Cutting device of telescopic plastic pipe

The invention belongs to the technical field of telescopic plastic pipe tools, particularly relates to a cutting device of a telescopic plastic pipe, and discloses a cutting device of a telescopic plastic pipe. The cutting device comprises a machine frame, wherein the machine frame is provided with two clamping plates, a driving gear and a driven gear set are arranged in the two clamping plates, the driving gear is connected with a gear motor, the driven gear set is connected with a cutter, the cutter comprises a circular body, the side part of the circular body is provided with a blade area, the length of the blade area is equal to 1/4 of perimeter of the circular body, and one end of the blade area is provided with a bent hook-shaped clamping cutter. The cutting device has the beneficial effects that the telescopic plastic pipe can be automatically cut off, and the cutting accuracy and cutting efficiency of the telescopic plastic pipe are improved.