CN104209326A - Emulsion partitioning device used in leveling and cold rolling unit - Google Patents
Emulsion partitioning device used in leveling and cold rolling unit Download PDFInfo
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- CN104209326A CN104209326A CN201410457646.2A CN201410457646A CN104209326A CN 104209326 A CN104209326 A CN 104209326A CN 201410457646 A CN201410457646 A CN 201410457646A CN 104209326 A CN104209326 A CN 104209326A
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- emulsion
- partition panel
- emulsion partition
- hydraulic cylinder
- telescopic hydraulic
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Abstract
The invention relates to an emulsion partitioning device used in a leveling and cold rolling unit. The emulsion partitioning device comprises an emulsion partition panel, a scraper, a flow guide plate, a splash-proof baffle, a flow guide groove, a chute and a telescopic hydraulic cylinder; the telescopic hydraulic cylinder is connected with the emulsion partition panel; the scraper is arranged below the front end of the emulsion partition panel; the splash-proof baffle and the flow guide groove are fixedly formed between mill housings at a driving side and an operating side and form seal together with the mill housings; the flow guide plate is fixed on the emulsion partition panel and is positioned below the emulsion partition panel; the chute is fixed on the mill housings; the telescopic hydraulic cylinder drives the emulsion partition panel to slide in the chute; when the emulsion partition panel extends out, the scraper is in contact with a working roll. The device disclosed by the invention not only can be used for emulsion blocking in a rolling mode so as to prevent emulsion from falling onto the surface of a band steel and entering a roll gap of the working roll, improve stability of lubrication of the roll gap, reduce the band breakage risk and improve panel quality, but also can be used for dust suction of the roll gap when the unit is in a leveling mode so as to reduce metal dust pollution and panel chromatic aberration.
Description
Technical field
The present invention relates to cold rolling technology field, more particularly, relate to a kind of for the emulsion partition apparatus in smooth double cold mill complex.
Background technology
Smooth cold rolling dual purpose unit of holding concurrently is mainly used in the production of uncoated tinplate base.Stand Mill secondary cold-rolling pattern is often adopted to produce when producing secondary cold-rolling tinning original plate DR7 ~ DR10 product; When production once cold rolling uncoated tinplate base T1 ~ T5 product, normal employing Stand Mill is done smooth pattern and is produced.
There is following technical barrier in the production of secondary cold-rolling tinning original plate: 1) during production paper-thin strip (0.08 ~ 0.35mm), require that the isoparametric control accuracy of the roll-force of unit, tension force, mill speed is high, roll gap lubrication is in stable condition; 2) in order to improve board surface quality, the cleaning of roll gap lubrication emulsion must be ensured.Due to high trade mark secondary cold-rolling product single pass reduction ratio large (30 ~ 40%), need extraordinary lubricant effect, secondary cold-rolling unit often adopts entrance high concentration directly to spray the emulsion mode of lubrication+outlet low concentration roll rolipass design.Straight spray emulsion does not recycle, and cleanliness factor is high, and cooling fluid is the emulsion (comprise recovery and directly spray emulsion) that cycle reclaims, containing certain impurity.In order to ensure that lubricating status is stablized, must prevent outlet cooling fluid from directly spraying emulsion with entrance high concentration and mix, guarantee enter roll gap concentration of emulsion used stable while the cleaning of guarantee emulsion.For this problem, the conventional mode adopting entrance layout compressed air to purge beam prevents outlet cooling fluid from entering entrance.Not only energy consumption is high for the method, plugging effect is poor, but also can cause emulsion be splashed to outlet belt steel surface cause finished strip Coolant Stains defect.
