Patent ID: 7100672

Claim:
A device for cooling a die casting metallic pattern having a cavity formed by coupling of upper, side, and lower molds, and a plug mounted to the upper mold and disposed toward the cavity, the device comprising: cool air passages formed in the upper mold and the side mold for circulating cool air; a coolant passage formed in the lower mold for circulating a coolant; a central hollow portion formed in the plug such that an upper portion of the plug becomes open; an air pump externally connected to the cool air passages formed in the upper and the side molds through first and second cool air pipes; a coolant pump externally connected to the coolant passage formed in the lower mold through the coolant pipe; a branch pipe branched out of the second cool air pipe and connected to the central hollow portion; first, second, and third temperature sensors respectively mounted in the upper, side, and lower molds for detecting temperatures thereof and for outputting the temperatures to a controller; and first, second, and third shut-off valves respectively mounted in the first cool air pipe, second cool air pipe, and the coolant pipe for selectively shutting and opening the first and second cool air pipes and the coolant pipe under the control of the controller.