JPH0274102U

JPH0274102U -

Info

Publication number: JPH0274102U
Application number: JP15516988U
Authority: JP
Priority date: 1988-11-29
Filing date: 1988-11-29
Publication date: 1990-06-06

Description

[Brief explanation of drawings]

第１図は本考案の実施例におけるインサートの
被固定状態を示すホルダー先端部の拡大断面図、
第２図乃至第４図は第１図の被固定状態から固定
されるまでの工程を示す作用説明図、第５図ａは
第３図の―線断面図、第５図ｂは第５図ａの
―線断面図、第６図は従来例における固定構
造の固定状態を示すホルダー先端の断面図、第７
図は第６図の―線破断面図である。１……固定用ネジ、Ａ……インサートの穴、２
……ピン、Ｓ……保持部、２ａ……テーパ面、Ｔ
……保持部底面、４……カム、Ｗ……保持部壁面
、５……係合部、Ｉ……スローアウエイインサー
ト、Ｈ……ホルダー、１ａ……テーパ面。 FIG. 1 is an enlarged sectional view of the tip of the holder showing the fixed state of the insert in the embodiment of the present invention;
2 to 4 are action explanatory diagrams showing the process from the fixed state shown in FIG. 1 to the fixed state, FIG. Fig. 6 is a sectional view of the tip of the holder showing the fixed state of the fixing structure in the conventional example;
The figure is a broken sectional view taken along the line -- in FIG. 1... Fixing screw, A... Insert hole, 2
...Pin, S...Holding part, 2a...Tapered surface, T
. . . bottom surface of the holding portion, 4 . . . cam, W . . . wall surface of the holding portion, 5 .

Claims

[Scope of utility model registration request]

In a fixing structure in which a throw-away insert is fixed in a holding part of a holder by tilting a pin inserted through a hole in the insert via a fixing screw, The pin is provided with a tapered surface that contacts the pin, and the fixing screw is provided with a cam that presses into contact with the engaging portion formed on the shaft peripheral surface of the pin, and when the cam rotates, the cam engages with the engaging portion of the pin. A fixing structure for a throw-away insert, characterized in that the insert is pressed against a bottom surface and a wall surface of a holding part of a holder by pulling a pin into a holder and pressing the pin to tilt it.