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Self-cooling type drill bit

A self-cooling, drill bit technology, applied in the direction of drill repair, tapered drill, drill tool accessories, etc., can solve the problem of poor cooling effect, achieve the effect of improving drilling and grinding efficiency and reducing high temperature

Active Publication Date: 2016-06-29
惠州市中德纳微科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it is not enough to absorb the heat generated during the friction process of the drill bit only through the heat-absorbing medium set inside, and this cooling method can only cool a little heat of the drill bit, and has no cooling effect on the workpiece rubbed against it, so the overall poor cooling

Method used

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Embodiment Construction

[0021] In order to make the purpose and technical solution of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0022] As shown in the figure, a self-cooling drill bit includes a drill body 1, a drill seat 2, a drill bit 11, a drill rod 12, a connecting part 10, a hole 13, a pivot section 20, a grinding aid liquid pipe 21 and a cooling gas pipe 22 and other technical characteristics.

[0023] A self-cooling drill bit, including a drill body and a drill seat for installing the drill body. There is a cavity inside the drill body, and the dr...

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Abstract

The invention discloses a self-cooling type drill bit. A cavity is formed in the drill bit. The drill bit comprises a drill bit body at the top, a drill rod in the middle and a connecting portion with the tail pivoted to a drill bit seat. The drill bit body is in an inverted conical shape. The drill rod is in the shape formed by connecting at least two inverted circular truncated cones. The drill bit body and the drill rod are provided with multiple holes communicating with the cavity in the drill bit. A pivot joint segment body is connected with two pipes extending outwards, namely the grinding aid liquid pipe and the cooling gas pipe. The outer portion of the cooling gas pipe is connected with an air compressor. The outer portion of the grinding aid liquid pipe is connected with grinding aid equipment. The drill bit integrates drilling, lubricating and cooling, lubricating can be conducted while drilling, and no extra cooling and lubricating device needs to be designed for drilling equipment, so that the drill bit equipment is simplified. When the drill bit works, drilling and grinding efficiency can be improved through grinding aid, and the edges of drilled holes are smooth and not sharp and coarse.

Description

technical field [0001] The invention relates to a drill bit, in particular to a self-cooling drill bit, which belongs to the technical field of machining. Background technique [0002] Traditional drills are all solid drills. For example, the application number is 201520621081.7, and the name of the invention is a three-edged drill. When used with a drilling machine or a machine tool, it is necessary to add additional coolant and a cooling mechanism to the drilling machine or machine tool, which increases the capacity of the machine tool. Occupying an area, and placing cooling liquid tanks and liquid pipes outside the machine tool increases the burden on operators. [0003] For another example, the application number is 201420811478.8, and the title of the invention is a cemented carbide internal cooling drill. Cooling pipes are arranged inside the drill bit and the drill shank; the hollow cavity of the cooling pipe is filled with an absorption heat transfer medium; Both en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B51/06
CPCB23B51/0081B23B51/06
Inventor 马峻孙建明
Owner 惠州市中德纳微科技有限公司
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