Patent ID: 6318141
Filing Date: 2001-11-20
Classification: B21D

Abstract:
A roller leveller for working a plate, comprising:a plurality of upper taper rollers each having a large diameter end and a small diameter end with a collar, the large diameter ends being set on a same side, the small diameter ends being set on other side, and lower generating lines being disposed in parallel to a horizontal plane;a plurality of lower taper rollers each having a large diameter end and a small diameter end with a collar, the large diameter ends being set on a same side, the small diameter ends being set on other side, upper generating lines being disposed in parallel to a horizontal plane, said upper taper rollers and said lower taper rollers being disposed in a zigzag way, with the large and small diameter ends of said upper taper rollers being disposed on opposite sides of the large and small diameter ends of said lower taper rollers;an upper roller support frame having bearings for rotatively supporting said upper taper rollers, said upper roller support frarrie having a support plane in parallel to the lower generating lines of said upper taper rollers; anda lower roller support frame having bearings for rotatively supporting said lower taper rollers, said lower roller support frame having a support plane in parallel to the upper generating lines of said lower taper rollers.