Crawler-type shot blasting machine

The utility model relates to the field of shot blasting machines, and discloses a crawler-type shot blasting machine which comprises a machine body, a material return box is fixedly connected to the inner bottom wall of the machine body, a material guide plate is fixedly connected to the top end of the material return box, a crawler assembly body is movably connected to the inner wall of the machine body, and a door body is fixedly connected to one side of the machine body through a hinge. One side of the top end of the machine body is fixedly connected with a shot blasting device, the bottom end of the shot blasting device is fixedly connected with a shot blasting cover extending into the machine body, and one side of the machine body is fixedly connected with a recovery lifting chamber. According to the crawler-type shot blasting machine, the protective plate is a high-strength wear-resisting plate, the structural strength of the protective plate is large, large impact force can be borne, meanwhile, overlar