JPH0278207U

JPH0278207U -

Info

Publication number: JPH0278207U
Application number: JP15780088U
Authority: JP
Priority date: 1988-12-02
Filing date: 1988-12-02
Publication date: 1990-06-15
Also published as: JPH0453842Y2

Description

[Brief explanation of drawings]

第１図は本考案の実施例における要部を示す側
断面図、第２図は第１図Ａ―Ａ線に沿う断面図、
第３図は従来の例を示すチヤツクの正面図、第４
図は従来例における第１図相当の側断面図、第５
図は第４図のＢ―Ｂ線に沿う断面図、第６図は他
の実施例を示す側断面図である。１はチヤツク本体、２はスライド片、３はＴ字
形溝、４はスジ目、５はキー、６は生爪、７はね
じ孔、８は段部、９はスジ目、２０はスライド片
の凹溝、２１ａ…２１ｅはねじ孔、２２は取り付
けボルト孔、２３は凹溝、２４は補助キー、２５
は取り付けボルトである。 FIG. 1 is a side sectional view showing the main parts in an embodiment of the present invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1,
Figure 3 is a front view of a chuck showing a conventional example;
The figure is a side sectional view equivalent to figure 1 in the conventional example, and figure 5.
The figure is a sectional view taken along line BB in FIG. 4, and FIG. 6 is a side sectional view showing another embodiment. 1 is the chuck body, 2 is the slide piece, 3 is the T-shaped groove, 4 is the line, 5 is the key, 6 is the raw claw, 7 is the screw hole, 8 is the step, 9 is the line, 20 is the recess of the slide piece Grooves, 21a...21e are screw holes, 22 are mounting bolt holes, 23 are grooves, 24 are auxiliary keys, 25
is the mounting bolt.

Claims

[Scope of Claim for Utility Model Registration] 1. A chuck attached to the chuck body so as to be slidable in the radial direction within a certain range by hydraulic or pneumatic pressure,
A slide piece is provided with a positioning line on both sides of its surface, and a stepped portion corresponding to the diameter of the workpiece is machined, and a raw nail with a line on both sides of the surface that engages with the line is provided. In an automatic chuck for a machine tool, in which the slide piece is positioned by engaging the stripes with each other and fixed with a mounting bolt, the slide piece has a groove opening on the surface, and the bottom of the groove has a groove aligned in the sliding direction. A plurality of screw holes are provided, and a groove is provided on both sides of the groove opening, and a groove with the same width as the groove of the slide piece is provided on the back side, and a groove of the slide piece is formed on both sides of the opening. The slider is provided with a raw claw having interlocking stripes and a mounting bolt hole that matches the screw hole of the slide piece according to the diameter, and an auxiliary key that fits into the groove of the slide piece and the raw claw and inserts the mounting bolt. An automatic chuck for machine tools characterized by: 2. The automatic chuck for a machine tool according to claim 1, wherein the screw holes of the slide piece are provided at different intervals depending on the diameter.