EP0680911B1 - Device for winding up a continously fed web, especially for paper web - Google Patents

Device for winding up a continously fed web, especially for paper web Download PDF

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Publication number
EP0680911B1
EP0680911B1 EP95105608A EP95105608A EP0680911B1 EP 0680911 B1 EP0680911 B1 EP 0680911B1 EP 95105608 A EP95105608 A EP 95105608A EP 95105608 A EP95105608 A EP 95105608A EP 0680911 B1 EP0680911 B1 EP 0680911B1
Authority
EP
European Patent Office
Prior art keywords
winding
pressure roller
reel
web
station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95105608A
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German (de)
French (fr)
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EP0680911A1 (en
Inventor
Dieter Junk
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 Finishing GmbH
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Voith Sulzer Finishing GmbH
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Publication date
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Publication of EP0680911A1 publication Critical patent/EP0680911A1/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
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • B65H19/305—Inserting core
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/31—Features of transport path
    • B65H2301/316—Features of transport path of web roll
    • B65H2301/3164—Features of transport path of web roll involving at least two planes containing the roll axis
    • B65H2301/31642—L-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4182—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
    • B65H2301/41826—Core or mandrel insertion, e.g. means for loading core or mandrel in winding position by gripping or pushing means, mechanical or suction gripper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/2362—Winding machines with two secondary winding spools, e.g. on separate carriages
    • B65H2408/2364—Winding machines with two secondary winding spools, e.g. on separate carriages with additional element for facilitating web roll change

