Novel chamfering device

The utility model belongs to the technical field of machining tools, and particularly relates to a novel chamfering device which comprises a cutting head and a handle portion, a chip groove is arranged on the cutting head, a cutting edge is integrally arranged on the cutting head on one side of the chip groove, and a gradually changing arc-shaped chip guide groove is arranged on one side, close to the cutting edge, of the chip groove. According to the utility model, the arc-shaped chip guiding groove is arranged in the chip discharging groove, is integrated with the chip discharging groove and is arranged to be the arc-shaped twisted surface which is gradually enlarged from bottom to top, and after chips cut by the cutting edge enter the chip discharging groove, along with the rotation of the cutting head, the chip discharging groove applies pushing force to the chips, so that the chips in the chip discharging groove enter the arc-shaped chip guiding groove; when the cutting head rotates, cuttings can rotate