CN103512503A - Apparatus and method for measuring width of steel coil of cold rolling production line - Google Patents
Apparatus and method for measuring width of steel coil of cold rolling production line Download PDFInfo
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- CN103512503A CN103512503A CN201210204240.4A CN201210204240A CN103512503A CN 103512503 A CN103512503 A CN 103512503A CN 201210204240 A CN201210204240 A CN 201210204240A CN 103512503 A CN103512503 A CN 103512503A
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Abstract
The invention provides an apparatus for measuring the width of a steel coil of a cold rolling production line and a method for measuring the width of the steel coil of the cold rolling production line. The apparatus is composed of a photoelectric switch transmitting end, a photoelectric switch receiving end, a displacement encoder and a programmable logic controller (PLC). The method comprises the following steps that: the encoder mounted on a steel coil car measures the displacement position of the steel coil car in a real-time manner; when the steel coil car passes a photoelectric switch, the front end of the steel coil shields the light beams of the photoelectric switch, and measurement starting signals are transmitted, and the programmable logic controller reads and records the position value of the steel coil car; when the steel coil leaves away from the photoelectric switch, measurement termination signals are transmitted, the programmable logic controller (PLC) reads and records the position value of the steel coil car at this moment; and the programmable logic controller (PLC) performs subtraction between the two position values so as to calculate the travel range of the steel coil car, namely, the width value of the steel coil. With the apparatus and the method for measuring the width of the steel coil of the cold rolling production line of the invention adopted, measurement can be performed in a steel coil transportation process, and therefore, detection time is not required, and production pace can be speeded up. The apparatus and the method are advantageous in structural simplicity, easiness in maintenance, less investment and high measuring accuracy.
Description
Technical field
The invention belongs to rolling equipment technical field, relate in particular to measurement mechanism and the measuring method of width of steel coil in a kind of rolling mill production line feeding process.
Background technology
Steel coil width measuring is a content indispensable in cold-rolling mill feeding process.Width of steel coil value is participated in the centering of coil of strip on cone head of decoiling machine directly and is controlled.Steel coil width measuring error is by the position deviation that causes coil of strip on uncoiling conehead, band steel disalignment can cause in the serious situation of sideslip, broken belt can occurring in belt steel rolling process, with steel disalignment, plate shape in the operation of rolling is controlled and is had certain negative effect simultaneously.Uncoiling feeding process steel coil width measuring precision General Requirements is controlled in 10mm.Uncoiler material loading frequent operation on rolling mill production line, this just requires the steel coil width measuring time short as far as possible, so that speed production rhythm.
In the measuring device for steel tape width of rolling mill production line application both at home and abroad, mainly contain scrambler and two kinds of measurement forms of ultrasound wave at present.Scrambler metering system, adopts clamping device to clamp measurement, in the mobile terminal of clamping device, scrambler is installed, and detects the position of clamping device mobile terminal.Measure front clamp device and open, during measurement, clamping device clamps coil of strip, and the position measurements when opening and clamping according to clamping device can calculate width of steel coil value.This metering system measuring accuracy is higher, and commercial Application is more extensive.But this mode Measuring Time is longer, restriction production efficiency improves, and surveys wide equipment mechanism complicated simultaneously, is inconvenient to safeguard, equipment investment is larger.Ultrasonic measurement mode (referring to " metallurgical equipment " 2008 No.05 " application of steel coil packaging line information measurement and tracking technique "), generally be applied to vertical steel coils width measure, in coil of strip both sides respectively mounting ultrasonic sensor survey sensor to coil of strip distance, by between two ultrasonic sensors between distance value and coil of strip and measuring sonde measured value can calculate width of steel coil value.This measurement mechanism mechanism is simple, easy to maintenance, applies also more extensive.But measurement mechanism needs two ultrasonic sensors, and equipment investment is larger.
Summary of the invention
The object of the invention is to overcome the existing problem of above-mentioned prior art, the device and method that a kind of cost is low, be convenient to safeguard, can quick and precisely measure width of steel coil on rolling mill production line is provided.
