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Method for manufacturing drill bit with cutting tool bit replaceable and product thereof

A technology of cutter head and drill bit, which is applied in the direction of drilling/drilling equipment, drill repairing, drilling tool accessories, etc., can solve the problems of waste of materials and money, difficulty in popularizing and using drill types, etc., to reduce material waste, reduce processing costs, The effect of prolonging tool life

Inactive Publication Date: 2013-01-30
苏茂均
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Regrinding is generally manual grinding, which makes it difficult to popularize and use some drills that can improve cutting efficiency and prolong tool life; and drills generally can only be reground more than 10 times, and the remaining parts cannot be used, resulting in loss of materials and money. waste

Method used

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  • Method for manufacturing drill bit with cutting tool bit replaceable and product thereof
  • Method for manufacturing drill bit with cutting tool bit replaceable and product thereof
  • Method for manufacturing drill bit with cutting tool bit replaceable and product thereof

Examples

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Effect test

Embodiment Construction

[0024] see Figure 1 to Figure 3 , a method for preparing a drill bit with a replaceable cutting bit provided in this embodiment, comprising the following steps:

[0025] 1) Prepare a drill body 1: set a shank 4 and a working part 5; set a chip removal groove 6 on the working part 5, and set a cutter head fixing groove 7 horizontally at the front end; a part of the cutter head fixing groove 7 falls into the working part 5 The flute part of the flute 6, another part falls into the back of the working part 5, and is composed of the upper blade flute 71 and the lower part groove 72 consisting of the The cross section of type groove 72 is positioned at the middle part of working portion 5 cross sections; An arc-shaped protruding positioning block 73 is arranged in the middle of the bottom of the groove 72; the chip removal groove 6 is two straight or spiral chip removal grooves.

[0026] 2) Prepare a cutting bit 2 compatible with the bit fixing groove 7: set a cutting part 2...

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Abstract

The invention discloses a method for manufacturing a drill bit with a cutting tool bit replaceable. The method includes the following steps: 1) arranging a tool bit fixing groove which is composed of an upper blade groove and a lower model groove, and arranging a positioning block at the middle position of the bottom of the model groove; 2) manufacturing the cutting tool bit, arranging a model body fixing portion matched with the model groove, and arranging a positioning groove at the bottom of the cutting tool bit; 3) respectively arranging a locking hole on two lateral walls of the model groove; 4) arranging a through hole on a model body; 5) manufacturing a locking screw; and 6) assembling the cutting drill bit on the tool bit fixing groove. The invention further discloses the drill bit with the cutting tool bit replaceable. By means of the matching of the model groove and the model body, the cutting tool bit can be replaced and can bear larger cutting force during working; and the locking hole is arranged on the model groove on the lower portion of the tool bit fixing groove, so that the height of the cutting portion can be reduced, spiral angles on the cutting tool bit and a drill body are enlarged, and the chip removal capability is enhanced.

Description

technical field [0001] The invention relates to a drill bit preparation technology, in particular to a preparation method and a product of a drill bit with a replaceable cutting bit. Background technique [0002] In the prior art, the cutting part of the commonly used drill bit is integrated with the drill body. When the drill bit is used for a certain period of time, the cutting edge needs to be re-sharpened after being worn out. Regrinding is generally manual grinding, which makes it difficult to popularize and use some drills that can improve cutting efficiency and prolong tool life; and drills generally can only be reground more than 10 times, and the remaining parts cannot be used, resulting in loss of materials and money. waste. Contents of the invention [0003] In view of the above-mentioned deficiencies, the object of the present invention is to provide a method for preparing a drill bit with a replaceable cutting bit and the drill bit with a replaceable cutting ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/28B23B51/00
Inventor 苏茂均
Owner 苏茂均
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