Automobile wheel hub polishing device

Abstract

The utility model provides an automobile wheel hub polishing device, which belongs to the technical field of automobile hub processing and comprises a bottom plate, two fixing plates are symmetrically fixed on the upper end face of the bottom plate, a first bidirectional screw is rotatably connected between the two fixing plates, a first motor is fixed on the outer side wall of one fixing plate, and a second motor is fixed on the outer side wall of the other fixing plate. The driving end of the first motor is fixedly connected with one end of a first two-way screw, two moving blocks are symmetrically connected to the first two-way screw in a threaded mode, and bearing plates are fixedly connected to the upper end faces of the two moving blocks. Through the arrangement of the supporting roller, the centering structure, the power structure, the grinding structure and the pressing roller, the automobile hub rotates to make contact with the grinding head for grinding, the outer ring of the automobile hub can be ground conveniently, the grinding modes of the grinding device are increased, flexibility and applicability are higher, and the grinding efficiency is improved. The problem that in the prior art, a hub outer ring is inconvenient to polish is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile wheel hub processing, in particular to an automobile wheel hub grinding device. Background Art

[0002] The automobile wheel hub includes a center hub, multiple spokes and an outer ring. The center hub, multiple spokes and the outer ring form an integrated structure. The surfaces of the multiple spokes form a width, and there are gaps between adjacent spokes. Keeping the outside smooth and burr-free is an important indicator of the automobile wheel hub. The wheel hub needs to undergo surface polishing, grinding and other steps during the production and processing process.

[0003] After searching, in the prior art, a Chinese patent with patent application number CN202023056442.8 discloses an efficient grinding device for automobile wheel hubs, comprising a base plate, a support column is installed on the top of the base plate, and a shell is installed on the top of the support column, a screw is installed on the left side of the shell, and a turntable is installed on the left end of the screw, a handle is installed on the left side of the turntable, and a push rod is connected to the right side of the shell, a sliding rod is provided below the push rod, and one end of the sliding rod is installed on the bottom right side of the shell, and a push plate is installed on the other end of the push rod, a sliding sleeve is connected to the bottom of the push plate, and the sliding sleeve is installed on the sliding rod, and a side plate is installed on the bottom right side of the sliding rod; but the following defects still exist:

[0004] (1) The grinding device in the prior art is not convenient for grinding the outer ring side wall of the wheel hub, and the grinding method is relatively single and has poor flexibility;

[0005] (2) The grinding device in the prior art has a complicated way of fixing the wheel hub, and it is not convenient to effectively limit the wheel hubs of different sizes, thereby reducing the grinding efficiency.

[0006] Therefore we make improvements to this and propose a vehicle wheel hub grinding device. Utility Model Content

[0007] The utility model aims to solve the problem that the existing grinding device is inconvenient to grind the outer ring of the wheel hub and is inconvenient to quickly limit the wheel hubs of different sizes.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] The automobile wheel hub grinding device is used to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] The invention comprises a bottom plate, the upper end surface of the bottom plate is symmetrical and fixed with two fixing plates, a first bidirectional screw is rotatably connected between the two fixing plates, a first motor is fixed on the outer wall of one of the fixing plates, and a driving end of the first motor is fixedly connected to one end of the first bidirectional screw, two moving blocks are symmetrically and threadedly connected on the first bidirectional screw, a bearing plate is fixedly connected to the upper end surfaces of the two moving blocks, a supporting roller is provided on the upper side of the bearing plate, a fixing seat is rotatably connected to the front and rear ends of the supporting roller, and the fixing seat is fixedly connected to the bearing plate by bolts, a centering structure for centering the wheel hub is provided on the right supporting roller, a power structure for driving the rotation of the supporting roller is provided on the rear side of the left supporting roller, and a There is a grinding structure, the upper end surface of the base plate is fixedly connected to a vertical frame, the upper end surface of the vertical frame is fixedly connected to a first telescopic cylinder, the driving end of the first telescopic cylinder penetrates the vertical frame and is fixedly connected to a mounting frame, a pressure roller is rotatably connected in the mounting frame, a movable opening is opened on the vertical frame, and an assembly frame is matched in the movable opening, a second telescopic cylinder is fixed on the rear side wall of the assembly frame, the driving end of the second telescopic cylinder is fixedly connected to a bearing frame, the upper end surface of the bearing frame is fixedly connected to a second motor, the driving end of the second motor is fixedly connected to a grinding disc, a connecting plate is fixedly connected to the outer side wall of the vertical frame, the upper end surface of the connecting plate is fixedly connected to a third telescopic cylinder, and the driving end of the third telescopic cylinder penetrates the connecting plate and is fixedly connected to the assembly frame.

