EP0419498A1 - Continuous winding device for sheets of material, in particular paper webs. - Google Patents

Continuous winding device for sheets of material, in particular paper webs.

Info

Publication number
EP0419498A1
EP0419498A1 EP89905637A EP89905637A EP0419498A1 EP 0419498 A1 EP0419498 A1 EP 0419498A1 EP 89905637 A EP89905637 A EP 89905637A EP 89905637 A EP89905637 A EP 89905637A EP 0419498 A1 EP0419498 A1 EP 0419498A1
Authority
EP
European Patent Office
Prior art keywords
winding
carrier axis
drum
web
drive
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
EP89905637A
Other languages
German (de)
French (fr)
Other versions
EP0419498B1 (en
Inventor
Gernot Mueller
Werner Schmid
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.)
Sulzer Escher Wyss GmbH
Original Assignee
Sulzer Escher Wyss GmbH
Escher Wyss GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sulzer Escher Wyss GmbH, Escher Wyss GmbH filed Critical Sulzer Escher Wyss GmbH
Publication of EP0419498A1 publication Critical patent/EP0419498A1/en
Application granted granted Critical
Publication of EP0419498B1 publication Critical patent/EP0419498B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • B65H19/2261—Pope-roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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

Definitions

  • the invention relates to a device for the continuous winding of a web of sheet material, in particular a paper web on a carrier axis, with a support drum deflecting the web, a transfer device for transferring the empty carrier axes from a receiving position into an operating position, a drive for the Carrier axis, a support and train sports device which is effective during the winding operation for moving the carrier axis to discharge the fully wound carrier axis, and a device for transferring the fed web from the fully wound carrier axis to an empty carrier axis.
  • a so-called pop roller is known in connection with such a device. With such a pop roller, a continuous winding of a paper web is possible.
  • the paper web is deflected around a carrying drum and then wound onto a carrier axis, a so-called reel.
  • the winding drive takes place in that the aforementioned carrier axis is driven and rests on the outer circumference of the resulting winding.
  • a swivel arm is arranged approximately concentrically to the carrying drum, with which an empty carrier axis can be brought into the winding position when the previous carrier axis has been fully wound with the paper web. The transfer of the paper web from the full roll to the empty carrier axis takes place automatically without having to interrupt the entire operation.
  • a winding device for winding pressure-sensitive paper is known.
  • This winding device uses a first pressure roller, which is kept at a distance from the winding.
  • a second pressure roller with a soft pressure surface is provided behind the first pressure roller in the feed direction of the paper web. Due to the distance between the first pressure roller and the winding, air is drawn into the winding, particularly at high machine speeds. The second pressure roller prevents this air from being drawn in.
  • the second pressure roller with a soft surface lies against the surface of the roll with slight pressure.
  • the carrier drum is arranged as a guide drum so that it is always at a distance from the winding, that a pressing roller is provided behind the guide drum in the direction of travel of the web and is arranged such that it always bears against the winding during operation that the pressure roller for detecting the increase in the winding is connected to a sensor, that the support and transport device for the carrier axis is connected to a drive controlled by the sensor, and that a separate winding drive is provided for rotating the carrier axis.
  • the invention consists in that the carrier drum used per se for driving the winding and the carrier axis is converted into a guide drum in order to guide the paper web into the gap between the pressure roller and the winding without air being trapped in the winding. So that must be in itself Known Poperoller system can only be modified to provide its own winding drive for the carrier axis and to add a separate sensor-controlled pressure roller, which lies gently against the winding, prevents the air from getting in and through the sensor control and the corresponding advance of the carrier axis with the winding a soft winding in Connected with the advantageous pop roller system.
  • the surface of the guide drum is roughened, so that a particularly good guiding function of the carrying drum converted into a guide drum is ensured, while avoiding axial displacements of the web to be wound up.
  • the single figure shows a schematic side view of a device for the continuous soft winding of a paper web on a carrier axis.
  • a paper web P is fed from the left in the drawing and, after a first deflection around a roller 10, runs over a guide drum 12 and then passes into the winding 14 that can already be seen in the drawing.
  • the guide drum 12 rotates about an axis 16.
  • a pivot arm 20 with a receiving fork 22 is pivotably arranged about an axis 18 that is slightly offset from it, as is indicated by the dash-dotted circular arc 24.
  • An empty carrier axis 26 is inserted into the fork 22 in order to pivot it from the position shown in the drawing into an operating position, which will be explained later.
