公开(公告)号：US07647855B2

公开(公告)日：2010-01-19

申请号：US11850729

申请日：2007-09-06

申请人： Kazuo Ichimura

发明人： Kazuo Ichimura

IPC分类号： B23B31/02

CPC分类号： B23B31/28 ,  B23B2260/128 ,  Y10T82/16032 ,  Y10T82/2558 ,  Y10T82/2597 ,  Y10T279/21 ,  Y10T279/27

摘要： An electrically-operated chuck opening-closing device includes a chuck that grasps workpiece, a conversion device with a control gear provided to the outer circumference, a drawbar that couples the conversion device and the chuck, a transmission gear provided to a main spindle, a second rotary shaft rotatably pivoted to be parallel to the main spindle, a first gear and a second gear rotatably provided on the second rotary shaft, an auxiliary motor that drives the first gear, a first clutch that can couple and decouple the auxiliary motor and the second rotary shaft, and a second clutch that can couple and decouple the second rotary shaft and the second gear.

摘要翻译： 电动卡盘开闭装置包括夹持工件的卡盘，具有设置在外周的控制齿轮的转换装置，连接转换装置和卡盘的牵引杆，设置在主轴上的传动齿轮， 可转动地平行于主轴的第二旋转轴，可旋转地设置在第二旋转轴上的第一齿轮和第二齿轮，驱动第一齿轮的辅助马达，可以将辅助马达和第二齿轮耦合和分离的第一离合器， 第二旋转轴以及可以耦合和分离第二旋转轴和第二齿轮的第二离合器。