EP1714928B1 - Method for leading a web onto a roller and winding machine to carry out the method - Google Patents

Method for leading a web onto a roller and winding machine to carry out the method Download PDF

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Publication number
EP1714928B1
EP1714928B1 EP20060111600 EP06111600A EP1714928B1 EP 1714928 B1 EP1714928 B1 EP 1714928B1 EP 20060111600 EP20060111600 EP 20060111600 EP 06111600 A EP06111600 A EP 06111600A EP 1714928 B1 EP1714928 B1 EP 1714928B1
Authority
EP
European Patent Office
Prior art keywords
web
carrier drum
feed strip
spool
drum
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.)
Not-in-force
Application number
EP20060111600
Other languages
German (de)
French (fr)
Other versions
EP1714928A2 (en
EP1714928A3 (en
Inventor
Thomas Ristl
Franz Reisinger
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Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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Publication date
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Publication of EP1714928A2 publication Critical patent/EP1714928A2/en
Publication of EP1714928A3 publication Critical patent/EP1714928A3/en
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Publication of EP1714928B1 publication Critical patent/EP1714928B1/en
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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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • 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
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51534—Water jet
    • 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed

Definitions

  • the invention relates to a method for feeding a material web, in particular a paper or board web, on a spool, in particular on an empty or teilbewickelten drum, wherein first a AufzhoustMail the web over a peripheral region of a carrier drum in a reject container, in a resolver or on a Conveyor belt is guided.
  • the invention relates to a winding machine for carrying out the method according to the preamble of claim 16.
  • Such a method for feeding a material web onto a spool and such a winding machine for feeding a material web onto a spool is, for example, made US 4,147,287 known as the closest prior art.
  • Such a listing of a material web on a spool is required, for example, at the beginning of a new winding process with a new, still unwound spool ("empty bambour") or to continue an already started winding process after an unwanted or induced web break with an already partially wound spool.
  • the resulting problem with such a method is that the Aufzhoust Shape or the material web has the tendency to unintentionally perform themselves before the cutting on the drum ("self-performance").
  • self-performance of the leader strip or web is influenced by various factors, such as the nip geometry, the surface shape or the proportion of open areas, the reference hardness, the nip force and the paper property.
  • this problem increasingly occurs at high web speeds.
  • the tambour upstream carrier drum is designed as an evacuated drum, in the drum so a negative pressure is generated, which acts via corresponding openings in the drum on the web and this holds on the drum.
  • a self-performance of the web on the spool can be largely avoided. Due to the negative pressure in the carrier drum, however, the decrease of the web for discharge into the reject container is made more difficult.
  • the perforated jacket having a perforated jacket and / or provided with circumferential grooves is sucked from the outside in its part of the circumference not looped by the perforated support band and the material web.
  • this device can also avoid a self-performance of the material web on the spool, but the perforated support belt is subject to wear and must therefore be replaced at certain time intervals.
  • the suction of the more expensive in the production cost of the carrier drum with a perforated shell and / or with circumferential grooves increased running costs associated with it.
  • German Offenlegungsschrift DE 198 48 806 A1 directed.
  • This document discloses a method for applying a material web to a spool, in which the beginning of the material web to be fed is connected upstream of a spool Drum guided around and before being fed onto the spool of a preparation station such as a rejects dissolver is supplied. In this case, the material web is kept away from the tambour by means of blown air before being placed on the drum.
  • an apparatus for carrying out the method with a transverse to the web running direction Blasbalken with at least one outlet opening for the blown air, means for supplying blown air to the blowing bar and control means for controlling the introduction of blown air.
  • the US 4, 147, 287 discloses a system for presenting a paper web in which the paper web is supported by means of a Coanda flow. In this case, however, can form a tight core development preventing, air cushion between the first winding layers.
  • the invention is therefore based on the object, a method of the type mentioned in such a way that the AufzhoustMail is first performed reliably and controlled to the reject container, in the resolver or on the conveyor belt and that a Daufch the same on the spool regardless of the respective Position is prevented as much as possible, without thereby complicating the web removal of the drum before the drum.
  • a suitable winding machine for carrying out the method should be specified.
  • This inventive method ensures that the Aufzhoust Shape stabilized, that is reliably and controlled over the partial circumference of the carrier drum is performed. This increases the overall reliability and consequently the runability of the winding machine. Furthermore, the transfer time of the material web is reduced to the spool and scrap production is largely avoided. There is also the possibility of retrofitting existing winding machines without much effort, the installation and operating costs are low, both new installations and retrofits.
  • the introduction of the at least one liquid is preferably carried out in two ways: the carrier drum is sprayed in the region in which the AufzhoustMail runs up on them, at least during the leadership of the AufzhoustMails or the AufzhoustMail is sprayed at least during its leadership over the peripheral region of the carrier drum. Both possibilities fully provide the advantages mentioned above.
  • the at least one liquid is applied or applied with at least one preferably controllable spray device which comprises at least one, preferably a plurality of spray nozzles. This provides the advantage of increased process reliability with ideal introduction of at least one liquid.
  • the release strip is preferably detached from the carrier drum by means of at least one scraper which can preferably be adjusted, in particular by a blade and / or air scraper, which can be applied to the carrier drum constantly or only during the threading.
  • the scraper can also be provided with a collecting tray.
  • the first possibility is characterized in that during the guidance of the AufzhoustMails over the peripheral region of the carrier drum of the reel is applied to the carrier drum with formation of a nip between the carrier drum and the spool, that then drove the AufzhoustMail to a desired width of the web wide is and then that the web is severed and started with the winding of the web on the spool to a winding roll.
  • the second possibility is characterized in that during the guidance of the AufzhoustMails over the peripheral region of the carrier drum it is driven wide to a desired width of the web, that thereafter the drum is applied to the carrier drum in forming a nip between the carrier drum and the drum and that then the material web is severed and started with the winding of the web on the spool to a winding roll.
  • Both options have in common that they allow a fast and process-safe AufGermanvorgang the web on the spool at the lowest possible reject rates and also favor.
  • the spreading of the leader strip to a desired width of the material web is preferably carried out by means of at least one lace cutter and the desired width of the material web is generally the entire web width.
  • the cutting of the material web takes place only after it meets at least one desired quality feature and / or production feature.
  • Desired quality features of the web are, for example, the Surface roughness, the shrinkage transverse profile and the fiber orientation, whereas desired production characteristics of the web are, for example, the web speed, the web width or the production quantity.
  • a winding machine with the characterizing features of claim 16 is proposed.
  • at least one, preferably a plurality of spray nozzles having and preferably controllable / sprayable spray device is provided which introduces at least one liquid between the carrier drum and the Aufzhoust Shape at least during the leadership of the AufzhoustMails over the peripheral region of the carrier drum.
  • a mixture of liquids, a gas, a mixture of gases, a condensing gaseous medium, in particular steam, and the like can be introduced.
  • the at least one spray device is preferably arranged in such a way that the carrier drum is sprayed with the at least one liquid at least during the guidance of the leader strip in the region in which the leader strip runs up onto it and / or that the leader strip is sprayed over the peripheral region at least during its guidance the carrier drum is sprayed with the at least one liquid.
  • the spray device preferably comprises at least one feed line, a shut-off device, a volume adjuster and a plurality of spray nozzles.
  • the winding machine further preferably comprises at least one preferably engageable scraper, in particular a blade and / or air scraper for releasing the AufzhoustMails of the carrier drum, wherein it has a scraper width which is at least equal to the width of the AufzhoustMails or at least equal to the width of the carrier drum is.
  • the winding machine described below is generally for winding a running fibrous web, such as a paper or board web used.
  • the winding machine can be arranged at the end of a machine for producing or finishing a moving fibrous web to wind the finished running fibrous web to a winding roll. But the winding machine can also be used to roll finished winder rolls. Purely by way of example, it is assumed that this is a winding machine for winding a continuous fibrous web.
  • FIG. 1 shows a schematic and perspective view of a winding machine 1 for winding a web 2 on a spool 3. It includes a so-called Anpresstrommel or support roller carrier drum 4, which is either rigidly mounted or along an imaginary by means of a pressing device, not shown, and that of a not shown drive, in particular a center drive, is driven.
  • Anpresstrommel or support roller carrier drum 4 which is either rigidly mounted or along an imaginary by means of a pressing device, not shown, and that of a not shown drive, in particular a center drive, is driven.
  • the various types of storage and movement for the carrier drum 4 are in particular in the European patent application EP 0 941 955 A2 disclosed; its content is hereby made the subject of this description.
  • EP 0 941 955 A2 European patent application
  • With regard to the other structural properties and procedural aspects of the winding machine 1 and the course of the winding process is on the PCT Publication WO 98/52858 A1 referred; The content of this application is hereby made
  • the winding machine 1 is used in the manner described also at times to perform the material web 2 on the spool 3, in particular an empty or teilbewickelten tambour.
  • a separate from the web 2 outfeed strip 5 is guided over a peripheral region 6 of the carrier drum 4, which in turn in the direction of movement B (arrow) of the AufzhoustMails 5 a reject container (see. FIG. 2 ), a dissolver or a conveyor belt is arranged downstream.
  • the drum 3 Before leading the leader strip 5 to the carrier drum 2, the drum 3 is arranged such that there is a radial distance A of at least 1 mm between the carrier drum 4 and the drum 3.
  • a mixture of liquids, a gas, a mixture of gases, a condensing gaseous medium, in particular steam, and the like can be introduced.
  • the spraying device 7 is arranged such that the carrier drum 4 is sprayed with the at least one liquid 9 in the region 10 in which the leader strip 5 runs onto it, at least during the guidance of the leader strip 5.
  • the carrier drum 4 comprises at least one supply line 11, a shut-off device and a volume adjuster, the two last-mentioned components being known to the person skilled in the art and therefore not shown in detail.
  • FIG. 2 shows a schematic and side view of the winding machine 1 of FIG. 1 ,
  • a scrap container 12 can be seen to some extent, which is arranged downstream in the direction of movement B (arrow) of the Aufteilstsammlungs 5 of the carrier drum 4.
  • a scraper 13 which can preferably be adjusted, in particular a blade and / or air scraper, can be seen for releasing the leader strip 5 from the carrier drum 4, which can be applied to the carrier drum 4 constantly or only during the threading.
  • the scraper 13 has a scraper width which is at least equal to the width of the Aufzhoustsammlungs 5.
  • the scraper 13 may also have a scraper width which is at least equal to the width of the carrier drum 4.
  • a plurality of spray nozzles 8 having and preferably controllable spray device 7 is arranged and aligned such that the at least one liquid 9 between the carrier drum 4 and the Aufzhoustsammlung 5 at least during the leadership of the AufzhoustMails 5 on the peripheral portion 6 of Carrying drum 4 is introduced.
  • it can also be arranged and aligned in such a way that the leader strip 5 is sprayed with the at least one liquid 9 over the peripheral region 6 of the carrier drum 4 at least during its guidance.
  • the winding machine 1 shown in the two figures and according to the invention is in an excellent manner also for carrying out the method according to the invention for feeding a material web, in particular a paper or board web, on a spool, in particular on an empty or teilbewickelten tambour. Also, the two possibilities of the Auflandergangs can be realized ideally and easily.
  • the spreading of the leader strip 5 to a desired width of the material web 2 is preferably carried out by means of at least one known lace cutter and the desired width of the material web 2 is generally the entire web width. And the severing of the material web 2 takes place in a known manner passively, in particular by self-separation by forming a loop, and / or actively, in particular by means of a gooseneck, an IBS band or a water jet, and only then, after the material web 2 at least one desired quality feature and / or production feature. Desired quality features of the material web 2 are, for example, the surface roughness, the shrinkage transverse profile and the fiber orientation, whereas desired production characteristics of the material web 2 are, for example, the web speed, the web width or the production quantity.

