EP0792829B1 - Procédé pour enrouler une bande de papier en un rouleau - Google Patents

Procédé pour enrouler une bande de papier en un rouleau Download PDF

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Publication number
EP0792829B1
EP0792829B1 EP97101106A EP97101106A EP0792829B1 EP 0792829 B1 EP0792829 B1 EP 0792829B1 EP 97101106 A EP97101106 A EP 97101106A EP 97101106 A EP97101106 A EP 97101106A EP 0792829 B1 EP0792829 B1 EP 0792829B1
Authority
EP
European Patent Office
Prior art keywords
drum
roll
winding
paper roll
paper
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.)
Expired - Lifetime
Application number
EP97101106A
Other languages
German (de)
English (en)
Other versions
EP0792829A3 (fr
EP0792829A2 (fr
Inventor
Roland Möller
Karl Rück
Ralf Preising
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.)
Voith Patent GmbH
Original Assignee
Voith Sulzer Papiermaschinen 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 Voith Sulzer Papiermaschinen GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0792829A2 publication Critical patent/EP0792829A2/fr
Publication of EP0792829A3 publication Critical patent/EP0792829A3/fr
Application granted granted Critical
Publication of EP0792829B1 publication Critical patent/EP0792829B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • 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
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • 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
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive 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
    • 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
    • B65H2301/414—Winding
    • B65H2301/4144—Finishing winding process
    • B65H2301/41441—Finishing winding process and blocking outer layers against falling apart
    • B65H2301/41444—Specified by process phase during which sealing /securing is performed
    • B65H2301/414443—Sealing or securing within the winding station
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/2362—Winding machines with two secondary winding spools, e.g. on separate carriages
    • B65H2408/2364—Winding machines with two secondary winding spools, e.g. on separate carriages with additional element for facilitating web roll change

