EP0664267A2 - Winder with supporting drum for a paper-making machine - Google Patents

Winder with supporting drum for a paper-making machine Download PDF

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Publication number
EP0664267A2
EP0664267A2 EP94119806A EP94119806A EP0664267A2 EP 0664267 A2 EP0664267 A2 EP 0664267A2 EP 94119806 A EP94119806 A EP 94119806A EP 94119806 A EP94119806 A EP 94119806A EP 0664267 A2 EP0664267 A2 EP 0664267A2
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EP
European Patent Office
Prior art keywords
drum
winding
carrier drum
carrier
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.)
Granted
Application number
EP94119806A
Other languages
German (de)
French (fr)
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EP0664267B1 (en
EP0664267A3 (en
Inventor
Karl Rück
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 Sulzer Papiermaschinen GmbH
Original Assignee
Voith Sulzer Papiermaschinen GmbH
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Publication date
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Publication of EP0664267A2 publication Critical patent/EP0664267A2/en
Publication of EP0664267A3 publication Critical patent/EP0664267A3/en
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Publication of EP0664267B1 publication Critical patent/EP0664267B1/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
    • B65H19/2261—Pope-roller
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/54—Auxiliary process performed during handling process for managing processing of handled material
    • B65H2301/543—Auxiliary process performed during handling process for managing processing of handled material processing waste material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/12—Density

Definitions

  • reel drives are used that introduce a torque into the reel - so-called center drives.
  • Such a center drive has become known from publication (4). It is necessary to provide two reel drives, one of which is arranged on the drive side and the other on the driver side of the carrier drum roller. This ensures that a torque is applied to the resulting roll during its entire migration along the guideway.
  • Document (5) forms the preamble of claim 1.
  • the second carrier drum provided there serves to come into contact with the paper roll for a relatively short period of time. This takes place before the paper roll is run off the first - actual - support roller. Its purpose is to prevent air from entering the individual layers of paper on the paper wrap.
  • Document (6) describes a winding machine for plastic films. There is also a second drum that can be moved in the vertical direction.
  • Document (7) which relates to a winding machine for paper webs, also describes the vertical travel of a second carrying drum.
  • the invention has for its object to design a support drum roller according to the preamble of claim 1 such that the winding hardness from the beginning to the end of the winding has the desired course that an extreme softness in the core area and a sudden drop in hardness in the middle or outer Area is avoided and that the winding hardness is under control at every moment of the winding process; this is to be achieved without the disadvantages associated with a second center drive.
  • the invention is based on the idea of providing a further drive for the winding, namely a drive which acts on the circumference of the winding by means of a second carrying drum.
  • the main feature of claim 1 is that a higher winding density can be adjusted in a controlled manner.
  • a particular advantage lies in the support effect of the second support roller during the winding. By reducing the deflection of the drum due to the support on a single back-up roll, kneading and flexing of the drum in the paper roll is considerably reduced and paper damage in the core of the paper roll is avoided.
  • FIGS. 1-4 The structure of the carrier drum roller is already very clearly recognizable from FIGS. 1 and 4.
  • the paper web 1 is guided over a spreader roller 2 onto a carrying drum 3 and wound up into a roll 4 by means of a reel 5.
  • Drum 5 rolls on a horizontal guideway 6.
  • the pressure is applied via carriages 7, which are arranged on both sides of the scooter and are moved by means of cylinders 8.
  • a clamping lever 9 is lowered by means of a pressure cylinder 10 so that the winding can be ejected and carriage 7 can take over a new winding.
  • the reel bearing 12 is firmly clamped between the levers 9 and 11.
  • Lever 11 can be pivoted in the counterclockwise direction so that it can slide under the reel bearing when a new reel is taken over.
  • a stop 13 limits the folding away when pressing.
  • An empty reel 14 is mounted in swivel levers 15, which in turn can be swiveled around the reel bearing 16.
  • the swivel levers 15 can pivot the drum 14 down to the guideway 6 along the circumferential line of the carrying drum.
  • a pressure cylinder 17 is used for this purpose.
  • the bearings 20 of the drum 14 are held by levers 18, which in turn are actuated by pressure cylinders 19.
  • Another support drum 21 is located below the guideway 6. It is guided with its bearings 22 in slide rails 23. Pressure cylinders 24 are provided on both sides of the machine, which act on the bearings 22 of the second carrier drum 21 and press them against the running reel 4.
  • the drives of the carrying drums 3 and 21 can be regulated in such a way that the entire drive power can be arbitrarily distributed over the two carrying drums, so that in extreme cases one of the two carrying drums takes on zero or one hundred percent of the driving power. The same is the whole Drive power between the two carrying drums and the center drive can be divided as required.
  • a pulper 27 is located underneath the carrier drum roller.
  • the reject paper which is produced when torn off, is fed onto a conveyor belt 30 via an opening 28.
  • a protective device 29 secures the opening.
  • the mode of operation of the carrier drum roller can best be seen from FIGS. 2 and 3.
  • the winding 4 is moved from the carrying drum 3 on the guideway 6.
  • Carrier drum 21 follows the winding 4 and maintains the web tension in that it applies torque to the winding 4 at its periphery by frictional entrainment.
  • empty reel 14 is brought to the speed of paper web 1 by a starting device 31 and swiveled onto guide track 6 by means of swivel levers 15.
  • the full drum 5 is moved down further, and the carrying drum 21 continues to be raised until the outer surface of the carrying drum 21 lies against the outer surface of the empty drum 14.
  • the reel change now takes place by means of a blowpipe 35 - see FIG. 3 - or by forming loops, triggered by the movement of the reel 5 with the reel 4 of the carrying drum 21.
  • a center drive can be assigned to the respective winding drum. This is another measure to improve the winding quality.
  • the drum drive disengages shortly before the maximum diameter of the winding 4 is reached and moves to the starting position in front of the carrying drum in order to drive the drum 14 from the start of the winding.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Unwinding Webs (AREA)

