Discharging device of constant feeder

The utility model discloses a blanking device of a constant feeder. The blanking device comprises a blanking hopper and a dredging unit, mounting supporting legs which are transversely and symmetrically distributed are arranged at the upper ends of the front side and the rear side of the discharging hopper; the dredging unit comprises guide rods, rectangular sliding cylinders and U-shaped plates, the guide rods are transversely and symmetrically arranged at the lower ends of the middles of the left wall face and the right wall face of the discharging hopper through mounting blocks, the upper ends of the guide rods are vertically and slidably connected with the rectangular sliding cylinders, and the U-shaped plates are arranged on the front surfaces and the rear surfaces of the rectangular sliding cylinders which are transversely adjacent to each other as a group; wherein the dredging unit further comprises inverted-cone-shaped plates, the inverted-cone-shaped plates are transversely and evenly arranged betwee