Definitions

  • Winding machines for winding paper webs can end at one Paper machine arranged to roll the resulting paper web bring (so-called Pope-Roller). But they are also used to to roll a finished roll, to roll a specific one To produce winding quality.
  • the wrap should have very specific properties, especially as far as the winding hardness is concerned.
  • the winding hardness should mostly be from fall from a certain initial value to a final value, whereby on In the beginning a hard core winding is particularly important.
  • the waste is said to be from the be as even as possible from the first to the last layer. He should be one have certain gradients, i.e. not too strong and not too weak be.
  • the course of the winding hardness should in no case jump points have, e.g. a sudden drop. No in the wrap Radial or destructive or destructive paper web Tangential stresses occur.
  • Winding machines instead of known design, e.g. Wraps where the core is either extremely soft or extremely hard, and where towards the end - around four fifths of the winding diameter - a sharp drop in Winding hardness occurs.
  • the first part that is, the extreme soft or hard core
  • the wrap is not enough is wound hard, there is a lateral displacement of the layers relatively to each other so that the end faces of the finished roll appear frayed and the web edges can be easily damaged.
  • a badly built core (too little or too hard) allows namely no perfect structure of the rest of the winding.
  • the problem is particularly serious for pressure-sensitive papers, e.g. self-copying (SD) papers, the pressing of the Drums with the resulting roll against it
  • SD self-copying
  • the resulting roll of paper such as mentioned in the horizontal direction according to the roll growth postponed.
  • the paper roll reaches an enormous weight, the hundred Can exceed tons. Because of this, the paper roll on your Growing not so delicately pressed against the pressure drum fluctuations in line force are avoided.
  • Document (8) shows and describes a winding machine for winding a Paper web on a central drive reel.
  • This machine includes a winding station, a take-up station and a drive-less pressure roller.
  • the pressure roller is continuously on the circumference of the secondary roll in the winding station.
  • the track is run in such a way that it is constantly enters the inlet gap without wrapping.
  • the diameter of the The pressure roller is as small as that of a normal web guide roller. she is therefore, due to the lack of sufficient flexural rigidity, it is not arbitrary for application suitable for high line forces, especially not for extremely large web widths (up to approx. 10 m).
  • a special facility promotes a secondary drum and the pressure roller coupled to him up to the level of the winding station from which a previously wound paper roll has been removed.
  • the necessary for this Lift drive requires a complex construction.
  • the drum is also in one first position just wrapped, then lowered onto the rails and then finished wrapped in a second position.
  • the drum is also in one first position just wrapped, then lowered onto the rails and then finished wrapped in a second position.
  • US 3 857 524 A shows and describes a winding machine which according to the Poperoller principle works.
  • a carrying drum serves among other things. to start of a first drum.
  • a reel spooling device or "accelerator” provided.
  • Of the Drum is swung around the circumference of the carrying drum and arrives on horizontal rails, whereby it is pressed against the carrying drum becomes.
  • the winding process begins on the drum.
  • the carrying drum By means of the carrying drum on the circumference of the Tambours and the resulting paper roll transmit a torque. The In this case, winding takes place exclusively by applying the circumference attacking force.
  • EP 0 483 092 A relates to the following method: An empty reel is opened Web speed accelerated, then on horizontal rails placed on, pressed against a "winding cylinder", and the beginning of the web is opened the empty drum. The paper web is then up to the full roll wound up. The winding cylinder is stationary, while the reel is with the emerging role according to their growth on the rails is moved. A center drive and a peripheral drive act here on the role. If the roll is full, it will be in a delivery position spent and removed from the machine while a new empty reel accelerated and lowered onto the rails. Here too it is (as with Document 1 and 7) not possible the line force between the Winding cylinder and the resulting roll are sensitive enough to any Set values.
  • the invention has for its object a method and a To design the device for winding a running paper web in such a way that the winding hardness of the roll from the beginning to the end of the Winding process has the desired course, i.e. that the winding hardness is under control at every moment of the winding process.
  • the course of the winding hardness should increase Roll diameter can be adjusted as desired; e.g. constant or easy increasing or (preferably) slightly decreasing, but always steady.
  • the core area is usually a particularly high one, but sometimes also one relatively low winding hardness required (see the unpublished WO 97 01502 A).
  • the winding hardness should also be applied without application a line force between the resulting winding and the outer surface of the Pressure roller can be influenced.
