Multi-specification nut tightening device for wheels

Abstract

The utility model discloses a multi-specification nut screwing device for wheels, which comprises a fixing plate, a supporting column is fixedly connected onto the fixing plate, a placing column is fixedly connected onto a lifting column, a motor is arranged on the placing column, the output end of the motor is connected with a rotating roller, and the rotating roller is connected with a rotating shaft. A sliding groove is formed in the tightening ring, a sliding movable fixing block is arranged in the sliding groove, a first rotating gear is fixedly connected to the rotating roller, a plurality of rotating columns are rotationally connected to the interior of the containing column, second rotating gears are fixedly connected to the rotating columns, and tightening rings are fixedly connected to the rotating columns. By arranging the movable fixing blocks, adjustment can be conducted according to nuts of different sizes, by arranging the ring-shaped springs and the supporting springs, the movable fixing blocks can extrude and fix the nuts, so that threads can be tightened conveniently, and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nut tightening, in particular to a multi-specification nut tightening device for wheels. Background Art

[0002] In the prior art automobile manufacturing industry, the tightening machine used to tighten the bolts and nuts of automobile wheel assemblies is a special machine dedicated to processing the wheel assembly of a special model, and has a single purpose;

[0003] Referring to the bolt and nut combined tightening machine displacement mechanism with application number CN01268433.3, the device is provided with fixed through holes and at least one set of rotating devices on the end surface of the main turntable. For the changes in the center position or number of bolts and nuts on the wheel assembly of different models of automobiles, the bolts and nuts at different positions and numbers can be connected and tightened by adjusting the rotating device. The operation is convenient and fast, the application range is wide, and one machine can be used for multiple purposes, reducing the equipment capital investment of automobile manufacturers;

[0004] Most of the existing automobile wheel nuts are different, and the tightening size of the tightening mechanism is mostly fixed, and different nuts cannot be tightened. At the same time, the existing tightening mechanism cannot be adjusted according to the different wheel heights, which makes it inconvenient to tighten the nuts.

[0005] For this purpose, we have designed a multi-specification nut tightening device for wheels. Utility Model Content

[0006] The utility model aims to solve the problems in the prior art that the tightening size of the tightening mechanism is mostly fixed and the tightening mechanism cannot be adjusted according to the different wheel heights, and proposes a multi-specification nut tightening device for wheels.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A multi-specification nut tightening device for wheels comprises a fixing plate, a supporting column is fixedly connected to the fixing plate, a lifting slot is provided on the supporting column, and a lifting column for lifting is provided in the lifting slot, a placing column is fixedly connected to the lifting column, a lifting and fixing device is provided on the supporting column, a motor is provided on the placing column, and a rotating roller is connected to the output end of the motor, a first rotating gear is fixedly connected to the rotating roller, a plurality of rotating columns are rotatably connected in the placing column, and a second rotating gear is fixedly connected to the rotating columns, a tightening ring is fixedly connected to the rotating columns, and an automatic tightening device is provided on the tightening ring.

[0009] Preferably, the lifting and fixing device includes fixing holes evenly arranged in a straight line on the lifting column, and a sliding fixing column is provided in the fixing hole, a return spring is provided on the fixing column, and the other end of the return spring is fixedly connected to the support column, and the fixing column fixes the lifting column through the fixing hole.

[0010] Preferably, the automatic tightening device includes a sliding groove on the tightening ring, and a sliding movable fixed block is provided in the sliding groove, a supporting spring is provided on the movable fixed block, and the other end of the supporting spring is fixedly connected to the tightening ring, a placement groove is provided on the movable fixed block, and a ring spring is provided in the placement groove, and the movable fixed block slides in the tightening ring through the sliding groove.

[0011] Preferably, the lifting column is lifted and lowered in the supporting column through a lifting slot.

[0012] Preferably, the motor provides power for the rotating roller, and the rotating roller is rotated by the motor.

[0013] Preferably, the first rotating gear is meshed with the second rotating gear for transmission, and the second rotating gear is rotated by the first rotating gear.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model adopts a sliding groove on the tightening ring, and a sliding movable fixed block is arranged in the sliding groove. The movable fixed block can be adjusted according to nuts of different sizes, and the arrangement of the ring spring and the support spring enables the movable fixed block to squeeze and fix the nut, thereby facilitating the tightening of the thread and effectively improving the work efficiency.

