EP3500378A1 - Stripping device for a roll stand - Google Patents
Stripping device for a roll standInfo
- Publication number
- EP3500378A1 EP3500378A1 EP17737289.3A EP17737289A EP3500378A1 EP 3500378 A1 EP3500378 A1 EP 3500378A1 EP 17737289 A EP17737289 A EP 17737289A EP 3500378 A1 EP3500378 A1 EP 3500378A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- scraper
- main body
- base body
- roller
- felt layer
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 39
- 238000003825 pressing Methods 0.000 claims description 22
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 14
- 238000007789 sealing Methods 0.000 description 12
- 239000000110 cooling liquid Substances 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
Definitions
- the invention relates to a stripping device for a rolling stand
- Roll stands for rolling rolling stock have rolls which are cooled with a cooling liquid, usually with cooling water. To prevent too much cooling liquid on the rolling stock and / or in a roll gap through which the
- Rolling material is passed between two rollers passes, are used AbstreifVorraumen, is stripped by the cooling liquid from the roll surfaces of the rolls.
- EP 2 079 553 B1 discloses a rolling stand with supporting and / or work rolls, at least one rolling beam arranged between chocks of one of the rolls, an inlet / outlet guide arranged adjacent to the rolling beam for a
- Cooling water or the like e.g. Cooling water or the like, as well as a
- CN 204448819 U discloses a stripper plate for a
- the stripper plate is made of a felt layer, an iron support plate and a base plate
- EP 2 384 829 A1 discloses a method for removing coolant and / or lubricant from rolls of a roll stand, wherein on one inlet side and / or one outlet side of the roll stand at least one stripping device with a scraping edge with contact pressure against a roll surface of a work roll or the work roll resting in the roll stand supportive roll.
- DE 100 49 032 AI discloses a roll stand with support and / or work rolls, a arranged between the work roll chocks, the upper roll associated rolling beam at the lower roll circumference and a roll bar mounted on the water scraper, which can be adjusted from the outside by adjusting against the roll surface is.
- JP 2016 107303 A discloses a scraper for stripping cooling water from a roll in a steel mill.
- the scraper has a abrading plate for abrading the roll surface.
- abrading plate In the abrading plate are
- Abrasive grains evenly distributed in a nonwoven fabric.
- a water-repellent material for stripping the cooling water is laminated.
- the invention has for its object to provide an improved stripping device for a rolling stand.
- the object is achieved by the features of claim 1.
- the scraper carrier arranged scraper.
- the scraper comprises a made of a fiber-plastic composite body with a base bottom, which on the
- Abstreifer rests, and a felt layer, which on one of the base body bottom opposite
- the stripping device allows on the one hand by the
- the structure of the scraper of a main body and a felt layer also allows both the main body and the felt layer as seals for stripping and
- Roll surface reaches the rolling stock and / or in a nip between two rolls of the rolling mill and in particular the effect of applied there to the lubricant
- the felt layer is similar by its flexibility and
- Base body has a main body front side, of the base body underside at an angle to the
- a further embodiment of the invention provides that the felt layer with the main body top, for example, by a two-component epoxy adhesive bonded is. This embodiment of the invention advantageously prevents a shift of the felt layer relative to the base body.
- Scraper upper side of the scraper extend, and that the scraper carrier is connected to the scraper by means of connecting elements which are each guided by a Abstreif VogelsEnglishung and connected to the Abstreifer uman.
- the connecting elements are for example screws or
- Abstreiferlessness advantageous not be removed, but it must be loosened only the connections of the connecting elements with the Abstreiferities to deduct the scraper of the scraper carrier can. This advantageously facilitates replacement of the scraper, for example in the event of a defect or wear of the scraper.
- a further embodiment of the invention provides that the fiber-plastic composite is a composite of glass filament fabric and epoxy resin.
- a composite of glass filament and epoxy resin advantageously allows a high
- a further embodiment of the invention provides that the felt layer has a density of at least 320 kg / m 3 f
- a rolling stand according to the invention comprises a roller, a stripping device according to the invention and a
- Pressing device for pressing a main body front side of the main body to a roll surface of the roller.
- Felt layer has a roller facing the felt layer front side, which abuts the roller surface on the roller surface when pressing the main body front side. Since the felt layer front side immediately after pressing the
- Production time can be increased with a good lubricating effect of a lubricant for lubricating the contact of the roller with the rolling stock, or the cooling liquid can be kept away from the rolling stock already during rolling at the beginning or after an interruption of the rolling process.
- the pressing device has a pivotably mounted pivot arm for approaching the AbstreifVorraum to the roller and / or a hydraulic or pneumatic drive for pressing the main body front side of the roll surface.
- FIG. 1 shows schematically a roll stand with a roller, a first embodiment of a stripping orcardi and a pressing device
- FIG. 2 shows a plan view of a scraper of a second
- FIG. 4 shows a side view of the scraper shown in Figures 2 and 3 and a roll of a rolling mill on which the scraper rests.
- the rolling stand 1 shows schematically a rolling stand 1 for rolling a rolling stock 3.