  • a cylinder 28 is arranged on the swivel arm 20, with which a holding arm 30 can be actuated in order to hold the support axis 26 in the fork 22 when the swivel arm 20 is on the is pivoted previously described manner.
  • a pressure roller 32 which is attached via an auxiliary lever 34 to a pivot lever 36 which can be pivoted back and forth via a cylinder 38.
  • the auxiliary lever 34 is connected to the pivot lever 36 via a pivot axis 40 and carries the pressure roller 32 at one end and interacts with an inductive transmitter (sensor) 42 at its other end.
  • the pressure roller 32 is resiliently mounted on the auxiliary lever so that the pressure on the reel can be adjusted.
  • a horizontally movable guide carriage 44 is provided on the carrier axis side facing the guide drum 12, which is driven by a spindle drive 46 parallel on both sides and an associated motor 48.
  • a transport lever 52 driven by a cylinder 50. The guide carriage 44 effects the drive axis propulsion, and the transport lever 52 causes the fully wound support axis to be carried out from position D to position E.
  • the transport lever is provided with holding rollers 54 arranged on opposite sides.
  • the carriage 44 has a transport roller 56 on the left side of the carrier axis in the drawing.
  • the transport lever 52 is pivotally mounted about a pivot axis 58.
  • the swivel arm 20 is provided in its lower region with a toothed segment 60 which is connected to a drive pinion 62.
  • the carrier axis in the operating position can be coupled with its own drive, so that the drive does not have to take place on the circumference of the winding.
  • a membrane cylinder 64 is arranged on the swivel lever 36 at the level of the pressure roller 32, which ensures a pneumatically sensitive pressing of the pressure roller on the Widcel.
  • the surface of the guide drum 12 is preferably roughened and thus prevents axial displacements of the web, since the guide drum 12 for accurate insertion _
  • the fully wound carrier axis lies, guided between the guide carriage 44 and the transport lever 52 at point D.
  • the carrier axis is still coupled to the winding drive, and the pressure roller 32 lies against the winding.
  • the inductive displacement sensor 42 controls the actuator 48. The greater the deviation from the target position, the higher the speed of the actuator.
  • An empty carrier axis 26 is already in the fork 22 of the swivel arm 20 and is ready for a transfer operation.
  • the swiveling process of the swivel arm 20 is carried out. Due to the slightly eccentric arrangement of the axes 16 and 18, the peripheral surface of the empty carrier axis reaches the periphery of the guide drum 12 and is driven by it. Then the drive of the wound carrier axis is braked in the position D, so that a loop is blown between the guide drum 12 and the finished winding 14 and the paper web is severed in this area, with the result that the leading end of the paper web P about the empty carrier axis 26 is laid and wrapped. The pressure roller 32 is then in the pivoted-away state, as shown by dash-dotted lines in the figure.
  • the carrier axis with the winding 14 at point D is braked and the drive disengaged. Then the guide carriage 44 and the winding drive move together from position D to B, and the finished winding is pushed out from D to E by means of the transport lever 52. The transport lever 52 is then pivoted back empty from E to B. The new carrier axis swings, driven by the system on the guide drum, to B. The guide carriage 44, together with the winding drive, bears against the carrier axis 26 at point B, the transport lever 52 pressing the carrier axis against the guide carriage 44. The winding drive then accelerates to the synchronous speed and is coupled. Finally, the pressure roller 32 to the - c -
  • the guide carriage 44 is then driven synchronously and thus the winding 14 is synchronously transported further with the associated carrier axis 26.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

Un dispositif d'enroulement en continu d'une bande, notamment d'une bande de papier, sur un axe porteur entraîné par un moteur, peut continuer à fonctionner même pendant le remplacement de l'axe porteur. Le tambour porteur est utilisé pendant le remplacement des axes de support de l'axe porteur vide à monter et sert de tambour de guidage (12) de la bande (P). Ce tambour est toujours maintenu à une certaine distance par rapport à la bobine (14). Un rouleau de serrage (32) presse la bande sur la bobine. Un signal de réglage de l'entraînement (48) du dispositif (44) de transport de la bobine est dérivé de la position du rouleau de serrage (32), qui se modifie à mesure que la bobine se remplit.A device for continuously winding a web, in particular a paper web, on a carrier shaft driven by a motor, can continue to operate even during the replacement of the carrier shaft. The carrier drum is used during the replacement of the support pins of the empty carrier shaft to be mounted and serves as a guide drum (12) for the belt (P). This drum is always kept at a certain distance from the reel (14). A clamp roller (32) presses the tape onto the spool. A signal to adjust the drive (48) of the spool transport device (44) is derived from the position of the clamp roll (32), which changes as the spool fills.