Concrete scheme of the present invention is as follows:
The measurement mechanism of rolling mill production line width of steel coil of the present invention is comprised of optoelectronic switch transmitting terminal, optoelectronic switch receiving end, coil of strip car displacement encoder and PLC controller, described optoelectronic switch transmitting terminal and receiving end are installed in respectively coil of strip car travel rail both sides, setting height(from bottom) is consistent, and the two place straight line is vertical with coil of strip car travel rail direction, coil of strip car displacement encoder is arranged on coil of strip car direction of travel transmission shaft, and PLC controller receives optoelectronic switch and the code device signal line width value of going forward side by side and calculates.
Optoelectronic switch transmitting terminal described in the measurement mechanism of rolling mill production line width of steel coil of the present invention comprises the base fixing with ground, be connected on base and can do Rotary cloumn that rotation adjusts, be positioned on and on Rotary cloumn, can carry out left and right and adjust and be equipped with the traversing carriage of optoelectronic switch and the dust cover at top; Described optoelectronic switch receiving end comprises the base fixing with ground, is connected on base and can does the Rotary cloumn that rotation is adjusted, be positioned on Rotary cloumn and can carry out the traversing carriage that grating was adjusted and be equipped with in left and right, and the dust cover at top; On Rotary cloumn cylinder on Rotary cloumn cylinder before transmitting terminal optoelectronic switch and before receiving end grating, all offer printing opacity gap, be used for controlling optoelectronic switch width of light beam, to obtain light pencil, the width in printing opacity gap is 1.0-2.0mm, gap is too wide will cause measuring error, the too narrow reliability that affects photoelectric switching signal in gap.Optoelectronic switch setting height(from bottom) of the present invention is within the scope of 300-600mm above coil of strip lower surface.
The present invention with measurement mechanism to the measuring method of rolling mill production line width of steel coil is: first adjust the traversing carriage of optoelectronic switch transmitting terminal and receiving end, make the light beam of optoelectronic switch and the printing opacity gap on each Self-stabilised post face of grating alignment, adjust again the Rotary cloumn of transmitting terminal and receiving end, make light beam irradiates that optoelectronic switch sends on receiving end grating, then carry out optoelectronic switch and scrambler multiple measurement: be arranged on scrambler on coil of strip car and measure in real time the coil of strip car position of dividing a word with a hyphen at the end of a line, when coil of strip car transports coil of strip material loading through optoelectronic switch, coil of strip front end covers optoelectronic switch light beam, optoelectronic switch sends measurement commencing signal, PLC controller reads and records now coil of strip truck position value, when coil of strip car transportation coil of strip leaves optoelectronic switch, optoelectronic switch sends measurement end signal, PLC controller reads and records now coil of strip truck position value, and coil of strip garage journey in twice positional value subtraction calculations gone out during this period of time, with coil of strip car stroke value in this period, represent width of steel coil value.
For avoiding photoelectric switching signal false triggering, be preferably in measuring process photoelectric switching signal is carried out to availability deciding.The present invention arranges effectual time by coil of strip truck position scope to photoelectric switching signal, and only in set period, sender is just effective.This position range is set to: (optoelectronic switch position-1/2* width of steel coil higher limit-50mm, optoelectronic switch position+1/2* width of steel coil higher limit+50mm).
The present invention utilizes being used for of installing on existing material loading coil of strip car to detect the divide a word with a hyphen at the end of a line scrambler of position of coil of strip car, is used in conjunction with optoelectronic switch, detection signal is accessed to PLC controller, and calculate width of steel coil value by PLC controller.The present invention can measure in steel coil transportation process, does not need detection time, has accelerated rhythm of production, and device structure is simple, is easy to safeguard small investment, measuring accuracy high (being less than 5mm).
Accompanying drawing explanation
Fig. 1 is the structural plan of measurement mechanism of the present invention.
The structural representation that Fig. 2-1 is photoemission end of the present invention.
The exploded view that Fig. 2-2 are photoemission end of the present invention.
The structural representation that Fig. 3-1 is photoelectricity receiving end of the present invention.
The exploded view that Fig. 3-2 are photoelectricity receiving end of the present invention.
Fig. 4 is steel coil width measuring schematic diagram of the present invention.
