A pin shaft paint spraying auxiliary positioning tool

Abstract

The application discloses a pin shaft paint spraying auxiliary positioning tool, and relates to the technical field of pin shaft machining.The pin shaft paint spraying auxiliary positioning tool comprises a base, rotating frames, a placing frame, a driving assembly and a fixing assembly.The base is arranged on the ground, two groups of support frames are vertically arranged at the two ends of the base in the length direction, the rotating frames are rotationally arranged at the upper ends of the support frames, the rotating frames are correspondingly arranged in two groups, the two ends of the placing frame are fixedly connected with the two groups of rotating frames, the placing frame is arranged in two groups in the length direction of the rotating frame, the driving assembly is fixedly arranged on the support frame, the driving assembly is used for driving the rotating frame to rotate, and the fixing assembly is arranged on the placing frame and is arranged in multiple groups in the length direction of the placing frame.The pin shaft paint spraying auxiliary positioning tool has the effect of reducing the poor adaptability of the pin shaft paint spraying auxiliary positioning tool to different types of pin shafts.

Description

Technical Field

[0001] This application relates to the field of pin machining technology, and in particular to a pin painting auxiliary positioning fixture. Background Technology

[0002] After the pins are machined, the exposed end faces of the pins need to be painted to prevent moisture, dust or corrosive media in the environment from causing rust and reducing the service life of the pins. In order to paint a large number of pins at one time, a pin painting auxiliary positioning fixture needs to be designed.

[0003] A related pin-spraying auxiliary positioning fixture includes a fixed base and a clamping assembly. The operator fixes multiple sets of pins horizontally on the clamping assembly in sequence and sprays paint on the exposed end faces of the pins.

[0004] However, the existing pin painting auxiliary positioning fixture requires the use of shims of different thicknesses to assist in fixing the pins when using different models of pins with different diameters. It cannot quickly fix pins of different diameters onto the positioning fixture, and the pin painting auxiliary positioning fixture has poor adaptability to different types of pins. Utility Model Content

[0005] To reduce the problem of poor adaptability of pin painting auxiliary positioning fixtures to different types of pins, this application provides a pin painting auxiliary positioning fixture.

[0006] This application provides a pin-shaft painting auxiliary positioning fixture, which adopts the following technical solution: A pin-type painting auxiliary positioning fixture includes: The base is set on the ground, and two sets of support frames are vertically installed at both ends along the length of the base; The rotating frame is rotatably mounted on the upper end of the support frame, and two sets of rotating frames are provided corresponding to the support frame; The placement rack has two fixed connections at both ends to two sets of rotating racks, and the placement rack is arranged in two sets at intervals along the length of the rotating racks; The drive assembly is fixedly mounted on the support frame and is used to drive the rotating frame to rotate. The fixing components are mounted on the placement rack, and multiple sets of fixing components are spaced apart along the length of the placement rack.

[0007] By adopting the above technical solution, the base provides installation space for the support frame, the support frame provides installation space for the rotating frame, the fixing component can quickly fix pins of different diameters on the placement frame, and the operator can operate the drive component to drive the rotating frame to rotate on the support frame. The rotation of the rotating frame can drive the two sets of placement frames to rotate around the central axis of the rotating frame, so that the pins on the two sets of placement frames can align their exposed end faces with the painting direction in sequence, and the pins can be painted. This achieves the purpose of quickly positioning different types of pins and painting them in large quantities.

[0008] Optionally, the driver components include: The mounting box is fixedly installed at the end of the support frame away from the placement frame. The mounting box has a mounting cavity, a drive hole, and a transmission hole. The worm gear passes through the drive hole and is rotatably connected to the mounting box. The drive shaft passes through the drive hole and is rotatably connected to the mounting box. One end of the drive shaft near the rotating frame extends through the drive hole to the outside of the mounting cavity. The drive shaft is fixedly connected to the rotating frame by a coupling. The worm gear is sleeved on one end of the drive shaft and located in the mounting cavity, and the worm gear meshes with the worm. The turntable is fixedly connected to one end of the worm gear.