Abstract

The carrier drum roller for winding a paper web at a papermaking machine has a second carrier drum (21), which is powered and pressed against the wound paper (4). Pref. the second carrier drum (21) can be moved vertically with a position control to hold it in contact with the empty core (14) as well as with the wound paper (4) during a change. The winding core (5) has a centring drive for insertion into the guide path (6). Slides (7) are on both sides of the machine to grip the core (5) to press the wound paper (4) against the first carrier drum (3).

Description

Die Erfindung betrifft einen Tragtrommelroller für eine Papiermaschine gemäß dem Oberbegriff von Anspruch 1. Derartige Tragtrommelroller sind aus den folgenden Druckschriften bekanntgeworden:

  • (1) DE 40 07 329 C2
  • (2) GB 12 97 812
  • (3) US 19 23 670
  • (4) EP 0 483 092 A1
  • (5) US-PS 5 251 835
  • (6) DE 42 13 712 A1
  • (7) DE-OS 24 47 780

Tragtrommelroller bilden die Schlußgruppe einer Papiermaschine. Sie dienen dem Aufwickeln der fertigen Papierbahn zu einem Wickel. Dabei wird als Wickelkern ein Tambour verwendet. Dieser ist parallel zur Tragtrommel angeordnet und mit seinen Lagerzapfen in den Gabein zweier schwenkbarer Hebel gelagert, so daß der Tambour um einen Teil des Umfanges der Tragtrommel herum schwenkbar ist. Dabei wird der Tambour meist im oberen Scheitelbereich auf die Tragtrommel aufgesetzt und beim Anwickeln des Bahnanfangs um etwa einen Quadranten der Tragtrommel herum verschwenkt, und zwar im Sinne einer Entfernung von der Papiermaschine. Anschließend wird die Wicklung auf horizontal verlaufender Schiene fortgesetzt, und die Anpressung erfolgt über ein Paar Hebel.The invention relates to a support drum roller for a paper machine according to the preamble of claim 1. Such support drum rollers have become known from the following documents:
  • (1) DE 40 07 329 C2
  • (2) GB 12 97 812
  • (3) US 19 23 670
  • (4) EP 0 483 092 A1
  • (5) U.S. Patent 5,251,835
  • (6) DE 42 13 712 A1
  • (7) DE-OS 24 47 780

