CN108015124A - A kind of band steel plate surface Residual oil detection and blowing method - Google Patents
A kind of band steel plate surface Residual oil detection and blowing method Download PDFInfo
- Publication number
- CN108015124A CN108015124A CN201610930651.XA CN201610930651A CN108015124A CN 108015124 A CN108015124 A CN 108015124A CN 201610930651 A CN201610930651 A CN 201610930651A CN 108015124 A CN108015124 A CN 108015124A
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- residual oil
- strip
- purging
- spray beam
- high speed
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- 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
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
- B21B45/0278—Cleaning devices removing liquids
- B21B45/0284—Cleaning devices removing liquids removing lubricants
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a kind of band steel plate surface Residual oil detection and blowing method.Including milling train end rack, strip, high speed line-scan CCD camera, purging spray beam and control unit, direction of the high speed line-scan CCD camera along the strip width, it is arranged on above the strip of milling train end rack outlet, the purging spray beam is arranged at the rack outlet of the milling train end, the purging spray beam is arranged on before the high speed line-scan CCD camera, pass through a kind of band steel plate surface Residual oil detection of the present invention and blowing method, the Residual oil situation of strip plate face can effectively be quantified, high-precision identification oil mark, the defects of hickie, pass through the increase of local purging pressure again, it is rapid to eliminate defect.
Description
Technical field
The present invention relates to a kind of belt steel surface Residual oil control technology, more particularly to a kind of band steel plate surface Residual oil detection and purging
Method.
Background technology
At present, cold mill complex need to use emulsion as technological lubrication medium in production, to reduce deformation heat and improve
Plate shape.Under normal conditions, emulsion is to be directly injected to roll gap by nozzle, and oil film is formed between roll and rolled piece.With
Roll runs at high speed, and substantial portion of emulsion can spill and remain in belt steel surface, forms oil mark defect.In order to eliminate or
The generation of oil mark is reduced, in existing technology, frame sets blow device at milling train end, using the compressed air of big flow to strip
Plate face is purged, and remaining emulsion is removed.According to the difference of Purge methods, air-blade type purging can be divided into and nozzle-type is blown
Sweep.However, both blowing methods all difficulties reach gratifying effect, because：
Air-blade type purging is there are many drawbacks, such as：The air-flow of blowout is uneven, and striated or the block oil of point are formed in plate face
Spot；Compressed air consumption is very big, higher to equipment requirements such as air compressor machines；Although possessing powerful impact force, noise water
It is flat excessive, seriously affect the health of site operation personnel；Air knife product using electric energy as power generally requires often to safeguard again, and
And service life it is short the problems such as.
Nozzle-type purging is arranged in parallel some nozzles on purging crossbeam, due to existing cold rolling mill plant width compared with
Greatly, whole plate face, the purging of big intensity generally to be realized all in more than 1200mm, it is non-to the flow and pressure requirements of compressed air
Chang Gao.Generally in order to strengthen purging scope, can be realized by increasing nozzle quantity.But nozzle quantity is once added, is purged
Pressure and flow can reduce again, be difficult to find suitable equalization point therebetween.Meanwhile the pressure distribution of nozzle purging excessively divides
Dissipate, the serious emulsification liquid residual of localized region is difficult that purging is clean, also results in the generation of oil mark defect.
In the prior art, purged for band steel plate surface, use air knife or continuity purge nozzle substantially, purged using air knife
Effect is better than nozzle purging, but there are the problem of difficult in maintenance, noise is big, compressed air consumption is big；And blown using nozzle
Sweep, then exist and purge the problems such as uneven, purging intensity and precision is inadequate.Utilize some known modifieds purging, scraping fluid group
Mechanism is closed, then needs to implement technological transformation, cost input is higher in advance.
For the problems of in the prior art, there is provided a kind of band steel plate surface Residual oil detection and blowing method have important
Meaning.
The content of the invention
To solve the above problems, the present invention provides a kind of band steel plate surface Residual oil detection and blowing method.
