CN101829682A - Method for blocking backflow of emulsified liquid with low inertia force - Google Patents

Method for blocking backflow of emulsified liquid with low inertia force Download PDF

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Publication number
CN101829682A
CN101829682A CN 201010161064 CN201010161064A CN101829682A CN 101829682 A CN101829682 A CN 101829682A CN 201010161064 CN201010161064 CN 201010161064 CN 201010161064 A CN201010161064 A CN 201010161064A CN 101829682 A CN101829682 A CN 101829682A
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CN
China
Prior art keywords
backflow
rolling
mill
inertia force
cold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201010161064
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Chinese (zh)
Inventor
杨威
丁文红
贺文健
邹振华
王毅
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Wisdri Engineering and Research Incorporation Ltd filed Critical Wisdri Engineering and Research Incorporation Ltd
Priority to CN 201010161064 priority Critical patent/CN101829682A/en
Priority to PCT/CN2010/074485 priority patent/WO2011134193A1/en
Publication of CN101829682A publication Critical patent/CN101829682A/en
Pending legal-status Critical Current

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

The invention belongs to the technical field of cold-rolled emulsified spot processing, and in particular relates to a method for blocking backflow of emulsified liquid with low inertia force, which is applied to various cold mill trains. The method for blocking the backflow of the emulsified liquid with low inertia force is characterized by comprising the following steps of:1) arranging a rubber scraper on the inlet side of a cold mill, and arranging a rubber scraper on the outlet side of the cold mill, wherein the rubber scraper on the inlet side and the rubber scraper on the outlet side are all positioned above a steel strip passing line; and 2) after the mill completes switching rolling passes, putting down the rubber scraper on the inlet side to press against the upper surface of a steel strip so as to block the backflow of the emulsified liquid when the rolling speed of the cold mill is less than 4m/s, lifting the rubber scraper to leave the upper surface of the steel strip when the rolling speed of the cold mill is more than or equal to 4m/s, and in the process, always lifting the rubber scraper on the outlet side. The method has the characteristic of simpleness, and can prevent the backflow of the emulsified liquid during low-speed rolling of the mill.