- the rolling stand 1 comprises two rolls 5, 6 designed as work rolls and for at least one roll 5 a stripping device 7 and a pressing device 9.
- the rolls 5, 6 are separated from each other by a roll gap 11
- the stripping device 7 comprises a scraper carrier 15 and one arranged on the scraper carrier 15
- the scraper 17 comprises a base body 19 and a felt layer 21.
- the base body 19 is made of a fiber-plastic composite, preferably a heat resistance up to an upper service temperature above at least 80 ° C, preferably above 120 ° C. , and a high one Has dimensional stability.
- the fiber-plastic composite is a composite of glass filament fabric and epoxy resin.
- the main body 19 has a
- Felt layer 21 is arranged on. Furthermore, the
- Base body 19 a main body front side 27 which is angled from the base body bottom 23 at an acute angle of attack 29 to the main body top 25 out.
- the felt layer 21 is bonded to the main body upper side 25 by a bonding layer 31, which is formed, for example, by a two-component epoxy resin adhesive.
- the felt layer 21 is made, for example, from an industrial felt and preferably has at least one felt hardness Fl, preferably at least H2, according to DIN 61200 or a bulk density of at least 320 kg / m 3 , preferably of more than 520 kg / m 3 .
- the felt layer 21 covers the
- Main body top 25 completely.
- the scraper carrier 15 is connected to the scraper 17 through
- Connecting elements 33 are connected, each by a not visible in Figure 1 AbstreifrungsEnglishung 35 in one of the main body front side 27 opposite
- Screws or pins with voltage applied to the felt layer 21 screw or pin heads Screws or pins with voltage applied to the felt layer 21 screw or pin heads.
- Screw or pin heads also on a arranged on the felt layer 21 holding plate or the main body top 25 abut, wherein in the second alternative
- Felt layer 21 has recesses for the screw or pin heads.
- the pressing device 9 has a swivel arm 41, which is mounted pivotably about a pivot axis 39 and is intended to approach the swivel arm 41
- the pivot arm 41 is rigidly connected to the Abstreiferis 15 and pivotable by the drive 43.
- the scraper 17 extends over at least part of the width of the roller 5 parallel to a roller rotation axis 49 of the roller 5, d. H. perpendicular to the plane of the figure 1.
- the scraper 17 is pressed by the drive 43, for example, with a force of at least one Newton per millimeter scraper length, the scraper length an extension of the scraper 17 parallel to the
- Roller rotation axis 49 is.
- Roll surface 45 acts on the main body front side 27 as a seal for stripping and discharging cooling liquid, which is used to cool the roller 5 on the roll surface 45th
- Rolling gap 11 passes and in particular the effect of there applied lubricant for lubricating the contact of the
- Felt layer front side 47 acts as an additional seal for stripping and draining coolant from the
- the suction of the felt layer 21 supports their
- the felt layer 21 is similar by its flexibility and elasticity radius variations of the roller 5 along its width and circumference and manufacturing tolerances of
- Basic body front side 27 made, the sealing effect of
- FIGS. 2 and 3 show a scraper 17 of a second exemplary embodiment of a stripping device 7.
- FIG. 2 shows a plan view of an end section of the stripping device
- Scraper 17 and Figure 3 shows a sectional view of the scraper 17 in a sectional plane III.
- Main body front side 27 of the main body 19 is larger than in the scraper 17 shown in Figure 1. Apart from that, the same as shown in Figures 2 and 3
- the Abstreifer Wegseite 37 of the scraper 17 has
- Basic body front side 27 in the scraper 17 inside. By one of the main body front side 27 facing the end of each
- Stripper 17 are advantageously not removed by the scraper carrier 15, but it must be loosened only the connections of the connecting elements 33 with the Abstreifer whatsoever 15 in order to deduct the scraper 17 of the scraper carrier 15 can.
