CN105798249A - Ex-situ billet cutting control method and system - Google Patents
Ex-situ billet cutting control method and system Download PDFInfo
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- CN105798249A CN105798249A CN201610164093.0A CN201610164093A CN105798249A CN 105798249 A CN105798249 A CN 105798249A CN 201610164093 A CN201610164093 A CN 201610164093A CN 105798249 A CN105798249 A CN 105798249A
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- fire
- machine
- cut
- cutting
- steel billet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/163—Controlling or regulating processes or operations for cutting cast stock
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Abstract
The invention discloses an ex-situ billet cutting control method for cutting a billet. The method comprises the steps of: presetting the cutting length of a steel plate as L2; performing camera shooting and sizing operation to obtain the length L of the billet on a roller way in the shooting range; calculating the advancement quantity L1 of a fire cutter, L1=L-L2, sending a command of detecting the advancement L1 of the fire cutter to a laser distance measurer, and receiving the command by the laser distance measurer; judging if the fire cutter is in the preset position, and starting the fire cutter to advance if the fire cutter is in the preset position; detecting the advancement distance of the fire cutter, and sending an in-place signal by the laser distance measurer when the advancement distance of the fire cutter is detected to be L1; controlling stop of the advancement of the fire cutter, and performing the cutting operation by the fire cutter; and starting the fire cutter to return to the preset position when the cutting is finished. The ex-situ billet cutting control method and system, provided by the invention, realize precise cutting of short-sized billets.
Description
Technical field
The present invention relates to steel billet cutting technique field, more specifically, relate to a kind of steel billet ex situ cut-sytle pollination method
And system.
Background technology
In steelmaking technical field, bloom production is gone out by conticaster, and in follow-up production, fire is cut machine and steel billet is cut into need
The length wanted.Steel billet length after cutting be according to the demand of client depending on, in order to meet the requirement of client, cut at steel billet
When cutting, it is ensured that Cutting Length accurately it is critical that.At present, client is varied to the length requirement of steel billet,
The split requirement that fire is so cut machine is more and more higher.
Existing fire is cut machine and is realized Length-fixing cutting by shooting scale.But, shooting scale is applicable to scale more than 7 meters more
The cutting of steel billet, in time needing to carry out scale less than or equal to the cutting of 7 meters of steel billets, Cutting Length tends not to reach
To scale requirement, for reaching the demand of client, need to carry out artificial repairing, easily cause the increase of waste material.So, make
The production cost becoming steel billet increases, and is unfavorable for the operation of bloom production factory.
Visible, it is achieved the accurate cutting of short scale steel billet, is those skilled in the art's problem demanding prompt solutions.
Summary of the invention
It is an object of the invention to provide a kind of steel billet ex situ cut-sytle pollination method and system, to realize the essence of short scale steel billet
Definitely cut.
In order to solve above-mentioned technical problem, the present invention provides following technical scheme:
A kind of steel billet ex situ cut-sytle pollination method that the present invention provides, for the cutting of steel billet, described method includes:
The Cutting Length presetting steel plate is L2；
Shooting scale, obtains steel billet length L in image pickup scope on roller-way；
Calculate fire and cut advance amount L of machine1, L1=L-L2, send detection fire and cut machine advance L1Order in laser range finder, described
Laser range finder receives described order；
Judge that whether described fire cuts machine at predeterminated position, if described fire cuts machine at predeterminated position, then start described fire and cut machine and move ahead；
Described laser range finder detects described fire and cuts the distance that moves ahead of machine, when described laser range finder detects that described fire is cut machine and moved ahead
Distance is L1Time, described laser range finder sends the signal that puts in place；
Controlling described fire to cut machine and move ahead stopping, described fire is cut machine and is performed cutting operation；
When the cut is completed, start described fire and cut machine return predeterminated position.
Preferably, in above-mentioned steel billet ex situ cut-sytle pollination method, also including, cutting the travel distance of machine when described fire is L1
Time, shooting scale obtains steel billet length L in image pickup scope on described roller-way3, calculate
WhenTime, start described fire and cut machine and continue to move aheadDistance；
WhenTime, start described fire and cut machine continuation retrogressingDistance.