Definitions

  • the invention relates to a device for Winding a continuously tapering web, in particular Paper web, on a reel according to the generic term of claim 1.
  • the invention has for its object a device of the type described at the beginning with which good winding quality even for large and heavy ones Winding is achievable.
  • the coupling of the reel bearing slide and roller bearing slide according to claim 5 facilitates Tracking the pressure roller when the Secondary winding.
  • the auxiliary pressure roller according to claim 8 is only at the end of the wrapping process effective where there is much less on a precise control of web tension and contact pressure arrives than at the beginning of the wrap.
  • the arrangement of the separation device according to claim 10 the advantage that the web between the winding station and the second drum, so that the Start of the trailing track section over the entire Width is wound on the second drum.
  • this is only possible if the separating device is connected to the bearing for the pressure roller because otherwise the separation device stops the movement of the pressure roller would hinder.
  • the invention is based on one in the Drawing shown preferred embodiment explained in more detail.
  • 1 to 5 show one device according to the invention in different operating positions, while Fig. 6 is an enlarged view represents the separator.
  • the illustrated device has a winding station 1 with fixed bearing blocks 2, the lowerable Bearings 3 for a drum 4. On him a web 5 to a winding, hereinafter primary winding 6 called, wrapped. For this purpose there is a rotary actuator 7 provided for the drum 4. Close to the camp Rails 8, over which the drum 4 'of a finished one Primary winding 6 'with the aid of tow arms 9 can be removed from the winding station 1.
  • the web 5 is the primary winding 6 via a guide roller 10, for example a spreader roll, and a deflecting roll 11 fed such that the primary winding 6 immediately preceding path section 12 vertically and runs tangentially to the winding circumference. So this Condition preserved even with increasing winding diameter remains, guide roller 10 and deflection roller 11 at one Carriage sled 13 mounted on a base 14 is horizontally displaceable. For this purpose a distance control, not shown, is provided, which ensures that the right front edge of the Carriage 13 constantly a predetermined distance has the circumference of the primary winding 6.
  • a pressure roller 15 is also attached to the support carriage 13 worn with an inlet gap with the primary winding 6 16 forms and with the help of a short-stroke force transmitter 17th can be pressed against the circumference of the wrap.
  • This pitch force control for contact pressure for example done electro-pneumatically.
  • the pressure roller 15 with the short stroke force generator 17 is arranged on a roller bearing carriage 18, the along a vertical guideway 19 on the support carriage 13 is formed, can be relocated.
  • the roller bearing carriage 18 also carries below Pressure roller 15 a separating device 20 with a Cutting knife 21 and adjacent blow nozzles 22.
  • a auxiliary pressure roller 23 is on the support slide 13 below the pressure roller 15 below the pressure roller 15 an auxiliary pressure roller 23, also with an adjusting device 24 provided, arranged.
  • a horizontal movable transfer carriage 26 On another base 25 is a horizontal movable transfer carriage 26 arranged. He wears a guideway 27 parallel to the guideway 19 which a drum bearing slide 28 is vertically displaceable is.
  • This carriage carries a bearing 29 for a second drum 30 and forms in that illustrated in FIG upper position a receiving station 31st for this second drum.
  • a drive 32 for this second drum 30 is stationary on the drive 7 arranged opposite side of the device and connected to the second drum via a cardan shaft.
  • the spool bearing carriage 28 and Roller bearing carriage 18 a clutch 33 with which this Carriage in the receiving station 31 in a vertical Form-fitting direction - but horizontally movable - can be coupled, e.g. through hydraulic sliding bolts.
  • the axes of the second drum 30 and the pressure roller 15 lie in a horizontal plane, which is slowly shifting downwards.
  • 1 to 5 show the winding device described in different, successive operating positions.
  • Fig. 1 briefly illustrates normal winding operation before the maximum winding diameter of the primary winding is reached 6.
  • the receiving station 31 is already the second drum 30.
  • the previous wrap 6 has reached the acceptance position.
  • Fig. 2 shows the situation shortly after the initiation of Role change, so if the primary winding 6 almost the has reached the desired diameter.
  • the auxiliary pressure roller 23 is using their adjusting device 24 pressed against the circumference of the primary winding 6.
  • the roller bearing carriage 18 in Overdrive up to the height of the receiving station 31 and there with the help of the clutch 33 with the reel bearing slide 28 connected.
  • the second drum 30 was already by the drive 32 on the Web speed corresponding peripheral speed has been brought. During these steps you can the support slide 13 and the transfer slide 26 in their last position.
  • the distance control is temporarily overridden and only again with the contact between the pressure roller 17 and the second drum 30 activated, initially continue during the transfer carriage 26 remains fixed.
  • the winding can also be carried out by a moistening of the second drum 30 and / or one Air nozzle-equipped guide shell that can be swung in and out is to be supported.
  • the lifting drives for the roller bearing slide 18 and the drum bearing slide 28 be of a precise type, e.g. in the form of screw jacks, during the Lift drive for the other slide because it is with the first-mentioned carriage is coupled, less precise must be designed, e.g. a cable cylinder or can have an air motor.
  • the stroke drive for the reel bearing slide 28 is precise designed, because it makes more sense, the small pressure roller mass of the larger drum mass to leave than vice versa. Because of the slow lowering movement, has the train regulation, which helps with that of the drive 32 is effected, sufficient time at every adjustment of the web run length required adjustment to accomplish. The optimal wrapping process is therefore not affected. With this downward movement the transfer carriage 26 can be held stationary, during the carriage 13 depending on a distance control the increasing radius of the secondary winding 6 '' follows.
  • the drive 32 also by one traveling with the reel bearing carriage 28 Engine to be replaced.
  • the individual work steps can connect to each other fully automatically.
  • the horizontal drives can be in the usual Manner, e.g. trained hydro or electric motor be.
  • the pressure roller 15 can be used to compensate for Deflections and / or influencing the Contact pressure curve across the web width, e.g. at Cross profile errors, as deflection compensation roller be trained. It can be used to influence the web tension also a motor / generator drive exhibit. Also for maintaining the synchronous speed during the phase detached from the wrap a drive of the pressure roller 15 can be useful.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Special Articles (AREA)

Abstract

The continuous feed material is wound onto a roll (6) held in a fixed winding position (3). The sheet feed is to a top mounted roller (11) and vertically down to a pressure roller (15) which guides the feed onto the roll. The core (30) for the next roll is held ready near the top roller. To move the winding to the next core the pressure roller is raised up a vertical guide. The fresh core is then lowered and moved into the fixed winding position. The feed direction is controlled by parallel slide adjustments on the winding frame. This brings the vertical feed tangential to the roll being wound. Full rolls are removed on a rolling support (8) to a transfer position. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Aufwickeln einer kontinuierlich zulaufenden Bahn, insbesondere Papierbahn, auf einen Tambour nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for Winding a continuously tapering web, in particular Paper web, on a reel according to the generic term of claim 1.

