CN106583462B - A kind of planisher Strip Shape Control device and method - Google Patents
A kind of planisher Strip Shape Control device and method Download PDFInfo
- Publication number
- CN106583462B CN106583462B CN201610967337.9A CN201610967337A CN106583462B CN 106583462 B CN106583462 B CN 106583462B CN 201610967337 A CN201610967337 A CN 201610967337A CN 106583462 B CN106583462 B CN 106583462B
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- China
- Prior art keywords
- roll
- strip
- leveling precision
- working roll
- control device
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Classifications
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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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending
-
- 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
Abstract
The invention provides a kind of planisher Strip Shape Control device, including a pair the upper working rolls and lower working rolls using roll line as the plane of symmetry, and lower support roll on a pair, strip passes through between upper working rolls and lower working rolls, spray beam is provided with front of working roll and for locating camera before lower work roller gap, spray beam is arranged in the top of strip, and spray beam is provided with nozzle, and video camera is connected to adjust the controlling organization of working roll roll-force and bending roller force.The planisher Strip Shape Control apparatus structure is simple, using leveling precision injection and control system leveling precision is uniformly distributed on the belt steel surface before working roll, the match condition for roller gap and the incoming band steel plate shape of being worked by accumulation condition detection of the leveling precision at working roll entrance roll gap, when leveling precision is distributed, and anomalous variation occurs, leveling precision distribution is set to reach target range by adjusting the rolling parameters such as bending roller force, roll-force adjustment work roller gap, so as to adjust belt plate shape.
Description
Technical field
The invention belongs to cold rolling of strip steel planarizing technique field, and in particular to a kind of planisher Strip Shape Control device and method,
Applied to strip wet jetting piles unit.
Background technology
Strip is needed by smooth processing after cold rolling, annealing, to improve plate shape, surface quality, mechanical performance.It is flat at present
Complete machine Automatic Flatness Control technology is to configure plate shape roller after milling train to detect belt plate shape, according to the plate shape detected
Defect adjust automatically rolling parameter, until the plate shape value detected is in range of set value.Hysteresis be present in this Strip Shape Control mode
Problem, plate shape roller and supporting control system are expensive, therefore most planishers do not configure plate shape roller, by the observation of operative employee
Strip Shape Control is carried out with operation, belt plate shape control is inaccurately.
The content of the invention
The purpose of the present invention is to overcome existing Strip Shape Control mode lag issues, and plate shape roller and supporting control to be present
The problem of system price costliness.
Planisher ensures that the good condition of plate shape is that work roll gap matches with incoming profile, when work roll gap and carrys out flitch
The flatness defect of product just occurs in shape when mismatching, work roll gap is adjusted mainly by roll-force, bending roller force.Work roll gap
Have a great impact with the match condition of incoming profile to accumulation distribution of the leveling precision before roll gap, when work roll gap is with coming
Exception can occur for leveling precision accumulation situation when flitch shape mismatches before roll gap, while flatness defect also occurs in strip.
Based on above-mentioned principle, the invention provides a kind of planisher Strip Shape Control device, including a pair using roll line as pair
The upper working rolls and lower working rolls in title face, and lower support roll on a pair, the strip pass through between upper working rolls and lower working rolls, the working roll
Front is provided with spray beam and for locating camera before lower work roller gap, the spray beam to be arranged in strip
Top, the spray beam is provided with nozzle, and the video camera is connected to adjust the control of working roll roll-force and bending roller force
Mechanism.
Further, slewing rollers and nip rolls, slewing rollers and the nip rolls difference are additionally provided with front of above-mentioned working roll
It is arranged on the top and bottom of strip.
Further, the upper surface of above-mentioned nip rolls is higher than the upper surface of lower work roller.
Further, above-mentioned spray beam is set perpendicular to strip moving direction.
Further, said nozzle is sector, and has multiple, and equidistantly distributed is in spray beam.
Further, pressure gauge and flowmeter are also associated with above-mentioned spray beam.
Further, above-mentioned controlling organization includes image capture module, image analysis module and the work being sequentially connected
Roller adjustment module.