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  • Paper (AREA)
  • Replacement Of Web Rolls (AREA)
  • Sanitary Thin Papers (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Aufführen einer Materialbahn, insbesondere einer Papier- oder Kartonbahn, auf einen Tambour, insbesondere auf einen leeren oder teilbewickelten Tambour, wobei zunächst ein Aufführstreifen der Materialbahn über einen Umfangsbereich einer Tragtrommel in einen Ausschussbehälter, in einen Auflöser oder auf ein Förderband geführt wird.The invention relates to a method for feeding a material web, in particular a paper or board web, on a spool, in particular on an empty or teilbewickelten drum, wherein first a Aufführstreifen the web over a peripheral region of a carrier drum in a reject container, in a resolver or on a Conveyor belt is guided.

Weiterhin betrifft die Erfindung eine Wickelmaschine zur Durchführung des Verfahrens gemäß dem Oberbegriff des Anspruchs 16.Furthermore, the invention relates to a winding machine for carrying out the method according to the preamble of claim 16.

Ein derartiges Verfahren zum Aufführen einer Materialbahn auf einen Tambour und eine derartige Wickelmaschine zum Aufführen einer Materialbahn auf einen Tambour ist beispielsweise aus US 4,147,287 bekannt, die als nächstliegendes Stand der Technik angesehen wird.Such a method for feeding a material web onto a spool and such a winding machine for feeding a material web onto a spool is, for example, made US 4,147,287 known as the closest prior art.

Ein derartiges Aufführen einer Materialbahn auf einen Tambour ist beispielsweise zu Beginn eines neuen Wickelvorgangs mit einem neuen, noch unbewickelten Tambour ("Leertambour") oder zur Fortsetzung eines bereits gestarteten Wickelvorgangs nach einem ungewollten oder herbeigeführten Bahnabriss mit einem bereits teilbewickelten Tambour erforderlich.Such a listing of a material web on a spool is required, for example, at the beginning of a new winding process with a new, still unwound spool ("empty bambour") or to continue an already started winding process after an unwanted or induced web break with an already partially wound spool.

