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1. 发明申请

WO1996004090A1 CHUCK 审中-公开
公开(公告)号：WO1996004090A1
公开(公告)日：1996-02-15
申请号：PCT/EP1995003016
申请日：1995-07-28
申请人： ZETTL GMBH CNC PRÄZISIONS- UND SONDERWERKZEUGE , NESPETA, Horst , PFOB, Franz , SCHÖLER, Friedrich , FLESCHUTZ, Werner
发明人： ZETTL GMBH CNC PRÄZISIONS- UND SONDERWERKZEUGE
IPC分类号： B23B31/12
CPC分类号： B23B45/006 , B23B31/1253 , B23B2260/078
摘要： The chuck as per the invention comprises a base body unit and, rotatably mounted thereon, a clamping jaw taper sleeve in which clamping jaws can be displaced in such a way that they are radially adjusted by means of axial displacement relative to the clamping jaw taper sleeve, a worm drive that axially displaces the clamping jaws and is actuated by rotation of the clamping jaw taper sleeve, and a gear for increasing the clamping force, wherein the worm drive has a first threaded body which is connected with the clamping jaws and is moved axially and a second threaded body which meshes therewith, the screw action providing that when the clamping jaw taper sleeve is rotated the first threaded body effects an axial movement which is transmitted to the clamping jaws. The chuck as per the invention is characterized in that the clamping force gear has a gear output member coupled to one of the threaded bodies and, meshed therewith, a gear input member which can be rotated about an axis to actuate the clamping force gear so as to exert a torque on the threaded body coupled to the gear output member, this torque being transformed into an axial force on the first threaded body.
摘要翻译：根据本发明的卡盘包括一个主体单元，其上可旋转地布置的夹紧爪变窄套筒，在夹爪可滑动并且被引导，使得它们相对于颚缩小套筒轴向位移径向调节，由夹爪变窄套筒的旋转可致动，所述夹爪轴向移动的主轴驱动器和一个夹紧力增大齿轮其中，所述主轴传动机构包括与所述夹爪将关联的，可轴向移动出第一螺纹体和其通过啮合的装置在螺纹的第二螺纹体上的与其上夹爪变窄套筒的旋转协作，使得所述第一螺纹体携带有转移到所述夹爪轴向运动。根据本发明的卡盘的特征在于，具有与耦合到变速器输出部件和啮合的螺纹体中的一个上的夹紧力增加的传输，使得变速器输入部件，其是可旋转的夹紧力，以便增大齿轮绕其轴线施加在与变速输出构件螺纹体的转矩的致动被变换成作用于第一螺纹体的轴向力的力。

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