The steel billet ex situ cut-sytle pollination method that the present invention provides, by shooting scale, determines in image pickup scope steel on roller-way
Length L that base is pulled out by steel-drawing machine, determines that the Cutting Length of the steel plate of demand is L2, machine of being cut by fire is arranged on default position,
According to L1=L-L2, calculate fire and cut the advance amount of machine, then the steel plate on roller-way is cut into required L2Length.Pass through laser
The distance that moves ahead of machine cut by diastimeter detection fire, and detection fire cuts the position of machine, the control of auxiliary steel billet Cutting Length in real time.So,
The steel billet ex situ cut-sytle pollination method that the present invention provides, is no longer the cutting steel plate of fixed point, but according to roller-way upper steel plate
Length and position carry out selecting cutting position, carry out the cutting of steel plate, are effectively improved the cutting accuracy of steel plate, the completeest
Become the cutting that cannot complete short scale steel plate in prior art.
The steel billet ex situ cut-sytle pollination method provided based on the present invention, present invention also offers a kind of steel billet ex situ cutting
Control system, described system mainly includes image capture module, is used for receiving photographed images, and on roller-way, steel billet is being taken the photograph
The measurement of length L in the range of Xiang；
Data processing module, for setting the Cutting Length L of steel plate2, store L, calculate fire and cut advance amount L of machine1；
Machine control module cut by fire, is used for controlling described fire and cuts machine；
Signal transmitting module, cuts the control command of machine, laser range finder for sending fire；
Signal receiving module, for receiving the detection signal of described laser range finder.
Preferably, in above-mentioned steel billet ex situ cutting control system, also include that length revises module, it is judged that the cutting of steel billet
Position is the need of being adjusted, and when the cutting position of steel billet needs to be adjusted when, adjusts the cutting position of steel billet.
The steel billet ex situ cutting control system that the present invention provides, the cutting for steel plate provides support, and it is short fixed more to contribute to
The cutting of chi steel plate, and improve the precision of steel plate cutting.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, required use in embodiment being described below
Accompanying drawing be briefly described, it should be apparent that, for those of ordinary skills, do not paying creative labor
On the premise of dynamic property, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the steel billet ex situ cut-sytle pollination method that the embodiment of the present invention provides；
Fig. 2 is the basic structure schematic diagram of the steel billet ex situ cutting control system that the embodiment of the present invention provides.
Detailed description of the invention
Embodiment of the present invention steel billet ex situ cut-sytle pollination method and system, are effectively increased the cutting essence of short scale steel plate
Degree.
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and the present invention is made to implement
The above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present invention
Scheme is described in further detail.
With reference to accompanying drawing 1, the figure shows the basic step of the steel billet ex situ cut-sytle pollination method that the embodiment of the present invention provides,
Specifically include that
S101: the Cutting Length presetting steel plate is L2。
Carry out the setting of steel plate Cutting Length as required, be configured before cutting commences, be denoted as L2。
S102: shooting scale, obtains steel billet length L in image pickup scope on roller-way.
By the shooting scale system of conticaster, the base head of steel plate is tracked, determines the steel on roller-way in image pickup scope
The length of base, is denoted as L.
S103: calculate fire and cut advance amount L of machine1, L1=L-L2, send detection fire and cut machine advance L1Order in laser range finder,
Described laser range finder receives described order.
According to L1=L-L2Calculate fire and cut advance amount L of machine1, fire is cut the advance amount i.e. fire of machine and is cut machine and run to cutting from position, original place
The length that position is to be walked.Detection fire is cut machine advance L1Order in laser range finder, laser range finder receives described detection
Order, carries out fire and cuts the detection of machine forward travel distance.
S104: judge that whether described fire cuts machine at predeterminated position, if described fire cuts machine at predeterminated position, then starts described fire and cuts
Machine moves ahead.
Carry out laser range finder fire is cut machine detect when, it is judged that fire cuts whether machine is in predeterminated position, when machine cut by fire
Predetermined position when, control fire is cut machine and is moved ahead；If fire cuts machine when be not on predetermined position, by fire
The machine of cutting is adjusted to predetermined position, then carries out follow-up operation.Described predeterminated position is the initial point that machine cut by the fire arranged voluntarily.