[0016] 2. The utility model adopts a lifting groove on the support column, and the lifting column is lifted and lowered in the lifting groove to facilitate adjustment according to different wheel heights, so that the tightening device can align with the nut to tighten it, effectively improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a multi-specification nut tightening device for wheels proposed by the utility model;

[0018] Figure 2 This is a cross-sectional view of a multi-specification nut tightening device for wheels proposed by the utility model;

[0019] Figure 3 It is a structural schematic diagram of a tightening device in a multi-specification nut tightening device for wheels;

[0020] Figure 4 The present invention is a cross-sectional view of a tightening device in a multi-specification nut tightening device for wheels.

[0021] In the figure: 1 fixed plate, 2 support column, 3 lifting column, 4 placement column, 5 fixed hole, 6 fixed column, 7 return spring, 8 motor, 9 rotating roller, 10 first rotating gear, 11 rotating column, 12 second rotating gear, 13 tightening ring, 14 movable fixed block, 15 coil spring, 16 support spring. DETAILED DESCRIPTION

[0022] Reference Figure 1-Figure 4 A multi-specification nut tightening device for wheels, comprising a fixing plate 1, a support column 2 is fixedly connected to the fixing plate 1, a lifting slot is provided on the support column 2, and a lifting column 3 is provided in the lifting slot. The lifting column 3 is lifted and lowered in the support column 2 through the lifting slot, a placement column 4 is fixedly connected to the lifting column 3, and a lifting and fixing device is provided on the support column 2. The lifting and lowering of the lifting column 3 in the lifting and lowering slot causes the placement column 4 fixedly connected to the lifting column 3 to be lifted and lowered. The lifting and lowering of the placement column 4 is convenient for adjustment according to different wheel heights, so that the tightening device can align with the nut to tighten it, effectively improving work efficiency;

[0023] The placement column 4 is provided with a motor 8, and the output end of the motor 8 is connected to a rotating roller 9, the motor 8 provides power for the rotating roller 9, and the rotating roller 9 is rotated by the motor 8, and the rotating roller 9 is fixedly connected with a first rotating gear 10, and a plurality of rotating columns 11 are rotatably connected in the placement column 4, and the rotating columns 11 are all fixedly connected with a second rotating gear 12, the first rotating gear 10 is meshed with the second rotating gear 12 for transmission, and the second rotating gear 12 is rotated by the first rotating gear 10, and the rotating columns 11 are all fixedly connected with a tightening ring 13, and the tightening ring 13 is provided with an automatic tightening device, and the rotating The roller 9 is rotated by the motor 8. The rotation of the rotating roller 9 causes the first rotating gear 10 fixedly connected to the rotating roller 9 to rotate. The rotation of the first rotating gear 10 causes the second rotating gear 12 meshing with the first rotating gear 10 to rotate. The rotation of the second rotating gear 12 causes the rotating column 11 fixedly connected to the second rotating gear 12 to rotate. The rotation of the rotating column 11 causes the tightening ring 13 fixedly connected to the rotating column 11 to rotate. The arrangement of the first rotating gear 10 causes the plurality of second rotating gears 12 to rotate, thereby causing the tightening ring 13 to rotate simultaneously, so that the nut can be tightened quickly.

[0024] The lifting and fixing device includes fixed holes 5 evenly arranged in a straight line on the lifting column 3, and a sliding fixed column 6 is arranged in the fixed hole 5, and a reset spring 7 is arranged on the fixed column 6, and the other end of the reset spring 7 is fixedly connected to the support column 2, and the fixed column 6 fixes the lifting column 3 through the fixed hole 5, and the fixed column 6 is pulled to slide the fixed hole 5, so that the lifting column 3 is lifted and lowered in the lifting slot, and the fixed column 6 is released, so that the fixed column 6 fixes the lifting column 3 through the fixed hole 5 under the action of the reset spring 7;

[0025] Reference Figure 4 The automatic tightening device includes a sliding groove on the tightening ring 13, and a sliding movable fixed block 14 is provided in the sliding groove, a supporting spring 16 is provided on the movable fixed block 14, and the other end of the supporting spring 16 is fixedly connected to the tightening ring 13, a placing groove is provided on the movable fixed block 14, and a ring spring 15 is provided in the placing groove, the movable fixed block 14 slides in the tightening ring 13 through the sliding groove, and the ring spring 15 is in a tightened state. When the nut is larger, the movable fixed block 14 slides in the sliding groove, so that the movable fixed block 14 squeezes the supporting spring 16 and the ring spring 15, and the nut is squeezed and fixed by the support and tension of the supporting spring 16 and the ring spring 15, so as to facilitate the tightening of the thread and effectively improve the work efficiency.