Es ist allgemein bekannt, den aus einer Maschine zur Herstellung oder Veredelung einer Materialbahn kommenden und über einen Teil des Umfangs der Tragtrommel geführten Aufführstreifen, zum Beispiel der Randstreifen der Materialbahn, sofort auf den mit der Tragtrommel einen Wickelspalt bildenden Tambour aufzuführen. Erst danach wird der Aufführstreifen auf die volle Materialbahnbreite verbreitert. Durch das sofortige Aufführen des Aufführstreifens auf den Tambour entsteht eine so genannte "Wickelkarotte" mit ungleichmäßiger Verteilung der Bahnspannung zumindest im Wickelkern. Somit besteht der Nachteil, dass der anfänglich aufgewickelte Teil der Materialbahn beim Wiederabwickeln der Materialbahn als Ausschuss verworfen werden muss. Es kann auch, zum Beispiel nach einem Stillstand der Herstellungs- oder Veredelungsmaschine, vorkommen, dass die Materialbahn anfangs noch nicht die gewünschten Qualitäts- und/oder Produktionsmerkmale aufweist. In diesem Fall ist es unerwünscht, den nicht verkäuflichen Teil der Materialbahn aufzuwickeln anstatt ihn sofort als Ausschuss abzuführen.It is generally known to perform the leading from a machine for producing or finishing a material web and guided over part of the circumference of the carrier drum Aufführstreifen, for example, the edge strip of the web, immediately on the winding drum with the reel forming a reel spool. Only then is the leader strip widened to the full web width. By the immediate Aufführstreifens on the tambour creates a so-called "winding carrot" with uneven distribution of the web tension at least in the hub. Thus, there is the Disadvantage that the initially wound part of the web when rewinding the web must be discarded as broke. It may also occur, for example after a stoppage of the manufacturing or finishing machine, that the material web initially does not yet have the desired quality and / or production characteristics. In this case, it is undesirable to wind up the non-salable part of the material web instead of immediately removing it as scrap.

Um die Bildung einer "Wickelkarotte" zu verhindern und um die Materialbahn erst nach Erfüllen der gewünschten Qualitäts- und/oder Produktionsmerkmale auf den Tambour aufzuführen, wird, wie auch allgemein bekannt ist, der Aufführstreifen über einen Teil des Umfangs der dem Tambour vorgeschalteten Tragtrommel hinweg einem Ausschussbehälter ("Pulper") oder einem Auflöser zugeführt. Verschiedenartige Ausschussbehälter sind aus zahlreichen Veröffentlichungen bekannt, so beispielsweise aus der europäischen Patentschrift EP 0 664 267 B1 , aus der deutschen Offenlegungsschrift DE 197 44 505 A1 und aus dem Sonderdruck aus dem "Wochenblatt für Papierfabrikation" 123, 1995, Nr. 4, Seite 5. Nach dem Breitfahren des Aufführstreifens unter kontinuierlichem Abführen desselben in den Ausschussbehälter wird die jetzt in voller Breite ankommende Materialbahn durchgetrennt und erst danach auf den Tambour aufgeführt.In order to prevent the formation of a "winding carrot" and to perform the material web only after fulfilling the desired quality and / or production characteristics on the spool, as is well known, the leader strip over a portion of the circumference of the reel drum upstream of the spool fed to a waste container ("pulper") or a dissolver. Various reject containers are known from numerous publications, for example from the European patent specification EP 0 664 267 B1 , from the German patent application DE 197 44 505 A1 and from the offprint from the "Wochenblatt für Papierfabrikation" 123, 1995, No. 4, page 5. After the spreading of the leader strip with continuous removal of the same in the reject container, the now full-width incoming web is severed and only then listed on the drum ,

Das entstehende Problem bei einem derartigen Verfahren besteht darin, dass der Aufführstreifen beziehungsweise die Materialbahn die Tendenz besitzt, sich schon vor dem Durchtrennen auf den Tambour ungewollt selbst aufzuführen ("Selbstaufführung"). Die Tendenz der Selbstaufführung des Aufführstreifens beziehungsweise der Materialbahn wird von verschiedenen Faktoren, beispielsweise der Nipgeometrie, der Oberflächenform beziehungsweise dem Anteil der offenen Flächen, der Bezugshärte, der Nipkraft und der Papiereigenschaft, beeinflusst. Zusätzlich tritt dieses Problem verstärkt bei hohen Bahngeschwindigkeiten auf.The resulting problem with such a method is that the Aufführstreifen or the material web has the tendency to unintentionally perform themselves before the cutting on the drum ("self-performance"). The tendency of self-performance of the leader strip or web is influenced by various factors, such as the nip geometry, the surface shape or the proportion of open areas, the reference hardness, the nip force and the paper property. In addition, this problem increasingly occurs at high web speeds.

Es ist daher bereits versucht worden, dieses Problem dadurch zu lösen, dass, wie in der europäischen Patentschrift EP 0 658 504 B1 offenbart, die dem Tambour vorgeschaltete Tragtrommel als besaugte Trommel ausgeführt ist, in der Trommel also ein Unterdruck erzeugt wird, der über entsprechende Öffnungen in der Trommel auf die Materialbahn wirkt und diese an der Trommel festhält. Zwar kann hiermit eine Selbstaufführung der Materialbahn auf den Tambour weitgehend vermieden werden. Durch den Unterdruck in der Tragtrommel wird jedoch die Abnahme der Bahn zur Ableitung in den Ausschussbehälter erschwert.It has therefore already been attempted to solve this problem by the fact that, as in the European patent EP 0 658 504 B1 disclosed, the tambour upstream carrier drum is designed as an evacuated drum, in the drum so a negative pressure is generated, which acts via corresponding openings in the drum on the web and this holds on the drum. Although hereby a self-performance of the web on the spool can be largely avoided. Due to the negative pressure in the carrier drum, however, the decrease of the web for discharge into the reject container is made more difficult.

Weiterhin ist in der deutschen Offenlegungsschrift DE 198 48 816 A1 eine Wickelmaschine zum Aufwickeln einer Materialbahn auf einen Tambour vorgeschlagen, bei der die über eine Einlaufwalze zugeführte Materialbahn zusammen mit einem perforierten Stützband über eine besaugbare Tragtrommel geführt und zwischen der Tragtrommel und dem Tambour ein Wickelspalt gebildet wird. Dabei ist das Stützband im Anschluss an die Tragtrommel über eine Auslaufwalze geführt, die im Bereich eines Ausschussauflösers angeordnet ist, in den das Aufführende der Materialbahn oder die gesamte Materialbahn vor einem späteren Aufführen auf den Tambour abgeführt wird. Ferner ist die einen gelochten Mantel aufweisende und/oder mit Umfangsrillen versehene Tragtrommel in ihrem nicht von dem perforierten Stützband und der Materialbahn umschlungenen Teil des Umfangs von außen besaugt. Diese Vorrichtung kann zwar auch eine Selbstaufführung der Materialbahn auf den Tambour vermeiden, jedoch unterliegt das perforierte Stützband einem Verschleiß und muss somit in bestimmten Zeitintervallen ersetzt werden. Auch bringt die Besaugung der in den Herstellungskosten teureren Tragtrommel mit einem gelochten Mantel und/oder mit Umfangsrillen erhöhte laufende Betriebskosten mit sich.Furthermore, in the German Offenlegungsschrift DE 198 48 816 A1 a winding machine for winding a web on a tambour proposed in which the supplied via an inlet roller material web out together with a perforated support belt on a besaugbare carrier drum and formed between the carrier drum and the spool a winding nip. In this case, the support belt is guided following the carrier drum via an outlet roller which is arranged in the region of a rejects dissolver, in which the performer of the material web or the entire web is removed before a later Aufspielen on the spool. Furthermore, the perforated jacket having a perforated jacket and / or provided with circumferential grooves is sucked from the outside in its part of the circumference not looped by the perforated support band and the material web. Although this device can also avoid a self-performance of the material web on the spool, but the perforated support belt is subject to wear and must therefore be replaced at certain time intervals. Also, the suction of the more expensive in the production cost of the carrier drum with a perforated shell and / or with circumferential grooves increased running costs associated with it.