[0012] As an optimal technical solution of the utility model, the centering structure includes assembly blocks respectively fixed on the right side wall of the right fixed seat, and a second bidirectional screw is rotatably connected between the assembly blocks. A third motor is fixedly connected to the outer side wall of the rear assembly block, and the driving end of the third motor is fixedly connected to the rear end of the second bidirectional screw. Two limit plates are symmetrically slidably connected to the support roller on the right side, and the outer ends of the two limit plates are respectively threadedly connected to the second bidirectional screw.

[0013] As a preferred technical solution of the utility model, the power structure includes a connecting shaft fixed at the rear end of the left support roller, a worm gear is fixedly connected to the connecting shaft, a connecting frame is fixedly connected to the fixed seat on the left rear side, a fourth motor is fixedly connected to the connecting frame, and a worm gear meshing with the worm gear is fixedly connected to the driving end of the fourth motor.

[0014] As a preferred technical solution of the utility model, the grinding structure includes a bracket fixed on the outer wall of the left supporting plate, a threaded rod is rotatably connected in the bracket, a fifth motor is fixedly connected to one side wall of the bracket, and the driving end of the fifth motor is fixedly connected to one end of the threaded rod, a movable seat is threadedly connected to the threaded rod, a guide rod is slidably connected to the top of the movable seat, both ends of the guide rod are respectively fixedly connected to the side walls of the bracket, a fourth telescopic cylinder is fixedly connected to the movable seat, and the driving end of the fourth telescopic cylinder passes through the movable seat and is fixedly connected to a grinding head.

[0015] As a preferred technical solution of the utility model, the lower end surface of the bearing plate is symmetrically and fixedly connected with two connecting blocks, and a sliding rod is slidably connected between two laterally adjacent connecting blocks, and both ends of the sliding rod are respectively fixedly connected to the fixed plate.

[0016] As a preferred technical solution of the utility model, the support roller and the pressure roller have the same length, and the number of the support rollers is two.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the solution of the utility model:

[0019] 1. Through the support roller, centering structure, power structure, grinding structure and pressure roller, the automobile wheel hub is rotated to contact with the grinding head for grinding, which is convenient for grinding the outer ring of the automobile wheel hub, increases the grinding methods of the grinding device, has stronger flexibility and applicability, and solves the problem of inconvenience in grinding the outer ring of the wheel hub in the prior art;

[0020] 2. By setting the fixed plate, the first bidirectional screw, the first motor, the moving block, the bearing plate, the support roller, the pressure roller and the centering structure, it is possible to quickly limit the wheel hubs of different sizes, facilitate the grinding of the center of the wheel hub, shorten the time for fixing the wheel hub, improve the grinding efficiency, and solve the problem of the inconvenience of quickly limiting the wheel hubs of different sizes in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of the automobile wheel hub grinding device provided by the utility model;

[0022] Figure 2 This is a schematic diagram of the rear structure of the automobile wheel hub grinding device provided by the utility model;

[0023] Figure 3 A schematic diagram of the centering structure of the automobile wheel hub grinding device provided by the utility model;

[0024] Figure 4A schematic diagram of the power structure of the automobile wheel hub grinding device provided by the utility model;

[0025] Figure 5 A schematic diagram of the grinding structure of the automobile wheel hub grinding device provided by the utility model;

[0026] Figure 6 The present invention is a schematic structural diagram of a grinding disc and connecting components of a vehicle wheel hub grinding device provided by the present invention.

