Channel automatic switching device and control method thereof

An automatic switching and progressive technology, applied in the direction of rolling force/gap control, metal rolling, manufacturing tools, etc., can solve the problems of labor waste, high labor intensity, monotony, etc., and achieve reliable operation, low cost, and easy use simple effect

Active Publication Date: 2013-09-25
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In these repeated process trips, people are operating every time, which is not only monotonous, but also a waste of labor, and the labor intensity is relatively high.

Method used

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  • Channel automatic switching device and control method thereof
  • Channel automatic switching device and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0036] Embodiment: This embodiment is an example of testing on a four-high rolling mill of Shanxi Taigang Stainless Steel Co., Ltd. Stainless Steel Hot Rolling Plant.

[0037] The universal rolling mill of Shanxi Taigang Stainless Steel Co., Ltd. Stainless Hot Rolling Plant is a four-high reversing rolling mill, and the rolled steel plates need multiple reversing rolling. The rolling of the steel plate is completed by adjusting the roll gap between the rolls. Every time the rolling is completed, the roll gap is adjusted once, which is called a pass. The number of rolling passes is different for different steel types and specifications. Under the same working conditions, for the same steel type and specification, the number of passes is certain. In the process of steel rolling in the four-high rolling mill, after each pass is rolled, the roll gap of the next pass is adjusted to carry out rolling, and after rolling, the roll gap adjustment of the next pass is adjusted until all ...

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PUM

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Abstract

The invention discloses a channel automatic switching device, which is mainly applied to reversible mill and is composed of a pulse input circuit, a decade counter CD4017, a NAND gate circuit CD4012 and a switch circuit CD4066; and the pulse input circuit is composed of a resistor, a capacitor and a diode. The device provided in the invention solves the automatic control problem of mechanical equipment in repeated reciprocating single process; mechanical automation in similar work fields is realized by combining the device with a computer. With low cost, convenience for use and strong versatility, the device can be used for mechanical equipment in repeated reciprocating single process, such as reversible steel rolling, reciprocating straightening and reciprocating quenching as well as other mechanical equipment with similar control process; and the device is totally used for simple machine with similar working process.

Description

technical field [0001] The invention is mainly applied to reversible rolling mills, belongs to the technical field of automatic control, and specifically relates to an automatic pass switching device and a control method thereof. Background technique [0002] In the industrial control equipment department, there are many mechanical equipment control process strokes that are repeated or similar, but the parameters of the stroke are changed, but the specific process strokes are completely consistent, such as reversible steel rolling. During normal rolling, every time It is rolling down and repeating a process action, but the amount of rolling is different each time. Another example is quenching. The process process of each quenching is the same, but there are differences in the amount of water to be opened or the number of valve groups. Another example is reversible. The straightening process of the type straightening machine is the same every time, and the same process is als...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B31/16B21B37/58
Inventor 卢权观
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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