CN104360626B - Steel rider road automated intelligent control method is fed in steel rolling - Google Patents
Steel rider road automated intelligent control method is fed in steel rolling Download PDFInfo
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- CN104360626B CN104360626B CN201410600770.XA CN201410600770A CN104360626B CN 104360626 B CN104360626 B CN 104360626B CN 201410600770 A CN201410600770 A CN 201410600770A CN 104360626 B CN104360626 B CN 104360626B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Steel rider road automated intelligent control method is fed the present invention relates to a kind of steel rolling, realizes that hot continuous rolling feeds the control technology of steel intelligentized control method in particular with PLC, belongs to technical field of electric control.Technical scheme is to include following technical process：1. signal acquisition；2. the adjustment of steel spacing Automatic Optimal is fed；3. switching is automatically controlled manually；4. pause, jerk control manually.Good effect of the present invention：According to rolling second flow principle, realize that roughing is fed the regulation of steel rider road automated intelligent and controlled using PLC program control and autogamy adjusting means, thus realize in the operation of rolling automatically with mill milling speeds match, efficiently realize and at the uniform velocity roll；The key translation function of auto-manual one and the intelligent adjustment processing of hello steel spacing, realize and rolling rhythm and hello steel interval are adjusted, so as to ensure that the operation of rolling feeds the reliability of steel to greatest extent.
Description
Technical field
Steel rider road automated intelligent control method is fed the present invention relates to a kind of steel rolling, realizes that hot continuous rolling is fed in particular with PLC
The control technology of steel intelligentized control method, belongs to technical field of electric control.
Background technology
At present, in smelter, after the continual rolling transformation of wire and rod factory, heating furnace tapping mode is changed, and is entered by end
Bring out and be changed to parallel push rods and push away roller-way extension of being tapped before steel, the first rolling mill, roller-way is controlled by the dragging of 12 motor sectionals, behaviour
Make platform and manually control cumbersome, the technical problem that exists is after continual rolling transformation：First, operation format falls behind, and operative employee insults
It is disorderly busy, often result in roller-way length turn, roller-way and stay steel；Secondly, operating system less stable, failure is more, manually controls
Also easily occur operational error in journey to cause the accident, generation, which is rolled, gets rid of.
The content of the invention
Steel rider road automated intelligent control method is fed it is an object of the present invention to provide a kind of steel rolling, according to the equal original of rolling second flow
Reason, is realized that roughing is fed the regulation of steel rider road automated intelligent and controlled using PLC program control and autogamy adjusting means, is rolled so as to realize
During system automatically with mill milling speeds match, efficiently realize at the uniform velocity roll, solve background technology exist above mentioned problem.
The technical scheme is that：
Steel rider road automated intelligent control method is fed in a kind of steel rolling, is realized by working out PLC control program, is included following technique
Process：
1. signal acquisition
Automatically control startup and stop, the throwing steel letter that steel pole signal, the 3rd rolling mill throw steel is gone out using the burner of heating furnace
Number, the stinging of the 4th rolling mill, throw the heat inspection signal installed before steel signal and the first rolling mill, the 4th rolling mill and realize, then by line
Road is transferred on PLC, makes equipment very clear, it was observed that its running status；The burner of heating furnace goes out steel pole and adopted for the first signal
Collect, go out steel pole per forward motion once, the roller-way of heating furnace just rotate, retreat when heating furnace roller-way stopping；
3rd rolling mill is thrown steel situation and gathered for secondary signal, and the roller-way that the 3rd rolling mill throws after steel, the 3rd rolling mill has
Steel indicator lamp is bright, and steel is fed automatically and is carried out, the roller-way after the 3rd rolling mill is rotated forward；
3rd collection signal is that the 4th rolling mill stings throwing steel signal, after the 4th rolling mill stings steel, before the 4th rolling mill
Roller-way stops operating, and roller-way has steel indicator lamp to go out；After the 4th rolling mill throws steel, the roller-way automatic start before the 4th rolling mill,
Continue to feed steel automatically；
