CN104729415A - High-precision super-high temperature real-time thickness measuring device and method - Google Patents
High-precision super-high temperature real-time thickness measuring device and method Download PDFInfo
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- CN104729415A CN104729415A CN201510137077.8A CN201510137077A CN104729415A CN 104729415 A CN104729415 A CN 104729415A CN 201510137077 A CN201510137077 A CN 201510137077A CN 104729415 A CN104729415 A CN 104729415A
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Abstract
The invention discloses a high-precision super-high temperature real-time thickness measuring device and method. The device comprises laser distance measuring sensors, supports, transmission cables, a measuring control analyzer, an air compressor, an air delivery pipeline and a spraying nozzle. The laser distance measuring sensors are installed on the supports in pairs and located on the upper and lower sides of a sheet material (coiled material), and the supports are arranged at the front end of the metallurgy sheet material (coiled material) in the production process. The laser distance measuring sensors are connected to the measuring control analyzer through the cables. The air compressor is connected with the spraying nozzle through the air delivery pipeline, and the spraying nozzle is arranged above the laser distance measuring sensor located on the lower side of the sheet material (coiled material). The high-precision super-high temperature real-time thickness measuring device has the advantages that for the super-high temperature (1300 DEG C) sheet material (coiled material), the thickness of the metallurgy steel can be detected through the laser thickness measuring sensors installed in pairs, and the precision can reach 0.1 mm-0.5 mm. The measuring process is automatic, the defects that in the prior art, a precision control step lags, control precision is low, material waste is severe, the rejection rate of the product is kept high, and the high-precision super-high temperature real-time thickness measuring device has good economic benefits and application prospects.
Description
Technical field
The present invention is a kind of under hyperthermal environments, metallurgical plate (volume) material of production scene is carried out to the device of real-time high-precision thickness measuring, belongs to the technical field of mechanical process equipment robotization.
Background technology
At present in the production run of non-ferrous metal and black metal sheet (volume) material, under being in hot environment, be difficult to scene carry out hot environment under thickness measuring.Be generally after the cooling of plate (volume) material, just carry out Thickness sensitivity by surveying instrument.Be difficult to real-time feedback control so in process of production.And the demand of sheet metal (volume) material is huge, producer is numerous, is almost the operation that do not stop production for 24 hours.After the cooling of plate (volume) material, if once find that its thickness does not meet the demands, the substandard products of appearance batch often, can cause great waste.
Chinese patent CN201220172744.8 discloses a kind of plate (volume) material thicknessmeter with cooling device, this thicknessmeter can not detect in real time, and complex structure, need to set up supporting cooling device in addition, the more important thing is, the probe measurement precision of its thicknessmeter is subject to the impact of environment temperature and humidity change greatly.
The ferrous metal starting material major part dependence on import such as China's non-ferrous metal and steel, cost intensive.Therefore strict production control technique, ensures the high precision of product, saves material, guarantees that product is qualified especially important.
Summary of the invention
The object of this invention is to provide the real-time measuring thickness device of a kind of high precision superhigh temperature, detect in real time when in metallurgy industry plate (volume) the material technological process of production, plate (volume) material is in the red heat condition of high temperature, and data are sent in microcomputer process, thus according to the THICKNESS CONTROL mechanism calculated in Data Control production link, ensure that plate (volume) material of final production meets thickness calibration.Another object of the present invention is to provide a kind of detection method utilizing this measuring thickness device.
The technical scheme that device of the present invention adopts is as follows:
The real-time measuring thickness device of a kind of high precision superhigh temperature, comprise laser range sensor, support, transmission cable, Survey control analyser, air compressor machine, air supply duct and nozzle, laser range sensor mounted in pairs is on support, and being positioned at the upper and lower side of sheet material or coiled material, described Bracket setting is in the front end of the production procedure of sheet material or coiled material; Described laser range sensor is connected to Survey control analyser by transmission cable; Described air compressor machine is connected with nozzle by air supply duct, and nozzle is arranged on the top of the laser range sensor be positioned on the downside of sheet material or coiled material.