  • Torque for the central reel drive and the specified line force must be independently adjustable within wide limits.
  • a additional requirement may be that the longitudinal tension of the approaching path - again independent of the other sizes - is adjustable. Nevertheless, the mechanical effort should of course be as possible be kept low.
  • the inventors first recognized that the poor quality of the windings produced on known winding machines is due to a number of interfering influences. These are in detail: Swiveling the reel along the circumference of the drum during the winding process, abrupt placement of the wound drum on the guideway, impacts and thus irregularities caused by the transfer of the drum from the primary lever pair to the secondary lever pair, irregularities when changing the drives. An important finding is that the properties of the finished paper roll are created to a decisive degree in the first phase of the winding. The inventors have further recognized that even the slightest irregularities during winding can be extremely harmful if these irregularities occur in the first phase mentioned. Such irregularities can consist, for example, in that the paper roll is wound up in a first station, moved to a second station and finished winding in this second station if vibrations occur.
  • the proven center drive is used at simultaneous application of a line force, which on the mantle of the emerging Paper roll attacks, by means of the pressure drum.
  • the line force to be applied to the jacket of the paper roll has an outstanding influence on the winding result.
  • the smallest changes in this line force lead to a disproportionate influence on the winding hardness.
  • Sharp deflections of the roll during winding, especially during winding, are harmful. Such diversions are avoided according to the invention.
  • the paper roll remains in during the winding process essentially in one and the same place - either in the winding position, or in the finished winding position. Only the pressure drum is used accordingly postponed the role growth, not the heavy role itself Pressure is therefore sensitive.
  • Figures 1 to 6 show six different work phases one first embodiment of a winding machine according to the invention.
  • FIGS. 7 to 9 and 10 and 11 show further exemplary embodiments.
  • the machine comprises a horizontal slide 1, which is on a guideway 2 can be moved in the horizontal direction.
  • the horizontal slide 1 carries one Pressure drum 3. This has a drive.
  • the bearings 3a of the Pressure drum 3 are on by means of a short-stroke force sensor 3.1 ("Sensomat") the horizontal slide 1 can also be moved horizontally.
  • the Horizontal slide 1 also carries a scraper 3.2 for temporary Lead the paper web (as a committee) down.
  • the support device 4 is only indicated schematically here. It can have different embodiments. So she can for example, comprise two rollers parallel to the paper roll, one by one Support band are wrapped.
  • a pressure roller 5 is provided in the area of the support device 4. This extends over the entire width of the paper roll 9.
  • the new drum 8 has a device 7 for accelerating it assigned (accelerator).
  • the Accelerator rollers 7.1, 7.2 and a drive belt 7.3 In the present case, the Accelerator rollers 7.1, 7.2 and a drive belt 7.3.
  • the paper roll 9 is almost finished wrapped.
  • the horizontal slide 1 is in [s] on the right [Extreme] position.
  • the pressure drum 3 is still on the circumference of the paper roll 9 on.
  • the pressure roller 5, however, is not yet on the circumference of the paper roll 9 on.
  • the horizontal slide 1 is in its left Extreme position (starting position) retracted.
  • the pressure roller 5 lies now on the circumference of the paper roll 9. It was created before Moving the horizontal slide 1 created so that there is no pressure-free Period of time there.
  • the new Leertambour 8 is located in Ready position and is based on the speed of the paper web 10 accelerates.
  • the new empty reel 8 is in its Working position lowered.
  • he lies on a pair of rails, this one is not shown, but which extends in the horizontal direction and below the axes of the pressure drum 3, the drum 8 and the Paper roll 9 runs.
  • the paper web 10 was cut so that a The beginning of the path is created. This is with the help of a blow nozzle on the scraper 3.2 and a further blowing nozzle 3.3 wound on the reel 8.
  • the new paper roll 9.1 has a certain Diameter (better: a certain layer thickness) reached.
  • FIG. 7 the winding machine equipped with a hold-down device 12.
  • This includes one Swivel arm 12.1 with a hold-down roller 12.2.
  • Figures 7 to 9 illustrate three different phases. The one shown in FIG Phase is the hold-down device in its inoperative position pivoted.
  • the hold-down device 12 In the phase according to FIG. 9, the hold-down device 12 is in its Working position pivoted in which it holds down the paper web 10. Therefore the new empty reel 8 could be lowered onto the rails, without being started beforehand.
  • Figure 10 illustrates the process flow in three phases, A, B and C of the winding process.
  • the positions the resulting or finished paper roll is marked with I and II featured.
  • phase A the winding process is nearing its end; the winding roll 9 is in the winding position.
  • FIG. 11 shows the same object as FIG. 10, but without a pressure roller 5.
  • the pressure drum 3 goes briefly with the winding roller 9 in the End position.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Sanitary Thin Papers (AREA)

