CN103447318A - Band steel thickness control device for band steel cold rolling machine - Google Patents

Band steel thickness control device for band steel cold rolling machine Download PDF

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Publication number
CN103447318A
CN103447318A CN2013103950586A CN201310395058A CN103447318A CN 103447318 A CN103447318 A CN 103447318A CN 2013103950586 A CN2013103950586 A CN 2013103950586A CN 201310395058 A CN201310395058 A CN 201310395058A CN 103447318 A CN103447318 A CN 103447318A
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CN
China
Prior art keywords
control device
laser
thickness control
steel thickness
protective cradle
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Granted
Application number
CN2013103950586A
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Chinese (zh)
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CN103447318B (en
Inventor
闻青山
李宁
梁保国
李群
刘丽
吴冬梅
臧廷利
冯德文
秦甲卫
高健
徐卫国
孙清泉
孔德奎
赵希坤
林建民
唐怀军
孙玉龙
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Jinan Iron and Steel Group Co Ltd
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Jinan Iron and Steel Group Co Ltd
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Priority to CN201310395058.6A priority Critical patent/CN103447318B/en
Publication of CN103447318A publication Critical patent/CN103447318A/en
Application granted granted Critical
Publication of CN103447318B publication Critical patent/CN103447318B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a band steel thickness control device for a band steel cold rolling machine. The band steel thickness control device comprises a laser speed measuring head, wherein the laser speed measuring head is arranged at a rolling machine body and is connected with a laser path tube, the laser path tube is connected with a signal controller, the signal controller is connected with a bus controller, the bus controller is connected with an HMI (human-machine interface), and a protection support frame is arranged outside the laser path tube and the laser speed measuring head and is connected with the rolling machine body. A speed measuring instrument and accessories of the speed measuring instrument can be effectively protected, the number of beating times of the speed measuring instrument by the band steel in the band passing or band cutting process can be calculated, when the number exceeds the set time number, the value can be displayed at the HMI in time, maintenance personnel can maintain the speed measuring instrument in time, and the generation of inferior-quality rolls caused when the fault of the speed measuring instrument cannot be found in time is avoided.

