WO2012140306A1 - Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte - Google Patents

Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte Download PDF

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Publication number
WO2012140306A1
WO2012140306A1 PCT/FI2011/050314 FI2011050314W WO2012140306A1 WO 2012140306 A1 WO2012140306 A1 WO 2012140306A1 FI 2011050314 W FI2011050314 W FI 2011050314W WO 2012140306 A1 WO2012140306 A1 WO 2012140306A1
Authority
WO
WIPO (PCT)
Prior art keywords
winding
winder
rolls
fiber web
shaft
Prior art date
Application number
PCT/FI2011/050314
Other languages
English (en)
Inventor
Kenneth ÅKERLUND
Marko Jorkama
Heikki FÖHR
Mikko Veijalainen
Original Assignee
Metso Paper, Inc.
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, Inc. filed Critical Metso Paper, Inc.
Priority to PCT/FI2011/050314 priority Critical patent/WO2012140306A1/fr
Publication of WO2012140306A1 publication Critical patent/WO2012140306A1/fr

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
    • 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
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • 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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2292—Removing cores or mandrels from web roll after winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/28—Arrangements for positively securing ends of material
    • 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
    • B65H2301/414—Winding
    • B65H2301/4146—Winding involving particular drive arrangement
    • B65H2301/41466—Winding involving particular drive arrangement combinations of drives
    • B65H2301/41468—Winding involving particular drive arrangement combinations of drives centre and nip drive
    • 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
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2301/418—Changing web roll
    • B65H2301/4185—Core or mandrel discharge or removal, also organisation of core removal
    • B65H2301/41852—Core or mandrel discharge or removal, also organisation of core removal by extracting mandrel from wound roll, e.g. in coreless applications
    • B65H2301/418526—Core or mandrel discharge or removal, also organisation of core removal by extracting mandrel from wound roll, e.g. in coreless applications by movement of the mandrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/70—Clutches; Couplings
    • B65H2403/73—Couplings

