CN103820628B - Heating furnace slab positioning device and positioning method thereof - Google Patents
Heating furnace slab positioning device and positioning method thereof Download PDFInfo
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- CN103820628B CN103820628B CN201410088258.1A CN201410088258A CN103820628B CN 103820628 B CN103820628 B CN 103820628B CN 201410088258 A CN201410088258 A CN 201410088258A CN 103820628 B CN103820628 B CN 103820628B
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Abstract
The invention discloses a heating furnace slab positioning device. A slab (1) is arranged on a roller table group (10) and transported to a front positioning roller table from a furnace roller table of a heating furnace; a furnace side roller table encoder (2), a furnace side cold and hot metal detector (3), a furnace front roller table encoder (4), a furnace front cold and hot metal detector (5) and a metal width measurement detector (7) are arranged on the roller table group (10); a righting mechanism (6) and a righting mechanism encoder (8) are arranged below the roller table group (10); and distance meters (9) for measuring the length of the slab (1) are arranged on two sides of the slab (1). The invention further discloses a positioning method of the heating furnace slab positioning device. Slabs with different lengths can be positioned on a furnace front loading roller according to requirements of a material distribution graph in a higher precision manner, so that the slabs can be loaded in reasonable positions in the heating furnace, accordingly, a series of problems caused by a conventional positioning method are solved, facilities of the heating furnace are protected, and the input rate of the heating furnace during operation is increased.
Description
Technical field
The present invention relates to a kind of slab localization method, be specifically related to a kind of furnace plate blank locating device and localization method thereof.
Background technology
In the process that strip is produced, producing raw material slab used needs just can enter rolling line and be rolled after process furnace heating.In recent years, the walking beam heating furnace holding inlet side to go out is applied to heating slab more and more.Slab is transported to discharge end from the loading end of process furnace by stepping mechanism by walking beam heating furnace, and by the temperature required by heating of plate blank to rolling in the process of transporting.
Walking beam heating furnace, compared with pusher-type furnace conventional in the past, has numerous advantages:
Such as: improve the ability of unit process furnace and improve the heating quality of product; There is more strict requirement the position that walking beam heating furnace enters stove for slab simultaneously, slab is easily caused to damage water beam in stove by pressure if positioning precision is poor, cause sometimes and damage the resistance to material of heating-furnace inside wall, time serious, slab can slide Shui Liang and cause industrial accident.
Fig. 1 is the structural representation of prior art, Fig. 2 is the structural representation of prior art, as depicted in figs. 1 and 2, the locator means that existing walking beam heating furnace slab is conventional is: the length recording blank according to the detection signal of furnace side cold/hot metal detector 3 in roller-way group 10 and the data of furnace side roller-way encoder 2, the cloth figure required by successive control system combined process carries out the location of slab.
This locator means is merely able to carry out preliminary location to slab, there is the problem of following several respects: slab does not push away positive process, slab is not surveyed wider than journey, slab malposition easily causes slab linear measure to be forbidden, skidding between slab and roller-way easily causes slab linear measure to be forbidden, the link do not verified after having located.
Summary of the invention
The object of the invention is to, a kind of furnace plate blank locating device and localization method thereof are provided, to overcome the above-mentioned shortcoming and defect existing for prior art.In order to solve the problems of the technologies described above, this patent adopts following technical scheme substep to realize the location of slab in stokehold to make it in rational position loading stove.
The technical problem that will solve required for the present invention, can be achieved through the following technical solutions:
As a first aspect of the present invention, a kind of furnace plate blank locating device, is characterized in that, comprising:
Roller-way group, it arranges slab, and slab is transported to location, stokehold roller-way from the furnace roller road that enters of process furnace;
Described roller-way group is arranged furnace side roller-way encoder, furnace side cold/hot metal detector, charging roller table encoder, stokehold cold/hot metal detector be also set and survey wide metal detector, before described roller-way group, Tui Zheng mechanism is set, pushing away positive mechanism coding device.
