Device and method for adjusting distance between rear guide and guard rollers of a rolling guide and guard

Abstract

The invention relates to a device and method for adjusting the distance between rear guide and guard rollers of a rolling guide and guard, and belongs to the technical field of steel rolling guide and guard equipment in the metallurgical industry. According to the technical scheme, the device is characterized in that two rear guide and guard rollers (6) are mounted in the middle of a guide and guard roller supporting arm (3) through eccentric distance adjusting shafts (7) correspondingly, eccentric distance adjusting shaft heads (8) are arranged at one ends of the eccentric distance adjusting shafts (7), threads matched with locking nuts are arranged at the other ends of the eccentric distance adjusting shafts (7), and positioning discs (9) are arranged on the positions, close to the eccentric distance adjusting shaft heads (8), of the eccentric distance adjusting shafts (7); and a circle of holes matched with locking screws (10) are formed in the positioning disc (9) in the circumferential direction, and the positioning disc (9) is fixed to the guide and guard roller supporting arm (3) through the locking screws (10). The device has the beneficial effects that the device is simple in structure, convenient to maintain, reliable in positioning, low in spare part cost and small in mounting and adjusting difficulty, and facilitates adjustment of the position of the rollers, and the adjusted positions of the rear guide and guard rollers can be stably fixed.

Description

technical field [0001] The invention relates to a device and a method for adjusting the distance between guide rollers behind a rolling guide, and belongs to the technical field of rolling guide equipment for steel rolling in the metallurgical industry. Background technique [0002] On the rolling line of hot-rolled section steel rolling, guides need to be installed at the front and rear positions of the roll pass to guide the steel to enter the roll pass accurately and stably in the direction required by the process or to lead out from the roll pass stably and accurately. [0003] Generally speaking, guides are divided into rolling guides and sliding guides. The price of the sliding guide is relatively low, and it is easy to install and adjust, but the adjustment accuracy is low, and the stability is not as good as the rolling guide. Although the price of the rolling guide is higher, its performance is more stable, and the distance between the guide rollers can be easily a...

AI Technical Summary

Problems solved by technology

The structure has the following problems: 1. The worm gear transmission needs lubricating oil to lubricate and cool down, so an oil supply system needs to be installed; 2. The worm embedded on the protective cover needs to cooperate with the worm gear installed on the upper end of the eccentric shaft, and the installation accuracy is high; 3. The price of the worm gear is high; 4. The protective cover takes up a lot of space, and it is inconvenient to adjust the distance between the guide and guard rollers by rotating the shaft head at the end of the protective cover with a wrench

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