Machine tool special for turning and milling combined machining

The utility model discloses a special machine tool for turning and milling combined machining, which comprises a lathe base, a spindle box, a linear moving module, a chuck, a support frame, a positioning mechanism, a scrap blocking mechanism, a first horizontal moving module, a turning unit and a milling unit are arranged on the lathe base, and the linear moving module is used for controlling the spindle box to move in the left-right direction. The chuck is arranged on the spindle box and used for clamping one end of a screw, the spindle box is used for controlling the chuck to rotate, the supporting frame is used for supporting the screw, the positioning mechanism is used for clamping a screw body of the screw and is in running fit with the screw, and a through hole allowing the other end of the screw to penetrate through is formed in the chipping blocking mechanism. The turning unit and the milling unit are arranged on the first horizontal moving module, and the first horizontal moving module is used for co