JPH0247191U

JPH0247191U -

Info

Publication number: JPH0247191U
Application number: JP12551188U
Authority: JP
Priority date: 1988-09-26
Filing date: 1988-09-26
Publication date: 1990-03-30

Description

[Brief explanation of drawings]

第１図ないし第３図はこの考案の一実施例を示
し、第１図はチヤツク装置の構成を、開状態と共
に示す正面図、第２図はワークをチヤツキングし
た状態を示す正面図、第３図はワークをチヤツキ
ングした第１の爪部および第２の爪部廻りを拡大
して示す正面図、第４図および第５図はこの発明
のそれぞれ異なる他の実施例の要部を示す正面図
、第６図は従来のチヤツク装置を示す正面図であ
る。５，５ａ……ワーク、６……ワークセツト部位
、７……第１の爪部、７ａ……平坦面、９……大
２の爪部、１０……溝部、１１，１３ａ，１３ｂ
……回動駒、スライド子（移動量の比を定める手
段）、１４……シリンダ装置（駆動手段）。 1 to 3 show an embodiment of this invention, in which FIG. 1 is a front view showing the configuration of the chuck device in an open state, FIG. 2 is a front view showing a state in which a workpiece is being chucked, and FIG. The figure is an enlarged front view showing the vicinity of the first and second claws that chuck a workpiece, and FIGS. 4 and 5 are front views showing essential parts of other different embodiments of the present invention. , FIG. 6 is a front view of a conventional chuck device. 5, 5a...Workpiece, 6...Work set part, 7...First claw part, 7a...Flat surface, 9...Large 2 claw part, 10...Groove part, 11, 13a, 13b
...Rotating piece, slider (means for determining the ratio of movement amount), 14... cylinder device (driving means).

Claims

[Scope of utility model registration request]

Movement with respect to a work setting part where a workpiece having a round cross section is set, and the work setting part which is arranged on one side of the work setting part and has a flat surface on the side facing the work setting part. a substantially V-shaped groove is formed in a side surface opposite to a flat surface of the first claw, which is disposed on the other side of the workpiece setting portion opposite to the first claw; a second claw part movable with respect to the workpiece setting part, and a flat surface of the first claw part and a groove slope of the second claw part synchronously approach and separate from the outer circumference of the workpiece. a means for determining a ratio of the amount of movement of the first claw part and the second claw part; 1. A chuck device comprising a drive means for opening and closing the chuck with reference to the workpiece setting section.