EP3284545A1 - Dispositif de demouleur pour une cage de laminoir - Google Patents

Dispositif de demouleur pour une cage de laminoir Download PDF

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Publication number
EP3284545A1
EP3284545A1 EP16184722.3A EP16184722A EP3284545A1 EP 3284545 A1 EP3284545 A1 EP 3284545A1 EP 16184722 A EP16184722 A EP 16184722A EP 3284545 A1 EP3284545 A1 EP 3284545A1
Authority
EP
European Patent Office
Prior art keywords
scraper
main body
stripping device
base body
roller
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.)
Withdrawn
Application number
EP16184722.3A
Other languages
German (de)
English (en)
Inventor
Paul Felix Dollhäubl
Gregor Gerstorfer
Erich Opitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primetals Technologies Austria GmbH
Original Assignee
Primetals Technologies Austria GmbH
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.)
Filing date
Publication date
Application filed by Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Priority to EP16184722.3A priority Critical patent/EP3284545A1/fr
Priority to CN201780050550.6A priority patent/CN109562422B/zh
Priority to JP2019508258A priority patent/JP6716784B2/ja
Priority to US16/320,542 priority patent/US11370008B2/en
Priority to MX2018015541A priority patent/MX2018015541A/es
Priority to RU2019104282A priority patent/RU2711703C1/ru
Priority to PCT/EP2017/067666 priority patent/WO2018033305A1/fr
Priority to EP17737289.3A priority patent/EP3500378B1/fr
Publication of EP3284545A1 publication Critical patent/EP3284545A1/fr
Withdrawn legal-status Critical Current

