Main iron runner castable screening equipment

The utility model relates to the field of screening, in particular to a main iron runner castable screening device which comprises a supporting frame and a movable screening frame arranged over the supporting frame, the four corners of the bottom of the movable screening frame are connected with the supporting frame through springs, and a vibration motor is installed on the side wall of the movable screening frame. A large particle filter screen is arranged at the bottom of the movable screening frame, a material groove is formed between the large particle filter screen and the movable screening frame, the X-axis air cylinders are symmetrically fixed to the side wall of the movable screening frame, L-shaped plates are fixed to the ends of piston rods of the X-axis air cylinders, Z-axis air cylinders are fixed to the tops of the L-shaped plates, and the Z-axis air cylinders are fixed to the tops of the Z-axis air cylinders. According to the main iron runner castable screening equipment, large-particle main iro