To achieve the above object, a kind of band steel plate surface Residual oil detection of the invention and blowing method, are scanned using high-speed line
CCD camera carries out data acquisition to strip, belt steel surface is purged using purging spray beam, the high speed linear CCD
Video camera is arranged on above the strip of milling train end rack outlet, and the purging spray beam is arranged at the rack outlet of the milling train end,
The purging spray beam is arranged on before the high speed line-scan CCD camera, the described method comprises the following steps：Step 1, band
Steel enters milling train end rack, and the purging spray beam purges the strip；Step 2, the high speed linear CCD
Video camera shoots the strip by purging；Step 3, the high speed line-scan CCD camera is by the photo of shooting
Control unit is transferred to, the photo is compared described control unit with the internal data built-in function of described control unit,
Obtain the strip when the Residual oil distribution situation of front face；Step 4, described control unit is according to the Residual oil distribution situation
Control the purging spray beam increase or maintain the purging to spray the compressed air require on beam；
Further, n frame high speed line-scan CCD cameras are provided with above the strip of milling train end rack outlet,
N sections of purging spray beams are disposed with the rack outlet of the milling train end, each section of purging spray beam corresponds to the high-speed line scanning
CCD camera, wherein n >=2；
Further, lighting source is further included, the lighting source is arranged on the top of the strip, the lighting source
Belt steel surface can be irradiated, forms light belt, the shooting for the high speed line-scan CCD camera provides light；
Further, strip speed is detected using speed measuring device, the speed measuring device is arranged on milling train end machine
Frame exports the lower section of strip, and the speed of service of the strip can be fed back to described control unit by the speed measuring device；
Further, described control unit can reconcile the high speed linear CCD according to the speed of service of the strip
The filming frequency of video camera；
Further, the internal data built-in function of described control unit is specially the data summarization obtained from sample,
Then using statistical method making on plate face Residual oil and the scatter diagram of gray value, and the corresponding linear letter being calculated
Number；
Further, in the step 3, the strip can specifically be divided into sternly when the Residual oil distribution situation of front face
Heavy, medium and slight three grades, the strip when the Residual oil distribution situation of front face can specifically be divided into it is serious, medium and
Slight three grades, described control unit is according to the compressed air stream on the Residual oil distribution situation adjustment purging spray beam
Amount, if the obtained Residual oil distribution situation is slight, controls the purging spray beam to the compression on the purging spray beam
Air mass flow remains unchanged；If the obtained Residual oil distribution situation is medium, the purging spray beam is controlled suitably to increase
Compressed air require on the purging spray beam；If the obtained Residual oil distribution situation is serious, the purging is controlled
Spray the compressed air require on the beam increase purging spray beam.
By a kind of band steel plate surface Residual oil detection of the present invention and blowing method, it can effectively quantify strip plate face
Residual oil situation, the defects of high-precision identification oil mark, hickie, then the increase by local purging pressure, eliminate defect rapidly.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention with the detection of steel plate surface Residual oil and blow device；
Fig. 2 is the flow chart of the present invention with the detection of steel plate surface Residual oil and blowing method；
Fig. 3 is internal database function step flow chart of the present invention.
Embodiment
In the following, it is further described with reference to attached drawing, structure and operation principle to the present invention etc..