S105: described laser range finder detects described fire and cuts the distance that moves ahead of machine, when described laser range finder detects that described fire is cut
Machine moves ahead distance for L1Time, described laser range finder sends the signal that puts in place.
Cutting during machine advances at fire, fire is cut the machine distance that moves ahead and is detected by laser range finder, when laser range finder is examined
Measure fire to cut the machine distance that moves ahead and reach L1Time, laser range finder sends the signal that puts in place.
S106: controlling described fire and cut machine and move ahead stopping, described fire is cut machine and performed cutting operation.
Sending put in place signal when receiving laser range finder, control fire and cut machine and stop moving ahead, then manipulation fire is cut machine and is carried out steel plate and cut
Cut, until completing steel plate cutting.
S107: when the cut is completed, starts described fire and cuts machine return predeterminated position.
After the cutting completing steel plate, manipulation fire is cut machine and is returned predeterminated position.
The steel billet ex situ cut-sytle pollination method that the present invention provides, by shooting scale, determines in image pickup scope steel on roller-way
Length L that base is pulled out by steel-drawing machine, determines that the Cutting Length of the steel plate of demand is L2, machine of being cut by fire is arranged on default position,
According to L1=L-L2, calculate fire and cut the advance amount of machine, then the steel plate on roller-way is cut into required L2Length.Pass through laser
The distance that moves ahead of machine cut by diastimeter detection fire, and detection fire cuts the position of machine, the control of auxiliary steel billet Cutting Length in real time.So,
The steel billet ex situ cut-sytle pollination method that the present invention provides, is no longer the cutting steel plate of fixed point, but according to roller-way upper steel plate
Length and position carry out selecting cutting position, carry out the cutting of steel plate, are effectively improved the cutting accuracy of steel plate, the completeest
Become the cutting that cannot complete short scale steel plate in prior art.The embodiment of the present invention is by shooting scale and laser range finder
The mode combined realizes the cutting of short scale, meets the split requirement of short scale, and can improve scale degree of accuracy, and rises
To the purpose saving production cost.
Laser range finder uses the principle of phase bit comparison to cut the measurement of machine ex situ position for fire.Laser sensor can be sent out
Penetrate the visible laser bundle of different frequency, then receive the scattering laser returned from measured object.Laser device by the signal that receives with
Reference signal value compares, the most again with microprocessor calculate between the object corresponding to corresponding phase offset actual away from
From, measuring accuracy can reach 1mm.
For further optimisation technique scheme, the steel billet ex situ cut-sytle pollination method that the embodiment of the present invention provides, also include working as
The travel distance of machine cut by described fire is L1Time, shooting scale obtains steel billet length L in image pickup scope on described roller-way3, calculateWhenTime, start described fire and cut machine and continue to move aheadDistance；WhenTime, start described fire and cut
Machine continues to retreatDistance.
In the embodiment of the present invention, steel billet often has of a relatively high temperature after being drawn out from conticaster, in the mistake of cutting
Cheng Zhong, temperature reduces, and plate size shrinks.Simultaneously for avoiding shooting scale mistake to occur, through above-mentioned steps, to steel
Plate Cutting Length is calibrated, it is ensured that it is accurate that steel plate cuts that length cuts.
For convenience of the enforcement of the steel billet ex situ cut-sytle pollination method that the embodiment of the present invention provides, the embodiment of the present invention also provides for
A kind of steel billet ex situ cutting control system, as shown in Figure 2, including:
Data processing module 21, for setting the Cutting Length L of steel plate2, store L, calculate fire and cut the front L as far as possible of machine1。
Machine control module 22 cut by fire, is used for controlling described fire and cuts machine.
Signal transmitting module 23, cuts the control command of machine, laser range finder for sending fire.
Signal receiving module 24, for receiving the detection signal of described laser range finder.
