CN103838175A - Alternating-current flying shear control system - Google Patents
Alternating-current flying shear control system Download PDFInfo
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- CN103838175A CN103838175A CN201310726872.1A CN201310726872A CN103838175A CN 103838175 A CN103838175 A CN 103838175A CN 201310726872 A CN201310726872 A CN 201310726872A CN 103838175 A CN103838175 A CN 103838175A
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Abstract
The invention discloses an alternating-current flying shear control system which comprises a flying shear machine body and a control system body. The flying shear machine body comprises a transmission device, a timer and a shearing mechanism. The control system body comprises a control unit, a PLC and a rectification inversion device. The control system body is provided with a current closed-loop control unit, a speed closed-loop control unit and a position closed-loop control unit, wherein the current closed-loop control unit and the speed closed-loop control unit are controlled by the transmission device of the flying shear machine body. The position closed-loop control unit is controlled by a drive control DCC of the control unit. By means of a three-loop control system with the position closed-loop control unit, the current, the speed and the position of a motor can be controlled accurately, and the shearing precision is ensured.
Description
Technical field
The present invention relates to flying shearing machine control system field, specifically, specially refer to a kind of flying shear control system that exchanges.
Background technology
The traditional method that exchanges at present flying shear adopts the driver of ABB to drag the motor of ABB, need the extra controller, for example of increasing: the T400 board of SIEMENS company, S7300PLC etc., such configuration is unfavorable for driving the data exchange between control, greatly affect shear precision and system stability, be unfavorable for the lumber recovery of product.
Summary of the invention
The technical matters that actual needs of the present invention solves is: for deficiency of the prior art, provide a kind of flying shear control system that exchanges, to address the above problem.
Technical matters solved by the invention can realize by the following technical solutions:
Exchange flying shear control system, it is characterized in that: comprise flying shearing machine body and control system;
Described flying shearing machine body comprises gearing, timer and cutting mechanism;
Described control system comprises control module, PLC controller and commutation inversion device;
Described control system has current closed-loop control module, speed closed loop control module and position closed loop control module; Wherein, current closed-loop control module and speed closed loop control module are controlled by the gearing of flying shearing machine body, and position closed loop control module is controlled by the driving control DCC of control module;
The reference position set-point of described cutting mechanism converts position angle to Speed Setting difference by position closed loop control module; In the time workpiece front end being detected, timer starts timing, and timing ends with system is sent cut command, and speed preset value, through stack, sends to gearing, by computing, is input to transmission speed regulator by integrating circuit, and motor accelerates to shear rate;
Described driving control DCC reads umber of pulse by hardware address from the pulse encoder module of gearing, carry out the calculating of cutting mechanism actual speed and physical location, and judge by the zero pulse signal that is arranged on the coaxial zero-bit approach switch detection cutting mechanism closure state of cutting mechanism whether current cutting mechanism has sheared the conversion that enters on-position and carry out angle of circumference degree.
Further, described zero-bit approach switch comprises with the coaxial mounted induction iron plate of cutting mechanism and is positioned at the approach switch of responding to iron plate side; Described approach switch can detect induction iron plate and " 1 " pulse signal is sent on the high speed input terminal of control module, drives control DCC to read in this logical signal, obtains braking and computing information.
Compared with prior art, beneficial effect of the present invention is as follows:
By the three ring control system with position closed loop control, electric current, speed, the position of having realized accurate control motor, ensure shear precision.
Brief description of the drawings
Fig. 1 is the control principle drawing of interchange flying shear control system of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
Referring to Fig. 1, interchange flying shear control system of the present invention, comprises flying shearing machine body and control system; Described flying shearing machine body comprises gearing, timer and cutting mechanism; Described control system comprises control module, PLC controller and commutation inversion device.
Described control system has current closed-loop control module, speed closed loop control module and position closed loop control module; Wherein, current closed-loop control module and speed closed loop control module are controlled by the gearing of flying shearing machine body, and position closed loop control module is controlled by the driving control DCC of control module;
Relation between shear history medium velocity, electric current and position is as follows:
The reference position of cutting edge, at 135 °, is received cut command, and cutting mechanism starts rotation from reference position to accelerate by certain slope, and the position of cutting edge constantly changes simultaneously, and uniformly accelerated motion reaches setting speed when clipping to rolled piece, and this is the first stage; In the time reaching shearing point, zero-bit approach switch detects signal and sends to position control system, and system is carried out the conversion of position circle week, and starting the maximum braking of braking procedure angle is 190 °, and the end current of on-position reaches maximal value, and this is subordinate phase.After braking procedure completes, cutting edge turns back to reference position according to the suitable speed of setting, and waits for the shearing of lower root steel billet, and this is the phase III.
The reference position set-point of described cutting mechanism converts position angle to Speed Setting difference by position closed loop control module; In the time workpiece front end being detected, timer starts timing, and timing ends with system is sent cut command, and speed preset value, through stack, sends to gearing, by computing, is input to transmission speed regulator by integrating circuit, and motor accelerates to shear rate;
Described driving control DCC reads umber of pulse by hardware address from the pulse encoder module of gearing, carry out the calculating of cutting mechanism actual speed and physical location, and judge by the zero pulse signal that is arranged on the coaxial zero-bit approach switch detection cutting mechanism closure state of cutting mechanism whether current cutting mechanism has sheared the conversion that enters on-position and carry out angle of circumference degree.
