| 摘要 |
PURPOSE: An automatic input device of mold powder is provided to prevent sticking, breakout and re-oxidization of molten metal by stably supplying mold powder. CONSTITUTION: An automatic input device of mold powder includes a mold powder supply unit, a mold powder input unit, and a feeding unit. The mold powder supply unit includes a silo(11), an opening and closing device(12) installed at a discharge pipe(11a) of the silo, a first screw conveyor(13) to feed the mold powder, and a flexible tube(14) combined to the first screw conveyor. The mold powder input unit includes a second screw conveyor and a moving case(32) to receive the second screw conveyor. The feeding unit includes a fixed case(51) fixed in a tundish, a feeding plate(52) received in the fixed case, a guide(53) fixed on the moving plate, a holder(54) sliding in the guide, and two cylinders(55,56). Mold powder is inputted to a mold through the first screw conveyor, the flexible tube and the second screw conveyor.
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