Multi -functional rolling stand with expansion function roller type

The utility model relates to a function that has the punch concurrently and the function of pipe mill are and its roller type is suitable for the multi -functional rolling stand with expansion function roller type of expansion operation, including proscenium equipment, host computer and the background equipment who sets gradually, background equipment includes ejector pin dolly, ejector pin vehicle drive device, backstage support, locking device and thrust device, and the drive slidable ground that the ejector pin dolly passes through ejector pin vehicle drive device sets up on the support of backstage, and locking device and thrust device set up the top at the backstage support respectively, proscenium equipment is including the blow tank that sets gradually, proscenium support and car pusher drive arrangement, and slidable ground is equipped with car pusher on the proscenium support, and the host computer setting is equipped with the roll in the host computer between proscenium support and backstage support, and the roll is including rotationally setting up roll main shaft and fixed setting on the host computer at the epaxial expansion function roller type of roll owner, and the roll main shaft is connected with final drive shaft, final drive shaft and main drive system's output shaft.