Workpiece clamping device with face driver
AssigneeLiebherr-Verzahntechnik GmbH
InventorJohannes WEIXLER
Life of this patent
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Abstract
This present disclosure relates to a device for rotary entrainment of a workpiece clamped between two tips, which is mounted on a machine table of a machine tool, consisting of a base body with a centrically arranged tip and a plurality of concentrically arranged, axially shiftable driver elements which for the rotary entrainment of the workpiece are pressed against or into an end-face surface, wherein an axial position of the driver elements can be defined by active fixation after a centering operation of the workpiece, and to a receptacle opposite the base body, for example a tip or hollow tip, which serves a guidance of an opposite side of the workpiece.
Claims20
A machine tool device configured to receive a workpiece between two tips, the machine tool device comprising:
- a plurality of driver elements arranged concentrically around a central axis of a lower tip for rotary entrainment of the workpiece, wherein each driver element of the plurality of driver elements is adjustably mounted in an axial direction of the workpiece in a lower part of the machine tool device;
- wherein each driver element is configured to engage with an end face of a workpiece;
- and wherein the plurality of driver elements is coupled to an actuator for selective engagement of the driver elements with the end face.
A machine tool device configured to receive a workpiece between two tips, the machine tool device comprising:
- a plurality of compliantly mounted supporting bolts for supporting the workpiece;
- and a plurality of driver elements arranged concentrically around a centering tip for rotary entrainment of the workpiece, wherein:
- each driver element of the plurality of driver elements is adjustably mounted in an axial direction of the workpiece in a lower part of the machine tool device;
- each driver element is configured to engage with an end face of the workpiece;
- the plurality of driver elements is coupled to an actuator for selective engagement with the end face;
- of the actuator is a tension bolt arranged in an axial direction of the device;
- wherein the driver elements are coupled to clamping elements;
- and the clamping elements are configured to retain the driver elements in engagement with the end face.
A method for clamping a workpiece with a device, comprising centering the workpiece between two tips along a direction perpendicular to a central axis of the workpiece, engaging driver pins of the device with an end face of the workpiece by actuation of a tension bolt, and subsequently retaining the driver pins in engagement with the end face by actuation of clamping elements coupled to the driver pins.
Dependencies are inferred from the claim text.