Description

Cold strip mill belt steel thickness control device
Technical field
The present invention relates to the steel processing device technical field, relate in particular to a kind of cold strip mill belt steel thickness control device, can automatically calculate self suffered protective device that impacts number of times.
Background technology
Prior art is in the cold-rolling mill production process, and laser velocimeter participates in second flow and controls, directly impact band steel finished product thickness precision.So guarantee normally coming into operation of laser velocimeter.Laser velocimeter in process of production, occur due to steel threading or broken belt the time by situation about impacting with steel or fragment, and follow the suddenly vibration of band steel or broken belt to cause the medium such as emulsion to be easy to be splashed on laser velocimeter, so to guarantee tachymeter certain difficulty that normally comes into operation.Laser velocimeter very easily is subject to the impact of environment as highly sophisticated device, as hit vibration, fog, emulsion, greasy filth etc., the tachymeter made and path cylinder overwhelm, cylinder edge, path greasy filth is many, laser is dispersed, detection window is dirty, laser path is blocked etc., thereby cause the tachymeter quality factor to descend, can't normally come into operation.So the actual running time of laser velocimeter and suffered cycle are taken advantage of inverse relation, normal running time is long at least for cycle, and cycle running time at most is short.The cold strip mill of prior art belt steel thickness control device is installed the laser speedometer head on rolling mill body, and the laser path cylinder is installed on the Laser Measuring kinetic head, and laser is gone out by the laser velocimeter hair, is mapped to the enterprising line speed of band steel through the laser path cylinder and measures.Measuring-signal is transferred to signaling control unit after being detected by speed head, and rate signal is transferred to control system after conversion process, participates in milling train second flow THICKNESS CONTROL.The course of work of existing laser velocimeter:
1, after milling train a time threading or the anti-threading of two passages complete, the cycling start order provides;
2, the tachymeter signal processor is received milling train cycling start order, opens laser shutter shutter;
3, milling train plays the vehicle speed lifting, and the speed quality factor meets the requirements, and laser velocimeter comes into operation;
4, during the milling train whipping, Speed Reduction, the speed quality factor, lower than setting value, is cancelled the laser velocimeter that comes into operation;
5, milling train stops while unloading volume, and tachymeter cuts out shutter, waits for the threading of next volume.
The shortcoming that existing tachymeter exists: during Laser Measuring kinetic head and path cylinder all are exposed to milling train when normal steel rolling, occur due to steel threading or broken belt the time by situation about impacting with steel or fragment, and follow the suddenly vibration of band steel or broken belt to cause the medium such as emulsion to be easy to be splashed on laser velocimeter, the tachymeter made and path cylinder overwhelm, cylinder edge, path greasy filth is many, laser is dispersed, detection window is dirty, laser path is blocked etc., cause laser velocimeter normally to come into operation, greatly affect rolling mill thickness control accuracy.
Summary of the invention
The above-mentioned shortcoming existed in order to overcome prior art, the invention provides the protective device of a kind of cold strip mill with laser velocimeter; The steel protective cradle can effectively be protected tachymeter and annex thereof on the one hand; can calculate on the other hand the number of times that impacts of in threading or broken belt process tachymeter institute tape steel; once surpass the set point number value; can be in time in the HMI interface display; attendant's spot check in time safeguards tachymeter, has avoided because not finding in time that the tachymeter fault causes the generation of substandard products volume.
The technical scheme that the present invention solves thorny problem is:
A kind of cold strip mill belt steel thickness control device; comprise the Laser Measuring kinetic head; the Laser Measuring kinetic head is installed on rolling mill body; the Laser Measuring kinetic head is connected with the laser path cylinder; the laser path cylinder is connected with signal controller, and signal controller is connected with bus control unit, and bus control unit is connected with the HMI man-machine interface; the outside of described Laser Measuring kinetic head and laser path cylinder is provided with protective cradle, and described protective cradle is connected with rolling mill body.
Described bus control unit adopts the VME control system, and the VME control system comprises analog signal input card, numbered card, and wherein analog signal input card is connected with signaling control unit, and numbered card is connected with the HMI man-machine interface.
Be provided with the non-contact detection element in described protective cradle, the non-contact detection element is connected with numbered card.。
Described non-contact detection element is inlaid in the individual interior angle near protective cradle.Described non-contact detection element is limit switch.
Described non-contact detection element measurement zone and bracket edge distance>2cm.Guarantee not produce interfering signal with support, and the non-contact detection element can when hitting, the band steel be effectively protected in embedded installation.
The material of described protective cradle adopts steel pipe or angle bar.
The deltiod that described protective cradle is steel pipe manufacturing.Not only protect laser speedometer head and laser path cylinder, and can improve the ability of anti-fight, can provide convenience for detecting element lays circuit.
Described protective cradle and rolling mill body welding.Described protective cradle adopts cuboid or square frame structure, is provided with the ability of web beam, reinforcement anti-fight at each inner surface.
Described tally adopts the transmission of Green code data format, adopts the TIP114 numbered card.
Described bus control unit adopts VME controller 4, and VME controller 4 adopts the bus control unit based on the embedded real-time high speed transmission technology of Vxworks.Electric control system adopts the VME bus control unit of European standard, utilizes subcard Tip114 in counter plate VIP616 to realize processing and the transmission of data.
The invention has the beneficial effects as follows:
1. effectively protect Laser Measuring kinetic head and laser path cylinder; can accurately detect the number of times that impacts at tachymeter position; when rolling environmental abnormality situation occurring, report to the police in the HMI man-machine interface in time; the convenient operation personnel find and safeguard in time the laser velocimeter instrument system; guarantee normally coming into operation of laser velocimeter in the rolling process, guaranteed the belt steel thickness control accuracy.