[0009] By adopting the above technical solution, the mounting box provides installation space for other mechanisms of the drive assembly. Because the worm and worm wheel are meshed, the operator can drive the worm to rotate through the turntable. Since the worm and worm wheel are meshed, the rotation of the worm can drive the worm wheel to rotate, and the rotation of the worm wheel can drive the transmission shaft to rotate synchronously. The rotation of the transmission shaft can drive the rotating frame to rotate on the support frame, thereby achieving the purpose of painting the pin end faces on the two sets of mounting frames.

[0010] Optional, fixed components include: The mounting frame is vertically fixed on the placement frame, and multiple sets of mounting frames are spaced apart along the length of the placement frame. A threaded rod is vertically fixed at the upper end of the mounting bracket. A fixing plate is provided with fixing holes, and the fixing plate is sleeved on the threaded rod through the fixing holes; A nut is fitted onto a threaded rod, and the nut is threadedly connected to the threaded rod. The outer diameter of the nut is larger than the inner diameter of the fixing hole.

[0011] By adopting the above technical solution, the mounting bracket provides installation space for the threaded rod and the fixing plate. The staff can place the pin on the mounting bracket. Because the nut and the threaded rod are threadedly connected, the staff can rotate the nut to move it along the central axis of the threaded rod towards the fixing plate, so that the nut applies pressure to the fixing plate and presses the pin tightly onto the mounting bracket, thereby achieving the purpose of quickly fixing pins of different diameters.

[0012] Optionally, the base is equipped with multiple sets of casters.

[0013] By adopting the above technical solution, the setting of the moving wheels allows the workers to quickly move the positioning fixture with the pin installed to the painting station. By using multiple sets of positioning fixtures in combination, the workers can perform the installation and removal of the pin on other positioning fixtures while painting the pin, thereby improving the continuity and efficiency of the painting work.

[0014] Optionally, a limit rod is provided at one end of the rotating frame along its length. The limit rod is slidably connected to the rotating frame, and a limit plate is provided on the support frame. The limit rod and the limit plate are correspondingly provided.

[0015] By adopting the above technical solution, the setting of the limiting rod can limit the rotation angle of the rotating frame. When the rotating frame can rotate to a suitable angle, the limiting rod and the limiting plate abut against each other, causing the rotating frame to stop rotating quickly, which improves the convenience and safety of the operator in operating the rotating frame. The setting of the sliding connection of the limiting rod allows the operator to adjust the cooperation state of the limiting rod and the limiting plate, thereby adjusting the working state of the limiting rod and improving the operator's control over the positioning fixture.

[0016] Optionally, a protective pad is provided at the position where the limit rod abuts against the limit plate.

[0017] By adopting the above technical solution, the protective pad can protect the limit rod, reduce the collision damage caused when the limit rod comes into contact with the limit plate, and extend the service life of the limit rod.

[0018] Optionally, the shelf may be equipped with a positioning slot.

[0019] By adopting the above technical solution, the positioning groove allows the pin to be placed more stably on the placement frame, reducing the probability of the pin rolling on the placement frame. At the same time, it enables the pin to be quickly aligned with the fixed plate on the placement frame, improving the work efficiency of workers loading and unloading pins on the positioning fixture.

[0020] Optionally, fixing blocks are vertically fixed at both ends of the fixing plate along its length, and flexible pads are provided at both ends of the fixing blocks.

[0021] By adopting the above technical solution, the setting of the fixing block can improve the fixing effect of the fixing plate on the pin. When the diameter of the pin is small, the height of the lower end of the fixing block is lower than the height of the fixing plate. That is, the lower end of the fixing block is closer to the pin than the lower surface of the fixing plate, so that the fixing block can better limit and fix the pin. When the diameter of the pin is large, the operator can control the fixing plate to be installed upside down, so that the original upper surface of the fixing block becomes the lower surface, thereby effectively fixing the larger diameter pin through the fixing block. This improves the applicability of the positioning fixture to pins of different diameters. The setting of the flexible pad can improve the fit between the fixing block and the fixing plate and the pin, thereby improving the contact stability between the fixing block and the pin, and further enhancing the clamping effect of the positioning fixture on the pin.

