Clamp for automobile hub machining

Abstract

The utility model discloses a fixture for processing an automobile hub, which comprises a workbench, a positioning column component arranged at the center of the front surface of the workbench, a hub arranged on the positioning column component, a plurality of chutes arranged on the periphery of the workbench, sliders arranged in the chutes, a first clamping block arranged at one end of each slider, and a connecting rod arranged at the other end of each slider. The hub machining device has the advantages that the hub machining device is novel in structure and low in manufacturing cost, the first clamping block is driven by the air cylinder to move to clamp and fix the edge of a hub, and therefore hubs of different sizes can be better clamped; according to the hub clamping device, the hub can be rapidly and conveniently assembled and disassembled, the reliability is high, the hubs with different hole diameters are clamped through the positioning assembly, in this way, the hubs with different models can be clamped and positioned, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub processing, in particular to a clamp used for processing automobile wheel hubs. Background Art

[0002] The wheel hub is an important vehicle component, and its quality affects the safety of the vehicle during driving. The wheel hub is a cylindrical metal component with the inner profile of the tire supporting the tire and the center mounted on the shaft. It is also called a rim, steel ring, wheel, and tire bell. There are many types of wheel hubs depending on the diameter, width, molding method, and material. When finishing the automobile wheel hub, it is usually necessary to fix the automobile wheel hub on a positioning fixture to ensure its processing accuracy and quality.

[0003] The existing hub clamp has a low adjustability in the clamping range, which is not convenient for adjusting hubs with larger spoke widths. In addition, the clamp positioning is cumbersome and the assembly and disassembly is complicated. Different types of hubs have different mounting hole diameters, so the corresponding clamp needs to be replaced for positioning, which makes the work cumbersome and reduces work efficiency. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is that the clamping range of the existing wheel hub clamp is not highly adjustable, and it is not convenient to adjust the wheel hub with a larger spoke width. In addition, the positioning of the clamp is cumbersome and the assembly and disassembly are complicated. The mounting hole diameters of different types of wheel hubs are different, so the corresponding clamp needs to be replaced for positioning, which makes the work cumbersome and reduces the work efficiency.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp for processing automobile wheel hubs, characterized in that: it includes a workbench, a positioning column assembly is provided at the center of the front side of the workbench, a wheel hub is provided on the positioning column assembly, a plurality of slide grooves are provided around the workbench, a slider is provided in the slide groove, a first clamping block is provided at one end of the slider, a connecting rod is provided at the other end of the slider, a connecting shaft is provided at the center of the back side of the workbench, a rotating disk is provided on the connecting shaft, a group of support blocks are provided on one side of the rotating disk, a cylinder is provided on the support block, the positioning assembly includes a positioning column, a plurality of groups of grooves are provided on the positioning column, a plurality of groups of telescopic springs are provided in the grooves, an extension rod is provided at one end of the telescopic spring, and a second clamping block is provided at one end of the extension rod.

[0008] Furthermore, one end of the cylinder telescopic rod extends to the upper part of the other end of one of the sliders, and one end of the cylinder telescopic rod is connected to the other end of one of the sliders via a connecting block.

[0009] Furthermore, the second clamping block is arc-shaped, a rubber block is provided on the outer side of the second clamping block, and anti-slip grooves are provided on the surface of the rubber block.

[0010] Furthermore, one end of the connecting rod is connected to the other end of the sliding block, the other end of the connecting rod is connected to the rotating disk, and the connecting rod is inclined to the rotating disk and the sliding block.

[0011] Furthermore, the connecting rod is movably connected to the rotating disk and the sliding block.

[0012] Furthermore, one side of the first clamping block is in contact with the edge of the wheel hub, and an anti-slip pad is provided on one side of the first clamping block.

[0013] Furthermore, the second clamping block fits against the inner wall of the mounting hole of the wheel hub.

[0014] (III) Beneficial effects

[0015] The utility model provides a clamp for automobile wheel hub processing, which has the following beneficial effects: the utility model has a novel structure and a low manufacturing cost. The first clamping block is driven by a cylinder to move to clamp and fix the edge of the wheel hub, so as to better clamp wheel hubs of different sizes, thereby achieving quick and convenient assembly and disassembly of the wheel hub with high reliability. The wheel hubs of different apertures are clamped by a positioning component, so that the wheel hubs of different models can be clamped and positioned, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 This is a back structural diagram of the utility model;

[0018] Figure 3 This is a cross-sectional view of the utility model;

[0019] In the figure: 1-workbench, 2-positioning assembly, 3-slide groove, 4-slider, 5-first clamping block, 6-connecting rod, 7-connecting shaft, 8-rotating disk, 9-support block, 10-cylinder, 11-connecting block, 12-positioning column, 13-groove, 14-telescopic spring, 15-extension rod, 16-second clamping block, 17-rubber block, 18-wheel hub. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. The described embodiments are only part of the utility model embodiments, 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.

[0021] See also Figure 1-3 A clamp for processing automobile wheel hubs comprises a workbench 1, a positioning assembly 2 is provided at the center of the front of the workbench 1, a wheel hub 18 is provided on the positioning assembly 2, a plurality of slide grooves 3 are provided around the workbench 1, a slider 4 is provided in the slide groove 3, a first clamping block 5 is provided at one end of the slider 4, a connecting rod 6 is provided at the other end of the slider 4, a connecting shaft 7 is provided at the center of the back of the workbench 1, a rotating disk 8 is provided on the connecting shaft 7, a group of supporting blocks 9 are provided on one side of the rotating disk 8, a cylinder 10 is provided on the supporting block 9, the positioning assembly 2 comprises a positioning column 12, a plurality of groups of grooves 13 are provided on the positioning column 12, a plurality of groups of telescopic springs 14 are provided in the grooves 13, an extension rod 15 is provided at one end of the telescopic spring 14, and a second clamping block 16 is provided at one end of the extension rod 15.

