Double-wall corrugated pipe cutting device

The utility model belongs to the technical field of corrugated pipe cutting, and particularly relates to a double-wall corrugated pipe cutting device which comprises an operation box, a through groove is formed in the front end of the operation box, sliding grooves are formed in the left side and the right side in the operation box respectively, the two sliding grooves are connected with sliding blocks in a sliding mode respectively, and a mounting plate is fixedly connected between the two sliding blocks. The center of the mounting plate is provided with a moving groove, the moving groove is slidably connected with symmetrically-arranged clamping plates, the front ends of the clamping plates are fixedly connected with a fixing plate, the fixing plate is rotatably connected with a two-way threaded rod, two threaded sections are in threaded connection with the two clamping plates respectively, one end of the two-way threaded rod is provided with a handle, and the rear end of the operation box is rotatably conn