Fecha de publicación: 27/10/2020 Fuente: WIPO "circular economy" The utility model discloses a wheat straw smashing and feeding device. Conveyor belt, a hopper is erected on the conveying belt; a plurality of refining rollers are horizontally arranged at the bottomof the hopper, refining teeth are evenly distributed on the refining rollers, a pressing roller is arranged on the inner side of a discharging port of the hopper, short shafts are fixedly connected to the two ends of the refining rollers and the pressing roller, penetrate through the side wall of the hopper and are movably connected to the hopper through bearings, one end of each short shaft is sleeved with a belt wheel, and the belt wheels are sleeved with linkage belts. The feeding device has the advantages that the structure is simple and compact, the thought is novel, the structure is unique, continuous feeding is achieved through the feeding device, the feeding efficiency is improved, the material uniformizing roller has the multiple functions of dispersing and uniformizing grass, the material pressing roller presses the grass after uniformizing the grass and the like, meanwhile, the feeding speed is increased, and the throughput of the grass chopper is met.