Carrier drum rollers form the final group of a paper machine. They are used to wind the finished paper web into a roll. A reel is used as the winding core. This is arranged parallel to the carrier drum and is mounted with its bearing pins in the fork in two pivotable levers, so that the drum can be pivoted around part of the circumference of the carrier drum. The reel is usually placed on the carrier drum in the upper part of the apex and swiveled around a quadrant of the carrier drum when the beginning of the web is wound, in the sense of a distance from the paper machine. The winding is then continued on a horizontal rail, and the pressure is applied using a pair of levers.

Um eine fehlerhafte Wicklung zu verhindern, muß eine bestimmte Wickelhärte in jedem Durchmesserbereich gewährleistet sein, welche durch den Bahnzug und in größerem Maße durch das Anpressen der Rolle an die Tragtrommel erzeugt wird. Bei breiten und schnellaufenden Papiermaschinen mit sehr großen Wickeldurchmessern reichen die vorgenannten Möglichkeiten nicht mehr aus, um Papierfehler wie Falten und Aufplatzungen im Kernbereich der fertigen Rolle zu verhindern.In order to prevent faulty winding, a certain winding hardness must be ensured in every diameter range, which is generated by the web tension and to a greater extent by the pressing of the roll against the carrier drum. With wide and high-speed paper machines with very large winding diameters, the aforementioned options are no longer sufficient to Prevent paper defects such as creases and splitting in the core area of the finished roll.

Die Entstehung dieser Fehler ist auf hohe Radialpressung bei ungenügender Tangentialspannung des Papers mit daraus resultierenden Lageverschiebungen zurückzuführen.The occurrence of these errors can be attributed to high radial pressure with insufficient tangential tension of the paper with resulting positional shifts.

Um die Wickelhärte zu erhöhen, ist es notwendig, die Tangentialspannung im Wickel zu erhöhen. Zu diesem Zwecke werden Tambourantriebe verwendet, die ein Drehmoment in den Tambour einleiten - sogenannte Zentrumsantriebe. Ein solcher Zentrumsantrieb ist aus Druckschrift (4) bekanntgeworden. Dabei ist es notwendig, zwei Tambourantriebe vorzusehen, deren einer auf der Triebseite und deren anderer auf der Führerseite des Tragtrommelrollers angeordnet ist. Hierdurch wird sichergestellt, daß auf den entstehenden Wickel während dessen gesamter Wanderung entlang der Führungsbahn ein Drehmoment aufgebracht wird.In order to increase the winding hardness, it is necessary to increase the tangential tension in the winding. For this purpose, reel drives are used that introduce a torque into the reel - so-called center drives. Such a center drive has become known from publication (4). It is necessary to provide two reel drives, one of which is arranged on the drive side and the other on the driver side of the carrier drum roller. This ensures that a torque is applied to the resulting roll during its entire migration along the guideway.

Das Vorsehen zweier Antriebe ist mit erheblichem baulichen Aufwand verbunden. Auch kann das genaue zeitliche Einkoppeln des betreffenden Antriebes zu Problemen führen. Deswegen hat der bekannte Tragtrommelroller in der Praxis nicht befriedigt.The provision of two drives is associated with considerable structural effort. The exact time coupling of the drive concerned can also lead to problems. Therefore, the well-known carrier drum roller has not satisfied in practice.

