JPH0454611U

JPH0454611U -

Info

Publication number: JPH0454611U
Application number: JP9480390U
Authority: JP
Priority date: 1990-09-11
Filing date: 1990-09-11
Publication date: 1992-05-11

Description

[Brief explanation of the drawing]

図面第１図〜第３図は本考案に係る工具ホルダ
の実施例を示し、第１図は要部の正面図、第２図
は第１図の−線による断面図、第３図はスト
ツパの斜視図であり、第４図は従来の工具ホルダ
を主軸に装着した状態の断面図、第５図は従来例
の工具ホルダ正面図、第６図はドライブカラーの
斜視図である。符号１１はホルダ本体、１６は大径軸部、２１
はドライブカラー、２４ａ，２４ｂは突出キー、
４０はストツパ、４１は取付用ボルト、４２は取
付用穴、４３はストツパ面、４４は座ぐり穴、４
５はボルト穴である。 Drawings 1 to 3 show an embodiment of the tool holder according to the present invention, in which Fig. 1 is a front view of the main part, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a stopper holder. FIG. 4 is a sectional view of a conventional tool holder mounted on the main shaft, FIG. 5 is a front view of the conventional tool holder, and FIG. 6 is a perspective view of the drive collar. Reference numeral 11 indicates the holder body, 16 indicates the large diameter shaft portion, and 21
is the drive collar, 24a and 24b are the protruding keys,
40 is a stopper, 41 is a mounting bolt, 42 is a mounting hole, 43 is a stopper surface, 44 is a counterbore hole, 4
5 is a bolt hole.

Claims

[Scope of utility model registration request]

The rear end of the holder body has an axial fixing shaft portion for engaging with the axial fixing means provided at the bottom of the spindle hole, and a protruding key for torque transmission that fits into the keyway at the end of the spindle. a drive collar fitted on the outer periphery of the holder main body, a blade mounting base integrally provided at the front end of the holder main body, and a portion of the protruding key of the drive collar capable of engaging in the axial direction; A driving groove provided on the outer peripheral surface of the holder body slightly behind the blade mounting base, and the driving collar being freely movable in the axial direction within a certain limit range while the protruding key is engaged with the driving groove. a mechanism that
In the tool holder having a mechanism for pressing the drive collar toward the spindle side with respect to the holder body, a stopper is provided on the outer peripheral surface of the holder body for regulating the amount of movement of the drive collar toward the spindle side, and the stopper is A tool holder, characterized in that the tool holder is arranged in a position that makes surface contact with the rear end surface of the drive collar and is visible from the outside.