Ferner wird bezüglich des Stands der Technik auf die deutsche Offenlegungsschrift DE 198 48 806 A1 verwiesen. Diese Druckschrift offenbart ein Verfahren zum Aufführen einer Materialbahn auf einen Tambour, bei welchem der Anfang der aufzuführenden Materialbahn um eine dem Tambour vorgeschaltete Trommel herumgeführt und vor dem Aufführen auf den Tambour einer Vorbereitungsstation wie beispielsweise einem Ausschussauflöser zugeführt wird. Dabei wird die Materialbahn vor dem Aufführen auf den Tambour mittels Blasluft vom Tambour ferngehalten. Offenbart wird ferner eine Vorrichtung zur Durchführung des Verfahrens mit einem quer zur Bahnlaufrichtung angeordneten Blasbalken mit mindestens einer Austrittsöffnung für die Blasluft, Mittel zur Zuführung von Blasluft zum Blasbalken und Steuermittel zum Steuern des Einbringens von Blasluft. Zwar kann auch durch dieses Verfahren und diese Vorrichtung eine Selbstaufführung der Materialbahn auf den Tambour weitestgehend vermieden werden, jedoch bringt der Bedarf an Blasluft erhöhte Investitionskosten und hohe laufende Betriebskosten für die offenbarte Vorrichtung mit sich.Further, with respect to the prior art, the German Offenlegungsschrift DE 198 48 806 A1 directed. This document discloses a method for applying a material web to a spool, in which the beginning of the material web to be fed is connected upstream of a spool Drum guided around and before being fed onto the spool of a preparation station such as a rejects dissolver is supplied. In this case, the material web is kept away from the tambour by means of blown air before being placed on the drum. Disclosed is also an apparatus for carrying out the method with a transverse to the web running direction Blasbalken with at least one outlet opening for the blown air, means for supplying blown air to the blowing bar and control means for controlling the introduction of blown air. Although a self-performance of the web on the spool can be largely avoided by this method and this device, but the need for blast air brings increased investment costs and high ongoing operating costs for the disclosed device with it.

Die US 4, 147, 287 offenbart ein System zur Aufführung einer Papierbahn, bei dem die Papierbahn mittels einer Coanda- Strömung unterstützt wird. Dabei können sich jedoch, eine stramme Kernanwicklung verhindernde, Luftpolster zwischen den ersten Wickellagen ausbilden.The US 4, 147, 287 discloses a system for presenting a paper web in which the paper web is supported by means of a Coanda flow. In this case, however, can form a tight core development preventing, air cushion between the first winding layers.

Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art so weiterzubilden, dass der Aufführstreifen zunächst bis in den Ausschussbehälter, in den Auflöser oder auf das Förderband zuverlässig und kontrolliert geführt wird und dass ein Selbstaufführen desselben auf den Tambour unabhängig von dessen jeweiliger Position soweit wie möglich verhindert wird, ohne dadurch die Bahnabnahme von der dem Tambour vorgeschalteten Tragtrommel zu erschweren. Außerdem soll eine geeignete Wickelmaschine zur Durchführung des Verfahrens angegeben werden.The invention is therefore based on the object, a method of the type mentioned in such a way that the Aufführstreifen is first performed reliably and controlled to the reject container, in the resolver or on the conveyor belt and that a Selbstaufführen the same on the spool regardless of the respective Position is prevented as much as possible, without thereby complicating the web removal of the drum before the drum. In addition, a suitable winding machine for carrying out the method should be specified.

Diese Aufgabe wird bei Verfahren erfindungsgemäß dadurch gelöst, dass zwischen die Tragtrommel und den Aufführstreifen zumindest während der Führung des Aufführstreifens über den Umfangsbereich der Tragtrommel mindestens eine Flüssigkeit eingebracht wird. Anstelle der mindestens einen Flüssigkeit kann auch ein Gemisch von Flüssigkeiten, ein Gas, ein Gemisch von Gasen, ein kondensierendes gasförmiges Medium, insbesondere Dampf, und dergleichen eingebracht werden.This object is achieved in the method according to the invention in that at least one liquid is introduced between the carrier drum and the Aufführstreifen at least during the leadership of the Aufführstreifens over the peripheral region of the carrier drum. Instead of the at least one liquid, a mixture of liquids, a gas, a mixture of gases, a condensing gaseous medium, in particular steam, and the like can be introduced.

Die erfindungsgemäße Aufgabe wird auf diese Weise vollkommen gelöst.The object of the invention is completely solved in this way.

Dieses erfindungsgemäße Verfahren gewährleistet, dass der Aufführstreifen stabilisiert, das heißt zuverlässig und kontrolliert über den Teilumfang der Tragtrommel geführt wird. Dadurch erhöht sich insgesamt die Betriebssicherheit und infolgedessen die Runability der Wickelmaschine. Weiterhin reduziert sich die Überführzeit der Materialbahn auf den Tambour und eine Ausschussproduktion wird weitestgehend vermieden. Auch besteht die Möglichkeit einer Nachrüstung an bestehenden Wickelmaschinen ohne größeren Aufwand, wobei die Installations- und Betriebskosten gering ausfallen, sowohl bei Neuinstallationen als auch bei Nachrüstungen.This inventive method ensures that the Aufführstreifen stabilized, that is reliably and controlled over the partial circumference of the carrier drum is performed. This increases the overall reliability and consequently the runability of the winding machine. Furthermore, the transfer time of the material web is reduced to the spool and scrap production is largely avoided. There is also the possibility of retrofitting existing winding machines without much effort, the installation and operating costs are low, both new installations and retrofits.

Die Einbringung der mindestens einen Flüssigkeit erfolgt bevorzugt auf zweierlei Arten: die Tragtrommel wird in dem Bereich, in welchem der Aufführstreifen auf sie aufläuft, zumindest während der Führung des Aufführstreifens besprüht oder der Aufführstreifen wird zumindest während seiner Führung über den Umfangsbereich der Tragtrommel besprüht. Beide Möglichkeiten erbringen vollumfänglich die zuvor genannten Vorteile.The introduction of the at least one liquid is preferably carried out in two ways: the carrier drum is sprayed in the region in which the Aufführstreifen runs up on them, at least during the leadership of the Aufführstreifens or the Aufführstreifen is sprayed at least during its leadership over the peripheral region of the carrier drum. Both possibilities fully provide the advantages mentioned above.

Die mindestens eine Flüssigkeit wird mit wenigstens einer vorzugsweise steuer-/regelbaren Sprüheinrichtung, die mindestens eine, vorzugsweise mehrere Sprühdüsen umfasst, ein- beziehungsweise aufgebracht. Dies erbringt den Vorteil einer erhöhten Prozesssicherheit bei idealer Einbringung der mindestens einen Flüssigkeit.The at least one liquid is applied or applied with at least one preferably controllable spray device which comprises at least one, preferably a plurality of spray nozzles. This provides the advantage of increased process reliability with ideal introduction of at least one liquid.

