Single-head chamfering machine

The utility model relates to the technical field of chamfering machines, and discloses a single-head chamfering machine which comprises a machine frame and a clamping mechanism, the clamping mechanism comprises a lifting seat capable of lifting, a driving device for driving the lifting seat to lift and two clamping pieces capable of sliding horizontally, two opposite inclined faces are formed on the lifting seat, and the clamping pieces are arranged on the lifting seat. The inclined faces are used for making contact with the two clamping pieces and pushing the two clamping pieces to be close to each other after the lifting base ascends, and a clamping groove is formed in each clamping piece. The clamping mechanism is arranged, the clamping mechanism comprises the lifting base, the driving device and the clamping pieces, the two clamping pieces are controlled to be close to each other through lifting of the lifting base so as to clamp a workpiece, and therefore direction conversion is conducted on driving move