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A Control System to Prevent Overload of Straightening Roller of Straightening Machine

A straightening and overload control technology for straightening machines, which is applied in the direction of total factory control, comprehensive factory control, electrical program control, etc., can solve the problem of uncontrollable overload state of straightening rollers of straightening machines, and achieve the effect of increasing speed

Active Publication Date: 2015-10-07
MAGANG (GROUP) HOLDING CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the overload state of the straightening rollers of the straightening machine cannot be controlled, the present invention provides a control system for preventing the overloading of the straightening rollers of the straightening machine, which solves the problem that the overloading state of the straightening rollers of the straightening machine cannot be controlled, and improves Improve the service life of the main straightening roller transmission mechanism of the straightening machine and reduce the damage frequency of the equipment

Method used

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  • A Control System to Prevent Overload of Straightening Roller of Straightening Machine
  • A Control System to Prevent Overload of Straightening Roller of Straightening Machine
  • A Control System to Prevent Overload of Straightening Roller of Straightening Machine

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Embodiment Construction

[0024] combined with Figure 1-3 This embodiment will be described. Such as image 3Among them, LVM is the function block of "two-way value out-of-tolerance detection". When X≥M+HY, QU is '1'. When M-HYX2, QU is '1', when X1=X2, QE is '1' , when X1<X2, QL is '1'; PDF is the function block of "post-edge delay"; RSR is the function block of "RS flip-flop with R priority at the reset terminal", when S is '1', R is '0 ', Q is '1', QN is '0', when S is '1', R is '1', Q is '0', QN is '1', when S is '0', R is When '0', Q and QN keep the original state, when S is '0', R is '1', Q is '0' and QN is '1'; OR is 'or' gate; BBF is a cycle pulse generator , the pulse width is T, and the pulse period is 2T; CTR is the "bidirectional counter" function block, IU and ID are the positive and negative counting pulse input terminals respectively, R and S are the reset terminal and setting terminal of the counter count value, SV It is the setting value of the counter, LU and LL are the upper and...

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Abstract

The invention relates to a control system for preventing a straightening roll of a straightener from overload and a control method thereof. The control system comprises a straightening roll overload control switching unit. An input signal includes the automatic straightening target speed and the actual speed of the straightening roll of the straightener, the speed reducing load adjusting section of the straightening roll is determined by comparing the target speed with the actual speed, and a straightening roll overload control switching signal is generated. The system further comprises a straightening roll overload recognition and control unit. The straightening roll overload recognition and control unit receives the signal of the straightening roll overload control switching unit and enables the actual speed of the straightening roll to obtain corresponding reduction quantity by acquiring the speed reference value reducing quantity of the corresponding driving straightening roll to enable the straightening roll to quit the overload state. The control system solves the problem that the overload state of the straightening roll of the straightener cannot be controlled, the service life of a main straightening roll transmission mechanism of the straightener is prolonged, and the machine breakdown frequency is reduced.

Description

technical field [0001] The invention relates to the technical field of electric drive control, in particular to the overload control of straightening rollers of a straightening machine. Background technique [0002] The large H-beam production line of Maanshan Iron and Steel No. Straightening rollers, five are lower straightening rollers), staggered up and down, of which four upper straightening rollers are active straightening rollers (respectively numbered as the second active straightening roller, the fourth active straightening roller, the sixth active straightening roller Straightening roller and the eighth active straightening roller), each upper straightening roller is driven by a motor (220KW) through a reducer; the lower straightening roller is a passive straightening roller (respectively numbered as the first passive straightening roller , the third passive straightening roller, the fifth passive straightening roller, the seventh passive straightening roller and t...

Claims

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Application Information

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IPC IPC(8): B21D3/02G05B19/418
CPCY02P90/02
Inventor 叶光平任斌徐洪吴卫华董长付王志远
Owner MAGANG (GROUP) HOLDING CO LTD
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