Further, the both sides of described slab arrange the stadimeter recording slab length.
Further, described roller-way group is arranged at the front of process furnace.
Further, described process furnace is walking beam heating furnace.
Wherein, described locating device also comprises control part, and control part adopts programmable controller (Programmable Logic Controller, PLC) or central processing unit (Central ProcessingUnit, CPU).
As a second aspect of the present invention, a kind of localization method of furnace plate blank locating device, is characterized in that, comprise the following steps:
The first step: slab is transported to process furnace direction by roller-way group, and slab, in transportation, is recorded the preliminary length of slab, sees Fig. 1 by furnace side roller-way encoder and furnace side cold/hot metal detector;
Second step: the cloth figure of control part required by the preliminary length of slab and technique carries out the Primary Location of stokehold by charging roller table encoder and stokehold cold/hot metal detector, see Fig. 2;
3rd step: after Primary Location completes, slab 1 is pushed into stokehold and surveys wide metal detector place by Tui Zheng mechanism, record width of plate slab according to pushing away positive mechanism coding device and survey wide metal detector pushing away in positive process, record the precise length of slab simultaneously according to the stadimeter of slab both sides, see Fig. 3;
4th step: control part is accurately located according to the precise length of the slab recorded and cloth figure, and is verified by stadimeter, sees Fig. 3;
5th step: the slab after accurately having located sends into process furnace by Zhuan Gang mechanism, sees Fig. 4.
Beneficial effect of the present invention:
The present invention can reach following function by above-mentioned position fixing process:
1, slab 1 utilizes Tui Zheng mechanism 6 slab to be pushed into the wide metal detector 7 of survey of stokehold after Primary Location, can slab just be pushed away on the one hand, reduce next step accurately survey long error and prevent slab from loading the state being in inclination in stove, the strict width of slab can be recorded on the other hand.
2, carried out accurate location after having recorded precise length, eliminated that preliminary length is forbidden, roller-way and metal have skidded the Primary Location error caused.
3, utilize stadimeter 9 to carry out further checking to accurately locating, positioning error is controlled in rational scope.
4, protect the equipment of process furnace, improve the devoting rate that process furnace runs.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is the structural representation of prior art.
Fig. 3 is structural representation of the present invention.
Fig. 4 is structural representation of the present invention.
Reference numeral:
Slab 1, furnace side roller-way encoder 2, furnace side cold/hot metal detector 3, charging roller table encoder 4, stokehold cold/hot metal detector 5, Tui Zheng mechanism 6, survey wide metal detector 7, push away positive mechanism coding device 8, stadimeter 9, roller-way group 10, walking beam heating furnace 20.
Embodiment
Below in conjunction with specific embodiment, progressive explanation is done to the present invention.Should be understood that following examples only for illustration of the present invention but not for limiting scope of the present invention.
Embodiment 1
As Figure 1-Figure 4, a kind of furnace plate blank locating device, comprise: furnace side roller-way encoder 2, furnace side cold/hot metal detector 3, charging roller table encoder 4, stokehold cold/hot metal detector 5, Tui Zheng mechanism 6, surveys wide metal detector 7, pushes away positive mechanism coding device 8, stadimeter 9, roller-way group 10 and control part.
Furnace side roller-way encoder 2, charging roller table encoder 4, pushes away incremental RHI58 or absolute value AHM58 type product that positive mechanism coding device 8 all can adopt PEPPERL FUCHS P+F.
Furnace side cold/hot metal detector 3, stokehold cold/hot metal detector 5, surveys the laser grating product that wide metal detector 7 can adopt Lucheng Sensor Co., Ltd., Changzhou.
Tui Zheng mechanism 6, for moving horizontally form, adopts pusher structure.
Stadimeter 9 can adopt the laser ranger product of DELTA company.
