Hub paint spraying shielding tool

Abstract

A wheel hub paint spraying shielding tool comprises a wheel hub to be subjected to paint spraying, a main bearing ring, a driving screw, a screw connecting block, a driving connecting rod, a clamping driving ring, a shielding block, a clamping jaw connecting block and a clamping linkage rod, a connecting rod avoiding ring groove is formed in the middle of the main bearing ring, the main bearing ring is matched with the clamping driving ring, and the main bearing ring is connected with the clamping driving ring. The clamping driving ring rotates in the main bearing ring, the outer side of the clamping driving ring is provided with an inner driving connecting rod table, the outer side of the main bearing ring is provided with a screw rod mounting table and a connecting rod table connecting groove, the screw rod mounting table is located in the middle, the connecting rod table connecting groove is located in the side face of the screw rod mounting table, and the inner driving connecting rod table is matched with the connecting rod table connecting groove; the inner driving connecting rod table is connected with the connecting rod table connecting groove and slides in the connecting rod table connecting groove, and a screw connecting groove is formed in the screw mounting table.

Description

Technical Field

[0001] The utility model relates to the field of wheel hub spray painting, in particular to a wheel hub spray painting shielding tool. Background Art

[0002] The existing patent (publication number: CN218854615U) proposes a wheel hub paint masking tool, including a fixed plate, a circular disc is fixedly arranged at the center position of the fixed plate, five annularly distributed openings are opened on the fixed plate on the side of the circular disc ring, and sliders are arranged at the ends of the five openings away from the circular disc. Slide grooves are opened at the ends of the five openings on the fixed plate, and the sliders are slidably arranged in the slide grooves. The side walls of the sliders are fixedly connected with springs, and the end of the spring away from the slider is fixedly connected to a limited position block. However, in this device, "an arc-shaped clamping plate is rotatably installed on the end of the threaded rod close to the circular disc, and a handwheel is fixedly installed on the end of the threaded rod away from the arc-shaped clamping plate". All threaded rods are provided with a handwheel, which requires the operator to operate frequently when clamping the wheel hub, and the clamping is relatively cumbersome, which affects the efficiency of the clamping operation. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a shielding tool for using the shielding tool to perform a painting operation on the wheel hub. When a driving button is driven to rotate by a tool, the screw connecting block slides along the driving screw. When the screw connecting block moves, the driving connecting rod drives the clamping driving ring to rotate. When the clamping driving ring rotates, the clamping linkage rod drives the claw connecting block to approach or move away from the main bearing ring, so that the cylindrical claw is pressed against the side of the wheel hub to be painted. The clamping in each direction does not require separate operation, and the claw connecting blocks in each direction move synchronously. After the clamping is completed, the wheel hub to be painted is completely centered, and the clamping effect is good and the clamping operation is convenient. A wheel hub painting shielding tool.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A wheel hub painting shielding tool comprises a wheel hub to be painted, a main bearing ring, a driving screw, a screw connecting block, a driving connecting rod, a clamping driving ring, a blocking block, a claw connecting block, and a clamping linkage rod. The middle part of the main bearing ring is provided with a connecting rod avoidance ring groove, the main bearing ring is adapted to the clamping driving ring, the main bearing ring is connected to the clamping driving ring, the clamping driving ring rotates inside the main bearing ring, the clamping driving ring is provided with an inner driving connecting rod platform on the outer side of the clamping driving ring, the outer side of the main bearing ring is provided with a screw mounting platform and a connecting rod platform connecting groove, the screw mounting platform is in a central position, the connecting rod platform connecting groove is located on the side of the screw mounting platform, the inner driving connecting rod platform is adapted to the connecting rod platform connecting groove, the inner driving connecting rod platform is connected to the connecting rod platform connecting groove, the inner driving connecting rod platform slides inside the connecting rod platform connecting groove, the screw mounting platform has a screw connecting groove inside, a screw connecting groove is provided on one side of the driving screw, the screw connecting column is rotatably connected to the screw connecting groove, the other side of the driving screw is provided with a driving button, and the screw connecting block is threadedly connected to the driving screw.

