Rim flatness correcting device

Abstract

The utility model discloses a rim planeness correcting device which comprises a base and a rim, a fixing structure is installed on the base, and the fixing structure comprises a threaded rod, a limiting plate, a circular plate and a threaded hole. A round groove is formed in the base, a bearing is installed in the round groove, the threaded rod is installed in an inner ring of the bearing, the limiting plate is installed on the threaded rod, the threaded hole is formed in the round plate, the rim is arranged on the threaded rod in a sleeving mode, and the threaded rod is connected into the threaded hole in a sleeving mode. The rim is arranged on the threaded rod in a sleeving mode, the threaded rod is connected with the threaded hole in the circular plate in a sleeving mode, the rim abuts against the limiting plate to be fixed, the threaded rod rotates on the base through the bearing, the rim is made to rotate, the rim can be detached according to the circular plate, and the rims of different specifications and sizes can be fixed. After the rim is fixed, the air cylinder drives the repairing roller to move downwards through the connecting block and press the middle position of the rim, and the rim can be rotated, corrected and repaired along with rotation of the rim.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel rims, in particular to a wheel rim flatness correction device. Background Art

[0002] The rim, commonly known as the wheel rim, is a component on the wheel that mounts and supports the tire around it, and together with the spokes, forms a wheel. The rim and the spokes can be integral, permanently connected, or detachable. They are easy to use and widely used in the automotive field. The flatness of the rim requires tools to correct and repair. However, during use, the current rim flatness correction device is inconvenient to correct and repair the flatness by rotating the rim due to the circular rim. It is also inconvenient to fix rims of different sizes for correction and repair. Utility Model Content

[0003] The utility model aims to provide a rim flatness correction device.

[0004] To achieve the above object, the utility model provides the following technical solutions: a rim flatness correction device, comprising a base and a rim, a fixing structure is installed on the base, and the fixing structure comprises a threaded rod, a limit plate, a circular plate and a threaded hole;

[0005] A circular groove is provided on the base, a bearing is installed in the circular groove, the threaded rod is installed in the inner ring of the bearing, the limit plate is installed on the threaded rod, the threaded hole is provided on the circular plate, the rim is sleeved on the threaded rod, and the threaded rod is sleeved in the threaded hole;

[0006] A repair structure is installed on the base, and the repair structure includes a support plate, a cylinder, a connecting block and a repair roller;

[0007] The support plate is installed on the base, the cylinder is installed on the support plate, the connection block is installed on the output end of the cylinder, and the repair roller is installed on the connection block.

[0008] Preferably, an auxiliary structure is installed on the base, and the auxiliary structure includes a U-shaped frame, a pin and a roller;

[0009] The roller is rotatably connected to the U-shaped frame through a pin shaft, and the U-shaped frame is installed on the base.

[0010] Preferably, a mounting groove is provided on the base, an electric push rod is installed in the mounting groove, and the U-shaped frame is installed on the output end of the electric push rod.

[0011] Preferably, the threaded rod is driven by a driving structure, and the driving structure includes a base and a servo motor;

[0012] The machine base is installed on the pedestal, the servo motor is installed on the machine base, and the threaded rod is connected to the output shaft of the servo motor.

[0013] Preferably, the connecting block is mounted on the output end of the cylinder via a connecting piece, and the connecting piece includes a bolt and a threaded groove;

[0014] The bolt is installed on the connecting block, the thread groove is arranged on the output end of the cylinder, and the bolt is sleeved in the thread groove.

[0015] Preferably, a tripod is mounted on the support plate, and the cylinder is connected to the tripod.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the rim flatness correction device has the following advantages compared with the traditional technology:

[0017] 1. Put the rim on the threaded rod, put the threaded hole on the circular plate on the threaded rod, and fix the rim on the limit plate. The threaded rod rotates on the base through the bearing to make the rim rotate. According to the disassembly of the circular plate, rims of different sizes can be fixed. After the rim is fixed, the cylinder drives the repair roller to move downward through the connecting block and presses it on the middle position of the rim. Then, as the rim rotates, the rim can be corrected and repaired.

