Double -jaw mechanical arm clamp

The utility model provides a double -jaw mechanical arm clamp, including flange (1), mounting panel (2) and clamping jaw (3), its characterized in that, flange (1) fixed mounting be in the centre of mounting panel (2), mounting panel (2) are in a pair of parallel slide (31) are respectively installed to flange (1) both sides, parallel slide (31) are gone up and are installed a pair ofly through four slider (32) clamping jaw (3), clamping jaw (3) comprise main clamping jaw (33) and vice clamping jaw (34), the centre of four slider (32) is equipped with one gear (35), with this gear (35) are meshed mutually and are provided with two and fix respectively main clamping jaw (33) and parallel rack (36) on vice clamping jaw (34), it is arbitrary piston rod (371) of serving connection cylinder (37) of clamping jaw (3), the other end of cylinder (37) is connected on mounting panel (2). The utility model provides a double -jaw mechanical arm clamp's flange and mounting panel joint strength are high, and the circular product of great weight is got to suitable clamp, the clamping jaw snatch precision height, good reproducibility.