Heat inspection before the heat inspection that 4th collection signal is installed before the first rolling mill, the 4th rolling mill, the first rolling mill
Detecting first mill approach table has steel signal, stops the roller bed rotation of heating furnace；When the 4th rolling mill does not throw steel also
When, and heat detects the arrival of next steel, at this moment, the roller-way before the 4th rolling mill is automatically stopped；
2. the adjustment of steel spacing Automatic Optimal is fed
Be to ensure that four rolling mills feed steel interval holding between 1s -1.2s, when have feed too fast steel rhythm, interval too small or
Feed the rhythm too excessive situation of slow, spacing to occur, adjustment in time；Set and feed the control of steel spacing Automatic Optimal auxiliary switch and indicate
Lamp；
Under auto state, when indicator lamp sent automatic pause signal three times in 3 minutes, illustrate to feed steel rhythm too fast,
Interval too small, now, automatic increase feed steel interval time 100ms, the bright 1s of adjustment+indicator lamp；Indicator lamp is shown, in 3 minutes
When three hello steel intervals were more than 1.2 seconds, illustrate that hello rhythm is too slow, spacing is excessive, now, it is automatic to reduce hello steel interval time
100ms, the bright 1s of adjustment-indicator lamp；Ensure that four rolling mills feed steel interval holding between 1s -1.2s；
Set on operating desk and feed steel interval adjustment button, can adjust 1 frame by this button feeds steel interval, by+, interval extension,
By-, interval is shortened, most long 25s, most short 0s, default interval 6s；
3. switching is automatically controlled manually
Roughing roller-way operating desk sets automatic, manual change-over switch；In manual position, roller-way before and after roughing is operated respectively
Forward and backward, when automatic running is abnormal, carries out feeding steel operation manually in time；When switch is in automated location, roughing roller-way root
Rotated forward automatically according to milling train, roller-way state, carry out feeding steel；
4. pause, jerk control manually
Operating desk sets roller-way pause button, when the steel spacing of four rolling mills is too small, by lower roller pause button, roller-way
Stop operating, be rotated further after release and feed steel.
Main, the emergency stop switch for stopping feeding steel is separately installed with operating desk, when the switch is in jerk position, no matter roller
Road is automatic or manual, and roller-way can not be operated, when the switch resets, if being that automatic and roller-way is running shape before jerk
State, then automatically into running status, when roller-way is had steel signal removal or automatic, manual change-over switch is pulled manual, roller-way
It can just stop operating.
Realize the present invention, it is necessary to operating desk be set, by programmable controller (model OMRON SYSMAC CPM2AH
48 points of positions) and 24V power supplys and each Operation switch and a set of operating desk of siren composition；PLC long-distance control cabinets one side is also needed to, with
And the part such as the one side of supporting noncontacting switch cabinet ten, two heat inspections is constituted.
According to present invention process step, those of ordinary skill in the art work out corresponding PLC control program, can be achieved with this
Invention.
The present invention, which is realized, feeds steel rider road intelligent control, beneficial to raising rolling quality and rhythm.Steel milling train rhythm, the back of the body are fed in roughing
Scape technology is adjusted by the professional skill and experience of operating personnel, and the present invention is adjust automatically, it be at the uniform velocity rolling, it is necessary to
Heat inspection detects to complete normal rolling, while in the case of milling train Dynamic Rolling Process, roller steel billet spacing is adjusted in real time, from
And realize efficient hello steel automatically.
The rolling line speed setting of each rolling mill of rolling mill practice flow, is in accordance with second flow principle and calculates.
The roller-way control of milling train is also foundation second flow principle to adjust, and otherwise will result in rolling mill speed imbalance and runs
Steel phenomenon, and it is exactly to adjust this micro unbalanced key equipment that the present invention feeds steel automatically.
Good effect of the present invention：According to rolling second flow principle, using PLC program control and autogamy adjusting means come
Realize that the regulation control of steel rider road automated intelligent is fed in roughing, thus realize in the operation of rolling automatically with mill milling speeds match, it is high
Effect is realized and at the uniform velocity rolled；The key translation function of auto-manual one and feed steel spacing intelligent adjustment processing, realize to rolling rhythm and
Feed steel interval to be adjusted, so as to ensure that the operation of rolling feeds the reliability of steel to greatest extent.
