Lily seed bulb slice double-layer vibration screening machine

The utility model relates to a double-layer vibration screening machine for lily bulb pieces, in particular to the technical field of lily cultivation equipment. The vibrating screen comprises a rack, a vibrating box body, damping springs, screen meshes, a screening outlet, a vibrating motor and a blocking mechanism, the vibrating box body is internally provided with two layers of screen meshes from top to bottom, the sizes of meshes of the screen meshes are sequentially decreased, and the bottom of each screen mesh is provided with a first reinforcing rib and a second reinforcing rib; the screening outlets are formed in the positions, corresponding to one sides of the screens, of the outer wall of the vibrating box body and comprise the first outlet formed in one end of the screen located on the upper layer and the second outlet formed in one end of the screen located on the lower layer, and a guide hopper is arranged at the bottom of the screen located on the lower layer. The blocking mechanism is arranged