Ultra-high molecular weight polyethylene pipe cutting machine

The utility model relates to the technical field of polyethylene pipe cutting, in particular to an ultra-high molecular weight polyethylene pipe cutting machine. According to the technical scheme, the device comprises supporting legs, a bottom plate, a first hydraulic cylinder, a second hydraulic cylinder, a limiting block, a limiting box and a clamping block, the limiting box is fixed to the middle of one end of the upper end face of the bottom plate, a pipe groove is formed in the middle of the interior of the lower end of the limiting box in a communicating mode, and a second limiting groove is formed in the position, located at the upper end of the pipe groove, of one end of the interior of the limiting box; the clamping block is movably installed in the second limiting groove, a second hydraulic rod is fixed to the middle of the upper end face of the clamping block, the upper end of the second hydraulic rod is movably installed in a second hydraulic cylinder, and the second hydraulic cylinder is fixed to