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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.
  • a cooling liquid usually with cooling water.
  • stripping devices are used, by means of which cooling liquid is stripped off the roll surfaces of the rolls.
  • EP 2 079 553 B1 discloses a roll stand having support and / or work rolls, at least one roll bar disposed between chocks of one of the rolls, an inlet / outlet guide adjacent to the roll bar for a medium, eg cooling water or the like, and one between the roll bar and the inlet / Outlet guide arranged sealing strip to prevent dripping of the medium, in particular on the rolling stock.
  • a medium eg cooling water or the like
  • CN 204448819 U discloses a stripper plate for a hot rolling mill.
  • the stripper plate is composed of a felt layer, an iron support plate and a base plate, these components of the stripper plate being connected to each other by screws.
  • 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 supporting in the roll stand support roller ,
  • DE 100 49 032 A1 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 attached to the water scraper, which is adjustable from the outside by adjusting against the roll surface.
  • the invention has for its object to provide an improved stripping device for a rolling stand.
  • the scraper comprises a base body made of a fiber-plastic composite with a base body underside, which bears against the scraper carrier, and a felt layer, which is arranged on one of the base body underside opposite main body top side of the base body.
  • the stripping device allows on the one hand by the manufacture of the body of a fiber-plastic composite a significant reduction in the weight of the stripping device over stripping with metallic components and thus a simplified movement and interchangeability of the stripping.
  • the structure of the scraper of a base body and a felt layer also makes it possible to use both the base body and the felt layer as seals for stripping and discharging cooling liquid, which is applied to a roll surface of the roll for cooling a roll of the roll stand, from the roll surface.
  • This can prevents too much cooling liquid from the roll surface on the rolling stock and / or enters a nip between two rolls of the rolling stand and in particular the effect of there applied lubricant for lubricating the contact of the roll with the rolling stock, for example by washing or diluting the lubricant , reduced.
  • the suction effect of the felt layer supports its sealing effect and also cools the scraper by absorbing cooling liquid in the felt layer advantageous. Furthermore, due to its flexibility and elasticity, the felt layer compensates for variations in radius of the roll along its width and circumference as well as manufacturing tolerances of the main body front side, which reduce the sealing effect of the main body front side.
  • An embodiment of the invention provides that the base body has a main body front side which is angled away from the base body underside at an angle of attack to the main body upper side.
  • This embodiment of the invention advantageously makes it possible to use the main body front side for contacting the roller with the largest possible contact surface.
  • a further embodiment of the invention provides that the felt layer is bonded to the main body upper side, for example by a two-component epoxy resin adhesive. This embodiment of the invention advantageously prevents a shift of the felt layer relative to the base body.
  • a further embodiment of the invention provides that one of the main body front side opposite Abstreifer Wegseite of the scraper has AbstreifrungsEnglishept, each extending from the base body bottom to a base body underside opposite scraper top of the scraper, and that the scraper carrier with the scraper by fasteners is connected, each guided by a AbstreifrungsEnglishung and connected to the Abstreifer whatsoever.
  • the connecting elements are for example screws or pins.
  • the connecting elements for separating the scraper need not be advantageously removed by the scraper carrier, but it must be loosened only the connections of the connecting elements with the Abstreiferanii 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 high heat resistance, high dimensional stability and a high sealing effect of the body.
  • a further embodiment of the invention provides that the felt layer has a bulk density of at least 320 kg / m 3 , preferably more than 520 kg / m 3 .
  • the felt layer advantageously has a sufficient felt hardness in order to achieve increased resistance to mechanical wear through contact with the rotating roll of the rolling stand.
  • 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 against a roller surface of the roller.
  • An embodiment of the invention provides that the felt layer has a felt layer front side facing the roller, which upon pressing the main body front side to the Roll surface rests against the roll surface. Since the felt layer front side abuts the roll surface immediately after the stripper has been pressed, the felt layer increases the sealing effect of the stripper, in particular at the beginning of pressing, if the sealing effect of the main body front side is still insufficient, so that no starting time is required to achieve a sufficient sealing effect of the stripper is. This can advantageously be increased production time with good lubricating effect of a lubricant for lubricating the contact of the roller with the rolling stock, or the cooling liquid can already be kept away from the rolling stock 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 stripping device to the roller and / or a hydraulic or pneumatic drive for pressing the main body front side to the roller surface.
  • FIG. 1 1 schematically shows 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 spaced from each other by a roll gap 11, through which the rolling stock 3 is passed in a rolling direction 13 in order to reshape the rolling stock 3, for example to reduce its thickness.
  • the stripping device 7 comprises a scraper carrier 15 and a scraper 17 arranged on the scraper carrier 15.
  • the scraper 17 comprises a base body 19 and a felt layer 21.
  • the main body 19 is made of a fiber-plastic composite, which preferably has a heat resistance up to an upper service temperature above at least 80 ° C, preferably above 120 ° C, and a high dimensional stability.
  • the fiber-plastic composite is a composite of glass filament fabric and epoxy resin.
  • the main body 19 has a base body underside 23, which bears against the scraper carrier 15, and a main body upper side 25 on which the felt layer 21 is arranged.
  • the main body 19 has a main body front side 27, which is angled away from the main body underside 23 at an acute angle of attack 29 to the main body upper side 25.
  • 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 of an industrial felt, and preferably has at least one Filzhärte F1, preferably at least H2, according to DIN 61200 and a bulk density of at least 320 kg / m 3, preferably of more than 520 kg / m 3, on.
  • the felt layer 21 covers the main body top 25 completely.
  • the scraper carrier 15 is connected to the scraper 17 by connecting elements 33, each of which is connected by a in FIG. 1 non-visible AbstreifiquessEnglishung 35 in one of the main body front side 27 opposite Abstreifer Wegseite 37 of the scraper 17 out and connected to the Abstreiferiva 15, see the FIGS. 2 and 3 ,
  • the connecting elements 33 are, for example, screws or pins with voltage applied to the felt layer 21 screw or pin heads.
  • the screw or pin heads can also rest against a holding plate arranged on the felt layer 21 or the main body top side 25, wherein in the second alternative the felt layer 21 has recesses for the screw or pin heads.
  • the pressing device 9 has a swivel arm 41 pivotably mounted about a pivot axis 39 for approaching the stripping device 7 to the roller 5 and a hydraulic or pneumatic drive 43 for pressing the scraper 17 against the roller 5.
  • the pivot arm 41 is rigidly connected to the Abstreiferani 15 and pivotable by the drive 43.
  • the main body front side 27 bears against a roller surface 45 of the roller 5. Further, one of the roller 5 facing felt layer front side 47 of the felt layer 21 during pressing of the scraper 17 to the roller 5 on the roller surface 45 and is compressed when pressed.
  • the scraper 17 extends over at least a part of the width of the roller 5 parallel to a roller rotation axis 49 of the roller 5, that is perpendicular to the plane of the FIG. 1 ,
  • the scraper 17 is pressed by the drive 43, for example with a force of at least one Newton per millimeter scraper length, wherein the scraper length is an extension of the scraper 17 parallel to the roller rotation axis 49.
  • the main body front side 27 acts as a seal for stripping and discharging cooling liquid, which is applied to the roller surface 45 for cooling the roll surface 45, from the roll surface 45.
  • the applied to the roll surface 45 felt layer front side 47 acts as an additional seal for stripping and discharging coolant from the roll surface 45. Since the felt layer front side 47 abuts immediately after the pressing of the scraper 17 on the roll surface 45, the felt layer 21 increases in particular at the beginning of pressing if the sealing effect of the main body front side 27 is not yet sufficient, the sealing effect of the scraper 17, so that no start-up time to achieve a sufficient sealing effect of the scraper 17 is required.
  • the suction of the felt layer 21 supports their sealing effect and cools the scraper 17 by receiving Coolant in the felt layer 21 also advantageous. Furthermore, the felt layer 21 compensates by its flexibility and elasticity radius variations of the roller 5 along its width and circumference and manufacturing tolerances of the main body front side 27, which reduce the sealing effect of the main body front side 27.
  • FIGS. 2 and 3 show a scraper 17 of a second embodiment of a scraper 7. It shows FIG. 2 a plan view of an end portion of the scraper 17 and FIG. 3 shows a sectional view of the scraper 17 in a sectional plane III.
  • the in the FIGS. 2 and 3 shown scraper 17 differs from the in FIG. 1 shown scraper 17 only in that the angle of attack 29 between the base body bottom 23 and the main body front side 27 of the body 19 is larger than in the in FIG. 1 shown scraper 17 is.
  • the same in the FIGS. 2 and 3 shown scraper 17 and the other in the FIGS. 2 and 3 not shown components of the scraper 17 having stripping 7 the corresponding components of in FIG. 1 shown stripping 7th
  • the Abstreifer Wegseite 37 of the scraper 17 has AbstreifrungsEnglishlessness 35 which each extend from the base body bottom 23 to one of the base body underside 23 opposite Abstreiferoberseite 51 of the scraper 17, which is a side facing away from the base 19 surface of the felt layer 21, and side by side over the Abstreiferin of Scraper 17 are arranged.
  • Each AbstreifrungsEnglishung 35 projects from the Abstreiferschreibseite 37 about half of the distance between the Abstreifer Wegseite 37 and the main body front side 27 in the scraper 17 into it.
  • By one of the main body front side 27 facing the end of each AbstreifrungsEnglishung 35 is in the FIGS. 2 and 3 Not illustrated connecting element 33 (see FIG.
  • the connecting elements 33 need not advantageously be removed for separating the scraper 17 from the scraper carrier 15, but only the connections of the connecting elements 33 with the scraper carrier 15 have to be loosened in order to be able to pull the scraper 17 away from the scraper carrier 15.
  • FIG. 4 shows a side view of the in the FIGS. 2 and 3 shown scraper 17 and a roller 5 of a roll stand 1, to which the scraper 17 is pressed.
  • the angle of attack 29 is preferably chosen as an engagement angle 53 of the roller 5 with the scraper 17 at medium roller diameter in order to produce the largest possible contact area between the main body front side 27 and the roller surface 45.