As depicted in figs. 1 and 2, Fig. 1 be the present invention with steel plate surface Residual oil detection and blow device structure diagram, Fig. 2
For the flow chart of the present invention with the detection of steel plate surface Residual oil and blowing method, including high speed line-scan CCD camera 5, purging
Beam 3 and control unit 1, direction of the high speed line-scan CCD camera 5 along 2 width of strip are sprayed, is arranged on milling train end
The top of strip 2 of rack outlet, the purging spray beam 3 are arranged at the rack outlet of the milling train end, and the purging spray beam 3 is set
Before the high speed line-scan CCD camera 5, the high speed line-scan CCD camera 5 can be n platforms, at milling train end
N sections of purging spray beams 3 can be arranged at rack outlet, each section of purging spray beam 3 corresponds to a high speed line-scan CCD camera 5, its
Middle n >=2；
Normally, high brightness line style lighting source 4 is further included, the high brightness line style lighting source 4 is arranged on the band
The top of steel 2, the high brightness line style lighting source 4 can irradiate 2 surface of strip, form the high-luminance light of a special angle
Band, the shooting for the high speed line-scan CCD camera 5 provide light；
Speed measuring device 6 is further included, the speed measuring device 6 is arranged on the lower section of milling train end rack outlet strip 2, described to test the speed
The speed of service of the strip 2 can be fed back to described control unit by device 6.Described control unit 1 can be according to the band
The speed of service of steel 2 adjusts the filming frequency of the high speed line-scan CCD camera 5.In the preferred embodiment of the invention, institute
40/S can be initially set to by stating the filming frequency of high speed line-scan CCD camera 5.
2 plate face Residual oil of the strip detection and blowing method comprise the following steps：
Step 1 S1, strip enter milling train end rack, and the purging spray beam purges the strip；It is excellent in the present invention
In the embodiment of choosing, the purging spray beam is arranged as 4 sections, and every section of spray beam possesses independent compressed-air supply system, Yi Jike
Realize the control valve of aperture regulation.The control valve is connected with control unit 1, the opening and closing signal of the control valve
Sent by control unit 1, the adjusting of valve opening can be carried out with the instruction of foundation described control unit 1, so as to increase or reduce
Compressed air require on purging spray beam.
Step 2 S2, the high speed line-scan CCD camera 5 shoot the strip 2 by purging；In this hair
In bright preferred embodiment, the purging spray beam is arranged as 4 sections, therefore every section is corresponding with corresponding high speed linear CCD and takes the photograph
Camera 5, the high speed line-scan CCD camera 5 are 4, the top of rack outlet strip 2 are uniformly arranged in, by described
The arrangement of high speed line-scan CCD camera 5, the strip 2 is evenly dividing as 4 regions in the width direction；The high brightness
Line style lighting source irradiates belt steel surface, forms the high-luminance light band of a special angle, and the speed measuring device 6 is arranged on described
The lower section of milling train end rack outlet strip 2, and the speed of service of the strip 2 detected is fed back into described control unit 1,
Described control unit 1 controls 4 high speed line-scan CCD cameras shooting strip according to obtained strip speed
Image, the coverage of the high speed line-scan CCD camera 5 are more than 20cm × 20cm, and by the figure of the strip 2 of shooting
As being transferred to described control unit 1.
Step 3 S3, the internal data built-in function of described control unit 1 is specially the data summarization obtained from sample,
Then using statistical method making on plate face Residual oil and the scatter diagram of gray value, and the corresponding linear letter being calculated
Number；
Step 4 S4, described control unit 1 is according to the Residual oil distribution situation control purging spray beam increase or maintains
Compressed air require on the purging spray beam；
In the preferred embodiment of the invention, described control unit 1 is by terminating machine 7, server 8 and memory module 9 three
It is grouped into, the terminating machine 7 can be computer, and the operating system of the computer can use windows, ios, linux
Deng the server 8 is similar with general computer architecture；The server 8 is used to need when handling the inventive method operation
Data to be processed, in the step 3 S3, control unit 1 is by the photo and the internal database letter of described control unit 1
The work that number is compared can usually be completed in server 8；The memory module 9 is used for the inside of storage control unit 1
Database functions.