Description

The blocking-up method of backflow of emulsified liquid with low inertia force
Technical field
The invention belongs to the cold rolling emulsified spot processing technology field, be specifically related to the blocking-up method of a kind of single chassis reversable cold-rolling machine backflow of emulsified liquid with low inertia force when rolling pass is switched, be applied to all kinds of cold rolling mill units.
Background technology
The single chassis reversable cold-rolling machine is when rolling pass is switched, when mill speed is lower than 4m/s (backflow of emulsified liquid with low inertia force), there is the emulsion that is used for rolling lubrication in a large number to reflux to entrance side, cause the taking the lead of finished product coil of strip, magnetic tape trailer partly to have a large amount of emulsion residue things, not only reduce the lumber recovery of cold-rolled products, and increased the consumption of ROLLING OIL.Adopt traditionally in the inlet and the exit of milling train and set up squeeze roll, as shown in Figure 1, with the backflow of squeeze roll blocking-up emulsion.In Fig. 1, the inlet squeeze roll 3 of porch can get rid of the emulsion that refluxes in the frame to inlet in extracting process, influences the operate as normal of calibrator, simultaneously, because the emulsion that throws away is inconvenient to collect, therefore causes the emulsion consumption to increase.At outlet side,, cause plate shape control difficulty because the input of outlet squeeze roll 5 has changed the tension distribution between outlet coiling machine and frame.
Summary of the invention
The object of the present invention is to provide a kind of blocking-up method of simple backflow of emulsified liquid with low inertia force.
To achieve these goals, technical scheme that the present invention adopts is: the blocking-up method of backflow of emulsified liquid with low inertia force is characterized in that it comprises the steps:
1) entrance side at cold-rolling mill is provided with rubber flap (between inlet coiling machine and inlet cooling-lubricant spray beam), and the rubber flap of entrance side is positioned at the top of band steel by line; Outlet side at cold-rolling mill is provided with rubber flap, and the rubber flap of outlet side is positioned at the top of band steel by line;
2) after milling train has switched rolling pass, when the mill speed of cold-rolling mill is lower than 4m/s, the rubber flap of entrance side is put down, be pressed against band steel upper surface, reflux with the blocking-up emulsion; When the mill speed of cold-rolling mill 〉=4m/s, the rubber flap of entrance side promoted leave band steel upper surface; In this process, the rubber flap of outlet side is in all the time and lifts the position.
Do not increasing the machine group length, do not influencing under the prerequisite of correlation function realization, a kind of method that stops emulsion to reflux when the low speed rolling situation is being provided.At first according to field experiment, obtained the interrelated relation between emulsion backflow and mill speed, emulsion expulsion pressure, the emulsion backflow distance, draw low-inertia force and only reflux and the mill speed negative correlation, when mill speed was higher than 4m/s, the low-inertia force backflow phenomenon disappeared.Therefore, the present invention determines that at first the strategy of backflow blocking-up is: adopt the Wiper blade mode to block the backflow emulsion under low speed (mill speed is lower than 4m/s) situation, under high-speed case, the band steel will be brought emulsion into roll gap by effect of inertia, not need to take additional means to handle the backflow emulsion.
The invention has the beneficial effects as follows: method is simple, and the emulsion in the time of can stoping the milling train low speed rolling refluxes.
Description of drawings
Fig. 1 is a conventional emulsification liquid reflow treatment conceptual scheme;
Fig. 2 is a principle schematic of the present invention;
Fig. 3 is the front view of low-inertia force emulsion backflow obstruction device of the present invention;
Fig. 4 is the right view of Fig. 3;
Among the figure: 1-uncoiler, the 2-coiling machine that enters the mouth, the 3-squeeze roll that enters the mouth, 4-inlet cooling-lubricant spray beam, 5-exports squeeze roll, 6-coiling machine, the low-inertia force emulsion backflow obstruction device of 7-entrance side, the anti-guide plate that twines of 8-inlet, the anti-guide plate that twines of 9-outlet, the low-inertia force emulsion backflow obstruction device of 10-outlet side, 11-right plate, the right clamp nut of 12-, the right base plate of 13-, 14-encoder, 15-motor, the 16-first turbine and worm device, 17-connecting rod, 18-left side friction top, 19-left side roller seat, 20-ground roll, 21-chute body, the last liner plate of 22-, liner plate under the 23-, 24-rubber flap, the 25-second turbine and worm device, the 26-left bottom plate, the 27-left plate.Arrow among the figure is represented rolling direction.
The specific embodiment
The blocking-up method of backflow of emulsified liquid with low inertia force, it comprises the steps:
1) set into the low-inertia force emulsion backflow obstruction device 7 (between inlet coiling machine 2 and the inlet cooling-lubricant spray beam 4) of oral-lateral at the entrance side of cold-rolling mill, the rubber flap of the low-inertia force emulsion backflow obstruction device 7 of entrance side is positioned at is with the top of steel by line; Set out the low-inertia force emulsion backflow obstruction device 10 of oral-lateral at the outlet side of cold-rolling mill, the rubber flap of the low-inertia force emulsion backflow obstruction device of outlet side is positioned at the top of band steel by line;
2) after milling train has switched rolling pass, when the mill speed of cold-rolling mill is lower than 4m/s, the rubber flap of the low-inertia force emulsion backflow obstruction device 7 of entrance side is put down, be pressed against band steel upper surface, reflux with the blocking-up emulsion; When the mill speed of cold-rolling mill 〉=4m/s, the rubber flap of the low-inertia force emulsion backflow obstruction device 7 of entrance side promoted leave band steel upper surface; In this process, the rubber flap of the low-inertia force emulsion backflow obstruction device of outlet side is in all the time and lifts position (being positioned at the top of band steel upper surface).
The rubber flap of outlet side drops into when second passage rolling (rolling direction is opposite with first passage), input speed is identical with first passage (when the mill speed of cold-rolling mill is lower than 4m/s, with outlet side the rubber flap of low-inertia force emulsion backflow obstruction device 7 put down, be pressed against band steel upper surface, reflux with the blocking-up emulsion; When the mill speed of cold-rolling mill 〉=4m/s, with outlet side the rubber flap of low-inertia force emulsion backflow obstruction device 7 promote leave band steel upper surface).
When the band steel be in as shown in Figure 2 just the process of rolling begins the time, inlet cooling-lubricant spray beam (entrance side working roll spray beam) 4 to rolling deformation area spray emulsion to satisfy the rolling lubrication demand.When milling train has switched rolling pass, begin when rolling, because speed is lower, backflow phenomenon is serious.At this moment, the rubber flap of entrance side is put down, be pressed against band steel upper surface, reflux, avoid causing inlet calibrator measure error with the blocking-up emulsion.Along with mill speed increases gradually, emulsion is taken back in the frame under the inertia force effect, and then can promote the rubber flap of entrance side this moment.Simultaneously,, promote barrier effect, when mill speed is lower than 4m/s, the emulsion flow control mode is set and mill speed positive correlation for the emitted dose of the emulsion when reducing low speed in order further to reduce required power.
Realize the low-inertia force emulsion backflow obstruction device of said method, shown in Fig. 3,4, it comprises lowering or hoisting gear, support, last liner plate 22, following liner plate 23, connecting bolt, rubber flap 24, support is fixed on (lowering or hoisting gear drives the support lifting) on the lowering or hoisting gear, support is provided with chute, the upper end of following liner plate 23 is provided with slide block, slide block is positioned at chute, the upper end of rubber flap 24 is between last liner plate 22 and following liner plate 23, and last liner plate 22, rubber flap 24 and following liner plate 23 are fixedlyed connected by connecting bolt that (rubber flap 24 can liftings; And the energy move left and right, adjust position, the left and right sides with the band steel).
Described lowering or hoisting gear comprises motor 15, the first turbine and worm device 16, connecting rod 17, the second turbine and worm device 25 of being with encoder 14, the output shaft of motor 15 is linked to each other by the rotation power shaft of shaft coupling with the first turbine and worm device 16, the rotating output shaft of the first turbine and worm device 16 is linked to each other by the right-hand member of shaft coupling with connecting rod 17, and the left end of connecting rod 17 is linked to each other by the rotation power shaft of shaft coupling with the second turbine and worm device 25; The elevating lever of the first turbine and worm device 16 is fixedlyed connected with the right base plate 13 of support by right clamp nut 12, and the elevating lever of the second turbine and worm device 25 is fixedlyed connected with the left bottom plate 26 of support by left clamp nut.
Described support comprises right plate 11, right base plate 13, chute body 21, left friction top 18, right friction top, left bottom plate 26, left plate 27, chute body 21 is provided with chute (slide block of the upper end of following liner plate 23 is positioned at chute), the right-hand member of chute body 21 is fixedlyed connected with right base plate 13 by right friction top that (right-hand member of chute body 21 inserts in the right friction top, right friction top is fixedlyed connected with right base plate 13), the left end of chute body 21 is fixedlyed connected (left end of chute body 21 inserts in the left friction top, and left friction top is fixedlyed connected with left bottom plate 26) by left friction top 18 with left bottom plate 26; Fixedlying connected with right base plate 13 (as welding) in the upper end of right plate 11, fixedlys connected with left bottom plate 26 (as welding) in the upper end of left plate 27.
Be provided with ground roll 20 between described right plate 11 and the left plate 27, the right-hand member of ground roll 20 is linked to each other with right roller seat on the right plate 11 by bearing, and the left end of ground roll 20 is by bearing link to each other with left roller seat 19 on the left plate 27 (ground roll 20 can rotate).
The rubber flap of the low-inertia force emulsion backflow obstruction device of entrance side is called the vulcanite scraper of entrance side, and the rubber flap of the low-inertia force emulsion backflow obstruction device of outlet side is called the vulcanite scraper of outlet side.
The application of low-inertia force emulsion backflow obstruction device: as shown in Figure 2, the emulsion when the present invention adopts the rubber flap mode to stop the milling train low speed rolling refluxes.
After milling train has switched rolling pass, the rubber flap 24 of entrance side low-inertia force emulsion backflow obstruction device drives and presses to belt steel surface at motor 15, turbine and worm device 16, and the depression stroke of rubber flap 24 is controlled by the encoder 14 that motor carries.After affirmation rubber flap 24 was depressed and put in place, milling train starting beginning was rolling, and emulsion and velocity correlation begin to drop into rolling.When refluxing appearred in emulsion, rubber flap 24 stoped emulsion to reflux, and guarantees the normally rolling of unit.When mill speed further raises, emulsion is gone into frame by the band steel band of high-speed rolling under the inertia force effect, when unit raised speed 4m/s, the rubber flap 24 of entrance side low-inertia force emulsion backflow obstruction device lifted under driving automatically at motor 15, turbine and worm device 16.In this process, the rubber flap of outlet side low-inertia force emulsion backflow obstruction device is in all the time and lifts the position.Ground roll 20 protects rubber flap not broken when broken belt appears in unit.