[0027] Indicated in the figure:

[0028] 1. Bottom plate; 2. Fixed plate; 3. First bidirectional screw; 4. First motor; 5. Moving block; 6. Loading plate; 7. Support roller; 8. Fixed seat; 9. Centering structure; 901. Assembly block; 902. Second bidirectional screw; 903. Third motor; 904. Limiting piece; 10. Power structure; 1001. Connecting shaft; 1002. Worm gear; 1003. Connecting frame; 1004. Fourth motor; 1005. Worm; 11. Grinding structure; 11 01. Bracket; 1102. Threaded rod; 1103. Fifth motor; 1104. Moving seat; 1105. Guide rod; 1106. Fourth telescopic cylinder; 1107. Grinding head; 12. Stand; 13. First telescopic cylinder; 14. Mounting frame; 15. Pressing roller; 16. Assembly frame; 17. Second telescopic cylinder; 18. Carrying frame; 19. Second motor; 20. Grinding disc; 21. Connecting plate; 22. Third telescopic cylinder; 23. Connecting block; 24. Sliding rod. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, this embodiment proposes a vehicle wheel hub grinding device, including a bottom plate 1, the upper end surface of the bottom plate 1 is symmetrical and fixed with two fixed plates 2, a first bidirectional screw 3 is rotatably connected between the two fixed plates 2, a first motor 4 is fixed on the outer wall of one of the fixed plates 2, and the driving end of the first motor 4 is fixedly connected to one end of the first bidirectional screw 3, two moving blocks 5 are symmetrically and threadedly connected on the first bidirectional screw 3, the upper end surfaces of the two moving blocks 5 are fixedly connected with a bearing plate 6, and the first bidirectional screw 3 allows the two moving blocks 5 to rotate. The bearing plate 6 can be moved inward or outward synchronously to adapt to wheels of different sizes. Support rollers 7 are provided on the upper side of the bearing plate 6. The front and rear ends of the support rollers 7 are rotatably connected with fixed seats 8, and the fixed seats 8 are fixedly connected to the bearing plate 6 by bolts. The support rollers 7 are convenient for supporting the wheel hub. A centering structure 9 for centering the wheel hub is provided on the right support roller 7, which is convenient for centering adjustment of the wheel hub and can also limit the wheel hub for convenient center grinding. A power structure 10 for driving its rotation is provided on the rear side of the left support roller 7. A grinding structure 11 is provided on the carrier plate 6, a stand 12 is fixedly connected to the upper end surface of the bottom plate 1, a first telescopic cylinder 13 is fixedly connected to the upper end surface of the stand 12, a driving end of the first telescopic cylinder 13 passes through the stand 12 and is fixedly connected to a mounting frame 14, a pressing roller 15 is rotatably connected in the mounting frame 14, so as to facilitate the top of the wheel hub to be pressed and limited, and ensure the stability during grinding, a movable opening is provided on the stand 12, and an assembly frame 16 is matched in the movable opening, a second telescopic cylinder 17 is fixed on the rear side wall of the assembly frame 16, and the second telescopic cylinder 17 is fixed to the rear side wall of the assembly frame 16. The driving end of the vertical frame 7 is fixedly connected to a carrier frame 18, the upper end surface of the carrier frame 18 is fixedly connected to a second motor 19, and the driving end of the second motor 19 is fixedly connected to a grinding disc 20, so as to facilitate the grinding of the wheel hub. A connecting plate 21 is fixedly connected to the outer wall of the vertical frame 12, and the upper end surface of the connecting plate 21 is fixedly connected to a third telescopic cylinder 22, and the driving end of the third telescopic cylinder 22 passes through the connecting plate 21 and is fixedly connected to the assembly frame 16, so that the position of the grinding disc 20 can be flexibly adjusted through the second telescopic cylinder 17 and the third telescopic cylinder 22.

[0031] like Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the centering structure 9 includes assembly blocks 901 respectively fixed on the right side wall of the right fixed seat 8, and a second bidirectional screw 902 is rotatably connected between the assembly blocks 901, and a third motor 903 is fixedly connected to the outer wall of the rear assembly block 901, and the driving end of the third motor 903 is fixedly connected to the rear end of the second bidirectional screw 902, and two limit plates 904 are symmetrically slidably connected to the right support roller 7, and the outer ends of the two limit plates 904 are threadedly connected to the second bidirectional screw 902 respectively; ensuring that the wheel hub can be accurately centered before grinding, improving the grinding accuracy, and ensuring the stability of the grinding disc 20 during center grinding.

