Automobile processing hole drilling cutter

A technology for drilling tools and automobiles, which is applied in metal processing equipment, drilling/drilling equipment, and drill repairing. Highly stable effect

Inactive Publication Date: 2018-11-23
ZHONGSHAN YUANFENG PRECISION CUTTING TOOL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the processing of connection holes, especially the forming process of step holes, multiple cutters are used to drill holes in sections, which is easy to cause deviation and affect the stability of assembly

Method used

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  • Automobile processing hole drilling cutter
  • Automobile processing hole drilling cutter
  • Automobile processing hole drilling cutter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The scheme of this application is further described in conjunction with the accompanying drawings as follows:

[0017] See attached Figure 1-3 , a drilling tool for automobile processing, comprising a cutter bar 1 and a cutter head formed at one end of the cutter bar 1, the cutter head includes three evenly distributed cutting teeth 2, and the cutting teeth 2 take the longitudinal central axis as a reference axis Turning clockwise, chip removal grooves 8 are provided between adjacent cutting teeth 2 .

[0018] The cutting tooth 2 includes a first reaming section 21 , a second reaming section 22 and a transition section 23 in sequence. The first reaming section 21 includes an end face cutter 3 arranged on the end face of the cutter head, a first reaming cutter 4 extending toward the side of the cutter head, and a first reaming cutter 4 connecting the first reaming cutter 4 and the second reaming section 22. shoulder 5. The second reaming section 22 includes a second ...

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PUM

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Abstract

The invention provides an automobile processing hole drilling cutter, which comprises a cutter rod and a cutter head shaped at one end of the cutter rod, wherein the cutter head comprises a pluralityof cutting teeth; the cutting teeth performs clockwise or anticlockwise torsion by using a longitudinal center shaft as a reference shaft; a chip discharging groove is formed between the adjacent cutting teeth; each cutting tooth sequentially comprises a first reaming section, a second reaming section and a transition section; the first reaming section comprises an end surface cutter arranged at the end surface of the cutter head, a first reaming cutter extending towards the side surface of the cutter head and a first shoulder part connected between the first reaming cutter and the second reaming section; the second reaming section comprises a second reaming cutter and a second shoulder part connected with the second reaming cutter and the transition section. The automobile processing reaming cutter provided by the invention has the advantages that the one-step reaming shaping efficiency is high; the precision is high; firmness and durability are realized.

Description

technical field [0001] The invention relates to a drilling tool for automobile processing. Background technique [0002] In the automotive industry, the parts and connecting holes need to be closely matched to prevent loosening caused by the vibration of the car. In the process of connecting holes, especially the forming process of step holes, multiple cutters are used to drill holes in sections, which is easy to cause deviation and affect the stability of assembly. Contents of the invention [0003] In order to solve the above problems, the present invention proposes a drilling tool for automobile processing, which has high efficiency of one-time reaming and forming, high precision, and durability. [0004] The invention proposes a drilling tool for automobile processing, which includes a cutter bar and a cutter head formed at one end of the cutter bar. The cutter head includes a plurality of cutting teeth, and the cutting teeth are rotated clockwise or counterclockwise ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/00
CPCB23B51/009B23B2251/408
Inventor 朱松林廖志雄
Owner ZHONGSHAN YUANFENG PRECISION CUTTING TOOL CO LTD
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