Tube coupling threading machining tool

The utility model discloses a tube coupling threading machining tool comprising a machine tool base, a hydraulic cutter table fixed at the upper end of the machine tool base, a filing conveying machine arranged at the front end of the machine tool base, a longitudinal movable cross beam arranged at the upper end of the machine tool base, and a manipulator arranged on the longitudinal movable cross beam. Components and structural characteristics of parts are designed professionally according to the machining process, the specification range and the machining precision requirements of tube couplings. Meanwhile, the characteristic that tube coupling machining is similar to thin-wall sleeve machining is taken into consideration. Therefore, by means of matching of the manipulator and a three-jaw hydraulic chuck, the processes of material preparation and material conveying are finished. Besides, by means of the special turning design of the turning hydraulic chuck, the process requirements of one-time clamping and