Bore adjustable water pipe cutting device

The utility model provides a bore adjustable water pipe cutting device, is including cutting unit and fixed unit, the cutting unit includes cutting knife, linking arm and support column, fixed unit includes base, workstation, fixture and telescopic machanism, fixture sets up by two symmetrically and constitutes at the grip block on the both sides of workstation, is first grip block and second gripblock respectively, the bottom and the base active connections of first grip block, the bottom of second grip block is fixed with the base, first grip block and second grip block side in opposite directions all are equipped with the chuck, telescopic machanism rotates with first grip block and is connected, the chuck bottom is equipped with the bar post that a plurality of intervals set up, and the bar post intercrossing of first grip block and second grip block staggers. This device can adapt to the cutting of different bore water pipes, the long service life of whole device, the accurate advantage in position of pi