Robot fixing device

The invention discloses a robot fixing device which comprises a box body and a fixing mechanism. The fixing mechanism is mounted on the box body and comprises a push plate, two connecting rods, a pullrod, a bolt and a buffer plate. The two connecting rods are symmetrically fixedly mounted at the front end and the rear end of the push plate, and the pull rod is in rivet joint with the right end ofeach connecting rod. The pull rod is movably mounted in a sliding groove in the inner wall of the box body, and the bolt is connected with the pull rod through a threaded hole in the box body. A rotary handle is fixedly mounted at the outer end of the bolt, and the rotary handle is mounted on the outer side of the box body. The buffer plate is fixed to the inner end of the pull rod through pins,and the right end of the buffer plate makes contact with the right wall of an inner cavity of the box body. The buffer plate is arranged on the right side of the push plate which is assembled at the left end inside the box body