CN106694572B - On-line rolling technique adjustment system and method based on roll wear detection - Google Patents
On-line rolling technique adjustment system and method based on roll wear detection Download PDFInfo
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- CN106694572B CN106694572B CN201710115341.7A CN201710115341A CN106694572B CN 106694572 B CN106694572 B CN 106694572B CN 201710115341 A CN201710115341 A CN 201710115341A CN 106694572 B CN106694572 B CN 106694572B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/12—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll camber
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- 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
- B21B37/46—Roll speed or drive motor control
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- 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
- B21B37/58—Roll-force control; Roll-gap control
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Abstract
The present invention discloses a kind of on-line rolling technique adjustment system and method based on roll wear detection, there is the defect worn and do not considered online mainly for roll in production line of bar and design, including detection module, message processing module, first display module, optimization module and adjustment module；Detection module is for detecting roller diameter, and the roller diameter information that will test is exported to message processing module；Message processing module is for receiving the roller diameter information that detection module detects, roller diameter information is compared with preset several roller diameter sections, comparison result is exported to the first display module or exports the running parameter of roll to optimization module according to comparison result；Optimization module is used to receive the running parameter of roll, optimizes processing to the running parameter of roll and obtains the final running parameter of roll, and the final running parameter of roll is exported and gives adjustment module；Adjustment module is adjusted roll running parameter for receiving the final running parameter of roll.
Description
Technical field
The present invention relates to during bar production roughing, in roll, pre- finish rolling, finish rolling technical field, more particularly to it is a kind of
On-line rolling technique adjustment system and method based on roll wear detection.
Background technique
For the bar mainly as capital construction purposes, quality requirement is typically implemented in two o'clock, first is that finished product cross section is several
What scale topography (such as tolerance), second is that finished product mechanical performance index (such as yield strength, tensile strength).To reach this two o'clock,
Steel-making, continuous casting, after equal thermal process has determined steel grades, blank original geometric form, start rolling temperature, as bar production process
The middle rolling process for changing workpiece measurement pattern and heterogeneous microstructure, technique plays the role of particularly important, directly determines
Finished size and grain size.With at present bar and the long material field of other hot rollings (other such as wire rods, profile), in production
For most crucial technology-cooling controlling and rolling controlling process, the roughing on production line of bar, in roll, pre- finish rolling, mm finishing mill unit on the one hand
By imposing suitable gap values between rollers, reaches and give the suitable macro-size variable quantity of rolled piece and microcosmic percentage pass reduction, another party
Face reaches and gives rolled piece and keep suitable macro operation speed and microcosmic rate of deformation, finally by reasonable roll rotational speed
The workpiece measurement and temperature for ensuring to be sent into reducing-sizing mill are met the requirements.
In traditional rod material production technology, it is necessary to have heating furnace (or induction heater) equipment, to ensure that continuous casting steel billet has
Higher start rolling temperature reaches 1150 DEG C or so, requirement and billet rolling process metallurgy recently as energy-conserving and emission-cutting technology
Research has some producers and enterprise's production line can reach and saves equal thermal process without using heating equipment, and directly to high temperature
Continuous casting billet carries out roughing, generally requires start rolling temperature at 950 DEG C or more at this time, but so that rolled piece is in high temperature in phase region in a word
Austenite phase field, to complete to deform.In bar production after roughing mills, intermediate mill and pre-finishing mill group, can be from
With reduction ratio, mill speed is macroscopical rolling mill practice angle of characterization, influences strain when rolled piece micro-plastic deformation, judgement of speed change
Rate and deformation temperature, and then make to start based on dislocation, interaction, the heterogeneous microstructure of movement develops, and reaches refinement high temperature
The purpose of austenite structure.During the rolling process, roll not only has under big stress condition with high temperature rolled piece each milling train section equipment
Repeated action, also cooled system is continuing to supply shower water cooling, and the Long Time Thermal force coupling action of the two is used in long-term accumulation
Afterwards, gradually roller surface can be caused to be worn, and makes roller surface uneven or even roller diameter that significant changes occur,
Influence of rolled technique influences product geometric dimension as shown in Figure 1, eventually leading to predetermined rolling mill practice is unable to get correct implementation,
And capability and performance.On rolling unit in rolling line scheme arrangement arranges, roughing, in roll, the quantity of pre- finish rolling, finish rolling is successively general
For 4+6+4+4.
