EP2297013A2 - Dispositif de déroulage de bande fibreuse, dispositif de refendeuse-rebobineuse et procédé de déroulage de bande fibreuse - Google Patents

Dispositif de déroulage de bande fibreuse, dispositif de refendeuse-rebobineuse et procédé de déroulage de bande fibreuse

Info

Publication number
EP2297013A2
EP2297013A2 EP09772631A EP09772631A EP2297013A2 EP 2297013 A2 EP2297013 A2 EP 2297013A2 EP 09772631 A EP09772631 A EP 09772631A EP 09772631 A EP09772631 A EP 09772631A EP 2297013 A2 EP2297013 A2 EP 2297013A2
Authority
EP
European Patent Office
Prior art keywords
unwinding
rails
station
winding shaft
arrangement
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Withdrawn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
EP09772631A
Other languages
German (de)
English (en)
Inventor
Petri Enwald
Markku JÄRVENSIVU
Kenneth ÅKERLUND
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.)
Valmet Technologies Oy
Original Assignee
Metso Paper Oy
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 Metso Paper Oy filed Critical Metso Paper Oy
Publication of EP2297013A2 publication Critical patent/EP2297013A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/06—Supporting web roll both-ends type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B65H18/106—Mechanisms in which power is applied to web-roll spindle for several juxtaposed strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/145—Reel-to-reel type web winding and unwinding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4136—Mounting arrangements not otherwise provided for
    • B65H2301/41361—Mounting arrangements not otherwise provided for sequentially used roll supports for the same web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4172—Handling web roll by circumferential portion, e.g. rolling on circumference
    • B65H2301/41724—Handling web roll by circumferential portion, e.g. rolling on circumference by crane

