Cutter body convenient to dissipate heat

The utility model relates to the technical field of cutters, in particular to a cutter body convenient for heat dissipation, which comprises a cutter body, a heat dissipation net is fixedly mounted at one end of the cutter body, a connecting rod is rotatably connected to the inner side of the cutter body, a rotating shaft is fixedly mounted at one end of the connecting rod, and a first support rod is fixedly mounted on one side of the connecting rod. One end of the first supporting rod is rotationally connected with a top cover, the inner side of the top cover is rotationally connected with a second supporting rod, one end of the second supporting rod is rotationally connected with the cutter body, the first supporting rod and the second supporting rod move in parallel, the outer side of the cutter body is rotationally connected with a rotating button, and the rotating button is coaxially arranged and rotationally connected with a rotating rod. A clamping rod is fixedly installed on the outer side of the rota