Fixing device for hub machining

Abstract

The utility model relates to the technical field of fixing devices, and discloses a hub machining fixing device which comprises a mounting base, a rotating disc is rotationally connected to the upper surface of the mounting base, a mounting piece is fixedly connected to the upper surface of the rotating disc, and a limiting assembly is arranged on the outer surface of the mounting piece. The hub is placed on the outer surface of the mounting part, meanwhile, an electric telescopic rod extends to enable a jacking block to move towards the inner wall of the hub, a connecting rod drives a sliding block to move in a sliding groove in the moving process of the jacking block, and then after the jacking block makes contact with the inner wall of the hub, the elastic force of a small spring pushes the connecting position of a pressing block and the inner wall of the hub, so that the hub is fixed. According to the hub machining device, the friction force between the jacking block and the hub is increased, the hub cannot be loosened during rotating machining, after the sliding block stops moving, a limiting pin penetrates through the sliding block to enter the limiting hole, and then the hub can be more stably limited by the jacking block.

Description

Technical Field

[0001] This utility model relates to the field of fixing device technology, specifically a wheel hub processing fixing device. Background Technology

[0002] A wheel hub is a cylindrical metal component that supports the tire from the inside and is mounted on an axle. It is also called a wheel rim, steel rim, wheel, or tire rim. Wheel hubs come in many varieties depending on their diameter, width, forming method, and materials.

[0003] According to a wheel hub processing fixing device disclosed in the public notice (Announcement No.: CN220836226U), the above application has a fixing mechanism to fix the wheel hub processing parts during the processing. The expansion range of the fixing structure is adjustable, which can fix wheel hub processing parts of different sizes, thus improving practicality. By setting a cylinder, the height of the support platform can be raised and lowered to improve the adaptability of wheel hub processing parts.

[0004] However, in actual use, the above-mentioned equipment causes friction between the wheel hub and the equipment when the wheel hub is being rotated, which can easily cause the wheel hub to loosen during the processing and make it difficult to process the wheel hub properly. In view of this, we propose a wheel hub processing fixing device. Utility Model Content

[0005] The purpose of this utility model is to provide a wheel hub processing and fixing device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a wheel hub processing and fixing device, including a mounting base, a rotating disk rotatably connected to the upper surface of the mounting base, a mounting component fixedly connected to the upper surface of the rotating disk, and a limit assembly provided on the outer surface of the mounting component, the limit assembly including:

[0007] The mounting groove is formed on the outer surface of the mounting component. An electric telescopic rod is fixedly connected to the inner wall side of the mounting groove. A top block is fixedly connected to the end of the electric telescopic rod. A connecting rod is hinged to one side of the top block.

[0008] A placement groove is provided on the other side of the top block. A small spring is fixedly connected to the inner wall of the placement groove, and a pressing block is fixedly connected to the end of the small spring.

[0009] The slider is hinged to the end of the connecting rod. The outer surface of the mounting component has a sliding groove and a limiting hole.

[0010] Preferably, the size of the pressing block is adapted to the size of the placement groove, and the pressing block is disposed inside the placement groove, which allows the pressing block to move well inside the placement groove.

[0011] Preferably, the position of the sliding block corresponds to the position of the sliding groove, and the sliding block is arranged inside the sliding groove, so that the connecting rod pulls the sliding block to move inside the sliding groove when the connecting rod is active.

[0012] Preferably, the other side of the top block is arc-shaped, and the center of the top block corresponds to the center of the placement groove, so that the friction between the top block and the hub increases after the pressing block extends into the placement groove.

[0013] Preferably, the upper surface of the rotating disc is provided with a positioning assembly, the positioning assembly comprises a movable groove, the movable groove is arranged on the upper surface of the rotating disc, a large spring is fixedly connected to the inner wall side of the movable groove, and a limiting block is fixedly connected to the end of the large spring.

[0014] Preferably, the side of the limiting block is provided with a semicircular protrusion, and the limiting block is arranged inside the movable groove.

[0015] Preferably, the size of the movable groove is matched with the size of the large spring, and the movable grooves are uniformly distributed in a circumferential array on the upper surface of the rotating disc.