[0026] The working principle of the utility model is as follows: first, the fixing plate 1 is placed on the wheel that needs to tighten the nut, and the fixing column 6 is pulled to make the fixing column 6 slide the fixing hole 5, so that the lifting column 3 is lifted and lowered in the lifting slot, and the lifting and lowering of the lifting column 3 in the lifting slot makes the placement column 4 lift and lower. The lifting and lowering of the placement column 4 is convenient for adjustment according to the different wheel heights, so that the tightening device can align with the nut to tighten, effectively improving the work efficiency, and loosening the fixing column 6 so that the fixing column 6 fixes the lifting column 3 through the fixing hole 5 under the action of the reset spring 7;

[0027] Further, the rotating roller 9 is rotated by the motor 8, the rotation of the rotating roller 9 causes the first rotating gear 10 to rotate, the rotation of the first rotating gear 10 causes the second rotating gear 12 to rotate, the rotation of the second rotating gear 12 causes the rotating column 11 to rotate, the rotation of the rotating column 11 causes the tightening ring 13 to rotate, the setting of the first rotating gear 10 causes the plurality of second rotating gears 12 to rotate, thereby causing the tightening ring 13 to rotate simultaneously, so that the nut can be tightened quickly;

[0028] Furthermore, the coil spring 15 is in a tightened state. When the nut is larger, the movable fixed block 14 slides in the sliding groove, so that the movable fixed block 14 squeezes the support spring 16 and the coil spring 15. The nut is squeezed and fixed by the support and tension of the support spring 16 and the coil spring 15, which makes it easier to tighten the thread and effectively improves work efficiency.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-specification nut tightening device for a wheel, comprising a fixing plate (1), characterized in that: The fixing plate (1) is fixedly connected to a support column (2), a lifting slot is provided on the support column (2), and a lifting column (3) is provided in the lifting slot, a placement column (4) is fixedly connected to the lifting column (3), a lifting and fixing device is provided on the support column (2), a motor (8) is provided on the placement column (4), and a rotating roller (9) is connected to the output end of the motor (8), a first rotating gear (10) is fixedly connected to the rotating roller (9), a plurality of rotating columns (11) are rotatably connected in the placement column (4), and each rotating column (11) is fixedly connected to a second rotating gear (12), each rotating column (11) is fixedly connected to a tightening ring (13), and an automatic tightening device is provided on the tightening ring (13).

2. A multi-specification nut tightening device for wheels according to claim 1, characterized in that: The lifting and fixing device comprises fixing holes (5) uniformly arranged in a straight line on the lifting column (3), and a sliding fixing column (6) is arranged in the fixing hole (5), a return spring (7) is arranged on the fixing column (6), and the other end of the return spring (7) is fixedly connected to the support column (2), and the fixing column (6) fixes the lifting column (3) through the fixing hole (5).

3. A multi-specification nut tightening device for wheels according to claim 1, characterized in that: The automatic tightening device comprises a sliding groove formed on a tightening ring (13), a sliding movable fixed block (14) is arranged in the sliding groove, a supporting spring (16) is arranged on the movable fixed block (14), and the other end of the supporting spring (16) is fixedly connected to the tightening ring (13), a placement groove is formed on the movable fixed block (14), and a ring spring (15) is arranged in the placement groove, and the movable fixed block (14) slides in the tightening ring (13) through the sliding groove.

4. A multi-specification nut tightening device for wheels according to claim 1, characterized in that: The lifting column (3) is lifted and lowered in the support column (2) through the lifting slot.

5. The multi-specification nut tightening device for wheels according to claim 1, characterized in that: The motor (8) provides power for the rotating roller (9), and the rotating roller (9) is rotated by the motor (8).

6. A multi-specification nut tightening device for wheels according to claim 1, characterized in that: The first rotating gear (10) is meshed with the second rotating gear (12) for transmission, and the second rotating gear (12) is rotated by the first rotating gear (10).

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