Outer angle bead ring ribbing device

The invention relates to the technical field of packaging material processing equipment, and aims to provide an outer angle bead ring ribbing device. According to the technical scheme, the outer anglebead ring ribbing device comprises an upper ribbing wheel, an upper supporting mechanism connected with the upper ribbing wheel, a lower ribbing wheel connected with the upper ribbing wheel in a matched mode, and a lower supporting mechanism connected with the lower ribbing wheel, wherein a first convex ring is arranged at one end of the outer wall of the upper ribbing wheel; a second convex ringis further arranged on the side, away from the first convex ring, of the outer wall of the upper ribbing wheel; a first concave ring is arranged on the outer wall, opposite to the first convex ring,of the lower ribbing wheel; and a second concave ring is arranged on the outer wall, opposite to the second convex ring, of the lower ribbing wheel. According to the outer angle bead ring ribbing device provided by the inventio