For the rolled piece obtained by aforementioned milling train unit, then several passages of finished product can be carried out by last reducing-sizing mill
Rolling mill practice, realizes rolled piece temperature by size Control and water-cooled cooling and controls, and gradually guarantees that rolled piece temperature is whole by Ovshinsky
Body phase region, to return to the two-phase section temperature of the ferritic plus austenitic of low temperature, most by based on forming core and the phase transition process grown up
The phase region of ferrite and pearlite composition is changed to eventually.In actual production, since rolled products are different in kind and specification, make to roll
Process section processed has a marked difference, but in the rolling line arrangement of versatility, can be rolled in end or pre-finishing mill group after be furnished with cooling
Water tank+air-cooled recover section, quantity is generally at 1~3 group, when furthermore finished product goes out reducing-sizing mill, 2~4 groups of water coolings of arrangement+air-cooled
Section controls phase transformation.
Currently, the replacement of bar line-rolling topping roll is generally empirically, steel transportation amount is taken to calculate, or with current roll state
Under the product produced it is not up to standard when, just stop production and carry out dimension of roller inspection, vehicle is fixed again, is equipped with rolling line maintenance, and base
Calculate new rolling procedure table again in new dimension of roller, however roll is during starting state to failure state, due to mill
Roll diameter change caused by damage is varied workpiece measurement, temperature, heterogeneous microstructure, and it reduce finished product dimensionings
Very little and capability and performance stability.
To improve the stability of rod product pattern and mechanical property from more precise rolling control technological angle, it should will
The roller consumption abrasion occurred during work roll cooling, bring roll reduction, the technique changes such as roll rotational speed are introduced into reality
In production, so that the practical distortion condition in rolled piece can be always held at fluctuation within a narrow range, reach bar controlled rolling and control
Requirement when freezing but.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of base that can adjust roll running parameter according to the roll wear detected
In the on-line rolling technique adjustment method and system of roll wear detection.
In order to achieve the above objectives, the present invention is based on the on-line rolling technique adjustment systems of roll wear detection, including detection
Module, message processing module, the first display screen, rolling Technology Optimization module and parameter adjustment module；
The roller diameter information that the detection module is used to detect roller diameter, and will test, which exports, gives information processing mould
Block；
The message processing module for receiving the roller diameter information that detection module detects, by roller diameter information with
Preset several roller diameter sections are compared, and the running parameter for exporting roll according to comparison result gives rolling Technology Optimization mould
Block shows comparison result by the first display screen；
The rolling Technology Optimization module is used to receive the running parameter of roll, optimizes place to the running parameter of roll
Reason obtains the final running parameter of roll, and the final running parameter of roll is exported to parameter adjustment module；
The parameter adjustment module is adjusted the revolving speed and roll gap of roll for receiving the final running parameter of roll.
Further, the message processing module include a comparison module, the comparison module be used for by roller diameter with
The rolling mill practice table in preset roller diameter section is compared, if roller diameter in preset interval range, exports correspondence and rolls
Roller running parameter gives rolling Technology Optimization module；If roller diameter in preset interval range, comparison result is not passed through
First display screen is shown.
Further, the rolling Technology Optimization module include Comparative sub-module and optimization submodule,
The Comparative sub-module is used to receive the roll running parameter and current roller parameter of message processing module output
Difference be compared with preset burst error, if difference in burst error, does not adjust the running parameter of roll,
Workpiece measurement caused by error and rolled piece deformation data are exported as the input information of lower a time simultaneously and give information processing mould
Block；If difference not in burst error, exports comparison result and gives optimization submodule；
The optimization submodule is used to receive the comparison result of Comparative sub-module, recalculates and is rolled according to comparison result
The final running parameter of roller exports the final running parameter of roll to parameter adjustment module.
Further, the system also includes second display screen, the second display screen and the optimization submodules to communicate
Connection, the final running parameter of roll exported for display optimization submodule.
In order to achieve the above objectives, the present invention is based on the on-line rolling process of operation of rolling roll wear detection, rolls
On detection module for detecting roller diameter is installed, the detection module and a message processing module communicate to connect, special
Sign is that the method includes the following steps:
Step 1: using the diameter of roll in detection module detection milling train group, and the roller diameter letter that will test
Breath output is to message processing module；
Step 2:；Receive the roller diameter information using the message processing module, and with preset roller diameter area
Between be compared, according to comparison result export the running parameter of roll to rolling Technology Optimization module or by comparison result export to
First display module prompts roll change；
Step 3: receiving the running parameter of the roll using the rolling Technology Optimization module, the work of roll is joined
Number optimizes processing and obtains the final running parameter of roll, and the final running parameter of roll is exported to parameter adjustment module；
Step 4: the final running parameter of roll is received using the parameter adjustment module, to the revolving speed and roller of roll
Seam is adjusted.