Further, described laser range sensor is installed in constant temperature oven, is provided with vacuum sleeve outside described support, is provided with high temperature protection cover outside described transmission cable, is provided with high temperature sleeve pipe outside described air supply duct.
Described nozzle is arranged on nozzle holder.
The measuring accuracy of described laser range sensor is 0.1-0.5mm.
Further, described air compressor machine adopts two, for subsequent use each other.
The measuring method of the real-time measuring thickness device of the above-mentioned a kind of high precision superhigh temperature of the present invention, specific works step is as follows:
(1) Survey control analyser and TT&C software is opened,
(2) open air compressor machine, air compressor machine is by air supply duct for nozzle provides gases at high pressure, and guarantee is positioned at the impact of the foreign material that the laser range sensor below sheet material or coiled material is not dropped and causes measuring error,
(3) connect the power supply of laser range sensor, laser range sensor carries out real-time thickness measurement to superhigh temperature sheet material or coiled material,
(4) in system work process, the temperature of each link is in monitored state, once monitor certain link temperature to exceed permissive temperature, trigger alarm device also shows in detecting and analysing system, and sends lockout signal, carries out emergency treatment by operator on duty,
(5) Survey control analyser receiving sensor data and carry out computation and analysis, the thickness of sensor measurement is calculated by parameters such as temperature difference shrinkage factor and material compositions through TT&C software, obtains the one-tenth-value thickness 1/10 of sheet material or coiled material under normal temperature,
(6) the Survey control analyser display thickness data of real time temperature, sheet material or coiled material, the information of figure, if the thickness data skew ideal data of sheet material or coiled material, then Survey control analyser is reported to the police and is sent correction steering order, if data are normal, then send production ordering, carry out next step production link.
Feature of the present invention is can for plate (volume) material of superhigh temperature (1300 degree), and detected the thickness of metallurgical steel by the laser range sensor of mounted in pairs, precision can reach 0.1-0.5mm; By constant temperature oven protection sensor at normal working temperature operated within range; By vacuum mode protective cradle; By air compressor machine and respective line, blow down the iron filings etc. fallen down in production run, prevent from blocking sensor laser channeling; Detected and control signal by cable transmission, and be input to analyzer, carry out precision controlling and corresponding warning.
Measuring process robotization of the present invention is high, sample frequency is high, precision is high, and FEEDBACK CONTROL production equipment can guarantee that plate (volume) material produced is in the accuracy rating needed.Instant invention overcomes precision controlling link in currently available technology delayed, control accuracy is not high, and the drawback that waste material is serious and product rejection rate is high, has good economic benefit and application prospect.Specifically there is following advantage:
(1) the high precision thickness measure of red heat plate (volume) material under the hyperthermal environments of production scene can be realized;
(2) accuracy of detection is up to 0.1mm ~ 0.5mm, and the accuracy class of existing steel product is improved more than 10 times;
(3) by various safeguard measure, the safety of each surveying instrument, support, cable is guaranteed;
(4) thickness of High Precision Automatic real time on-line monitoring plate (volume) material of energy, detecting data can real-time feedback control production link, whether real-time judge plate (volume) material points out accordingly and controls within acceptability limit, decrease the generation of substandard product to greatest extent, increase economic efficiency.
Accompanying drawing explanation
Fig. 1 is the construction profile of a kind of high precision superhigh temperature of the present invention measuring thickness device; wherein; 1-plate (volume) material, 2-vacuum protection support, 3-laser range sensor; 4-Survey control analyser; 5-cable and protective sleeve, 6-air compressor machine, 7-air supply duct and protective sleeve; 8-nozzle, 9-nozzle holder.
