Alternating opposite-flushing type frame paint spraying system for motorcycle frame

Abstract

The invention relates to the technical field of frame paint spraying, and discloses an alternate opposite-flushing type frame paint spraying system for a motorcycle frame, which comprises a processing box, an input through hole is formed in the top end of the processing box, a paint output pipeline is fixedly mounted in the input through hole, and a connecting pipeline is rotatably connected to the bottom end of the paint output pipeline. A first motor is fixedly connected to the bottom end of the machining box, the output end of the first motor extends into the machining box and is fixedly connected with two mounting frames, and through cooperation of a fourth motor, a rotating shaft, an adjusting gear, an incomplete gear and a sector gear, the effect of small-amplitude swing at a rotating rod is achieved; and compared with the prior art that turning over and secondary spraying do not need to be carried out on the motorcycle frame, the motorcycle frame paint spraying device has the advantage that the motorcycle frame paint spraying efficiency is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of frame painting, and specifically to an alternating impact type frame painting system for a motorcycle frame. Background Art

[0002] A motorcycle is a two - or three - wheeled vehicle driven by a fuel power device or an electric power device and steered by a handlebar to turn the front wheel. It is light, flexible, and travels fast. It is widely used for patrol, passenger and cargo transportation, etc., and is also used as a sports equipment. A motorcycle belongs to a motor vehicle.

[0003] During the production process of a motorcycle, its frame also needs to be painted. Usually, the paint spraying nozzle is in a fixed state, and the workbench for placing the motorcycle frame can only rotate horizontally. Therefore, there is a problem that the frame cannot be fully covered with paint at one time, resulting in an increase in the painting workload. And after one - side painting is completed, the frame needs to be manually turned over for the second painting.

[0004] After retrieval, the invention patent with the Chinese patent publication number CN113634417A discloses an environment - friendly rotary painting device and painting method for motorcycle frame processing, including a device body. At the middle position of the bottom inner wall of the device body, an internal protection cover is fixedly installed. At the middle positions of both side walls of the device body inner wall, upper and lower handling shaft mechanisms are fixedly installed. A rotating mechanism is fixedly installed in the middle of the upper and lower handling shaft mechanisms. At the middle position of the top inner wall of the device body, a spraying mechanism is fixedly installed. This device reduces the painting workload of the motorcycle frame by horizontally moving the position of the nozzle. However, in actual use, due to the nozzle moving too fast or too slow, the paint surface coverage is not uniform enough, and then manual touch - up of the paint surface is required to complete the painting of the motorcycle frame. Therefore, an alternating impact type frame painting device for a motorcycle frame with uniform spraying is proposed.

[0005] After retrieval, the utility model with the Chinese patent publication number CN219985116U discloses a painting device for bicycle frame production, including a mounting plate. At the middle position of the upper end of the mounting plate, a clamping component is slidably installed. At both sides of the upper end of the mounting plate, sliders are slidably installed. At the upper end of the slider, an arc - shaped slide rail is fixedly installed, and arc - shaped chutes are opened on both sides of the arc - shaped slide rail. Although this device controls the spraying angle of the nozzle through the arc - shaped slide rail, in actual use, the frame still needs to be manually turned over, and then the frame needs to be painted twice, greatly reducing the painting production efficiency of the frame. Summary of the Invention

[0006] In view of the deficiencies of the prior art, the present invention provides an alternating impact type frame painting system for a motorcycle frame, which improves the uniformity of paint spraying on the paint surface by swinging slightly left and right during paint spraying.

[0007] To achieve the above object, the present invention provides the following technical solution: An alternating impact type frame painting system for a motorcycle frame, including a processing box, an input through hole is opened at the top end of the processing box, a paint output pipe is fixedly installed inside the input through hole, and the bottom end of the paint output pipe is rotatably connected to a connecting pipe; a first motor is fixedly connected to the bottom end of the processing box, and the output end of the first motor extends into the processing box and is fixedly connected to two mounting frames, and a frame fixing frame is fixedly installed between the two mounting frames.

[0008] A circular ring plate is rotatably connected to the bottom end inside the processing box, a circular ring block is fixedly connected to the top end of the circular ring plate, two support blocks are fixedly connected inside the circular ring block, the top ends of the two support blocks are respectively rotatably connected to a rotating rod, and a reciprocating swing mechanism is fixedly installed between the outer walls of the two rotating rods and the top end of the circular ring block respectively.

