump 312 reduces the pressure in the area behind the support plate 311 and the air deflector, thereby firmly fixing the air deflector. The values ​​of several second pressure sensors 313 can be used to detect the fit between the air deflector and the second flexible ring 310 to prevent the air deflector from falling.

[0031] When in use, the main body plate 1 is placed on a horizontal plane, and then the lower end of the air deflector with the arc surface in the middle section is placed on the upper end of the fixed shell 37, and then the second air pump 312 is started. The second air pump 312 reduces the pressure in the area behind the support plate 311 and the air deflector, thereby firmly fixing the air deflector, and the value of several second pressure sensors 313 can be used to detect the fit between the air deflector and the second flexible ring 310 to prevent the air deflector from falling, and then the seventh motor 35 is started, and the cavity 315 drives the fourth threaded rod 32 to rotate, and the second air pump 312 cooperates to drive the fourth limiting body 33 to move along the fourth limiting groove 31, and then the air deflector moves to the bottom of the first fixed body 24, and then the fourth motor 227 is started, and the fourth motor 227 passes through the second threaded rod 28 cooperates to drive the second limiting body 210 to reciprocate along the second limiting groove 29. While moving, the second electric telescopic rod 215 extends, the third motor 216 drives the third fixed body 217 to rotate, and at the same time, the first air pump 226 is started. The first air pump 226 drives the polishing airbag 222 to inflate. The expansion degree of the polishing airbag 222 is controlled by the value of the first pressure sensor 228, so that different polishing airbags 222 are tightly fitted on the surface of the air duct. The surface of the air duct is polished under the drive of the third motor 216. At the same time, the second motor 214 is started according to the value of the first pressure sensor 228, so that the third fixed body 217 is kept at an angle perpendicular to the surface of the air duct, to ensure that the surface of the air duct can be completely polished.

[0032] When the grinding is completed, the controller can record the rotation record of the second motor 214, and the curvature of the surface of the air deflector can be measured by a plurality of first pressure sensors 228, so as to calculate the unit surface area of ​​each area of ​​the air deflector after grinding, and start the seventh motor 35 to move the air deflector to the bottom of the adjustable spraying mechanism 26, and then start the fifth motor 261, the third motor 216 drives the third threaded rod 263 to rotate, and the third threaded rod 263 cooperates to drive the third limiting body 265 to move along the third limiting groove 264, and at the same time, start the spray gun 261 1. Paint the surface of the air duct cover. When painting, the rotation speed of the fifth motor 261 is controlled according to the unit surface area of ​​the painting area, so that the amount of paint sprayed can be controlled according to the unit surface area of ​​the air duct cover surface, so that the paint thickness in different areas is consistent, and the smoothness of the surface area of ​​the air duct cover after spraying is improved. In the process of the seventh motor 35 driving the fourth limiting body 33 to move, the protective pad 36 on the side of the fourth limiting body 33 can cover the fourth limiting groove 31 to prevent paint from adhering to the side of the fourth threaded rod 32, thereby improving the stability of the device.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A painting fixture for a car air deflector, comprising a main body plate (1), characterized in that: The upper end of the main body plate (1) is provided with a grinding and painting mechanism (2) for grinding and painting the air deflector. The grinding and painting mechanism (2) comprises two first limiting grooves (22) symmetrically arranged at the upper end of the main body plate (1). Two groups of first limiting bodies (23) are slidably arranged in the two first limiting grooves (22). Each group of the first limiting bodies (23) is composed of two symmetrically arranged first limiting bodies (23). The upper ends of the two groups of the first limiting bodies (23) are respectively fixedly connected to first electric telescopic rods (27). The telescopic ends of the two first electric telescopic rods (27) are respectively fixedly connected to the first fixed body (24) and the movable body (25). The spraying mechanism (26) comprises a second limiting groove (29) at the lower end of the first fixed body (24), a second limiting body (210) being slidably arranged in the second limiting groove (29), a first empty groove (211) being arranged at the lower end of the second limiting body (210), a second motor (214) being fixedly connected in the first empty groove (211), a second fixed body (212) being fixedly connected at the transmission shaft end of the second motor (214), a second electric telescopic rod (215) being fixedly connected at the lower end of the second fixed body (212), and a moving mechanism (3) for moving and clamping the air deflector is arranged at the upper end of the main body plate (1).

2. The automobile air shroud painting fixture according to claim 1, characterized in that: The telescopic end of the second electric telescopic rod (215) is fixedly connected to a third motor (216), the transmission shaft end of the third motor (216) is fixedly connected to a third fixed body (217), a second annular hollow groove (218) is provided at the lower end of the third fixed body (217), four through holes (225) distributed at equal angles are provided in the area inside the second hollow groove (218), and a third hollow groove (223) is provided above the through hole (225) of the third fixed body (217).