It is length L of interior steel billet that data processing module 21 receives and store image pickup scope on the roller-way that shooting scale records, if
Determine the Cutting Length L of steel plate2, try one's best before cutting machine according to fire L1=L-L2Calculate L1Value, and the result that calculates is sent extremely
Machine control module 22 cut by fire, and fire is cut machine control module 22 and sent a command to by signal transmitting module 23 according to the order received
Machine cut by fire, controls fire and cuts machine and run, and detection fire is cut machine and moved ahead L by synchronous signal sending module 231Order send to laser ranging
Instrument, laser range finder detection fire cuts the forward travel distance of machine, when detecting that fire is cut the forward travel distance of machine and reached L1Time, laser range finder
The transmission signal that puts in place is in signal receiving module 24, and signal receiving module 24 receives the detection signal of described laser range finder, so
After send commands to fire and cut machine control module 22, fire is cut machine control module 22 and is carried out fire and cut control that machine stops moving ahead and cut
Cutting the transmission of order, control fire is cut machine and is performed operation.
Can select on the steel billet ex situ cutting control system software that the embodiment of the present invention provides to use Siemens Company WINCC
6.0 software；PLC controls software and uses Siemens Company special programming software SIMATIC Manager；Shooting scale software uses
Infrared contactless shooting scale carries out scalling-off detecting；LDMS uses C++ to write.Programming software uses and is easily understood
Ladder diagram mode work out, control program have employed popular modularity/structured programming method, greatly strengthen program
Motility, readability, practicality and maintainability.Can select on hardware to use Siemens S7-300 PLC hardware components, west
MENZI Frequency Converter Control part, scale camera part, man-machine interaction and laser range finder part.Laser range finder is mainly by passing
Sensor, rustless steel dust cover, mounting bracket, cable four part form.Use visible laser bundle, be easy to align with measured object, its
Measurement scope is up to 20m.Sensor uses air-cooled and two kinds of types of cooling of water-cooled, equipment running voltage 10～30V.
Short scale is to combine fire to cut the actual walking position of machine, plan scale and surveyed base head position calculation out.Survey as position
Amount equipment, uses RS422 interface to carry out data transmission between shooting scale main frame and laser range finder, signal transmitting range is long,
The features such as capacity of resisting disturbance is strong, and data transmission is fast, it is ensured that data syn-chronization.
Optimisation technique scheme further, the steel billet ex situ cutting control system that the embodiment of the present invention provides also includes that size is repaiied
Order module, it is judged that the cutting position of steel billet the need of being adjusted, when steel billet cutting position need be adjusted time
Wait, adjust the cutting position of steel billet.
Laser range finder automatically calculates fire and cuts the actual (tube) length angle value of machine walking, sets up OPC server in systems.Utilize mould
Analog quantity exports (4～20mA) interface and RS422 interface transmits data to control system, for realizing the event finding in real time to occur
Barrier, cuts fire analog quantity (the 4～20mA) signal that machine PLC receives and sends shooting scale system the most again to,
Again with RS422 communication data compare, shooting scale HMI on show related data, ensure that fire is cut
The stability of machine diced system.
Machine movable motor cut by fire is to be controlled by SIEMENS S7-200, the displacement fire to be passed to that laser range finder is measured
In cutting system.Fire is cut machine system and is used EPA to carry out data exchange with shooting scale host communication.Owing to shooting is fixed
Ruler system by the fire that RS422 obtains cut machine position data pass to PLC system again time, data have relatively long sluggish time
Between, cause fire can not accurately arrive steps target position when cutting machine walking, then can affect cutting accuracy.
For ensureing that cutting car accurately arrives target location, use and the analog output (4～20mA) of laser range finder is believed
Number being directly accessed fire cuts in machine PLC system, and perfect control program.After retesting, fire is cut machine and can be arrived accurately
Target location, it is ensured that Length-fixing cutting degree of accuracy.
Each embodiment in this specification all uses the mode gone forward one by one to describe, identical similar part between each embodiment
Seeing mutually, what each embodiment stressed is the difference with other embodiments.
Invention described above embodiment, is not intended that limiting the scope of the present invention.Any the present invention's
Amendment, equivalent and the improvement etc. made within spirit and principle, should be included within the scope of the present invention.
