Pipeline groove machining equipment

The utility model discloses pipeline groove machining equipment which comprises a vertical frame, a rotating disc and a driving motor used for driving the rotating disc to rotate are arranged on the vertical frame, a cutter used for pipeline groove machining is arranged on the rotating disc, and a fixing mechanism used for fixing the cutter is arranged on the rotating disc. A centering assembly used for pipeline centering is concentrically arranged in the center of the rotating disc in the direction perpendicular to the disc face of the rotating disc. The cutter is connected with the fixing mechanism through a sliding assembly; a pipeline is fixed through the centering assembly, it is guaranteed that the center of the pipeline is overlapped with the rotating center of the tool, machining precision is improved, and the device is suitable for pipelines with different diameters and wide in application range; the position of the cutter can be adjusted in time along with changes of the outer diameter of the pipeli