Shell mold stack pouring device of impeller

The utility model discloses a shell mold stack pouring device of an impeller, which comprises a bottom plate, a sand box is arranged on the bottom plate, an annular slot is arranged on the bottom plate, an insertion plate matched with the annular slot is arranged at the bottom end of the sand box, and a cover plate is clamped on the sand box. Compared with the prior art, the pouring cup has the advantages that the concave curved surface filter screen is arranged in the pouring cup, dregs in molten iron can be filtered during casting, the quality of a cast product is guaranteed, meanwhile, the curved surface can prevent the molten iron from splashing out, the bubble removing net is arranged below the filter screen in the pouring cup, bubbles in the molten iron can be broken, and the pouring cup is prevented from being damaged. The sand box and the bottom plate are arranged in an inserted mode and fixed through the bolts, so that the device is stable and firm in mechanism, the cover plate in clamped connection