[0032] like Figure 1 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the power structure 10 includes a connecting shaft 1001 fixed at the rear end of the left support roller 7, a worm gear 1002 is fixedly connected to the connecting shaft 1001, a connecting frame 1003 is fixedly connected to the left rear side fixed seat 8, a fourth motor 1004 is fixedly connected to the connecting frame 1003, and a worm 1005 meshingly connected to the worm gear 1002 is fixedly connected to the driving end of the fourth motor 1004; the left support roller 7 is provided with rotational power, so that the hub can rotate during the grinding process, thereby improving the grinding efficiency.

[0033] like Figure 1 and Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, the grinding structure 11 includes a bracket 1101 fixed on the outer side wall of the left side bearing plate 6, a threaded rod 1102 is rotatably connected in the bracket 1101, a fifth motor 1103 is fixedly connected to one side wall of the bracket 1101, and the driving end of the fifth motor 1103 is fixedly connected to one end of the threaded rod 1102, a moving seat 1104 is threadedly connected to the threaded rod 1102, a guide rod 1105 is slidably connected to the top of the moving seat 1104, both ends of the guide rod 1105 are respectively fixedly connected to the side walls of the bracket 1101, a fourth telescopic cylinder 1106 is fixedly connected to the moving seat 1104, and the driving end of the fourth telescopic cylinder 1106 passes through the moving seat 1104 and is fixedly connected to a grinding head 1107; it is convenient to grind the outer ring of the wheel hub, improve the grinding method, and have greater flexibility and applicability.

[0034] like Figure 1 As shown, as a preferred embodiment, on the basis of the above method, further, the lower end surface of the supporting plate 6 is symmetrically and fixedly connected with two connecting blocks 23, and a sliding rod 24 is slidably connected between two adjacent connecting blocks 23 in the horizontal direction, and the two ends of the sliding rod 24 are respectively fixedly connected to the fixed plate 2, so as to ensure the stable movement of the supporting plate 6.

[0035] like Figure 1 As shown, as a preferred embodiment, on the basis of the above method, further, the lengths of the support roller 7 and the pressure roller 15 are the same, and the number of the support rollers 7 is two; the design of the two support rollers 7 enables the wheel hub to be stably placed and polished.

[0036] Specifically, when the automobile wheel hub grinding device is working / in use: according to the size of the wheel hub, first drive the first motor 4 to rotate the first bidirectional screw 3, so that the moving block 5 and the bearing plate 6 move synchronously, and then adjust the spacing between the two support rollers 7. After adjusting to a suitable spacing, stop the first motor 4, and then place the wheel hub on the support roller 7. Then drive the third motor 903 to rotate the second bidirectional screw 902, so that the two limiting plates 904 move centrally at the same time, so as to center and limit the wheel hub, and then drive the first telescopic cylinder 13 to lower the pressure roller 15 to limit the wheel hub, and then drive the second telescopic cylinder 13 to lower the pressure roller 15 to limit the wheel hub. 7 and the third telescopic cylinder 22 move the grinding disc 20 to the grinding position, start the second motor 19 to rotate the grinding disc 20 to grind the wheel hub. When the outer ring of the wheel hub needs to be polished, drive the fourth motor 1004 to rotate the worm 1005. The rotation of the worm 1005 drives the worm wheel 1002, the connecting shaft 1001 and the supporting roller 7 to rotate, thereby rotating the wheel hub. At the same time, drive the fourth telescopic cylinder 1106 to extend the grinding head 1107 to contact the grinding surface of the wheel hub, and then drive the fifth motor 1103 to rotate the threaded rod 1102, thereby moving the grinding head 1107 to facilitate the grinding of the outer ring of the wheel hub.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A vehicle wheel hub grinding device, comprising a base plate (1), characterized in that: The upper end surface of the bottom plate (1) is symmetrical and fixed with two fixed plates (2), and a first bidirectional screw (3) is rotatably connected between the two fixed plates (2). A first motor (4) is fixed on the outer wall of one of the fixed plates (2), and the driving end of the first motor (4) is fixedly connected to one end of the first bidirectional screw (3). Two moving blocks (5) are symmetrical and threadedly connected on the first bidirectional screw (3), and the upper end surfaces of the two moving blocks (5) are fixedly connected to a bearing plate (6). The upper side of the supporting plate (6) is provided with a supporting roller (7), the front and rear ends of the supporting roller (7) are rotatably connected to a fixing seat (8), and the fixing seat (8) is fixedly connected to the supporting plate (6) by bolts, the supporting roller (7) on the right side is provided with a centering structure (9) for centering the wheel hub, the rear side of the supporting roller (7) on the left side is provided with a power structure (10) for driving the supporting roller (7) to rotate, the supporting plate (6) on the left side is provided with a grinding structure (11), and the upper end surface of the bottom plate (1) A vertical frame (12) is fixedly connected, and a first telescopic cylinder (13) is fixedly connected to the upper end surface of the vertical frame (12). The driving end of the first telescopic cylinder (13) passes through the vertical frame (12) and is fixedly connected to a mounting frame (14). A pressing roller (15) is rotatably connected in the mounting frame (14). A movable opening is opened on the vertical frame (12), and an assembly frame (16) is matched in the movable opening. A second telescopic cylinder (17) is fixed on the rear side wall of the assembly frame (16). The driving end of the cylinder (17) is fixedly connected to a carrier frame (18), the upper end surface of the carrier frame (18) is fixedly connected to a second motor (19), the driving end of the second motor (19) is fixedly connected to a grinding disc (20), the outer side wall of the stand (12) is fixedly connected to a connecting plate (21), the upper end surface of the connecting plate (21) is fixedly connected to a third telescopic cylinder (22), and the driving end of the third telescopic cylinder (22) passes through the connecting plate (21) and is fixedly connected to the assembly frame (16).