The difficult problem that once cold rolling uncoated tinplate base Stand Mill does smooth pattern is the problem of metallic dust process.Metallic dust not only contaminated environment and also can stick to belt steel surface cause plate complexion difference etc. defect.Conventional method mainly relies on the dedust air duct of upper rack transmission side to carry out dust suction, and inlet scoop is away from dust source of generation, and pick-up performance is poor.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of for the emulsion partition apparatus in smooth double cold mill complex, can prevent emulsion splashing, crossfire, improves stability and the product board surface quality of roll gap lubrication.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of for the emulsion partition apparatus in smooth double cold mill complex, comprise emulsion partition panel, scraper, deflector, splash guard, water conservancy diversion groove, chute and telescopic hydraulic cylinder, described telescopic hydraulic cylinder is connected with described emulsion partition panel, described scraper is arranged on below the front end of described emulsion partition panel, described splash guard, water conservancy diversion groove is fixedly mounted between transmission side and fore side mill housing, formed closed together with mill housing, described deflector to be fixed on described emulsion partition panel and to be positioned at below it, described chute is fixed on mill housing, described telescopic hydraulic cylinder drives described emulsion partition panel to slide in chute, when described emulsion partition panel stretches out, described scraper contacts with working roll.
In such scheme, described telescopic hydraulic cylinder is arranged on crossbeam by bearing pin, and described crossbeam is fixed on mill housing.
In such scheme, described telescopic hydraulic cylinder rear portion is provided with Linear displacement transducer.
In such scheme, described emulsion partition panel front end is also provided with pump orifice, and described pump orifice is connected with dedusting fan.
In such scheme, described pump orifice is connected with described dedusting fan with fixing dust suction airduct by the dust suction airduct of extension type.
Implement of the present invention for the emulsion partition apparatus in smooth double cold mill complex, there is following beneficial effect:
Under secondary cold-rolling production model, make emulsion partition panel move to the operating position of setting, ensure that the scraper of head contacts with working roll.The cooling emulsion exporting and splash and come is blocked by splash guard, the cooling emulsion that major part is dripped is made to be diverted to outside band steel by water conservancy diversion groove, prevent the cooling fluid of adhering on the work rolls from entering roll gap along with working roll rotates by scraper, pass through deflector, prevent part cooling fluid from dropping onto strip steel at entry, after mixing with the straight hydrojet of high concentration, enter roll gap.Improve the stability of roll gap lubrication, reduce broken belt risk, improve board surface quality.
When arranging pump orifice and dedusting fan, under dry smooth production model, emulsion partition panel keeps retracted mode, and dedusting fan starts, and make pump orifice produce negative pressure, suction entrance, particularly working roll and upper intermediate calender rolls grind the metallic dust produced.Reduce dust pollution, improve board surface quality.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of the present invention when stretching out for the emulsion partition apparatus in smooth double cold mill complex;
The front view of Fig. 2 when to be the present invention retract for the emulsion partition apparatus in smooth double cold mill complex;
Fig. 3 is the top view of the present invention for the emulsion partition apparatus in smooth double cold mill complex.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
See Fig. 1-Fig. 3, of the invention process is a kind ofly comprise emulsion partition panel 17, scraper 11, deflector 16, splash guard 6, water conservancy diversion groove 7, chute 15, telescopic hydraulic cylinder 5, pump orifice, dedusting fan for the emulsion partition apparatus in smooth double cold mill complex.
Splash guard 6, water conservancy diversion groove 7 are fixedly mounted between transmission side and fore side mill housing 1, formed and close together with mill housing 1.Side mill housing 1 is provided with emulsion injection beam 2 and cooling fluid spray beam 9.
Emulsion partition panel 17 can in chute 15 slide anteroposterior, each one of chute 15 transmission side, fore side, is bolted on mill housing 1.
Emulsion partition panel 17 is connected with telescopic hydraulic cylinder 5, realizes moving forward and backward by telescopic hydraulic cylinder 5.Hydraulic cylinder 5 rear portion is provided with Linear displacement transducer, for realizing the accurate control of emulsion partition panel 17 position.Accurate adjustment need be carried out according to the roller footpath size of working roll 13 in the position of emulsion partition panel 17.The top of working roll 13 is upper intermediate calender rolls 10 and top backing up roll 8.
Telescopic hydraulic cylinder 5 is arranged on crossbeam 4 by bearing pin, and telescopic hydraulic cylinder 5 can rotate around crossbeam 4 certain angle.Crossbeam 4 is fixed by screws on mill housing 1.