[0016] Compared with the prior art, the wheel hub machining fixing device has the following advantages

[0017] Beneficial effects:

[0018] 1. The wheel hub machining fixing device can better process the equipment hub, place the hub on the outer surface of the mounting piece, extend the electric telescopic rod to move the top block to the inner wall of the hub, and move the sliding block in the sliding groove by the connecting rod during the movement of the top block, so that the pressing block is pushed to the joint of the inner wall of the hub by the elastic force of the small spring after the top block contacts the inner wall of the hub, and the friction between the top block and the hub is increased, so that the hub does not loosen during rotation processing, and the limiting pin enters the limiting hole inside the sliding block after the sliding block stops moving, so that the top block can more stably limit the hub.

[0019] 2. The wheel hub machining fixing device can quickly position the hub, move the limiting block to shrink the large spring when the hub is placed on the outer surface of the mounting piece, release the limiting block after the hub is placed, move the limiting block on the inner wall of the movable groove by the large spring, and insert the arc-shaped protrusions arranged on the side of the limiting block into the outer edge of the hub, so that the hub can be quickly positioned. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional left view structure schematic diagram of the utility model;

[0021] Figure 2The utility model discloses a A area amplification structure schematic diagram shows that the utility model discloses a rotating disc structure schematic diagram shows.

[0022] Figure 3 The utility model discloses a rotating disc structure schematic diagram shows.

[0023] Figure 4 The utility model discloses a limiting assembly structure schematic diagram.

[0024] In the figure: 1, mounting seat, 2, rotating disc, 3, mounting piece, 4, limiting assembly, 401, mounting groove, 402, sliding slot, 403, limiting hole, 404, electric telescopic rod, 405, top block, 406, placing groove, 407, small spring, 408, pressing block, 409, connecting rod, 410, sliding block, 5, positioning assembly, 501, movable slot, 502, big spring, 503, limiting block. Specific implementation

[0025] As Figures 1-4 The utility model provides a kind of hub processing fixing device, including mounting seat 1, the upper surface of mounting seat 1 is rotatably connected with rotating disc 2, the upper surface of rotating disc 2 is fixedly connected with mounting piece 3, the outer surface of mounting piece 3 is provided with limiting assembly 4, limiting assembly 4 includes mounting groove 401, electric telescopic rod 404, top block 405, connecting rod 409, placing groove 406, small spring 407, pressing block 408, sliding block 410, sliding slot 402 and limiting hole 403.

[0026] In the embodiment of the utility model, mounting groove 401 is opened at the outer surface of mounting piece 3, electric telescopic rod 404 is fixedly connected with the inner wall side of mounting groove 401, top block 405 is fixedly connected with the end of electric telescopic rod 404, the other side of top block 405 is arc-shaped, the center of top block 405 corresponds with the center of placing groove 406, which makes the friction between top block 405 and hub increase after pressing block 408 extends inside placing groove 406, connecting rod 409 is hinged on one side of top block 405, placing groove 406 is opened at the other side of top block 405, small spring 407 is fixedly connected with the inner wall of placing groove 406, pressing block 408 is fixedly connected with the end of small spring 407, the size of pressing block 408 is adapted to the size of placing groove 406, and pressing block 408 is arranged inside placing groove 406, which makes that pressing block 408 can move in placing groove 406, sliding block 410 is hinged at the end of connecting rod 409, the position of sliding block 410 corresponds with the position of sliding slot 402, and sliding block 410 is arranged inside sliding slot 402, so that connecting rod 409 can pull sliding block 410 to move in sliding slot 402 when being active, sliding slot 402 is opened on the outer surface of mounting piece 3, and limiting hole 403 is opened on the outer surface of mounting piece 3.

