Casting mold for nodular iron casting

The utility model relates to the technical field of casting molds, in particular to a casting mold for nodular iron castings, which comprises a connecting plate, the top of the connecting plate is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly connected with a limiting plate. The bottom of the limiting plate is fixedly connected with an upper shell, and the bottom of the upper shell is movably connected with a lower shell. According to the casting mold for the nodular iron casting, through the connecting plate, the fixing plate, the electric push rod, the limiting plate, the upper shell, the lower shell, a baffle, a sliding rod, a spring and an extrusion rod, the positioning accuracy between the mold bodies can be improved during material injection, and meanwhile the firmness between the mold bodies can be improved; the situation that the quality of products is affected due to loosenes