Claims (1)

1. the blocking-up method of backflow of emulsified liquid with low inertia force is characterized in that it comprises the steps:
1) entrance side at cold-rolling mill is provided with rubber flap, and the rubber flap of entrance side is positioned at the top of band steel by line; Outlet side at cold-rolling mill is provided with rubber flap, and the rubber flap of outlet side is positioned at the top of band steel by line;
2) after milling train has switched rolling pass, when the mill speed of cold-rolling mill is lower than 4m/s, the rubber flap of entrance side is put down, be pressed against band steel upper surface, reflux with the blocking-up emulsion; When the mill speed of cold-rolling mill 〉=4m/s, the rubber flap of entrance side promoted leave band steel upper surface; In this process, the rubber flap of outlet side is in all the time and lifts the position.
CN 201010161064 2010-04-27 2010-04-27 Method for blocking backflow of emulsified liquid with low inertia force Pending CN101829682A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201010161064 CN101829682A (en) 2010-04-27 2010-04-27 Method for blocking backflow of emulsified liquid with low inertia force
PCT/CN2010/074485 WO2011134193A1 (en) 2010-04-27 2010-06-25 Method for blocking low-inertia backflow of emulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010161064 CN101829682A (en) 2010-04-27 2010-04-27 Method for blocking backflow of emulsified liquid with low inertia force

