Cutting device for pipeline repair

The utility model provides a cutting device for pipeline repair, which comprises a first mounting seat, a second mounting seat and a pipe pressing seat, one end of the second mounting seat is rotatably connected with the first mounting seat, and the other end of the second mounting seat rotates in the direction close to or far away from the first mounting seat. A pipeline penetrates between the first mounting seat and the second mounting seat; the number of the pipe pressing bases is two, the pipe pressing bases are arranged on the opposite faces of the first installation base and the second installation base respectively, and when one end of the second installation base rotates in the direction close to the first installation base, the pipe pressing bases tightly press a pipeline. By arranging the pipe cutting blade, during pipe cutting, the position of the pipe can be fixed by fixing the positions of the first mounting base and the second mounting base, then the pipe cutting blade is adjusted to slide in th