A rolling mill for adjusting pressure and compensating deflection

Abstract

The invention discloses a rolling mill for adjusting a pressure compensation deflection, and belongs to the field of rolling mills. The rolling mill comprises a machine base, a roller bearing seat A,a roller bearing seat B, a lower roller, an upper roller and a control system, wherein the two ends of the lower roller and the upper roller are correspondingly arranged on the roller bearing seat A and the roller bearing seat B through bearings and are arranged in parallel; the rolling mill further comprises a pressure adjusting device, wherein the pressure adjusting device comprises a compensation pressure plate with an arc-shaped contact surface, a lifting rod fixedly arranged on the compensation pressure plate, a spring pressure applying plate capable of moving up and down along the lifting rod, a linear rigidity spring arranged on the lifting rod and located between the spring pressure applying plate and the compensation pressure plate and a lifting plate which is arranged on the machine base and can move up and down relative to the machine frame; and the spring pressure applying plate is fixedly arranged on the lifting plate. The rolling mill has the advantages that the structureis simple and reasonable, the pressure compensation deflection can be adjusted, the thickness of the steel rolling is more uniform, and the deflection of the pressure compensation can be adjusted.

Description

technical field [0001] The invention mainly relates to the field of rolling mills, in particular to a rolling mill for adjusting pressure and compensating for deflection. Background technique [0002] The rolling mill is a machine that uses the rolled piece to produce plastic deformation between the rotating rolls to roll out the required thickness of steel, and its application range is very wide. Due to the large action force and reaction force between the roll and the rolled piece during the steel rolling process, the roll is bent and deformed similar to a simply supported beam, resulting in insufficient thickness uniformity of the rolled steel plate. In the prior art, in order to improve the thickness uniformity of the rolled steel plate, a roll curve compensation method is proposed, that is, the roll is designed to have a structure with a slightly larger diameter in the middle part and a slightly smaller diameter at both ends, so that when the deflection deformation occu...

AI Technical Summary

Problems solved by technology

The disadvantages of the existing technology are: 1. It is difficult to accurately calculate and process the shape curve of the roll; 2. The rolling forces of different plates are different, so the thickness after compensation is different.

Images