JPS6423338U

JPS6423338U -

Info

Publication number: JPS6423338U
Application number: JP11854787U
Authority: JP
Priority date: 1987-07-31
Filing date: 1987-07-31
Publication date: 1989-02-07
Anticipated expiration: 2002-07-31
Also published as: JPH0627314Y2

Description

[Brief explanation of the drawing]

第１図は本考案にかかる工具ヘツドの実施例の
一部切欠正面図、第２図は従来の工具ヘツドの一
部切欠正面図である。１０……工具駆動軸、１３……第２流体通路、
２０……ケーシング、２１……第１流体通路、２
３……ボールベアリング、２４……シール部材、
４０……ドリル、４１……流体通路。 FIG. 1 is a partially cutaway front view of an embodiment of a tool head according to the present invention, and FIG. 2 is a partially cutaway front view of a conventional tool head. 10... Tool drive shaft, 13... Second fluid passage,
20...Casing, 21...First fluid passage, 2
3... Ball bearing, 24... Seal member,
40...drill, 41...fluid passage.

Claims

[Scope of utility model registration request]

The tool drive shaft has a proximal end connected to the main shaft of the machine tool, and has a tool having a fluid passage therein at its distal end, and a cylindrical body that rotatably supports the tool drive shaft. In a tool head configured to eject fluid supplied from a fluid supply source through a passage toward the cutting edge side, an annular groove provided on the inner periphery of the cylindrical body and connected to the fluid supply source is provided. a second fluid passage provided inside the tool drive shaft and communicated with the first fluid passage and the fluid passage, respectively; and a receiver provided on the distal and proximal end sides of the cylindrical body. a bearing that is fitted in a seat and rotatably supports the tool drive shaft; and a bearing that is installed between the bearing and the catch seat or a catch seat provided on the tool drive shaft, and the first fluid A tool head characterized by comprising a sealing member that seals the tip and base end of the passage.