EP0997416B1 - Méthode pour guider une bande de matériau sur un tambour et dispositif pour la réalisation de cette méthode - Google Patents

Méthode pour guider une bande de matériau sur un tambour et dispositif pour la réalisation de cette méthode Download PDF

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Publication number
EP0997416B1
EP0997416B1 EP99114489A EP99114489A EP0997416B1 EP 0997416 B1 EP0997416 B1 EP 0997416B1 EP 99114489 A EP99114489 A EP 99114489A EP 99114489 A EP99114489 A EP 99114489A EP 0997416 B1 EP0997416 B1 EP 0997416B1
Authority
EP
European Patent Office
Prior art keywords
spool
drum
blown air
material web
web
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
EP99114489A
Other languages
German (de)
English (en)
Other versions
EP0997416A1 (fr
Inventor
Roland Möller
Werner Leitenberger
Jörg Dr. Maurer
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 Paper Patent 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 Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Publication of EP0997416A1 publication Critical patent/EP0997416A1/fr
Application granted granted Critical
Publication of EP0997416B1 publication Critical patent/EP0997416B1/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
    • B65H19/2261—Pope-roller
    • 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
    • B65H2301/4141—Preparing winding process
    • B65H2301/41414—Preparing winding process involving pulper or doctor blade or air knife
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • 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
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • the present invention relates to a method for threading a material web on a drum, especially in a paper making machine, at which the beginning of the material web to be performed around a drum upstream of the drum was led around and in front of the Performing on the drum of a preparation station such as is fed to a reject resolver.
  • the invention also relates to a device for performing such a method.
  • Such a listing of a material web on a drum is, for example at the beginning of a winding process required to start the web to wind up on an empty reel. Such is a performance process in the event of a web break required to start a new web perform on the wound drum or an empty drum. For this purpose, the empty drum or the wound drum on the Drum put on after the previously wound drum has been removed has been.
  • a problem with such a method is that the Performs material web before cutting on the reel itself. This problem is particularly common at high machine speeds.
  • the invention has for its object a method of the beginning mentioned type so that self-performance of the material web on the empty drum or the wound drum as far as is prevented without reducing the web acceptance of the To complicate drum upstream drum.
  • a suitable device for performing this method specified become.
  • This object is achieved in that the material web before performing on the drum is kept away from the drum by means of blowing air.
  • a suitable device for performing a Material web on a drum, especially in a Paper making machine where the beginning of the to be listed Material web around a drum upstream of the drum led around and before performing on the drum one Preparation station such as a reject resolver is fed, is characterized in that a blow bar transverse to Web running direction, in the area between carrier drum and drum and arranged below the contact line of the drum on the carrying drum is that with at least one outlet opening for the blown air, means for Supply of blown air to the blow bar and control means for control of blowing air is provided.
  • the blown air thus forms a kind Air knife, which is between the material web and the empty reel or cuts into the wound drum, thereby preventing that the material web on the empty reel or the wound reel perform themselves. It has proven to be advantageous if the blowing air at a flat angle on the surface of the empty reel or the wound drum is inserted.
  • the blowing air is at least temporarily introduced over the entire width of the material web. This configuration makes self-performance particularly safe prevented and the material web evenly from the empty reel or from led wound drum away.
  • the blowing air is at least at times only in a partial area of the material web, especially in the Area of the tip. This can save blown air without increasing the risk of self-performance or the Management of the material web is deteriorated.
  • the blowing air is at one Performance process automatically switched on. Operation of the device is simplified. It is preferred if the blowing air is switched on with a time delay at the start of the performance process, whereby in turn blown air can be saved.
  • the blowing air is at one Web break activated via the break control.
  • the activation of the Blown air can be simplified in this way.
  • the distance is preferred set via at least one distance sensor. Over the predetermined Distance can affect the effect of the blowing air on the particular circumstances be advantageously adapted. For example, the nature of the material web and the web running speed be taken into account.