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CN101829682A true CN101829682A (en) 2010-09-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134194A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Emulsion blocking device for low inertia force backflow
CN102284495A (en) * 2011-08-18 2011-12-21 中冶南方工程技术有限公司 Water mist pinch pass rolling process in cold rolling wet pinch pass rolling production
CN102728632A (en) * 2012-05-25 2012-10-17 莱芜钢铁集团有限公司 Method for reducing emulsion black spots on surface of cold rolling product
CN104998918A (en) * 2015-07-15 2015-10-28 中冶陕压重工设备有限公司 Emulsified liquid residue blowdown and conversion device of reversing cold mill
CN110891702A (en) * 2017-07-24 2020-03-17 首要金属科技奥地利有限责任公司 Roller frame with frame cooler for cooling steel strip
CN113646103A (en) * 2019-04-09 2021-11-12 丹尼尔和科菲森梅克尼齐有限公司 Process for cold rolling aluminium products and relative cold rolling installation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016212967A1 (en) * 2016-06-17 2017-12-21 Sms Group Gmbh Arrangement for processing a slab or a strip

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US4552003A (en) * 1983-08-08 1985-11-12 Atlantic Richfield Company Lubricant removal system for a cold rolling mill
CN201304400Y (en) * 2008-11-28 2009-09-09 宁波奇亿金属有限公司 Device for cleaning oil stain on the surface of steel plate
CN101607269A (en) * 2009-07-13 2009-12-23 常熟华冶薄板有限公司 The emulsion remained removal device of the belt steel surface of used for cold rolling mill
CN201432012Y (en) * 2009-06-22 2010-03-31 新疆八一钢铁股份有限公司 Steel strip emulsion isolating device

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JP2001137936A (en) * 1999-11-16 2001-05-22 Kawasaki Steel Corp Method for cold-rolling metallic strip and reversing cold strip mill
CN101829693B (en) * 2010-04-27 2011-11-09 中冶南方工程技术有限公司 Blowing-free emulsion residue removal method

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US4477287A (en) * 1983-02-08 1984-10-16 Kaiser Aluminum & Chemical Corporation Liquid removal device
US4552003A (en) * 1983-08-08 1985-11-12 Atlantic Richfield Company Lubricant removal system for a cold rolling mill
CN201304400Y (en) * 2008-11-28 2009-09-09 宁波奇亿金属有限公司 Device for cleaning oil stain on the surface of steel plate
CN201432012Y (en) * 2009-06-22 2010-03-31 新疆八一钢铁股份有限公司 Steel strip emulsion isolating device
CN101607269A (en) * 2009-07-13 2009-12-23 常熟华冶薄板有限公司 The emulsion remained removal device of the belt steel surface of used for cold rolling mill

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134194A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Emulsion blocking device for low inertia force backflow
CN102284495A (en) * 2011-08-18 2011-12-21 中冶南方工程技术有限公司 Water mist pinch pass rolling process in cold rolling wet pinch pass rolling production
CN102284495B (en) * 2011-08-18 2014-08-13 中冶南方工程技术有限公司 Water mist pinch pass rolling process in cold rolling wet pinch pass rolling production
CN102728632A (en) * 2012-05-25 2012-10-17 莱芜钢铁集团有限公司 Method for reducing emulsion black spots on surface of cold rolling product
CN102728632B (en) * 2012-05-25 2014-05-28 莱芜钢铁集团有限公司 Method for reducing emulsion black spots on surface of cold rolling product
CN104998918A (en) * 2015-07-15 2015-10-28 中冶陕压重工设备有限公司 Emulsified liquid residue blowdown and conversion device of reversing cold mill
CN104998918B (en) * 2015-07-15 2017-01-25 中冶陕压重工设备有限公司 Emulsified liquid residue blowdown and conversion device of reversing cold mill
CN110891702A (en) * 2017-07-24 2020-03-17 首要金属科技奥地利有限责任公司 Roller frame with frame cooler for cooling steel strip
CN110891702B (en) * 2017-07-24 2021-10-15 首要金属科技奥地利有限责任公司 Roller frame with frame cooler for cooling steel strip
US11331704B2 (en) 2017-07-24 2022-05-17 Primetals Technologies Austria GmbH Roller framework having a framework cooler for cooling a steel band
US11712725B2 (en) 2017-07-24 2023-08-01 Primetals Technologies Austria GmbH Roller framework having a framework cooler for cooling a steel band
CN113646103A (en) * 2019-04-09 2021-11-12 丹尼尔和科菲森梅克尼齐有限公司 Process for cold rolling aluminium products and relative cold rolling installation

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Open date: 20100915