Cut-off machine for polypropylene staple fiber processing

The utility model discloses a polypropylene staple fiber processing cut-off machine which comprises a base, fixing columns are fixedly installed on the two sides of the upper end of the base, a cross beam plate is fixedly installed at the upper ends of the fixing columns, and a hydraulic cylinder is fixedly installed in the middle of the upper end of the cross beam plate. A mounting plate is fixedly connected to the position, located below the cross beam plate, of the output end of the hydraulic cylinder, guide sleeves are fixedly connected to the two ends of the mounting plate, a connecting piece is fixedly mounted on the outer surface of the lower end of the mounting plate, a fixing plate is fixedly connected to the lower end of the connecting piece, and a clamping plate is fixedly mounted in the middle of the lower end of the fixing plate; a blade is fixedly installed in the clamping plate, a tool apron is fixedly installed in the middle of the upper end of the base, the connecting piece comprises a connec