Device to move the rolls in a four-high rolling stand for sheet

Details Device to move the rolls in a four-high rolling stand for sheet Device to move the rolls in a four-high rolling stand for sheet

1997-04-21

1999-02-16

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 3107, B21B 3108

Patent

active

058709207

ABSTRACT:
Device to move the rolls in a four-high rolling stand to roll sheet and wide plate, the device comprising jaws (12, 13) cooperating with the chock (14) of the respective lower (11) and upper (11a) roll, the jaws (12, 13) presenting at least a closed position in which they make the chock (14) solid to the system of axial travelling (23, 24) of the rolls (11, 11a) and an open position in which they release the rolls (11, 11a), the jaws (12, 13) cooperating with respective mating seatings defined laterally to the relative chock (14), each of the jaws (12, 13) being respectively connected to the system of axial travelling (23, 24) by an articulated parallelogram unit able to move on a plane which is substantially at right angles to the rolling plane, the articulated parallelogram unit comprising paired rods, respectively (17,117;18,118), pinned at the front to the respective jaws (12, 13) and associated at the rear with the axial travelling system (23, 24) by an articulation (19) with at least two axes of rotation.

REFERENCES:
patent: 4770021 (1988-09-01), Kobayashi et al.
patent: 4785651 (1988-11-01), Kuhn
patent: 5448901 (1995-09-01), Yu et al.
patent: 5622073 (1997-04-01), Hiruta et al.
Patent Abstracts of Japan vol. 005, No. 037 (M-058) 10 Mar. 81 & JP-A-55 161512 (Hitachi) 16 Dec. 1980--Abstract.
Patent Abstracts of Japan vol. 006, No. 069 (M-125) 30 Apr. 1982 & JP-A-57 009516 (Hitachi) 19 Jan. 1982--Abstract.

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