In addition, present invention also offers the method using above-mentioned planisher Strip Shape Control device control plate shape, it is including as follows
Step：
1) leveling precision is uniformly injected on strip by nozzle, while strip is moved through lower work roller gap, band
Leveling precision on steel forms leveling precision accumulation in front of work roller gap.
2) the leveling precision accumulation at lower work roller gap is continuously imaged using video camera.
3) the actual leveling precision that video camera shooting is extracted by controlling organization accumulates distribution map, and is carried out with target profile
Compare, deviation is converted into bending roller force, roll-force tilt adjustment signal, and adjust bending roller force and the roll-force inclination of working roll
Value, until actual leveling precision accumulation distribution map is consistent with target profile.
Compared with prior art, beneficial effects of the present invention：
(1) this planisher Strip Shape Control apparatus structure provided by the invention is simple, without configuring plate shape roller to band steel plate
Shape is detected, and only need to adjust belt plate shape by the distribution situation of leveling precision on strip, in the absence of lag issues, and cost
It is low.
(2) this planisher board-shape control method provided by the invention utilizes accumulation situation of the leveling precision at entrance roll gap
Work roll gap and the match condition of incoming band steel plate shape are detected, is adjusted by adjusting the rolling parameters such as bending roller force, roll-force tilting value
Full employment roller gap makes leveling precision distribution reach target range, and so as to adjust belt plate shape, control method is simple, Strip Shape Control
Accurately.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of planisher Strip Shape Control device of the present invention.
Fig. 2 is the scheme of installation of spray beam in planisher Strip Shape Control device of the present invention.
Fig. 3 is the operation principle schematic diagram of controlling organization in planisher Strip Shape Control device of the present invention.
Fig. 4 is that leveling precision accumulation is distributed normal schematic diagram in the present invention.
Fig. 5 is the schematic diagram of leveling precision accumulation abnormal distribution in the present invention.
Description of reference numerals：1st, working roll；2nd, backing roll；3rd, spray beam；4th, video camera；5th, controlling organization；6th, leveling precision；
7th, leveling precision is accumulated；8th, slewing rollers；9th, strip；10th, nip rolls；11st, flowmeter；12nd, pressure gauge；13rd, nozzle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, a kind of planisher Strip Shape Control device is present embodiments provided, including a pair are symmetrical using roll line
The upper working rolls and lower working rolls 1 in face, and lower support roll 2 on a pair, the strip 9 pass through between upper working rolls and lower working rolls 1, the working roll
1 front is provided with spray beam 3 and for locating camera 4, the cloth of spray beam 3 before the roll gap of upper working rolls and lower working rolls 1
Put in the top of strip 9, the spray beam 3 is provided with nozzle 13, and the video camera 4 is connected to adjust the roll-force of working roll 1
With the controlling organization 5 of bending roller force, wherein video camera 4 is high-speed camera.
The embodiment of refinement, as shown in Fig. 2 the spray beam 3 is set perpendicular to the moving direction of strip 9, in spray beam 3
There is row's fan nozzle 13, nozzle 13 is multiple, and equidistantly distributed passes through the design and arrangement to nozzle 13 in spray beam 3
Leveling precision 6 is set uniformly to be injected on strip 9；And wherein leveling precision 6 is loaded in tank body, spray beam 3 passes through pump and tank body
Connection, leveling precision 6 is transported to spray beam 3 by pump from tank body, then is laid in the upper surface of strip 9 by the injection of nozzle 13, with
Strip 9 is moved ahead, and a certain amount of leveling precision accumulation 7 is formed in front of the roll gap of working roll 1.Preferably, in the spray beam 3 also
Pressure gauge 12 and flowmeter 11 are connected with, by the regulation of pressure gauge 12 and flowmeter 11, the emitted dose of leveling precision 6 can be caused
Change with the change of mill speed, effectively control leveling precision accumulating amount.