Brief description of the drawings
Fig. 1 is the layout of equipment of the embodiment of the present invention；
Fig. 2 is PLC control flow charts of the embodiment of the present invention；
Embodiment
Steel rider road automated intelligent control method is fed in a kind of steel rolling, is realized by working out PLC control program, is included following technique
Process：
1. signal acquisition
Automatically control startup and stop, the throwing steel letter that steel pole signal, the 3rd rolling mill throw steel is gone out using the burner of heating furnace
Number, the stinging of the 4th rolling mill, throw the heat inspection signal installed before steel signal and the first rolling mill, the 4th rolling mill and realize, then by line
Road is transferred on PLC, makes equipment very clear, it was observed that its running status；The burner of heating furnace goes out steel pole and adopted for the first signal
Collect, go out steel pole per forward motion once, the roller-way of heating furnace just rotate, retreat when heating furnace roller-way stopping；
3rd rolling mill is thrown steel situation and gathered for secondary signal, and the roller-way that the 3rd rolling mill throws after steel, the 3rd rolling mill has
Steel indicator lamp is bright, and steel is fed automatically and is carried out, the roller-way after the 3rd rolling mill is rotated forward；
3rd collection signal is that the 4th rolling mill stings throwing steel signal, after the 4th rolling mill stings steel, before the 4th rolling mill
Roller-way stops operating, and roller-way has steel indicator lamp to go out；After the 4th rolling mill throws steel, the roller-way automatic start before the 4th rolling mill,
Continue to feed steel automatically；
Heat inspection before the heat inspection that 4th collection signal is installed before the first rolling mill, the 4th rolling mill, the first rolling mill
Detecting first mill approach table has steel signal, stops the roller bed rotation of heating furnace；When the 4th rolling mill does not throw steel also
When, and heat detects the arrival of next steel, at this moment, the roller-way before the 4th rolling mill is automatically stopped；
2. the adjustment of steel spacing Automatic Optimal is fed
Be to ensure that four rolling mills feed steel interval holding between 1s -1.2s, when have feed too fast steel rhythm, interval too small or
Feed the rhythm too excessive situation of slow, spacing to occur, adjustment in time；Set and feed the control of steel spacing Automatic Optimal auxiliary switch and indicate
Lamp；
Under auto state, when indicator lamp sent automatic pause signal three times in 3 minutes, illustrate to feed steel rhythm too fast,
Interval too small, now, automatic increase feed steel interval time 100ms, the bright 1s of adjustment+indicator lamp；Indicator lamp is shown, in 3 minutes
When three hello steel intervals were more than 1.2 seconds, illustrate that hello rhythm is too slow, spacing is excessive, now, it is automatic to reduce hello steel interval time
100ms, the bright 1s of adjustment-indicator lamp；Ensure that four rolling mills feed steel interval holding between 1s -1.2s；
Set on operating desk and feed steel interval adjustment button, can adjust 1 frame by this button feeds steel interval, by+, interval extension,
By-, interval is shortened, most long 25s, most short 0s, default interval 6s；
3. switching is automatically controlled manually
Roughing roller-way operating desk sets automatic, manual change-over switch；In manual position, roller-way before and after roughing is operated respectively
Forward and backward, when automatic running is abnormal, carries out feeding steel operation manually in time；When switch is in automated location, roughing roller-way root
Rotated forward automatically according to milling train, roller-way state, carry out feeding steel；
4. pause, jerk control manually
Operating desk sets roller-way pause button, when the steel spacing of four rolling mills is too small, by lower roller pause button, roller-way
Stop operating, be rotated further after release and feed steel.
Main, the emergency stop switch for stopping feeding steel is separately installed with operating desk, when the switch is in jerk position, no matter roller
Road is automatic or manual, and roller-way can not be operated, when the switch resets, if being that automatic and roller-way is running shape before jerk
State, then automatically into running status, when roller-way is had steel signal removal or automatic, manual change-over switch is pulled manual, roller-way
It can just stop operating.
Realize the present invention, it is necessary to operating desk be set, by programmable controller (model OMRON SYSMAC CPM2AH
48 points of positions) and 24V power supplys and each Operation switch and a set of operating desk of siren composition；PLC long-distance control cabinets one side is also needed to, with
And the part such as the one side of supporting noncontacting switch cabinet ten, two heat inspections is constituted.
