A wheel hub polishing workbench and its fixing structure

Abstract

The present invention relates to the technical field of wheel hub polishing, and discloses a wheel hub polishing workbench and its fixing structure, including a workbench body, a polishing position adjustment mechanism is provided above the workbench body, the polishing position adjustment mechanism includes a turntable, the outer wall of the turntable is movably sleeved above the inside of the workbench body, and a motor and a worm gear reducer are fixedly installed on the right side below the inner wall of the workbench body. The present invention facilitates driving six arc-shaped positioning plates to expand or contract synchronously by adopting the coordination of a positioning table, a mounting groove, a limiting groove, a rotating shaft, an active bevel gear, a driven bevel gear, a mounting plate, a screw, a positioning block, a connecting rod, a protective cover, a knob, a worm and a worm wheel, so that the six arc-shaped positioning plates can be pressed against the inner wall of the wheel hub to fix the wheel hub, thereby increasing the stability of the wheel hub during polishing, and because the arc-shaped positioning plates are pressed against the inner wall of the wheel hub, the operation of polishing the outer wall of the wheel hub by the staff will not be affected.

Description

Technical Field

[0001] The invention relates to the technical field of wheel hub polishing, and more specifically to a wheel hub polishing workbench and a fixing structure thereof. Background Art

[0002] The wheel hub is a cylindrical metal part that supports the tire with its inner profile, usually mounted on an axle. It is also called a rim, steel ring, wheel or tire bell. The main function of the wheel hub is to fix the tire, bear the weight of the vehicle, and provide shock absorption and cushioning. Common materials for wheel hubs include steel and alloy. The wheel hub polishing table is a device specially used for polishing and grinding automobile wheels. It is mainly used for surface treatment of automobile wheels to improve their appearance quality and durability.

[0003] Some wheel hubs can be repaired by grinding and polishing after being scratched. At this time, the wheel hub needs to be placed on a polishing workbench, and the staff can use a handheld polishing machine or other tools for polishing and grinding according to needs. However, when polishing and grinding the wheel hub, an external fixation method is usually adopted, and the outer wall of the wheel hub is clamped and fixed with a clamp. However, the clamp is clamped on the outer wall of the wheel hub, which is easy to affect the staff's operation of polishing the wheel hub or cover the polishing part, which is inconvenient and needs to be improved. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a wheel hub polishing workbench and a fixing structure thereof to solve the problems existing in the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a wheel hub polishing workbench, comprising a workbench body, a polishing position adjustment mechanism is provided above the workbench body, the polishing position adjustment mechanism comprises a turntable, the outer wall of the turntable is movably sleeved on the upper part of the interior of the workbench body, a motor and a worm gear reducer are fixedly installed on the right side below the inner wall of the workbench body, the output end of the motor is fixedly installed on the input end of the worm gear reducer, and a driving gear is fixedly installed on the output end of the worm gear reducer, a connecting shaft is provided in the middle of the inner cavity of the workbench body, and the top end of the connecting shaft is fixedly connected to the middle of the bottom of the turntable.

[0006] Furthermore, the bottom end of the connecting shaft is rotatably mounted in the middle of the bottom of the inner cavity of the workbench body through a bearing, and a driven gear is fixedly sleeved on the outer wall of the connecting shaft. The driven gear is located on one side of the driving gear, and the driven gear is meshed with the driving gear.

[0007] Furthermore, a plurality of limit sliders are fixedly connected to the lower part of the outer wall of the turntable, an annular slide groove is provided above the inner wall of the workbench body, and the outer wall of the limit slider is slidably connected to the inside of the annular slide groove.

