Fourteen-rollers strip mill

Abstract

The invention discloses a 14-roller hoop rolling mill, comprising a 14-roller system and two sets of roller-shape adjusting devices symmetrically arranged in the upper and lower roller assemblies. Twosets of external supporting roller systems, one set of middle supporting roller system, a set of floating roller system, two sets of middle roller systems, a set of working roller system and a set ofroller-shape adjusting device are arranged in the upper roller-seat assembly and the lower roller-seat assembly respectively; the upper middle supporting roller system and the lower middle supportingroller system are connected with the respective roller-shape adjusting device; the floating roller is located between the two sets of external supporting roller systems, the guiding bearing seats arranged at both ends of the floating roller can only slide in the vertical guiding grooves at both ends of the upper roller beam and the lower roller beam; the structures of the roller systems in the upper roller beam and the lower roller beam are identical, and vertically arranged in a symmetrical manner. By adjusting the crossing angle between the upper set of middle supporting roller system and the lower set of middle supporting roller system along the horizontal plane, different bending degrees occur among the floating roller, the middle roller and the working roller under the action of rolling force, thereby, the roller shape is controlled. The invention has the advantages of simple structure and unique control structure.

Description

technical field [0001] The invention belongs to the technical field of metallurgical rolling equipment, and in particular relates to a fourteen-high strip steel rolling mill. Background technique [0002] When the strip mill is rolling thin strips, the work rolls will produce elastic flattening, which makes it difficult to roll thin strips. The elastic flattening value is proportional to the diameter of the rolls. In order to roll thinner and higher yield strength For strip materials, the diameter of the work roll must be reduced, so there are 12-roll, 20-roll, 32-roll, and 36-roll multi-roll mills of various structures. In order to obtain a straight plate shape and a strip with uniform thickness along the width direction, wide multi-roll mills are equipped with roll shape adjustment devices. At present, there are mainly two types of roll shape adjustment devices for multi-roll mills. One is radial adjustment. Mechanism, one is an axial adjustment mechanism. The radial adj...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fourteen-high strip mill, which solves the problems of complex structure, many adjustment links, difficult manufacture and inconvenient maintenance of the existing similar multi-roll strip mill.

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