Description

Vorrichtuno für das kontinuierliche Aufwickeln einer Bahn aus blattfrirmiπem Material, insbesondere einer PapierbahnDevice for the continuous winding of a web made of non-sheet material, in particular a paper web
Die Erfindung bezieht sich auf eine Vorrichtung für das kontinuierliche Aufwickeln einer Bahn aus blattförmigem Material, insbesondere einer Papierbahn auf eine Trägerachse, mit einer die Bahn umlenkenden Tragtrommel, einer Übergabeeinrichtung für das Übergeben der leeren Trägerachsen aus einer Aufnahmeposition in eine Betriebsposition, einem Antrieb für die Trägerachse, einer während des Wickelbetriebs wirksamen Stütz- und Tran Sporteinrichtung für das Bewegen der Trägerachse zum Austragen der voll bewickelten Trägerachse, und einer Einrichtung zum Übergeben der zugeführten Bahn von der voll bewickelten Trägerachse auf eine leere Trägerachse.The invention relates to a device for the continuous winding of a web of sheet material, in particular a paper web on a carrier axis, with a support drum deflecting the web, a transfer device for transferring the empty carrier axes from a receiving position into an operating position, a drive for the Carrier axis, a support and train sports device which is effective during the winding operation for moving the carrier axis to discharge the fully wound carrier axis, and a device for transferring the fed web from the fully wound carrier axis to an empty carrier axis.
Im Zusammenhang mit einer derartigen Vorrichtung ist ein sogenannter Poperoller bekannt. Mit einem derartigen Poperoller ist ein kontinuierliches Aufwickeln einer Papierbahn möglich. Dabei wird die Papierbahn um eine Tragtrommel umgelenkt und dann auf eine Trägerachse, einem sogenannten Tambour, aufgewickelt. Der Wickelantrieb erfolgt dadurch, daß die vorgenannte Trägerachse angetrieben wird und am Außenumfang des entstehenden Wickels anliegt. In etwa konzentrisch zur Tragtrommel ist ein Schwenkarm angeordnet, mit dem eine leere Trägerachse in die Wickelposition gebracht werden kann, wenn die vorhergehende Trägerachse mit der Papierbahn voll bewickelt worden ist. Die Übergabe der Papierbahn vom vollen Wickel auf die leere Trägerachse erfolgt automatisch, ohne den Gesamtbetrieb voll unterbrechen zu müssen. Das Bewerkstelligen des Wickelantriebes über die Tragtrommel am Umfang des entstehenden Wickels ist mit gewissen Nachteilen hinsichtlich der Wickelqualität verbunden. Aus der DE-OS 29 35743 ist eine Wickelvorrichtung zum Aufwickeln von druckempfindlichem Papier bekannt. Diese Wickelvorrichtung benutzt eine erste Andrückwalze, die im Abstand zum Wickel gehalten wird. In Zulaufrichtung der Papierbahn hinter dieser ersten Andrückwalze ist eine zweite Andrückwalze mit einer weichen Andrückfläche vorgesehen. Durch den Abstand zwischen der ersten Andrückwalze und dem Wickel wird insbesondere bei hohen Maschinengeschwindigkeiten Luft in den Wickel eingezogen. Das Einziehen dieser Luft wird durch die zweite Andrückwalze vermieden. Hierzu liegt die zweite Andrückwalze mit weicher Oberfläche mit leichtem Druck an der Oberfläche des Wickels an. Wenn der Wickel zunimmt, so wird die Lage der zweiten Andrückwalze versetzt und dabei ein Schalter betätigt, der dafür sorgt, daß die Trägerachse, auf die die Bahn aufgewickelt wird, vorwärts bewegt wird. Dadurch kann ein schonendes, weiches Wickeln ohne Lufteinschlüsse erfolgen.A so-called pop roller is known in connection with such a device. With such a pop roller, a continuous winding of a paper web is possible. The paper web is deflected around a carrying drum and then wound onto a carrier axis, a so-called reel. The winding drive takes place in that the aforementioned carrier axis is driven and rests on the outer circumference of the resulting winding. A swivel arm is arranged approximately concentrically to the carrying drum, with which an empty carrier axis can be brought into the winding position when the previous carrier axis has been fully wound with the paper web. The transfer of the paper web from the full roll to the empty carrier axis takes place automatically