GRANULAR PACKING MATERIAL PACKING DEVICE FOR MOLDING AND POURING METHOD FOR CASTING MOLD

摘要

PROBLEM TO BE SOLVED: To provide a granular packing material packing device which is rapid in packing of granular packing materials, is reduce in an equipment cost and is further capable of manufacturing good-quality castings. SOLUTION: The granular packing material packing device in the molding and pouring method for casting molds which is arranged with a molding flask around the flaskless casting mold and pours molten metal into the casting mold after packing the granular packing materials between the casting mold and the molding flask has a molding board which is pierced with plural vent holes communicating a suction means and is placed with the casting mold, a closure means which is capable of hermetically closing the apex of the molding flask and the casting mold and is movable and a granular packing material feeding means which is disposed at this closure means.