PE water pipe cutting waste collecting device

The utility model belongs to the technical field of pipe cutting, and particularly relates to a PE water pipe cutting waste collecting device which comprises a base and an L-shaped fixing seat arranged on the back wall of the base, a fixing mechanism used for fixing a water pipe is arranged in the base, a protective cover is rotationally connected to the base, a cutting groove is formed in the protective cover, a movable groove is formed in the L-shaped fixing seat, and the L-shaped fixing seat is arranged in the movable groove. Sliding grooves used for containing the sliding blocks are formed in the inner walls of the movable grooves, air cylinders are arranged at the two ends of the L-shaped fixing base correspondingly, the telescopic ends of the air cylinders transversely penetrate through the L-shaped fixing base to be connected with the sliding blocks, hydraulic devices are arranged on the two sliding blocks correspondingly, and the telescopic ends of the bottoms of the two hydraulic devices longitudinal