Cutting device for peony grafting

The utility model discloses an incision device for peony grafting. The incision device comprises a supporting frame and an angle adjusting assembly. The supporting frame is of a cuboid structure, a through groove is formed in the middle of a left side plate of the supporting frame, arc-shaped guide rails are slidably connected between the inner top wall of the supporting frame and the inner bottom face of the supporting frame in a front-back symmetry mode, sliding blocks are symmetrically slidably connected into sliding grooves of the arc-shaped guide rails, and connecting strips are arranged on the inner arc faces of the sliding blocks. Cutters are arranged at the ends, close to the circle centers of the arc-shaped guide rails, of the connecting strips, every two cutters corresponding front and back are arranged in a matched mode, handles are arranged in the middles of the outer arc surfaces of the arc-shaped guide rails, and the handles penetrate through the through grooves and extend to the left side of th