[0022] In summary, this utility model embodiment provides a pin-shaft painting auxiliary positioning fixture, which includes at least one of the following beneficial technical effects: 1. The base provides installation space for the support frame, which in turn provides installation space for the rotating frame. The fixing component can quickly fix pins of different diameters onto the placement frame. The operator can operate the drive component to make the rotating frame rotate on the support frame. The rotation of the rotating frame can drive the two sets of placement frames to rotate around the central axis of the rotating frame, so that the pins on the two sets of placement frames can align their exposed end faces with the painting direction in sequence, and then paint the pins. This achieves the purpose of quickly positioning different types of pins and painting them in large quantities.

[0023] 2. The fixing block improves the fixing effect of the fixing plate on the pin. When the pin diameter is small, the lower end of the fixing block is lower than the height of the fixing plate. That is, the lower end of the fixing block is closer to the pin than the lower surface of the fixing plate, allowing the fixing block to better limit and fix the pin. When the pin diameter is large, the operator can control the fixing plate to be installed upside down, so that the original upper surface of the fixing block becomes the lower surface. This allows for effective fixing of larger diameter pins, improving the applicability of the positioning fixture to pins of different diameters. The flexible pad improves the fit between the fixing block and the fixing plate and the pin, thereby improving the contact stability between the fixing block and the pin and further enhancing the clamping effect of the positioning fixture on the pin. Attached Figure Description

[0024] Figure 1 A schematic diagram of the structure of a pin-shaft painting auxiliary positioning fixture provided for an embodiment of this utility model; Figure 2 A schematic diagram of a limiting rod structure in a pin-type painting auxiliary positioning fixture provided in this embodiment of the utility model; Figure 3 A schematic diagram of the drive component structure in a pin-type painting auxiliary positioning fixture provided in this embodiment of the utility model; Figure 4 This is a schematic diagram of the limiting component structure in a pin-type painting auxiliary positioning fixture provided for an embodiment of the present utility model.

[0025] Explanation of the markings in the image: 11. Base; 12. Rotating frame; 13. Placement rack; 14. Casters; 15. Support frame; 16. Support plate; 17. Limiting rod; 18. Limiting plate; 19. Protective pad; 20. Coupling; 21. Fixing block; 22. Flexible pad; 23. Positioning groove; 24. Mounting cavity; 25. Drive hole; 26. Transmission hole; 27. Fixing hole; 28. Pin; 3. Drive assembly; 31. Mounting box; 32. Worm gear; 33. Worm; 34. Turntable; 35. Drive shaft; 4. Fixing components; 41. Mounting bracket; 42. Threaded rod; 43. Fixing plate; 44. Nut. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0027] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 This application discloses an auxiliary positioning fixture for pin spraying, including: a base 11, a rotating frame 12, a placement frame 13, a driving component 3, and a fixing component 4; the base 11 is set on the ground, and two sets of support frames 15 are vertically arranged at both ends of the base 11 along its length direction. The rotating frame 12 is rotatably set on the upper end of the support frame 15, and two sets of rotating frames 12 are correspondingly arranged with the support frame 15. The two ends of the placement frame 13 are fixedly connected to the two sets of rotating frames 12 respectively, and two sets of placement frames 13 are spaced apart along the length direction of the rotating frame 12. The driving component 3 is fixedly set on the support frame 15 and is used to drive the rotating frame 12 to rotate. The fixing component 4 is set on the placement frame 13, and multiple sets of fixing components 4 are spaced apart along the length direction of the placement frame 13.