[0009] A circular ring rack is fixedly connected to the outer wall of the circular ring plate, a second motor is fixedly connected to the bottom end of the processing box, and the output end of the second motor extends into the processing box and is fixedly connected to a rotating gear, and the rotating gear meshes with the circular ring rack.

[0010] The top ends of the two rotating rods are respectively fixedly connected to an adjusting block, and a long strip paint spraying nozzle is fixedly installed at one end of one of the adjusting blocks.

[0011] An adjusting groove is opened at one end of the other adjusting block, and a diffusion paint spraying nozzle is installed inside the adjusting groove through an adjusting mechanism; conveying hoses are fixedly installed between the bottom end of the connecting pipe and the output ends of the diffusion paint spraying nozzle and the long strip paint spraying nozzle respectively.

[0012] Preferably, the reciprocating swing mechanism includes two support plates, one ends of the two support plates are respectively fixedly connected to the top end of the circular ring block, a support block is fixedly connected between the two support plates, a fourth motor is fixedly connected to the top end of the support block, two rotating shafts are respectively rotatably connected between the bottom end of the support block and the top end of the circular ring block, incomplete gears are fixedly installed on the outer walls of the two rotating shafts, adjusting gears are fixedly connected to the outer walls of the two rotating shafts, the two adjusting gears mesh with each other, the top end of one of the rotating shafts is fixedly connected to the output end of the fourth motor, a sector gear is fixedly connected to the outer wall of the rotating rod, and one end of the sector gear meshes with the incomplete gear.

[0013] Preferably, the adjusting mechanism includes a third motor. A motor slot is provided at the top of the adjusting slot. The top end inside the motor slot is fixedly connected to one end of the third motor. The output end of the third motor is fixedly connected to a rotating screw rod. The bottom end of the rotating screw rod is rotatably connected to the bottom end inside the adjusting slot. A rotating nut sleeve is screwed on the outer wall of the rotating screw rod. One end of the rotating nut sleeve is fixedly installed with one end of the diffusion paint spraying nozzle.

[0014] Preferably, the frame fixing mechanism includes two adjusting screw rods and two bidirectional screw rods. Adjusting through slots are respectively provided at one ends of the two frame fixing brackets. The bottom ends of the two adjusting screw rods are respectively rotatably connected to the bottom ends inside the two adjusting through slots. The top ends of the two adjusting screw rods both extend to the top of the frame fixing bracket. Adjusting nut sleeves are screwed on the outer walls of the two adjusting screw rods. One end of each of the two adjusting nut sleeves is fixedly installed with a sleeve fixing block and a frame clamping block respectively. Adjusting slots are respectively provided at one ends of the sleeve fixing block and the frame clamping block. One ends of the two bidirectional screw rods are respectively rotatably connected to one ends inside the two adjusting slots. The other ends of the two bidirectional screw rods respectively extend to the outside of the sleeve fixing block and the frame clamping block. Two moving nut sleeves are screwed on the outer walls of the two bidirectional screw rods. One ends of two of the moving nut sleeves are fixedly connected to sleeve insertion blocks respectively. One ends of the other two moving nut sleeves are fixedly connected to clamping arc plates respectively. Sponge layers are fixedly installed at one ends of the two clamping arc plates close to each other. The top ends of the two adjusting screw rods are fixedly connected to rotating handles respectively. One ends of the two bidirectional screw rods are fixedly installed with twisting handles respectively.

[0015] Preferably, the outer wall of the rotating nut sleeve is slidably connected to the inside of the adjusting slot.

[0016] Preferably, stabilizing struts are fixedly connected to the four corners at the bottom end of the processing box.

[0017] Preferably, switch doors are installed at both ends on the outer wall of the processing box. A door handle is fixedly installed at one end of the switch door.

[0018] Preferably, a plurality of observation windows are provided on the outer wall of the processing box. Tempered glass is installed inside the plurality of observation windows.

[0019] Compared with the prior art, the present invention provides an alternating impact type frame painting system for a motorcycle frame, having the following beneficial effects:

[0020] 1. The alternating impact type motorcycle frame painting system fixes the frame inside the frame fixing bracket through the frame fixing mechanism. After the first motor is powered on and started, it drives the frame to rotate its own position to control the painting surface, or cooperates with the movement of the diffusion paint spray head and the long strip paint spray head to control the coverage of the paint surface. Compared with the prior art, there is no need to manually swing the frame position for the second time.

