A blade rotor includes a mowing disc, at least one mowing blade, at least one bearing pin mounted on the mowing disc for the pivoting support of the mowing blade, a spring plate arranged on a bottom side of the mowing disc for holding the mowing blade on the bearing pin, and at least one scraper for removing residue stuck on the cutter bar, wherein the scraper is arranged between the spring plate and the bottom side of the mowing disc and is mounted detachably on the mowing disc between the bearing pin and an axis of rotation of the mowing disc.
