CN108393356A - A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear - Google Patents
A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear Download PDFInfo
- Publication number
- CN108393356A CN108393356A CN201810357546.0A CN201810357546A CN108393356A CN 108393356 A CN108393356 A CN 108393356A CN 201810357546 A CN201810357546 A CN 201810357546A CN 108393356 A CN108393356 A CN 108393356A
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- Prior art keywords
- control system
- flying shear
- coil box
- magnetic tape
- hot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The present invention is a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear, including work in coordination speed master control system, tracking system, coil diameter computing system, sequential control system and flying shear cutting system optimization end to end.The present invention largely ensure that the temperature of rough rolling strip steel end to end, it ensure that the technique rolling requirements of finish rolling, play highly desirable scale removal effect simultaneously, reduce the energy consumption of electric power resource, the rational sequential control system of software considerably reduces the generation ratio of steel scrap and the operation difficulty of operative employee.Head ＆ tail track and magnetic tape trailer positioning control system intuitively can feed back to operative employee by picture, while accurately magnetic tape trailer positioning reduces number and the time of operative employee's manual intervention, largely reduces the thermal losses of strip.Phenomena such as Coil Box crimping procedure of optimization can eliminate hot rolling turriform, loose winding, difficult uncoiling.Flying shear control system can more accurately shear strip end to end, improve the lumber recovery of strip.
Description
Technical field
The present invention relates to hot continuous rolling field of metallurgy more particularly to a kind of automatically controlled systems applied to hot continuous rolling Coil Box and flying shear
System.
Background technology
In hot continuous rolling field of metallurgy, roughing operation and finishing rolling step delay table are lengthy, roughing end passes
Strip residence time before entering finishing rolling step is longer, to cause bigger heat loss.Finishing rolling control model is for temperature
The requirement of degree is relatively high, and excessive temperature drop not only influences the motor load of each rack of finish rolling, increases power consumption, is also caused to template
Many adverse effects.Hot continuous rolling flying shear control cropping, the length of back-end crop are very unstable, sometimes long sometimes too short, or even have
Do not switch to and strip among partial application the case where, cause the lumber recovery of steel billet that can not ensure, or even the accident of steel scrap can be caused.
Invention content
Present invention seek to address that the deficiencies in the prior art, and provide a kind of applied to the automatically controlled of hot continuous rolling Coil Box and flying shear
System.
The present invention to achieve the above object, using following technical scheme：
A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear, including the speed master control system that works in coordination
System, end to end tracking system, coil diameter computing system, sequential control system and flying shear cutting system optimization；
The speed master control system is matched with roughing extreme trace time mill speed, and strip enters Coil Box acceleration and deceleration and essence
Accurate magnetic tape trailer positioning；
The tracking system end to end realizes the accurate tracking to taking the lead magnetic tape trailer；
The coil diameter computing system utilizes the data end to end of tracking system end to end, accurately according to the relationship of band and coil diameter
Calculate current coil diameter and the number of turns；
The sequential control system controls the coordination of each equipment using rational process timing sequence, reaches hot rolling technology
Demand；
The flying shear cutting system optimization calculates flying shear to precisely being tracked by the magnetic tape trailer position of taking the lead of flying shear
Motor start shearing in advance and hysteresis, with realize accurately take the lead magnetic tape trailer shearing displacement.
Further include frequency converter driving control system, Hydrauservo System, displacement sensor, close switch, heat inspection, coding
Device, HMI industry controls picture and PLC controller, the driving control system, Hydrauservo System, displacement sensor, close to switch,
Hot inspection, encoder, HMI industry control pictures are connected with PLC controller.
The driving control system, Hydrauservo System, displacement sensor, close switch, hot inspection, encoder, HMI industry controls
It is connected by industrial network and switch board between picture and PLC controller.
The dynamic Control of the frequency converter driving control system, Hydrauservo System hot continuous rolling Coil Box and flying shear in order to control
System, institute's displacement sensors are arranged close to switch, heat inspection, encoder before hot continuous rolling Coil Box and each process of flying shear
Afterwards.