[0006] The side of the screw connecting block is provided with an external driving connecting rod platform, the left side of the driving connecting rod is rotatably connected to the inner driving connecting rod platform, and the right side of the driving connecting rod is rotatably connected to the outer driving connecting rod platform, and the upper and lower sides of the clamping driving ring are provided with arc groove connecting blocks, three groups of arc groove connecting blocks are evenly arranged around the clamping driving ring, and the surface of the clamping driving ring is provided with claw avoidance grooves and connecting rod avoidance holes, three groups of claw avoidance grooves are evenly arranged around the clamping driving ring, the claw avoidance grooves are located on the side of the arc groove connecting block, three groups of connecting rod avoidance holes are evenly arranged around the clamping driving ring, the connecting rod avoidance holes are located on the other side of the arc groove connecting block, an external clamping connecting platform is provided inside the connecting rod avoidance hole, and a linkage mounting platform is provided on the upper and lower sides of the main bearing ring.

[0007] The surface of the linkage mounting platform is provided with a horizontal sliding arc groove and a vertical sliding straight groove, the vertical sliding straight groove is in a central position, the horizontal sliding arc groove is located on the side of the vertical sliding straight groove, the arc groove connecting block is adapted to the horizontal sliding arc groove, the arc groove connecting block is connected to the horizontal sliding arc groove, the arc groove connecting block slides inside the horizontal sliding arc groove, a claw block extension rod is provided at the rear of the claw connecting block, straight groove connecting blocks are provided on the upper and lower sides of the claw block extension rod, the straight groove connecting block is adapted to the vertical sliding straight groove, and the straight groove connecting block is connected to the vertical sliding straight groove. Beneficial Effects

[0008] 1. When the utility model uses this shielding tool to perform the painting operation of the wheel hub, the driving button is driven to rotate by the tool to make the screw connecting block slide along the driving screw, and the screw connecting block is driven to rotate by the driving connecting rod while the clamping driving ring is rotated, and the clamping driving ring is driven by the clamping linkage rod while the claw connecting block is driven to approach or move away from the main bearing ring, so that the cylindrical claw is pressed against the side of the wheel hub to be painted, and the clamping in each direction does not need to be operated separately, and the claw connecting blocks in each direction move synchronously, so that the wheel hub to be painted is completely centered after the clamping is completed, the clamping effect is good, and the clamping operation is convenient.

[0009] 2. The shielding block and the main bearing ring of the utility model adopt a split design. After the cylindrical claws complete the clamping operation of different types of wheel hubs to be painted, different types of shielding blocks can be freely replaced, so that this device can perform painting operations on different types of wheel hubs to be painted, ensuring the adaptability of this device.

[0010] 3. The extension rod of the clamping claw block of the utility model slides inside the clamping claw avoidance groove, so that after the clamping claw block extension rod retreats to the limit position, it can continue to retreat through the clamping claw avoidance groove, thereby ensuring the movement range of the clamping claw connecting block, so that the device can be used to clamp more types of wheel hubs to be painted, thereby enhancing the adaptability of the device.

[0011] 4. The screw connecting block of the utility model is connected to the driving screw by a threaded connection, and the threaded connection has good self-locking property, so that the cylindrical claws are not easily affected by external disturbances and fall off after clamping the wheel hub to be painted, thereby ensuring the clamping stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic diagram of the structure of a wheel hub paint shielding tooling.

[0013] Figure 2 The utility model is a top view of a wheel hub paint shielding tooling.

[0014] Figure 3 This is a partial top view cross-sectional view A of a wheel hub paint shielding tooling described in the present invention.

[0015] Figure 4 This is a partial top-view cross-sectional view B of a wheel hub paint shielding tooling described in the present invention.

[0016] Figure 5 This is an exploded view of a wheel hub paint shielding tooling described in the utility model.

[0017] Figure 6 This is a schematic diagram of the main bearing ring structure described in the utility model.

[0018] Figure 7 This is a schematic diagram of the structure of the clamping drive ring described in the utility model.

[0019] Figure 8 This is a schematic diagram of the structure of the claw connecting block described in the utility model.