In addition, as shown in figure 3, the controlling organization 5 include be sequentially connected image capture module, image analysis module,
And working roll adjustment module；Image capture module is used for the actual distribution figure for the leveling precision accumulation 7 for extracting the shooting of video camera 4
Picture, the actual distribution picture signal of leveling precision accumulation 7 is then transferred to image analysis module, image analysis module is used for will
The actual distribution image of leveling precision accumulation 7 is analyzed compared with target distribution image, and analysis roll-force, bending roller force adjustment become
Gesture, and the deviation of the actual distribution image of leveling precision accumulation 7 and target distribution image is converted into bending roller force, roll-force inclination
Adjustment signal is transferred to working roll adjustment module, and working roll adjustment module is used for the roll-force and bending roller force for adjusting working roll 1, made
Leveling precision 7 rolling parameters of accumulation change before obtaining the roll gap of working roll 1, so as to cause the change of roll gap state, and then cause flat
Whole liquid accumulates 7 state changes, and video camera 4 carries out high-speed cameras to the distribution of leveling precision accumulation 7 again, so repeatedly said process,
Until the actual distribution image of leveling precision accumulation 7 is consistent with target distribution image.It is normal to be illustrated in figure 4 leveling precision accumulation distribution
Situation, the leveling precision accumulation 7 of the left and right sides of strip 9 is symmetrical, and now the roll gap of working roll 1 matches with incoming band steel plate shape；When
When the roll gap of working roll 1 mismatches with incoming band steel plate shape, the leveling precision before the roll gap of working roll 1, which accumulates 7 situations, can occur exception, such as
Shown in Fig. 5, now flatness defect occurs in strip 9.
Further, rocking for strip 9, the work are reduced in order to stablize strip steel at entry in the front of the working roll 1
The front of roller 1 is additionally provided with slewing rollers 8 and nip rolls 10, and the slewing rollers 8 and nip rolls 10 are separately positioned on the upper and lower of strip 9
Face.Preferably, the upper surface of the nip rolls 10 is higher than the upper surface of lower work roller 1, and nip rolls 10 is from strip lower surface pair
Strip 9 is supported, and strip 9 is in tensioning state in the front of working roll 1, strip is more stable before working roll 1.
The method that the present invention is controlled using above-mentioned planisher Strip Shape Control device to belt plate shape, detailed process is such as
Under：
1) leveling precision 6 is uniformly injected on strip 9 by nozzle 13, while strip 9 is moved through the roller of upper working rolls and lower working rolls 1
Stitch, the leveling precision 6 on strip 9 forms a certain amount of leveling precision accumulation 7 in front of the roll gap of working roll 1.
2) the leveling precision accumulation 7 at the roll gap of upper working rolls and lower working rolls 1 is continuously imaged using video camera 4.
3) the actual leveling precision that the shooting of video camera 4 is extracted by controlling organization 5 accumulates 7 distribution maps, and and target profile
It is compared, deviation is converted into bending roller force, roll-force tilt adjustment signal, and adjust bending roller force and the rolling of working roll 1
Power tilting value, until actual leveling precision accumulate 7 distribution maps, now working roll 1 roll gap and incoming band steel consistent with target profile
Plate shape matches, and the belt plate shape through this smooth processing is good.
In summary, this planisher Strip Shape Control apparatus structure provided by the invention is simple, using leveling precision injection and
Control system is uniformly distributed leveling precision on the belt steel surface before working roll, passes through heap of the leveling precision at working roll entrance roll gap
Product condition detection work roller gap and the match condition of incoming band steel plate shape, when leveling precision is distributed, and anomalous variation occurs, pass through
The rolling parameter adjustment work roller gap such as adjustment bending roller force, roll-force makes leveling precision distribution reach target range, so as to adjust
Belt plate shape.
It is exemplified as above be only to the present invention for example, do not form the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (8)
1. a kind of planisher Strip Shape Control device, including a pair the upper and lower working roll (1) using roll line as the plane of symmetry, Yi Jiyi
To upper and lower backing roll (2), strip (9) passes through between upper and lower working roll (1), it is characterised in that：The upper and lower working roll
(1) be provided with front of spray beam (3) and for before upper and lower working roll (1) roll gap locate camera (4), it is described
Spray beam (3) is arranged in the top of strip (9), and the spray beam (3) is provided with nozzle (13), and video camera (4) connection is used
In adjustment working roll roll-force and the controlling organization (5) of bending roller force.