[0028] In this embodiment, the base 11 is rectangular, and multiple sets of casters 14 are provided at the lower end of the base 11. Workers can use the casters 14 to push the positioning fixture quickly to the painting station for painting. The support frame 15 is also rectangular, and a support plate 16 is horizontally arranged on the side of the support frame 15 away from the center of the fixed base 11. The support frame 15 and the support plate 16 can be bolted, welded, or integrally formed; no specific limitation is made in this embodiment. The height of the rotating frame 12 is higher than the height of the support plate 16. The rotating frame 12 is T-shaped, and one end of the rotating frame 12 that passes through the support frame 15 is round. The rotating frame 12 is fixedly connected to the placement frame 13 at one end in a cuboid shape. Two sets of placement frames 13 are spaced apart along the cuboid end of the rotating frame 12. Each placement frame 13 is U-shaped with its opening facing upwards. Fixing components 4 are fixedly installed within the U-shaped grooves. Each placement frame 13 has a positioning groove 23, which is arc-shaped with rounded corners. The pin 28 can be placed within the positioning groove 23, reducing the probability of the pin 28 rolling along the length of the placement frame 13 and improving the installation stability of the pin 28. Each set of fixing components 4 extends along the length of the placement frame 13. Two sets of positioning grooves 23 are provided at both ends of the direction, so that one set of fixing components 4 can simultaneously fix the pins 28 in the two sets of positioning grooves 23, improving the fixing efficiency of the positioning fixture for the pins 28; the drive component 3 is fixedly installed on the placement plate, and the output end of the drive component 3 is fixedly connected to the cylindrical end of the rotating frame 12. The drive component 3 can drive the rotating frame 12 to drive the placement frame 13 to rotate synchronously, so that the pins 28 on the two sets of placement frames 13 can rotate sequentially to the side of the painting operation and spray paint on the end face; a limit rod 17 is provided at one end of the rotating frame 12 in the length direction. The limit rod 17 is cylindrical and limits the... The ends of the positioning rod 17 are thickened to prevent it from detaching from the rotating frame 12. A limiting plate 18 is provided on the support frame 15. The limiting plate 18 is rectangular and the limiting rod 17 and the limiting plate 18 are correspondingly provided. A protective pad 19 is provided at the position where the limiting rod 17 abuts against the limiting plate 18. The material of the protective pad 19 can be rubber or high-strength alloy. In this embodiment, the material of the protective pad 19 is not specifically limited. The protective pad 19 can protect the limiting rod 17, reduce the damage caused by the collision between the limiting rod 17 and the limiting plate 18, and extend the service life of the limiting rod 17.When the operator needs to limit the rotation angle of the rotating frame 12 and the placement frame 13, the operator slides the limiting rod 17 towards the limiting plate 18, causing the limiting rod 17 to abut against the limiting plate 18, thereby limiting the rotation angle of the rotating frame 12 and the placement frame 13. This allows the operator to quickly stop the rotation of the placement frame 13 when it is driven to a designated position by the drive assembly 3. When the operator does not need to limit the rotation angle of the rotating frame 12 and the placement frame 13, the operator slides the limiting rod 17 away from the limiting plate 18, preventing the limiting rod 17 from contacting the limiting plate 18. When there is resistance, the rotating frame 12 and the placement frame 13 can rotate freely, improving the flexibility of the positioning fixture. Through the cooperation of the fixing component 4 and the placement frame 13, pins 28 of different diameters can be quickly installed on the positioning fixture, improving the adaptability of the pin painting auxiliary positioning fixture to different types of pins 28. The pins 28 and the positioning fixture are moved to the painting station via the moving wheels 14 and the base 11. Through the cooperation of the drive component 3 and the rotating frame 12, the pins 28 on both sets of placement frames 13 can rotate towards the painting position, improving the painting efficiency of the pin painting auxiliary positioning fixture.