Ferner erfolgt das Lösen des Aufführstreifens von der Tragtrommel bevorzugt durch mindestens einen vorzugsweise anstellbaren Schaber, insbesondere durch einen Klingen- und/oder Luftschaber, wobei dieser ständig oder nur während des Aufführens an die Tragtrommel angelegt sein kann. Der Schaber kann selbstverständlich auch mit einer Auffangwanne versehen sein. Somit wird der Aufführstreifen ortsgenau von der Tragtrommel bei besten Sicherheiten gelöst.Furthermore, the release strip is preferably detached from the carrier drum by means of at least one scraper which can preferably be adjusted, in particular by a blade and / or air scraper, which can be applied to the carrier drum constantly or only during the threading. Of course, the scraper can also be provided with a collecting tray. Thus, the Aufführstreifen is exactly solved by the carrier drum with the best collateral.

Hinsichtlich des Aufführvorgangs sind bevorzugt zwei Möglichkeiten vorgesehen. Die erste Möglichkeit zeichnet sich dadurch aus, dass während der Führung des Aufführstreifens über den Umfangsbereich der Tragtrommel der Tambour an die Tragtrommel bei Ausbildung eines Nips zwischen der Tragtrommel und dem Tambour angelegt wird, dass danach der Aufführstreifen bis zu einer gewünschten Breite der Materialbahn breit gefahren wird und dass anschließend die Materialbahn durchtrennt und mit dem Aufwickeln der Materialbahn auf den Tambour zu einer Wickelrolle begonnen wird. Die zweite Möglichkeit ist dadurch gekennzeichnet, dass während der Führung des Aufführstreifens über den Umfangsbereich der Tragtrommel er bis zu einer gewünschten Breite der Materialbahn breit gefahren wird, dass danach der Tambour an die Tragtrommel bei Ausbildung eines Nips zwischen der Tragtrommel und dem Tambour angelegt wird und dass anschließend die Materialbahn durchtrennt und mit dem Aufwickeln der Materialbahn auf den Tambour zu einer Wickelrolle begonnen wird. Beiden Möglichkeiten ist gemeinsam, dass sie einen schnellen und prozesssicheren Aufführvorgang der Materialbahn auf den Tambour bei möglichst kleinen Ausschussraten ermöglichen und auch begünstigen.With regard to the Aufführvorgangs two options are preferably provided. The first possibility is characterized in that during the guidance of the Aufführstreifens over the peripheral region of the carrier drum of the reel is applied to the carrier drum with formation of a nip between the carrier drum and the spool, that then drove the Aufführstreifen to a desired width of the web wide is and then that the web is severed and started with the winding of the web on the spool to a winding roll. The second possibility is characterized in that during the guidance of the Aufführstreifens over the peripheral region of the carrier drum it is driven wide to a desired width of the web, that thereafter the drum is applied to the carrier drum in forming a nip between the carrier drum and the drum and that then the material web is severed and started with the winding of the web on the spool to a winding roll. Both options have in common that they allow a fast and process-safe Aufführvorgang the web on the spool at the lowest possible reject rates and also favor.

Das Breitfahren des Aufführstreifens bis zu einer gewünschten Breite der Materialbahn erfolgt bevorzugt mittels mindestens eines Spitzenschneiders und die gewünschte Breite der Materialbahn ist im Regelfall die ganze Bahnbreite.The spreading of the leader strip to a desired width of the material web is preferably carried out by means of at least one lace cutter and the desired width of the material web is generally the entire web width.

Weiterhin kann das Durchtrennen der Materialbahn passiv, insbesondere durch Selbsttrennung mittels Ausbildung einer Schlaufe, und/oder aktiv, insbesondere mittels eines Goosenecks, eines IBS-Bands oder eines Wasserstrahls, erfolgen, da alle genannten Arten sich durch eine hohe Zuverlässigkeit, Präzision und Kostenvorteile auszeichnen.Furthermore, the severing of the material web passively, in particular by self-separation by forming a loop, and / or actively, in particular by means of a gooseneck, an IBS band or a water jet, done, since all the above types are characterized by high reliability, precision and cost advantages ,

Bevorzugt erfolgt das Durchtrennen der Materialbahn erst dann, nachdem sie mindestens ein gewünschtes Qualitätsmerkmal und/oder Produktionsmerkmal erfüllt. Gewünschte Qualitätsmerkmale der Materialbahn sind beispielsweise die Oberflächenrauhigkeit, das Schrumpfungsquerprofil und die Faserorientierung, wohingegen gewünschte Produktionsmerkmale der Materialbahn beispielsweise die Bahngeschwindigkeit, die Bahnbreite oder die Produktionsmenge sind.Preferably, the cutting of the material web takes place only after it meets at least one desired quality feature and / or production feature. Desired quality features of the web are, for example, the Surface roughness, the shrinkage transverse profile and the fiber orientation, whereas desired production characteristics of the web are, for example, the web speed, the web width or the production quantity.

Weiterhin wird vor dem Heranführen des Aufführstreifens an die Tragtrommel der Tambour derart angeordnet, dass zwischen der Tragtrommel und dem Tambour ein radialer Abstand von mindestens 1 mm besteht. Dadurch wird auf effektive Weise sichergestellt, dass selbst bei geringsten Aufführzeiten sich der Aufführstreifen beziehungsweise die Materialbahn nicht selbst auf den Tambour aufführt.Furthermore, prior to bringing the Aufführstreifens to the carrier drum of the spool is arranged such that there is a radial distance of at least 1 mm between the carrier drum and the spool. As a result, it is ensured in an effective manner that even with the shortest possible execution times, the threading strip or the material web does not itself perform on the drum.

Zur Lösung der Aufgabe wird auch eine Wickelmaschine mit den kennzeichnenden Merkmalen des Anspruchs 16 vorgeschlagen. Hierbei ist wenigstens eine mindestens eine, vorzugsweise mehrere Sprühdüsen aufweisende und vorzugsweise steuer-/regelbare Sprüheinrichtung vorgesehen, die mindestens eine Flüssigkeit zwischen die Tragtrommel und den Aufführstreifen zumindest während der Führung des Aufführstreifens über den Umfangsbereich der Tragtrommel einbringt. Anstelle der mindestens einen Flüssigkeit kann auch ein Gemisch von Flüssigkeiten, ein Gas, ein Gemisch von Gasen, ein kondensierendes gasförmiges Medium, insbesondere Dampf, und dergleichen eingebracht werden.To solve the problem, a winding machine with the characterizing features of claim 16 is proposed. In this case, at least one, preferably a plurality of spray nozzles having and preferably controllable / sprayable spray device is provided which introduces at least one liquid between the carrier drum and the Aufführstreifen at least during the leadership of the Aufführstreifens over the peripheral region of the carrier drum. Instead of the at least one liquid, a mixture of liquids, a gas, a mixture of gases, a condensing gaseous medium, in particular steam, and the like can be introduced.

Die mindestens eine Sprüheinrichtung ist bevorzugt derart angeordnet, dass die Tragtrommel in dem Bereich, in welchem der Aufführstreifen auf sie aufläuft, zumindest während der Führung des Aufführstreifens mit der mindestens einen Flüssigkeit besprüht wird und/oder dass der Aufführstreifen zumindest während seiner Führung über den Umfangsbereich der Tragtrommel mit der mindestens einen Flüssigkeit besprüht wird. Die Sprüheinrichtung umfasst hierbei bevorzugt zumindest eine Zuleitung, ein Absperrorgan, einen Mengeneinsteller und mehrere Sprühdüsen.The at least one spray device is preferably arranged in such a way that the carrier drum is sprayed with the at least one liquid at least during the guidance of the leader strip in the region in which the leader strip runs up onto it and / or that the leader strip is sprayed over the peripheral region at least during its guidance the carrier drum is sprayed with the at least one liquid. The spray device preferably comprises at least one feed line, a shut-off device, a volume adjuster and a plurality of spray nozzles.