Druckschrift (5) bildet den Oberbegriff von Anspruch 1. Die dort vorgesehene zweite Tragtrommel dient dabei dazu, während einer verhältnismäßig kurzen Zeitspanne mit dem Papierwickel in Kontakt zu gelangen. Dies findet statt, bevor der Papierwickel von der ersten - eigentlichen - Tragwalze abgefahren wird. Es hat den Zweck, den Zutritt von Luft in die einzelnen Papierlagen auf dem Papierwickel zu verhindern.Document (5) forms the preamble of claim 1. The second carrier drum provided there serves to come into contact with the paper roll for a relatively short period of time. This takes place before the paper roll is run off the first - actual - support roller. Its purpose is to prevent air from entering the individual layers of paper on the paper wrap.

Druckschrift (6) beschreibt eine Wickelmaschine für Kunststoffolien. Dort ist ebenfalls eine zweite Trommel vorhanden, die in vertikaler Richtung verfahrbar ist. Auch Druckschrift (7), die sich auf eine Wickelmaschine für Papierbahnen bezieht, beschreibt die vertikale Verfahrbarkeit einer zweiten Tragtrommel.Document (6) describes a winding machine for plastic films. There is also a second drum that can be moved in the vertical direction. Document (7), which relates to a winding machine for paper webs, also describes the vertical travel of a second carrying drum.

Der Erfindung liegt die Aufgabe zugrunde, einen Tragtrommelroller gemäß dem Oberbegriff von Anspruch 1 derart zu gestalten, daß die Wickelhärte vom Anfang bis zum Ende des Wickels den gewünschten Verlauf hat, daß eine extreme Weichheit im Kernbereich sowie ein plötzlicher Abfall der Härte im mittleren oder äußeren Bereich vermieden wird, und daß sich die Wickelhärte in jedem Augenblick des Wickelvorganges unter Kontrolle befindet; dies soll erreicht werden ohne die Nachteile, die mit einem zweiten Zentrumsantrieb verbunden sind.The invention has for its object to design a support drum roller according to the preamble of claim 1 such that the winding hardness from the beginning to the end of the winding has the desired course that an extreme softness in the core area and a sudden drop in hardness in the middle or outer Area is avoided and that the winding hardness is under control at every moment of the winding process; this is to be achieved without the disadvantages associated with a second center drive.

Diese Aufgabe wird durch die kennzeichnenden Merkmale von Anspruch 1 gelöst. Der Erfindung liegt der Gedanke zugrunde, einen weiteren Antrieb des Wickels vorzusehen, und zwar einen Antrieb, der mittels einer zweiten Tragtrommel am Umfang des Wickels angreift.This object is solved by the characterizing features of claim 1. The invention is based on the idea of providing a further drive for the winding, namely a drive which acts on the circumference of the winding by means of a second carrying drum.

Durch das kennzeichnende Merkmal von Anspruch 1 wird vor allem erreicht, daß eine höhere Wickeldichte in kontrollierter Weise einstellbar ist. Ein besonderer Vorteil liegt in der Stützwirkung der zweiten Tragwalze während des Wickelns. Durch die Verringerung der Durchbiegung des Tambours infolge der Abstützung auf eine einzige Stützwalze wird ein Kneten und Walken des Tambours im Papierwickel beträchtlich verringert, und es werden Papierschäden im Kern des Papierwickels vermieden.The main feature of claim 1 is that a higher winding density can be adjusted in a controlled manner. A particular advantage lies in the support effect of the second support roller during the winding. By reducing the deflection of the drum due to the support on a single back-up roll, kneading and flexing of the drum in the paper roll is considerably reduced and paper damage in the core of the paper roll is avoided.

Die Erfindung ist anhand der Figuren 1-4 näher erläutert. Dabei ist der Aufbau des Tragtrommelrollers bereits sehr gut aus den Figuren 1 und 4 erkennbar.The invention is explained in more detail with reference to FIGS. 1-4. The structure of the carrier drum roller is already very clearly recognizable from FIGS. 1 and 4.