without having to interrupt the entire operation. The accomplishment of the winding drive via the carrier drum on the circumference of the resulting winding is associated with certain disadvantages with regard to the winding quality. From DE-OS 29 35743 a winding device for winding pressure-sensitive paper is known. This winding device uses a first pressure roller, which is kept at a distance from the winding. A second pressure roller with a soft pressure surface is provided behind the first pressure roller in the feed direction of the paper web. Due to the distance between the first pressure roller and the winding, air is drawn into the winding, particularly at high machine speeds. The second pressure roller prevents this air from being drawn in. For this purpose, the second pressure roller with a soft surface lies against the surface of the roll with slight pressure. When the winding increases, the position of the second pressure roller is shifted and a switch is actuated which ensures that the carrier axis on which the web is wound is moved forward. This enables gentle, soft winding without air pockets.
Es ist Aufgabe der Erfindung, im Zusammenhang mit dem eingangs genannten Poperoller-System einen Weichwickelvorgang zu erzielen, um über die gesamte Breite des Wickels einen homogenen und schonenden Wickelvorgang zu realisieren.It is an object of the invention to achieve a soft winding process in connection with the pop-roller system mentioned at the outset in order to implement a homogeneous and gentle winding process over the entire width of the roll.
Diese Aufgabe wird erfinduπgsgemäß dadurch gelöst, daß die Tragtrommel als Führungstrommel so angeordnet ist, daß sie sich stets im Abstand zum Wickel befindet, daß in Verlaufsrichtung der Bahn hinter der Führungstrommel eine Andrückwaize vorgesehen und so angeordnet ist, daß sie stets im Betrieb am Wickel anliegt, daß die Andrückwalze für das Erfassen der Zunahme des Wickels mit einem Sensor verbunden ist, daß die Stütz- und Transporteinrichtung für die Trägerachse mit einem vom Sensor gesteuerten Antrieb verbunden ist, und daß ein eigener Wickelantrieb für das Drehen der Trägerachse vorgesehen ist.This object is achieved according to the invention in that the carrier drum is arranged as a guide drum so that it is always at a distance from the winding, that a pressing roller is provided behind the guide drum in the direction of travel of the web and is arranged such that it always bears against the winding during operation that the pressure roller for detecting the increase in the winding is connected to a sensor, that the support and transport device for the carrier axis is connected to a drive controlled by the sensor, and that a separate winding drive is provided for rotating the carrier axis.
Die Erfindung besteht darin, daß die an sich für den Antrieb des Wickels und der Trägerachse benutzte Tragtrommel als Führungstrommel umfunktioniert ist, um die Papierbahn geführt in den Spalt zwischen der Andrückwalze und dem Wickel einzuführen, ohne daß Luft in den Wickel eingeschlossen wird. Somit muß das an sich bekannte Poperoller-System nur dahingehend abgeändert werden, einen eigenen Wickelantrieb für die Trägerachse vorzusehen und eine gesonderte sensorgesteuerte Andrückwalze zu ergänzen, die schonend am Wickel anliegt, den Lufteinschluß verhindert und durch die Sensorsteuerung und dem entsprechenden Vortransport der Trägerachse mit dem Wickel ein weiches Wickeln im Zusammenhang mit dem vorteilhaften Poperoller-System ermöglicht.The invention consists in that the carrier drum used per se for driving the winding and the carrier axis is converted into a guide drum in order to guide the paper web into the gap between the pressure roller and the winding without air being trapped in the winding. So that must be in itself Known Poperoller system can only be modified to provide its own winding drive for the carrier axis and to add a separate sensor-controlled pressure roller, which lies gently against the winding, prevents the air from getting in and through the sensor control and the corresponding advance of the carrier axis with the winding a soft winding in Connected with the advantageous pop roller system.
Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen. Insbesondere ist vorgesehen, daß die Oberfläche der Führungstrommel aufgerauht ist, so daß eine besonders gute Führungsfunktion der in eine Führungstrommel umfunktionierten Tragtrommei gewährleistet ist, und zwar unter Vermeidung von Axialverschiebungen der aufzuwickelnden Bahn.Advantageous refinements result from the subclaims. In particular, it is provided that the surface of the guide drum is roughened, so that a particularly good guiding function of the carrying drum converted into a guide drum is ensured, while avoiding axial displacements of the web to be wound up.
Die Erfindung wird nachfolgend anhand eines in der Zeichnung rein schematisch dargestellten Ausführungsbeispieles näher erläutert.The invention is explained in more detail below on the basis of an exemplary embodiment shown purely schematically in the drawing.
Die einzige Figur zeigt in schematischer Seitenansicht eine Vorrichtung für das kontinuierliche weiche Aufwickeln einer Papierbahn auf eine Trägerachse.The single figure shows a schematic side view of a device for the continuous soft winding of a paper web on a carrier axis.
Eine Papierbahn P wird in der Zeichnung von links zugeführt und verläuft nach einer ersten Umlenkung um eine Rolle 10 über eine Führungstrommel 12 und geht dann über in den aus der Zeichnung bereits erkennbaren Wickel 14.A paper web P is fed from the left in the drawing and, after a first deflection around a roller 10, runs over a guide drum 12 and then passes into the winding 14 that can already be seen in the drawing.
Die Führungstrommel 12 dreht sich um eine Achse 16. Um eine dazu leicht versetzt angeordnete Achse 18 ist ein Schwenkarm 20 mit einer Aufnahmegabel 22 schwenkbar angeordnet, wie dies durch den strichpunktierten Kreisbogen 24 angedeutet ist. In die Gabel 22 wird eine leere Trägerachse 26 eingelegt, um diese aus der in der Zeichnung dargestellten Lage in eine Betriebslage zu schwenken, was später noch erläutert wird.The guide drum 12 rotates about an axis 16. A pivot arm 20 with a receiving fork 22 is pivotably arranged about an axis 18 that is slightly offset from it, as is indicated by the dash-dotted circular arc 24. An empty carrier axis 26 is inserted into the fork 22 in order to pivot it from the position shown in the drawing into an operating position, which will be explained later.
Am Schwenkarm 20 ist ein Zylinder 28 angeordnet, mit dem ein Haltearm 30 betätigbar ist, um die Trägerachse 26 in der Gabel 22 zu halten, wenn der Schwenkarm 20 auf die zuvor beschriebene Weise verschwenkt wird.A cylinder 28 is arranged on the swivel arm 20, with which a holding arm 30 can be actuated in order to hold the support axis 26 in the fork 22 when the swivel arm 20 is on the is pivoted previously described manner.
Unterhalb der Führungstrommel 12 befindet sich eine Andrückwaize 32, die über einen Hilfshebel 34 an einem Schwenkhebel 36 angebracht ist, welcher über einen Zylinder 38 hin- und hergeschwenkt werden kann. Der Hilfshebel 34 ist über eine Schwenkachse 40 mit dem Schwenkhebel 36 verbunden und trägt an seinem einen Ende die Andrückwaize 32 und wirkt mit seinem anderen Ende mit einem Induktivgeber (Sensor) 42 zusammen. Die Andrückwalze 32 ist am Hilfshebel federnd gelagert, so daß der Andrückdruck auf den Wickel eingestellt werden kann.Below the guide drum 12 is a pressure roller 32, which is attached via an auxiliary lever 34 to a pivot lever 36 which can be pivoted back and forth via a cylinder 38. The auxiliary lever 34 is connected to the pivot lever 36 via a pivot axis 40 and carries the pressure roller 32 at one end and interacts with an inductive transmitter (sensor) 42 at its other end. The pressure roller 32 is resiliently mounted on the auxiliary lever so that the pressure on the reel can be adjusted.