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)
EP16184722.3A 2016-08-18 2016-08-18 Dispositif de demouleur pour une cage de laminoir Withdrawn EP3284545A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP16184722.3A EP3284545A1 (fr) 2016-08-18 2016-08-18 Dispositif de demouleur pour une cage de laminoir
CN201780050550.6A CN109562422B (zh) 2016-08-18 2017-07-13 用于辊机架的剥离装置
JP2019508258A JP6716784B2 (ja) 2016-08-18 2017-07-13 ロールスタンド用ストリッピングデバイス
US16/320,542 US11370008B2 (en) 2016-08-18 2017-07-13 Stripping device for a roll stand
MX2018015541A MX2018015541A (es) 2016-08-18 2017-07-13 Dispositivo rascador para una caja de laminacion.
RU2019104282A RU2711703C1 (ru) 2016-08-18 2017-07-13 Очищающее устройство для прокатной клети
PCT/EP2017/067666 WO2018033305A1 (fr) 2016-08-18 2017-07-13 Dispositif racleur pour une cage de laminoir
EP17737289.3A EP3500378B1 (fr) 2016-08-18 2017-07-13 Dispositif de demouleur pour une cage de laminoir

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16184722.3A EP3284545A1 (fr) 2016-08-18 2016-08-18 Dispositif de demouleur pour une cage de laminoir

Publications (1)

Publication Number Publication Date
EP3284545A1 true EP3284545A1 (fr) 2018-02-21

Family

ID=56738035

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16184722.3A Withdrawn EP3284545A1 (fr) 2016-08-18 2016-08-18 Dispositif de demouleur pour une cage de laminoir
EP17737289.3A Active EP3500378B1 (fr) 2016-08-18 2017-07-13 Dispositif de demouleur pour une cage de laminoir

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17737289.3A Active EP3500378B1 (fr) 2016-08-18 2017-07-13 Dispositif de demouleur pour une cage de laminoir

Country Status (7)

