Compound tool for machining wheel bolt hole

Abstract

The utility model discloses a compound cutter for machining a wheel bolt hole, which relates to the technical field of cutters and comprises a cutter head, the cutter head is of an inverted cone structure, a shrink-proof table is fixedly mounted at the large-size end of the cutter head, a cutter handle is fixedly mounted on the shrink-proof table, and a second blade is mounted at the other end of the cutter head. A first blade and a third blade are installed on the two sides of the end, close to the second blade, of the tool bit respectively. According to the utility model, the blade can be conveniently positioned and fixed, and meanwhile, products with different apertures can be processed.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting tools, in particular to a composite cutting tool for machining wheel bolt holes. Background Art

[0002] As an important part of the car, the wheel has higher and higher requirements for its processing size accuracy. The bolt hole of the wheel is the key part of the wheel assembly, and the accuracy of its related dimensions is the key to ensure the safety of the car.

[0003] When processing bolt holes by traditional machining, low-cost welding tools are usually used. The rigidity and processing life of the welding tool body are very low, which cannot guarantee the stability of the bolt hole processing process. At the same time, it is not convenient to process products with different hole diameters. Utility Model Content

[0004] In response to the above technical problems, the utility model proposes a composite tool for processing wheel bolt holes, including a cutter head, the cutter head having an inverted cone structure, a large-sized end of the cutter head having an anti-shrinkage platform fixedly installed, a tool handle fixedly installed on the anti-shrinkage platform, a blade two installed on the other end of the cutter head, and blade one and blade three respectively installed on both sides of an end of the cutter head close to blade two.

[0005] In order to achieve the positioning and fixation of the blade, further, the blade one is installed on the cutter head by fastening screw one, the blade two is installed on the cutter head by fastening screw two and fastening screw three, and the blade three is installed on the cutter head by fastening screw four; the blade one is positioned by positioning groove one and positioning groove two to ensure the stability of the tool during processing; the blade three is positioned by positioning groove three and positioning groove four, and by replacing blade two and blade three, products with different apertures can be processed, and by replacing blade one, products with different angles can be processed.

[0006] In order to process products with different apertures, the blade 1 further comprises a mounting hole 1 and a cutting edge 1, the mounting hole 1 is installed in a fastening screw 1, and the blade 1 is fixed by the cooperation of the mounting hole 1 and the fastening screw 1, and a plurality of cutting edges 1 are provided, and the aperture specifications and shapes of the plurality of cutting edges 1 are different. During processing, products with different apertures can be processed by cutting edges 1 of different shapes.

[0007] In order to process different apertures of products, further, the blade 2 includes a mounting hole 2, a mounting hole 3 and a cutting edge 2. The mounting hole 2 is installed in the fastening screw 2, and the mounting hole 3 is installed in the fastening screw 3. The blade 2 is fixed by the cooperation between the mounting hole 2 and the fastening screw 2, and the mounting hole 3 and the fastening screw 3. The cutting edge 2 is provided with multiple cutting edges, and the aperture specifications and shapes of the multiple cutting edges 2 are different. During processing, the processing of products with different apertures is achieved through cutting edges 2 of different shapes.

[0008] In order to process different apertures of products, further, the blade three includes a mounting hole four and a cutting edge three, and the cutting edge three is provided with multiple apertures of the multiple cutting edges three having different aperture specifications and shapes. During processing, the processing of products with different apertures can be achieved through the cutting edges three of different shapes.

[0009] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention integrates the advantages of machine-clamped tools. After the tool holder is clamped, axial positioning is performed through the anti-shrinkage table. By adjusting the installation method of blade one, blade two, and blade three, the processing of products with different apertures can be achieved, which reduces the time for re-calibration of the tools. At the same time, during use, only the easily damaged blades need to be replaced, thereby reducing maintenance costs; (2) The present invention facilitates the positioning and fixing of blade one, blade two, and blade three, thereby improving the stability and accuracy of blade installation; (3) The tool of the present invention has good stability during the processing process and a long service life, which can effectively reduce processing costs and improve processing efficiency; (4) The present invention has a simple structure and a strong promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0011] Figure 2 This is a structural schematic diagram of a blade of the utility model.

[0012] Figure 3 This is a schematic diagram of the structure of the second blade of the utility model.

[0013] Figure 4 This is a schematic diagram of the third structure of the blade of the utility model.

[0014] Figure 5 The utility model is a structural schematic diagram of processing a wheel bolt hole.

[0015] Figure numbers: 101-handle; 201-anti-shrinkage table; 301-cutter head; 401-blade one; 402-blade two; 403-blade three; 501-fastening screw one; 502-fastening screw two; 503-fastening screw three; 504-fastening screw four; 601-positioning slot one; 602-positioning slot two; 603-positioning slot three; 604-positioning slot four; 701-mounting hole one; 702-mounting hole two; 703-mounting hole three; 704-mounting hole four; 801-cutting edge one; 802-cutting edge two; 803-cutting edge three. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0017] Example: Figure 1-Figure 5 A composite tool for processing wheel bolt holes shown in the figure includes a cutter head 301, and the cutter head 301 is an inverted cone structure. An anti-shrinkage platform 201 is fixedly installed at one end of the large size of the cutter head 301, and a tool handle 101 is fixedly installed on the anti-shrinkage platform 201. A blade 2 402 is installed at the other end of the cutter head 301, and a blade 1 401 and a blade 3 403 are respectively installed on both sides of the end of the cutter head 301 close to the blade 2 402.