[0029] In practical use, the operator places the pin 28 in the positioning groove 23, and the operator operates the fixing component 4 to fix the pin 28 on the placement frame 13. The operator moves the positioning fixture to the painting station by the moving wheel 14. The operator paints the pin 28 on one set of placement frames 13. After the pin 28 on one set of placement frames 13 is painted, the operator operates the drive component 3 to drive the rotating frame and the placement frame 13 to rotate. When the other set of placement frames 13 rotates to the appropriate angle, the limit rod 17 abuts against the limit plate 18, causing the placement frame 13 to stop rotating. The operator then paints the pin 28 on the other set of placement frames 13.

[0030] Combination Figure 1 and Figure 3 In one specific embodiment, the drive assembly 3 includes: a mounting box 31, a worm gear 33, a drive shaft 35, a worm wheel 32, and a turntable 34. The mounting box 31 is fixedly disposed at the end of the support frame 15 away from the placement frame 13. The mounting box 31 has a mounting cavity 24, a drive hole 25, and a transmission hole 26. The worm gear 33 passes through the drive hole 25 and is rotatably connected to the mounting box 31. The drive shaft 35 passes through the transmission hole 26 and is rotatably connected to the mounting box 31. The end of the drive shaft 35 near the rotating frame 12 extends through the transmission hole 26 to the outside of the mounting cavity 24. The drive shaft 35 is fixedly connected to the rotating frame 12 via a coupling 20. The worm wheel 32 is sleeved on the end of the drive shaft 35 disposed in the mounting cavity 24 and meshes with the worm gear 33. The turntable 34 is fixedly connected to one end of the worm gear 33.

[0031] In this embodiment, the mounting box 31 is rectangular, the mounting cavity 24 is rectangular, the drive hole 25 is cylindrical, one end of the worm 33 extends through the drive hole 25 to the outside of the mounting box 31, and a turntable 34 is fixedly mounted on the end of the worm 33 away from the mounting box 31. The turntable 34 is circular, and a handle is provided on the outer side of the turntable 34, allowing the operator to drive the worm 33 to rotate. The transmission hole 26 is cylindrical, and the transmission shaft 35 is cylindrical. The transmission shaft 35 and the worm wheel 32 are fixed by a key connection. In this embodiment, the transmission ratio between the worm 33 and the worm wheel 32 is specifically set according to the actual usage, and is not specifically specified in this embodiment. Because the worm 33 meshes with the worm wheel 32, the rotation of the worm 33 will drive the worm wheel 32 to rotate, and the rotation of the worm wheel 32 will drive the transmission shaft 35 to rotate synchronously. The transmission shaft 35 drives the rotating frame 12 to rotate through the coupling 20. It should be noted that the working principle of the coupling 20 is the prior art in this field, so the specific structure and working principle of the coupling 20 will not be specifically described in this embodiment. The operator uses the turntable 34 and the worm wheel 32 and worm 33 to drive the placement frame 13 away from the turntable 34 to the side closer to the turntable 34, which makes it easier for the operator to spray paint the pins 28 on the two sets of placement frames 13 in sequence, thus improving the painting efficiency of the pins 28.

[0032] In practical use, after the staff finishes painting the pins 28 on one set of placement racks 13, the staff rotates the turntable 34. The rotation of the turntable 34 drives the worm gear 33 to rotate, which in turn drives the worm wheel 32 to rotate. The rotation of the worm wheel 32 drives the transmission shaft 35, the rotating frame 12, and the two sets of placement racks 13 to rotate synchronously around the central axis of the transmission shaft 35 until the limit rod 17 touches the limit plate 18 and stops rotating. At this time, the painted end face of the pins 28 on the other set of placement racks 13 is exactly facing the staff, which makes it convenient for the staff to paint the pins 28 on the other set of placement racks 13.

[0033] Combination Figure 1 , Figure 2 and Figure 4 In one specific embodiment, the fixing component 4 includes: a mounting bracket 41, a threaded rod 42, a fixing plate 43, and a nut 44; the mounting bracket 41 is vertically fixed on the placement frame 13, and multiple sets of mounting brackets 41 are spaced apart along the length of the placement frame 13; the threaded rod 42 is vertically fixed on the upper end of the mounting bracket 41; the fixing plate 43 is provided with a fixing hole 27, and the fixing plate 43 is sleeved on the threaded rod 42 through the fixing hole 27; the nut 44 is sleeved on the threaded rod 42, and the nut 44 is threadedly connected to the threaded rod 42; the outer diameter of the nut 44 is larger than the inner diameter of the fixing hole 27.

