Double -wall pipe cutting tool

The utility model discloses a double -wall pipe cutting tool, including splint and fastening bolt, splint include inner splint and outer clamping plate, and outer clamping plate includes two upper andlower parts, are equipped with a plurality of inner splint between the upper and lower outer clamping plate and use six roots of sensation fastening bolt fixed connection, and outer clamping plate leans on and pastes fixed half cylindrical groove of a plurality of that is equipped with of the one side of leaning on mutually with the inner splint, inner splint paste lean on other splint the two sides respectively fixed be equipped with with half cylindrical groove quantity of outer clamping plate, half the same cylindrical groove. The utility model discloses utilizing the fixed double -wall pipe of recess of splint, making the double -wall pipe can not rotate along with the power of cutting when the cutting, have the certain distance between the double -wall pipe, avoid the cutting to remain and make the double -w