2. simple in structure, be convenient to safeguard and install simply, can be generalized on other astute measuring instruments that need protection.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, 1-Laser Measuring kinetic head, 2-laser path cylinder, 3-signal controller, 4-VME controller, 5-analog signal input card, 6-numbered card, 7-protective cradle, 8-non-contact detection element, 9-rolling mill body, 10-HMI man-machine interface.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
A kind of cold strip mill belt steel thickness control device; as shown in Figure 2; comprise Laser Measuring kinetic head 1; Laser Measuring kinetic head 1 is installed on rolling mill body 9, and Laser Measuring kinetic head 1 is connected with laser path cylinder 2, and laser path cylinder 2 is connected with signal controller 3; signal controller 3 is connected with bus control unit 4; bus control unit 4 is connected with HMI man-machine interface 10, and the outside of described Laser Measuring kinetic head 1 and laser path cylinder 2 is provided with protective cradle 7, and described protective cradle 7 is connected with rolling mill body 9.Laser is sent by Laser Measuring kinetic head 1, is mapped to the enterprising line speed of band steel through laser path cylinder 2 and measures.Adopt protective cradle 7 structures, can directly Laser Measuring kinetic head and laser path cylinder be protected.
Described bus control unit 4 adopts the VME control system, and the VME control system comprises analog signal input card 5, numbered card 6, and wherein analog signal input card 5 is connected with signaling control unit 3, and numbered card 6 is connected with the HMI man-machine interface.Measuring-signal is transferred to signaling control unit 3 after being detected by Laser Measuring kinetic head 1, and the analog signal input card 5 that rate signal is transferred to the VME control system after conversion process participates in the second flow control in the thick control pattern of milling train.
Be provided with non-contact detection element 8 in described protective cradle 7, non-contact detection element 8 is connected with numbered card 6.When four embedded non-contact detection elements 8 of protective cradle detect the band steel while impacting the protective cradle signal, by circuit by this signal after DBA signaling control unit 3 is processed, pass to VME controller 4.The number of times that impacts that produces the protective cradle at HMI interface by VME director demon operation shows, once surpass the number of times that impacts of setting, the HMI interface automatically shows that needs are fixing or safeguards the information of protective cradle, and impacts the red sudden strain of a muscle warning in number of times place at the HMI record.
Described non-contact detection element 8 is inlaid in 4 interior angles near protective cradle.Be inlaid in the non-contact detection element 8 of 4 interior angles of protective cradle, the signal impacted be transferred to the tally 6 of VME control system 4, the VME control system shows the number of times of statistics on HMI man-machine interface 10.Described non-contact detection element is limit switch.As another implementation method of the present invention, the above-mentioned protective cradle that is installed on rolling mill body, material can replace with steel pipe, and structure is identical.The non-contact detection element of setting-in adopts limit switch, and the position that leans out of adjusting limit switch during use, avoid being with steel to break.
Described non-contact detection element 8 measurement zones and bracket edge distance>2cm.Guarantee not produce interfering signal with support, and the non-contact detection element can when hitting, the band steel be effectively protected in embedded installation.
The material of described protective cradle 7 adopts steel pipe or angle bar.Four non-contact detection elements 8 by setting-in; the band steel that can gather the laser velocimeter position impacts number of times, indirectly obtains the situation that tachymeter normally comes into operation, in the protection laser velocimeter; can provide again the number of times that disturbs tachymeter normally to come into operation, feed back in time the attendant.
The deltiod that described protective cradle 7 is steel pipe manufacturing.Not only protect laser speedometer head 2 and laser path cylinder 1, and can improve the ability of anti-fight, can provide convenience for detecting element lays circuit.
Described protective cradle 7 and rolling mill body welding.Protective cradle adopts steel material, directly is welded on rolling mill body, to realize its high strength.Described protective cradle 7 adopts cuboid or square frame structure, is provided with the ability of crossbeam, reinforcement anti-fight at each inner surface.
Described tally 6 adopts the transmission of Green code data format, adopts the TIP114 numbered card.
Described bus control unit adopts VME controller 4, and VME controller 4 adopts the bus control unit based on the embedded real-time high speed transmission technology of Vxworks.Electric control system adopts the VME bus control unit of European standard, utilizes subcard Tip114 in counter plate VIP616 to realize processing and the transmission of data.
The course of work of tachymeter of the present invention:
1, after milling train a time threading or the anti-threading of two passages complete, the cycling start order provides;
2, the tachymeter signal processor is received milling train cycling start order, opens laser shutter shutter; The monitoring of protective cradle detecting element impacts number of times;
3, milling train plays the vehicle speed lifting, and the speed quality factor meets the requirements, and laser velocimeter comes into operation; The monitoring of protective cradle detecting element impacts number of times;
4, during the milling train whipping, Speed Reduction, the speed quality factor, lower than setting value, is cancelled the laser velocimeter that comes into operation; The monitoring of protective cradle detecting element impacts number of times;
5, milling train stops while unloading volume, and tachymeter cuts out shutter, waits for the threading of next volume.
Data transmission procedure of the present invention is, the tachometric survey signal is transferred to signal DAB signal controller 3 after being detected by Laser Measuring kinetic head 1, and the analog signal input card 5 that rate signal is transferred to the VME control system after conversion process participates in the second flow control in the thick control pattern of milling train.The signal impacted of non-contact detection element 8 is transferred to the tally 6 of VME control system; the VME control system shows the number of times of statistics on HMI man-machine interface 10; thereby realize can calculating self suffered number of times impacted in the protection laser velocimeter.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of inventing is described; but be not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.

