Harvester for cyperus esculentus

The invention provides a cyperus esculentus harvester which comprises a cyperus esculentus bin, a sand cleaning and separating box, a cyperus esculentus collecting box, a grass root box and a rack. Wherein the cyperus esculentus bin is installed on the upper portion of the rack, the cyperus esculentus collecting box is installed on the lower portion of the rack, and the sand removing and separating box is located in the middle and installed on the rack; the rack comprises a large beam and an auxiliary beam which are arranged in parallel up and down; the sand cleaning and separating box comprises box body side plates, a cover plate, a sand cleaning net and an oil sand bean separating net, and the box body side plates are fixed on the two sides of a girder and an auxiliary beam of the rack; a plurality of screen plate brackets are fixed on the girder below the sand cleaning and separating box body; a plurality of sand cleaning screens and a plurality of cyperus separating screens are fixed on the plurality of s