Mold opening device for cast aluminum alloy machining

The utility model discloses a mould opening device for cast aluminum alloy processing, which comprises a base and a first shell, a second shell is welded at the top of the base, a support column penetrates through the top of the second shell, an inner gear is welded at one end of the bottom of the support column, and an outer gear is meshed and connected in the inner gear; the distance between the clamping plates is adjusted according to the width of the upper die of the die, the clamping stability of the upper die is improved under the cooperation with the electromagnet, the clamping plates drive the upper die to move upwards under the action of the air cylinder, and the upper die rotates to the opposite horizontal direction under the cooperation of a first motor, an outer gear, an inner gear and a second bearing. According to the mold opening device, the upper mold is placed on the placing plate, the clamping plate is separated from the upper mold, the mold opening device is high in automation degree and co