Feed screening device

The utility model belongs to the technical field of feed screening, and particularly relates to a feed screening device which comprises a box body, a shaking assembly is arranged in the box body, and the shaking assembly is connected with a screening assembly. The screening assembly comprises a C-shaped connecting rod, two U-shaped connecting rods, a rectangular frame, a screen frame and a lifting piece, the C-shaped connecting rod is connected with the shaking assembly, the two U-shaped connecting rods are connected with two end feet of the C-shaped connecting rod respectively, the rectangular frame is fixedly connected with the two U-shaped connecting rods, and the right end of the screen frame is hinged to the two end feet of the right U-shaped connecting rod; the lifting piece is arranged between the rectangular frame and the left end of the lower side of the screen frame; a box body is slidably connected to the bottom wall of the box body, the box body is located under the screen frame, and the box body