  • blow bar for carrying out the invention
  • the process is structurally inexpensive and special at the same time effective. Due to the adjustability of the blow bar between one Blow position, in which the blow bar in particular on the lateral surface the empty drum or the wound drum is approximated, and a retracted position can be a suitable distance between the blow bar and the respective lateral surface can be set without disrupt the normal operation of the machine.
  • a positioning device provided by which the blow bar to a predetermined Distance to the empty reel or the wound reel is adjustable.
  • the positioning device preferably comprises at least a distance sensor. With this positioning device Displacement of the blow bar in a suitable manner.
  • the positioning device is preferably automatic in the event of a web break enableable.
  • the blowing bar is then preferred by the activated positioning device to the predetermined distance from the empty reel or proceed to the wound drum.
  • The is also preferred Blowing process triggered with a time delay when the positioning device is activated.
  • the blow bar extends across the entire width of the material web.
  • the blown air advantageously only in certain areas of the material web be applied.
  • the blowing air can only in the area the tip of the material web are applied. This too blowing air is saved.
  • the winding device shown in Fig. 1 comprises a on a machine floor 1 arranged frame 2 with a rotatable therein according to arrow 1 supported drum 3, through which a material web 4 on a Drum 5 can be wound up.
  • the drum 5 is in a frame 6 in Direction on the support drum 3 according to arrow II and according to Arrow III rotatably mounted, which in turn on the machine base 1 is arranged.
  • the drum 5 is shown in dash-dot lines as a wound drum, which is pressed onto the carrier drum 3. With a solid line an empty reel 7 is shown, which opens when the reel is changed the carrier drum 3 is placed and guided around it according to arrow IV is to be used in the frame 6 instead of a full reel 5 become.
  • blow bar 8 In the area between the drum 3 and drum 5 and below the The contact line A of the drum 5 on the carrying drum 3 is a blow bar 8 arranged, which is in particular over the entire width of the web Material web 4 extends and on a guide unit 9 according to arrow V is slidably guided.
  • the blow bar 8 has air outlet openings 10 on which blowing air can be blown out in the direction of arrow VI.
  • a solid line shows a position of the blow bar 8, in which is so close to the surface of the empty reel 7, that the air outlet openings of the blow bar 10 to the lateral surface of the Empty reels 7 have a predetermined distance.
  • the distance is set via a distance sensor 11, for example via a photocell.
  • a position of the blow bar is shown in broken lines 8, in which this the surface of a wound drum 5 is approximated and to this a predetermined, via the distance sensor 11 has set distance. The is not shown Fully retracted position of the blow bar 8.
  • the blow bar 8 with the air outlet openings 10 is like this arranged that the blowing air according to arrow VI at a flat angle ⁇ on the outer surface of the empty drum 7 or the wound drum 5 hits.
  • the blown air acts as an air knife through which the material web 4 from the outer surface of the empty drum 7 or the wound drum 5 is kept away.
  • the one around the drum 3 led around material web 4, this of this for example by means of a Scraper 12 is removed, so in a below the winding device located, not shown Committee resolver according to Arrow VII are carried away.
  • the distance sensor 11 forms with a control device, not shown a positioning device by which the blow bar 8 is preferred automatically between its blowing position and the withdrawn position Position is displaceable.
  • the positioning device is automatically activated.
  • the blow bar 8 is in its blow position move and, especially with a time delay, the blown air switched on. Initially, only one of the leading points of the material web can be used assigned blow zone of the blow bar 8 are activated to blow air only to be applied to the material web 4 in this area. To Spreading the material web 4 is then blown air across the entire width of the blow bar 8 introduced onto the material web 4.
  • the material web 4 By blowing the material web 4 before the actual threading process the material web 4 is self-guided on the empty reel 7 or safely prevented the wound drum 5. There is no negative pressure required in the support drum 3 so that the removal of the material web 4 of the carrier drum 3 with the scraper 12 possible without any problems is.
  • the introduction of the blown air is controlled automatically, so that the whole process is easy to do.
  • the invention Blower bar 8 for introducing the blown air is structurally inexpensive and does not hinder normal operation due to its movability the winding device.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (20)