[0020] Fig. 9 This is a schematic diagram of the shielding block structure described in the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0022] Embodiment 1:

[0023] A wheel hub painting shielding tool comprises a wheel hub to be painted 1, a main bearing ring 2, a driving screw 4, a screw connecting block 6, a driving connecting rod 8, a clamping driving ring 16, a shielding block 18, a claw connecting block 22, and a clamping linkage rod 25. The middle of the main bearing ring 2 has a connecting rod avoidance ring groove 29, the main bearing ring 2 is adapted to the clamping driving ring 16, the main bearing ring 2 is connected to the clamping driving ring 16, the clamping driving ring 16 rotates inside the main bearing ring 2, and the outer side of the clamping driving ring 16 has an inner driving connecting rod. The rod platform 10 has a screw mounting platform 3 and a connecting rod platform connecting groove 9 on the outside of the main bearing ring 2. The screw mounting platform 3 is in the center position, and the connecting rod platform connecting groove 9 is located on the side of the screw mounting platform 3. The inner driving connecting rod platform 10 is adapted to the connecting rod platform connecting groove 9. The inner driving connecting rod platform 10 is connected to the connecting rod platform connecting groove 9. The inner driving connecting rod platform 10 slides inside the connecting rod platform connecting groove 9. The screw mounting platform 3 has a screw connecting groove 28 inside, and a screw connecting column 27 is provided on one side of the driving screw 4. The screw connection The column 27 is rotatably connected with the screw connecting groove 28, and a driving button 5 is provided on the other side of the driving screw 4. When this shielding tool is used for the painting operation of the wheel hub, the driving button 5 is driven to rotate by a tool to make the screw connecting block 6 slide along the driving screw 4. While the screw connecting block 6 moves, the clamping driving ring 16 is driven to rotate by the driving connecting rod 8. While the clamping driving ring 16 rotates, the clamping linkage rod 25 drives the claw connecting block 22 to approach or move away from the main bearing ring 2, so that the cylindrical claw 20 is pressed against the side of the wheel hub 1 to be painted. The clamping in each direction does not need to be operated separately, and the claw connecting blocks 22 in each direction move synchronously. After the clamping is completed, the wheel hub 1 to be painted is completely centered, the clamping effect is good, and the clamping operation is convenient. The screw connecting block 6 is threadedly connected to the driving screw 4, and the screw connecting block 6 is threadedly connected to the driving screw 4. The threaded connection has good self-locking performance, so that the cylindrical claw 20 is not easily affected by external disturbances and falls off after clamping the wheel hub 1 to be painted, thereby ensuring the clamping stability of the device.

[0024] Embodiment 2:

[0025] The screw connecting block 6 of the utility model has an external driving connecting rod platform 7 on the side, the driving connecting rod 8 is rotatably connected to the internal driving connecting rod platform 10 on the left side, and the driving connecting rod 8 is rotatably connected to the external driving connecting rod platform 7 on the right side. The clamping driving ring 16 has arc groove connecting blocks 15 on the upper and lower sides, and three groups of arc groove connecting blocks 15 are evenly arranged around the clamping driving ring 16. The surface of the clamping driving ring 16 has claw avoidance grooves 19 and connecting rod avoidance holes 26. The three groups of claw avoidance grooves 19 are evenly arranged around the clamping driving ring 16, and the claw avoidance grooves 19 are located on the side of the arc groove connecting block 15. The three groups of connecting rod avoidance holes 26 are evenly arranged around the clamping driving ring 16, and the connecting rod avoidance holes 26 are located on the other side of the arc groove connecting block 15. The connecting rod avoidance holes 26 have an external clamping connecting platform 30 inside, and the main bearing ring 2 has a linkage mounting platform 11 on the upper and lower sides.

[0026] Embodiment 3:

[0027] The surface of the linkage mounting platform 11 of the utility model is provided with a horizontal sliding arc groove 12 and a vertical sliding straight groove 13, wherein the vertical sliding straight groove 13 is in a central position, the horizontal sliding arc groove 12 is located on the side of the vertical sliding straight groove 13, the arc groove connecting block 15 is adapted to the horizontal sliding arc groove 12, the arc groove connecting block 15 is connected to the horizontal sliding arc groove 12, the arc groove connecting block 15 slides inside the horizontal sliding arc groove 12, the rear part of the claw connecting block 22 is provided with a claw block extension rod 24, the claw block extension rod 24 is provided with straight groove connecting blocks 14 on the upper and lower sides, the straight groove connecting block 14 is adapted to the vertical sliding straight groove 13, and the straight groove connecting block 14 is connected to the vertical sliding straight groove 13.