Further, the step 2 specifically includes, using the comparison module in the information processing by roller diameter with
Preset roller diameter section is compared, if roller diameter in preset interval range, exports corresponding roll work ginseng
Number gives rolling Technology Optimization module；If roller diameter passes through the first display not in preset interval range, by comparison result
Screen is shown.
Further, the specific method that the step 3 optimizes processing to the running parameter of roll is,
Roll running parameter and current roll will be received using the Comparative sub-module in the rolling Technology Optimization module
The difference of parameter is compared with preset burst error, if difference in burst error, is not made the running parameter of roll
Adjustment, while exporting using workpiece measurement caused by error and rolled piece deformation data as the input information of lower a time at information
Manage module；If difference not in burst error, exports comparison result and gives optimization submodule；
It is used to receive the comparison result of Comparative sub-module using the optimization submodule, is recalculated according to comparison result
To the final running parameter of roll, the final running parameter of roll is exported to parameter adjustment module.
Further, further include using the optimization submodule after the final running parameter of roll being calculated, will roll
The final running parameter of roller is exported to second display screen, is carried out display to the final running parameter of roll using second display screen and is shown.
The present invention can understand roller diameter information by the detection to roller diameter in time, can be right when roll failure
Roll is timely replaced, and is reduced the disqualification rate of bar production, has been saved resource, by roll running parameter and
When adjustment, it can be achieved that the intermediate product product obtained for the stick line section bar operation of rolling provides to wear based on operation of rolling roller consumption causes
Rolling mill practice variation so that roll gap and roll rotational speed are adjusted, so that the product of supply subsequent processing is in dimensioning
Very little and temperature is guaranteed, and final product quality stability is obviously improved.
Detailed description of the invention
Fig. 1 is after roll wear diameter change of the present invention to the influence schematic diagram of rolling mill practice (revolving speed and roll gap).
Fig. 2 is system block diagram of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings of the specification.
Embodiment one
As shown in Fig. 2, the present invention is based on the on-line rolling technique adjustment system of roll wear detection, including detection module,
Message processing module, the first display screen, rolling Technology Optimization module and parameter adjustment module；
The roller diameter information that the detection module is used to detect roller diameter, and will test, which exports, gives information processing mould
Block；
The message processing module for receiving the roller diameter information that detection module detects, by roller diameter information with
Preset several roller diameter sections are compared, and the running parameter for exporting roll according to comparison result gives rolling Technology Optimization mould
Block shows comparison result by the first display screen；
The rolling Technology Optimization module is used to receive the running parameter of roll, optimizes place to the running parameter of roll
Reason obtains the final running parameter of roll, and the final running parameter of roll is exported to parameter adjustment module；
The parameter adjustment module is adjusted the revolving speed and roll gap of roll for receiving the final running parameter of roll.
Embodiment two
As the further improvement of embodiment one, the message processing module includes a comparison module, the comparison module
For roller diameter to be compared with the rolling mill practice table in preset roller diameter section, if roller diameter is in preset interval range
It is interior, then it exports corresponding roll running parameter and gives rolling Technology Optimization module；If roller diameter not in preset interval range,
Comparison result is shown by the first display screen.
Embodiment three
As the further improvement of embodiment one, the rolling Technology Optimization module includes Comparative sub-module and optimization submodule
Block；
The Comparative sub-module is used to receive the roll running parameter and current roller parameter of message processing module output
Difference be compared with preset burst error, if difference in burst error, does not adjust the running parameter of roll,
Workpiece measurement caused by error and rolled piece deformation data are exported as the input information of lower a time simultaneously and give information processing mould
Block；If difference not in burst error, exports comparison result and gives optimization submodule；
The optimization submodule is used to receive the comparison result of Comparative sub-module, recalculates and is rolled according to comparison result
The final running parameter of roller exports the final running parameter of roll to parameter adjustment module.
Example IV
As the further improvement of embodiment one, the system also includes second display screen, the second display screen and institute
State optimization submodule communication connection, for display optimization submodule output the final running parameter of roll and show.
Embodiment five
A kind of on-line rolling technique adjustment method based on roll wear detection of the present invention, is equipped with for detecting on roll
The detection module of roller diameter, the detection module and a message processing module communicate to connect, and the method includes the following steps:
Step 1: using the diameter of roll in detection module detection milling train group, and the roller diameter letter that will test
Breath output is to message processing module；
Step 2:；Receive the roller diameter information using the message processing module, and with preset roller diameter area
Between be compared, according to comparison result export the running parameter of roll to rolling Technology Optimization module or by comparison result export to
First display module prompts roll change；
Step 3: receiving the running parameter of the roll using the rolling Technology Optimization module, the work of roll is joined
Number optimizes processing and obtains the final running parameter of roll, and the final running parameter of roll is exported to parameter adjustment module；
Step 4: the final running parameter of roll is received using the parameter adjustment module, to the revolving speed and roller of roll
Seam is adjusted.