Definitions

  • Fibrous-web unwinding arrangement Fibrous-web unwinding arrangement, slitter-winder arrangement and method of unwinding fibrous web
  • the invention relates to an unwinding arrangement of a fibrous web according to the preamble of claim 1 for unwinding the fibrous web wound on a winding shaft, which comprises two substantially parallel rails or equivalents arranged at a distance from each other for supporting the winding shaft and an unwinding station in connection with the rails which unwinding station comprises elements for locking the winding shaft on the unwinding station to be substantially stationary during unwinding.
  • the invention also relates to a slitter-winder arrangement of a fibrous web according to the preamble of claim 8, which comprises an unwinding arrangement, a slitting section and a winding station.
  • the invention further relates to a method according to the preamble of claim 12 for unwinding a fibrous web on an unwinding station to a slitter-winder arrangement of the fibrous web, which comprises an unwinding arrangement, a slitting section and a winding station.
  • a fibrous web e.g. paper
  • Modern paper machines can produce more than 450,000 tons of paper a year.
  • the speed of the paper machine can exceed 2,000 m/min and the width of the paper web can be more than 11 m.
  • paper-making takes place as a continuous process.
  • a paper web completing in the paper machine is wound with a winder around a winding shaft i.e. a reel spool into a machine reel the diameter of which can be more than 3.5 m and the weight of which more than 100 tons.
  • the purpose of winding is to modify the continuous paper web manufactured as planar into a more easily processable form.
  • the continuous process of the paper machine breaks for the first time and shifts into periodic operation. This periodicity is tried to be made with efficiency as good as possible in order not to waste already done work.
  • the machine-reel web produced in paper-making is full-width and even more than 100 km long so it must be slit into partial webs with suitable width and length for the customers of the paper mill and to be wound around cores into so-called customer reels before delivering from the paper mill.
  • These slitting and winding take place as known from prior art in an appropriate separate machine i.e. a slitter-winder.
  • a machine reel unwound substantially empty on the unwinder of the slitter-winder typically comprises a so-called reel bottom end which contains fibrous web unsuited for further processing and which has to be unloaded from the winding shaft before being able to wind a new machine reel on it.
  • the number of the winding shafts is such that they have to be stored temporarily in the manufacturing line either when empty or when being the core of the machine reel.
  • a winding shaft unwound empty is led from the unwinding station of the slitter-winder by means of lifting arms to a winding shaft storage above the unwinding station.
  • the transfer of the winding shaft relates to the change procedure of the machine reel of the unwinder both operationally and structurally and the empty winding shafts are not in practice re-deliverable to the winding until from the winding shaft storage.
  • FI20065682 describes a slitter-winder arrangement in which there are two unwinders fitted successively in the machine line of the slitter- winder arranged opposite on the machine level. Between the unwinding stations of the slitter-winders is located a return station i.e. return rails of winding shafts which function as a storage point of winding shafts and as an unloading point of machine-reel bottom ends.
  • the return rails are located substantially on the same level as transfer rails along which the machine reels are transferred from the machine winder and stand-by station of the paper-manufacturing line to be unwound at the unwinding station.
  • empty winding shafts and broke machine reels can be transferred by means of transfer carriages in connection with the rails from the unwinding or from the transfer rails onto the return rails for storing or for unloading broke.
  • transfer carriages in connection with the rails from the unwinding or from the transfer rails onto the return rails for storing or for unloading broke.
  • An object of the invention is thus to provide an unwinding arrangement of a fibrous web which allows choosing the layout of the manufacturing line very flexibly.
  • An object of the invention is also to provide a method of unwinding a fibrous web on an unwinding station, in which method, the travel of the machine reel and/or winding shaft in the reel change sequence is arranged more advantageous than previously.
  • the objects of the invention are mainly achieved with an unwinding arrangement of a fibrous web for unwinding the fibrous web wound on a winding shaft, which comprises two substantially parallel rails or equivalents arranged at a distance from each other for supporting the winding shaft and an unwinding station in connection with the rails which unwinding station comprises elements for locking the winding shaft on the unwinding station to be substantially stationary during unwinding.
  • the unwinding arrangement according to the invention is mainly characterised by that the rails are arranged to extend and terminate at a distance substantially horizontally on both sides of the unwinding station.
  • the elements for locking the winding shaft on the unwinding station are arranged to allow leading a machine reel containing web on the rails in a guided and controlled way to the unwinding station. This provides for the advantage, inter alia, that the liftings of the machine reels are minimised.
  • the elements for locking the winding shaft on the unwinding station are arranged to allow the removal of a substantially empty winding shaft controllably on the rails from the unwinding station. This provides for the advantage, inter alia, that the liftings of the winding shafts are minimised.
  • the rails on the second side of the unwinding station advantageously constitute a storage station of winding shafts.
