Edge cutting device for heat preservation cotton processing

The utility model relates to an edge cutting device for heat preservation cotton processing, which comprises a transmission belt, side plates are symmetrically installed on the transmission belt, sliding grooves are formed in the side plates, stand columns are vertically installed in the sliding grooves, roller seats are elastically installed on the stand columns in a sliding mode, a press roller is installed between the two roller seats, and the press roller is installed on the transmission belt. A threaded rod and a polygonal shaft are installed between the two side plates, sliding plates are installed at the two ends of the threaded rod in a sliding mode, the polygonal shaft is sleeved with the sliding plates, shaft sleeve tool aprons are installed at the two ends of the polygonal shaft in a sliding mode, the shaft sleeve tool aprons are rotationally connected with the sliding plates, and annular cutters are installed on the shaft sleeve tool aprons. The first motor works to drive the threaded rod to rotat