In figure, 1 is photoemission end, 2 is photoelectricity receiving end, 3 is scrambler, 4 is coil of strip car, 5 is coil of strip, 6 is track, 7 is PLC controller, 11 is transmitting terminal dust cover, 12 is transmitting terminal printing opacity gap, 13 is transmitting terminal Rotary cloumn, 14 is transmitting terminal base, 15 is transmitting terminal traversing carriage, 16 is optoelectronic switch, 21 is receiving end dust cover, 22 is receiving end printing opacity gap, 23 is receiving end Rotary cloumn, 24 is receiving end base, 25 is receiving end traversing carriage, 26 is grating, 30 close sender for optoelectronic switch, 31 is optoelectronic switch connection sender, 32 start for measuring, 33 finish for measuring, 34 start for measuring effectual time, 35 finish for measuring effectual time, 36 start coil of strip truck position for measuring, 37 finish coil of strip truck position for measuring, 38 when measuring effectual time and start coil of strip truck position, 39 when measuring effectual time and finish coil of strip truck position.
Embodiment
By embodiment, the invention will be further described with reference to the accompanying drawings.
Embodiment of the present invention measurement mechanism is arranged on the smooth unit of cold rolling 1500mm, unit raw material width range 1350-900mm, and it is example that embodiment be take the coil of strip of 1200mm width.
As seen from Figure 1, the measurement mechanism of rolling mill production line width of steel coil of the present invention is mainly comprised of optoelectronic switch transmitting terminal 1, optoelectronic switch receiving end 2, coil of strip car displacement encoder 3 and PLC controller 7.Optoelectronic switch transmitting terminal 1 and receiving end 2 are installed in respectively the both sides of coil of strip car travel rail 6, and setting height(from bottom) is consistent.The dust cover 11(at traversing carriage 15He top that described optoelectronic switch transmitting terminal 1 comprises the base fixing with ground 14, be connected to Rotary cloumn 13 on base, be positioned on Rotary cloumn and be equipped with optoelectronic switch 16 is referring to Fig. 2-1 and Fig. 2-2).Described optoelectronic switch receiving end comprises the base fixing with ground 24, is connected to the Rotary cloumn 23 on base, be positioned on Rotary cloumn and be equipped with the traversing carriage 25 of grating 26, and the dust cover 21(at top is referring to Fig. 3-1 and Fig. 3-2).On Rotary cloumn cylinder on Rotary cloumn cylinder before transmitting terminal optoelectronic switch 16 and before receiving end grating 26, all offer printing opacity gap 12 and 22, the width in printing opacity gap 12 is 1mm, and the width in printing opacity gap 22 is 2mm.Scrambler 3 is arranged on coil of strip car 4 direction of travel transmission shafts, detects in real time the position of dividing a word with a hyphen at the end of a line of coil of strip car 4.PLC controller 7 receives at any time optoelectronic switch and the code device signal line width value of going forward side by side and calculates.
Before use, first at the optoelectronic switch transmitting terminal 1 and the receiving end 2 that connect the both sides fixed installation measurement mechanism of center line 3500mm position, volume position, track 6 apart from coil of strip car 4, distance 3800mm between the two, 2 bases 14 are vertical with coil of strip Car Track 6 center lines with 24 center line.Again 2 Rotary cloumns 13 and 23 are arranged on respectively on base 14 and 24.Then optoelectronic switch 16 is fixed on transmitting terminal traversing carriage 15, again traversing carriage 15 is arranged on to transmitting terminal Rotary cloumn 13 top, and left and right adjustment guarantees that optoelectronic switch light beam is reliably by the printing opacity gap 12 on its place ahead cylinder, the width in printing opacity gap 12 is 1mm.The measurement coverage of optoelectronic switch 16 is greater than 5 meters, is arranged on the height of coil of strip 5 lower surface top 400mm.Grating 26 is arranged on receiving end traversing carriage 25, then traversing carriage 25 is arranged on to receiving end Rotary cloumn 23 tops, and left and right adjusts so that the printing opacity gap 22 on its place ahead cylinder of grating alignment, the width in printing opacity gap 22 is 2mm.Rotary cloumn 13 and 23 is adjusted in finally rotation makes optoelectronic switch light beam irradiates on receiving end grating 26, and dust cover 11 and 21 is arranged on respectively to the top of Rotary cloumn 13 and 23.
