180-degree opening and closing type gear type pneumatic claw

The utility model relates to a 180-degree opening and closing type gear type pneumatic claw which comprises a cylinder body, a piston and a piston rod, the piston rod is fixedly connected with a screw rod, the screw rod is arranged in a screw hole with one closed end, a first through hole and a second through hole are formed in the positions, located on the two sides of the screw hole, of the cylinder body and orthogonally tangent to the screw hole, and a first rotating piece and a second rotating piece are placed in the first through hole and the second through hole respectively. The first rotating part and the second rotating part are of the same structure, an integrally-formed gear is arranged in the middle of the first rotating part and driven by a screw in an engaged mode, a first supporting plate and a second supporting plate of the first pneumatic claw are hinged to the two ends of the first rotating part respectively, and a first supporting plate and a second supporting plate of the second pneumatic c