[0027] Meanwhile, the upper surface of the rotating disc 2 is provided with a positioning assembly 5, the positioning assembly 5 comprises movable grooves 501, the movable grooves 501 are arranged on the upper surface of the rotating disc 2, the size of the movable grooves 501 is matched with the size of the large springs 502, the movable grooves 501 are evenly distributed in a circumferential array on the upper surface of the rotating disc 2, the inner wall side of the movable grooves 501 is fixedly connected with the large springs 502, the end of the large springs 502 is fixedly connected with limiting blocks 503, the side of the limiting blocks 503 is provided with semicircular convex strips, the limiting blocks 503 are arranged in the movable grooves 501, so that when the wheel hub is placed on the outer surface of the mounting piece 3, the limiting blocks 503 can be moved to make the large springs 502 contract, after the wheel hub is placed, the limiting blocks 503 are loosened, the large springs 502 push the limiting blocks 503 to move in the inner wall of the movable grooves 501, the arc-shaped convex strips arranged on the side of the limiting blocks 503 are clamped into the outer edge of the wheel hub, and then the wheel hub can be quickly positioned.

[0028] In the utility model, when in use, the wheel hub is placed on the outer surface of the mounting piece 3, the electric telescopic rod 404 is elongated to move the top block 405 to the inner wall of the wheel hub, and in the moving process of the top block 405, the connecting rod 409 drives the sliding block 410 to move in the sliding groove 402, and then after the top block 405 contacts the inner wall of the wheel hub, the elastic force of the small spring 407 pushes the pressing block 408 to contact the inner wall of the wheel hub, so that the friction between the top block 405 and the wheel hub is increased, which makes the wheel hub not loose during the rotating processing, and after the sliding block 410 stops moving, the limiting pin passes through the sliding block 410 and enters the limiting hole 403, so that the top block 405 can more stably limit the wheel hub.

[0029] Further, when the wheel hub is placed on the outer surface of the mounting piece 3, the limiting blocks 503 can be moved to make the large springs 502 contract, after the wheel hub is placed, the limiting blocks 503 are loosened, the large springs 502 push the limiting blocks 503 to move in the inner wall of the movable grooves 501, the arc-shaped convex strips arranged on the side of the limiting blocks 503 are clamped into the outer edge of the wheel hub, and then the wheel hub can be quickly positioned.

[0030] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A hub machining fixing device, comprising a mounting seat (1), a rotary disc (2) is rotatably connected to the upper surface of the mounting seat (1), and a mounting piece (3) is fixedly connected to the upper surface of the rotary disc (2), characterized in that: The outer surface of the mounting piece (3) is provided with a limiting assembly (4), which comprises: The mounting groove (401) is provided on the outer surface of the mounting piece (3), and the inner wall side of the mounting groove (401) is fixedly connected with the electric telescopic rod (404), and the end of the electric telescopic rod (404) is fixedly connected with the top block (405), and the side of the top block (405) is hinged with the connecting rod (409); The placing groove (406) is provided on the other side of the top block (405), and the inner wall of the placing groove (406) is fixedly connected with the small spring (407), and the end of the small spring (407) is fixedly connected with the pressing block (408); The sliding block (410) is hinged at the end of the connecting rod (409), and the outer surface of the mounting piece (3) is provided with a sliding groove (402), and the outer surface of the mounting piece (3) is provided with a limiting hole (403).

2. The wheel hub machining fixture of claim 1, wherein: The size of the pressing block (408) is matched with the size of the placing groove (406), and the pressing block (408) is arranged in the placing groove (406).

3. The wheel hub machining fixture of claim 1, wherein: The position of the sliding block (410) corresponds to the position of the sliding groove (402), and the sliding block (410) is arranged in the sliding groove (402).

4. The wheel hub machining fixture of claim 1, wherein: The other side of the top block (405) is arc-shaped, and the center of the top block (405) corresponds to the center of the placing groove (406).

5. The wheel hub machining fixture of claim 1, wherein: The upper surface of the rotating disc (2) is provided with a positioning assembly (5), which comprises an activity groove (501) provided on the upper surface of the rotating disc (2), and the inner wall side of the activity groove (501) is fixedly connected with a large spring (502), and the end of the large spring (502) is fixedly connected with a limiting block (503).

6. A wheel machining fixture according to claim 5, wherein: The side of the limiting block (503) is provided with a semicircular convex strip, and the limiting block (503) is arranged in the activity groove (501).

7. A wheel machining fixture according to claim 5, wherein: The size of the activity groove (501) is matched with the size of the large spring (502), and the activity groove (501) is uniformly distributed in the circumferential array on the upper surface of the rotating disc (2).

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