Definitions

  • the invention relates to an arrangement in a slitter-winder of a fiber web machine according to the preamble of claim 1 .
  • the invention also relates to a method in a slitter-winder of a fiber web machine according to the preamble of claim 8.
  • thick fiber webs pulp webs and board webs thickness of which is at least 0,25 mm, preferably at least 0,5 mm.
  • the invention has mainly bee described in connection with a two drum winder with two carrier rolls but one of the carrier rolls can be replaced by a set of belt rolls.
  • a fiber web completing in a machine is wound with a reel-up around a reeling shaft i.e. reel spool into a machine roll (a parent roll).
  • the purpose of reeling is to modify the web manufactured as planar into a more easily processable form.
  • the continuous process of the 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 to not to waste already done work in earlier process stages.
  • the machine roll web produced in fiber web making is full-width so it must be slit into partial webs with suitable width and the partial webs are wound to partial web rolls (customer rolls) with suitable length or with suitable diameter for the customers.
  • the slitting and winding take place as known from prior art in an appropriate separate machine i.e. in a slitter-winder.
  • the machine roll is unwound, the wide web is slit on the slitting section into several narrower partial webs which are wound up on the winding section around winding shafts or around winding cores located on the shafts, such as spools, into customer rolls.
  • the slitter-winder is stopped and the rolls i.e. the so-called set is removed from the machine after which the process is continued with the winding of a new set.
  • An object of the present invention is to provide for an improved arrangement and method to winding of thick fiber webs.
  • a further object of the present invention is to provide an arrangement and method in which the disadvantages of prior art are eliminated or at least minimized.
  • the method in accordance with the invention is mainly characterized by what is presented in the characterizing part of claim 8.
  • a winding shaft is provided with means for providing winding force at least especially for the beginning of the winding.
  • beginning of the winding in this description and in the following claims is meant the time period from the start of winding to the point when diameter of the roll reaches 500 mm, advantageously 300 mm.
  • the winder in the beginning of winding is controlled by controlling torque by the means provided with the winding shaft and by a pressing device, especially by a pressing roll, and by a winding roll / winding rolls.
  • the winder in the beginning of winding is controlled by controlling torque by the means provided with the winding shaft and by a pressing device or by a winding roll / winding rolls.
  • At least one driving motor is connected to the winding shaft at least during a part of time of winding and the winding shaft is rotated by this driving motor.
  • the driving motor is releasable from the winding shaft when not in use so that the weight of the driving motor does not load the support structure of the winding shaft and the winding cores.
  • the driving motor is for example a hydraulic, electric or pneumatic motor.
  • the driv- ing motor can also be integrated as a part of the winding shaft.
  • a pressure roll of winder is provided with a driving motor for transmitting torque to the roll to be wound.
  • the winding shaft comprises two shaft elements and the elements are connected to each other for transmitting torque.
  • the driving motor further advantageously is connected to a control system for controlling its speed. And in arrangements with two driving motors, one driving motor at each end of the winding shaft, the control system control both driving motors advantageously by feedback controlling.
  • Figure 1 is a schematic illustration of an advantageous embodiment of the invention.
  • Figure 2 is a schematic illustration of an advantageous embodiment of the invention.
  • Figures 3 is a schematic illustration of a winding shaft according to one advantageous feature of the invention.
  • Figure 4 is a schematic illustration of a two-drum winder.
  • Figure 5 is a schematic cross sectional illustration of a winding shaft according to one advantageous feature of the invention.
  • Figures 1 - 2 show a winder 5 which is a two-drum winder with two winding drums 1 1 , 12.
  • the winder 5 shown in the figure 1 is a two-drum winder 5 which comprises two carrier rolls 21 , 22 and at least two longitudinally successive web rolls to be wound are supported by the carrier rolls 1 1 , 12 from below and by a pressing device ( a pressing roll, not shown) from above the web rolls.
  • one of the carrier rolls can be a set of belt rolls in which an endless loop/loops of belt/belts is/are arranged around two rolls depending on the type of two-drum winder.
  • fiber web W is slit length-wise into parallel partial webs which are wound in the winder 5 to a set of successive partial web rolls 20.
  • the longitudinally successive web rolls 20 are supported by the winding rolls 1 1 , 12.
  • the winder 5 comprises a winding shaft 10 on which the winding cores are placed and around which winding cores the partial web rolls 20 are formed.
  • winding shaft 10 is supported in a slide 17 that is movable on guides 16 thus allowing the winding shaft 10 to move in accordance with the winding progresses and the diameter of the partial web rolls 20 increases.
  • a driving motor 15 is connected on the other end of the winding shaft.
  • the driving motor 15 rotates the winding shaft 10 and thus transmitting torque at least during part of the time of winding, advantageously in the beginning of winding. This way winding force is provided by this shaft in addition to the winding forces provided by the winding rolls. This also provides for an extra winding parameter to the winding process and gives a further possibility to control the roll formation during winding.
  • the driving motor 15 is advantageously disconnected from the winding shaft 10 when not used so that the weight of the driving motor 15 does not load the supports of the winding cores.
  • the end of the winding shaft 10 connected to the slide 17 can also be provided with a driving motor 15 for providing transmitting torque from both ends of the winding shaft 10 as shown in figure 3.
  • the driving motor 15 arrangement comprises a transmission means 18 con- nected to the shaft 10 and connected to the driving motor by connecting shaft 14, for example by a cardan.
  • the connection can also be created by belt transmission means.
  • the winding shaft 10 is constructed of two winding shaft elements 10A, 10B that are connected to each other by a releasable connection 13 that transmits the torque.
  • the driving motor 15 directly connected to the winding shaft 10 is movable with the winding shaft as shown by arrow Z1 and in the other end of the winding shaft the transmission means 18 are movable and connected to the winding shaft 10 only in the begin- ning of the winding and the driving motor 15 can be fixedly attached to the foundation or frame of the winder 5.
  • the driving motor 15 can also have a slide for its movements.
  • the driving motors 15 are controlled manually or by control program and their speeds are linked to each other by control program for example by feedback.
  • the winding cores 20 are placed around the winding shaft 13 and the winding shaft 13 is expanded such that the winding cores are tightly around the shaft 13.
  • the winding shaft 13 may have some inflatable means placed apart on the circumference, for example three nose hoses, or means inside the shaft to expand the circumference, for example pivoting zones, etc.
  • FIG 4 a two-drum winder is schematically illustrated.
  • the winder has two winding rolls 1 1 , 12 and a pressing roll 19 and the winding shaft 13.
  • torque for winding is transmitted by the winding shaft 13, by the winding rolls 1 1 , 12 and by the pressing roll 19.
  • Advantageously surface of the pressing roll 19 has strong retaining properties that are accomplished for example by coating, by surface roughness or by grooves etc.
  • any of these means for transmitting torque are usable all together or in combinations of the winding shaft 13 and one of the other two or winding shaft 13 alone in the beginning of winding. During winding these means are usable all together or in combinations of two or one means at the time depending on the need of winding.
  • FIG 5 a schematic cross-sectional illustration is shown of a winding shaft 13 which has on its outer circumference an embedding 3Z for fiber web tail.
  • This place 13Z is formed as an inclined embedding on the circumference of the winding shaft 13.
  • This embedding may be mechanically formed on the circumference or it may be formed by the circumference expanding means before or even during winding.