Bei einer bekannten Vorrichtung dieser Art (DE 33 32 827 A1) sind an einem Drehkopf zwei um 180° versetzte Lager für je einen Tambour angeordnet. Diese Lager dienen abwechselnd als Wickelstation und Aufnahmestation. Jedem Lager ist eine Andruckwalze zugeordnet. Diese Wickelvorrichtung eignet sich nur für verhältnismäßig kleine Rollen, nicht aber für lange und schwere Rollen, wie sie beispielsweise in der Papiertechnik benötigt werden. Außerdem bereitet es Schwierigkeiten, die beiden Andruckwalzen mit ihrer Andruckmechanik auf dem Drehkopf unterzubringen. In a known device of this type (DE 33 32 827 A1) are two on a rotary head offset by 180 ° Bearings arranged for one drum each. This Bearings serve alternately as a winding station and receiving station. A pressure roller is assigned to each bearing. This winding device is only suitable for proportionally small roles, but not for long and heavy roles, such as those in paper technology are needed. It’s also difficult the two pressure rollers with their pressure mechanism to accommodate on the turret.

Bei einer weiteren bekannten Vorrichtung (DE 41 04 635 A1), die ebenfalls mit einem Drehkopf arbeitet, wird die Bahn über eine Umlenkwalze zugeführt, die im Bereich der Aufnahmestation als Andruckwalze dient. Eine zweite Andruckwalze ist der Wickelstation zugeordnet. Während der Übergabe des Sekundärwickels von der Aufnahmestation zur Wickelstation ist zunächst die eine Andruckwalze und dann die andere Andruckwalze wirksam. Dies hat zur Folge, daß sich zum einen der Umschlingungswinkel, mit dem die Bahn auf der Umlenkwalze aufliegt, und zum andern die Winkellage, in der die Andruckkraft auf den Wickel wirkt, in erheblichem Maß ändern. Dies führt zu Änderungen im Kontaktdruck zwischen Andruckwalze und Wickel sowie zu Änderungen in der Bahnspannung. Diese Änderungen sind bei den angestrebten Wickelgeschwindigkeiten nicht hinreichend ausregelbar. Hierdurch wird der Wickel vor allem in der Anwickelphase negativ beeinflußt.In another known device (DE 41 04 635 A1), which also works with a rotary head the web is fed via a deflection roller, which is in the area the receiving station serves as a pressure roller. A second pressure roller is assigned to the winding station. During the transfer of the secondary wrap from the receiving station to the changing station is first one Pressure roller and then the other pressure roller effective. As a result, the wrap angle, with which the web rests on the deflection roller and secondly the angular position in which the pressing force acts on the winding, to a considerable extent to change. This leads to changes in the contact pressure between Pressure roller and winding as well as changes in the web tension. These changes are aimed at Winding speeds cannot be sufficiently regulated. This makes the wrap especially in the Start-up phase negatively affected.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Art anzugeben, mit der eine gute Wickelqualität auch bei großen und schweren Wickeln erzielbar ist.The invention has for its object a device of the type described at the beginning with which good winding quality even for large and heavy ones Winding is achievable.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is achieved by the features of claim 1 solved.

Da die Wickelstation ortsfest angeordnet ist, können auch sehr große und schwere Wickel erzeugt werden. Für die Andruckwalze mit zugehöriger Mechanik steht ausreichend Platz zur Verfügung. Die Bahn läuft dem Umfang des Wickels frei und ohne Umschlingung einer Andruckwalze zu. Daher ergibt sich eine klare Trennung der beiden Einstellmöglichkeiten, nämlich der Bahnspannung und des von der Andruckwalze ausgeübten Kontaktdrucks. Da die Andruckwalze von Wickelbeginn kontinuierlich bis in die Wickelstation wirksam ist, lassen sich die beschriebenen Verhältnisse praktisch während der gesamten Wickelzeit aufrechterhalten. Dies führt zu der angestrebten guten Wickelqualität.Since the winding station is arranged in a fixed position, very large and heavy windings can also be produced. For the pressure roller with associated mechanics is sufficient Space available. The web runs the scope of the roll freely and without wrapping a pressure roller to. This results in a clear separation of the two setting options, namely the web tension and the contact pressure exerted by the pressure roller. Since the pressure roller continuously from the start of winding up is effective in the winding station, the described Ratios practically throughout Maintain winding time. This leads to the desired good winding quality.

