Cutting device for pipeline cutting

The utility model relates to the technical field of pipeline processing, and discloses a cutting device for pipeline cutting, which comprises a cutting table, a telescopic piece arranged on the upper side of the cutting table, a protective shell mounted at the telescopic end of the telescopic piece, a first motor mounted on the outer side of the protective shell, a cutting blade rotatably mounted in the protective shell, and a first motor in transmission connection with the cutting blade. A second motor is arranged at one end of the cutting table, an output shaft of the second motor is connected with a polishing wheel, and a fixing ring is hinged to the upper side of the cutting table; the right end of a pipe abuts against the grinding wheel, the fixing ring fixes the pipe to the cutting table, the telescopic piece drives the cutting blade to move downwards, the first motor drives the cutting blade to rotate to cut the pipe, the second motor drives the grinding wheel to rotate to grind notches of the pipe, th