Die Wickelmaschine weist weiterhin bevorzugt mindestens einen vorzugsweise anstellbaren Schaber, insbesondere ein Klingen- und/oder Luftschaber, zum Lösen des Aufführstreifens von der Tragtrommel auf, wobei er eine Schaberbreite aufweist, die zumindest gleich der Breite des Aufführstreifens oder die zumindest gleich der Breite der Tragtrommel ist.The winding machine further preferably comprises at least one preferably engageable scraper, in particular a blade and / or air scraper for releasing the Aufführstreifens of the carrier drum, wherein it has a scraper width which is at least equal to the width of the Aufführstreifens or at least equal to the width of the carrier drum is.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den abhängigen Ansprüchen und der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Zeichnung.Further features and advantages of the invention will become apparent from the dependent claims and the following description of preferred embodiments with reference to the drawing.

Es zeigen

Figur 1
eine schematische und perspektivische Ansicht einer erfindungsgemäßen Wickelmaschine; und
Figur 2
eine schematische und Seitenansicht der Wickelmaschine der Figur 1.
Show it
FIG. 1
a schematic and perspective view of a winding machine according to the invention; and
FIG. 2
a schematic and side view of the winding machine of FIG. 1 ,

Die im Folgenden beschriebene Wickelmaschine ist allgemein zum Aufwickeln einer laufenden Faserstoffbahn, beispielsweise einer Papier- oder Kartonbahn, einsetzbar. Die Wickelmaschine kann am Ende einer Maschine zur Herstellung oder Veredelung einer laufenden Faserstoffbahn angeordnet werden, um die fertige laufende Faserstoffbahn zu einer Wickelrolle aufzuwickeln. Die Wickelmaschine kann aber auch zum Umrollen fertiger Wickelrollen verwendet werden. Rein beispielhaft wird davon ausgegangen, dass es sich hier um eine Wickelmaschine zum Aufwickeln einer fortlaufenden Faserstoffbahn handelt.The winding machine described below is generally for winding a running fibrous web, such as a paper or board web used. The winding machine can be arranged at the end of a machine for producing or finishing a moving fibrous web to wind the finished running fibrous web to a winding roll. But the winding machine can also be used to roll finished winder rolls. Purely by way of example, it is assumed that this is a winding machine for winding a continuous fibrous web.

Die Figur 1 zeigt eine schematische und perspektivische Ansicht einer Wickelmaschine 1 zum Aufwickeln einer Materialbahn 2 auf einen Tambour 3. Sie umfasst eine auch als Anpresstrommel oder Stützwalze bezeichnete Tragtrommel 4, die entweder starr gelagert oder entlang einer gedachten mittels einer nicht dargestellten Anpresseinrichtung verlagerbar ist und die von einem nicht dargestellten Antrieb, insbesondere einem Zentrumsantrieb, angetrieben ist. Die verschiedenen Lagerungs- und Bewegungsarten für die Tragtrommel 4 sind insbesondere in der europäischen Patentanmeldung EP 0 941 955 A2 offenbart; ihr Inhalt wird hiermit zum Gegenstand dieser Beschreibung gemacht. Hinsichtlich der weiteren konstruktiven Eigenschaften und verfahrenstechnischen Aspekte der Wickelmaschine 1 und dem Ablauf des Wickelverfahrens wird auf die PCT-Offenlegungsschrift WO 98/52858 A1 verwiesen; auch der Inhalt dieser Anmeldung wird hiermit vollinhaltlich zum Gegenstand dieser Beschreibung gemacht.The FIG. 1 shows a schematic and perspective view of a winding machine 1 for winding a web 2 on a spool 3. It includes a so-called Anpresstrommel or support roller carrier drum 4, which is either rigidly mounted or along an imaginary by means of a pressing device, not shown, and that of a not shown drive, in particular a center drive, is driven. The various types of storage and movement for the carrier drum 4 are in particular in the European patent application EP 0 941 955 A2 disclosed; its content is hereby made the subject of this description. With regard to the other structural properties and procedural aspects of the winding machine 1 and the course of the winding process is on the PCT Publication WO 98/52858 A1 referred; The content of this application is hereby made the subject of this description.

Die Wickelmaschine 1 dient in beschriebener Weise auch zeitweise zum Aufführen der Materialbahn 2 auf den Tambour 3, insbesondere einen leeren oder teilbewickelten Tambour. Dabei ist ein aus der Materialbahn 2 heraus getrennter Aufführstreifen 5 über einen Umfangsbereich 6 der Tragtrommel 4 geführt, der wiederum in Bewegungsrichtung B (Pfeil) des Aufführstreifens 5 ein Ausschussbehälter (vgl. Figur 2), ein Auflöser oder ein Förderband nachgeordnet ist. Vor dem Heranführen des Aufführstreifens 5 an die Tragtrommel 2 wird der Tambour 3 derart angeordnet, dass zwischen der Tragtrommel 4 und dem Tambour 3 ein radialer Abstand A von mindestens 1 mm besteht.The winding machine 1 is used in the manner described also at times to perform the material web 2 on the spool 3, in particular an empty or teilbewickelten tambour. In this case, a separate from the web 2 outfeed strip 5 is guided over a peripheral region 6 of the carrier drum 4, which in turn in the direction of movement B (arrow) of the Aufführstreifens 5 a reject container (see. FIG. 2 ), a dissolver or a conveyor belt is arranged downstream. Before leading the leader strip 5 to the carrier drum 2, the drum 3 is arranged such that there is a radial distance A of at least 1 mm between the carrier drum 4 and the drum 3.

Es ist eine mindestens eine, vorzugsweise mehrere Sprühdüsen 8 aufweisende und vorzugsweise steuer-/regelbare Sprüheinrichtung 7 vorgesehen, die mindestens eine Flüssigkeit 9 zwischen die Tragtrommel 4 und den Aufführstreifen 5 zumindest während der Führung des Aufführstreifens 5 über den Umfangsbereich 6 der Tragtrommel 4 einbringt. Anstelle der mindestens einen Flüssigkeit kann auch ein Gemisch von Flüssigkeiten, ein Gas, ein Gemisch von Gasen, ein kondensierendes gasförmiges Medium, insbesondere Dampf, und dergleichen eingebracht werden.There is provided at least one, preferably a plurality of spray nozzles 8 and preferably controllable spray device 7, which introduces at least one liquid 9 between the carrier drum 4 and the leader strip 5 at least during the guidance of the leader strip 5 over the peripheral region 6 of the carrier drum 4. Instead of the at least one liquid, a mixture of liquids, a gas, a mixture of gases, a condensing gaseous medium, in particular steam, and the like can be introduced.