2. The automobile wheel hub grinding device according to claim 1, characterized in that: The centering structure (9) comprises assembly blocks (901) respectively fixed on the right side wall of the right fixing seat (8); a second bidirectional screw (902) is rotatably connected between the assembly blocks (901); a third motor (903) is fixedly connected to the outer side wall of the rear assembly block (901); and a driving end of the third motor (903) is fixedly connected to the rear end of the second bidirectional screw (902); two limit plates (904) are symmetrically slidably connected to the right support roller (7); and the outer ends of the two limit plates (904) are respectively threadedly connected to the second bidirectional screw (902).

3. The automobile wheel hub grinding device according to claim 1, characterized in that: The power structure (10) comprises a connecting shaft (1001) fixed to the rear end of the left support roller (7), a worm gear (1002) being fixedly connected to the connecting shaft (1001), a connecting frame (1003) being fixedly connected to the fixed seat (8) on the left rear side, a fourth motor (1004) being fixedly connected to the connecting frame (1003), and a worm (1005) meshingly connected to the worm gear (1002) being fixedly connected to the driving end of the fourth motor (1004).

4. The automobile wheel hub grinding device according to claim 1, characterized in that: The grinding structure (11) comprises a bracket (1101) fixed on the outer side wall of the left side bearing plate (6); a threaded rod (1102) is rotatably connected inside the bracket (1101); a fifth motor (1103) is fixedly connected to one side wall of the bracket (1101); a driving end of the fifth motor (1103) is fixedly connected to one end of the threaded rod (1102); a moving seat (1104) is threadedly connected to the threaded rod (1102); a guide rod (1105) is slidably connected to the top of the moving seat (1104); two ends of the guide rod (1105) are respectively fixedly connected to the side wall of the bracket (1101); a fourth telescopic cylinder (1106) is fixedly connected to the moving seat (1104); a driving end of the fourth telescopic cylinder (1106) passes through the moving seat (1104) and is fixedly connected to a grinding head (1107).

5. The automobile wheel hub grinding device according to claim 1, characterized in that: The lower end surface of the bearing plate (6) is symmetrically and fixedly connected with two connecting blocks (23), and a sliding rod (24) is slidably connected between two adjacent connecting blocks (23) in the transverse direction, and the two ends of the sliding rod (24) are respectively fixedly connected to the fixed plate (2).

6. The automobile wheel hub grinding device according to claim 1, characterized in that: The support roller (7) and the pressure roller (15) have the same length, and there are two support rollers (7).

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