Fig. 2 is the Facad structure figure of a kind of high precision superhigh temperature of the present invention measuring thickness device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As illustrated in fig. 1 and 2, the measuring thickness device of the present embodiment comprises laser range sensor 3, vacuum protection support 2, cable and protective sleeve 5, Survey control analyser 4, air compressor machine 6, air supply duct and protective sleeve 7, nozzle 8, nozzle holder 9.It is two right that laser range sensor 3 adopts, and is arranged on respectively on vacuum protection support 2, and is positioned at the upper and lower sides of plate (volume) material 1.Laser range sensor 3 is connected to Survey control analyser 4 by transmission cable, air compressor machine 6 is connected with nozzle 8 by air supply duct 7, nozzle 8 is fixed on nozzle holder 9, and is arranged on the top of the laser range sensor 3 be positioned on the downside of plate (volume) material 1.This device can in the front end of metallurgical plate (volume) material production procedure, Thickness sensitivity is carried out when plate (volume) material 1 is in high temperature, once find out-of-size scope, timely FEEDBACK CONTROL production line, reduce the generation of substandard products to greatest extent, reduce waste, increase economic efficiency.
Said apparatus can carry out thickness measurement online to the red heat steel on production line automatically, and the installation steps of its device are:
1) cable is through in advance in superhigh temperature protection tube, protection cable;
2) fixed support and vacuum protection cover thereof, and two sides being arranged on production line plate (volume) material 1 shift position;
3) constant temperature guard box and built-in laser range sensor 3 are fixed on vacuum protection support 2, two pairs of sensor consistencies from top to bottom are installed, the distance of sensor distance plate (volume) material 1 is at about 400mm, laser range sensor 3 adopts the very still similar superhigh temperature laser range sensor such as friendly ZLDS11X, and its precision is up to 0.1-0.5mm;
4) Cable protecting tube is fixedly connected with in side face; Connection cable between Survey control analyser 4 and sensor 3;
5) be detected as after being energized and the laser beam of laser range sensor 3 is alignd, ensure that range finding accurately;
6) on the downside of support, ajutage and protective sleeve is fixed;
7) laser above lower for the alignment of oblique for nozzle 8 downside side senser is passed through surface;
8) under outdoor normal temperature environment, active and standby air compressor machine 6 is placed;
9) ajutage and air compressor machine 6 is connected.
Job step after said apparatus installs is:
1) air compressor machine 6 is started; Tensimeter indicate pressure values is at 0.6-0.8MPa.
2) Survey control analyser 4 is started;
3) temperature, the pressure of constant temperature guard box is started, and high-temperature laser distance measuring sensor 3;
4) the analysis monitoring software initialization on Survey control analyser 4;
5) temperature of each link of Survey control analyser 4 display monitoring, to comprise in the environment temperature of sensor, vacuum protection support temperature in temperature, power supply and signal cable protective sleeve, if the data such as temperature and pressure normal after assign production ordering;
6) distance measured is after software carries out analytical calculation by temperature difference shrinkage factor etc., and Survey control analyser 4 is display normal temperature lower plate (volume) material thickness in real time.If thickness abnormity, report to the police and send according to one-tenth-value thickness 1/10 and produce adjustment steering order;
7) if each temperature sensor data of monitoring is abnormal, report to the police, and send stopping production ordering;
8) if the pressure sensor data on the air supply duct of monitoring is abnormal, report to the police and start air compressor machine for subsequent use.As active and standby air compressor machine all can not ensure line pressure, the faults such as pipeline serious leak or blocking may be there is, report to the police and send stopping production ordering.
Measurement of the present invention and control procedure robotization, measuring speed is fast, and in time, precision is high in reaction.
Claims (7)
1. the real-time measuring thickness device of high precision superhigh temperature, it is characterized in that, comprise laser range sensor, support, transmission cable, Survey control analyser, air compressor machine, air supply duct and nozzle, laser range sensor mounted in pairs is on support, and being positioned at the upper and lower side of sheet material or coiled material, described Bracket setting is in the front end of the production procedure of metallurgical plate or coiled material; Described laser range sensor is connected to Survey control analyser by transmission cable; Described air compressor machine is connected with nozzle by air supply duct, and nozzle is arranged on the top of the laser range sensor be positioned on the downside of sheet material or coiled material.
2. the real-time measuring thickness device of a kind of high precision superhigh temperature according to claim 1; it is characterized in that, described laser range sensor is installed in constant temperature oven, is provided with vacuum sleeve outside described support; be provided with high temperature protection cover outside described transmission cable, outside described air supply duct, be provided with high temperature sleeve pipe.