[0034] In this embodiment, the mounting bracket 41 is T-shaped and fits precisely into the groove of the placement bracket 13. The mounting bracket 41 and the placement bracket 13 can be welded, bolted, or integrally formed; no specific limitation is made in this embodiment. The threaded rod 42 is vertically fixed at the center of the upper surface of the mounting bracket 41. The fixing plate 43 is cuboid, and the fixing hole 27 is cylindrical. The fixing plate 43 can move along the axis of the threaded rod 42. Fixing blocks 21 are vertically fixed at both ends of the length of the fixing plate 43. The fixing blocks 21 are cuboid, with the upper end of the fixing block 21 flush with the height of the fixing plate 43 and the lower end of the fixing block 21 lower than the lower end of the fixing plate 43. That is, the fixing blocks 21 extend towards the positioning groove 23. Because the threaded rod 42 and the nut 44 are threadedly connected, the operator can rotate the nut 44 to move it towards the mounting bracket 41, thereby pressing the fixing blocks 21 on the fixing plate 43 against the pin 28. On the surface, when the diameter of the pin 28 is small, the fixing block 21 extends towards the pin 28 and abuts against the pin 28. When the diameter of the pin 28 is large, the worker inverts the fixing plate 43, causing the fixing block 21 to extend away from the pin 28. At the same time, the fixing plate 43 moves away from the mounting bracket 41 along the central axis of the threaded rod 42, thereby adjusting the distance between the fixing block 21 and the pin 28, so that the pin 28 can effectively fix the larger diameter pin 28. Both ends of the fixing block 21 are provided with flexible pads 22. The material of the flexible pads 22 can be rubber or silicone. In this embodiment, no specific limitation is made. When the fixing block 21 fixes the pin 28, the flexible pads 22 are squeezed and deformed, increasing the contact area between the fixing block 21 and the pin 28, thereby increasing the fixing effect of the fixing block 21 on the pin 28. At the same time, the material of the flexible pads 22 can also reduce the damage to the surface of the pin 28 and improve the processing yield of the pin 28.

[0035] In practical use, the operator places the pin 28 in the positioning groove 23 and places the fixing plate 43 on top of the pin 28. The operator adjusts the orientation of the fixing plate 43 according to the diameter of the pin 28. For a pin 28 with a smaller diameter, the fixing plate 43 is placed upright, so that the fixing block 21 extends towards the pin 28 and presses and fixes the pin 28. For a pin 28 with a larger diameter, the fixing plate 43 is installed upside down, so that the fixing block 21 extends away from the pin 28. The operator rotates the nut 44, so that the nut 44 moves towards the fixing plate 43 and applies pressure to the fixing plate 43 and the fixing block 21, thereby firmly fixing the pin 28 in the positioning groove 23.

[0036] The implementation principle of this application is as follows: The worker places the pin 28 in the positioning groove 23, places the fixing plate 43 above the pin 28 and adjusts the orientation of the fixing plate 43 according to the diameter of the pin 28, and rotates the nut 44 to move it closer to the fixing plate 43, applying pressure to the fixing plate 43 and the fixing block 21, thereby firmly fixing the pin 28 in the positioning groove 23 through the fixing block 21; the worker moves the positioning fixture to the painting station using the moving wheels 14, and the worker then places the pin 28 on a set of placement racks 13... During the painting operation, after the pins 28 on one set of placement racks 13 have been painted, the worker rotates the turntable 34. The rotation of the turntable 34 drives the worm gear 33 to rotate, which in turn drives the worm wheel 32 to rotate. The rotation of the worm wheel 32 drives the transmission shaft 35, the rotating frame 12, and the two sets of placement racks 13 to rotate synchronously around the central axis of the transmission shaft 35 until the limit rod 17 contacts the limit plate 18 and stops rotating. At this time, the painted end face of the pins 28 on the other set of placement racks 13 is exactly facing the worker, making it convenient for the worker to paint the pins 28 on the other set of placement racks 13.

