Die preheating mechanism special for automobile hub spinning machine

The utility model relates to the technical field of dies, in particular to a die preheating mechanism special for an automobile hub spinning machine, which comprises a die body, a moving device and aheating box arranged on the rear side of the moving device, a heating plate is arranged at the top of the heating box, the moving device comprises a moving box, and two sliding rods are arranged on the left side and the right side of the moving box respectively. A supporting frame is inserted and fixed to the positions, close to the two ends, of the sliding rod, a sliding base is slidably connected to the outer portion of the sliding rod, the sliding base is fixedly welded to the movable box, a circular groove is formed in the top of the movable box, the mold body is matched with the circulargroove in an inserted mode, and a connecting rod is arranged at the top of the front side of the left side wall of the movable box. The movable box moves through cooperation of the sliding seat and the sliding rod, the manual