[0021] 2. The alternating impact type motorcycle frame painting system drives the position of the circular ring plate to rotate through the cooperation of the second motor, the rotating gear and the circular ring rack, and controls the painting positions of the diffusion paint spray head and the long strip paint spray head. And through the cooperation of the fourth motor, the rotating shaft, the adjusting gear, the incomplete gear and the sector gear, it forms a small swing effect at the rotating rod, so as to complete the zigzag swing spraying of the paint spray head on the paint surface, further improving the uniformity of the frame spraying. Compared with the prior art, there is no need to turn over the frame and perform secondary spraying, further improving the efficiency of the motorcycle frame paint spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a front view structural schematic diagram of the present invention; Figure 2 is a front view sectional structural schematic diagram of the present invention; Figure 3 is a front view sectional structural schematic diagram of the present invention without the circular ring block; Figure 4 is a right view sectional structural schematic diagram of the present invention; Figure 5 is a right view sectional structural schematic diagram of the reciprocating swing mechanism of the present invention; Figure 6 For the present invention Figure 3 is a partial enlarged structural schematic diagram at A in; Figure 7 For the present invention Figure 5 is a partial enlarged structural schematic diagram at B in; Figure 8 For the present invention Figure 5 is a partial enlarged structural schematic diagram at C in; Figure 9 is a structural schematic diagram of the frame fixing mechanism of the present invention; Figure 10 is a front view sectional structural schematic diagram of two frame fixing brackets of the present invention; Figure 11 is a front view structural schematic diagram of the clamping arc plate of the present invention; Figure 12 is a front view structural schematic diagram of the sleeve plug of the present invention.

[0023] In the figure: 1, processing box; 2, paint output pipeline; 3, connecting pipeline; 4, first motor; 5, mounting bracket; 6, vehicle frame fixing bracket; 7, circular ring plate; 8, circular ring block; 9, support block; 10, rotating rod; 11, circular ring rack; 12, second motor; 13, rotating gear; 14, adjusting block; 15, long strip paint spray head; 16, diffusion paint spray head; 17, conveying hose; 18, support plate; 19, support block; 20, fourth motor; 21, rotating shaft; 22, incomplete gear; 23, adjusting gear; 24, sector gear; 25, third motor; 26, rotating screw; 27, rotating nut; 28, stabilizing strut; 29, switch door; 30, door handle; 31, adjusting screw; 32, bidirectional screw; 33, adjusting nut; 34, sleeve fixing block; 35, vehicle frame clamping block; 36, moving nut; 37, sleeve insertion block; 38, clamping arc plate; 39, sponge layer; 40, rotating handle; 41, twisting handle; 42, moving slider. Detailed implementation manner

[0024] Please refer to Figure 1-8, An alternating impact type frame painting system for a motorcycle frame, comprising a processing box 1. An input through hole is opened at the top end of the processing box 1, and a paint output pipe 2 is fixedly installed inside the input through hole. The bottom end of the paint output pipe 2 is rotatably connected to a connecting pipe 3. The bottom end of the processing box 1 is fixedly connected to a first motor 4. The output end of the first motor 4 extends into the processing box 1 and is fixedly connected to two mounting brackets 5. A frame fixing bracket 6 is fixedly installed between the two mounting brackets 5. The bottom end inside the processing box 1 is rotatably connected to an annular plate 7. The top end of the annular plate 7 is fixedly connected to an annular block 8. Two support blocks 9 are fixedly connected inside the annular block 8. The top ends of the two support blocks 9 are respectively rotatably connected to a rotating rod 10. Reciprocating swing mechanisms are fixedly installed between the outer walls of the two rotating rods 10 and the top end of the annular block 8 respectively. The reciprocating swing mechanism comprises two support plates 18. One ends of the two support plates 18 are respectively fixedly connected to the top end of the annular block 8. A support block 19 is fixedly connected between the two support plates 18. The top end of the support block 19 is fixedly connected to a fourth motor 20. Two rotating shafts 21 are respectively rotatably connected between the bottom end of the support block 19 and the top end of the annular block 8. Incomplete gears 22 are fixedly installed on the outer walls of the two rotating shafts 21. Adjusting gears 23 are fixedly connected to the outer walls of the two rotating shafts 21. The two adjusting gears 23 are meshed with each other. The top end of one of the rotating shafts 21 is fixedly connected to the output end of the fourth motor 20. A sector gear 24 is fixedly connected to the outer wall of the rotating rod 10. One end of the sector gear 24 is meshed with the incomplete gear 22. After the fourth motor 20 is powered on and started, the output end of the fourth motor 20 drives one of the rotating shafts 21 to rotate, and drives the other rotating shaft 21 to rotate through the meshing of the adjusting gears 23, so that the two rotating shafts 21 rotate in opposite directions. At this time, one of the incomplete gears 22 is meshed with the sector gear 24 and transmits power, so that the rotating rod 10 rotates, driving the paint spraying direction to rotate slightly. Subsequently, when the other incomplete gear rotates to be meshed with the sector gear 24, it drives the rotating rod 10 to rotate in a reverse direction, so as to form a small swing effect at the rotating rod 10, thereby completing the zigzag swing spraying of the paint nozzle. An annular rack 11 is fixedly connected to the outer wall of the annular plate 7. The bottom end of the processing box 1 is fixedly connected to a second motor 12. The output end of the second motor 12 extends into the processing box 1 and is fixedly connected to a rotating gear 13. The rotating gear 13 is meshed with the annular rack 11. The top ends of the two rotating rods 10 are respectively fixedly connected to adjusting blocks 14. One end of one of the adjusting blocks 14 is fixedly installed with a long strip paint spraying nozzle 15. An adjusting groove is opened at one end of the other adjusting block 14. A diffusion paint spraying nozzle 16 is installed inside the adjusting groove through an adjusting mechanism. Delivery hoses 17 are fixedly installed between the bottom end of the connecting pipe 3 and the output ends of the diffusion paint spraying nozzle 16 and the long strip paint spraying nozzle 15 respectively. After the second motor 12 is powered on and started, and through the cooperation of the rotating gear 13 and the annular rack 11, the position of the annular plate 7 is driven to rotate.And drive the spray positions of the diffusion spray nozzle 16 and the long strip spray nozzle 15 to be controlled.