Landscapes

  • Winding Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

L'invention porte sur un agencement dans une fendeuse-enrouleuse d'une machine à film de fibres pour films de fibres épais, dans lequel l'enrouleuse (5) est une enrouleuse à deux tambours comprenant deux rouleaux d'enroulement (11, 12) sur le support desquels au moins deux rouleaux de film de fibres (20) sont enroulés autour d'un noyau d'enroulement sur un arbre d'enroulement (10). L'agencement comprend au moins un moteur d'entraînement (15) relié à l'arbre d'enroulement (10) pour, au moins pendant une partie du temps de l'enroulement, transmettre un couple aux rouleaux de film de fibres (20).
PCT/FI2011/050314 2011-04-12 2011-04-12 Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte WO2012140306A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/FI2011/050314 WO2012140306A1 (fr) 2011-04-12 2011-04-12 Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2011/050314 WO2012140306A1 (fr) 2011-04-12 2011-04-12 Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte

Publications (1)

Publication Number Publication Date
WO2012140306A1 true WO2012140306A1 (fr) 2012-10-18

Family

ID=44119469

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2011/050314 WO2012140306A1 (fr) 2011-04-12 2011-04-12 Agencement et procédé dans une fendeuse-enrouleuse d'une machine à film de fibres pour enrouler des films épais, en particulier pour des films de pâte

Country Status (1)

Country Link
WO (1) WO2012140306A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873959A2 (fr) * 1997-04-22 1998-10-28 Voith Sulzer Papiermaschinen GmbH Machine d'enroulage
EP1108669A2 (fr) * 1999-12-13 2001-06-20 Voith Paper Patent GmbH Dispositif d'enroulage de bobines, en particulier pour une refendeuse
WO2002040387A1 (fr) * 2000-11-17 2002-05-23 Balbir Singh Gill Dispositif d'obtention de rouleaux a ame creuse
US20050098676A1 (en) 2002-04-02 2005-05-12 Tommi Vuoristo Method and device in connection with winding of a paper or board web, in particular a tissue paper web
US7458539B2 (en) 2005-05-27 2008-12-02 Metso Paper, Inc. Winder roll starting apparatus for thick webs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873959A2 (fr) * 1997-04-22 1998-10-28 Voith Sulzer Papiermaschinen GmbH Machine d'enroulage
EP1108669A2 (fr) * 1999-12-13 2001-06-20 Voith Paper Patent GmbH Dispositif d'enroulage de bobines, en particulier pour une refendeuse
WO2002040387A1 (fr) * 2000-11-17 2002-05-23 Balbir Singh Gill Dispositif d'obtention de rouleaux a ame creuse
US20050098676A1 (en) 2002-04-02 2005-05-12 Tommi Vuoristo Method and device in connection with winding of a paper or board web, in particular a tissue paper web
US7458539B2 (en) 2005-05-27 2008-12-02 Metso Paper, Inc. Winder roll starting apparatus for thick webs

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