Further, described zero-bit approach switch comprises with the coaxial mounted induction iron plate of cutting mechanism and is positioned at the approach switch of responding to iron plate side; Described approach switch can detect induction iron plate and " 1 " pulse signal is sent on the high speed input terminal of control module, drives control DCC to read in this logical signal, obtains braking and computing information.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. exchange flying shear control system, it is characterized in that: comprise flying shearing machine body and control system;
Described flying shearing machine body comprises gearing, timer and cutting mechanism;
Described control system comprises control module, PLC controller and commutation inversion device;
Described control system has current closed-loop control module, speed closed loop control module and position closed loop control module; Wherein, current closed-loop control module and speed closed loop control module are controlled by the gearing of flying shearing machine body, and position closed loop control module is controlled by the driving control DCC of control module;
The reference position set-point of described cutting mechanism converts position angle to Speed Setting difference by position closed loop control module; In the time workpiece front end being detected, timer starts timing, and timing ends with system is sent cut command, and speed preset value, through stack, sends to gearing, by computing, is input to transmission speed regulator by integrating circuit, and motor accelerates to shear rate;
Described driving control DCC reads umber of pulse by hardware address from the pulse encoder module of gearing, carry out the calculating of cutting mechanism actual speed and physical location, and judge by the zero pulse signal that is arranged on the coaxial zero-bit approach switch detection cutting mechanism closure state of cutting mechanism whether current cutting mechanism has sheared the conversion that enters on-position and carry out angle of circumference degree.
2. interchange flying shear control system according to claim 1, is characterized in that: described zero-bit approach switch comprises with the coaxial mounted induction iron plate of cutting mechanism and is positioned at the approach switch of responding to iron plate side; Described approach switch can detect induction iron plate and " 1 " pulse signal is sent on the high speed input terminal of control module, drives control DCC to read in this logical signal, obtains braking and computing information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726872.1A CN103838175B (en) | 2013-12-25 | 2013-12-25 | Exchange flying shear control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726872.1A CN103838175B (en) | 2013-12-25 | 2013-12-25 | Exchange flying shear control system |
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| Publication Number | Publication Date |
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| CN103838175A true CN103838175A (en) | 2014-06-04 |
| CN103838175B CN103838175B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310726872.1A Active CN103838175B (en) | 2013-12-25 | 2013-12-25 | Exchange flying shear control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171522A (en) * | 2015-10-29 | 2015-12-23 | 广东韶钢松山股份有限公司 | Shearing control system for fixed-length shear and use method thereof |
| CN106041199A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | Flying shear control system based on position ring |
| CN112068491A (en) * | 2020-09-02 | 2020-12-11 | 四川省达州钢铁集团有限责任公司 | Method for improving response speed of flying shear |
| CN114160868A (en) * | 2020-09-10 | 2022-03-11 | 斯凯孚公司 | Monitoring method for crank flying shear process of plate blank |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144535A (en) * | 2005-11-25 | 2007-06-14 | Toshiba Mitsubishi-Electric Industrial System Corp | Apparatus for controlling cutting operation of flying shear |
| CN102023610A (en) * | 2010-10-14 | 2011-04-20 | 中冶华天南京自动化工程有限公司 | Method and device for achieving positioning and shearing control of flying shear by process software |
| CN102033506A (en) * | 2010-10-29 | 2011-04-27 | 上海金自天正信息技术有限公司 | Automatic control method and system for flying shear |
| CN202147179U (en) * | 2011-01-20 | 2012-02-22 | 中冶华天南京自动化工程有限公司 | Device for flying shear location and shearing control |
| CN103135496A (en) * | 2013-03-20 | 2013-06-05 | 济钢集团有限公司 | Altitude alternating current flying shear control device based on motion control and control system |
-
2013
- 2013-12-25 CN CN201310726872.1A patent/CN103838175B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007144535A (en) * | 2005-11-25 | 2007-06-14 | Toshiba Mitsubishi-Electric Industrial System Corp | Apparatus for controlling cutting operation of flying shear |
| CN102023610A (en) * | 2010-10-14 | 2011-04-20 | 中冶华天南京自动化工程有限公司 | Method and device for achieving positioning and shearing control of flying shear by process software |
| CN102033506A (en) * | 2010-10-29 | 2011-04-27 | 上海金自天正信息技术有限公司 | Automatic control method and system for flying shear |
| CN202147179U (en) * | 2011-01-20 | 2012-02-22 | 中冶华天南京自动化工程有限公司 | Device for flying shear location and shearing control |
| CN103135496A (en) * | 2013-03-20 | 2013-06-05 | 济钢集团有限公司 | Altitude alternating current flying shear control device based on motion control and control system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171522A (en) * | 2015-10-29 | 2015-12-23 | 广东韶钢松山股份有限公司 | Shearing control system for fixed-length shear and use method thereof |
| CN106041199A (en) * | 2016-07-08 | 2016-10-26 | 江苏永钢集团有限公司 | Flying shear control system based on position ring |
| CN112068491A (en) * | 2020-09-02 | 2020-12-11 | 四川省达州钢铁集团有限责任公司 | Method for improving response speed of flying shear |
| CN112068491B (en) * | 2020-09-02 | 2021-09-21 | 四川省达州钢铁集团有限责任公司 | Method for improving response speed of flying shear |
| CN114160868A (en) * | 2020-09-10 | 2022-03-11 | 斯凯孚公司 | Monitoring method for crank flying shear process of plate blank |
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| Publication number | Publication date |
|---|---|
| CN103838175B (en) | 2016-08-17 |
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