Multifunctional rotary cultivator cutter head

The utility model discloses a multifunctional rotary cultivator cutterhead, which relates to the field of rotary cultivators and comprises a main supporting shell, side through holes are symmetrically formed in two side edges of the main supporting shell, fixed insertion blocks are horizontally inserted into the inner side edges of the side through holes, and a top supporting rod is obliquely welded on the top surface of the main supporting shell. A top fixing box is horizontally and fixedly arranged on the top surface of the main supporting shell, side mounting blocks are symmetrically welded to one side edge of the main supporting shell, a top mounting block is horizontally welded to the top end of a top supporting rod, a butt joint groove is horizontally formed in one end of the top mounting block, and a mounting through hole is formed in one side edge of the top mounting block; a power shaft rod is horizontally connected to one side edge of the top fixing box in an inserted mode, an inner transmission box