Ridge surface crushing straight disc ridge edge stem cutting device

The utility model discloses a ridge surface crushing straight disc ridge edge stem cutting device, and relates to the technical field of agricultural machinery. The feeding device comprises a pair of first supporting plates, a first conveying belt is arranged between the two first supporting plates, a feeding disc inclining downwards is installed at the end of each first supporting plate, an extending frame is installed at the end, facing the feeding disc, of each first supporting plate, and the end of each extending frame extends downwards and is rotationally provided with a cutting piece; a pressing roller is arranged between the two cutting pieces and connected with the inner side wall of the first supporting plate through an inclined pressing rod rotationally connected with the pressing roller. The problem that ridge surfaces cannot be shaped when potatoes are harvested through a harvester at present is solved, and the purpose that soil breaking, stem cutting and feeding are carried out at the same time i