[0018] Blade one 401 is installed on the cutter head 301 by fastening screw one 501, blade two 402 is installed on the cutter head 301 by fastening screw two 502 and fastening screw three 503, and blade three 403 is installed on the cutter head 301 by fastening screw four 504; blade one 401 is positioned by positioning groove one 601 and positioning groove two 602 to ensure the stability of the tool during processing; blade three 403 is positioned by positioning groove three 603 and positioning groove four 604, and products with different apertures can be processed by replacing blade two 402 and blade three 403, and products with different angles can be processed by replacing blade one 401.

[0019] The blade 401 includes a mounting hole 701 and a cutting edge 801. The mounting hole 701 is installed in a fastening screw 501. The blade 401 is fixed by the cooperation of the mounting hole 701 and the fastening screw 501. There are multiple cutting edges 801, and the aperture specifications and shapes of the multiple cutting edges 801 are different. During processing, the processing of products with different apertures can be achieved through cutting edges 801 of different shapes; at the same time, it is convenient to position and fix the blade, thereby improving the stability and accuracy of the installation of the blade.

[0020] Blade 2 402 includes mounting hole 2 702, mounting hole 3 703 and cutting edge 2 802. Mounting hole 2 702 is installed in fastening screw 2 502, and mounting hole 3 703 is installed in fastening screw 3 503. The fixing of blade 2 402 is achieved by the cooperation between mounting hole 2 702 and fastening screw 2 502, and between mounting hole 3 703 and fastening screw 3 503. There are multiple cutting edges 2 802, and the aperture specifications and shapes of the multiple cutting edges 2 802 are different. During processing, the processing of products with different apertures is achieved through cutting edges 2 802 of different shapes. At the same time, it is convenient to position and fix blade 2, thereby improving the stability and accuracy of blade 2 installation.

[0021] Blade three 403 includes mounting hole four 704 and cutting edge three 803. There are multiple cutting edges three 803, and the aperture specifications and shapes of the multiple cutting edges three 803 are different. During processing, different aperture products can be processed by cutting edges three 803 of different shapes; at the same time, it is convenient to position and fix blade three, thereby improving the stability and accuracy of blade three installation.

[0022] The working principle of the utility model is:

[0023] During the working process, the wheel is clamped on the CNC machine tool through a fixture, and the motor drives the CNC machine tool spindle to rotate, thereby rotating the wheel at a certain speed. The tool is clamped on the turret, and the wheel bolt hole is processed at a certain feed rate (according to the feed rate required in the actual processing) using the pre-programmed processing formula (such as Figure 5 as shown).

Claims

1. A composite tool for machining wheel bolt holes, characterized in that: The knife head (301) comprises a knife head (301), wherein the knife head (301) is of an inverted cone structure, an anti-shrinkage platform (201) is fixedly mounted on a large end of the knife head (301), a knife handle (101) is fixedly mounted on the anti-shrinkage platform (201), a second blade (402) is mounted on the other end of the knife head (301), and a first blade (401) and a third blade (403) are respectively mounted on both sides of an end of the knife head (301) close to the second blade (402); The blade one (401) is mounted on the cutter head (301) by means of a fastening screw one (501), the blade two (402) is mounted on the cutter head (301) by means of a fastening screw two (502) and a fastening screw three (503), and the blade three (403) is mounted on the cutter head (301) by means of a fastening screw four (504); the blade one (401) is positioned by means of a positioning groove one (601) and a positioning groove two (602) to ensure the stability of the tool during machining; the blade three (403) is positioned by means of a positioning groove three (603) and a positioning groove four (604), and products with different apertures can be machined by replacing the blade two (402) and the blade three (403), and products with different angles can be machined by replacing the blade one (401).

2. A composite tool for machining wheel bolt holes as claimed in claim 1, characterized in that: The blade 1 (401) comprises a mounting hole 1 (701) and a cutting edge 1 (801); the mounting hole 1 (701) is mounted in a fastening screw 1 (501); the blade 1 (401) is fixed by the cooperation of the mounting hole 1 (701) and the fastening screw 1 (501); a plurality of cutting edges 1 (801) are provided, and the aperture specifications and shapes of the plurality of cutting edges 1 (801) are different. During processing, the processing of products with different apertures can be achieved by using cutting edges 1 (801) with different shapes.

3. A composite tool for machining wheel bolt holes as claimed in claim 2, characterized in that: The blade two (402) comprises a mounting hole two (702), a mounting hole three (703) and a cutting edge two (802); the mounting hole two (702) is mounted in a fastening screw two (502); the mounting hole three (703) is mounted in a fastening screw three (503); the blade two (402) is fixed by the cooperation between the mounting hole two (702) and the fastening screw two (502), and the cooperation between the mounting hole three (703) and the fastening screw three (503); a plurality of cutting edges two (802) are provided, and the aperture specifications and shapes of the plurality of cutting edges two (802) are different. During processing, the processing of products with different apertures is achieved by using cutting edges two (802) with different shapes.

4. A composite tool for machining wheel bolt holes as claimed in claim 3, characterized in that: The blade three (403) includes a mounting hole four (704) and a cutting edge three (803). The cutting edge three (803) is provided in plurality, and the aperture specifications and shapes of the plurality of cutting edges three (803) are different. During processing, the cutting edges three (803) of different shapes can be used to process products with different apertures.

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