Stirring device of investment casting aluminum alloy smelting furnace

The utility model discloses an investment casting aluminum alloy smelting furnace stirring device which comprises a main body frame arranged on the upper portion of a smelting furnace opening, the main body frame comprises an upper support and a lower support, the upper support and the lower support are detachably connected, and in the vertical direction, the lower support can reciprocate relative to the upper support; an observation plate is further arranged on the side portion of the main body and used for isolating production personnel from a smelting furnace opening. The stirring assembly comprises a stirring shaft and stirring blades connected with the stirring shaft; and the stirring shaft and the stirring blades are made of high-purity graphite materials. By adopting the structure, the universality of the stirring device of the investment casting aluminum alloy smelting furnace is greatly improved; and the problems that molten liquid splashes out of a smelting furnace opening due to stirring to burn pr