  • the rails of the unwinding station also constitute according to an embodiment a bottom-end unloading station of winding shafts and advantageously the rails of the second side of the unwinding station constitute a bottom-end unloading station of winding shafts at a point before the storage station of winding shafts on the rails of the second side.
  • the unwinding arrangement comprises a semiautomatic or automatic crane to transfer the winding shafts and/or machine reels.
  • the unwinding arrangement according to the invention is such that the lifting device operating above has an access to each winding shaft and/or machine reel in every situation.
  • This kind of an unwinding arrangement is particularly suitable for use with a semiautomatic or automatic crane.
  • a slitter-winder arrangement of a fibrous web comprises an unwinding arrangement, a slitting section and a winding station, in which the unwinding arrangement comprises two substantially parallel rails or equivalents arranged at a distance from each other for supporting a winding shaft and an unwinding station in connection with the rails which unwinding station comprises elements for locking the winding shaft on the unwinding station to be substantially stationary during unwinding, and in which slitter-winder the rails of the unwinding arrangement are arranged to extend and terminate at a distance substantially horizontally on both sides of the unwinding station.
  • the web being unwound is arranged to travel from under the storage station to the slitting section according to an embodiment. Then, it is advantageous that a first web guide roll after the unwinding station in the travel of the web is in the range of the rails below the rails at least in some stage of the unwinding.
  • the slitter-winder arrangement is fitted in the operating range of a semiautomatic or automatic crane.
  • the automatic crane is advantageously arranged to operate in data transfer communication with a process control arrangement of the slitter-winder arrangement.
  • the unwinding arrangement of the slitter-winder according to the invention is such that the lifting device operating above has an access to each winding shaft and/or machine reel in every situation, whereby the co-operation between the automatic crane and the unwinding arrangement is effective.
  • the objects of the invention are also achieved with a method of unwinding a fibrous web on an unwinding station, in which method, a machine reel being unwound in the reel change sequence is led to the unwinding station supported by rails of the first side in connection with it, the machine reel is locked from the winding shaft to the unwinding station, the unwinding is performed, and the winding shaft is removed from the unwinding station and, in which method, the reel change sequence of the unwinder occurs by moving the winding shaft/machine reel on one substantially horizontal level.
  • the unwinding is performed at least mainly the machine reel being locked on the unwinding station and, after the reel has emptied totally, or at least so much that the reel bottom on it is no longer unwound, the winding shaft is transferred on the rails onto the rails of the second side of the unwinding station.
  • the non-unwound web is removed from the winding shaft and the winding shaft is transferred on the rails onto the rails of the second side.
  • the winding shaft is collected from the rails in connection with the unwinding station with an automatic or semiautomatic crane and controlled by its control unit.
  • the invention provides several advantages. Due to the total arrangement, a crane is able to access each winding shaft and/or machine reel. Furthermore, the reel change sequence of the unwinder occurs by moving the winding shaft on substantially one horizontal level, whereby energy is saved considerably in relation to the handling of the reels taking place by lifting the reels onto various levels. Additionally, the unwinding arrangement according to the invention does not require storage rails according to known prior art, typically located above the unwinding station, nor lifter mechanisms used in transferring the winding shafts on the storage rails.
  • Fig. 1 shows an unwinding arrangement according to an embodiment of the invention
  • Fig. 2 shows a slitter-winder arrangement according to an embodiment of the invention.
  • Fig. 1 shows an embodiment of an unwinding arrangement 10 of a fibrous web according to the invention. It is intended for unwinding the fibrous web w wound on a winding shaft 15 into a machine reel 20.
  • the unwinding arrangement comprises an unwinding station 25 which is provided with elements 27, 29 for locking the winding shaft 15 on the unwinding station 25 to be substantially stationary at least during unwinding.
  • locking to be stationary mainly refers to the horizontal motion of the winding shaft and, when being locked, the winding shaft is naturally rotatable supported by bearings arranged at its ends.
  • the unwinding arrangement 10 comprises two parallel rails or equivalents 32 of the first side arranged at a distance from each other, of which only one is visible in the direction of Fig. 1.
  • the rails are arranged at a distance from each other in cross-direction in relation to the travel direction of the web such that the machine reel 20 is positioned between the rails.
  • the machine reel and the winding shaft 15 are supported via bearings arranged at its ends.
  • the bearing housing of the winding shaft can be supported on the rails via a separate carriage, whereby the winding shaft is moved by transferring the carriage and/or then the winding shaft can be supported from its bearing housing directly on top of the rail, whereby the winding shaft is moved controllably by rolling it on the rails.
  • a combination of these can also be used e.g. such that critical transfers are done using the carriage and others controllably by rolling it.
  • the unwinding station Into connection with the unwinding station are arranged in the machine direction, i.e. in the main travel direction of the fibrous web, on both of its sides rails 32, 34 such that the rails 32 of the first side in relation to the unwinding station constitute a reception station of the machine reels of the unwinding station.
