US 11,745,234 B2
Rolling device
Christian Diehl, Hilchenbach (DE); Jörn Sohler, Kreuztal (DE); and Achim Klein, Kreuztal (DE)
Assigned to SMS group GmbH, Düsseldorf (DE)
Appl. No. 17/795,598
Filed by SMS group GmbH, Düsseldorf (DE)
PCT Filed Dec. 11, 2020, PCT No. PCT/EP2020/085769
§ 371(c)(1), (2) Date Jul. 27, 2022,
PCT Pub. No. WO2021/151571, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 10 2020 201 071.4 (DE), filed on Jan. 29, 2020; and application No. 10 2020 206 123.8 (DE), filed on May 14, 2020.
Prior Publication US 2023/0076364 A1, Mar. 9, 2023
Int. Cl. B21B 31/32 (2006.01); B21B 31/20 (2006.01)
CPC B21B 31/203 (2013.01) [B21B 31/32 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A rolling device, comprising:
work rolls, including
an upper work roll and
a lower work roll; and
backup rolls, including
an upper backup roll and
a lower backup roll,
wherein the work rolls and the backup rolls are supported in a rolling mill stand,
wherein the work rolls can be adjusted relative to each other in order to adjust a rolling gap,
wherein each of the work rolls is operatively connected to a bending device,
wherein a first bending device is paired with the upper work roll,
wherein a second bending device is paired with the lower work roll,
wherein the second bending device comprises bending cylinders which are arranged in a vertically fixed manner,
wherein the upper work roll can be readjusted or carried by the first bending device, thereby vertically adjusting a height of the rolling gap,
wherein the first bending device comprises bending arms that interact with bending cylinders arranged in a stationary manner, and
wherein the bending cylinders of the first bending device are supported on an upper crosshead of a housing of the rolling mill stand.