Claims (6)

  1. Procédé d'enroulement d'une bande de papier défilant en continu, tout d'abord sur un premier tambour puis sur un second tambour, pour former un rouleau de papier sur chaque tambour, et ayant les caractéristiques suivantes :
    a) la bande de papier passe sur un tambour presseur, entraíné,
    b) le tambour presseur est mobile dans la direction horizontale et se trouve au début dans une position de départ,
    c) le déplacement du tambour presseur se fait sans déviation de direction uniquement dans la direction horizontale,
    d) le premier tambour est conduit dans une première position dans laquelle il est en contact avec la bande, le premier tambour est accéléré à la vitesse de la bande avant d'être mis en contact avec la bande et dans la première position, le premier tambour forme un intervalle avec le tambour presseur, à travers lequel passe la bande de papier,
    e) le premier tambour est stationnaire dans la première position
    f) pour former un nouveau début de bande on coupe en continu la bande de papier qui défile et on l'enroule sur un premier tambour rotatif,
    g) à partir du début de chaque opération d'enroulement jusque peu avant sa fin on pousse le tambour presseur, déplaçable horizontalement, contre la surface enveloppe du rouleau de papier qui se forme pour commander la force linéaire (L) entre le tambour presseur et le rouleau de papier,
    h) pendant toute l'opération d'enroulement on induit, par un entraínement central, un couple dans l'axe du premier tambour,
    i) à un certain instant de l'opération d'enroulement on déplace le premier tambour dans une seconde position stationnaire dans laquelle il reste jusqu'à la fin de l'opération d'enroulement,
    j) le déplacement du premier tambour dans la seconde position stationnaire se fait directement à partir de la première position stationnaire et cela sans changement de sens, exclusivement dans la direction horizontale,
    k) peu avant la fin de chaque opération d'enroulement on sépare le tambour presseur et le rouleau de papier,
    l) on déplace le tambour presseur dans la position initiale et on répète le procédé avec le second tambour.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le déplacement du tambour, de sa première position stationnaire à sa seconde position stationnaire, se fait lorsqu'on atteint une première épaisseur de couche définie du rouleau de papier (figures 5 et 6).
  3. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on déplace le tambour de la première position stationnaire à la seconde position stationnaire lorsque le rouleau de papier enroulé sur le tambour est pratiquement à son épaisseur de couche de consigne (figure 10 ou figure 11).
  4. Procédé selon la revendication 2,
    caractérisé en ce que
    la première épaisseur de couche représente au moins 0,1 fois, de préférence 0,3 fois, l'épaisseur de consigne de la couche.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que
    le tambour presseur (3) peut être déplacé par rapport à un chariot (1) mobile horizontalement pour assurer la commande de la force linéaire (L) entre le tambour presseur et le rouleau de papier et on déplace le chariot à une vitesse correspondant à l'augmentation du diamètre par unité de temps du rouleau de papier.
  6. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    le rouleau de papier est soutenu en surface dans la position (II, figure 1 ou I, figure 10) dans laquelle il atteint au moins approximativement l'épaisseur de couche de consigne.
EP97101106A 1996-02-27 1997-01-24 Procédé pour enrouler une bande de papier en un rouleau Expired - Lifetime EP0792829B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19607349A DE19607349A1 (de) 1996-02-27 1996-02-27 Verfahren und Vorrichtung zum Aufwickeln einer Papierbahn zu einer Rolle
DE19607349 1996-02-27

Publications (3)

Publication Number Publication Date
EP0792829A2 EP0792829A2 (fr) 1997-09-03
EP0792829A3 EP0792829A3 (fr) 1998-05-27
EP0792829B1 true EP0792829B1 (fr) 1999-12-08

Family

ID=7786566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101106A Expired - Lifetime EP0792829B1 (fr) 1996-02-27 1997-01-24 Procédé pour enrouler une bande de papier en un rouleau

Country Status (10)

Country Link
US (1) US5988557A (fr)
EP (1) EP0792829B1 (fr)
JP (1) JP3860276B2 (fr)
KR (1) KR970061744A (fr)
AT (1) ATE187412T1 (fr)
AU (1) AU1472397A (fr)
BR (1) BR9700305A (fr)
CA (1) CA2198289A1 (fr)
DE (2) DE19607349A1 (fr)
ID (1) ID15986A (fr)

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EP2298676A1 (fr) * 2009-09-17 2011-03-23 The Procter & Gamble Company Dispositif pelable pour dévider une toile de matériau d'un rouleau
CN108747556B (zh) * 2018-04-24 2020-06-09 浙江联品电子科技有限公司 一种加工发射机机箱的分剪机上的废料收集装置
CN112441457A (zh) * 2020-11-19 2021-03-05 江苏厚生新能源科技有限公司 一种新型降低收卷暴筋的大分切系统及工艺
SE2051451A1 (en) 2020-12-14 2021-10-26 Valmet Oy A method and a machine for winding a web onto spools to form a succession of web reels

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Also Published As

Publication number Publication date
BR9700305A (pt) 1998-10-27
KR970061744A (ko) 1997-09-12
CA2198289A1 (fr) 1997-08-27
JP3860276B2 (ja) 2006-12-20
AU1472397A (en) 1997-09-04
DE19607349A1 (de) 1997-08-28
ATE187412T1 (de) 1999-12-15
JPH09235052A (ja) 1997-09-09
US5988557A (en) 1999-11-23
EP0792829A3 (fr) 1998-05-27
ID15986A (id) 1997-08-21
DE59700810D1 (de) 2000-01-13
EP0792829A2 (fr) 1997-09-03

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