EP3500378B1 - 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
EP3500378B1
EP3500378B1 EP17737289.3A EP17737289A EP3500378B1 EP 3500378 B1 EP3500378 B1 EP 3500378B1 EP 17737289 A EP17737289 A EP 17737289A EP 3500378 B1 EP3500378 B1 EP 3500378B1
Authority
EP
European Patent Office
Prior art keywords
main body
stripper
roll
wiper
stripping device
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.)
Active
Application number
EP17737289.3A
Other languages
German (de)
English (en)
Other versions
EP3500378A1 (fr
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
Publication of EP3500378A1 publication Critical patent/EP3500378A1/fr
Application granted granted Critical
Publication of EP3500378B1 publication Critical patent/EP3500378B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 roll stand.
  • Roll stands for rolling rolling stock have rolls that are cooled with a cooling liquid, usually with cooling water.
  • a cooling liquid usually with cooling water.
  • stripping devices are used, through which the cooling liquid is wiped off the roll surfaces of the rolls.
  • CN 204448819 U discloses a stripper plate for a hot rolling mill.
  • the stripping plate is composed of a layer of felt, a support plate made of iron and a base plate, these components of the stripping plate being connected to one another by screws.
  • the generic JP 2016 107303 A discloses a scraper for stripping cooling water from a roll in a steel mill.
  • the scraper has an abrasive plate for abrading the roll surface.
  • abrasive grains are evenly distributed in a non-woven fabric.
  • a water-wiping material for wiping off cooling water is laminated on one surface of the abrasive plate.
  • the stripping device enables, on the one hand, a significant reduction in the weight of the body by manufacturing the base body from a fiber-plastic composite
  • the construction of the scraper from a base body and a felt layer also makes it possible to use both the base body and the felt layer as seals for wiping off and discharging cooling liquid from the roll surface, which is applied to a roll surface of the roll to cool a roll of the roll stand. This prevents too much cooling liquid from getting from the roll surface onto the rolling stock and / or into a roll gap between two rolls of the roll stand and, in particular, the effect of the lubricant applied there to lubricate the contact of the roll with the rolling stock, for example by washing or thinning of the lubricant.
  • Another embodiment of the invention provides that the felt layer is glued to the upper side of the base body, for example by means of a two-component epoxy resin adhesive is. This embodiment of the invention advantageously prevents a displacement of the felt layer relative to the base body.
  • FIG. 1 shows schematically a roll stand 1 for rolling a rolling stock 3.
  • the roll stand 1 comprises two rolls 5, 6 designed as work rolls and a stripping device 7 and a pressure device 9 for at least one roll 5.
  • the rolls 5, 6 are spaced apart from one another 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 base body 19 is made of a fiber-plastic composite, which preferably has a heat resistance up to an upper use temperature above at least 80 ° C, preferably above 120 ° C, and a high Has dimensional stability.
  • the fiber-plastic composite is a composite of glass filament fabric and epoxy resin.
  • the base body 19 has a base body underside 23, which rests against the stripper carrier 15, and a base body upper side 25, on which the felt layer 21 is arranged. Furthermore, the base body 19 has a base body front side 27 which is angled from the base body underside 23 at an acute angle 29 towards the base body top 25.
  • the base body front side 27 rests against a roller surface 45 of the roller 5. Furthermore, a felt layer front side 47 of the felt layer 21 facing the roller 5 rests against the roller surface 45 when the stripper 17 is pressed against the roller 5 and is compressed when pressed.
  • the base body front side 27 acts as a seal for wiping off and draining cooling liquid, which is applied to the roller surface 45 to cool the roller 5, from the roller surface 45 the roll surface 45 reaches the rolling stock 3 and / or in the roll gap 11 and in particular the effect of the lubricant applied there for lubricating the contact of the roll 5 with the rolling stock 3, for example by washing off and diluting the lubricant, is reduced.
  • FIGS. 2 and 3 show a scraper 17 of a second exemplary embodiment of a scraper device 7
  • Figure 2 a plan view of an end portion of the scraper 17
  • Figure 3 shows a sectional view of the scraper 17 in a sectional plane III.
  • the one in the Figures 2 and 3 shown wiper 17 differs from that in Figure 1
  • Components (not shown) of the wiper device 7 having the wiper 17 correspond to the corresponding components of the in FIG Figure 1 shown stripping device 7.
  • the wiper rear side 37 of the wiper 17 has wiper recesses 35, each of which extends from the base body underside 23 to an opposite of the base body underside 23
  • Each wiper recess 35 projects from the wiper rear side 37 into the wiper 17 approximately up to half the distance between the wiper rear side 37 and the main body front side 27.
  • By one of the base body front side 27 facing end of each stripper recess 35 is in the Figures 2 and 3 connecting element 33, not shown (see also Figure 1 ) to the wiper support 15 for connecting the wiper support 15 to the wiper 17.
  • the connecting elements 33 for separating the wiper 17 from the wiper carrier 15 advantageously do not need to be removed, but only the connections between the connecting elements 33 and the wiper carrier 15 have to be loosened in order to be able to pull the wiper 17 off the wiper carrier 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Cleaning In General (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (12)