As shown in figure 3, Fig. 3 is internal database function step flow chart of the present invention, in currently preferred implementation
In example, specific obtain of the internal data built-in function includes step in detailed below：
Step 1 S31, samples strip, and the standard jig that certain size is cut into plate shearing machine is stand-by.Preferably, it is described
Size of sample is 20cm × 20cm；
Step 2 S32, the sampling strip is put into the rack of the milling train end, the high speed line-scan CCD camera
Model upper surface is shot, and by the described image photographed storage in a control unit；
Step 3 S33, the oil content of tested model upper surface is cleaned into container, filtered with filter paper with petroleum ether, heating
Treat that petroleum ether volatilization postcooling to the greatest extent is weighed to room temperature, then to container, calculate the unit oil content of model upper surface；
Step 4 S34, plate face is measured to the image recognition software of the image captured by the high speed line-scan CCD camera
Gray scale, and record gray value, described image identification software can be photo shop etc.；
Step 5 S35, by above-mentioned steps one, Step 2: Step 3: step described in step 4, obtains strip upper table
The correspondence of face remnants oils and its plate face gray value；
Step 6 S36, takes 200 groups of sampling strips, measures its plate face according to above-mentioned steps one to the step of step 4 respectively
Remaining oil and gray value；
Step 7 S37, by the obtained all plate face remnants oils of above-mentioned 200 groups of sampling strips and gray value data
Collect, the scatter diagram of plate face Residual oil and gray value is made using statistical method, and calculate its corresponding linear function, this is linear
It is stand-by in function deposit control unit.
Step 8 S38, according to the oil content of plate face remnants, is divided into " serious ", " medium ", " slight " three by plate face Residual oil degree
A grade, the resid amount deposit control unit corresponding to above-mentioned grade interval is stand-by.
Using it is of the present invention be a kind of band steel plate surface Residual oil detection and blowing method, can effectively quantify band steel plate
The defects of Residual oil situation in face, high-precision identification oil mark, hickie, then the increase by local purging pressure, eliminate rapidly
Defect.The method of the present invention can：The defects of accurately identifying the oil mark with steel plate surface, hickie, and continuing on with system, lead to
Self study is crossed, the accuracy of identification of system can be higher and higher；For band steel plate surface emulsion residue cause the defects of, can first when
Between eliminated, avoid defect batch produce；Controlled using the purging of segmented, can more easily realize respective regions
Purging pressure enhancing；The specific aim of purging greatly improves, and will not produce the situation of the invalid purging of compressed air；Reduce whole plate face
Produce the probability of the oil mark defect with steel plate surface；Using the method for the present invention, can accomplish to blow for the concentration of oil mark generation position
Sweep, ensure that the purging intensity of whole system.
More than, it is only schematic description of the invention, it will be recognized by those skilled in the art that in the work without departing from the present invention
On the basis of making principle, a variety of improvement can be made to the present invention, this belongs to protection scope of the present invention.
Claims (7)
1. a kind of band steel plate surface Residual oil detection and blowing method, it is characterised in that using high speed line-scan CCD camera to strip
Data acquisition is carried out, belt steel surface is purged using purging spray beam, the high speed line-scan CCD camera is arranged on milling train
Above the strip of last rack outlet, the purging spray beam is arranged at the rack outlet of the milling train end, and the purging spray beam is set
Before the high speed line-scan CCD camera,
It the described method comprises the following steps：
Step 1, strip enter milling train end rack, and the purging spray beam purges the strip；
Step 2, the high speed line-scan CCD camera shoot the strip by purging；
The photo of shooting is transferred to control unit by step 3, the high speed line-scan CCD camera, and described control unit is by institute
Photo is stated to be compared with the internal data built-in function of described control unit, obtain the strip when front face Residual oil be distributed
Situation；
Step 4, described control unit is according to the Residual oil distribution situation control purging spray beam increase or maintains the purging
Spray the compressed air require on beam.
2. a kind of band steel plate surface Residual oil detection as claimed in claim 1 and blowing method, it is characterised in that at milling train end
N frame high speed line-scan CCD cameras are provided with above the strip of rack outlet, n is disposed with the rack outlet of the milling train end
Section purging spray beam, each section of purging spray beam correspond to a high speed line-scan CCD camera, wherein n >=2.