[0025] Please refer to Figure 9-12 , a frame fixing mechanism is fixedly installed between the two frame fixing brackets 6. The frame fixing mechanism includes two adjusting screws 31 and two bidirectional screws 32. One end of each of the two frame fixing brackets 6 is provided with an adjusting through groove. The bottom ends of the two adjusting screws 31 are respectively rotatably connected to the bottom ends inside the two adjusting through grooves. The top ends of the two adjusting screws 31 both extend to the top of the frame fixing bracket 6. Adjusting nuts 33 are screwed on the outer walls of the two adjusting screws 31. One end of each of the two adjusting nuts 33 is fixedly installed with a sleeve fixing block 34 and a frame clamping block 35. One end of the sleeve fixing block 34 and one end of the frame clamping block 35 are both provided with adjusting grooves. One end of each of the two bidirectional screws 32 is respectively rotatably connected to one end inside the two adjusting grooves. The other ends of the two bidirectional screws 32 respectively extend to the outside of the sleeve fixing block 34 and the frame clamping block 35. Two moving nuts 36 are screwed on the outer walls of the two bidirectional screws 32. One end of each of the two moving nuts 36 is fixedly connected with a sleeve insertion block 37. One end of each of the other two moving nuts 36 is fixedly connected with a clamping arc plate 38. Sponge layers 39 are fixedly installed at one ends of the two clamping arc plates 38 that are close to each other. The top ends of the two adjusting screws 31 are both fixedly connected with rotating handles 40. One end of each of the two bidirectional screws 32 is fixedly installed with twisting handles 41. A moving sliding groove is opened at the top end of one of the mounting brackets 5. A moving slider is slidably connected inside the moving sliding groove. The top end of the moving slider is fixedly connected to the bottom end of one of the frame fixing brackets 6. After moving the frame sleeve to the vicinity of the sleeve insertion block 37, by rotating the adjusting screw 31, the positions of the sleeve insertion block 37 and the frame clamping block 35 are adjusted. Until it moves to the position suitable for the frame, by twisting the bidirectional screw 32, the moving nut 36 will be driven to move, and then the positions of the two sleeve insertion blocks 37 will be driven to move, so that their outer walls contact the inside of the frame sleeve. And after twisting the other bidirectional screw 32, the outer wall of the frame will be clamped and fixed by the clamping arc plate 38, thereby completing the firm fixation of the position of the motorcycle frame.