Roller-way group 10 is arranged slab 1, and slab 1 is transported to location, stokehold roller-way from the furnace roller road that enters of process furnace; Process furnace is arranged at the rear of roller-way group, and process furnace is walking beam heating furnace 20.
Roller-way group 10 is arranged furnace side roller-way encoder 2, furnace side cold/hot metal detector 3, charging roller table encoder 4, stokehold cold/hot metal detector 5 are also set and survey wide metal detector 7.
Tui Zheng mechanism 6 is set before roller-way group 10, pushes away positive mechanism coding device 8.
The both sides of slab 1 arrange the stadimeter 9 recording slab 1 length.
Locating device also comprises control part, and control part adopts programmable controller (ProgrammableLogic Controller, PLC) or central processing unit (Central Processing Unit, CPU).
A localization method for furnace plate blank locating device, comprises the following steps:
The first step: slab is transported to process furnace direction by roller-way group 10, slab 1, in transportation, is recorded the preliminary length of slab 1, sees Fig. 1 by furnace side roller-way encoder 2 and furnace side cold/hot metal detector 3.
Second step: the cloth figure of sequence PLC system required by the preliminary length of slab 1 and technique carries out the Primary Location of stokehold by charging roller table encoder 4 and stokehold cold/hot metal detector 5, sees Fig. 2.
3rd step: after Primary Location completes, slab 1 is pushed into stokehold and surveys wide metal detector 7 place by Tui Zheng mechanism 6, record slab 1 width according to pushing away positive mechanism coding device 8 and survey wide metal detector 7 pushing away in positive process, record the precise length of slab 1 according to the stadimeter 9 of slab 1 both sides simultaneously, see Fig. 3, complete to push away and just grow with survey.
Slab 1 utilizes Tui Zheng mechanism 6 slab 1 to be pushed into the wide metal detector 7 of the survey before process furnace after Primary Location, can slab 1 just be pushed away on the one hand, reduce next step accurately survey long error and prevent slab 1 from loading in process furnace the state being in inclination, the strict width of slab 1 can be recorded on the other hand.
4th step: sequence PLC system is accurately located according to the precise length of the slab 1 recorded and cloth figure, and is verified by stadimeter 9, sees Fig. 3, completes accurate location.
Utilize stadimeter 9 to carry out further checking to accurately locating, positioning error is controlled in rational scope.
Carry out accurate location after having recorded the precise length of slab 1, eliminated that preliminary length is forbidden, roller-way and metal have skidded the Primary Location error caused.
5th step: the blank after accurately having located sends into process furnace by Zhuan Gang mechanism, sees Fig. 4.
Feed on roller before the slab of different lengths can being positioned process furnace according to the requirement of cloth figure with higher precision by the location of an above-mentioned system; it is made to load in process furnace in rational position; thus avoid the series of problems that traditional locator means causes; protect the equipment of process furnace, improve the devoting rate that process furnace runs.
In the present embodiment, process furnace is walking beam heating furnace 20, and slab 1 is transported to discharge end from the loading end of process furnace by stepping mechanism by walking beam heating furnace, and by the temperature required by heating of plate blank to rolling in the process of transporting.
Be illustrated the specific embodiment of the present invention above, but the present invention is not as limit, only otherwise depart from aim of the present invention, the present invention can also have various change.
Claims (5)
1. a furnace plate blank locating device, is characterized in that, comprising:
Roller-way group (10), it is arranged slab (1), and slab (1) is transported to location, stokehold roller-way from the furnace roller road that enters of process furnace;
Described roller-way group (10) is arranged furnace side roller-way encoder (2), furnace side cold/hot metal detector (3), charging roller table encoder (4), stokehold cold/hot metal detector (5) be also set and survey wide metal detector (7), described roller-way group (10) the front Tui Zheng of setting mechanism (6), pushing away positive mechanism coding device (8).
2. locating device according to claim 1, is characterized in that: the both sides of described slab (1) arrange the stadimeter (9) recording slab (1) length.