Embodiment six
As the further improvement for implementing five, the step 2 is specifically included,
Roller diameter is compared with preset roller diameter section using the comparison module in the information processing, if
Roller diameter then exports corresponding roll running parameter and gives rolling Technology Optimization module in preset interval range；If roll is straight
Diameter is then shown comparison result by the first display screen not in preset interval range.
Embodiment seven
As the further scheme of embodiment five, the step 3 optimizes the specific of processing to the running parameter of roll
Method is,
Roll running parameter and current roll will be received using the Comparative sub-module in the rolling Technology Optimization module
The difference of parameter is compared with preset burst error, if difference in burst error, is not made the running parameter of roll
Adjustment, while exporting using workpiece measurement caused by error and rolled piece deformation data as the input information of lower a time at information
Manage module；If difference not in burst error, exports comparison result and gives optimization submodule；
It is used to receive the comparison result of Comparative sub-module using the optimization submodule, is recalculated according to comparison result
To the final running parameter of roll, the final running parameter of roll is exported to parameter adjustment module.
Embodiment eight
It further include final in the roll being calculated using the optimization submodule as the further scheme of embodiment five
After running parameter, the final running parameter of roll is exported to second display screen, is finally worked roll ginseng using second display screen
Number carries out display and shows.
Roll working diameter of the present invention abrasion variation as shown in Figure 1, bar roughing, in roll, pre- finish rolling, mm finishing mill unit equipment
After longtime running, based on the rolling technological parameter of initial roller diameter D1 design, roll rotational speed n1 and roll gap G1, since roller consumes
Abrasion, and after so that roller diameter is become D2, at this point, roll rotational speed is still n1, because roll gap becomes larger, increase to G2, rolled piece pressure
Amount and rate of deformation it is all inadequate, this do not only result in insufficient reduction in pass will build up give subsequent rolling unit completion, examine
Consider subsequent rolled piece and carry out low-temperature deformation, whole rolling line power consumption is caused to increase, while material structure is developed with heredity, this is
Final product quality performance guarantee based on controlled rolling and controlled cooling increases difficulty.The invention proposes consume abrasion detection based on operation of rolling roller
On-line rolling technique adjustment system, online roller diameter detection device is increased, for the on-line rolling technological parameter tune based on roller diameter
Section lays the foundation, and is additionally arranged the preset rolling mill practice table based on roller diameter, and it includes the corresponding techniques of all effective roller diameters
Parameter (including roll rotational speed, gap values between rollers), eliminates and calculates the time again, then in rolling Technology Optimization module, according to obtaining
Roller diameter information first determine current roller diameter whether also in effective model in conjunction with the correspondence range parametric values in preset table
In enclosing, further determine that the theoretical rolling technological parameter under the conditions of new roller diameter differs journey between current mill data
New roll running parameter is transferred to the second display device if exceeding preset range by degree, and simultaneously through newly-increased roll
Running parameter adjusts the variation that system realizes technique amount, if difference degree is within an acceptable range, the road Ze Jiuduizhe milling train rolls
Process processed does not adjust (or being only by a small margin), and the workpiece measurement amplification quantity and deformation temperature that result from is insufficient, as
Input information passes to down the message processing module of one of milling train.
The present invention can understand roller diameter information by the detection to roller diameter in time, can be right when roll failure
Roll is timely replaced, and is reduced the disqualification rate of bar production, has been saved resource, by roll running parameter and
When adjustment, it can be achieved that the intermediate product product obtained for the stick line section bar operation of rolling provides to wear based on operation of rolling roller consumption causes
Rolling mill practice variation so that roll gap and roll rotational speed are adjusted, so that the product of supply subsequent processing is in dimensioning
Very little and temperature is guaranteed, and final product quality stability is obviously improved.
More than, only presently preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with sheet
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover
Within protection scope of the present invention.Therefore, the scope of protection of the present invention shall be subject to the scope of protection defined by the claims.