During use, definition Jie Juanwei position is 0mm, and optoelectronic switch 16 position is 3500mm so.It is 34-35 that optoelectronic switch sender effectual time is set, and it is 38-39 that coil of strip truck position scope is set, i.e. 2725-4225mm, and within the scope of this, optoelectronic switch sender is effective.In coil of strip car traveling process, when coil of strip 5 front ends cover optoelectronic switch light beam 32, optoelectronic switch sends and starts measuring command 30, and at this moment PLC controller 7 reads and record current positional value 36, the i.e. 2899mm of dividing a word with a hyphen at the end of a line, when coil of strip 5 leaves width measure district 33, optoelectronic switch sends measures the finish command 31, and PLC controller 7 reads and record now coil of strip car divide a word with a hyphen at the end of a line positional value 37, i.e. 4101mm, the difference of calculating twice positional value is 1202mm, is also the width measurement of coil of strip 5.Through being 1200mm by tape measure actual measured width, method error of measuring of the present invention is 2mm, meets width measure accuracy requirement.
Claims (5)
1. the measurement mechanism of a rolling mill production line width of steel coil, it is characterized in that this device is by optoelectronic switch transmitting terminal (1), optoelectronic switch receiving end (2), coil of strip car displacement encoder (3) and PLC controller (7) form, described optoelectronic switch transmitting terminal (1) and receiving end (2) are installed in respectively the both sides of coil of strip car (4) travel rail (6), setting height(from bottom) is consistent, and the two place straight line is vertical with coil of strip car travel rail direction, coil of strip car displacement encoder (3) is arranged on coil of strip car direction of travel transmission shaft, PLC controller (7) receives optoelectronic switch and the code device signal line width value of going forward side by side and calculates.
2. the measurement mechanism of rolling mill production line width of steel coil according to claim 1, is characterized in that described optoelectronic switch transmitting terminal (1) comprises the base fixing with ground (14), is connected to Rotary cloumn on base (13), is positioned on Rotary cloumn and is equipped with the traversing carriage (15) of optoelectronic switch (16) and the dust cover (11) at top; Described optoelectronic switch receiving end (2) comprises the base fixing with ground (24), be connected to the Rotary cloumn (23) on base, be positioned on Rotary cloumn and be equipped with the traversing carriage (25) of grating (26), and the dust cover at top (21); On the front Rotary cloumn cylinder of transmitting terminal optoelectronic switch (16) and on the front Rotary cloumn cylinder of receiving end grating (26), offer printing opacity gap (12) and (22), the width in printing opacity gap is 1.0-2.0mm.
3. the measurement mechanism of rolling mill production line width of steel coil according to claim 2, is characterized in that described optoelectronic switch (16) setting height(from bottom) is within the scope of the 300-600mm of coil of strip (5) lower surface top.
4. one kind by the measuring method of measurement mechanism to rolling mill production line width of steel coil described in claim 1,2 or 3, it is characterized in that: first adjust the traversing carriage of optoelectronic switch transmitting terminal and receiving end, make the light beam of optoelectronic switch and the grating alignment printing opacity gap on cylinder separately, adjust again the Rotary cloumn of transmitting terminal and receiving end, make light beam irradiates that optoelectronic switch sends on receiving end grating, then carry out optoelectronic switch and scrambler multiple measurement: be arranged on scrambler on coil of strip car and measure in real time the coil of strip car position of dividing a word with a hyphen at the end of a line, when coil of strip car transports coil of strip material loading through optoelectronic switch, coil of strip front end covers optoelectronic switch light beam, optoelectronic switch sends measurement commencing signal, PLC controller reads and records now coil of strip truck position value, when coil of strip car transportation coil of strip leaves optoelectronic switch, optoelectronic switch sends measurement end signal, PLC controller reads and records now coil of strip truck position value, and coil of strip garage journey in twice positional value subtraction calculations gone out during this period of time, obtain width of steel coil value.
5. the measuring method to rolling mill production line width of steel coil according to claim 4, it is characterized in that, by following coil of strip truck position scope, photoelectric switching signal is arranged to effectual time: (optoelectronic switch position-1/2* width of steel coil higher limit-50mm, optoelectronic switch position+1/2* width of steel coil higher limit+50mm).