[0026] It should also be noted that the adjusting mechanism includes a third motor 25. A motor slot is provided at the top end of the adjusting slot. The top end inside the motor slot is fixedly connected to one end of the third motor 25. The output end of the third motor 25 is fixedly connected to a rotating screw rod 26. The bottom end of the rotating screw rod 26 is rotatably connected to the bottom end inside the adjusting slot. A rotating nut 27 is screwed on the outer wall of the rotating screw rod 26. One end of the rotating nut 27 is fixedly installed with one end of the diffusion paint spraying nozzle 16. When the third motor 25 is powered on and started, the output end of the third motor 25 drives its rotating screw rod 26 to rotate, and drives the rotating nut 27 to move through the thread, thereby driving the spraying height of its diffusion paint spraying nozzle 16 to be adjusted. In cooperation with the reciprocating swing mechanism, the uniformity of the paint spraying on the paint surface is improved. The outer wall of the rotating nut 27 is slidably connected to the inside of the adjusting slot to improve the stability of the rotating nut 27 during movement. Four corners at the bottom end of the processing box 1 are fixedly connected with stabilizing columns 28 to support the position of the overall device. Both ends on the outer wall of the processing box 1 are provided with switch doors 29. One end of the switch door 29 is fixedly installed with a door handle 30. A plurality of observation windows are provided on the outer wall of the processing box 1. Tempered glass is installed inside each of the plurality of observation windows to more intuitively observe the paint spraying process inside the processing box 1.

[0027] In summary, when the alternate impact type motorcycle frame painting system is in use, first move the frame sleeve near the sleeve insert block 37, and then adjust the positions of the sleeve insert block 37 and the frame clamping block 35 by rotating the adjusting screw 31. After moving to the position suitable for the frame, twist the bidirectional screw 32 to drive the moving nut 36 to move, thereby driving the positions of the two sleeve insert blocks 37 to move so that their outer walls contact the inside of the frame sleeve. After twisting another bidirectional screw 32, clamp and fix the outer wall of the frame through the clamping arc plate 38, thereby completing the firm fixation of the position of the motorcycle frame. After the first motor 4 is powered on and started, it will drive the frame to rotate around its own position to control the painting surface, or cooperate with the movement of the diffusion spray nozzle 16 and the long strip spray nozzle 15 to control the coverage of the paint surface. After the second motor 12 is powered on and started, and through the cooperation of the rotating gear 13 and the circular rack 11, drive the position of the circular plate 7 to rotate, thereby driving the painting positions of the diffusion spray nozzle 16 and the long strip spray nozzle 15 to be controlled. After the fourth motor 20 is powered on and started, the output end of the fourth motor 20 drives one of the rotating shafts 21 to rotate, and through the engagement of the adjusting gear 23, drives the other rotating shaft 21 to rotate, so that the two rotating shafts 21 rotate in opposite directions. At this time, one of the incomplete gears 22 meshes with and drives the sector gear 24, causing the rotating rod 10 to rotate and driving the painting direction to rotate slightly. Subsequently, after another incomplete gear rotates to mesh with the sector gear 24, drive the rotating rod 10 to rotate in the reverse direction, forming a small swing effect at the rotating rod 10, thereby completing the zigzag swing spraying of the paint nozzle on the paint surface. During the spraying process, use the long strip spray nozzle 15 to quickly cover the primer on the large area of the frame. After the third motor 25 is powered on and started, the output end of the third motor 25 drives the rotating screw 26 to rotate, and drives the moving nut 27 to move through the thread, thereby driving the adjustment of the spraying height of the diffusion spray nozzle 16, and cooperating with the reciprocating swing mechanism to improve the uniformity of the paint spraying on the paint surface.

Claims

1. An alternating hedge frame painting system for a motorcycle frame, comprising a processing box (1), characterized in that: The top of the processing box (1) is provided with an input through hole, a paint output pipe (2) is fixedly installed inside the input through hole, and the bottom end of the paint output pipe (2) is rotatably connected to a connecting pipe (3); The bottom end of the processing box (1) is fixedly connected to a first motor (4), the output end of the first motor (4) extends into the interior of the processing box (1) and is fixedly connected to two mounting frames (5), the top ends of the two mounting frames (5) are fixedly mounted with a frame fixing frame (6), and a frame fixing mechanism is fixedly mounted between the two frame fixing frames (6); The bottom end of the processing box (1) is rotatably connected to a circular plate (7), the top of the circular plate (7) is fixedly connected to a circular block (8), the inside of the circular block (8) is fixedly connected to two support blocks (9), the tops of the two support blocks (9) are rotatably connected to a rotating rod (10), and reciprocating swing mechanisms are fixedly installed between the outer walls of the two rotating rods (10) and the tops of the circular blocks (8); A circular rack (11) is fixedly connected to the outer wall of the circular plate (7); a second motor (12) is fixedly connected to the bottom end of the processing box (1); an output end of the second motor (12) extends into the interior of the processing box (1) and is fixedly connected to a rotating gear (13); the rotating gear (13) and the circular rack (11) are meshed with each other; The top ends of the two rotating rods (10) are fixedly connected to an adjustment block (14), and a long paint spray nozzle (15) is fixedly mounted on one end of one of the adjustment blocks (14); An adjustment slot is formed at one end of the other adjustment block (14), and a diffusion paint spray nozzle (16) is installed inside the adjustment slot through an adjustment mechanism; A delivery hose (17) is fixedly installed between the bottom end of the connecting pipe (3) and the output ends of the diffusion spray paint nozzle (16) and the long strip spray paint nozzle (15).

2. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 1, characterized in that: The reciprocating swing mechanism comprises two support plates (18), one end of the two support plates (18) is fixedly connected to the top of the circular ring block (8), a support block (19) is fixedly connected between the two support plates (18), the top of the support block (19) is fixedly connected to the fourth motor (20), the bottom end of the support block (19) is rotatably connected to the top of the circular ring block (8) and two rotating shafts (21), the outer walls of the two rotating shafts (21) are fixedly mounted with incomplete gears (22), the outer walls of the two rotating shafts (21) are fixedly connected with adjustment gears (23), the two adjustment gears (23) are meshed with each other, the top of one of the rotating shafts (21) is fixedly connected to the output end of the fourth motor (20), and the outer wall of the rotating rod (10) is fixedly connected with a sector gear (24), one end of the sector gear (24) is meshed with the incomplete gear (22).

3. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 2, characterized in that: The adjustment mechanism comprises a third motor (25), a motor slot is provided at the top of the adjustment slot, the top of the motor slot is fixedly connected to one end of the third motor (25), a rotating screw (26) is fixedly connected to the output end of the third motor (25), the bottom end of the rotating screw (26) is rotatably connected to the bottom end of the adjustment slot, a rotating screw sleeve (27) is screwed on the outer wall of the rotating screw (26), and one end of the rotating screw sleeve (27) is fixedly installed to one end of the diffusion paint spray nozzle (16).

4. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 3, characterized in that: The frame fixing mechanism comprises two adjusting screws (31) and two bidirectional screws (32), one end of each of the two frame fixing frames (6) is provided with an adjusting through slot, the bottom ends of the two adjusting screws (31) are rotatably connected to the bottom ends of the two adjusting through slots, the top ends of the two adjusting screws (31) extend to the top end of the frame fixing frame (6), the outer walls of the two adjusting screws (31) are threaded with adjusting screw sleeves (33), one ends of the two adjusting screw sleeves (33) are respectively fixedly mounted with a sleeve fixing block (34) and a frame clamping block (35), one end of the sleeve fixing block (34) and one end of the frame clamping block (35) are provided with an adjusting slot, one end of the two bidirectional screws (32) is rotatably connected to one end of the two adjusting slots, the other ends of the two bidirectional screws (32) extend respectively. Extending to the outside of the sleeve fixing block (34) and the frame clamping block (35), two movable screw sleeves (36) are screwed on the outer walls of the two bidirectional screw rods (32), one end of the two movable screw sleeves (36) are fixedly connected to the sleeve plug block (37), one end of the other two movable screw sleeves (36) are fixedly connected to the clamping arc plate (38), and the ends of the two clamping arc plates (38) close to each other are fixedly installed with a sponge layer (39), the top ends of the two adjusting screw rods (31) are fixedly connected to the rotating handle (40), and one end of the two bidirectional screw rods (32) are fixedly installed with the twisting handle (41), and a movable slide groove is opened at the top of one of the mounting frames, and a movable slider is slidably connected inside the movable slide groove, and the top end of the movable slider is fixedly connected to the bottom end of one of the frame fixing frames.

5. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 4, characterized in that: The outer wall of the rotating screw sleeve (27) is slidably connected to the interior of the adjusting groove.

6. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 5, characterized in that: The four corners of the bottom end of the processing box (1) are fixedly connected with stabilizing pillars (28).

7. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 6, characterized in that: Both ends of the outer wall of the processing box (1) are equipped with switch doors (29), and one end of the switch door (29) is fixedly equipped with a door handle (30).

8. The alternating counter-hedge frame painting system for a motorcycle frame according to claim 7, characterized in that: A plurality of observation windows are provided on the outer wall of the processing box (1), and tempered glass is installed inside the plurality of observation windows.

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