Limiting tool special for casting mold

The utility model discloses a special limiting tool for a casting mould, which relates to the technical field of casting moulds and comprises a limiting tool device main body, the limiting tool device main body comprises a mould I, a moving device is arranged on one side of the mould I, and a fixing device is arranged on the front side of the mould I. Through the cooperation of the threaded rod, the threaded sleeve, the fixed seat, the sliding rod, the rotating ring, the fixed ring, the movable rod, the rotating wheel, the elastic ring, the fixed seat I, the fixed seat II, the rotating seat and the fixed threaded rod, the threaded rod is rotated to drive the mold I to move through the sliding rod by utilizing the threaded sleeve, and the rotating ring is rotated to rotate through the fixed ring; the elastic force of an elastic ring is utilized to extrude a movable rod, a first fixing base and a second fixing base are extruded and fixed through a rotating wheel, the rotating angle of the device is adjusted, a