Inner supporting type pipe fitting machining and positioning tool

The utility model discloses an inner support type pipe fitting processing and positioning tool which comprises a bearing table, the bearing table comprises a movable table, and the movable table acts on adjustable rotation so as to better position; the side face clamping assembly is detachably installed on the side surface of the bearing table, the side face clamping assembly comprises a fixing clamp, and the fixing clamp acts on clamping the inner supporting type pipe fitting; the positioning assembly is detachably installed on the surface of the top of the bearing table, the positioning assembly comprises a buckle, and the buckle acts on clamping the inner supporting type pipe fitting; and a height clamping assembly. According to the scheme, due to the fact that the inner supporting type pipe fitting is irregular in shape, the pipe fitting cannot be clamped and positioned in a unified mode, the side face clamping assembly and the height clamping assembly are arranged, and different inner supporting type pip