The present embodiment is specifically controlled and operating method：
The 1st, automatic, manual change-over switch is set；
2nd, under manual mode, institute's roller-way operation is carried out on case on the spot；
3rd, under auto state, roller-way is run by following logic control：
(1) roller-way automatically controls the setting page：
When A, the first rolling mill feed steel automatically, 1#--6# electric machines for roller start, stop selection；
When B, the milling train of frame four feed steel automatically, 7#--12# electric machines for roller start, stop selection；
When C, the 3rd rolling mill throw steel, 7#, 8# electric motor starting, stopping selection；
The delay of D, 1# motor stops delay time setting；
When E, the first rolling mill throw steel, steel home position signal delay adjustmentses are fed；
When F, the 3rd rolling mill throw steel, 7#, 8# motor stop delay time setting；
When G, the 4th rolling mill sting steel, the 4th rolling mill feeds the setting of steel delay time；
(2) control logic explanation
1. when, the first rolling mill hello steel signal is 1, first mill front roll road electric motor starting starts to feed steel；
2. when, the first rolling mill stings steel, first mill front roll road motor stops；
3., the first rolling mill throws after steel and the 3rd rolling mill that roller-way has steel signal when being zero, is delayed N milliseconds, first rolls
Machine front roller-way electric motor starting, the first rolling mill feeds steel；
4. when, the 3rd rolling mill throws steel, roller-way has steel home position signal after the 3rd rolling mill；
4th, the roller-way packet controlled manually：1#, 2#, 3# motor are one group；4#, 5#, 6# motor are one group；7#, 8#, 9# electricity
Machine is one group；10#, 11#, 12# motor are one group, and 4 operation handles operate the rotating of 4 groups of motors to carry out feeding steel operation；
When the 5th, automatically controlling, whether 3 selecting switch of 1# motors, 7# motors, 12# motors on operating desk select it
Participate in feeding steel control automatically, when cutting off position, the motor is not started when feeding steel automatically；
6th, points for attention：
1. when, the 4th rolling mill fed steel interval less than 1 second, alarm 3S, reminds operative employee to note；
2. when, the quantity of the back mill table steel of frame three is more than 2, operating desk alarm lamp 0.5s interval alarms stop feeding steel,
Need manual artificial treatment；
3., go out steel pole to run after 3s forward, 1#, 2#, 3# roller-way start, have steel indicator lamp bright before the first rolling mill, work as frame
During more than one preceding steel, indicator lamp flicker, but do not influence to feed the operation of steel program automatically, when going out steel pole retrogressing, 1#, 2#, 3# motor
Stop operating.Under auto state, possess and feed after steel bar part, automatic start roller-way feeds steel.When due to a variety of causes, (such as steel is by day
Car is called away), there is steel indicator lamp bright before the first rolling mill, and when actually roller-way is without steel, have steel by first mill front roll road
Button is removed, has steel indicator lamp to go out.
4., need to be by SR, when steel is hung away by overhead traveling crane after the 3rd rolling mill of barrier for some reason, roller-way has steel indicator lamp to go out,
After the 3rd rolling mill throws steel again, there is steel indicator lamp bright after the 3rd rolling mill, can continue to feed steel automatically.
Effect：The key translation function of auto-manual one and feed steel spacing intelligent adjustment processing, realize to rolling rhythm and feed
Steel interval is adjusted, so as to ensure that the operation of rolling feeds the reliability of steel to greatest extent.
Claims (2)
1. steel rider road automated intelligent control method is fed in a kind of steel rolling, it is characterised in that realized by working out PLC control program, comprising
Following technical process：
1. signal acquisition
Automatically control startup and stop, going out steel pole signal, the 3rd rolling mill using the burner of heating furnace throws the throwing steel signal of steel, the
The stinging of four rolling mills, throw the heat inspection signal installed before steel signal and the first rolling mill, the 4th rolling mill and realize, then by line transmission
Onto PLC, make equipment very clear, it was observed that its running status；It is the first signal acquisition, tapping that the burner of heating furnace, which goes out steel pole,
Bar per forward motion once, the roller-way of heating furnace just rotate, retreat when heating furnace roller-way stopping；
3rd rolling mill is thrown steel situation and gathered for secondary signal, and the roller-way that the 3rd rolling mill throws after steel, the 3rd rolling mill has steel to refer to
Show that lamp is bright, steel is fed automatically and is carried out, the roller-way after the 3rd rolling mill is rotated forward；
3rd collection signal is that the 4th rolling mill stings throwing steel signal, after the 4th rolling mill stings steel, the roller-way before the 4th rolling mill
Stop operating, roller-way has steel indicator lamp to go out；After the 4th rolling mill throws steel, the roller-way automatic start before the 4th rolling mill continues