Die Papierbahn 1 wird über eine Breitstreckwalze 2 auf eine Tragtrommel 3 geführt und mittels eines Tambours 5 zu einem Wickel 4 aufgewickelt. Tambour 5 rollt dabei auf einer horizontalen Führungsbahn 6 ab. Die Anpressung erfolgt über Schlitten 7, die jeweils auf beiden Seiten des Rollers angeordnet sind und mittels Zylindern 8 bewegt werden. Nach Erreichen eines maximalen Wickeldurchmessers wird ein Klemmhebel 9 mittels eines Druckzylinders 10 abgesenkt, so daß der Wickel ausgeworfen werden und Schlitten 7 einen neuen Wickel übernehmen kann. Während des Wickelns werden die Tambourlager 12 zwischen den Hebeln 9 und 11 fest eingespannt. Hebel 11 ist im Gegenzeigersinn schwenkbar, so daß er bei Übernahme eines neuen Tambours unter dem Tambourlager hindurchgleiten kann. Ein Anschlag 13 begrenzt das Wegklappen beim Anpressen.The paper web 1 is guided over a spreader roller 2 onto a carrying drum 3 and wound up into a roll 4 by means of a reel 5. Drum 5 rolls on a horizontal guideway 6. The pressure is applied via carriages 7, which are arranged on both sides of the scooter and are moved by means of cylinders 8. After reaching a maximum winding diameter, a clamping lever 9 is lowered by means of a pressure cylinder 10 so that the winding can be ejected and carriage 7 can take over a new winding. During the winding, the reel bearing 12 is firmly clamped between the levers 9 and 11. Lever 11 can be pivoted in the counterclockwise direction so that it can slide under the reel bearing when a new reel is taken over. A stop 13 limits the folding away when pressing.

Ein Leertambour 14 ist in Schwenkhebeln 15 gelagert, die ihrerseits um das Tambourlager 16 schwenkbar sind. Die Schwenkhebel 15 können den Tambour 14 bis auf die Führungsbahn 6 entlang der Umfangslinie der Tragtrommel abschwenken. Hierzu dient ein Druckzylinder 17. Dabei werden die Lager 20 des Tambours 14 mittels Hebeln 18 gehalten, die ihrerseits durch Druckzylinder 19 betätigt werden.An empty reel 14 is mounted in swivel levers 15, which in turn can be swiveled around the reel bearing 16. The swivel levers 15 can pivot the drum 14 down to the guideway 6 along the circumferential line of the carrying drum. A pressure cylinder 17 is used for this purpose. The bearings 20 of the drum 14 are held by levers 18, which in turn are actuated by pressure cylinders 19.

Eine weitere Tragtrommel 21 befindet sich unterhalb der Führungsbahn 6. Sie ist mit ihren Lagern 22 in Gleitschienen 23 geführt. Es sind Druckzylinder 24 auf beiden Seiten der Maschine vorgesehen, die an den Lagern 22 der zweiten Tragtrommel 21 angreifen und diese gegen den laufenden Wickel 4 andrücken.Another support drum 21 is located below the guideway 6. It is guided with its bearings 22 in slide rails 23. Pressure cylinders 24 are provided on both sides of the machine, which act on the bearings 22 of the second carrier drum 21 and press them against the running reel 4.

Die Antriebe der Tragtrommeln 3 und 21 sind derart regelbar, daß die gesamte Antriebsleistung willkürlich auf die beiden Tragtrommeln verteilt werden kann, so daß eine der beiden Tragtrommeln im Extremfall Null oder Hundert % der Antriebsleistung übernimmt. Desgleichen ist die gesamte Antriebsleistung zwischen den beiden Tragtrommeln und dem Zentrumsantrieb beliebig aufteilbar.The drives of the carrying drums 3 and 21 can be regulated in such a way that the entire drive power can be arbitrarily distributed over the two carrying drums, so that in extreme cases one of the two carrying drums takes on zero or one hundred percent of the driving power. The same is the whole Drive power between the two carrying drums and the center drive can be divided as required.

Unterhalb des Tragtrommelrollers befindet sich ein Pulper 27. Das Ausschußpapier, das bei Abrissen anfällt, wird über eine Öffnung 28 auf ein Förderband 30 aufgegeben. Eine Schutzvorrichtung 29 sichert die Öffnung.A pulper 27 is located underneath the carrier drum roller. The reject paper, which is produced when torn off, is fed onto a conveyor belt 30 via an opening 28. A protective device 29 secures the opening.