2. planisher Strip Shape Control device as claimed in claim 1, it is characterised in that：In front of the upper and lower working roll (1) also
Slewing rollers (8) and nip rolls (10) are provided with, the slewing rollers (8) and nip rolls (10) are separately positioned on the upper and lower of strip (9)
Face.
3. planisher Strip Shape Control device as claimed in claim 2, it is characterised in that：The upper surface of the nip rolls (10) is high
In the upper surface of bottom working roll (1).
4. planisher Strip Shape Control device as claimed in claim 1, it is characterised in that：The spray beam (3) is perpendicular to strip
(9) moving direction is set.
5. planisher Strip Shape Control device as claimed in claim 4, it is characterised in that：The nozzle (13) is sector, and is had
Multiple, equidistantly distributed is in spray beam (3).
6. planisher Strip Shape Control device as claimed in claim 1, it is characterised in that：It is also associated with the spray beam (3)
Pressure gauge (12) and flowmeter (11).
7. planisher Strip Shape Control device as claimed in claim 1, it is characterised in that：The controlling organization (5) is included successively
Image capture module, image analysis module and the working roll adjustment module of connection.
8. a kind of method of planisher Strip Shape Control device control plate shape using as described in any one of claim 1~7, it is special
Sign is：Comprise the following steps：
1) leveling precision (6) is uniformly injected on strip (9) by nozzle (13), while strip (9) is moved through upper and lower work
Roller (1) roll gap, the leveling precision (6) on strip (9) form leveling precision accumulation (7) in front of upper and lower working roll (1) roll gap；
2) the leveling precision accumulation (7) at upper and lower working roll (1) roll gap is continuously imaged using video camera (4)；
3) the actual leveling precision that video camera (4) shooting is extracted by controlling organization (5) accumulates (7) distribution map, and and target distribution
Figure is compared, and deviation is converted into bending roller force, roll-force tilt adjustment signal, and adjust working roll (1) bending roller force and
Roll-force tilting value, until actual leveling precision accumulation distribution map is consistent with target profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967337.9A CN106583462B (en) | 2016-10-31 | 2016-10-31 | A kind of planisher Strip Shape Control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967337.9A CN106583462B (en) | 2016-10-31 | 2016-10-31 | A kind of planisher Strip Shape Control device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106583462A CN106583462A (en) | 2017-04-26 |
| CN106583462B true CN106583462B (en) | 2018-03-27 |
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| CN201610967337.9A Active CN106583462B (en) | 2016-10-31 | 2016-10-31 | A kind of planisher Strip Shape Control device and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108057721B (en) * | 2017-12-20 | 2019-06-07 | 中铝河南洛阳铝加工有限公司 | A kind of method for controlling shape when cold-rolling practice production aluminum alloy plate materials |
| CN113118214B (en) * | 2021-04-16 | 2023-03-24 | 上海五星铜业股份有限公司 | Rolling equipment and rolling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0724849B2 (en) * | 1986-01-20 | 1995-03-22 | 新日本製鐵株式会社 | Shape control method in strip rolling |
| JPS6384708A (en) * | 1986-09-29 | 1988-04-15 | Sumitomo Metal Ind Ltd | Flatness control method for rolled stock |
| JP2005538850A (en) * | 2002-09-18 | 2005-12-22 | アベスター、リミテッド、パートナーシップ | Process and apparatus for thinning alkali metal or alloy thereof |
| CN202070550U (en) * | 2011-03-21 | 2011-12-14 | 杭州五星铝业有限公司 | Aluminum foil mill with oil mist spray-nozzle device |
| CN103203375B (en) * | 2012-01-12 | 2016-04-27 | 宝山钢铁股份有限公司 | A kind of cold milling wet leveling machine purging system |
| CN205183350U (en) * | 2015-12-10 | 2016-04-27 | 攀钢集团西昌钢钒有限公司 | Levelling machine levels liquid and sweeps device |
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