3. a kind of band steel plate surface Residual oil detection as claimed in claim 1 and blowing method, it is characterised in that further include illumination light
Source, the lighting source are arranged on the top of the strip, and the lighting source can irradiate belt steel surface, form light belt, be
The shooting of the high speed line-scan CCD camera provides light.
4. a kind of band steel plate surface Residual oil detection as claimed in claim 1 and blowing method, it is characterised in that utilize speed measuring device
Strip speed is detected, the speed measuring device is arranged on the lower section of the milling train end rack outlet strip, the speed measuring device
The speed of service of the strip can be fed back to described control unit.
5. a kind of band steel plate surface Residual oil detection as claimed in claim 4 and blowing method, it is characterised in that described control unit
The filming frequency of the high speed line-scan CCD camera can be reconciled according to the speed of service of the strip.
6. a kind of band steel plate surface Residual oil detection as claimed in claim 1 and blowing method, it is characterised in that described control unit
Internal data built-in function be specially using sample obtained from data summarization, then using statistical method making on plate face
The scatter diagram of Residual oil and gray value, and the corresponding linear function being calculated.
7. a kind of band steel plate surface Residual oil detection as claimed in claim 1 and blowing method, it is characterised in that the step 3
In, the strip can specifically be divided into serious, medium and slight three grades, the control when the Residual oil distribution situation of front face
Unit processed is according to the compressed air require on the Residual oil distribution situation adjustment purging spray beam, if the obtained Residual oil point
When cloth situation is slight, then the purging spray beam is controlled to remain unchanged the compressed air require on the purging spray beam；If
When the Residual oil distribution situation arrived is medium, then the purging spray beam is controlled suitably to increase the compression sky on the purging spray beam
Throughput；If the obtained Residual oil distribution situation is serious, the purging spray beam increase purging is controlled to spray on beam
Compressed air require.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930651.XA CN108015124B (en) | 2016-10-31 | 2016-10-31 | A kind of detection of band steel plate surface Residual oil and blowing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930651.XA CN108015124B (en) | 2016-10-31 | 2016-10-31 | A kind of detection of band steel plate surface Residual oil and blowing method |
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| CN108015124A true CN108015124A (en) | 2018-05-11 |
| CN108015124B CN108015124B (en) | 2019-06-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570544A (en) * | 2020-05-07 | 2020-08-25 | 山西太钢不锈钢股份有限公司 | Method for solving surface dominant white spot defect of PTG316 cold plate for tank |
| CN111992589A (en) * | 2019-05-27 | 2020-11-27 | 宝山钢铁股份有限公司 | BMD production line speed control method based on strip steel surface brightness detection |
| CN113620026A (en) * | 2021-07-29 | 2021-11-09 | 中冶赛迪工程技术股份有限公司 | Cleaning device applied to return belt surface of belt conveyor |
| CN115591953A (en) * | 2021-07-09 | 2023-01-13 | 宝山钢铁股份有限公司（Cn） | Purging device and purging method for light source of visual inspection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992589A (en) * | 2019-05-27 | 2020-11-27 | 宝山钢铁股份有限公司 | BMD production line speed control method based on strip steel surface brightness detection |
| CN111570544A (en) * | 2020-05-07 | 2020-08-25 | 山西太钢不锈钢股份有限公司 | Method for solving surface dominant white spot defect of PTG316 cold plate for tank |
| CN111570544B (en) * | 2020-05-07 | 2022-02-25 | 山西太钢不锈钢股份有限公司 | Method for solving surface dominant white spot defect of PTG316 cold plate for tank |
| CN115591953A (en) * | 2021-07-09 | 2023-01-13 | 宝山钢铁股份有限公司（Cn） | Purging device and purging method for light source of visual inspection system |
| CN113620026A (en) * | 2021-07-29 | 2021-11-09 | 中冶赛迪工程技术股份有限公司 | Cleaning device applied to return belt surface of belt conveyor |
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| Publication number | Publication date |
|---|---|
| CN108015124B (en) | 2019-06-25 |
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