[0022] Furthermore, one end of the telescopic rod of the cylinder 10 extends to the upper part of the other end of a slider 4, and one end of the telescopic rod of the cylinder 10 is connected to the other end of a slider 4 through a connecting block 11. The slider 4 is driven to move by the cylinder 10, so that the first clamping block 5 clamps and fixes the wheel hub.

[0023] Furthermore, the second clamping block 16 is arc-shaped, and a rubber block 17 is provided on the outer side of the second clamping block 16. The surface of the rubber block 17 is provided with anti-slip grooves. The rubber block 17 can effectively protect the wheel hub 18 from being indented during the clamping process, leaving defects on the wheel hub 18, thereby causing quality degradation.

[0024] Furthermore, one end of the connecting rod 6 is connected to the other end of the slider 4, and the other end of the connecting rod 6 is connected to the rotating disk 8, and the connecting rod 6 is inclined to the rotating disk 8 and the slider 4. The rotating disk 8 can be driven to rotate by one of the connecting rods 6, and the rotating disk 8 can then drive the remaining connecting rods 6 to move so that the first clamp 5 moves together to clamp and fix the wheel hub 18.

[0025] Furthermore, the connecting rod 6 is movably connected to the rotating disk 8 and the sliding block 4 .

[0026] Furthermore, one side of the first clamping block 5 fits against the edge of the wheel hub 18 , and an anti-skid pad is provided on one side of the first clamping block 5 , so that the contact area between the first clamping block 5 and the wheel hub 18 is larger.

[0027] Furthermore, the second clamping block 16 fits against the inner wall of the mounting hole of the wheel hub 18 , further strengthening the clamping and fixing of the wheel hub 18 .

[0028] The specific working principle is as follows: the wheel hub 18 is placed on the positioning assembly 2, and the telescopic spring 14 is used to make the second clamping block 16 and the rubber block 17 fit with the inner wall of the mounting hole of the wheel hub 18 for preliminary clamping and fixing. Then, a slider 4 is driven to move by the cylinder 10, so that a connecting rod 6 drives the rotating disk 8 to rotate, and the rotating disk 8 drives the remaining connecting rods 6 to move so that the first clamping block 5 moves together to clamp and fix the wheel hub 18. The first clamping block 5 is driven by the cylinder 10 to move to clamp and fix the edge of the wheel hub 18, so as to better clamp the wheel hubs 18 of different sizes, and realize quick and convenient assembly and disassembly of the wheel hub 18 with high reliability. The positioning assembly 2 clamps the wheel hubs 18 of different apertures, so that the wheel hubs 18 of different models can be clamped and positioned, thereby improving work efficiency.

[0029] It is obvious to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments described above, and that the utility model can be implemented in other specific forms without departing from the spirit or essential features of the utility model. Therefore, from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the utility model. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fixture for automobile wheel hub processing, characterized in that: The invention comprises a workbench (1), wherein a positioning assembly (2) is provided at the center of the front face of the workbench (1), a wheel hub (18) is provided on the positioning assembly (2), a plurality of slide grooves (3) are provided around the workbench (1), a slider (4) is provided in the slide groove (3), a first clamping block (5) is provided at one end of the slider (4), a connecting rod (6) is provided at the other end of the slider (4), a connecting shaft (7) is provided at the center of the back face of the workbench (1), a rotating disk (8) is provided on the connecting shaft (7), a group of supporting blocks (9) is provided on one side of the rotating disk (8), a cylinder (10) is provided on the supporting block (9), the positioning assembly (2) comprises a positioning column (12), a plurality of grooves (13) are provided on the positioning column (12), a plurality of telescopic springs (14) are provided in the grooves (13), an extension rod (15) is provided at one end of the telescopic spring (14), a second clamping block (16) is provided at one end of the extension rod (15).

2. The fixture for automobile wheel hub processing according to claim 1, characterized in that: One end of the telescopic rod of the cylinder (10) extends to the upper part of the other end of one of the sliders (4), and one end of the telescopic rod of the cylinder (10) and the other end of one of the sliders (4) are connected via a connecting block (11).

3. The fixture for automobile wheel hub processing according to claim 1, characterized in that: The second clamping block (16) is arc-shaped, a rubber block (17) is provided on the outer side of the second clamping block (16), and anti-slip grooves are provided on the surface of the rubber block (17).

4. The fixture for automobile wheel hub processing according to claim 1, characterized in that: One end of the connecting rod (6) is connected to the other end of the sliding block (4), and the other end of the connecting rod (6) is connected to the rotating disk (8), and the connecting rod (6) is arranged obliquely to the rotating disk (8) and the sliding block (4).

5. The fixture for automobile wheel hub processing according to claim 1, characterized in that: The connecting rod (6) is movably connected to the rotating disk (8) and the sliding block (4).

6. The fixture for automobile wheel hub processing according to claim 1, characterized in that: One side of the first clamping block (5) is in contact with the edge of the wheel hub (18), and an anti-slip pad is provided on one side of the first clamping block (5).

7. The fixture for automobile wheel hub processing according to claim 3 is characterized in that: The second clamping block (16) fits against the inner wall of the mounting hole of the wheel hub (18).

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