A anchor clamps for small -size mould abrasive machining

The utility model discloses an anchor clamps for small -size mould abrasive machining belongs to the jig field. The utility model discloses set up fixed caliper and backup pad at the both ends of base crossbeam respectively, set up threaded hole in the backup pad, press from both sides tight screw rod and this screw hole thread engagement, and inner the rotation with movable clamp body of the tight screw rod of clamp is connected, the lower part is provided with the ladder spout in the base crossbeam, and the movable clamp body lower extreme stretches into this ladder spout and makes movable clamp body and base crossbeam sliding connection, base crossbeam bilateral symmetry is provided with the flank former, is equipped with vertical V -arrangement groove and horizontal V -arrangement groove on fixed caliper and movable clamp body's clamping face, and vertical V -arrangement groove is the cross setting with horizontal V -arrangement groove. The utility model discloses increase the area of contact of anchor clamps with the grinding machine workstation, increased the gravitation of electromagnet to anchor clamps, and the vertical V type groove that sets up can strengthen the clamping effect with horizontal V type groove, convenient to use, reliable.