The speed master control system, which includes that Coil Box curling is main, enables speed control system and the main order speed of Coil Box uncoiling
Spend control system；
The tracking system end to end coordinates heat inspection signal by the communication of roughing and the umber of pulse of Coil Box gearing encoder
It realizes to taking the lead the accurate tracking of magnetic tape trailer, and is embodied on HMI industry control pictures；
The flying shear cutting system optimization is using the pulse value of heat inspection and encoder to taking the lead magnetic tape trailer position by flying shear
Precisely tracked.
The beneficial effects of the invention are as follows：The present invention largely ensure that the temperature of rough rolling strip steel end to end, ensure that essence
The technique rolling requirements rolled, while highly desirable scale removal effect is played, reduce the energy consumption of electric power resource, software is reasonable
Sequential control system considerably reduce the generation ratio of steel scrap and the operation difficulty of operative employee.Head ＆ tail track and magnetic tape trailer are fixed
Level controlling system intuitively can feed back to operative employee by picture, while accurately magnetic tape trailer positioning reduces operative employee and manually does
Pre- number and time, largely reduces the thermal losses of strip.The Coil Box crimping procedure of optimization can eliminate heat
Phenomena such as rolling up turriform, loose winding, difficult uncoiling.Flying shear control system can more accurately shear strip end to end, to improve
The lumber recovery of strip improves the economic benefit of steel mill.
Description of the drawings
Fig. 1 is the placement position figure of the detecting element of the present invention；
Fig. 2, which is that the Coil Box curling of the present invention is main, enables speed sequences figure；
Fig. 3, which is that the Coil Box uncoiling of the present invention is main, enables speed sequences figure；
Fig. 4 is that Coil Box tail portion of the present invention positions schematic diagram；
Fig. 5, which is that the flying shear of the present invention is main, enables speed sequences figure；
Fig. 6 is the flying shear control sequential figure of the present invention；
In figure：1- No.1 hot metal detectors；No. bis- hot metal detectors of 2-；No. tri- hot metal detectors of 3-；4- tetra-
Hot metal detector；No. five hot metal detectors of 5-；No. six hot metal detectors of 6-；7- pyrometers；8- Coil Box region；9- flies
Cut region；10- De-scaling boxs region；11- delay tables；12- Coil Box inlet roller ways；13- cuts front roller-way；It is removed before 14- finishing mills
Squama roller-way；The curling of 15- Coil Box is main to enable speed line；The short base roughing of 16- is main to enable speed line；17- long base roughing is main to enable speed line；
18- Coil Box uncoilings are main to enable speed line；19- flying shears cut off speed line；20- finish rolling entrance velocity lines；21- flying shear back-end crop speed
Line；
It is described in detail with reference to attached drawing below with reference to the embodiment of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear, including the speed master control system that works in coordination
System, end to end tracking system, coil diameter computing system, sequential control system and flying shear cutting system optimization；
The speed master control system is matched with roughing extreme trace time mill speed, and strip enters Coil Box acceleration and deceleration and essence
Accurate magnetic tape trailer positioning；
The tracking system end to end realizes the accurate tracking to taking the lead magnetic tape trailer；
The coil diameter computing system utilizes the data end to end of tracking system end to end, accurately according to the relationship of band and coil diameter
Calculate current coil diameter and the number of turns；
The sequential control system controls the coordination of each equipment using rational process timing sequence, reaches hot rolling technology
Demand；
The flying shear cutting system optimization calculates flying shear to precisely being tracked by the magnetic tape trailer position of taking the lead of flying shear
Motor start shearing in advance and hysteresis, with realize accurately take the lead magnetic tape trailer shearing displacement.
Further include frequency converter driving control system, Hydrauservo System, displacement sensor, close switch, heat inspection, coding
Device, HMI industry controls picture and PLC controller, the driving control system, Hydrauservo System, displacement sensor, close to switch,
Hot inspection, encoder, HMI industry control pictures are connected with PLC controller.
The driving control system, Hydrauservo System, displacement sensor, close switch, hot inspection, encoder, HMI industry controls
It is connected by industrial network and switch board between picture and PLC controller.
