Numerical control cutting machining device of lathe

The invention relates to the technical field of lathe numerical control, and discloses a lathe numerical control cutting machining device which comprises a main body mechanism, a clamping mechanism, a rotating mechanism and an adjusting mechanism, the clamping mechanism is located at the upper end of the main body mechanism, the rotating mechanism is located at the upper end of the main body mechanism, and the adjusting mechanism is located at the upper end of the rotating mechanism. The main body mechanism comprises a base, supporting legs, a moving device, a rotating motor and a cutting disc, the supporting legs are fixedly installed at the lower end of the base, the moving device is fixedly installed at the upper end of the base, and the rotating motor is fixedly installed on the upper side of the base. According to the lathe numerical control cutting machining device, through the installed clamping mechanism, the problem that due to the fact that an existing lathe numerical control cutting machining devic