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1. 发明授权

US5575041A Resiliently yieldable tail stock device for use in a numerically controlled lathe 失效
标题翻译：用于数控车床的弹性可靠的尾料装置
公开(公告)号：US5575041A
公开(公告)日：1996-11-19
申请号：US322127
申请日：1994-10-13
申请人： Juong W. Lee
发明人： Juong W. Lee
IPC分类号： B23B23/00 , B23Q5/58
CPC分类号： B23Q5/58 , B23B23/00 , B23B2260/062 , Y10T82/2564 , Y10T82/2574
摘要： A resiliently yieldable tail stock device for use in a numerically controlled lathe comprises a body slidable along a bed toward and away from a spindle, the slidable body having a bore and a passage hole each formed therethrough in an axial alignment with the spindle. Removably received within the bore of the slidable body is a center socket movable between an extended position and a retracted position and having a tapering blind bore open at its front end. The center socket carries a live center that has a pointed front end engageable with a workpiece and a tapering rear shank fitted into the tapering bore. Fixedly secured to the center socket is an elongate rod carrying a dog at its distal end. A compression spring is used to resiliently bias the center socket toward the extended position. A combination of electric motor and lead screw serves to cause a linear reciprocating movement of the slidable body. The electric motor is deenergized as the dog reaches a rearmost position just above a proximity switch.
摘要翻译：用于数控车床的可弹性收缩的尾料装置包括可沿着床向主轴和远离主轴滑动的本体，该滑动体具有孔和通孔，所述通孔与主轴轴向对准。可移动地容纳在可滑动体的孔内的是可在延伸位置和缩回位置之间移动并具有在其前端开口的锥形盲孔的中心插座。中心插座带有活动中心，其具有可与工件接合的尖端前端和装配到锥形孔中的锥形后柄。固定在中心插座上的是一根细长的杆，在其远端装有一只狗。使用压缩弹簧将中心插座朝向伸出位置弹性偏置。电动机和丝杠的组合用于使可滑动体的线性往复运动。当狗到达接近开关正上方的最后位置时，电动马达被断电。

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