Die Arbeitsweise des Tragtrommelrollers ist am besten aus den Figuren 2 und 3 erkennbar. Ist der maximale Wickeldurchmesser erreicht - siehe Figur 2 -, so wird der Wickel 4 von Tragtrommel 3 auf der Führungsbahn 6 abgefahren. Tragtrommel 21 folgt dabei dem Wickel 4 und hält den Bahnzug dadurch aufrecht, daß sie auf den Wickel 4 an dessen Umfang durch Reibungsmitnahme Drehmoment aufbringt. Gleichzeitig wird Leertambour 14 durch eine Anwurfvorrichtung 31 auf die Geschwindigkeit der Papierbahn 1 gebracht und mittels der Schwenkhebel 15 auf die Führungsbahn 6 abgeschwenkt. Der volle Tambour 5 wird indessen weiter abgefahren, und Tragtrommel 21 wird hierbei weiterhin angehoben, so lange, bis die Mantelfläche von Tragtrommel 21 an der Mantelfläche des Leertambours 14 anliegt. Der Rollenwechsel erfolgt nunmehr mittels eines Blasrohres 35 - siehe Figur 3 - oder durch Schlaufenbildung, ausgelöst durch das Abfahren von Tambour 5 mit Wickel 4 von Tragtrommel 21.The mode of operation of the carrier drum roller can best be seen from FIGS. 2 and 3. Once the maximum winding diameter has been reached - see FIG. 2 - the winding 4 is moved from the carrying drum 3 on the guideway 6. Carrier drum 21 follows the winding 4 and maintains the web tension in that it applies torque to the winding 4 at its periphery by frictional entrainment. At the same time, empty reel 14 is brought to the speed of paper web 1 by a starting device 31 and swiveled onto guide track 6 by means of swivel levers 15. In the meantime, the full drum 5 is moved down further, and the carrying drum 21 continues to be raised until the outer surface of the carrying drum 21 lies against the outer surface of the empty drum 14. The reel change now takes place by means of a blowpipe 35 - see FIG. 3 - or by forming loops, triggered by the movement of the reel 5 with the reel 4 of the carrying drum 21.

Bei Bedarf kann dem jeweils wickelnden Tambour ein Zentrumsantrieb zugeordnet werden. Dies ist eine weitere Maßnahme zur Verbesserung der Wickelqualität. Dabei kuppelt der Tambourantrieb kurz vor Erreichen des Maximaldurchmessers des Wickels 4 aus und fährt zur Ausgangsposition vor die Tragtrommel, um Tambour 14 von Wickelbeginn an anzutreiben.If required, a center drive can be assigned to the respective winding drum. This is another measure to improve the winding quality. The drum drive disengages shortly before the maximum diameter of the winding 4 is reached and moves to the starting position in front of the carrying drum in order to drive the drum 14 from the start of the winding.

Claims (5)