Country Link
US (1) US11370008B2 (fr)
EP (2) EP3284545A1 (fr)
JP (1) JP6716784B2 (fr)
CN (1) CN109562422B (fr)
MX (1) MX2018015541A (fr)
RU (1) RU2711703C1 (fr)
WO (1) WO2018033305A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05154517A (ja) * 1991-11-29 1993-06-22 Kawasaki Steel Corp 圧延ロールのオンラインワイパ装置
DE10049032A1 (de) 2000-10-04 2002-05-02 Sms Demag Ag Walzgereüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
EP2079553B1 (fr) 2006-10-18 2010-01-06 SMS Siemag AG Cage de laminoir dotée de cylindres de soutien et/ou de travail, pour le laminage de tôles ou de feuillards
JP2010274301A (ja) * 2009-05-28 2010-12-09 Mutsubishi Rubber Co Ltd 圧延ロールの水切り装置
EP2384829A1 (fr) 2010-05-05 2011-11-09 ACHENBACH BUSCHHÜTTEN GmbH Procédé et dispositif de suppression de moyen de refroidissement et/ou de lubrification de cylindres d'une cage de laminoir suivant un paramètre de fonctionnement du procédé de laminage
CN204448819U (zh) 2015-01-09 2015-07-08 山西太钢不锈钢股份有限公司 一种热连轧精轧机复合刮水板
JP2016107303A (ja) * 2014-12-08 2016-06-20 スターライト工業株式会社 製鋼用メンテナンスワイパー

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SU77623A1 (ru) 1941-04-01 1948-11-30 П.И. Бабиков Установка дл безмоторного испытани карбюраторов
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 (ru) * 1978-11-09 1980-10-23 Ждановский металлургический институт Устройство дл нанесени технологической смазки на валки прокатных станов
JPS55177901U (fr) 1979-06-01 1980-12-20
CH659088A5 (de) * 1983-06-20 1986-12-31 Galipag Abstreifer fuer die zylinder von textilmaschinen.
SU1301499A1 (ru) 1985-03-12 1987-04-07 Ждановский металлургический институт Устройство дл очистки и смазки рабочей поверхности прокатного валка
JP3008286U (ja) * 1994-08-26 1995-03-07 株式会社フジコー 圧延機用の水切りワイパ
JP3335495B2 (ja) 1995-02-09 2002-10-15 川崎製鉄株式会社 圧延機ロールの水切り装置
JP3008286B1 (ja) 1999-01-08 2000-02-14 日立化成ポリマー株式会社 建築用変成シリコ―ン系シ―リング材
CN2400196Y (zh) 1999-10-29 2000-10-11 上海宝钢集团公司 一种具有润滑功能的精轧机刮水器
RU57156U1 (ru) 2006-03-06 2006-10-10 Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") Устройство для очистки поверхности ролика
WO2008124914A1 (fr) * 2007-04-12 2008-10-23 Superior Industrial Services Appareil et procédé de nettoyage de rouleau
AT505392B1 (de) * 2007-09-12 2009-01-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zum reinigen der mantelfläche einer walze oder rolle
CN201172061Y (zh) 2008-03-31 2008-12-31 宝山钢铁股份有限公司 一种轧辊用组合式切水板
US20140090437A1 (en) * 2011-04-12 2014-04-03 Michael Trevor Clark Roll stripper device and method
CN205341502U (zh) 2015-12-29 2016-06-29 马鞍山钢铁股份有限公司 一种板材轧机用刮水装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05154517A (ja) * 1991-11-29 1993-06-22 Kawasaki Steel Corp 圧延ロールのオンラインワイパ装置
DE10049032A1 (de) 2000-10-04 2002-05-02 Sms Demag Ag Walzgereüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
EP2079553B1 (fr) 2006-10-18 2010-01-06 SMS Siemag AG Cage de laminoir dotée de cylindres de soutien et/ou de travail, pour le laminage de tôles ou de feuillards
JP2010274301A (ja) * 2009-05-28 2010-12-09 Mutsubishi Rubber Co Ltd 圧延ロールの水切り装置
EP2384829A1 (fr) 2010-05-05 2011-11-09 ACHENBACH BUSCHHÜTTEN GmbH Procédé et dispositif de suppression de moyen de refroidissement et/ou de lubrification de cylindres d'une cage de laminoir suivant un paramètre de fonctionnement du procédé de laminage
JP2016107303A (ja) * 2014-12-08 2016-06-20 スターライト工業株式会社 製鋼用メンテナンスワイパー
CN204448819U (zh) 2015-01-09 2015-07-08 山西太钢不锈钢股份有限公司 一种热连轧精轧机复合刮水板

Also Published As

Publication number Publication date
MX2018015541A (es) 2019-06-06
JP6716784B2 (ja) 2020-07-01
US11370008B2 (en) 2022-06-28
CN109562422A (zh) 2019-04-02
EP3500378B1 (fr) 2020-09-02
CN109562422B (zh) 2020-09-15
RU2711703C1 (ru) 2020-01-21
US20190240709A1 (en) 2019-08-08
EP3500378A1 (fr) 2019-06-26
JP2019524452A (ja) 2019-09-05
WO2018033305A1 (fr) 2018-02-22

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