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Drill bit

A drill bit and clamping rod technology, which is used in repairing drills, drilling tool accessories, drilling/drilling equipment, etc., can solve problems such as damage to the drill bit, increased cost, high temperature of the drill bit, etc., and achieves simple structure, cost saving, and reduced processing. effect of difficulty

Inactive Publication Date: 2012-10-31
SUZHOU TABINUO ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When drilling in metal processing, the treatment of drilling chips has always been a problem that needs to be dealt with. If the drilling chips accumulate too much and cannot be discharged well, it is easy to cause high temperature of the drill bit, which will damage the drill bit and affect the service life of the drill bit.
Most of the currently used drill bits are provided with spiral chip flutes on the outer circumference of the drill bit, and the processing of the chip flutes is very complicated, which increases the processing cost

Method used

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Embodiment Construction

[0011] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. like figure 1 , 2 As shown, the drill bit in the preferred embodiment of the present invention includes a clamping rod 1, which is cylindrical and has a central axis 2, a clamping plane 3 is provided on the outer circumference side, and three helical rods are welded at the end. The gear cutting arm 4, the outer side of the gear cutting arm 4 is surrounded by a central axis 5 coincident with the central axis 2, the end of the gear cutting arm 4 is provided with a cutting tooth 6, the cutting tooth 6 is hard alloy, welded on the cutting gear arm 4, for the convenience of drilling chips The discharge, the front tooth surface 7 and the rear tooth surface 8 of the cutting arm 4 and any tangent plane perpendicular to the central axis 5 form a front tooth line 9 and a rear tooth line 10, and the front tooth line 9 and the rear tooth line 1...

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Abstract

The invention discloses a drill bit. The drill bit comprises a cylindrical clamping rod with a central axis, clamping planes are arranged on the outer circumferential surface of the clamping rod, and the drill bit is characterized in that three cutting tooth arms are evenly and fixedly arranged at one end of the clamping rod, and a cutting tooth is arranged at the tail end of each cutting tooth arm. A cutting end of the drill bit is composed of the three spiral cutting tooth arms with the cutting teeth at the tail ends, and accordingly the drill bit is simple in structure. Moreover, difficulty in drill bit processing is greatly reduced, and cost is saved.

Description

technical field [0001] The invention relates to a drill bit, in particular to a metal processing drill bit. Background technique [0002] When drilling in metal processing, the treatment of drill cuttings has always been a problem that needs to be dealt with. If the drill cuttings accumulate too much and cannot be discharged well, it will easily cause high temperature of the drill bit, damage the drill bit, and affect the service life of the drill bit. Most of the currently used drill bits are provided with spiral chip flutes on the outer circumference of the drill bit, and the processing of the chip flutes is very complicated, which increases the processing cost. Contents of the invention [0003] The invention overcomes the defects of the prior art and provides a drill bit whose cutting end is composed of three helical cutting arms with cutting teeth at the ends. [0004] The technical solution of the present invention is: a drill bit, including a cylindrical clamping r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/00
Inventor 杨保强
Owner SUZHOU TABINUO ELECTROMECHANICAL