Precise laser pipe cutting machine

The utility model relates to the technical field of laser cutting, in particular to a precise laser pipe cutting machine. The precise laser pipe cutting machine comprises a machine frame, a laser cutting head and a rotating chuck, wherein the rotating chuck is installed on the machine frame through a transverse sliding mechanism located under the rotating chuck; the laser cutting head is mounted on the rack through a two-way sliding module; a centering chuck and a clamping mechanism are further arranged on the rack, and both the centering chuck and the clamping mechanism are located between the rotating chuck and the laser cutting head in the transverse direction; the centering chuck and the rotating chuck are coaxially arranged, the centering chuck can synchronously rotate along with the rotating chuck, the centering chuck is provided with a centering mechanism used for centering a pipe, and the centering mechanism is provided with a sliding assisting structure used for reducing friction between the pipe and