The dynamic Control of the frequency converter driving control system, Hydrauservo System hot continuous rolling Coil Box and flying shear in order to control
System, institute's displacement sensors are arranged close to switch, heat inspection, encoder before hot continuous rolling Coil Box and each process of flying shear
Afterwards.
The speed master control system, which includes that Coil Box curling is main, enables speed control system and the main order speed of Coil Box uncoiling
Spend control system；
The tracking system end to end coordinates heat inspection signal by the communication of roughing and the umber of pulse of Coil Box gearing encoder
It realizes to taking the lead the accurate tracking of magnetic tape trailer, and is embodied on HMI industry control pictures；
The flying shear cutting system optimization is using the pulse value of heat inspection and encoder to taking the lead magnetic tape trailer position by flying shear
Precisely tracked.
Specific embodiment：
The present invention is configured with several hot checking devices, i.e. hot metal detector (heat inspection HMD), these hot metal detectors
Placement position as shown in Figure 1, the detection probe of No.1 hot metal detector 1 towards delay table 11 and Coil Box inlet roller way 12
Between；The detection probe of No. two hot metal detectors 2, No. three hot metal detectors, 3, No. four hot metal detectors 4 is towards hot rolling
Case region 8；The detection probe of No. five hot metal detectors 5 is towards cutting front roller-way 13；The detection probe of No. six hot metal detectors 6
Before finishing mill towards flying shear region 9 and De-scaling box region 10 between de-scaling roller-way 14, pyrometer 7 be located at Coil Box region 8 with
It cuts between front roller-way 13.
Coil Box curling is main to enable speed control system, as shown in Fig. 2, three lines respectively include that Coil Box is main to enable speed in figure
Line 15, short base roughing be main to enable speed line 16 and long base roughing is main enables speed line 17.Roughing extreme trace time starts, and Coil Box speed is in steel
Base head starts to accelerate to threading speed when arriving at roughing outlet；The short steel billet of roughing throws steel, long steel billet according to setting themselves speed
Coil Box threading speed can be reduced in deceleration point, the speed of Coil Box can be followed to carry out raising speed when forming tandem rolling, roughing throw steel it
Coil Box raising speed is to draw off rate afterwards；Coil Box is carried out according to the magnetic tape trailer length value of tracking taken the lead magnetic tape trailer position and calculated
Reduction of speed and magnetic tape trailer positioning, positioning are completed speed and are become zero.
Coil Box uncoiling is main to enable speed control system, as shown in figure 3, figure middle polyline, which is that Coil Box uncoiling is main, enables speed line
18.The speed that finish rolling entrance milling train can be followed when Coil Box uncoiling is stung in finish rolling after steel starts raising speed, and Coil Box can also follow essence
It is rolled into a mouthful gantry speed to start to accelerate, according to being reduced speed now after the completion of tracing positional uncoiling to zero, completes uncoiling.
Magnetic tape trailer positions, and intermediate base tail portion carries out tail portion location control when reaching Coil Box inlet roller way 12 so that has batched
At when among base tail portion be located in away from coil of strip horizontal line set angle position, be inserted into order to which uncoiling rises.Therefore, it is necessary to calculate
Tail length simultaneously controls tail portion locating speed and is accurately positioned to realize, position length formula LR=d1+r can be derived by Fig. 4
×(π-θ)+BC。
Flying shear position and speed control, as it can be seen in figures 5 and 6, three lines in Fig. 5 be respectively flying shear cropping speed line 19,
Finish rolling entrance velocity line 20 and flying shear back-end crop speed line 21；When flying shear starts automatic Steel Rolling, flying shear cuts front roller-way 13 and breast roll
Execute uncoiling area speed.Flying shear blade is moved to cropping cutting edge and waits for position (cutting off 130 ° of cutting edge, 310 ° of back-end crop cutting edge), in the middle
Between base head reach flying shear and cut front roller-way 13, No. five hot metal detectors 5 detect that intermediate base head, system are sent according to volume clamp
Roller encoder values calculate intermediate base head position, send out cut command by calculating, flying shear accelerates to waiting for position by cropping
Then shear velocity (uncoiling speed), fast braking after the completion of shearing carry out cutting edge positioning, cutting edge is moved to the waiting of back-end crop cutting edge
Position (cuts off 310 ° of cutting edge, 130 ° of back-end crop cutting edge), waits for back-end crop.Intermediate base tail portion reaches flying shear and cuts front roller-way 13, No. five heat
When metal detector 5 detects intermediate base tail portion, system exports top pinch roll encoder values according to De-scaling box and calculates intermediate base tail
Portion position sends out cut command by calculating, and flying shear waits for position backswing to back-end crop start bit (320 °) by back-end crop cutting edge, arrives
Back-end crop speed is accelerated to after up to start bit at once, then fast braking after the completion of shearing carries out cutting edge positioning, cutting edge, which is moved to, to be cut
It is first-class to wait for that position, waiting are cut off next time.
