Pipe fitting fixed-length cutting device

The utility model belongs to the technical field of pipe fitting fixed-length cutting, and particularly relates to a pipe fitting fixed-length cutting device which comprises a workbench. A fixing device is arranged on the workbench, and the fixing device comprises a fixing clamp which is used for fixing a pipe; a cutting device is arranged on the workbench, the cutting device comprises a cutting wheel and is used for cutting a pipe, the pipe is placed on a concave block, then the pipe is simply limited through a fixing clamp, then a motor drives a lead screw to rotate, a connecting plate moves along a thread, and the cutting wheel is used for cutting the pipe. The limiting plate at the top of the connecting plate is conveyed to a designated area to determine the length of the pipe needing to be cut, after the length is determined, one end of the pipe abuts against the limiting plate, then the pipe is fixed through the fixing clamp, then the cutting wheel is used for cutting the pipe, and after cutting is comp