Rolled plate strip thickness detection device and control system
A technology of thickness detection and rolled plate, applied in rolling force/roll gap control, length measuring device, metal rolling, etc., can solve the problems of measurement time lag, harsh environment, poor accuracy, etc. The effect of improving quality and improving measurement accuracy
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Embodiment 1
[0023] like figure 1 The rolling strip thickness detection device shown includes a rolling mill stand 4, a thickness gauge stand 6 positioned at the exit side of the rolling mill stand, a hydraulic pressing device 3, two backup rolls 11, two work rolls 12 and a device The guide roller 7 and the contact thickness gauge 5 on the thickness gauge frame; the tops on both sides of the rolling mill frame are equipped with hydraulic pressing devices, and the work rolls and backup rolls are all installed on the rolling mill frame; Both the guide roll and the contact thickness gauge are fixedly installed on the thickness gauge frame and are used to measure the thickness of the rolled strip; the hydraulic pressing device is used to provide and adjust the force of the work roll to the rolled strip Size, thereby controlling the thickness of the rolled strip. Two work rolls are located between two backup rolls. There is a gap between the two work rolls, and when the thickness of the rolle...
Embodiment 2
[0035] The difference from Example 1 is that the number of contact thickness gauges fixedly installed on the thickness gauge frame is two or more, which can be used to measure two or more thickness gauges of the same cross section of the rolled strip. The thickness of each part, take the average value of the collected thickness through computer processing, use the average value to calculate the thickness value deviation between the detected rolled strip thickness and the set rolled strip thickness, and calculate the value at the support through the lag compensation algorithm The actual thickness deviation of the roll gap position. The measurement accuracy of the above arrangement is more precise.
[0036] The working mode process of the present invention is as follows:
[0037] The rolled strip passes through the work roll gap for thickness processing, the rolled strip passes through the exit side of the rolling mill stand, is guided by the guide roller, and contacts the roll...
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