Außerdem ist ein horizontal verfahrbarer Führungsschlitten 44 auf der der Führungstrommel 12 zugewandten Trägerachsenseite vorgesehen, der über einen beidseitig parallelen Spindeltrieb 46 und einen zugehörigen Motor 48 angetrieben wird. Diesem Schlitten zugeordnet ist ein durch einen Zylinder 50 angetriebener Transporthebel 52. Der Führungsschlitten 44 bewirkt den Trägerachsenvortrieb, und der Transporthebel 52 bewirkt das Austragen der voll bewickelten Trägerachse von der Stellung D in die Stellung E.In addition, a horizontally movable guide carriage 44 is provided on the carrier axis side facing the guide drum 12, which is driven by a spindle drive 46 parallel on both sides and an associated motor 48. Associated with this carriage is a transport lever 52 driven by a cylinder 50. The guide carriage 44 effects the drive axis propulsion, and the transport lever 52 causes the fully wound support axis to be carried out from position D to position E.
Der Transporthebel ist mit an gegenüberliegenden Seiten angeordneten Halterollen 54 versehen. Der Schlitten 44 weist an der in der Zeichnung linken Seite der Trägerachse eine Transportrolle 56 auf. Der Transporthebel 52 ist um eine Schwenkachse 58 schwenkbar gelagert.The transport lever is provided with holding rollers 54 arranged on opposite sides. The carriage 44 has a transport roller 56 on the left side of the carrier axis in the drawing. The transport lever 52 is pivotally mounted about a pivot axis 58.
Der Schwenkarm 20 ist in seinem unteren Bereich mit einem Zahnsegment 60 versehen, das mit einem Antriebsritzel 62 in Verbindung steht. Die in der Betriebslage sich befindende Trägerachse ist mit einem eigenen Antrieb kuppelbar, so daß der Antrieb nicht am Umfang des Wickels erfolgen muß. Schließlich ist am Schwenkhebel 36 auf der Höhe der Andrückwalze 32 ein Membranzylinder 64 angeordnet, der für eine pneumatisch feinfühlige Anpressung der Andrückwalze am Widcel sorgt. Die Oberfläche der Führungstrommel 12 ist vorzugsweise aufgerauht und verhindert somit Axialverschiebungen der Bahn, da die Führungstrommel 12 für das genaue Einführen _The swivel arm 20 is provided in its lower region with a toothed segment 60 which is connected to a drive pinion 62. The carrier axis in the operating position can be coupled with its own drive, so that the drive does not have to take place on the circumference of the winding. Finally, a membrane cylinder 64 is arranged on the swivel lever 36 at the level of the pressure roller 32, which ensures a pneumatically sensitive pressing of the pressure roller on the Widcel. The surface of the guide drum 12 is preferably roughened and thus prevents axial displacements of the web, since the guide drum 12 for accurate insertion _
der Bahn P zwischen die Andrückwalze 32 und dem Wickel 14 sorgt.the web P between the pressure roller 32 and the winding 14.
Nun soll der Funktionsablauf der dargestellten Vorrichtung kurz beschrieben werden.The functional sequence of the device shown will now be briefly described.
In der Ausgangsstellung liegt die voll bewickelte Trägerachse, geführt zwischen dem Führungsschlitten 44 und dem Transporthebel 52 an der Stelle D. Die Trägerachse ist noch mit dem Wickelantrieb gekuppelt, und die Andrückwalze 32 liegt am Wickel an. Der induktive Weggeber 42 regelt den Stellantrieb 48. Je größer die Abweichung von der Sollage ist, desto höher ist die Drehzahl des Stellantriebes. Eine leere Trägerachse 26 liegt bereits in der Gabel 22 des Schwenkarmes 20 und ist bereit für einen Überführungsvorgang.In the starting position, the fully wound carrier axis lies, guided between the guide carriage 44 and the transport lever 52 at point D. The carrier axis is still coupled to the winding drive, and the pressure roller 32 lies against the winding. The inductive displacement sensor 42 controls the actuator 48. The greater the deviation from the target position, the higher the speed of the actuator. An empty carrier axis 26 is already in the fork 22 of the swivel arm 20 and is ready for a transfer operation.