Deflector 16 is fixed by screws on emulsion partition panel 17, can move forward and backward with emulsion partition panel 17.Deflector 16 and water conservancy diversion groove 7 have larger lap, ensure that deflector 16 also can block cooling emulsion completely and prevent from dropping onto strip steel at entry surface when stretching out state.
Pump orifice is arranged on emulsion partition panel 17 front end, and scraper 11 is installed in bottom.Scraper 11 adopts special super abrasive, thermostable fluorine rubber, hardness range HS80 ~ 85.
Pump orifice is connected with fixing dust suction airduct 14 by the dust suction airduct 3 of two sections of extension types, and fixing dust suction airduct 14 is connected with dedusting fan.Under secondary cold-rolling production model, the dust suction airduct 3 of extension type stretches out along with emulsion partition panel 17 and extends.Under dry smooth pattern, emulsion partition panel 17 keeps retracted mode, and dedusting fan starts, and pump orifice place can be made to occur negative pressure, produces suction.
Under secondary cold-rolling production model, the roller cooling liquid crossfire preventing milling train from exporting by emulsion partition panel 17 enters working roll 13 roll gap after the straight hydrojet of entrance and high concentration mixes, and improves the stability of roll gap lubrication, reduces broken belt risk, improves board surface quality.Be specially: blocked by splash guard 5 and spray the cooling emulsion of splashing and coming by outlet cooling fluid spray beam 9; The cooling emulsion that major part is dripped is made to be diverted to outside band steel by water conservancy diversion groove 7; Emulsion partition panel 17 stretches out, and the scraper 11 of head contacts with working roll 13, prevents the cooling fluid be attached on working roll 13 from entering roll gap along with working roll 13 rotates; Deflector 16 stretches out along with liquid partition apparatus 17, prevents part cooling fluid from dropping onto strip steel at entry 12, enters roll gap after the straight hydrojet of the high concentration ejected mixes with emulsion injection beam 2.
Under dry smooth production model, by roll gap dust exhaust apparatus, reduce dust pollution, improve board surface quality.Be specially: emulsion partition panel 17 bottom is the pump orifice of metallic dust, alignment work roller 13 and upper intermediate calender rolls 10 roll gap, the negative-pressure ward entrance that pump orifice is produced by dedusting fan, particularly working roll 13 and upper intermediate calender rolls 10 grind the metallic dust produced.
The process of this method is: under secondary cold-rolling production model, what the roller footpath size according to actual working roll 13 drew telescopic oil cylinder 5 by computing formula stretches out stroke, position control is realized by the travel feedback of the Linear displacement transducer at telescopic oil cylinder 5 rear portion, make emulsion partition panel 17 move to the operating position of setting, ensure that the scraper 11 of head contacts with working roll 13.Blocked by splash guard 6 and sprayed and the cooling emulsion of splashing by outlet cooling fluid spray beam 9, the cooling emulsion that major part is dripped is made to be diverted to outside band steel 1 by water conservancy diversion groove, prevent the cooling fluid be attached on working roll 13 from entering roll gap along with working roll 13 rotates by scraper 11, by deflector 16, prevent part cooling fluid from dropping onto strip steel at entry 12, after the straight hydrojet of the high concentration ejected mixes, enter roll gap with emulsion injection beam 2.Improve the stability of roll gap lubrication, reduce broken belt risk, improve board surface quality; Under dry smooth production model, emulsion partition panel 17 keeps retracted mode, and dedusting fan starts, and makes pump orifice produce negative pressure, suction entrance, particularly working roll 13 and upper intermediate calender rolls 10 grind the metallic dust produced, and reduce dust pollution, reduce plate face chromatic aberration defect, improve the quality of products.
