Rolling mill with speed measuring and pressure regulating structure

Abstract

The invention relates to a rolling mill with a speed measuring and pressure regulating structure, and aims to solve the problems of high probability of distortion in speed measurement and insufficient tension of the rolling mill existing in the prior art. The rolling mill comprises a working roll set, wherein deflector rolls are symmetrically arranged on the two sides of the working roll set; strip steel penetrates through the working roll set and is arranged on the deflector rolls; a first tension roll and a second tension roll are arranged on the side, towards the working roll set, of each deflector roll side by side from outside to inside; the first tension rolls and the second tension rolls are positioned on the lower part of the strip steel; one end of a rotating shaft of each first tension roll is provided with a section of extension shaft; an encoder is arranged on each extension shaft; a pressure roll is arranged between each first tension roll and the corresponding second tension roll, is pressed on the upper surface of the strip steel and is provided with a tension regulating structure. The rolling mill has the advantages that acquired speed signals are truer and are more unlikely to distort by arranging the encoders on the first tension rolls, and the tension on the strip steel can be kept by arranging the tension regulating mechanisms to prevent the problem of influence on steel coiling by steel lamination due to tension loss.

Description

technical field [0001] The invention relates to a rolling mill, in particular to a rolling mill with a speed measuring and pressure regulating structure which is less likely to be distorted in speed measurement and can adjust tension. Background technique [0002] In strip rolling production, the traditional speed detection is to use the encoder installed at one end of the deflector roll to measure the angular velocity of the deflector roll when it rotates. Under normal circumstances, the roll surface line speed of the deflection roll can be calculated, and this line speed represents the speed at which the strip enters the roll gap or flows out of the roll gap. In order to eliminate the influence of the inertia and rotation resistance of the deflector roller, a DC motor is installed on the deflector roller to apply a driving force to the deflector roller. Matching, the lubrication of the bearing of the deflector roller, the inertia of the DC motor itself, and the fluctuatio...

AI Technical Summary

Problems solved by technology

[0003] The present invention mainly solves the problem that the speed measurement of the rolling mill is easily distorted and the tension is not enough in the prior art, and provides a rolling mill with a speed measurement and pressure regulation structure that is less likely to be distorted and can adjust the tension

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