Edging roll device of rolling mill

Abstract

The invention discloses an edging roll device of a rolling mill. The edging roll device comprises edging motors, speed reducers and edging rolls connected with the speed reducers. The edging rolls are arranged on an edging roll base, and an overrunning clutch is arranged between each edging motor and the corresponding speed reducer. Owning to the overrunning clutch added between each edging motor and the corresponding speed reducer, a strip stops advancing and the overrunning clutches are closed once the strip slip from the rolls, and the edging rolls are driven to edge actively and feed the strip to the rolls forcedly; once the strip is engaged and rolled by the rolls, the overrunning clutches are separated automatically due to the fact that the rolling speed is higher than the edging speed, and thus, damage to equipment due to internal stress generated by mismatching of speeds of the strip drive by the rolling motor and the edging motor is avoided. The rolls and the edging rolls have good synchronism, the quantity of the edging rolls is not required to be reduced, and broadsiding fluctuation of the rolled strip is small and is convenient to control.

Description

technical field [0001] The invention relates to the technical field of metal strip rolling equipment, in particular to an edge roll device of a rolling mill. Background technique [0002] At present, in the hot rolling production of metal strips, especially the hot rolling production of copper strips, the change of width is controlled by using an edge roll device. The existing edging roller device includes a motor, a reducer, a universal coupling, and an edging roller. In the actual rolling process, the edging roller is driven by the edging motor. Side-by-side force feeding to the rolling mill, the rolls of the rolling mill bite into the copper strip and continue rolling, and stop the motor drive of the edging roller, and rely on the biting force of the roll to drag the copper strip forward to achieve edging. [0003] In the actual use of the existing edging roller device, due to the pulling effect of the back tension of the edging roller, the roller often slips during the ...

AI Technical Summary

Problems solved by technology

[0003] In the actual use of the existing edging roller device, due to the pulling effect of the back tension of the edging roller, the roller often slips during the rolling process of dragging the metal strip. Only by reducing the number of edging rollers can the edging be realized. , the number of edge rolls is small, the width fluctuates greatly, and the width is difficult to control

[0004] If the motor drive for edge rolling is not stopped after the roll bites into the copper strip, and the back tension of the edge rolling roll is reduced, it will be difficult to match the speed due to the forward slip and backward slip in the rolling and edge rolling process, resulting in a large The internal force is difficult to eliminate, resulting in equipment damage

It is difficult to realize active driving of rolls and edge rolls at the same time without interaction during rolling

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