Claims (4)
1. a steel billet ex situ cut-sytle pollination method, for the cutting of steel billet, it is characterised in that described method includes:
The Cutting Length presetting steel plate is L2；
Shooting scale, obtains steel billet length L in image pickup scope on roller-way；
Calculate fire and cut advance amount L of machine1, L1=L-L2, send detection fire and cut machine advance L1Order in laser range finder, described
Laser range finder receives described order；
Judge that described fire cuts whether machine is in predeterminated position, if described fire is cut machine and is in predeterminated position, then start described fire and cut machine
Move ahead；
Described laser range finder detects described fire and cuts the distance that moves ahead of machine, when described laser range finder detects that described fire is cut machine and moved ahead
Distance is L1Time, described laser range finder sends the signal that puts in place；
Controlling described fire to cut machine and move ahead stopping, described fire is cut machine and is performed cutting operation；
When the cut is completed, start described fire and cut machine return predeterminated position.
Steel billet ex situ cut-sytle pollination method the most according to claim 1, it is characterised in that described method is also wrapped
Include:
Cutting the travel distance of machine when described fire is L1Time, shooting scale obtains steel billet length in image pickup scope on described roller-way
L3, calculate
WhenTime, start described fire and cut machine and continue to move aheadDistance；
WhenTime, start described fire and cut machine continuation retrogressingDistance.
3. a steel billet ex situ cutting control system, it is characterised in that described system includes:
Image capture module, is used for receiving photographed images, steel billet measurement of length L in image pickup scope on roller-way；
Data processing module, for setting the Cutting Length L of steel plate2, store L, calculate fire and cut advance amount L of machine1；
Machine control module cut by fire, is used for controlling described fire and cuts machine；
Signal transmitting module, cuts the control command of machine, laser range finder for sending fire；
Signal receiving module, for receiving the detection signal of described laser range finder.
Steel billet ex situ cutting control system the most according to claim 3, it is characterised in that described system is also wrapped
Include:
Length revision module, it is judged that the cutting position of steel billet the need of being adjusted, when the cutting position of steel billet need into
The when of Row sum-equal matrix, adjust the cutting position of steel billet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610164093.0A CN105798249A (en) | 2016-03-22 | 2016-03-22 | Ex-situ billet cutting control method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610164093.0A CN105798249A (en) | 2016-03-22 | 2016-03-22 | Ex-situ billet cutting control method and system |
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| CN201610164093.0A Pending CN105798249A (en) | 2016-03-22 | 2016-03-22 | Ex-situ billet cutting control method and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493324A (en) * | 2016-11-23 | 2017-03-15 | 山信软件股份有限公司 | A kind of cutting method of generous strand and device |
| CN109175286A (en) * | 2018-09-03 | 2019-01-11 | 中冶连铸技术工程有限责任公司 | A kind of continuous casting fixed-length compensation method and device based on cutting machine playback separate-blas estimation |
| CN109740596A (en) * | 2018-12-28 | 2019-05-10 | 中冶京诚工程技术有限公司 | Intelligent video identification system and method for steel plate head cutting positioning |
| CN110756749A (en) * | 2019-10-31 | 2020-02-07 | 联峰钢铁（张家港）有限公司 | Billet length measuring method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493324A (en) * | 2016-11-23 | 2017-03-15 | 山信软件股份有限公司 | A kind of cutting method of generous strand and device |
| CN109175286A (en) * | 2018-09-03 | 2019-01-11 | 中冶连铸技术工程有限责任公司 | A kind of continuous casting fixed-length compensation method and device based on cutting machine playback separate-blas estimation |
| CN109740596A (en) * | 2018-12-28 | 2019-05-10 | 中冶京诚工程技术有限公司 | Intelligent video identification system and method for steel plate head cutting positioning |
| CN110756749A (en) * | 2019-10-31 | 2020-02-07 | 联峰钢铁（张家港）有限公司 | Billet length measuring method |
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Effective date of registration: 20170113 Address after: 250101 Shandong city of Ji'nan province high tech Zone Shun Road No. 2000 Shun Tai Plaza No. 4 Applicant after: Software Limited by Share Ltd Address before: 271104 Shandong Province, Laiwu City Gangcheng District Front Street No. 99 Applicant before: Shandong Iron & Steel Group Co., Ltd. |
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Application publication date: 20160727 |