ELECTRIC CLAMP APPARATUS

摘要

An electric clamp apparatus includes a body, a rotary drive unit which is driven rotatably by an electric signal, and a rotary body rotated under a driving action of the rotary drive unit. Gear teeth of a clamp arm are enmeshed with helical screw grooves formed on the outer circumferential surface of the rotary body. The rotary body is rotated by driving the rotary drive unit, whereby the clamp arm, which is enmeshed with the screw grooves, is rotated through a predetermined angle to bring about a clamped state for clamping a workpiece.

主权项

1. An electric clamp apparatus comprising:
a body; a drive unit which is driven rotatably by an electric signal; a clamp arm disposed rotatably with respect to the body for gripping a workpiece; and a transmission mechanism for transmitting a rotary drive force of the drive unit to the clamp arm, wherein the transmission mechanism includes a rotary body, which is rotated upon being driven by the drive unit and having helical screw grooves formed on an outer circumferential surface thereof, and a gear connected to the clamp arm and having gear teeth enmeshed with the screw grooves, wherein by rotation of the rotary body, a rotary drive force is transmitted to the clamp arm through the gear, wherein a damper made of an elastic material is provided on an end in an axial direction of the rotary body.