POSITIONING DEVICE

摘要

A clamp pallet (2) as a reference member is fixed to a table (1) of a machining center. A tapered positioning hole (12) is opened in the lower face of a work pallet (3) as a movable member. A circular center column (21) is stood upward from the clamp pallet (2), and an intermediate member (22) is provided between the center column (21) and the positioning hole (12). The intermediate member (22) is constructed from a shuttle member (23) and a tapered tube (26). The shuttle member (23) is diametrically expanded and reduced, and is vertically movably supported at the center column (21). The tapered tube (26) is installed on the outer periphery of the shuttle member (23) and engages the positioning hole (12). The shuttle member (23) is urged upward by an elastic member (24).