Wenn die in der Stellung D befindliche Trägerachse voll bewickelt ist, so wird der Schwenkvorgang des Schwenkarmes 20 vollzogen. Durch die leicht exzentrische Anordnung der Achsen 16 und 18 gelangt die Umfangsfläche der leeren Trägerachse auf den Umfang der Führungstrommel 12 und wird durch diese angetrieben. Dann wird der Antrieb der bewickelten Trägerachse in der Stellung D abgebremst, so daß zwischen Führungstrommel 12 und dem fertigen Wickel 14 eine Schlaufe geblasen und in diesem Bereich die Papierbahn durchtrennt wird mit der Folge, daß das voreilende Ende der Papierbahn P um die leere Trägerachse 26 gelegt und gewickelt wird. Die Andrückwalze 32 befindet sich dann im weggeschwenkten Zustand, wie dies durch strichtpunktierte Linien in der Figur dargestellt ist. Die Trägerachse mit dem Wickel 14 an der Stelle D wird abgebremst und der Antrieb ausgekuppelt. Dann fahren der Führungsschlitten 44 und der Wickelantrieb gemeinsam von der Stelle D nach B, und es wird der fertige Wickel mittels des Transporthebels 52 von D nach E ausgeschoben. Der Transporthebel 52 wird daraufhin leer zurück von E nach B geschwenkt. Die neue Trägerachse schwenkt, angetrieben durch die Anlage an der Führungstrommel, nach B. Der Führungsschlitten 44 legt sich zusammen mit dem Wickelantrieb an der Stelle B gemeinsam an die Trägerachse 26 an, wobei der Transporthebel 52 die Trägerachse gegen den Führungsschiitten 44 drückt. Der Wickelantrieb beschleunigt dann auf die Synchrondrehzahl und wird gekuppelt. Schließlich wird die Andrückwalze 32 an den — c —When the support axis in position D is fully wound, the swiveling process of the swivel arm 20 is carried out. Due to the slightly eccentric arrangement of the axes 16 and 18, the peripheral surface of the empty carrier axis reaches the periphery of the guide drum 12 and is driven by it. Then the drive of the wound carrier axis is braked in the position D, so that a loop is blown between the guide drum 12 and the finished winding 14 and the paper web is severed in this area, with the result that the leading end of the paper web P about the empty carrier axis 26 is laid and wrapped. The pressure roller 32 is then in the pivoted-away state, as shown by dash-dotted lines in the figure. The carrier axis with the winding 14 at point D is braked and the drive disengaged. Then the guide carriage 44 and the winding drive move together from position D to B, and the finished winding is pushed out from D to E by means of the transport lever 52. The transport lever 52 is then pivoted back empty from E to B. The new carrier axis swings, driven by the system on the guide drum, to B. The guide carriage 44, together with the winding drive, bears against the carrier axis 26 at point B, the transport lever 52 pressing the carrier axis against the guide carriage 44. The winding drive then accelerates to the synchronous speed and is coupled. Finally, the pressure roller 32 to the - c -
Wickel angelegt und schwenkt in die Betriebslage, während die Trägerachse gleichzeitig durch den Stellantrieb gemeinsam mit dem Wickelantrieb in die Lage C überführt wird, welche die Anfangsbetriebslage ist.Coil applied and swivels into the operating position, while the carrier axis is simultaneously transferred by the actuator together with the winding drive into position C, which is the initial operating position.
Wenn nun beim fortschreitenden Wickelvorgang der Wickel 14 hinsichtlich seines Durchmessers zunimmt, so erhöht sich der Druck auf die Andrückwaize mit der Folge eines Verschwenkens des Hilfshebels 34 und einer Einwirkung auf den induktiven Weggeber. In Abhängigkeit von der Betätigung des induktiven Weggebers erfolgt dann ein synchroner Antrieb des Führungsschlittens 44 und somit ein synchroner Weitertransport des Wickels 14 mit der zugehörigen Trägerachse 26. If, as the winding process progresses, the diameter of the winding 14 increases, the pressure on the pressure roller increases, with the result that the auxiliary lever 34 swivels and acts on the inductive displacement sensor. Depending on the actuation of the inductive displacement sensor, the guide carriage 44 is then driven synchronously and thus the winding 14 is synchronously transported further with the associated carrier axis 26.