  • the rails 34 of the second side in relation to the unwinding station constitute a storage station of winding shafts and in addition to or alternatively a bottom-end unloading station of winding shafts. If required, the storage station also operates as a lifting and/or lowering station for the crane.
  • the unwinding can be implemented with the unwinding arrangement according to the invention such that, during the unwinding sequence, the machine reel 20 being unwound is led onto the rails of the first side in relation to the unwinding station and the machine reel is transferred supported by the rails to the unwinding station.
  • the unwinding takes place at least mainly the machine reel being locked on the unwinding station and, after the reel has emptied totally, or at least so much that the reel bottom on it is no longer used, the winding shaft is controllably transferred on the rails onto the rails 34 of the second side.
  • the rails of the second side thus receive the emptied machine reel from the unwinding station.
  • the primary travel direction A of the winding shafts is from the rails 32 of the first side to the rails 34 of the second side via the unwinding station.
  • This kind of procedure i.e. the reel change sequence of the unwinder occurs by moving the winding shaft on substantially one horizontal level, whereby energy is saved considerably in relation to the handling of the reels taking place by lifting the reels onto various levels.
  • the direction of the winding shafts can naturally be also from the rails of the second side to the rails of the first side depending on the case.
  • the unwinding arrangement comprises transfer carriages 36 in connection with both (driving side/tending side) rails movably fitted in the direction of the rails.
  • the structure of the transfer carriages is such that, by means of the transfer carriages, the machine reel/winding shaft can be rolled on the rails as desired and thus the transfer occurs mainly on one horizontal level.
  • the structure of the transfer carriages is such that the winding shaft is non-rotatably supported of its bearing housing to the transfer carriage, whereby the machine reel/winding shaft can be transferred by means of the transfer carriages on the rails supported by the transfer carriage.
  • a length L of the rails 34 of the second side measured from the centre of the winding shaft located at the winding station extends at least at the distance of the radius of the full machine reel according to the machine-reel size used in the process + the radius of the winding shaft. This way, at least one empty winding shaft can always be fitted on the rails of the second side.
  • the length L of the rails 34 on the second side is at the maximum about 5 m.
  • Fig. 2 shows a slitter-winder arrangement 50 of a fibrous web which comprises an unwinding arrangement 10 according to the invention.
  • the slitter-winder arrangement further comprises a slitting section 55 and a winding station 60.
  • a full- width web w is slit into partial webs w' of which customer reels 70 are formed on the winding station.
  • the slitting section and the winding station are in this presented embodiment on a lower horizontal level than rails 32, 34 of the unwinding arrangement 10, i.e. the horizontal level on which the reel change sequence of the unwinding takes place.
  • the web w is arranged to travel at least partially below a storage station constituted by the rails 34 of the second side of the unwinding station.
  • a first web guide roll 75 after the unwinding station in the travel of the web w is in the range of the rails 34 of the second side below the rails 34.
  • the slitting section 55 can also be fitted directly below the storage station.
  • the unwinding arrangement and/or slitter-winder arrangement of a fibrous web according to the invention can be further developed by providing it with an automatic or semiautomatic crane 100 or by fitting it in the operating range of an automatic or semiautomatic crane.
  • An automatic crane refers to such a crane arrangement which is arranged to operate automatically under the control of the main process or based on data received of the main process thus providing for the material traffic of the main process.
  • a semiautomatic crane differs from an automatic crane mainly in that, with it, a desired part of the operations are performed by manual control.
  • the automatic crane comprises a control unit 110 which is arranged in data transfer communication with a control unit 40 of the unwinding arrangement.
  • the automatic crane is able to operate automatically controlled by a program saved in its control system and/or by external commands.
  • the operating range of the automatic crane is such that it can lead machine reels from the storage or e.g. from the windup of the preceding process section and return the empty winding shafts e.g. to said windup.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif de déroulage (10) d'une bande fibreuse servant à dérouler une bande fibreuse (w) enroulée sur un arbre d'enroulage (15) et qui comprend deux rails sensiblement parallèles ou analogue, placés à une certaine distance l'un de l'autre en vue de maintenir l'arbre d'enroulage, et un poste de déroulage relié aux rails. Le poste de déroulage comprend des éléments permettant de verrouiller l'arbre d'enroulage sur le poste de déroulage afin que celui-ci soit sensiblement fixe pendant le déroulage. Les rails (32, 34) sont placés de manière à se déployer et à se terminer à une distance sensiblement horizontale, de part et d'autre du poste de déroulage.
EP09772631A 2008-07-03 2009-07-02 Dispositif de déroulage de bande fibreuse, dispositif de refendeuse-rebobineuse et procédé de déroulage de bande fibreuse Withdrawn EP2297013A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20085691A FI121303B (fi) 2008-07-03 2008-07-03 Kuiturainan pituusleikkurijärjestely ja menetelmä kuiturainan pituusleikkaamiseksi
PCT/FI2009/050600 WO2010000944A2 (fr) 2008-07-03 2009-07-02 Dispositif de déroulage de bande fibreuse, dispositif de refendeuse-rebobineuse et procédé de déroulage de bande fibreuse

