Clamp apparatus

摘要

A clamp apparatus is equipped with a body, and a drive unit having a piston displaced under the supply of a pressure fluid. A clamp arm is disposed rotatably on the body. In addition, a piston rod of the drive unit is connected detachably with respect to a displaceable body of a driving force transmission mechanism which is disposed in the interior of the body. Upon detachment of a connector of the piston rod from a connecting recess of the displaceable body, the state of connection between the drive unit and the driving force transmission mechanism is released.

主权项

1. A clamp apparatus for clamping a workpiece by rotation of a clamp arm, comprising:
a body; a drive unit having a piston that is displaced along an axial direction upon supply of a pressure fluid; a driving force transmission mechanism disposed in an interior of the body and connected to the drive unit, the driving force transmission mechanism converting linear displacement of the drive unit along the axial direction into rotational displacement, and transmitting a driving force of the drive unit to the clamp arm; and a connection mechanism for switching a state of connection of the drive unit with respect to the driving force transmission mechanism, wherein the drive unit is disposed detachably with respect to the driving force transmission mechanism through the connection mechanism, wherein the connection mechanism comprises a connector formed on an end of a piston rod that is connected to the piston; and a linkage formed on an end of a displaceable body of the driving force transmission mechanism on a side near the drive unit, the linkage being engaged with the connector, wherein the displaceable body is displaceable to project to an exterior of the body, and wherein the linkage is open on one side in the exterior.