Potato collection and sorting device

The invention belongs to the technical field of potato collection equipment and provides a potato collection and sorting device. The potato collection and sorting device comprises a device body, a mudshovel plate, a separation mechanism, a first conveying belt, a second conveying belt, a stirring mechanism and a sorting mechanism. The device body comprises two side plates, the two side plates arefixedly connected through a plurality of connecting rods, rolling wheels are rotationally arranged on back-to-back surfaces of the two side plates, and the mud shovel plate is obliquely arranged between the two side plates. Potatoes on the mud shovel plate can be separated from branches and leaves by the separation mechanism, the first conveying belt is obliquely arranged on the right side of themud shovel plate, the second conveying belt is horizontally arranged on the right side of the first conveying belt, and the surface of the second conveying belt is provided with a plurality of secondthrough holes. The potatoes