Mold for casting propeller blade core box

The utility model provides a mold for casting a propeller blade core box, which is characterized by comprising an isolation box and a mold core box, the molding unit is arranged in the isolation box; the pouring unit is arranged at the lower end of the isolation box; the backflow unit is arranged on one side of the molding unit; during working, pouring liquid is poured from the pouring unit, the pouring liquid enters the molding unit for casting after being treated by the pouring unit, and the molding cavity type structure is arranged in the molding unit, so that the attractive appearance of a casting is ensured. The clamping blocks are arranged in the isolation box to form the ring shape shown in the figure, when casting liquid is poured, the casting liquid enters the convex groove and the concave groove along the spiral body forming cavity to form the blades, after casting is finished, the clamping blocks can be dispersed outwards and moved out, at the moment, the whole propeller casting can be directly tak