  1. Dispositif racleur (7) pour cage de laminoir (1), le dispositif racleur (7) comprenant un porte-racle (15) et une racle (17) disposée sur le porte-racle (15), la racle (17) comprenant
    - un corps de base (19) pourvu d'une face inférieure de corps de base (23) qui est en contact avec le porte-racle (15), et
    - une couche de feutre (21) qui est disposée sur une face supérieure de corps de base (25) du corps de base (19) opposée à la face inférieure de corps de base (23), caractérisé en ce que
    - le corps de base (19) est réalisé dans un composite fibres-matière plastique
    - et un côté arrière de racle (37) de la racle (17) opposé à la face avant de corps de base (27) présente des évidements de racle (35) qui s'étendent à chaque fois de la face inférieure de corps de base (23) à une face supérieure de racle (51) de la racle (17) opposée à la face inférieure de corps de base (23), et
    en ce que le porte-racle (15) est relié à la racle (17) au moyen d'éléments de liaison (33) qui passent chacun à travers un évidement de racle (35) et sont reliés au porte-racle (15).
  2. Dispositif racleur (7) selon la revendication 1, caractérisé en ce que le corps de base (19) est pourvu d'une face avant de corps de base (27) qui, partant de la face inférieure de corps de base (23), est pliée selon un angle d'attaque (29) en direction de la face supérieure de corps de base (25).
  3. Dispositif racleur (7) selon l'une des revendications précédentes,
    caractérisé en ce que la couche de feutre (21) est collée à la face supérieure de corps de base (25).
  4. Dispositif racleur (7) selon la revendication 3,
    caractérisé en ce que la couche de feutre (21) est collée à la face supérieure de corps de base (25) au moyen d'une colle à la résine époxy à deux composants.
  5. Dispositif racleur (7) selon l'une des revendications précédentes,
    caractérisé en ce que les éléments de liaison (33) sont des vis.
  6. Dispositif racleur (7) selon l'une des revendications 1 à 4,
    caractérisé en ce que les éléments de liaison (33) sont des chevilles.
  7. Dispositif racleur (7) selon l'une des revendications précédentes,
    caractérisé en ce que le composite fibres-matière plastique est un composite en tissu de silionne et résine époxy.
  8. Dispositif racleur (7) selon l'une des revendications précédentes,
    caractérisé en ce que la couche de feutre (21) a une masse volumique apparente d'au moins 320 kg/m3.
  9. Cage de laminoir (1) comprenant un cylindre (5, 6), un dispositif racleur (7) selon l'une des revendications précédentes et un dispositif presseur (9) destiné à presser une face avant de corps de base (27) du corps de base (19) sur une surface de cylindre (45) du cylindre (5, 6) .
  10. Cage de laminoir (1) selon la revendication 9,
    caractérisée en ce que la couche de feutre (21) présente une face avant de couche de feutre (47) tournée vers le cylindre (5, 6) qui est en contact avec la surface de cylindre (45) lorsque la face avant de corps de base (27) est pressée sur la surface de cylindre (45).
  11. Cage de laminoir (1) selon la revendication 9 ou 10,
    caractérisée en ce que le dispositif presseur (9) comprend un bras pivotant (41) monté de manière pivotante pour approcher le dispositif racleur (7) du cylindre (5, 6).
  12. Cage de laminoir (1) selon l'une des revendications 9 à 11,
    caractérisée en ce que le dispositif presseur (9) comprend un entraînement (43) hydraulique ou pneumatique pour presser la face avant de corps de base (27) sur la surface de cylindre (45).
EP17737289.3A 2016-08-18 2017-07-13 Dispositif de demouleur pour une cage de laminoir Active EP3500378B1 (fr)

Applications Claiming Priority (2)

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
PCT/EP2017/067666 WO2018033305A1 (fr) 2016-08-18 2017-07-13 Dispositif racleur pour une cage de laminoir

Publications (2)

Publication Number Publication Date
EP3500378A1 EP3500378A1 (fr) 2019-06-26
EP3500378B1 true EP3500378B1 (fr) 2020-09-02

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 Before (1)

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

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)

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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
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
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
DE10049032A1 (de) 2000-10-04 2002-05-02 Sms Demag Ag Walzgereüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
RU57156U1 (ru) 2006-03-06 2006-10-10 Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") Устройство для очистки поверхности ролика
DE102006049161A1 (de) 2006-10-18 2008-04-24 Sms Demag Ag Walzgerüst mit Stütz- und/oder Arbeitswalzen zum Walzen von Blechen oder Bändern
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
JP5558030B2 (ja) * 2009-05-28 2014-07-23 六菱ゴム株式会社 圧延ロールの水切り装置
DE102010028609B4 (de) 2010-05-05 2014-03-27 Achenbach Buschhütten GmbH & Co. KG Verfahren und Vorrichtung zum Entfernen von Kühl- und/oder Schmiermittel von Walzen eines Walzgerüstes
US20140090437A1 (en) * 2011-04-12 2014-04-03 Michael Trevor Clark Roll stripper device and method
JP6194874B2 (ja) * 2014-12-08 2017-09-13 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
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

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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
CN109562422B (zh) 2020-09-15
RU2711703C1 (ru) 2020-01-21
US20190240709A1 (en) 2019-08-08
EP3284545A1 (fr) 2018-02-21
EP3500378A1 (fr) 2019-06-26
JP2019524452A (ja) 2019-09-05
WO2018033305A1 (fr) 2018-02-22

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