Die Sprüheinrichtung 7 ist derart angeordnet, dass die Tragtrommel 4 in dem Bereich 10, in welchem der Aufführstreifen 5 auf sie aufläuft, zumindest während der Führung des Aufführstreifens 5 mit der mindestens einen Flüssigkeit 9 besprüht wird. Weiterhin umfasst sie zumindest eine Zuleitung 11, ein Absperrorgan und einen Mengeneinsteller, wobei die beiden zuletzt genannten Bauteile dem Fachmann bekannt und deshalb nicht näher dargestellt sind.The spraying device 7 is arranged such that the carrier drum 4 is sprayed with the at least one liquid 9 in the region 10 in which the leader strip 5 runs onto it, at least during the guidance of the leader strip 5. Farther it comprises at least one supply line 11, a shut-off device and a volume adjuster, the two last-mentioned components being known to the person skilled in the art and therefore not shown in detail.

Die Figur 2 zeigt eine schematische und Seitenansicht der Wickelmaschine 1 der Figur 1.The FIG. 2 shows a schematic and side view of the winding machine 1 of FIG. 1 ,

Dabei ist ansatzweise ein Ausschussbehälter 12 zu erkennen, der in Bewegungsrichtung B (Pfeil) des Aufführstreifens 5 der Tragtrommel 4 nachgeordnet ist.In this case, a scrap container 12 can be seen to some extent, which is arranged downstream in the direction of movement B (arrow) of the Aufführstreifens 5 of the carrier drum 4.

Weiterhin ist ein vorzugsweise anstellbarer Schaber 13, insbesondere ein Klingen- und/oder Luftschaber, zum Lösen des Aufführstreifens 5 von der Tragtrommel 4 zu erkennen, der ständig oder nur während des Aufführens an die Tragtrommel 4 angelegt sein kann. Der Schaber 13 weist eine Schaberbreite auf, die zumindest gleich der Breite des Aufführstreifens 5 ist. Jedoch kann der Schaber 13 auch eine Schaberbreite aufweisen, die zumindest gleich der Breite der Tragtrommel 4 ist.Furthermore, a scraper 13 which can preferably be adjusted, in particular a blade and / or air scraper, can be seen for releasing the leader strip 5 from the carrier drum 4, which can be applied to the carrier drum 4 constantly or only during the threading. The scraper 13 has a scraper width which is at least equal to the width of the Aufführstreifens 5. However, the scraper 13 may also have a scraper width which is at least equal to the width of the carrier drum 4.

Wie bereits erwähnt, ist die vorzugsweise mehrere Sprühdüsen 8 aufweisende und vorzugsweise steuer-/regelbare Sprüheinrichtung 7 derart angeordnet und ausgerichtet, dass die mindestens eine Flüssigkeit 9 zwischen die Tragtrommel 4 und den Aufführstreifen 5 zumindest während der Führung des Aufführstreifens 5 über den Umfangsbereich 6 der Tragtrommel 4 eingebracht wird. Jedoch kann sie auch derart angeordnet und ausgerichtet sein, dass der Aufführstreifen 5 zumindest während seiner Führung über den Umfangsbereich 6 der Tragtrommel 4 mit der mindestens einen Flüssigkeit 9 besprüht wird.As already mentioned, preferably a plurality of spray nozzles 8 having and preferably controllable spray device 7 is arranged and aligned such that the at least one liquid 9 between the carrier drum 4 and the Aufführstreifen 5 at least during the leadership of the Aufführstreifens 5 on the peripheral portion 6 of Carrying drum 4 is introduced. However, it can also be arranged and aligned in such a way that the leader strip 5 is sprayed with the at least one liquid 9 over the peripheral region 6 of the carrier drum 4 at least during its guidance.

Die in den beiden Figuren dargestellte und erfindungsgemäße Wickelmaschine 1 eignet sich in hervorragender Weise auch zur Durchführung des erfindungsgemäßen Verfahrens zum Aufführen einer Materialbahn, insbesondere einer Papier- oder Kartonbahn, auf einen Tambour, insbesondere auf einen leeren oder teilbewickelten Tambour. Auch lassen sich ideal und problemlos die beiden Möglichkeiten des Aufführvorgangs realisieren.The winding machine 1 shown in the two figures and according to the invention is in an excellent manner also for carrying out the method according to the invention for feeding a material web, in particular a paper or board web, on a spool, in particular on an empty or teilbewickelten tambour. Also, the two possibilities of the Aufführvorgangs can be realized ideally and easily.

Das Breitfahren des Aufführstreifens 5 bis zu einer gewünschten Breite der Materialbahn 2 erfolgt bevorzugt mittels mindestens eines bekannten Spitzenschneiders und die gewünschte Breite der Materialbahn 2 ist im Regelfall die ganze Bahnbreite. Und das Durchtrennen der Materialbahn 2 erfolgt in bekannter Weise passiv, insbesondere durch Selbsttrennung mittels Ausbildung einer Schlaufe, und/oder aktiv, insbesondere mittels eines Goosenecks, eines IBS-Bands oder eines Wasserstrahls, und erst dann, nachdem die Materialbahn 2 mindestens ein gewünschtes Qualitätsmerkmal und/oder Produktionsmerkmal erfüllt. Gewünschte Qualitätsmerkmale der Materialbahn 2 sind beispielsweise die Oberflächenrauhigkeit, das Schrumpfungsquerprofil und die Faserorientierung, wohingegen gewünschte Produktionsmerkmale der Materialbahn 2 beispielsweise die Bahngeschwindigkeit, die Bahnbreite oder die Produktionsmenge sind.The spreading of the leader strip 5 to a desired width of the material web 2 is preferably carried out by means of at least one known lace cutter and the desired width of the material web 2 is generally the entire web width. And the severing of the material web 2 takes place in a known manner passively, in particular by self-separation by forming a loop, and / or actively, in particular by means of a gooseneck, an IBS band or a water jet, and only then, after the material web 2 at least one desired quality feature and / or production feature. Desired quality features of the material web 2 are, for example, the surface roughness, the shrinkage transverse profile and the fiber orientation, whereas desired production characteristics of the material web 2 are, for example, the web speed, the web width or the production quantity.

Zusammenfassend ist festzuhalten, dass durch die Erfindung ein Verfahren der eingangs genannten Art so weitergebildet wird, dass der Aufführstreifen zunächst bis in den Ausschussbehälter, in den Auflöser oder auf das Förderband zuverlässig und kontrolliert geführt wird und dass ein Selbstaufführen desselben auf den Tambour unabhängig von dessen jeweiliger Position soweit wie möglich verhindert wird, ohne dadurch die Bahnabnahme von der dem Tambour vorgeschalteten Tragtrommel zu erschweren.In summary, it should be noted that a method of the type mentioned above is developed by the invention that the leader is first reliably and controlled up to the reject container, in the resolver or on the conveyor belt and that a Selbstaufführen the same on the spool regardless of the respective position is prevented as much as possible, without thereby complicating the web removal of the tambour upstream carrier drum.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Wickelmaschinewinder
22
Materialbahnweb
33
Tambourdrummer
44
Tragtrommelcarrying drum
55
Aufführstreifenfeed strip
66
Umfangsbereichperipheral region
77
Sprüheinrichtungspraying
88th
Sprühdüsespray nozzle
99
Mediummedium
1010
BereichArea
1111
Zuleitungsupply
1212
AusschussbehälterCommittee container
1313
Schaberscraper
AA
Abstanddistance
BB
Bewegungsrichtung (Pfeil)Direction of movement (arrow)

Claims (20)