3. The automobile air shroud painting fixture according to claim 2, characterized in that: A polishing airbag (222) is fixedly connected to each of the four through holes (225); a control valve (224) is provided at the upper ends of the four polishing airbags (222); a first air pump (226) is provided in the third empty groove (223); an air outlet of the first air pump (226) is communicated with the outside through an air pipe; a first pressure sensor (228) is fixedly connected to each of the lower ends of the four polishing airbags (222); a first placement groove (219) is provided at the lower end of the third fixed body (217); a first flexible ring (220) is fixedly connected to the first placement groove (219).

4. The automobile air shroud painting fixture according to claim 1, characterized in that: A first motor (21) is fixedly arranged on the side surface of the main body plate (1) at a position close to the first limiting groove (22); the transmission shaft ends of the two first motors (21) are fixedly connected to a first threaded rod (25), and the two first threaded rods (25) are arranged with the first limiting body (23) by threaded matching; a fourth motor (227) is fixedly connected to the side surface of the first fixed body (24); the transmission shaft end of the fourth motor (227) is fixedly connected to a second threaded rod (28), and the second threaded rod (28) is arranged with the second limiting body (210) by threaded matching; a first limiting plate (213) is fixedly connected to the side surface of the second fixed body (212), and the ends of the first limiting plate (213) are respectively in contact with the second limiting body (210).

5. The automobile air shroud painting fixture according to claim 1, characterized in that: The adjustable spraying mechanism (26) comprises a fourth fixed body (262) fixedly connected to a group of the first electric telescopic rods (27); a third limiting groove (264) is provided at the lower end of the fourth fixed body (262); a third limiting body (265) is slidably arranged in the third limiting groove (264); a fourth empty groove (266) is provided at the lower end of the third limiting body (265); a sixth motor (267) is fixedly connected in the fourth empty groove (266); a fifth fixed body (268) is fixedly connected to the transmission shaft end of the sixth motor (267); and a third electric telescopic rod (2610) is fixedly connected to the lower end of the fifth fixed body (268).

6. The automobile air shroud painting fixture according to claim 5, characterized in that: The telescopic end of the third electric telescopic rod (2610) is fixedly connected to a spray gun (2611), the upper end of the spray gun (2611) is connected to a feed pipe, the side of the spray gun (2611) is fixedly connected to a protective shell (2612) at a position close to the lower end, the side of the fourth fixed body (262) is fixedly connected to a fifth motor (261), the transmission shaft end of the fifth motor (261) is fixedly connected to a third threaded rod (263), the side of the third threaded rod (263) is threadedly matched with the third limiting body (265), the side of the fifth fixed body (268) is fixedly connected to a second limiting plate (269), and the end of the second limiting plate (269) is in contact with the fourth fixed body (262).

7. The automobile air shroud painting fixture according to claim 1, characterized in that: The moving mechanism (3) comprises a fourth limiting groove (31) provided at the upper end of the main body plate (1), a fourth limiting body (33) being slidably arranged in the fourth limiting groove (31), a fourth electric telescopic rod (34) being fixedly connected to the upper end of the fourth limiting body (33), a fixed shell (37) being fixedly connected to the telescopic end of the fourth electric telescopic rod (34), a support plate (311) being fixedly connected to the inner side of the fixed shell (37), a second air pump (312) being fixedly connected to the interior of the support plate (311), and a plurality of air holes (314) being provided at the lower end of the fixed shell (37).

8. The automobile air shroud painting fixture according to claim 7, characterized in that: A seventh motor (35) is fixedly connected to the side of the main body plate (1); a fourth threaded rod (32) is fixedly connected to the transmission shaft end of the seventh motor (35); a side of the fourth threaded rod (32) is threadedly matched with a fourth limiter (33); an annular second placement groove (38) is provided at the upper end of the fixed shell (37); a plurality of second pressure sensors (313) are fixedly connected in the second placement groove (38); springs (39) are respectively fixedly connected to the upper ends of the plurality of second pressure sensors (313); and a second flexible ring (310) is fixedly connected to the upper ends of the plurality of springs (39).

9. The automobile air shroud painting fixture according to claim 7, characterized in that: The upper end of the main body plate (1) is provided with two symmetrically arranged cavities (315), and fixing rods (317) are respectively fixedly arranged in the two cavities (315). The sides of the two fixing rods (317) are respectively provided with torsion rings (316) via torsion springs, and the sides of the two torsion rings (316) are respectively fixedly connected with protection pads (36). The main body plate (1) is provided with a guide groove (318) at a position close to the fourth limiting groove (31), and the two protection pads (36) penetrate the guide groove (318), and the other ends of the two protection pads (36) are respectively fixedly connected to the side of the fourth limiting body (33).

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