Tragtrommelroller für eine Papiermaschine zum Aufwickeln einer laufenden Papierbahn zu einem Wickel, 1.1 mit einer bahnbreiten Tragtrommel, auf die die aufzuwickelnde Bahn aufläuft, und die diese auf einem Teil ihres Umfanges umschlingt; 1.2 mit einem Magazin zum Speichern einer Anzahl von Tambouren, deren jeder als Wickelkern dient; 1.3 mit einem Paar von Schwenkhebeln zum Abnehmen des einzelnen Tambours und zu dessen Überführung in seine Anwickelposition an der Tragtrommel; 1.4 mit einer Führungsbahn, auf der der Tambour mit dem im Entstehen befindlichen Wickel entlang wandert und sich hierbei von der Tragtrommel bis zu einer Abgabeposition des fertigen Wickels hinweg bewegt; 1.5 es ist eine zweite Tragtrommel (21) vorgesehen; 1.6 die zweite Tragtrommel (21) ist antreibbar; 1.7 die zweite Tragtrommel (21) ist gegen den Wickel (4) andrückbar; gekennzeichnet durch die folgenden Merkmale: 1.8 die zweite Tragtrommel (21) ist derart gestaltet und angeordnet, daß sie während des Wickelvorganges im ständigen Kontakt mit dem Wickel (4) steht. Carrier drum roller for a paper machine for winding a running paper web into a roll, 1.1 with a web-wide carrier drum on which the web to be wound runs and which wraps around part of its circumference; 1.2 with a magazine for storing a number of reels, each of which serves as a winding core; 1.3 with a pair of swivel levers for removing the individual reel and for transferring it into its winding position on the carrying drum; 1.4 with a guide track on which the drum travels along with the winding being created and moves from the carrying drum to a delivery position of the finished winding; 1.5 a second carrying drum (21) is provided; 1.6 the second carrier drum (21) can be driven; 1.7 the second carrier drum (21) can be pressed against the winding (4); characterized by the following features: 1.8 the second carrier drum (21) is designed and arranged such that it is in constant contact with the winding (4) during the winding process. Tragtrommelroller nach Anspruch 1, dadurch gekennzeichnet, daß die zweite Tragtrommel (21) vertikal verfahrbar ist.Carrier drum roller according to claim 1, characterized in that the second carrier drum (21) is vertically movable. Tragtrommelroller nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß eine Positionssteuerung vorgesehen ist, um die zweite Tragtrommel (21) während des Wickelwechsels mit dem Leertambour (14) und zugleich mit dem Wickel (4) in Kontakt zu halten.Carrier drum roller according to one of claims 1 or 2, characterized in that a position control is provided in order to keep the second carrier drum (21) in contact with the empty drum (14) and at the same time with the winding (4) during the winding change. Tragtrommelroller nach einem der Ansprüche 1-3, dadurch gekennzeichnet, daß dem Tambour (5) ein beim Verfahren auf der Führungsbahn (6) wirksamer Zentrumsantrieb zugeordnet ist.Carrier drum roller according to one of claims 1-3, characterized in that the drum (5) is assigned a center drive which is effective during the movement on the guideway (6). Tragtrommelroller nach einem der Ansprüche 1-5, dadurch gekennzeichnet, daß beidseits der Maschine Schlitten (7) vorgesehen sind, die am Tambour (5) angreifen, um den Wickel (4) gegen die erste Tragtrommel (3) anzupressen.Carrier drum roller according to one of claims 1-5, characterized in that carriages (7) are provided on both sides of the machine, which engage the drum (5) in order to press the reel (4) against the first carrier drum (3).
EP94119806A 1994-01-24 1994-12-15 Winder with supporting drum for a paper-making machine Expired - Lifetime EP0664267B1 (en)

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DE4401959A DE4401959C2 (en) 1994-01-24 1994-01-24 Carrier drum roller for a paper machine
DE4401959 1994-01-24

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EP0664267A2 true EP0664267A2 (en) 1995-07-26
EP0664267A3 EP0664267A3 (en) 1996-09-04
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EP (1) EP0664267B1 (en)
JP (1) JPH07215555A (en)
KR (1) KR950032892A (en)
AT (1) ATE170494T1 (en)
CA (1) CA2141006A1 (en)
DE (2) DE4401959C2 (en)
FI (1) FI115519B (en)

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CA2141006A1 (en) 1995-07-25
DE59406830D1 (en) 1998-10-08
EP0664267B1 (en) 1998-09-02
US5690298A (en) 1997-11-25
FI950274A (en) 1995-07-25
KR950032892A (en) 1995-12-22
JPH07215555A (en) 1995-08-15
EP0664267A3 (en) 1996-09-04
FI115519B (en) 2005-05-31
DE4401959A1 (en) 1994-07-21
FI950274A0 (en) 1995-01-23
ATE170494T1 (en) 1998-09-15
DE4401959C2 (en) 1996-07-25

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