| 摘要 |
The invention relates to a clamping device arranged on a machine tool and used for a hollow shaft ( 2 ) provided with slanted clamping inclinations extending inside a receiving element for said hollow shaft ( 2 ), comprising clamping claws ( 6 ) which are mounted in the working spindle ( 5 ) of the machine tool, which can be actuated by means of a clamping head ( 3 ) which is guided in the working spindle ( 5 ) and which is axially displaceable therein and on which clamping inclinations ( 7 ), which have correspondingly slanted inclined surfaces ( 13 ) used for clamping purposes, come to rest. The clamping device ( 1 ) comprises a retaining rod which is associated with the working spindle ( 5 ) and on which retaining tongues ( 9 ), extending parallel to said clamping claws ( 6 ) and which are elastic in a radial direction, are configured and are provided with retaining surfaces which are correspondingly inclined in relation to the clamping inclinations ( 7 ), said retaining surfaces being adjacent to the clamping inclinations ( 7 ) of the hollow shaft ( 5 ) placed on the machine tool. Each of the retaining tongues ( 9 ), when seen from the working spindle ( 5 ), has a centering surface ( 11 ), which comes to rest on the free end of the hollow shaft ( 2 ), located in an axially upstream position from the retaining surface ( 10 ) on a radially outer surface.
|
