JPH0270910U

JPH0270910U -

Info

Publication number: JPH0270910U
Application number: JP14754688U
Authority: JP
Priority date: 1988-11-14
Filing date: 1988-11-14
Publication date: 1990-05-30

Description

[Brief explanation of drawings]

第１図と第２図は、本考案に係るチヤツキング
装置を竪型ギヤシエーバーのチヤツクに適用した
一実施例を示す正面図と第１図中Ｂ―Ｂ断面図で
ある。また、第３図と第４図はそれぞれ従来のチ
ヤツクの一例を示す正面図と側面図であり、第５
図は従来のトツプジヨウを示す斜視図である。図中、１はチヤツク本体、５はスライドベース
、６はトツプジヨウ、１１はカムプレート、１２
はピニオン軸、１３はピニオン、１４はクランプ
アーム、１６，１７はドリブンブロツク、１８は
生爪、１９はベツド、２０ａ，２０ｂは油圧シリ
ンダである。 1 and 2 are a front view and a sectional view taken along line BB in FIG. 1, respectively, showing an embodiment in which a chucking device according to the present invention is applied to a chuck of a vertical gear shifter. 3 and 4 are a front view and a side view, respectively, showing an example of a conventional chuck.
The figure is a perspective view showing a conventional top gear. In the figure, 1 is the chuck body, 5 is the slide base, 6 is the top gear, 11 is the cam plate, 12
13 is a pinion shaft, 13 is a pinion, 14 is a clamp arm, 16, 17 are driven blocks, 18 is a loose jaw, 19 is a bed, and 20a, 20b are hydraulic cylinders.

Claims

[Scope of Claim for Utility Model Registration] A scroll-type chucking device that is attached to a work table that is movably provided with respect to the machine body, and in which the workpiece gripping part of the workpiece gripping claw is formed in an arc shape, Rotatably held in the device,
A cam plate having a cam groove for scroll-driving the work gripping claw and a tooth groove formed on the outer periphery; a pinion that meshes with the tooth groove of the cam plate is formed at one end, and the other end 1. A chucking device comprising: a clamp shaft having a clamp arm formed therein that is pressed and driven in both forward and reverse rotation directions by a drive means provided on the machine body side;