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Drill

A technology of drill bit and drill shank, which is applied in the direction of drill bit, drill repairing, drilling tool accessories, etc. It can solve the problems of insufficient drilling performance, increase production cost, and reduce production efficiency, so as to achieve smooth cutting, avoid scrapping, and cut cutting convenient effect

Inactive Publication Date: 2015-08-19
启东市吕四科技创业中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the drilling performance of existing drill bits on the market is not strong enough, and the phenomenon of stopping drilling often occurs halfway through drilling, which reduces production efficiency, and also causes damage to some workpieces at the same time, increasing production costs

Method used

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  • Drill

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Embodiment Construction

[0018] Reference numerals: 1. Drill point, 2. Drill body, 3. Drill shank, 4. Locating groove

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0020] The structure of the drill bit of the present invention is as figure 1 As shown, a drill bit is composed of a drill point 1, a drill handle 3 and a drill body 2. One end of the drill body 2 is connected to the drill handle 3, and the connection mode between the drill handle 3 and the drill body 2 is welding. The other end of the body 2 is connected with the drill tip 1, and the connection mode between the drill tip 1 and the drill body 2 is welding, and the rear end of the drill shank 3 is provided with a positioning groove.

[0021] The structure of the drill body 2 is a cylinder with a diameter of 5-7cm and a height of 1-2cm. It is us...

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PUM

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Abstract

The invention discloses a drill. The drill consists of a drill tip, a drill stock and a drill body which are connected to one another, wherein one end of the drill body is connected with the drill stock in a welded manner; the other end of the drill body is connected with the drill tip in a welded manner; and a cone with a spiral structure is arranged on the surface of the drill tip. The drill has the advantages that the cylindrical drill stock with a positioning groove, the cylindrical drill body and the cone with the spiral structure are combined, the hole drilling strength is improved, chips are discharged smoothly, and the drill can be fastened effectively.

Description

technical field [0001] The invention belongs to the field of drill bits, in particular to a tapered drill bit. Background technique [0002] The drill bit is a tool that rotates and has cutting ability at the head end. It is generally made of carbon steel SK, or high-speed steel SKH2, SKH3 and other materials after milling or rolling and then quenched, tempered and heat-treated. It is used for metal Or drilling on other materials, it has a wide range of applications, and can be used on drilling machines, lathes, milling machines, hand drills and other machine tools. [0003] A drill is a tool used to drill through holes or blind holes in solid materials and to ream existing holes. Commonly used drills mainly include twist drills, center drills, flat drills, deep hole drills and casing drills. Although countersinking drills and countersinks cannot drill holes in solid materials, they are also customarily classified as drill bits. During the working process of digging, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/00B23B31/113E21B10/42
CPCB23B51/00B23B31/005B23B31/113B23B2240/16B23B2251/18B23B2251/24E21B10/42
Inventor 陈永兵
Owner 启东市吕四科技创业中心有限公司
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