[0008] A wheel hub polishing fixed structure includes a positioning platform, support frames are fixedly installed on both sides of the bottom of the positioning platform, the bottom of the support frame is fixedly installed on the top of the turntable, six arc-shaped positioning plates are provided on the outside of the positioning platform, the six arc-shaped positioning plates are evenly distributed on the outside of the positioning platform, the outer walls of the six arc-shaped positioning plates are fixedly connected with anti-slip pads, a mounting groove is provided in the middle part of the interior of the positioning platform, six limit grooves are provided inside the positioning platform, one ends of the six limit grooves are communicated with the interior of the mounting groove, the six limit grooves are distributed in the shape of a cross in the interior of the positioning platform, the interiors of the six limit grooves are slidably connected with positioning blocks, one side of the positioning block is fixedly connected with a connecting rod, one end of the connecting rod extends to the outside of the positioning platform and is fixedly connected to the inner wall of the arc-shaped positioning plate.

[0009] Furthermore, a protective cover is fixedly connected to the middle part of the bottom of the positioning platform, and a worm and a worm wheel are provided inside the protective cover. The worm and the worm wheel are meshed with each other. The left end of the worm is rotatably installed on the left side of the inner wall of the protective cover through a bearing, and the right end of the worm extends to the right side of the protective cover and is fixedly connected to a knob.

[0010] Furthermore, a rotating shaft is provided inside the mounting groove, the top end of the rotating shaft is rotatably mounted on the top of the inner wall of the mounting groove through a bearing, the bottom end of the rotating shaft extends to the inside of the protective cover, the bottom end of the rotating shaft is rotatably mounted on the bottom of the inner wall of the rotating shaft through a bearing, and the inner part of the worm gear is fixedly sleeved below the outer wall of the rotating shaft.

[0011] Furthermore, a driving bevel gear is provided inside the mounting groove, and the interior of the driving bevel gear is fixedly sleeved on the top of the outer wall of the rotating shaft, and six driven bevel gears are meshed below the driving bevel gear, and the six driven bevel gears are evenly distributed below the driving bevel gear, and a screw rod is provided inside the six limiting grooves, and the internal thread of the positioning block is sleeved on the outer wall of the screw rod, and a mounting plate is fixedly installed on one side of the limiting groove, and the outer wall of the screw rod is rotatably installed inside the mounting plate through a bearing, one end of the screw rod is fixedly connected to one side of the driven bevel gear, and the other end of the screw rod is rotatably installed on the other side of the inner wall of the limiting groove through a bearing.

[0012] Technical effects and advantages of the present invention: 1. The present invention facilitates driving six arc-shaped positioning plates to expand or contract synchronously by using the coordination of the positioning platform, the mounting groove, the limiting groove, the rotating shaft, the active bevel gear, the driven bevel gear, the mounting plate, the screw rod, the positioning block, the connecting rod, the protective cover, the knob, the worm and the worm wheel. The six arc-shaped positioning plates can be pressed against the inner wall of the wheel hub to fix the wheel hub, thereby increasing the stability of the wheel hub during polishing. Moreover, since the arc-shaped positioning plates are pressed against the inner wall of the wheel hub, the polishing operation of the outer wall of the wheel hub by the staff will not be affected.

[0013] 2. The present invention facilitates driving the positioning table and the wheel hub to rotate, facilitates adjusting the position of the wheel hub during polishing, and facilitates the polishing operation of the staff by using the coordination of the turntable, the motor, the worm gear reducer, the driving gear, the driven gear, the connecting shaft, the limit slider and the annular slide groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention.

[0016] Figure 3 It is a schematic cross-sectional view of the positioning platform, protective cover and arc-shaped positioning plate structure of the present invention.

[0017] Figure 4 It is a schematic diagram of a cross-sectional bottom view of the positioning platform of the present invention.

[0018] Figure 5 It is a top view schematic diagram of the limit sliding block and the annular sliding groove structure of the present invention.

