Residue screening device for tea production line

The utility model discloses a tea production line residue screening device which comprises a support and a conveying belt arranged on the support and further comprises a plurality of air screening assemblies arranged on the support, and each air screening assembly comprises a supporting plate, a cover plate, a turning plate, an air blowing cylinder and a residue collecting box. The supporting plates are oppositely arranged on the bracket; the cover plate is arranged on the two supporting plates; the turning plate is arranged on the supporting plate, the side, right facing the conveying direction of the conveying belt, of the turning plate is tightly attached to the belt face of the conveying belt, and the other side of the turning plate tilts and forms an included angle with the conveying belt. The blowing cylinder is arranged on the supporting plate and located behind the upwarp side of the turning plate. The slag collecting box is arranged on the supporting plate and right faces the air blowing cylinder. Ac