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| CN201210204240.4A CN103512503A (en) | 2012-06-20 | 2012-06-20 | Apparatus and method for measuring width of steel coil of cold rolling production line |
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| CN201210204240.4A CN103512503A (en) | 2012-06-20 | 2012-06-20 | Apparatus and method for measuring width of steel coil of cold rolling production line |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279964A (en) * | 2014-10-30 | 2015-01-14 | 黑龙江中科诺晟自动化设备开发有限公司 | Pill case width measuring method based on optical signals and encoder signals |
| CN104729423A (en) * | 2015-02-12 | 2015-06-24 | 北京联创蓝坐标科技有限公司 | Measuring method for detecting geometric parameters of irregular glass |
| CN105333849A (en) * | 2015-12-02 | 2016-02-17 | 北京佰能电气技术有限公司 | Coil gathering station coil length measuring system based on distance measuring sensors |
| CN105716557A (en) * | 2016-04-20 | 2016-06-29 | 烟台拓伟机械有限公司 | Intelligent scanning system and method for position and height of tires on tray |
| CN109365547A (en) * | 2018-10-09 | 2019-02-22 | 鞍钢股份有限公司 | A kind of method of on-line measurement width of plate slab |
| CN109781007A (en) * | 2017-11-15 | 2019-05-21 | 宝山钢铁股份有限公司 | Vertical steel coils side detection device |
| CN111288941A (en) * | 2018-12-06 | 2020-06-16 | 无锡先导智能装备股份有限公司 | Battery rubberizing detection method and battery rubberizing system |
| CN111375650A (en) * | 2018-12-31 | 2020-07-07 | 瑨祥(宜昌)机电设备有限公司 | Coil loading and unloading equipment for continuous steel plate processing unit and method thereof |
| CN111922119A (en) * | 2020-08-19 | 2020-11-13 | 昆山峤川电气科技有限公司 | Automatic feeding system of cold rolling unit and operation method thereof |
| TWI718775B (en) * | 2019-11-21 | 2021-02-11 | 中國鋼鐵股份有限公司 | System and method for measuring outside diameter of steel coil |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279964A (en) * | 2014-10-30 | 2015-01-14 | 黑龙江中科诺晟自动化设备开发有限公司 | Pill case width measuring method based on optical signals and encoder signals |
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| CN104729423B (en) * | 2015-02-12 | 2017-09-08 | 北京联创蓝坐标科技有限公司 | A kind of measuring method for being used to detect special-shaped glass geometric parameter |
| CN105333849A (en) * | 2015-12-02 | 2016-02-17 | 北京佰能电气技术有限公司 | Coil gathering station coil length measuring system based on distance measuring sensors |
| CN105333849B (en) * | 2015-12-02 | 2019-02-12 | 北京佰能盈天科技股份有限公司 | Coil length measuring system in collection volume station based on distance measuring sensor |
| CN105716557A (en) * | 2016-04-20 | 2016-06-29 | 烟台拓伟机械有限公司 | Intelligent scanning system and method for position and height of tires on tray |
| CN109781007B (en) * | 2017-11-15 | 2020-10-27 | 宝山钢铁股份有限公司 | Vertical steel coil side surface detection device |
| CN109781007A (en) * | 2017-11-15 | 2019-05-21 | 宝山钢铁股份有限公司 | Vertical steel coils side detection device |
| CN109365547A (en) * | 2018-10-09 | 2019-02-22 | 鞍钢股份有限公司 | A kind of method of on-line measurement width of plate slab |
| CN111288941A (en) * | 2018-12-06 | 2020-06-16 | 无锡先导智能装备股份有限公司 | Battery rubberizing detection method and battery rubberizing system |
| CN111288941B (en) * | 2018-12-06 | 2022-04-22 | 无锡先导智能装备股份有限公司 | Battery rubberizing detection method and battery rubberizing system |
| CN111375650A (en) * | 2018-12-31 | 2020-07-07 | 瑨祥(宜昌)机电设备有限公司 | Coil loading and unloading equipment for continuous steel plate processing unit and method thereof |
| TWI718775B (en) * | 2019-11-21 | 2021-02-11 | 中國鋼鐵股份有限公司 | System and method for measuring outside diameter of steel coil |
| CN111922119A (en) * | 2020-08-19 | 2020-11-13 | 昆山峤川电气科技有限公司 | Automatic feeding system of cold rolling unit and operation method thereof |
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Application publication date: 20140115 |