3. locating device according to claim 1, is characterized in that: under the effect of Tui Zheng mechanism (6), jointly record the width of slab (1) with the wide metal detector of survey (7).
4. locating device according to claim 1, is characterized in that: described locating device also comprises control part, and control part adopts programmable controller or central processing unit.
5. a localization method for furnace plate blank locating device as claimed in claim 4, is characterized in that, comprise the following steps:
The first step: slab is transported to process furnace direction by roller-way group (10), slab (1), in transportation, records the preliminary length of slab (1) by furnace side roller-way encoder (2) and furnace side cold/hot metal detector (3);
Second step: the cloth figure of control part required by the preliminary length of slab (1) and technique carries out the Primary Location of stokehold by charging roller table encoder (4) and stokehold cold/hot metal detector (5);
3rd step: after Primary Location completes, slab (1) is pushed into stokehold and surveys wide metal detector (7) place by Tui Zheng mechanism (6), record slab (1) width according to pushing away positive mechanism coding device (8) and survey wide metal detector (7) pushing away in positive process, record the precise length of slab (1) simultaneously according to the stadimeter (9) of slab (1) both sides;
4th step: control part is accurately located according to the precise length of the slab recorded (1) and cloth figure, and verified by stadimeter (9);
5th step: the slab (1) after accurately having located sends into process furnace by Zhuan Gang mechanism.
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| CN109916182A (en) * | 2019-04-09 | 2019-06-21 | 南京钢铁股份有限公司 | A kind of automatic steel loading system of bar plate heating stove and automatic steel loading method |
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| CN104034172B (en) * | 2014-06-12 | 2015-12-30 | 攀钢集团西昌钢钒有限公司 | The method of steel is filled continuously in trend heating furnace |
| CN108004389B (en) * | 2016-10-31 | 2019-08-27 | 宝山钢铁股份有限公司 | A kind of method that can carry out the positioning of slab cloth according to steel grade and trimmed size |
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| DE19627336C1 (en) * | 1996-06-28 | 1997-09-18 | Mannesmann Ag | Guiding a cast strip in e.g. steel strip casting units |
| CN2636177Y (en) * | 2003-06-27 | 2004-08-25 | 武汉科技大学 | Billet positioning controller in heating furnace |
| CN102230067B (en) * | 2011-03-30 | 2012-11-14 | 北京首钢自动化信息技术有限公司 | Method for realizing accurate positioning of steel billet delivered into a heating furnace |
| CN202030795U (en) * | 2011-04-02 | 2011-11-09 | 武汉钢铁(集团)公司 | Device for removing residual water of steel plate quenched by quenching press |
| CN202255298U (en) * | 2011-08-12 | 2012-05-30 | 中冶南方(武汉)威仕工业炉有限公司 | Steel billet length measuring and positioning system |
| CN102322803B (en) * | 2011-08-12 | 2013-08-28 | 中冶南方(武汉)威仕工业炉有限公司 | Steel blank length-measurement positioning system |
| CN202667271U (en) * | 2012-07-03 | 2013-01-16 | 中冶华天南京自动化工程有限公司 | Measuring system for length of steel billet on roller bed |
| CN103484651B (en) * | 2013-09-27 | 2016-04-20 | 北京佰能电气技术有限公司 | Process furnace fills steel locating device automatically |
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| CN109916182A (en) * | 2019-04-09 | 2019-06-21 | 南京钢铁股份有限公司 | A kind of automatic steel loading system of bar plate heating stove and automatic steel loading method |
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Address after: 200090 Shanghai Pudong New Area Cailu town three road No. 168 Patentee after: Fives Stein Metallurgical Technology (Shanghai) Co. Ltd. Address before: 200090 Shanghai Pudong New Area Cailu town three road No. 168 Patentee before: STEIN (SHANGHAI) INDUSTRIAL FURNACE CO., LTD. |
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