  1. Method for feeding a web (2), in particular a paper or board web, onto a spool (3), in particular onto an empty or partly wound spool (3), first of all a feed strip (5) of the web (2) being guided over a circumferential region (6) of a carrier drum (4) into a broke container (12), into a pulper or onto a conveyor belt,
    characterized in that
    at least one liquid is introduced between the carrier drum (4) and the feed strip (5), at least as the feed strip (5) is being guided over the circumferential region (6) of the carrier drum (4).
  2. Method according to Claim 1,
    characterized in that
    the carrier drum (4) is sprayed with the at least one liquid (9) in the region (10) in which the feed strip (5) runs onto the said carrier drum (4), at least during the guidance of the feed strip (5).
  3. Method according to Claim 1 or 2,
    characterized in that
    the feed strip (5) is sprayed with the at least one liquid (9), at least while the said feed strip is being guided over the circumferential region (6) of the carrier drum (4).
  4. Method according to one of the preceding claims,
    characterized in that
    the at least one liquid (9) is introduced or applied with at least one spraying device (7) which can preferably be controlled/regulated and which comprises at least one spray nozzle (8), preferably a plurality thereof.
  5. Method according to one of the preceding claims,
    characterized in that
    the feed strip (5) is detached from the carrier drum (4) by at least one preferably adjustable doctor (13), in particular by a blade doctor and/or air knife.
  6. Method according to Claim 5,
    characterized in that
    the doctor (13) is applied to the carrier drum (4) continuously or only during the feeding.
  7. Method according to one of the preceding claims,
    characterized in that
    as the feed strip (5) is guided over the circumferential region (6) of the carrier drum (4), the spool (3) is set against the carrier drum (4), forming a nip between the carrier drum (4) and the spool (3),
    in that after that the feed strip (5) is widened as far as a desired width of the web (2) and
    in that the web (2) is then severed and a start is made on winding the web (2) onto the spool (3) to form a wound reel.
  8. Method according to one of Claims 1 to 6,
    characterized in that
    as the feed strip (5) is guided over the circumferential region (6) of the carrier drum (4), it is widened as far as a desired width of the web (2),
    in that after that the spool (3) is set against the carrier drum (4), forming a nip between the carrier drum (4) and the spool (3), and
    in that the web (2) is then severed and a start is made on winding the web (2) onto the spool (3) to form a wound reel.
  9. Method according to Claim 7 or 8,
    characterized in that
    the feed strip (5) is widened as far as a desired width of the web (2) by means of at least one tip cutter.
  10. Method according to Claim 7 or 8,
    characterized in that
    the desired width of the web (2) is the entire web width.
  11. Method according to one of Claims 7 to 10,
    characterized in that
    the web (2) is severed passively, in particular by means of self-severing by means of forming a loop, and/or actively, in particular by means of a gooseneck, an IBS band or a water jet.
  12. Method according to one of Claims 7 to 11,
    characterized in that
    the web (2) is severed after it has satisfied at least one desired quality feature and/or production feature.
  13. Method according to Claim 12,
    characterized in that
    the at least one quality feature of the web (2) is the surface roughness, the transverse shrinkage profile or the fibre orientation.
  14. Method according to Claim 12,
    characterized in that
    the at least one production feature of the web (2) is the web speed, the web width or the production rate.
  15. Method according to one of the preceding claims,
    characterized in that
    before the feed strip (5) is led up to the carrier drum (4), the spool (3) is arranged in such a way that there is a radial spacing (A) of at least 1 mm between the carrier drum (4) and the spool (3).
  16. Winding machine (1) for feeding a web (2), in particular a paper or board web, onto a spool (3), in particular an empty or partly wound spool (3), having a carrier drum (4) over the circumferential region (6) of which a feed strip (5) is led, and having a broke container (12), pulper or conveyor belt arranged after the carrier drum (4) in the direction of movement (B) of the feed strip (5), for carrying out the method according to one of Claims 1 to 15,
    characterized in that
    at least one spraying device (7) having at least one spray nozzle, preferably a plurality of spray nozzles (8), and preferably capable of being controlled/regulated is provided, which introduces at least one liquid (9) between the carrier drum (4) and the feed strip (5), at least as the feed strip (5) is being guided over the circumferential region (6) of the carrier drum (4).
  17. Winding machine (1) according to Claim 16,
    characterized in that
    the at least one spraying device (7) is arranged in such a way that the carrier drum (4) is sprayed with the at least one liquid (9) in the region (10) in which the feed strip (5) runs onto the said carrier drum (4), at least as the feed strip (5) is being guided.
  18. Winding machine (1) according to Claim 16 or 17,
    characterized in that
    the at least one spraying device (7) is arranged in such a way that the feed strip (5) is sprayed with the at least one liquid (9), at least as the said feed strip (5) is being guided over the circumferential region (6) of the carrier drum (4).
  19. Winding machine (1) according to Claim 16, 17 or 18,
    characterized in that
    the at least one spraying device (7) that can preferably be controlled/regulated comprises at least one feed line (11), a shut-off element, a volume adjuster and a plurality of spray nozzles (8).
  20. Winding machine (1) according to one of Claims 16 to 19,
    characterized in that
    at least one preferably adjustable doctor (13) is provided, in particular a blade doctor and/or air knife, for detaching the feed strip (5) from the carrier drum (4).
EP20060111600 2005-04-19 2006-03-23 Method for leading a web onto a roller and winding machine to carry out the method Not-in-force EP1714928B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510000036 DE102005000036A1 (en) 2005-04-19 2005-04-19 Method for feeding a material web onto a spooling and winding machine for carrying out the method

Publications (3)

Publication Number Publication Date
EP1714928A2 EP1714928A2 (en) 2006-10-25
EP1714928A3 EP1714928A3 (en) 2007-10-17
EP1714928B1 true EP1714928B1 (en) 2012-07-25

Family

ID=36729236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060111600 Not-in-force EP1714928B1 (en) 2005-04-19 2006-03-23 Method for leading a web onto a roller and winding machine to carry out the method

Country Status (2)

Country Link
EP (1) EP1714928B1 (en)
DE (1) DE102005000036A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000798A1 (en) * 2007-09-28 2009-04-02 Voith Patent Gmbh Method for winding a moving material web and winding machine for carrying out the method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI94231C (en) 1993-12-16 1995-08-10 Valmet Paper Machinery Inc Method and apparatus for winding a web of paper or paperboard in a pope winder or the like
DE19848816A1 (en) * 1998-10-22 2000-04-27 Voith Sulzer Papiertech Patent Winding machine
DE19848806A1 (en) 1998-10-22 2000-04-27 Voith Sulzer Papiertech Patent Method for threading a material web onto a drum and device for carrying out the method
DE19848813A1 (en) 1998-10-22 2000-04-27 Voith Sulzer Papiertech Patent Winding machine
DE19907550A1 (en) 1999-02-22 2000-08-31 Voith Sulzer Papiertech Patent Material web feed method for winding reel holds feed strip of material web against carrier drum before moving winding reel into contact with latter and separation of material web
DE19913219A1 (en) 1999-03-24 2000-09-28 Voith Sulzer Papiertech Patent Method and device for threading a material web onto a reel

Also Published As

Publication number Publication date
EP1714928A2 (en) 2006-10-25
DE102005000036A1 (en) 2006-10-26
EP1714928A3 (en) 2007-10-17

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