The present invention increases a set of Coil Box electric control system, can not only keep the temperature of roughing extreme trace sub-band steel toe tail
It is constant, reduce scattering and disappearing for heat, moreover it is possible to play good scale removal effect.The control system for hot coil box newly increased has rational main
Control system is enabled, it can be with process speed coordination before and after roughing, finish rolling；Accurately coil diameter computing system calculates real-time volume
Diameter and the number of turns；Accurately magnetic tape trailer positioning system, then smoothly uncoiling.Flying shear control system uses the umber of pulse and heat of encoder
The mode that phase-detecting combines more accurately tracks the position end to end of band, and cooperation flying shear driving control system is realized accurately end to end
Cutting.
The present invention largely ensure that the temperature of rough rolling strip steel end to end, ensure that the technique rolling requirements of finish rolling, together
When play highly desirable scale removal effect, reduce the energy consumption of electric power resource, the rational sequential control system of software is apparent
Reduce the generation ratio of steel scrap and the operation difficulty of operative employee.Head ＆ tail track and magnetic tape trailer positioning control system can be intuitive
Operative employee is fed back to by picture, while accurately magnetic tape trailer positioning reduces number and the time of operative employee's manual intervention, very
Reduce the thermal losses of strip in big degree.It is tired that the Coil Box crimping procedure of optimization can eliminate hot rolling turriform, loose winding, uncoiling
Phenomena such as difficult.Flying shear control system can more accurately shear strip end to end, to improve the lumber recovery of strip, improve steel
The economic benefit of factory.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as using the various improvement of inventive concept and technical scheme of the present invention progress, or not improved direct application
In other occasions, within protection scope of the present invention.
Claims (5)
1. a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear, which is characterized in that including the speed master to work in coordination
Enable control system, end to end tracking system, coil diameter computing system, sequential control system and flying shear cutting system optimization；
The speed master control system is matched with roughing extreme trace time mill speed, and strip enters Coil Box acceleration and deceleration and accurately
Magnetic tape trailer positions；
The tracking system end to end realizes the accurate tracking to taking the lead magnetic tape trailer；
The coil diameter computing system is accurately calculated using the data end to end of tracking system end to end according to the relationship of band and coil diameter
Go out current coil diameter and the number of turns；
The sequential control system controls the coordination of each equipment using rational process timing sequence, and reaching hot rolling technology needs
It asks；
The flying shear cutting system optimization calculates flying shear motor to precisely being tracked by the magnetic tape trailer position of taking the lead of flying shear
Start shearing in advance and hysteresis, with realize accurately take the lead magnetic tape trailer shearing displacement.
2. a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear according to claim 1, which is characterized in that also
It is drawn including frequency converter driving control system, Hydrauservo System, displacement sensor, close switch, hot inspection, encoder, HMI industry controls
Face and PLC controller, the driving control system, Hydrauservo System, displacement sensor, close to switch, hot inspection, encoder,
HMI industry control pictures are connected with PLC controller.
3. a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear according to claim 2, which is characterized in that institute
State driving control system, Hydrauservo System, displacement sensor, close switch, hot inspection, encoder, HMI industry controls picture and PLC
It is connected with switch board by industrial network between controller.
4. a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear according to claim 3, which is characterized in that institute
The power control system of frequency converter driving control system, Hydrauservo System hot continuous rolling Coil Box and flying shear in order to control is stated, it is described
Displacement sensor is arranged close to switch, heat inspection, encoder before and after hot continuous rolling Coil Box and each process of flying shear.
