Axial moving device of intermediate rolls

Abstract

The invention belongs to the technical field of molding, and relates to an axial moving device of intermediate rolls. The axial moving device comprise a pair of supporting rolls, a pair of intermediate rolls and a pair of working rolls. A supporting frame has a supporting framework structure and is arranged on a rolling mill roll-bending block; a sliding seat, an axial moving hydraulic cylinder and a tail connecting seat are arranged on the supporting frame, wherein the sliding seat is arranged on the front part of the supporting frame and is connected with the intermediate rolls, and one endof the axial moving hydraulic cylinder is connected with the supporting frame while the other end is connected with the tail connecting seat; the tail connecting seat is arranged on the rear part of the supporting frame and is connected with the sliding seat through a connecting frame; a bearing block is arranged in the sliding seat; and an axial loaded bearing is arranged in the bearing block. The axial moving device is suitable for rolling mills having high comprehensive regulation and control capability and plate edge regulation and control capability or needing online or offline roll roll-shape movements so as to adapt to the requirement on producing high-precision cold-rolled steel strips, and can be widely applied to cold-rolled steel strip production devices.

Description

technical field [0001] The invention belongs to the technical field of molding, and relates to an axial moving device for an intermediate roller. Background technique [0002] Due to the rapid development of modern industrial production, the fields of industry, construction and household appliances have put forward higher requirements for the product quality of cold-rolled strip steel, especially for the dimensional accuracy and shape of cold-rolled strip steel. . This is an urgent need to seek higher and better steel rolling production equipment with strong plate control ability. Therefore, higher requirements are put forward for the performance of the rolling mill, especially for the quality requirements of the cold-rolled strip in terms of thickness tolerance, achievable final thickness, strip section, and strip flatness. requirements. Due to the development of this demand, it is very urgent to have a more flexible and convenient rolling mill operation mode and operati...

AI Technical Summary

Problems solved by technology

Although the disclosed full-hydraulic six-roll mill also has an intermediate roll axially moving device or the intermediate roll axially moving device of other similar disclosed six-roll mills, the intermediate roll axially moving device of this type of rolling mill cannot be rolled. The moving rolls cannot withstand large axial loads. At the same time, the stability and synchronization of this type of axial moving device are poor, and the requirements for the hydraulic control system are high. A slight system leakage will cause the rolls to drift, thus Cause the rolling mill to break the belt and damage the roll, or even damage the roll

At the same time, because this type of axial moving device cannot be equipped with a buffer mechanism, the operating speed is not too fast when changing the roll, otherwise it will easily cause mechanical shock and damage the mechanical equipment.

Images