[0028] Embodiment 4:

[0029] The straight groove connecting block 14 of the utility model slides inside the vertical sliding straight groove 13, the claw block extension rod 24 is adapted to the claw avoidance groove 19, the claw block extension rod 24 is connected to the claw avoidance groove 19, the claw block extension rod 24 slides inside the claw avoidance groove 19, and the claw block extension rod 24 slides inside the claw avoidance groove 19, so that the claw block extension rod 24 can continue to retreat through the claw avoidance groove 19 after retreating to the limit position, thereby ensuring the motion range of the claw connecting block 22, so that this device can perform clamping operations on more models of wheel hubs 1 to be painted, and enhancing the adaptability of this device, the claw block extension rod 24 has an inner clamping connecting rod platform 23 inside, and the connecting rod avoidance hole 26 has an outer clamping connecting platform 30 inside, one side of the clamping linkage rod 25 is rotatably connected to the inner clamping connecting rod platform 23, and the other side of the clamping linkage rod 25 is rotatably connected to the outer clamping connecting platform 30.

[0030] Embodiment 5:

[0031] The utility model describes a claw connecting block 22 with a cylindrical claw 20 on the side, which is pressed against the side of the wheel hub 1 to be painted, and a blocking block 18 covers the upper part of the wheel hub 1 to be painted. The blocking block 18 and the main bearing ring 2 are designed in a split manner. After the cylindrical claw 20 completes the clamping operation of wheel hubs 1 of different models to be painted, blocking blocks 18 of different models can be freely replaced, so that the device can perform painting operations on wheel hubs 1 of different models to be painted, thereby ensuring the adaptability of the device. A blocking block connecting ear 17 is provided on the side of the blocking block 18, and a claw connecting column 21 is provided at the bottom of the blocking block connecting ear 17. The claw connecting column 21 is adapted to the cylindrical claw 20, and the claw connecting column 21 is connected to the cylindrical claw 20, and the claw connecting column 21 is inserted into the inside of the cylindrical claw 20.

[0032] Embodiment 6:

[0033] The utility model installation steps are as follows: insert the clamping drive ring 16 into the main bearing ring 2, insert the inner driving connecting rod platform 10 of the clamping drive ring 16 into the connecting rod platform connecting groove 9 of the main bearing ring 2, insert the arc groove connecting block 15 of the clamping drive ring 16 into the horizontal sliding arc groove 12 of the main bearing ring 2, insert the straight groove connecting block 14 of the claw connecting block 22 into the vertical sliding straight groove 13 of the main bearing ring 2, rotate one side of the clamping linkage rod 25 with the outer clamping connecting platform 30 of the clamping drive ring 16, and rotate the other side of the clamping linkage rod 25 with the inner clamping connecting rod platform 23 of the claw connecting block 22. The screw connecting column 27 of the driving screw 4 is rotationally connected to the screw connecting groove 28 of the main bearing ring 2, the screw connecting block 6 is threadedly connected to the driving screw 4, the side of the driving connecting rod 8 is rotationally connected to the inner driving connecting rod platform 10, and the other side of the driving connecting rod 8 is rotationally connected to the outer driving connecting rod platform 7 of the screw connecting block 6, the driving button 5 is rotated to drive the cylindrical claw 20 of the claw connecting block 22 to be pressed against the side of the wheel hub 1 to be painted, the blocking block 18 is placed on the upper part of the wheel hub 1 to be painted, and the claw connecting column 21 of the blocking block 18 is inserted into the cylindrical claw 20 of the claw connecting block 22, and the installation of this device is completed.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A wheel hub paint shielding tool, characterized by The invention comprises a wheel hub to be painted (1), a main bearing ring (2), a driving screw (4), a screw connecting block (6), a driving connecting rod (8), a clamping driving ring (16), a blocking block (18), a claw connecting block (22), and a clamping linkage rod (25), wherein the middle of the main bearing ring (2) is provided with a connecting rod avoidance ring groove (29), the main bearing ring (2) is adapted to the clamping driving ring (16), the main bearing ring (2) is connected to the clamping driving ring (16), the clamping driving ring (16) rotates inside the main bearing ring (2), the outer side of the clamping driving ring (16) is provided with an inner driving connecting rod platform (10), the outer side of the main bearing ring (2) is provided with a screw mounting platform (3) and a connecting rod platform connecting groove (9), the screw mounting platform (3) is in a central position, the connecting rod platform connecting groove (9) is located on the side of the screw mounting platform (3), the inner driving connecting rod platform (10) is adapted to the connecting rod platform connecting groove (9), the inner driving connecting rod platform (10) is connected to the connecting rod platform connecting groove (9), the inner driving connecting rod platform (10) slides inside the connecting rod platform connecting groove (9), the screw mounting platform (3) has a screw connecting groove (28) inside, one side of the driving screw (4) has a screw connecting column (27), the screw connecting column (27) is rotatably connected to the screw connecting groove (28), the other side of the driving screw (4) has a driving button (5), and the screw connecting block (6) is threadedly connected to the driving screw (4).