Automatically steel is fed；
Heat inspection detection before the heat inspection that 4th collection signal is installed before the first rolling mill, the 4th rolling mill, the first rolling mill
There is steel signal to first mill approach table, stop the roller bed rotation of heating furnace；When the 4th rolling mill does not also throw steel, and
Heat before 4th rolling mill detects the arrival of next steel, and at this moment, the roller-way before the 4th rolling mill is automatically stopped；
2. the adjustment of steel spacing Automatic Optimal is fed
To ensure that four rolling mills feed steel interval holding between 1s -1.2s, steel rhythm too fast, interval too small or hello section are fed when having
Play the too excessive situation of slow, spacing to occur, adjustment in time；Set and feed the control of steel spacing Automatic Optimal auxiliary switch and indicator lamp；
Under auto state, when indicator lamp sent automatic pause signal three times in 3 minutes, illustrate to feed steel rhythm too fast, interval
Too small, now, steel interval time 100ms, the bright 1s of adjustment+indicator lamp are fed in automatic increase；Indicator lamp is shown, three times in 3 minutes
When feeding steel interval more than 1.2 seconds, illustrate that hello rhythm is too slow, spacing is excessive, now, automatic reduce feeds steel interval time 100ms, tune
The bright 1s of whole-indicator lamp；Ensure that four rolling mills feed steel interval holding between 1s -1.2s；
Set on operating desk and feed steel interval adjustment button, can adjust 1 frame by this button feeds steel interval, by+, interval extension, by-,
Interval is shortened, most long 25s, most short 0s, default interval 6s；
3. switching is automatically controlled manually
Roughing roller-way operating desk sets automatic, manual change-over switch；In manual position, respectively operate roughing before and after roller-way just,
Reversion, when automatic running is abnormal, carries out feeding steel operation manually in time；When switch in automated location when, roughing roller-way according to
Milling train, roller-way state are rotated forward automatically, carry out feeding steel；
4. pause, jerk control manually
Operating desk sets roller-way pause button, when the steel spacing of four rolling mills is too small, and by lower roller pause button, roller-way stops
Rotate, be rotated further after release and feed steel.
2. steel rider road automated intelligent control method is fed in a kind of steel rolling according to claim 1, it is characterised in that：Main, behaviour
Make to be separately installed with the emergency stop switch for stopping feeding steel on platform, when the switch is in jerk position, no matter roller-way is automatic or hand
Dynamic, roller-way can not be operated, when the switch resets, if being automatic and roller-way before jerk in running status, automatically into
Running status, when roller-way is had steel signal removal or automatic, manual change-over switch is pulled manual, roller-way can just stop operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600770.XA CN104360626B (en) | 2014-10-31 | 2014-10-31 | Steel rider road automated intelligent control method is fed in steel rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600770.XA CN104360626B (en) | 2014-10-31 | 2014-10-31 | Steel rider road automated intelligent control method is fed in steel rolling |
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| Publication Number | Publication Date |
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| CN104360626A CN104360626A (en) | 2015-02-18 |
| CN104360626B true CN104360626B (en) | 2017-08-01 |
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Families Citing this family (7)
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| CN109396195B (en) * | 2018-11-13 | 2020-08-14 | 四川德胜集团钒钛有限公司 | Anti-seismic steel bar head and tail identification quick-falling control system and control method |
| CN109590335B (en) * | 2018-11-22 | 2020-06-26 | 阳春新钢铁有限责任公司 | Control system and method for preventing steel billet from heading and tailing |
| CN109590336B (en) * | 2018-11-22 | 2020-06-26 | 阳春新钢铁有限责任公司 | Control system and method for steel billet spacing |
| CN109590337B (en) * | 2018-11-22 | 2021-03-02 | 阳春新钢铁有限责任公司 | Control system and method for preventing steel scrap |
| CN110814022B (en) * | 2019-10-28 | 2021-03-23 | 北京科技大学设计研究院有限公司 | Automatic control method for front roller way of 5-level 3-vertical roughing mill set |
| CN111530929A (en) * | 2020-05-14 | 2020-08-14 | 攀钢集团攀枝花钢钒有限公司 | Method for realizing energy saving by automatically starting and stopping four-roller reversible rolling mill |
| CN114101349B (en) * | 2021-11-19 | 2023-05-26 | 阳春新钢铁有限责任公司 | Intelligent detection and intelligent treatment system and method for steel-poking abnormality of double-high-line steel-separating roller way |
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| JP2008097323A (en) * | 2006-10-12 | 2008-04-24 | Koyo Electronics Ind Co Ltd | Motion control system |
| CN201765503U (en) * | 2010-09-03 | 2011-03-16 | 武汉迈科机电物资工程有限公司 | Electrical control system of hot rolling reeling machine pinch roll on-line grinding and rolling apparatus |
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