Flat milling cutter convenient to heat dissipation

The utility model discloses a flat milling cutter convenient to heat dissipation, including the handle of a knife, the one end fixedly connected with tool bit of handle of a knife, be provided with onthe side cutting edge of tool bit and carve the back, the both sides of carving the back set up respectively to first all edge clearance angles and the all edge clearance angles of second, the internally mounted of first cavity has the heat pipe, the heat releasing end of heat pipe extends to in the second cavity, inlet opening and apopore have been seted up on the second cavity respectively, oneside fixedly connected with water receiving board of inlet opening. Through the design of carving the back, the difficult top of the cutter back of the body, and adding man -hour, improve the radiating effect of cutter, through the design of heat pipe, adding man -hour, can with the heat transfer on the tool bit to the handle of a knife, the second cavity offered on the handle of a knife can be when the water spray coolin