Bei der Nachführung der Andruckwalze gemäß Anspruch 2 ist sichergestellt, daß die Andruckwalze ihre relative Lage zum Tambour während des gesamten Wickelvorgangs beibehält.When tracking the pressure roller according to claim 2 it is ensured that the pressure roller its relative Position to the drum during the entire winding process maintains.

Bei der Weiterbildung nach Anspruch 3 sind die beiden Führungsbahnen für den Sekundärwickel und für die Andruckwalze dem Bahnverlauf angepaßt, was eine besonders einfache Konstruktion ergibt.In the training according to claim 3, the two Guideways for the secondary winding and for the pressure roller adapted to the course of the path, which is a special simple construction results.

Die Beschränkung der Bewegungen auf einen vertikalen und einen horizontalen Verlauf gemäß Anspruch 4 führt zu einer weiteren Vereinfachung. Überdies ist dafür gesorgt, daß das Gewicht der Andruckwalze keinen Einfluß auf den Kontaktdruck hat.Restriction of movements to a vertical one and leads a horizontal course according to claim 4 for further simplification. Furthermore, it is ensured that the weight of the pressure roller has no influence on the contact pressure.

Die Koppelbarkeit von Tambourlager-Schlitten und Walzenlager-Schlitten gemäß Anspruch 5 erleichtert die Nachführung der Andruckwalze bei einer Verlagerung des Sekundärwickels.The coupling of the reel bearing slide and roller bearing slide according to claim 5 facilitates Tracking the pressure roller when the Secondary winding.

Mit Hilfe des Übergabe-Schlittens gemäß Anspruch 6 kann man den Sekundärwickel auf einer ortsfesten Wickelstation ablegen.With the help of the transfer carriage according to claim 6 the secondary winding on a stationary winding station lay down.

Durch die Weiterbildung nach Anspruch 7 ergibt sich eine besonders feinfühlige Regelung des Kontaktdurcks zwischen Andruckwalze und Wickel, weil durch die Abstandsregelung für den Kraftgeber in allen Betriebsstellungen gleiche Verhältnisse vorliegen. The further development according to claim 7 results a particularly sensitive control of the contact pressure between the pressure roller and the winding because of the distance control for the encoder in all operating positions the same conditions exist.

Die Hilfs-Andruckwalze gemäß Anspruch 8 ist nur am Ende des Wickelvorgangs wirksam, wo es viel weniger auf eine genaue Regelung von Bahnspannung und Kontaktdruck ankommt als am Wickelanfang.The auxiliary pressure roller according to claim 8 is only at the end of the wrapping process effective where there is much less on a precise control of web tension and contact pressure arrives than at the beginning of the wrap.

Durch Verwendung eines Schnellgangs nach Anspruch 9 kann man die Zeit, in der die Hilfs-Andruckwalze wirksam ist, noch weiter verkürzen.By using an overdrive according to claim 9 you can see the time in which the auxiliary pressure roller takes effect is shorten even further.

Die Anordnung der Trennvorrichtung nach Anspruch 10 hat den Vorteil, daß sie die Bahn zwischen Wickelstation und zweitem Tambour trennt, so daß von vornherein der Anfang des nachlaufenden Bahnabschnitts über die gesamte Breite auf den zweiten Tambour aufgewickelt wird. Dies ist aber nur möglich, wenn die Trennvorrichtung mit dem Lager für die Andruckwalze verbunden ist, weil andernfalls die Trennvorrichtung die Bewegung der Andruckwalze behindern würde.The arrangement of the separation device according to claim 10 the advantage that the web between the winding station and the second drum, so that the Start of the trailing track section over the entire Width is wound on the second drum. However, this is only possible if the separating device is connected to the bearing for the pressure roller because otherwise the separation device stops the movement of the pressure roller would hinder.

Die Erfindung wird nachstehend anhand eines in der Zeichnung dargestellten bevorzugten Ausführungsbeispiels näher erläutert. Die Fig. 1 bis 5 zeigen eine erfindungsgemäße Vorrichtung in verschiedenen Betriebsstellungen, während Fig. 6 eine vergrößerte Darstellung der Trennvorrichtung darstellt.The invention is based on one in the Drawing shown preferred embodiment explained in more detail. 1 to 5 show one device according to the invention in different operating positions, while Fig. 6 is an enlarged view represents the separator.