[0019] The accompanying drawings are marked as follows: 1. workbench body; 2. polishing position adjustment mechanism; 21. turntable; 22. motor; 23. worm gear reducer; 24. driving gear; 25. driven gear; 26. connecting shaft; 27. limiting slider; 28. annular slide groove; 3. positioning table; 31. mounting groove; 32. limiting groove; 33. rotating shaft; 34. driving bevel gear; 35. driven bevel gear; 36. mounting plate; 37. screw; 38. positioning block; 39. connecting rod; 4. protective cover; 41. knob; 42. worm; 43. worm wheel; 5. arc positioning plate; 6. anti-slip pad; 7. support frame. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are only examples. The wheel hub polishing workbench and its fixing structure involved in the present invention are not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0021] Embodiment 1: like Figure 1-5As shown, a hub polishing workbench includes a workbench body 1, a polishing position adjustment mechanism 2 is arranged above the workbench body 1, the polishing position adjustment mechanism 2 includes a turntable 21, the outer wall of the turntable 21 is movably sleeved on the upper part of the inside of the workbench body 1, a motor 22 and a worm gear reducer 23 are fixedly installed on the right side below the inner wall of the workbench body 1, the output end of the motor 22 is fixedly installed on the input end of the worm gear reducer 23, and the output end of the worm gear reducer 23 is fixedly installed with a driving gear 24, and a connecting rod 24 is arranged in the middle of the inner cavity of the workbench body 1. The connecting shaft 26 has its top end fixedly connected to the middle of the bottom of the turntable 21, and its bottom end is rotatably mounted on the middle of the bottom of the inner cavity of the workbench body 1 through a bearing. A driven gear 25 is fixedly sleeved on the outer wall of the connecting shaft 26, and the driven gear 25 is located on one side of the driving gear 24. The driven gear 25 is meshed with the driving gear 24. A plurality of limit sliders 27 are fixedly connected to the lower part of the outer wall of the turntable 21, and an annular groove 28 is provided above the inner wall of the workbench body 1, and the outer wall of the limit slider 27 is slidably connected to the inside of the annular groove 28.

[0022] In this embodiment, through the cooperation of the motor 22 and the worm gear reducer 23, it is convenient to drive the driving gear 24 to rotate. While the driving gear 24 rotates, the connecting shaft 26 can be driven to rotate through the driven gear 25. The connecting shaft 26 drives the turntable 21 to rotate. The turntable 21 also drives multiple limit sliders 27 and annular slide grooves 28 to rotate. The setting of the limit sliders 27 and the annular slide grooves 28 is used to maintain the stability of the turntable 21 during rotation. The turntable 21 can stably drive the wheel hub to rotate, which is convenient for adjusting the position of the wheel hub during polishing.

[0023] Embodiment 2: like Figure 1-5As shown, a wheel hub polishing fixed structure includes a positioning platform 3, support frames 7 are fixedly installed on both sides of the bottom of the positioning platform 3, the bottom of the support frame 7 is fixedly installed on the top of the turntable 21, six arc-shaped positioning plates 5 are arranged outside the positioning platform 3, the six arc-shaped positioning plates 5 are evenly distributed outside the positioning platform 3, and the outer walls of the six arc-shaped positioning plates 5 are fixedly connected with anti-slip pads 6, a mounting groove 31 is opened in the middle of the interior of the positioning platform 3, and six limiting grooves 32 are opened inside the positioning platform 3, and one end of the six limiting grooves 32 is aligned with the inside of the mounting groove 31. The six limiting grooves 32 are distributed in the shape of a cross inside the positioning platform 3. The six limiting grooves 32 are slidably connected to the inside of the positioning block 38. A connecting rod 39 is fixedly connected to one side of the positioning block 38. One end of the connecting rod 39 extends to the outside of the positioning platform 3 and is fixedly connected to the inner wall of the arc-shaped positioning plate 5. A protective cover 4 is fixedly connected to the middle of the bottom of the positioning platform 3. A worm 42 and a worm wheel 43 are provided inside the protective cover 4. The worm 42 and the worm wheel 43 are meshed. The left end of the worm 42 is rotatably installed on the left side of the inner wall of the protective cover 4 through a bearing. The worm 42 The right end of the worm gear 43 extends to the right side of the protective cover 4 and is fixedly connected with a knob 41. A rotating shaft 33 is provided inside the mounting groove 31. The top of the rotating shaft 33 is rotatably mounted on the top of the inner wall of the mounting groove 31 through a bearing. The bottom end of the rotating shaft 33 extends to the inside of the protective cover 4. The bottom end of the rotating shaft 33 is rotatably mounted on the bottom of the inner wall of the rotating shaft 33 through a bearing. The inside of the worm gear 43 is fixedly sleeved under the outer wall of the rotating shaft 33. An active bevel gear 34 is provided inside the mounting groove 31. The inside of the active bevel gear 34 is fixedly sleeved above the outer wall of the rotating shaft 33. The active bevel gear 34 is fixedly sleeved on the top of the outer wall of the rotating shaft 33. 4 is meshed with six driven bevel gears 35, and the six driven bevel gears 35 are evenly distributed below the driving bevel gear 34. The six limiting grooves 32 are each provided with a screw rod 37 inside. The inner thread of the positioning block 38 is sleeved on the outer wall of the screw rod 37. A mounting plate 36 is fixedly installed on one side of the limiting groove 32. The outer wall of the screw rod 37 is rotatably installed inside the mounting plate 36 through a bearing. One end of the screw rod 37 is fixedly connected to one side of the driven bevel gear 35, and the other end of the screw rod 37 is rotatably installed on the other side of the inner wall of the limiting groove 32 through a bearing.