  1. Procédé pour engager une bande de matière (4) sur un tambour (5, 7), en particulier dans une machine de fabrication de papier, dans lequel le début de la bande de matière (4) à engager est guidé autour d'un cylindre (3) disposé avant le tambour (5, 7) et amené, avant l'engagement sur le tambour (5, 7), à une station de préparation comme par exemple un broyeur de casses,
    caractérisé en ce que
    la bande de matière (4) est tenue à l'écart du tambour (5, 7) à l'aide d'air de soufflage avant son engagement sur le tambour (5, 7).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le tambour vide (7) posé sur le cylindre (3) et/ou le tambour (5) pressé contre le cylindre (3) sont soumis, en aval de la ligne de contact (A) du cylindre (3) et du tambour (5, 7), à de l'air de soufflage dirigé contre le sens de défilement de la bande (VII).
  3. Procédé selon la revendication 2,
    caractérisé en ce que
    l'air de soufflage est appliqué sur la surface d'enveloppe du tambour (5, 7) selon un angle plat (α).
  4. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    l'air de soufflage est appliqué au moins par moments sur toute la largeur de la bande de matière (4).
  5. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    l'air de soufflage est appliqué au moins par moments sur uniquement une région partielle de la bande de matière (4), en particulier dans la région de la pointe d'engagement.
  6. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    l'air de soufflage est mis en marche automatiquement lors d'une opération d'engagement.
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    l'air de soufflage est mis en marche avec une temporisation au début de l'opération d'engagement.
  8. Procédé selon la revendication 6 ou 7,
    caractérisé en ce que
    l'air de soufflage est commandé par l'intermédiaire de la commande d'arrachage lors d'un arrachage de la bande.
  9. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    l'air de soufflage est appliqué depuis une distance prédéterminée par rapport à la surface d'enveloppe du tambour (5, 7).
  10. Procédé selon la revendication 9,
    caractérisé en ce que
    la distance est réglée à l'aide d'au moins un capteur de distance (11 ).
  11. Dispositif pour engager une bande de matière (4) sur un tambour (5, 7), en particulier dans une machine de fabrication de papier, dans lequel le début de la bande de matière (4) à engager est guidé autour d'un cylindre (3) disposé avant le tambour (5, 7) et amené, avant l'engagement sur le tambour (5, 7), à une station de préparation comme par exemple un broyeur de casses,
    caractérisé en ce que
    une rampe de soufflage (8) est disposée transversalement par rapport au sens de défilement de la bande (VII) dans la région située entre le cylindre porteur (3) et le tambour (5) et en dessous de la ligne de contact (A) du tambour (5) à côté du cylindre porteur (3), qui est munie d'au moins une ouverture de sortie (10) pour l'air de soufflage, de moyens d'amenée d'air de soufflage à la rampe de soufflage (8) et de moyens de commande pour commander l'application d'air de soufflage.
  12. Dispositif selon la revendication 11,
    caractérisé en ce que
    la rampe de soufflage (8) est mobile entre une position de soufflage, dans laquelle la rampe de soufflage (8) est rapprochée en particulier de la surface d'enveloppe du tambour (5, 7), et une position reculée.
  13. Dispositif selon la revendication 12,
    caractérisé en ce que
    un dispositif de positionnement est prévu, grâce auquel la rampe de soufflage (8) peut être réglée à une distance prédéterminée par rapport au tambour (5, 7).
  14. Dispositif selon la revendication 13,
    caractérisé en ce que
    le dispositif de positionnement comprend au moins un capteur de distance (11 ).
  15. Dispositif selon la revendication 13 ou 14,
    caractérisé en ce que
    le dispositif de positionnement peut s'activer automatiquement dans le cas d'un arrachage de la bande.
  16. Dispositif selon la revendication 15,
    caractérisé en ce que
    la rampe de soufflage (8) peut être déplacée à la distance prédéterminée par rapport au tambour (5, 7) par le dispositif de positionnement activé.
  17. Dispositif selon la revendication 15 ou 16,
    caractérisé en ce que
    l'opération de soufflage peut être déclenchée avec une temporisation lorsque le dispositif de positionnement est activé.
  18. Dispositif selon l'une des revendications 11 à 17,
    caractérisé en ce que
    la rampe de soufflage (8) s'étend sur toute la largeur de la bande de matière (4).
  19. Dispositif selon l'une des revendications 11 à 18,
    caractérisé en ce que
    la rampe de soufflage (8) présente au moins une zone de soufflage commandable séparément.
  20. Dispositif selon la revendication 19,
    caractérisé en ce que
    la rampe de soufflage (8) présente une zone de soufflage commandable séparément pour la pointe d'engagement de la bande de matière (4).
EP99114489A 1998-10-22 1999-07-23 Méthode pour guider une bande de matériau sur un tambour et dispositif pour la réalisation de cette méthode Expired - Lifetime EP0997416B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848806A DE19848806A1 (de) 1998-10-22 1998-10-22 Verfahren zum Aufführen einer Materialbahn auf einen Tambour und Vorrichtung zur Durchführung des Verfahrens
DE19848806 1998-10-22