5. a kind of electric-control system applied to hot continuous rolling Coil Box and flying shear according to claim 4, which is characterized in that institute
Stating speed master control system, to include that Coil Box curling is main enable speed control system and Coil Box uncoiling is main enables speed control system；
The tracking system end to end coordinates heat inspection signal to realize by the communication of roughing and the umber of pulse of Coil Box gearing encoder
To taking the lead the accurate tracking of magnetic tape trailer, and it is embodied on HMI industry control pictures；
The flying shear cutting system optimization is using the pulse value of heat inspection and encoder to being carried out by the magnetic tape trailer position of taking the lead of flying shear
Precisely tracking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357546.0A CN108393356A (en) | 2018-04-20 | 2018-04-20 | A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357546.0A CN108393356A (en) | 2018-04-20 | 2018-04-20 | A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108393356A true CN108393356A (en) | 2018-08-14 |
Family
ID=63099328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357546.0A Withdrawn CN108393356A (en) | 2018-04-20 | 2018-04-20 | A kind of electric-control system applied to hot continuous rolling Coil Box and flying shear |
Country Status (1)
| Country | Link |
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| CN (1) | CN108393356A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153182A (en) * | 2019-07-03 | 2019-08-23 | 攀钢集团攀枝花钢钒有限公司 | Coil Box and shearing strip steel head method for hot continuous rolling shearing strip steel head |
| CN110976517A (en) * | 2019-11-29 | 2020-04-10 | 山西太钢不锈钢股份有限公司 | Automatic control method for hot continuous rolling strip steel rolling line tracking |
| CN114558897A (en) * | 2022-02-28 | 2022-05-31 | 首钢京唐钢铁联合有限责任公司 | Fixed-width machine rhythm control method |
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| US6014882A (en) * | 1995-02-14 | 2000-01-18 | Sundwiger Eisenhutte Maschinenfabrik Gmbh | Process and device for rolling out the ends of a coiled strip in a reversing rolling mill |
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| CN104942002A (en) * | 2015-07-01 | 2015-09-30 | 东北大学 | Hot rolled strip intermediate billet head cutting control method |
| CN206500438U (en) * | 2017-03-07 | 2017-09-19 | 华北理工大学 | A kind of hot rolled steel plate production system |
| CN107433287A (en) * | 2016-05-26 | 2017-12-05 | 宝山钢铁股份有限公司 | A kind of hot-rolling flying shears shear the dynamic control method of original position end to end |
| CN207057275U (en) * | 2017-08-01 | 2018-03-02 | 黄石山力兴冶薄板有限公司 | A kind of strip for being used for five Stands Cold Tandem Mill groups winds off volume induction system |
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| US6014882A (en) * | 1995-02-14 | 2000-01-18 | Sundwiger Eisenhutte Maschinenfabrik Gmbh | Process and device for rolling out the ends of a coiled strip in a reversing rolling mill |
| JPH10263613A (en) * | 1997-03-19 | 1998-10-06 | Ishikawajima Harima Heavy Ind Co Ltd | Rolling method with reversing cold mill and rolling controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110153182A (en) * | 2019-07-03 | 2019-08-23 | 攀钢集团攀枝花钢钒有限公司 | Coil Box and shearing strip steel head method for hot continuous rolling shearing strip steel head |
| CN110976517A (en) * | 2019-11-29 | 2020-04-10 | 山西太钢不锈钢股份有限公司 | Automatic control method for hot continuous rolling strip steel rolling line tracking |
| CN110976517B (en) * | 2019-11-29 | 2021-02-19 | 山西太钢不锈钢股份有限公司 | Automatic control method for hot continuous rolling strip steel rolling line tracking |
| CN114558897A (en) * | 2022-02-28 | 2022-05-31 | 首钢京唐钢铁联合有限责任公司 | Fixed-width machine rhythm control method |
| CN114558897B (en) * | 2022-02-28 | 2024-03-19 | 首钢京唐钢铁联合有限责任公司 | Rhythm control method of width-fixing machine |
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Application publication date: 20180814 |