[0024] In this embodiment, through the setting of the support frame 7, it is convenient to fix the positioning table 3 on the top of the turntable 21. Through the setting of the knob 41, it is convenient for the staff to rotate the worm 42, and the rotation of the worm 42 can drive the worm wheel 43, the rotating shaft 33 and the active bevel gear 34 to rotate. While the active bevel gear 34 rotates, the six screw rods 37 can be driven to rotate through the six driven bevel gears 35. The six screw rods 37 drive the positioning block 38, the connecting rod 39 and the arc positioning plate 5 to move respectively, so that the six arc positioning plates 5 expand synchronously and abut against the inner wall of the wheel hub, which is convenient for fixing the wheel hub. At the same time, through the setting of the anti-slip pad 6, it is convenient to increase the anti-slip property between the arc positioning plate 5 and the wheel hub, which is convenient for subsequent polishing and grinding of the wheel hub.

[0025] In summary, if Figure 1-5 As shown, the hub polishing workbench and its fixing structure, when in use, first place the inner wall of the hub to be polished on the top of the positioning platform 3, then the staff rotates the worm 42 through the knob 41, the worm 42 drives the worm wheel 43, the rotating shaft 33 and the active bevel gear 34 to rotate, the active bevel gear 34 drives the six driven bevel gears 35 and the six screws 37 to rotate, the six screws 37 drive the six positioning blocks 38 to slide inside the six limit grooves 32, the six positioning blocks 38 and respectively drive the six arc-shaped positioning plates 5 to expand synchronously through the connecting rods 39, and the six The arc-shaped positioning plate 5 is against the inner wall of the wheel hub to fix the wheel hub. At this time, the staff can use a hand-held polishing machine or other tools to polish and grind. The cooperation of the motor 22 and the worm gear reducer 23 can drive the driving gear 24 to rotate, and the driving gear 24 drives the driven gear 25, the connecting shaft 26 and the turntable 21 to rotate. The outer wall of the turntable 21 drives multiple limit sliders 27 to slide inside the annular slide groove 28. At the same time, the top of the turntable 21 drives the wheel hub to rotate through the support frame 7, the positioning platform 3 and the arc-shaped positioning plate 5, so as to facilitate the adjustment of the position of the wheel hub during polishing.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change; Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other; Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel hub polishing workbench, comprising a workbench body (1), characterized in that: A polishing position adjustment mechanism (2) is provided above the workbench body (1), and the polishing position adjustment mechanism (2) comprises a turntable (21), the outer wall of the turntable (21) is movably sleeved on the upper part of the interior of the workbench body (1), a motor (22) and a worm gear reducer (23) are fixedly installed on the right side below the inner wall of the workbench body (1), the output end of the motor (22) is fixedly installed on the input end of the worm gear reducer (23), and a driving gear (24) is fixedly installed on the output end of the worm gear reducer (23), and a connecting shaft (26) is provided in the middle of the inner cavity of the workbench body (1), and the top end of the connecting shaft (26) is fixedly connected to the middle of the bottom of the turntable (21).