[0037] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A pin-shaft painting auxiliary positioning fixture, characterized in that, include: The base (11) is set on the ground, and two sets of support frames (15) are vertically set at both ends of the base (11) in the length direction. A rotating frame (12) is rotatably mounted on the upper end of the support frame (15), and two sets of the rotating frame (12) and the support frame (15) are provided corresponding to each other; Placement rack (13), the two ends of which are fixedly connected to two sets of rotating racks (12), and the placement rack (13) is provided in two sets at intervals along the length of the rotating racks (12); Drive assembly (3), which is fixedly mounted on support frame (15), is used to drive the rotating frame (12) to rotate; Fixing component (4) is disposed on the placement frame (13), and multiple sets of fixing components (4) are disposed at intervals along the length direction of the placement frame (13).

2. The pin-shaft painting auxiliary positioning fixture according to claim 1, characterized in that: The driving component (3) includes: Mounting box (31), the mounting box (31) is fixedly set at one end of the support frame (15) away from the placement frame (13), the mounting box (31) is provided with mounting cavity (24), the mounting box (31) is provided with drive hole (25), and the mounting box (31) is provided with transmission hole (26). The worm (33) passes through the drive hole (25) and is rotatably connected to the mounting box (31); A drive shaft (35) is inserted into the drive hole (26). The drive shaft (35) is rotatably connected to the mounting box (31). One end of the drive shaft (35) near the rotating frame (12) extends through the drive hole (26) to the outside of the mounting cavity (24). The drive shaft (35) is fixedly connected to the rotating frame (12) through a coupling (20). Worm gear (32), the worm gear (32) is sleeved on one end of the transmission shaft (35) and located in the mounting cavity (24), the worm gear (32) meshes with the worm (33); Turntable (34), which is fixedly connected to one end of the worm (33).

3. The pin-shaft painting auxiliary positioning fixture according to claim 1, characterized in that: The fixing component (4) includes: Mounting bracket (41), which is vertically fixed on the placement frame (13), and multiple sets of mounting bracket (41) are arranged at intervals along the length direction of the placement frame (13); A threaded rod (42) is vertically fixed to the upper end of the mounting bracket (41); A fixing plate (43) is provided with a fixing hole (27), and the fixing plate (43) is sleeved on the threaded rod (42) through the fixing hole (27); Nut (44), the nut (44) is sleeved on the threaded rod (42), the nut (44) is threadedly connected to the threaded rod (42), and the outer diameter of the nut (44) is larger than the inner diameter of the fixing hole (27).

4. The pin-shaft painting auxiliary positioning fixture according to claim 1, characterized in that: The base (11) is provided with multiple sets of casters (14) at its lower end.

5. The pin-shaft painting auxiliary positioning fixture according to claim 1, characterized in that: A limiting rod (17) is provided at one end of the rotating frame (12) along its length. The limiting rod (17) is slidably connected to the rotating frame (12). A limiting plate (18) is provided on the support frame (15). The limiting rod (17) and the limiting plate (18) are provided correspondingly.

6. The pin-shaft painting auxiliary positioning fixture according to claim 5, characterized in that: A protective pad (19) is fitted at the position where the limiting rod (17) abuts against the limiting plate (18).

7. The pin-shaft painting auxiliary positioning fixture according to claim 1, characterized in that: The placement rack (13) is provided with a positioning groove (23).

8. The pin-shaft painting auxiliary positioning fixture according to claim 3, characterized in that: The fixing plate (43) has a fixing block (21) vertically fixed at both ends along its length, and a flexible pad (22) is provided at both ends of the fixing block (21).

Images