[0018] 2. During the rim correction and repair process, the electric push rod drives the roller upward through the U-shaped frame until it contacts the middle surface of the rim. As the rim rotates, the roller rotates on the U-shaped frame through the pin shaft, providing a support point for the rim correction and repair, and allowing the rim to rotate smoothly for correction and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the U-shaped frame, pin shaft and roller of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the threaded rod, the limiting plate and the circular plate of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the cylinder, connecting block and repair roller of the utility model.

[0023] In the figure: 1, base, 2, circular groove, 3, bearing, 4, fixing structure, 401, threaded rod, 402, limit plate, 403, circular plate, 404, threaded hole, 5, rim, 6, driving structure, 7, machine base, 8, servo motor, 9, support plate, 10, cylinder, 11, connecting block, 12, repair roller, 13, repair structure, 14, tripod, 15, U-shaped frame, 16, pin shaft, 17, roller, 18, electric push rod, 19, mounting groove, 20, auxiliary structure, 21, bolt, 22, threaded groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 , the utility model provides a technical solution: a rim flatness correction device, comprising a base 1 and a rim 5, a fixing structure 4 is installed on the base 1, and the fixing structure 4 comprises a threaded rod 401, a limiting plate 402, a circular plate 403 and a threaded hole 404;

[0026] A circular groove 2 is provided on the base 1, a bearing 3 is installed in the circular groove 2, a threaded rod 401 is installed in the inner ring of the bearing 3, a limiting plate 402 is installed on the threaded rod 401, a threaded hole 404 is provided on the circular plate 403, a rim 5 is sleeved on the threaded rod 401, the threaded rod 401 is sleeved in the threaded hole 404, the rim 5 is sleeved on the threaded rod 401, the threaded hole 404 on the circular plate 403 is sleeved on the threaded rod 401, and the rim 5 is fixed on the limiting plate 402, and the threaded rod 401 rotates on the base 1 through the bearing 3 to rotate the rim 5, and the rim 5 of different sizes can be fixed by disassembling the circular plate 403;

[0027] A repair structure 13 is installed on the base 1, and the repair structure 13 includes a support plate 9, a cylinder 10, a connecting block 11 and a repair roller 12;

[0028] The support plate 9 is installed on the base 1, the cylinder 10 is installed on the support plate 9, the air inlet and outlet holes on the cylinder 10 are connected to the external air pump through pipes respectively, the connecting block 11 is installed on the output end of the cylinder 10, and the repair roller 12 is installed on the connecting block 11. After the rim 5 is fixed, the cylinder 10 drives the repair roller 12 to move downward through the connecting block 11 and presses it on the middle position of the rim 5. Then, as the rim 5 rotates, the rim 5 can be corrected and repaired.

[0029] An auxiliary structure 20 is installed on the base 1, and the auxiliary structure 20 includes a U-shaped frame 15, a pin shaft 16 and a roller 17;

[0030] The roller 17 is rotatably connected to the U-shaped frame 15 through a pin shaft 16 . The U-shaped frame 15 is smaller than the middle position of the rim 5 . The U-shaped frame 15 is installed on the base 1 .

[0031] A mounting groove 19 is provided on the base 1, and an electric push rod 18 is installed in the mounting groove 19. The electric push rod 18 works when powered on. The U-shaped frame 15 is installed on the output end of the electric push rod 18. The electric push rod 18 drives the roller 17 to move upward through the U-shaped frame 15 until it contacts the middle surface of the rim 5. As the rim 5 rotates, the roller 17 rotates on the U-shaped frame 15 through the pin 16, providing a support point for the correction and repair of the rim 5, and allowing the rim 5 to rotate smoothly for correction and repair.

[0032] The threaded rod 401 is driven by a driving structure 6, which includes a base 7 and a servo motor 8;

[0033] The machine base 7 is installed on the base 1 , the servo motor 8 is installed on the machine base 7 , the servo motor 8 is powered to work, the threaded rod 401 is connected to the output shaft of the servo motor 8 , and the output shaft of the servo motor 8 drives the threaded rod 401 to rotate.