- Figure 4 shows a side view of the scraper 17 shown in Figures 2 and 3 and a roller 5 of a
- the angle of attack 29 is preferably as an engagement angle 53 of the roller 5 with the scraper 17 at middle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Cleaning In General (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16184722.3A EP3284545A1 (en) | 2016-08-18 | 2016-08-18 | Scraper device for a rolling stand |
PCT/EP2017/067666 WO2018033305A1 (en) | 2016-08-18 | 2017-07-13 | Stripping device for a roll stand |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3500378A1 true EP3500378A1 (en) | 2019-06-26 |
EP3500378B1 EP3500378B1 (en) | 2020-09-02 |
Family
ID=56738035
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16184722.3A Withdrawn EP3284545A1 (en) | 2016-08-18 | 2016-08-18 | Scraper device for a rolling stand |
EP17737289.3A Active EP3500378B1 (en) | 2016-08-18 | 2017-07-13 | Scraper device for a rolling stand |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16184722.3A Withdrawn EP3284545A1 (en) | 2016-08-18 | 2016-08-18 | Scraper device for a rolling stand |
Country Status (7)
Country | Link |
---|---|
US (1) | US11370008B2 (en) |
EP (2) | EP3284545A1 (en) |
JP (1) | JP6716784B2 (en) |
CN (1) | CN109562422B (en) |
MX (1) | MX2018015541A (en) |
RU (1) | RU2711703C1 (en) |
WO (1) | WO2018033305A1 (en) |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU77623A1 (en) | 1941-04-01 | 1948-11-30 | П.И. Бабиков | Installation for motorless carburetor testing |
US3845539A (en) * | 1971-06-16 | 1974-11-05 | Nippon Kokan Kk | Apparatus for manufacturing steel sheets with layers of protective metal |
US4160005A (en) | 1977-11-07 | 1979-07-03 | United Technologies Corporation | Method of fabricating a selectively shaped and apertured part of fiber reinforced plastic |
SU772623A1 (en) * | 1978-11-09 | 1980-10-23 | Ждановский металлургический институт | Apparatus for applying technological lubricant on rolling mill rolls |
JPS55177901U (en) * | 1979-06-01 | 1980-12-20 | ||
CH659088A5 (en) * | 1983-06-20 | 1986-12-31 | Galipag | SCRAPER FOR THE CYLINDER OF TEXTILE MACHINES. |
SU1301499A1 (en) | 1985-03-12 | 1987-04-07 | Ждановский металлургический институт | Arrangement for cleaning and lubricating working surface of rolling mill roll |
JPH05154517A (en) * | 1991-11-29 | 1993-06-22 | Kawasaki Steel Corp | On-line wiper device for rolling roll |
JP3008286U (en) * | 1994-08-26 | 1995-03-07 | 株式会社フジコー | Draining wiper for rolling mill |
JP3335495B2 (en) * | 1995-02-09 | 2002-10-15 | 川崎製鉄株式会社 | Drainer for rolling mill roll |
JP3008286B1 (en) | 1999-01-08 | 2000-02-14 | 日立化成ポリマー株式会社 | Modified silicone sealant for construction |
CN2400196Y (en) | 1999-10-29 | 2000-10-11 | 上海宝钢集团公司 | Wiper for finishing mill with lubrication function |
DE10049032A1 (en) | 2000-10-04 | 2002-05-02 | Sms Demag Ag | Roll stand with support and / or work rolls for rolling sheets or strips |
RU57156U1 (en) | 2006-03-06 | 2006-10-10 | Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") | ROLLER SURFACE CLEANING DEVICE |
DE102006049161A1 (en) | 2006-10-18 | 2008-04-24 | Sms Demag Ag | Roll stand with support and / or work rolls for rolling sheets or strips |
CA2682770C (en) * | 2007-04-12 | 2016-06-07 | Superior Industrial Services | Roll cleaning apparatus and method |
AT505392B1 (en) * | 2007-09-12 | 2009-01-15 | Siemens Vai Metals Tech Gmbh | METHOD AND DEVICE FOR CLEANING THE COAT OF A ROLLER OR ROLL |
CN201172061Y (en) | 2008-03-31 | 2008-12-31 | 宝山钢铁股份有限公司 | Combined type water-draining plate for roller |
JP5558030B2 (en) * | 2009-05-28 | 2014-07-23 | 六菱ゴム株式会社 | Rolling roll drainer |
DE102010028609B4 (en) | 2010-05-05 | 2014-03-27 | Achenbach Buschhütten GmbH & Co. KG | Method and device for removing coolant and / or lubricant from rolls of a roll stand |
EP2697000B1 (en) * | 2011-04-12 | 2016-02-24 | Primetals Technologies, Limited | Roll stripper device and method |
JP6194874B2 (en) * | 2014-12-08 | 2017-09-13 | スターライト工業株式会社 | Maintenance wiper for steelmaking |
CN204448819U (en) | 2015-01-09 | 2015-07-08 | 山西太钢不锈钢股份有限公司 | A kind of hot-rolling finishing mill composite water scraping plate |
CN205341502U (en) | 2015-12-29 | 2016-06-29 | 马鞍山钢铁股份有限公司 | Plate mill is with scraping water installation |
-
2016
- 2016-08-18 EP EP16184722.3A patent/EP3284545A1/en not_active Withdrawn
-
2017
- 2017-07-13 CN CN201780050550.6A patent/CN109562422B/en active Active
- 2017-07-13 US US16/320,542 patent/US11370008B2/en active Active
- 2017-07-13 WO PCT/EP2017/067666 patent/WO2018033305A1/en unknown
- 2017-07-13 RU RU2019104282A patent/RU2711703C1/en active
- 2017-07-13 EP EP17737289.3A patent/EP3500378B1/en active Active
- 2017-07-13 MX MX2018015541A patent/MX2018015541A/en unknown
- 2017-07-13 JP JP2019508258A patent/JP6716784B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2019524452A (en) | 2019-09-05 |
EP3500378B1 (en) | 2020-09-02 |
EP3284545A1 (en) | 2018-02-21 |
WO2018033305A1 (en) | 2018-02-22 |
US20190240709A1 (en) | 2019-08-08 |
CN109562422A (en) | 2019-04-02 |
JP6716784B2 (en) | 2020-07-01 |
US11370008B2 (en) | 2022-06-28 |
RU2711703C1 (en) | 2020-01-21 |
CN109562422B (en) | 2020-09-15 |
MX2018015541A (en) | 2019-06-06 |
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