Claims

Patentansprüche; Claims;
1. Vorrichtung für das kontinuierliche Aufwickeln einer Bahn aus blattförmigem Material, insbesondere einer Papierbahn auf eine Trägerachse, mit einer die Bahn umlenkenden Tragtrommel, einer Übergabeeinrichtung für das Übergeben einer leeren Trägerachse aus einer Aufnahmeposition in eine Betriebsposition, einem Antrieb für die Trägerachse und einer während des Wickelbetriebs wirksamen Stütz- und Transporteinrichtung für das Bewegen der Trägerachse und zum Austragen der voll bewickelten Trägerachse, und einer Einrichtung zum Übergeben der zugeführten Bahn von der voll bewickelten Trägerachse auf eine leere Trägerachse, dadurch gekennzeichnet, daß die Tragtrommel als Führungstrommel (12) so angeordnet ist, daß sie sich stets im Abstand zum Wickel (14) befindet, daß in Verlaufsrichtung der Bahn (P) hinter der Führungstrommel (12) eine Andrückwalze (32) vorgesehen und so angeordnet ist, daß sie stets im Betrieb am Wickel (14) anliegt, daß die Andrückwalze (32) für das Erfassen der Zunahme des Wickels mit einem Sensor (42) verbunden ist, daß die Stütz- und Transporteinrichtung (44) für die Trägerachse (26) mit einem vom Sensor (42) gesteuerten Antrieb (48) verbunden ist, und daß ein eigener Wickelantrieb für das Drehen der Trägerachse (26) vorgesehen ist.1.Device for the continuous winding of a web of sheet material, in particular a paper web on a carrier axis, with a support drum deflecting the web, a transfer device for transferring an empty carrier axis from a receiving position into an operating position, a drive for the carrier axis and a while the winding operation effective support and transport device for moving the carrier axis and for discharging the fully wound carrier axis, and a device for transferring the fed web from the fully wound carrier axis to an empty carrier axis, characterized in that the carrier drum as a guide drum (12) is arranged so that it is always at a distance from the winding (14), that in the direction of travel of the web (P) behind the guide drum (12) a pressure roller (32) is provided and arranged so that it is always in operation on the winding (14 ) is present that the pressure roller (32) f r the detection of the increase in the winding is connected to a sensor (42), that the support and transport device (44) for the carrier axis (26) is connected to a drive (48) controlled by the sensor (42), and that its own Winding drive is provided for rotating the carrier axis (26).
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß die Andrückwaize (32) über einen Hilfshebel (34) lageverstellbar an einem Schwenkhebel (36) angeordnet ist, daß der Hilfshebel (34) am Schwenkhebel (36) angelenkt ist und mit dem Sensor (42) in Wirkverbindung steht.2. Device according to claim 1, characterized in that the pressure roller (32) via an auxiliary lever (34) is arranged in a positionally adjustable manner on a pivoting lever (36), that the auxiliary lever (34) is articulated on the pivoting lever (36) and with the sensor ( 42) is in operative connection.
3. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß die Stütz - und Transporteinrichtung aus einem mit einem Spindeltrieb (46) verbundenen Führungsschlitten (44) besteht.3. Apparatus according to claim 1, characterized in that the supporting and transport device consists of a guide carriage (44) connected to a spindle drive (46).
4. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß die Oberfläche der Führungstrommel (12) aufgerauht ist. 4. The device according to claim 1, characterized in that the surface of the guide drum (12) is roughened.
EP89905637A 1988-07-08 1989-05-12 Continuous winding device for sheets of material, in particular paper webs Expired - Lifetime EP0419498B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8808823U 1988-07-08
DE8808823U DE8808823U1 (en) 1988-07-08 1988-07-08 Device for the continuous winding of a web of sheet material, in particular a paper web

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EP0419498A1 true EP0419498A1 (en) 1991-04-03
EP0419498B1 EP0419498B1 (en) 1994-03-02

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EP89905637A Expired - Lifetime EP0419498B1 (en) 1988-07-08 1989-05-12 Continuous winding device for sheets of material, in particular paper webs

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US (1) US5249758A (en)
EP (1) EP0419498B1 (en)
DE (2) DE8808823U1 (en)
WO (1) WO1990000511A1 (en)

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Also Published As

Publication number Publication date
DE58907132D1 (en) 1994-04-07
DE8808823U1 (en) 1988-08-25
WO1990000511A1 (en) 1990-01-25
EP0419498B1 (en) 1994-03-02
US5249758A (en) 1993-10-05

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