[0034] The connecting block 11 is mounted on the output end of the cylinder 10 through a connecting piece, and the connecting piece includes a bolt 21 and a thread groove 22;

[0035] The bolt 21 is installed on the connecting block 11, and the thread groove 22 is opened on the output end of the cylinder 10. The bolt 21 is sleeved in the thread groove 22. The bolt 21 on the connecting block 11 is screwed into the thread groove 22 on the output end of the cylinder 10, so that the repair roller 12 can be installed. Otherwise, it can be disassembled and the repair roller 12 of the corresponding size can be replaced according to the size of the middle position of the rim 5.

[0036] A tripod 14 is mounted on the support plate 9 , and the cylinder 10 is connected to the tripod 14 . The tripod 14 makes the cylinder 10 mounted on the support plate 9 more stable.

[0037] When using the wheel rim flatness correction device, firstly, the wheel rim 5 is sleeved on the threaded rod 401, the threaded hole 404 on the circular plate 403 is sleeved on the threaded rod 401, and the wheel rim 5 is fixed on the limit plate 402, and the output shaft of the servo motor 8 drives the threaded rod 401 to rotate, and the threaded rod 401 rotates on the base 1 through the bearing 3, so that the wheel rim 5 rotates. After the wheel rim 5 is fixed, the cylinder 10 drives the repair roller 12 to move downward through the connecting block 11 and presses it on the middle position of the wheel rim 5. Then, as the wheel rim 5 rotates, the wheel rim 5 can be corrected and repaired. The electric push rod 18 drives the roller 17 to move upward through the U-shaped frame 15 until it contacts the middle surface of the wheel rim 5. Then, as the wheel rim 5 rotates, the roller 17 rotates on the U-shaped frame 15 through the pin 16, so as to provide a support point for the correction and repair of the wheel rim 5, and enable the wheel rim 5 to rotate smoothly for correction and repair.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rim flatness correction device, comprising a base (1) and a rim (5), characterized in that: A fixing structure (4) is installed on the base (1), and the fixing structure (4) comprises a threaded rod (401), a limiting plate (402), a circular plate (403) and a threaded hole (404); The base (1) is provided with a circular groove (2), a bearing (3) is installed in the circular groove (2), the threaded rod (401) is installed in the inner ring of the bearing (3), the limiting plate (402) is installed on the threaded rod (401), the threaded hole (404) is provided on the circular plate (403), the rim (5) is sleeved on the threaded rod (401), and the threaded rod (401) is sleeved in the threaded hole (404); A repair structure (13) is installed on the base (1), and the repair structure (13) comprises a support plate (9), a cylinder (10), a connecting block (11) and a repair roller (12); The support plate (9) is mounted on the base (1), the cylinder (10) is mounted on the support plate (9), the connection block (11) is mounted on the output end of the cylinder (10), and the repair roller (12) is mounted on the connection block (11).

2. A rim flatness correction device according to claim 1, characterized in that: An auxiliary structure (20) is installed on the base (1), and the auxiliary structure (20) comprises a U-shaped frame (15), a pin shaft (16) and a roller (17); The roller (17) is rotatably connected to the U-shaped frame (15) via a pin shaft (16), and the U-shaped frame (15) is mounted on the base (1).

3. A rim flatness correction device according to claim 2, characterized in that: The base (1) is provided with a mounting groove (19), an electric push rod (18) is installed in the mounting groove (19), and the U-shaped frame (15) is installed on the output end of the electric push rod (18).

4. A rim flatness correction device according to claim 1, characterized in that: The threaded rod (401) is driven by a driving structure (6), and the driving structure (6) includes a machine base (7) and a servo motor (8); The machine base (7) is mounted on the base (1), the servo motor (8) is mounted on the machine base (7), and the threaded rod (401) is connected to the output shaft of the servo motor (8).

5. A rim flatness correction device according to claim 1, characterized in that: The connecting block (11) is mounted on the output end of the cylinder (10) via a connecting piece, wherein the connecting piece comprises a bolt (21) and a thread groove (22); The bolt (21) is installed on the connecting block (11), the thread groove (22) is opened on the output end of the cylinder (10), and the bolt (21) is sleeved in the thread groove (22).

6. A rim flatness correction device according to claim 1, characterized in that: A tripod (14) is installed on the support plate (9), and the cylinder (10) is connected to the tripod (14).

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