Cutting device of numerical control lathe

The utility model discloses a numerical control lathe cutting device which comprises a lathe rack, first guide rails are arranged on the surfaces of the two sides of the lathe rack, the surfaces of the first guide rails are fixedly connected with a driving sliding frame through first sliding blocks, and a first lead screw is installed at the bottom of the lathe rack. The surface of the first lead screw is connected with a driving sliding frame through a lead screw sliding block, a second guide rail is arranged on the surface of the upper end of the driving sliding frame, the surface of the second guide rail is fixedly connected with a cutting operation rack through a second sliding block, a bearing table is arranged at the front end of the cutting operation rack, and a cutting driving motor is installed at the upper end of the bearing table. The lower end of the cutting driving motor is fixedly connected with a cutting drilling and milling head through a transmission shaft. According to the utility model, the