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Drilling component used for drilling technique of hard alloy materials

A technology of cemented carbide and components, applied in the direction of drilling/drilling equipment, parts of boring machine/drilling machine, drilling tool accessories, etc., can solve problems such as inappropriateness, and achieve the effect of improving work efficiency, reducing costs, and smooth processing

Inactive Publication Date: 2012-10-03
SHANGHAI MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shape processing often adopts the wire cutting process; for drilling, if the twist drill is directly used for drilling, since the hardness of the twist drill itself is far less than that of the cemented carbide material, this process is obviously not suitable.

Method used

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  • Drilling component used for drilling technique of hard alloy materials
  • Drilling component used for drilling technique of hard alloy materials
  • Drilling component used for drilling technique of hard alloy materials

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Embodiment Construction

[0031] Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0032] Such as figure 1 As shown, the present invention discloses a drilling assembly used in the drilling process of cemented carbide materials. The drilling assembly is used for drilling cemented carbide materials with a thickness not greater than 5 mm in the processing of molds in a clamp bed. .

[0033] The drilling assembly includes a coaxially connected drill bit 1 , a tip set 3 and a shaft member 5 . The drill bit 1 and the shaft member 5 are respectively arranged at two ends of the tip casing 3 .

[0034] A snap ring positioning piece 4 is also mechanically connected between the top end sleeve 3 and the shaft member 5 .

[0035] A knurling section 51 is provided on the end of the shaft part 5 opposite to the tip sleeve 3 .

[0036] Such as figure 2 As shown, the top end sleeve 3 is configured as a cylinder, and its two end faces ar...

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Abstract

The invention discloses a drilling component used for the drilling technique of hard alloy materials, which is used for drilling the hard alloy material with the thickness being not more than 5mm. The drilling component comprises a drill bit, a top end sleeve piece and a rod body piece which are connected coaxially; the drill bit and the drill body piece are arranged at both ends of the top end sleeve piece respectively, the end face of the top end sleeve piece, opposite to the drill bit, is provided with a center hole, an annular groove is arranged at an opening end of the center hole; the end face of the top end sleeve piece, opposite to the rod body piece, is provided with a connecting structure, a channel is arranged on the outer end face of the connecting structure; a tungsten steel drill bit used for the drill bit is arranged in the center hole of the top end sleeve piece in series; the end part of the drill bit is stretched out of the center hole of the top end sleeve piece; the rod body piece is connected with the top end sleeve piece through sheathing the connecting structure; a knurling section is arranged on one end of the rod body piece opposite to the top end sleeve piece, and the knurling section of the rod body piece is arranged in an externally connected spanner drill chuck in series. The drilling component is good in structure integrity, high in precision, low in cost, strong in generality, and wide in application scale; furthermore, the processing quality is improved.

Description

technical field [0001] The invention relates to a clamp processing assembly, in particular to a drilling assembly used in the drilling process of cemented carbide materials. Background technique [0002] At present, in the manufacture of small and medium-sized motor molds, it is often necessary to prepare special tooling to match the manufacture of mold parts. Some special mold tooling needs to be drilled with cemented carbide materials, and assembled into special tooling after completion. [0003] Special tooling in mold manufacturing often uses discarded carbide milling inserts. Usually shaped and drilled. The shape processing often adopts the wire cutting process; for drilling, if the twist drill is directly used for drilling, since the hardness of the twist drill itself is far less than that of the cemented carbide material, this process is obviously not suitable. Contents of the invention [0004] The invention provides a drilling assembly used for the drilling proc...

Claims

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Application Information

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IPC IPC(8): B23B51/00B23B51/12
Inventor 季明浩叶善培沈剑
Owner SHANGHAI MARITIME UNIVERSITY
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