Automatic opening and closing mold of rain shoe machine

The automatic opening and closing mold of the rain shoe machine comprises a mold structure and a mechanical arm cover opening mechanism, the mold structure comprises a mold base, a left mold side wall, a right mold side wall and a mold top cover, the mold base, the left mold side wall, the right mold side wall and the mold top cover form a mold cavity for forming rain shoes, translation moving pieces are arranged on the left mold side wall, the right mold side wall and the mold top cover, and the mechanical arm cover opening mechanism is arranged on the mold cavity. The mold base is connected with the mechanical arm cover opening structure; the mechanical arm uncovering mechanism drives the mold base to rotate in the axial direction, and during rotation, the bottom mold positioning pin shaft is inserted into the side wall positioning pin hole and locks the left mold side wall and the right mold side wall. According to the utility model, the bottom die positioning pin shafts are matched with the side wall posi