2. The wheel hub paint shielding tooling according to claim 1 is characterized by: The screw rod connecting block (6) has an outer driving connecting rod platform (7) on its side, the driving connecting rod (8) is rotatably connected to the inner driving connecting rod platform (10) on its left side, and the driving connecting rod (8) is rotatably connected to the outer driving connecting rod platform (7) on its right side, and the clamping driving ring (16) has arc groove connecting blocks (15) on both upper and lower sides, and three groups of arc groove connecting blocks (15) are evenly arranged around the clamping driving ring (16), and the surface of the clamping driving ring (16) has a claw avoidance groove (19), a connecting rod avoidance groove (19), and a connecting rod avoidance groove (19). The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods. The main bearing ring (2) has a plurality of connecting rods and a plurality of connecting rods.

3. The wheel hub paint shielding tooling according to claim 2 is characterized by: The surface of the linkage mounting platform (11) has a horizontal sliding arc groove (12) and a vertical sliding straight groove (13), the vertical sliding straight groove (13) is in a central position, the horizontal sliding arc groove (12) is located on the side of the vertical sliding straight groove (13), the arc groove connecting block (15) is adapted to the horizontal sliding arc groove (12), the arc groove connecting block (15) is connected to the horizontal sliding arc groove (12), the arc groove connecting block (15) slides inside the horizontal sliding arc groove (12), the claw connecting block (22) has a claw block extension rod (24) at the rear, the claw block extension rod (24) has straight groove connecting blocks (14) on the upper and lower sides, the straight groove connecting block (14) is adapted to the vertical sliding straight groove (13), and the straight groove connecting block (14) is connected to the vertical sliding straight groove (13).

4. The wheel hub paint shielding tooling according to claim 3 is characterized by: The straight groove connecting block (14) slides inside the vertical sliding straight groove (13), the claw block extension rod (24) is adapted to the claw avoidance groove (19), the claw block extension rod (24) is connected to the claw avoidance groove (19), the claw block extension rod (24) slides inside the claw avoidance groove (19), the claw block extension rod (24) has an inner clamping connecting rod platform (23), the connecting rod avoidance hole (26) has an outer clamping connecting platform (30), one side of the clamping linkage rod (25) is rotatably connected to the inner clamping connecting rod platform (23), and the other side of the clamping linkage rod (25) is rotatably connected to the outer clamping connecting platform (30).

5. The wheel hub paint shielding tooling according to claim 4 is characterized by: The side of the claw connection block (22) has a cylindrical claw (20), the cylindrical claw (20) is pressed against the side of the wheel hub (1) to be painted, the shielding block (18) covers the upper part of the wheel hub (1) to be painted, the side of the shielding block (18) has a shielding block connecting ear (17), the bottom of the shielding block connecting ear (17) has a claw connection column (21), the claw connection column (21) is adapted to the cylindrical claw (20), the claw connection column (21) is connected to the cylindrical claw (20), and the claw connection column (21) is inserted into the inside of the cylindrical claw (20).

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