Publications (2)

Publication Number Publication Date
EP0997416A1 EP0997416A1 (fr) 2000-05-03
EP0997416B1 true EP0997416B1 (fr) 2004-02-25

Family

ID=7885346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114489A Expired - Lifetime EP0997416B1 (fr) 1998-10-22 1999-07-23 Méthode pour guider une bande de matériau sur un tambour et dispositif pour la réalisation de cette méthode

Country Status (4)

Country Link
US (1) US6332587B1 (fr)
EP (1) EP0997416B1 (fr)
AT (1) ATE260215T1 (fr)
DE (2) DE19848806A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094602A1 (fr) 2009-02-23 2010-08-26 Voith Patent Gmbh Procédé d'engagement d'une bande de matériau et dispositif de mise en œuvre du procédé

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913219A1 (de) * 1999-03-24 2000-09-28 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Aufführen einer Materialbahn auf einen Tambour
US7237743B2 (en) * 2004-07-16 2007-07-03 Metso Paper, Inc. Sheet windup starter
DE102005000036A1 (de) 2005-04-19 2006-10-26 Voith Patent Gmbh Verfahren zum Aufführen einer Materialbahn auf einen Tambour und Wickelmaschine zur Durchführung des Verfahrens
US7986410B2 (en) * 2008-03-18 2011-07-26 Voith Patent Gmbh Method for detecting a fibrous web tear in a drying section of a machine for producing the fibrous web and apparatus for performing said method
DE102009002077A1 (de) * 2009-04-01 2010-10-07 Voith Patent Gmbh Wickelmaschine zum Aufwickeln einer Materialbahn auf einen Wickelkern
EP2532613B1 (fr) * 2011-06-09 2017-08-09 Valmet Technologies, Inc. Procédé pour enrouler des rouleaux de matériau fibreux et enrouleuse
US9555993B2 (en) 2012-04-18 2017-01-31 Jesco Holding A/S Winding apparatus for winding a web into a roll
AT526335B1 (de) * 2023-02-08 2024-02-15 Berndorf Innovations Und Tech Gmbh Vorrichtung zum Wickeln einer Materialbahn

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US1894253A (en) * 1929-06-28 1933-01-10 Pope Appliance Corp Mechanism for winding paper into rolls
US4445646A (en) * 1982-03-05 1984-05-01 Beloit Corporation Apparatus and method for starting successive leading ends on travelling web in a winder
DE9017797U1 (fr) * 1990-10-27 1992-04-30 J.M. Voith Gmbh, 7920 Heidenheim, De
DE9103749U1 (fr) * 1991-03-27 1991-06-27 J.M. Voith Gmbh, 7920 Heidenheim, De
DE4216653C2 (de) 1992-05-20 1995-12-21 Voith Gmbh J M Abrißüberwachungseinrichtung für Papierbahnen
DE9206844U1 (fr) * 1992-05-20 1992-08-13 J.M. Voith Gmbh, 7920 Heidenheim, De
FI94231C (fi) 1993-12-16 1995-08-10 Valmet Paper Machinery Inc Menetelmä ja laite paperi- tai kartonkirainan kiinnirullauksessa pope-rullaimessa tai vastaavassa
DE4401959C2 (de) 1994-01-24 1996-07-25 Voith Gmbh J M Tragtrommelroller für eine Papiermaschine
FI99283C (fi) * 1996-07-16 1998-06-10 Valmet Corp Menetelmä paperirainan tai vastaavan rainamaisen materiaalin päänviennissä rullauslaitteessa, erityisesti pituusleikkurissa sekä laite menetelmän toteuttamiseksi
FI102093B (fi) * 1997-03-03 1998-10-15 Valmet Corp Rainan viimeistelyosa paperikoneessa
US5943787A (en) 1997-03-03 1999-08-31 Valmet Corporation Web finishing section in a paper machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094602A1 (fr) 2009-02-23 2010-08-26 Voith Patent Gmbh Procédé d'engagement d'une bande de matériau et dispositif de mise en œuvre du procédé
DE102009001087A1 (de) 2009-02-23 2010-08-26 Voith Patent Gmbh Verfahren zum Aufführen einer Materialbahn und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
ATE260215T1 (de) 2004-03-15
DE59908630D1 (de) 2004-04-01
US6332587B1 (en) 2001-12-25
EP0997416A1 (fr) 2000-05-03
DE19848806A1 (de) 2000-04-27

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