Claims (2)
1. a kind of on-line rolling technique adjustment system based on roll wear detection, which is characterized in that including detection module, information
Processing module, the first display screen, rolling Technology Optimization module and parameter adjustment module；
The detection module is for detecting roller diameter, and the roller diameter information that will test is exported to message processing module；
The message processing module by roller diameter information and is preset for receiving the roller diameter information that detection module detects
Several roller diameter sections be compared, according to comparison result export the running parameter of roll to rolling Technology Optimization module or
Comparison result is shown by the first display screen；
The rolling Technology Optimization module is used to receive the running parameter of roll, optimizes and handles to the running parameter of roll
To the final running parameter of roll, the final running parameter of roll is exported to parameter adjustment module；
The parameter adjustment module is adjusted the revolving speed and roll gap of roll for receiving the final running parameter of roll；It is described
Message processing module includes a comparison module, and the comparison module is used for the rolling work of roller diameter and preset roller diameter section
Skill table is compared, if in preset interval range, to export corresponding roll running parameter excellent to rolling mill practice for roller diameter
Change module；If roller diameter is shown not in preset interval range, by comparison result by the first display screen；It is described
Rolling Technology Optimization module include Comparative sub-module and optimization submodule,
The Comparative sub-module is used to receive the roll running parameter of message processing module output and the difference of current roller parameter
Value is compared with preset burst error, if difference in burst error, does not adjust the running parameter of roll, simultaneously
It exports using workpiece measurement caused by error and rolled piece deformation data as the input information of lower a time to message processing module；If
Difference then exports comparison result and gives optimization submodule not in burst error；
The optimization submodule is used to receive the comparison result of Comparative sub-module, recalculates to obtain roll most according to comparison result
Whole running parameter exports the final running parameter of roll to parameter adjustment module；
It further include second display screen, the second display screen and the optimization submodule communication connection are used for display optimization submodule
The final running parameter of roll of block output.
2. a kind of on-line rolling technique adjustment method based on roll wear detection, is equipped with for detecting roller diameter on roll
Detection module, the detection module and a message processing module communicate to connect, which is characterized in that the method includes following steps
It is rapid:
Step 1: using the diameter of roll in detection module detection milling train group, and the roller diameter information that will test is defeated
Out to message processing module；
Step 2:；Receive the roller diameter information using the message processing module, and with preset roller diameter section into
Row compares, and the running parameter for exporting roll according to comparison result is exported to rolling Technology Optimization module or by comparison result to first
Display module prompts roll change；
Step 3: receive the running parameter of the roll using the rolling Technology Optimization module, to the running parameter of roll into
Row optimization processing obtains the final running parameter of roll, and the final running parameter of roll is exported to parameter adjustment module；
Step 4: receive the final running parameter of roll using the parameter adjustment module, the revolving speed and roll gap to roll into
Row adjustment；The step 2 specifically includes,
Roller diameter is compared with preset roller diameter section using the comparison module in the information processing, if roll
Diameter then exports corresponding roll running parameter and gives rolling Technology Optimization module in preset interval range；If roller diameter is not
In preset interval range, then comparison result is shown by the first display screen；Work of the step 3 to roll
The specific method that parameter optimizes processing is,
Roll running parameter and current roller parameter will be received using the Comparative sub-module in the rolling Technology Optimization module
Difference be compared with preset burst error, if difference in burst error, does not adjust the running parameter of roll,
Workpiece measurement caused by error and rolled piece deformation data are exported as the input information of lower a time simultaneously and give information processing mould
Block；If difference not in burst error, exports comparison result and gives optimization submodule；
It is used to receive the comparison result of Comparative sub-module using the optimization submodule, recalculates and rolled according to comparison result
The final running parameter of roller exports the final running parameter of roll to parameter adjustment module；It further include utilizing the optimization submodule
After the final running parameter of roll being calculated, the final running parameter of roll is exported to second display screen, it is aobvious using second
Display screen carries out display to the final running parameter of roll and shows.
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| CN201710115341.7A CN106694572B (en) | 2017-02-28 | 2017-02-28 | On-line rolling technique adjustment system and method based on roll wear detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109550796B (en) * | 2019-01-17 | 2023-04-07 | 中铝瑞闽股份有限公司 | Online roller shape detection device and method thereof |
| CN112547841A (en) * | 2019-09-25 | 2021-03-26 | 宝山钢铁股份有限公司 | Speed control method and device for working roll of pre-straightening machine |
| CN112157126A (en) * | 2020-09-01 | 2021-01-01 | 山东钢铁集团日照有限公司 | Control method for reducing abrasion of roller way |
| CN113561344B (en) * | 2021-09-27 | 2021-12-28 | 深圳市匠心智汇科技有限公司 | Blade rotating speed control method and device, terminal equipment and storage medium |
| TWI794052B (en) * | 2022-03-14 | 2023-02-21 | 中國鋼鐵股份有限公司 | Abrasion evaluation method for grooves of grooved roller |
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