Claims (10)

1. a cold strip mill belt steel thickness control device; comprise the Laser Measuring kinetic head; the Laser Measuring kinetic head is installed on rolling mill body; the Laser Measuring kinetic head is connected with the laser path cylinder, and the laser path cylinder is connected with signal controller, and signal controller is connected with bus control unit; it is characterized in that; described bus control unit is connected with the HMI man-machine interface, and the outside of described Laser Measuring kinetic head and laser path cylinder is provided with protective cradle, and described protective cradle is connected with rolling mill body.
2. cold strip mill according to claim 1 belt steel thickness control device, it is characterized in that, described bus control unit adopts the VME control system, the VME control system comprises analog signal input card, numbered card, wherein analog signal input card is connected with signaling control unit, and numbered card is connected with the HMI man-machine interface.
3. cold strip mill according to claim 2 belt steel thickness control device, is characterized in that, is provided with the non-contact detection element in described protective cradle, and the non-contact detection element is connected with numbered card.
4. cold strip mill according to claim 3 belt steel thickness control device, is characterized in that, described non-contact detection element is inlaid in the individual interior angle near protective cradle, and described non-contact detection element is limit switch.
5. cold strip mill according to claim 4 belt steel thickness control device, is characterized in that, described non-contact detection element measurement zone and bracket edge distance>2cm.
6. cold strip mill according to claim 1 belt steel thickness control device, is characterized in that, the material of described protective cradle adopts steel pipe or angle bar, described protective cradle and rolling mill body welding.
7. cold strip mill according to claim 1 belt steel thickness control device, is characterized in that, the deltiod that described protective cradle is steel pipe manufacturing.
8. cold strip mill according to claim 1 belt steel thickness control device, is characterized in that, described protective cradle adopts cuboid or square frame structure, is provided with the ability of web beam, reinforcement anti-fight at each inner surface.
9. cold strip mill according to claim 2 belt steel thickness control device, is characterized in that, described tally adopts the transmission of Green code data format, adopts the TIP114 numbered card.
10. cold strip mill according to claim 2 belt steel thickness control device, is characterized in that, described bus control unit adopts VME controller 4, and described VME controller 4 adopts the bus control unit based on the embedded real-time high speed transmission technology of Vxworks.
CN201310395058.6A 2013-09-03 2013-09-03 Cold strip mill belt steel thickness control device Expired - Fee Related CN103447318B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424154A (en) * 2016-02-21 2017-02-22 内蒙古包钢钢联股份有限公司 Method for finding equipment failure through HMI images
CN110306028A (en) * 2019-07-11 2019-10-08 山西太钢不锈钢股份有限公司 Steel strip thickness specification transition control method in strip continuous cold rolling annealing process

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424154A (en) * 2016-02-21 2017-02-22 内蒙古包钢钢联股份有限公司 Method for finding equipment failure through HMI images
CN110306028A (en) * 2019-07-11 2019-10-08 山西太钢不锈钢股份有限公司 Steel strip thickness specification transition control method in strip continuous cold rolling annealing process

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