2. A wheel hub polishing workbench according to claim 1, characterized in that: The bottom end of the connecting shaft (26) is rotatably mounted in the middle of the bottom of the inner cavity of the workbench body (1) via a bearing, and a driven gear (25) is fixedly sleeved on the outer wall of the connecting shaft (26). The driven gear (25) is located on one side of the driving gear (24), and the driven gear (25) is meshed with the driving gear (24).

3. The wheel hub polishing workbench according to claim 1, characterized in that: A plurality of limit slide blocks (27) are fixedly connected to the lower portion of the outer wall of the turntable (21), an annular slide groove (28) is provided on the upper portion of the inner wall of the worktable body (1), and the outer wall of the limit slide block (27) is slidably connected to the inside of the annular slide groove (28).

4. A wheel hub polishing and fixing structure, comprising a positioning platform (3), characterized in that: Support frames (7) are fixedly installed on both sides of the bottom of the positioning platform (3), and the bottom of the support frame (7) is fixedly installed on the top of the turntable (21). Six arc-shaped positioning plates (5) are arranged outside the positioning platform (3), and the six arc-shaped positioning plates (5) are evenly distributed outside the positioning platform (3). The outer walls of the six arc-shaped positioning plates (5) are fixedly connected with anti-slip pads (6). A mounting groove (31) is opened in the middle of the interior of the positioning platform (3), and six limiting grooves (32) are opened inside the positioning platform (3). One end of the six limiting grooves (32) is communicated with the interior of the mounting groove (31). The six limiting grooves (32) are distributed in the positioning platform (3) in a cross shape. The interiors of the six limiting grooves (32) are slidably connected with positioning blocks (38), and one side of the positioning block (38) is fixedly connected with a connecting rod (39), and one end of the connecting rod (39) extends to the outside of the positioning platform (3) and is fixedly connected to the inner wall of the arc-shaped positioning plate (5).

5. A wheel hub polishing and fixing structure according to claim 4, characterized in that: A protective cover (4) is fixedly connected to the middle of the bottom of the positioning platform (3), and a worm (42) and a worm wheel (43) are provided inside the protective cover (4). The worm (42) and the worm wheel (43) are meshed with each other. The left end of the worm (42) is rotatably mounted on the left side of the inner wall of the protective cover (4) through a bearing, and the right end of the worm (42) extends to the right side of the protective cover (4) and is fixedly connected to a knob (41).

6. A wheel hub polishing and fixing structure according to claim 5, characterized in that: A rotating shaft (33) is provided inside the mounting groove (31); the top end of the rotating shaft (33) is rotatably mounted on the top of the inner wall of the mounting groove (31) via a bearing; the bottom end of the rotating shaft (33) extends into the interior of the protective cover (4); the bottom end of the rotating shaft (33) is rotatably mounted on the bottom of the inner wall of the rotating shaft (33) via a bearing; and the inside of the worm gear (43) is fixedly sleeved below the outer wall of the rotating shaft (33).

7. A wheel hub polishing and fixing structure according to claim 4, characterized in that: A driving bevel gear (34) is provided inside the mounting groove (31), and the inside of the driving bevel gear (34) is fixedly sleeved on the upper part of the outer wall of the rotating shaft (33). Six driven bevel gears (35) are meshed below the driving bevel gear (34), and the six driven bevel gears (35) are evenly distributed below the driving bevel gear (34). A screw rod (37) is provided inside each of the six limiting grooves (32), and the inner thread of the positioning block (38) is sleeved on the outer wall of the screw rod (37). A mounting plate (36) is fixedly installed on one side of the limiting groove (32), and the outer wall of the screw rod (37) is rotatably mounted inside the mounting plate (36) via a bearing. One end of the screw rod (37) is fixedly connected to one side of the driven bevel gear (35), and the other end of the screw rod (37) is rotatably mounted on the other side of the inner wall of the limiting groove (32) via a bearing.

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