The emulsion that apparatus of the present invention can be used for rolling mode intercepts, and prevents emulsion from dropping to belt steel surface and enters working roll roll gap, improves the stability of roll gap lubrication, reduces broken belt risk, improves board surface quality; The roll gap dust suction that unit does smooth pattern can be used for again, reduce metallic dust pollute and plate complexion poor.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (5)
1. one kind for the emulsion partition apparatus in smooth double cold mill complex, it is characterized in that, comprise emulsion partition panel, scraper, deflector, splash guard, water conservancy diversion groove, chute and telescopic hydraulic cylinder, described telescopic hydraulic cylinder is connected with described emulsion partition panel, described scraper is arranged on below the front end of described emulsion partition panel, described splash guard, water conservancy diversion groove is fixedly mounted between transmission side and fore side mill housing, formed closed together with mill housing, described deflector to be fixed on described emulsion partition panel and to be positioned at below it, described chute is fixed on mill housing, described telescopic hydraulic cylinder drives described emulsion partition panel to slide in chute, when described emulsion partition panel stretches out, described scraper contacts with working roll.
2. according to claim 1ly it is characterized in that for the emulsion partition apparatus in smooth double cold mill complex, described telescopic hydraulic cylinder is arranged on crossbeam by bearing pin, and described crossbeam is fixed on mill housing.
3. according to claim 1ly it is characterized in that for the emulsion partition apparatus in smooth double cold mill complex, described telescopic hydraulic cylinder rear portion is provided with Linear displacement transducer.
4. according to claim 1ly it is characterized in that for the emulsion partition apparatus in smooth double cold mill complex, described emulsion partition panel front end is also provided with pump orifice, and described pump orifice is connected with dedusting fan.
5. according to claim 4ly it is characterized in that for the emulsion partition apparatus in smooth double cold mill complex, described pump orifice is connected with described dedusting fan with fixing dust suction airduct by the dust suction airduct of extension type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457646.2A CN104209326B (en) | 2014-09-10 | 2014-09-10 | Emulsion partition apparatus in smooth double cold mill complex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457646.2A CN104209326B (en) | 2014-09-10 | 2014-09-10 | Emulsion partition apparatus in smooth double cold mill complex |
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| Publication Number | Publication Date |
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| CN104209326A true CN104209326A (en) | 2014-12-17 |
| CN104209326B CN104209326B (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410457646.2A Active CN104209326B (en) | 2014-09-10 | 2014-09-10 | Emulsion partition apparatus in smooth double cold mill complex |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19535168A1 (en) * | 1995-09-22 | 1997-03-27 | Schloemann Siemag Ag | Device for keeping cold strip dry in the outlet of cold rolling and strip lines |
| CN101823077A (en) * | 2010-04-27 | 2010-09-08 | 中冶南方工程技术有限公司 | Progressive diversion splash baffle |
| CN102671965A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active airflow field controlled plate surface cleaning device for single stand cold rolling |
| CN202779212U (en) * | 2012-05-04 | 2013-03-13 | 中冶南方工程技术有限公司 | Active airflow field control type five-rack cold rolling tandem rolling board cleaning device |
| CN204182680U (en) * | 2014-09-10 | 2015-03-04 | 中冶南方工程技术有限公司 | For the emulsion partition apparatus in smooth double cold mill complex |
-
2014
- 2014-09-10 CN CN201410457646.2A patent/CN104209326B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19535168A1 (en) * | 1995-09-22 | 1997-03-27 | Schloemann Siemag Ag | Device for keeping cold strip dry in the outlet of cold rolling and strip lines |
| CN101823077A (en) * | 2010-04-27 | 2010-09-08 | 中冶南方工程技术有限公司 | Progressive diversion splash baffle |
| CN102671965A (en) * | 2012-05-04 | 2012-09-19 | 中冶南方工程技术有限公司 | Active airflow field controlled plate surface cleaning device for single stand cold rolling |
| CN202779212U (en) * | 2012-05-04 | 2013-03-13 | 中冶南方工程技术有限公司 | Active airflow field control type five-rack cold rolling tandem rolling board cleaning device |
| CN204182680U (en) * | 2014-09-10 | 2015-03-04 | 中冶南方工程技术有限公司 | For the emulsion partition apparatus in smooth double cold mill complex |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104209326B (en) | 2016-09-21 |
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