3. the real-time measuring thickness device of a kind of high precision superhigh temperature according to claim 1, it is characterized in that, described nozzle is arranged on nozzle holder.
4. the real-time measuring thickness device of a kind of high precision superhigh temperature according to claim 1, is characterized in that, the measuring accuracy of described laser range sensor is 0.1-0.5mm.
5., according to the real-time measuring thickness device of a kind of high precision superhigh temperature one of Claims 1-4 Suo Shu, it is characterized in that, described air compressor machine adopts two, for subsequent use each other.
6. utilize the measuring method of the real-time measuring thickness device of a kind of high precision superhigh temperature as claimed in claim 1, it is characterized in that, specific works step is as follows:
(1) Survey control analyser and TT&C software is opened,
(2) open air compressor machine, air compressor machine is by air supply duct for nozzle provides gases at high pressure, and guarantee is positioned at the impact of the foreign material that the laser range sensor below sheet material or coiled material material is not dropped and causes measuring error,
(3) connect the power supply of laser range sensor, laser range sensor carries out real-time thickness measurement to superhigh temperature sheet material or coiled material,
(4) in system work process, the temperature of each link is in monitored state, once monitor certain link temperature to exceed permissive temperature, trigger alarm device also shows in detecting and analysing system, and sends lockout signal, carries out emergency treatment by operator on duty,
(5) Survey control analyser receiving sensor data and carry out computation and analysis, the thickness of sensor measurement is calculated by parameters such as temperature difference shrinkage factor and material compositions through TT&C software, obtains the one-tenth-value thickness 1/10 of sheet material or coiled material under normal temperature,
(6) the Survey control analyser display thickness data of real time temperature, sheet material or coiled material, the information of figure, if the thickness data skew ideal data of sheet material or coiled material, then Survey control analyser is reported to the police and is sent correction steering order, if data are normal, then send production ordering, carry out next step production link.
7. measuring method according to claim 6, is characterized in that, described air compressor machine adopts two, for subsequent use each other, guarantees to provide pressure-air incessantly.
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| CN201510137077.8A CN104729415A (en) | 2015-03-26 | 2015-03-26 | High-precision super-high temperature real-time thickness measuring device and method |
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| CN201510137077.8A CN104729415A (en) | 2015-03-26 | 2015-03-26 | High-precision super-high temperature real-time thickness measuring device and method |
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Cited By (5)
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| CN105278453A (en) * | 2015-10-30 | 2016-01-27 | 金东纸业（江苏）股份有限公司 | Adjustment method and adjustment equipment for breadth direction uniformity in coiled material production |
| CN106052574A (en) * | 2016-07-27 | 2016-10-26 | 南京师范大学 | Thickness measuring device and its method for steel material in red hot state |
| CN112461115A (en) * | 2020-11-18 | 2021-03-09 | 杭州电子科技大学 | Movable plate thickness detection system based on temperature control |
| CN113351655A (en) * | 2021-06-29 | 2021-09-07 | 杭州电子科技大学 | Rolling interface oil film thickness and plate shape on-line detection system of rolling mill |
| CN117252347A (en) * | 2023-11-17 | 2023-12-19 | 湖南腾琨信息科技有限公司 | Meta-universe platform based on industrial Internet and safe production and construction method |
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| CN112461115A (en) * | 2020-11-18 | 2021-03-09 | 杭州电子科技大学 | Movable plate thickness detection system based on temperature control |
| CN113351655A (en) * | 2021-06-29 | 2021-09-07 | 杭州电子科技大学 | Rolling interface oil film thickness and plate shape on-line detection system of rolling mill |
| CN113351655B (en) * | 2021-06-29 | 2022-11-25 | 杭州电子科技大学 | Rolling mill rolling interface oil film thickness and plate shape on-line detection system |
| CN117252347A (en) * | 2023-11-17 | 2023-12-19 | 湖南腾琨信息科技有限公司 | Meta-universe platform based on industrial Internet and safe production and construction method |
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