Mowing cutter head for mowing machine

The utility model discloses a mowing cutterhead for a mowing machine, which belongs to the field of mowing cutterheads and comprises a cutterhead body, the inner side of the cutterhead body is hollow, a supporting block is arranged in the central area in the cutterhead body, stop blocks are uniformly arranged on the outer arc surface of the cutterhead body, a cavity is formed in the supporting block, a sealing cover is mounted on the upper surface of the cutterhead body through bolts, and the sealing cover is arranged on the lower surface of the cutterhead body. Rotating shafts are evenly arranged on the inner side of the disc body, blades are installed on the surfaces of the rotating shafts through bearings, extension blocks are arranged on the inner sides of the blades, tension springs are connected to one sides of the extension blocks, and the ends, away from the extension blocks, of the tension springs are connected to check blocks; when the cutter head is not used, the blades are in an inclined state due