Top cover flanging and circular bead bending forming tool

A top cover flanging and circular bead bending forming tool comprises ball bearings and rotary shafts. Four vertical plates are mounted on the top face of a movable base front and back in a pairwise symmetric manner, and a limiting plate is mounted on the outer wall end face of each vertical plate in a sliding manner through a sliding groove. Four dividing rulers are arranged and are embedded on the outer walls of the four vertical plates through rivets correspondingly. Two transverse plates are arranged front and back. An arc structure is cut at the top end of each vertical plate, and a left cylinder and a right cylinder are welded to each vertical plate through the corresponding arc structure at the top end. The two transverse plates are arranged front and back, arc structures are cut on the left end faces and the right end faces of the transverse plates, and the transverse plates are in welded connection with the arc faces of the cylinders and the inner side faces of the vertical plates through the arc str