Conical surface arc cutter structure

The utility model provides a conical surface arc cutter structure. Pressing planes are arranged on the front face and the back face of the cutter body, a rear corner is arranged on the right side of the cutter body, a receding chamfer is arranged on the left side of the cutter body, a cutter head is arranged on the left side of the receding chamfer, and a blade groove is formed in the surface of the cutter head. The utility model provides a conical surface arc cutter structure. A specially-made cutter structure is used; the specially-made clearance chamfer can avoid the internal structure of the workpiece; the cutter does not interfere with a workpiece during working; the specially-made blade is used, the tool nose of the blade is an R1.6 circular bead, the long-strip-shaped tool nose protrudes out of the blade groove, namely the protruding tool bit, the machining mode that the two sides of the circular arc of the deep-cavity taper hole in the workpiece are narrow, and the middle of the circular arc is wide i