Publications (1)

Publication Number Publication Date
EP2297013A2 true EP2297013A2 (fr) 2011-03-23

Family

ID=39677576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09772631A Withdrawn EP2297013A2 (fr) 2008-07-03 2009-07-02 Dispositif de déroulage de bande fibreuse, dispositif de refendeuse-rebobineuse et procédé de déroulage de bande fibreuse

Country Status (4)

Country Link
EP (1) EP2297013A2 (fr)
CN (1) CN102083722A (fr)
FI (1) FI121303B (fr)
WO (1) WO2010000944A2 (fr)

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Publication number Priority date Publication date Assignee Title
ITFI20110253A1 (it) * 2011-11-23 2013-05-24 Perini Fabio Spa "svolgitore per bobine e metodo di svolgimento"
CN102935953A (zh) * 2012-11-27 2013-02-20 吴江市三友针纺有限公司 一种纺织用布料收卷机
ITUB20160458A1 (it) * 2016-01-25 2017-07-25 Futura Spa Sistema per la movimentazione di rulli goffratori
CN107618912A (zh) * 2017-09-22 2018-01-23 江苏绿源健康铝箔科技有限公司 一种更换卷筒不间断的复卷机
DE102018008127B4 (de) 2018-10-13 2022-06-09 Hosokawa Alpine Aktiengesellschaft Blaskopf und Verfahren zur Herstellung einer Mehrschichtschlauchfolie
DE102018009632B4 (de) * 2018-12-11 2021-12-09 Hosokawa Alpine Aktiengesellschaft Vorrichtung zum Aufwickeln und Wickelwechsel von bahnförmigem Material und ein Verfahren dafür
DE102019111470B4 (de) * 2019-05-03 2022-06-02 Voith Patent Gmbh Abwickelstation
FI20215826A1 (en) * 2021-07-30 2022-12-30 Valmet Technologies Oy Set for handling tambour rolls and winding and unwinding arrangements for a fiber web machine
CN114132778B (zh) * 2021-11-30 2024-03-26 江苏宏瑞达新能源装备有限公司 薄膜展料机

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CN2444916Y (zh) * 2000-11-01 2001-08-29 曹立宏 薄膜分切机的放卷装置
US6820837B2 (en) * 2002-12-20 2004-11-23 Kimberly-Clark Worldwide, Inc. Unwind system with flying-splice roll changing
ITFI20030303A1 (it) * 2003-12-02 2005-06-03 Perini Fabio Spa Impianto per la manipolazione di bobine di carta o
ITFI20050010A1 (it) * 2005-01-18 2006-07-19 O M Futura S P A Metodo e dispositivo per l'esecuzione automatica del cambio bobina in uno svolgitore
ITFI20060061A1 (it) * 2006-03-03 2007-09-04 Futura Spa Dispositivo e metodo per la movimentazione delle bobine in uno svolgitore
FI119630B (fi) * 2006-10-27 2009-01-30 Metso Paper Inc Kuiturainan valmistuslinja ja pituusleikkurijärjestely
CN200984748Y (zh) * 2006-12-11 2007-12-05 天津市双鹿电子元件包装材料有限责任公司 载带宽度裁切机

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Also Published As

Publication number Publication date
WO2010000944A3 (fr) 2010-03-11
WO2010000944A2 (fr) 2010-01-07
FI121303B (fi) 2010-09-30
CN102083722A (zh) 2011-06-01
FI20085691A0 (fi) 2008-07-03
FI20085691A (fi) 2010-01-04

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