Bending device for two working rolls of a roll stand

Details Bending device for two working rolls of a roll stand Bending device for two working rolls of a roll stand

1999-10-18

2000-12-26

Butler, Rodney A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 1314, B21B 3107

Patent

active

061641111

ABSTRACT:
A description is given of a bending device for two working rolls (1) of a roll stand having guide blocks (6), provided in lateral roll uprights (3), for each of two vertically adjustable pressure transmission elements (4a, 4b), on which the working rolls (1) are supported via inserts (2), and each having two bending cylinders (5), which are arranged between the pressure transmission elements (4a, 4b) and have a piston rod (12) which acts on a pressure transmission elements (4b, 4a), and a cylinder (10) formed by the respective other pressure transmission element (4b, 4a). In order to provide advantageous design conditions, it is proposed that the L-shaped pressure transmission elements (4a, 4b) have a longer, vertical and a shorter, horizontal limb (8, 9), that the limbs (8, 9) of the pressure transmission elements (4a, 4b) be located opposite each other in pairs in a plane parallel to the working rolls (1), and that the longer limbs (8) of the pressure transmission elements (4a, 4b) be mounted in vertical guides (7) in the respective guide block (6) and accommodate a cylinder (10) of the bending cylinders (5), whose piston rods (12) act on the shorter limbs (9) of the respective other pressure transmission element (4b, 4a).

REFERENCES:
patent: 4627261 (1986-12-01), Schiller
patent: 5239851 (1993-08-01), Takakura et al.
patent: 5638716 (1997-06-01), Jonen

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