Pipeline bulging device

The utility model discloses a pipeline bulging device which comprises a machine frame, a controller, a bulging assembly and a clamp assembly, and the controller is arranged on the machine frame. The two bulging assemblies are arranged on the rack, and the included angle between the two bulging assemblies is a right angle so that two end openings of a workpiece can be subjected to bulging. The bulging assembly comprises a plurality of bulging seats arranged in parallel, the multiple bulging seats are horizontally arranged, and the end, close to the clamp assembly, of each bulging seat is connected with an opening bulging piece used for bulging a workpiece; the clamp assembly is arranged on the rack, is arranged between the two bulging assemblies and is used for fixing a workpiece; the bulging assembly and the clamp assembly are both electrically connected with the controller. According to the pipeline bulging device in the technical scheme, aiming at forming of different expansion shapes, only the correspondin