Reeling machine's wrapper roller gap zero adjustment method

Abstract

The invention discloses a reeling machine's wrapper roller gap zero adjustment method. The method includes: making a steel cylinder and sleeving a reeling barrel with the steel cylinder, then controlling spreading of the reeling barrel so as to prop the steel cylinder tightly, controlling stalling of a wrapper roller motor and power failure; then setting the rotation speed of the reeling barrel, and controlling a reeling barrel motor in terms of driving the reeling barrel to rotate at a set rotation speed; then gradually reducing the roller gap of wrapper rollers till contact of the wrapper rollers with the steel cylinder, and measuring the wrapper roller gap during contact; and finally calibrating the measured roller gap in a basic automation computer. By adopting the zero adjustment method provided by the invention, the step of staff's entrance into the reeling machine is omitted, errors caused by human factors are avoided, and the safety and accuracy of zero adjustment operation are improved.

Description

technical field [0001] The invention relates to a control technology of a coiler, and more specifically, relates to a method for zero adjustment of a roll gap of an auxiliary winding roller of a coiler. Background technique [0002] The coiler is an important equipment of the hot rolling production line, which is used to coil the rolled finished hot-rolled steel strip into steel coils. The coiler is located behind the finish rolling unit and is the last process of the hot rolling production line. See figure 1 , The coiler 10 mainly includes main equipment such as a roller table 11, a side guide plate 12, a pinch roller 13, three auxiliary winding rollers 14 and a reel 15. The roller table 11 is mainly responsible for transporting the steel strip from the finishing rolling unit to the coiler. The main function of the side guide plate 12 is to center the strip steel. The main function of the pinch roller 13 is to apply a certain clamping force to the strip steel at the hea...

AI Technical Summary

Problems solved by technology

[0005] 1. It is necessary to rely on personnel to enter the interior of the coiler to place lead rods. Due to the complex internal structure of the coiler and a lot of oil pollution, there are great potential safety hazards

[0006] 2. The selection of the placement position of the lead rod and the whole process of measurement need manual operation, it is difficult to avoid errors caused by human factors, and the accuracy of zero adjustment is difficult to guarantee

[0007] 3. There may be an overshoot problem during the long-distance pressing of the roll-assisting roller, that is, the actual roll gap of the roll-helping roll may be lowered to less than the set roll gap, and then returned to the set roll gap, but at this time the lead The rod has been squeezed, and when there is an overshoot problem, the roll gap of the calibrated roll may be much smaller than the actual roll gap

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