JPH0164307U

JPH0164307U -

Info

Publication number: JPH0164307U
Application number: JP1987160929U
Authority: JP
Priority date: 1987-10-21
Filing date: 1987-10-21
Publication date: 1989-04-25

Description

[Brief explanation of the drawing]

第１図ないし第３図は本考案の一実施例を示す
図であつて、第１図はボーリングバーに適用され
たスローアウエイチツプのクランプ機構の先端視
図、第２図は同スローアウエイチツプのクランプ
機構の平面図、第３図は第２図の―線に沿う
断面図、第４図ないし第５図は他のスローアウエ
イチツプのクランプ機構を示す平面図、第６図は
他のカツタ本体およびカートリツジの形状を示す
断面図、第７図は従来例として示したスローアウ
エイチツプのクランプ機構の断面図である。１１……カツタ本体（工具本体）、１１ｂ……
取付凹部、１１ｃ……ねじ穴（カートリツジ取付
孔）、１１ｄ……ねじ穴（チツプ取付孔）、１２
……カートリツジ、１２ａ……壁部、１２ｂ……
チツプ取付座、１２ｃ……くぼみ部（逃がし部）
、１２ｄ……係止孔（カートリツジ係止孔）、１
２ｅ……貫通孔、１３……スローアウエイチツプ
、１３ａ……係止孔（チツプ係止孔）、１４……
ねじ（カートリツジ固定部材）、１５……ねじ（
チツプ固定部材）。 1 to 3 are views showing an embodiment of the present invention, in which FIG. 1 is a top view of a clamping mechanism for a throw-away tip applied to a boring bar, and FIG. 3 is a sectional view taken along the line - in FIG. 2, FIGS. 4 and 5 are plan views showing the clamping mechanism for other throwaway tips, and FIG. 6 is a sectional view taken along the line - in FIG. FIG. 7 is a cross-sectional view showing the shapes of the main body and the cartridge, and FIG. 7 is a cross-sectional view of a clamping mechanism for a throw-away tip shown as a conventional example. 11... cutter body (tool body), 11b...
Mounting recess, 11c...Screw hole (cartridge mounting hole), 11d...Screw hole (chip mounting hole), 12
...Cartridge, 12a...Wall part, 12b...
Chip mounting seat, 12c... recessed part (relief part)
, 12d...Lock hole (cartridge lock hole), 1
2e... Through hole, 13... Throwaway chip, 13a... Locking hole (chip locking hole), 14...
Screw (cartridge fixing member), 15...screw (
tip fixing member).

Claims

[Claims for Utility Model Registration] A tool body having a mounting recess, and a chip mounting seat that is placed in the mounting recess of the tool body and on which a throw-away chip is placed, and the chip mounting seat has a A dog-shaped wall portion is formed on the base end side of the throw-away tip, and the two adjacent side surfaces of the throw-away tip come into contact with each other, and a through-hole penetrating the bottom surface is formed at a position corresponding to the tip locking hole of the throw-away tip. A relief part for the corner of the throwaway tip is formed in the bent part of the dogleg-shaped wall part, and
A cartridge is formed with a cartridge locking hole that extends through the bottom surface of the cartridge and is continuous with the relief portion; a tip fixing member that is engaged with a tip attachment hole formed in the attachment recess of the tool body to fix the throw-away tip in the attachment recess of the tool body with the cartridge sandwiched therebetween; A clamping mechanism for a throw-away tip, comprising: a cartridge fixing member whose other end is engaged with a cartridge mounting hole formed in a tool body to fix the cartridge in a mounting recess of the tool body. .