Die veranschaulichte Vorrichtung besitzt eine Wickelstation 1 mit ortsfesten Lagerböcken 2, die absenkbare Lager 3 für einen Tambour 4 aufweisen. Auf ihn wird eine Bahn 5 zu einem Wickel, nachstehend Primärwickel 6 genannt, gewickelt. Zu diesem Zweck ist ein Drehantrieb 7 für den Tambour 4 vorgesehen. An das Lager schließen Schienen 8 an, über die der Tambour 4' eines fertiggestellten Primärwickels 6' mit Hilfe von Schlepparmen 9 aus der Wickelstation 1 entfernt werden kann. The illustrated device has a winding station 1 with fixed bearing blocks 2, the lowerable Bearings 3 for a drum 4. On him a web 5 to a winding, hereinafter primary winding 6 called, wrapped. For this purpose there is a rotary actuator 7 provided for the drum 4. Close to the camp Rails 8, over which the drum 4 'of a finished one Primary winding 6 'with the aid of tow arms 9 can be removed from the winding station 1.

Die Bahn 5 wird dem Primärwickel 6 über eine Leitwalze 10, beispielsweise eine Breitstreckwalze, und eine Umlenkwalze 11 derart zugeführt, daß der dem Primärwickel 6 unmittelbar vorgeschaltete Bahnabschnitt 12 vertikal und tangential zum Wickelumfang verläuft. Damit dieser Zustand auch bei wachsendem Wickeldurchmesser erhalten bleibt, sind Leitwalze 10 und Umlenkwalze 11 an einem Trag-Schlitten 13 gelagert, der auf einem Untergestell 14 horizontal verschiebbar ist. Zu diesem Zweck ist eine nicht veranschaulichte Abstandsregelung vorgesehen, die dafür sorgt, daß die rechte Stirnkante des Trag-Schlittens 13 ständig einen vorbestimmten Abstand vom Umfang des Primärwickels 6 hat.The web 5 is the primary winding 6 via a guide roller 10, for example a spreader roll, and a deflecting roll 11 fed such that the primary winding 6 immediately preceding path section 12 vertically and runs tangentially to the winding circumference. So this Condition preserved even with increasing winding diameter remains, guide roller 10 and deflection roller 11 at one Carriage sled 13 mounted on a base 14 is horizontally displaceable. For this purpose a distance control, not shown, is provided, which ensures that the right front edge of the Carriage 13 constantly a predetermined distance has the circumference of the primary winding 6.

Vom Trag-Schlitten 13 wird ferner eine Andruckwalze 15 getragen, die mit dem Primärwickel 6 einen Einlaufspalt 16 bildet und mit Hilfe eines Kurzhub-Kraftgebers 17 gegen den Wickelumfang gedrückt werden kann. Diese Anstellkraftregelung für den Kontaktdruck kann beispielsweise elektro-pneumatisch erfolgen. Durch Wahl des Kontaktdrucks und der Bahnspannung läßt sich ein optimaler Wickel erzeugen.A pressure roller 15 is also attached to the support carriage 13 worn with an inlet gap with the primary winding 6 16 forms and with the help of a short-stroke force transmitter 17th can be pressed against the circumference of the wrap. This pitch force control for contact pressure, for example done electro-pneumatically. By choosing the contact pressure and the web tension can be optimal Create wrap.

Die Andruckwalze 15 mit dem Kurzhub-Kraftgeber 17 ist auf einem Walzenlager-Schlitten 18 angeordnet, der längs einer vertikalen Führungsbahn 19, die am Trag-Schlitten 13 ausgebildet ist, verlagert werden kann. Der Walzenlager-Schlitten 18 trägt ferner unterhalb der Andruckwalze 15 eine Trennvorrichtung 20 mit einem Trennmesser 21 und benachbarten Blasdüsen 22. Außerdem ist am Trag-Schlitten 13 unterhalb der Andruckwalze 15 eine Hilfs-Andruckwalze 23, ebenfalls mit einer Anstellvorrichtung 24 versehen, angeordnet. The pressure roller 15 with the short stroke force generator 17 is arranged on a roller bearing carriage 18, the along a vertical guideway 19 on the support carriage 13 is formed, can be relocated. The roller bearing carriage 18 also carries below Pressure roller 15 a separating device 20 with a Cutting knife 21 and adjacent blow nozzles 22. In addition is on the support slide 13 below the pressure roller 15 an auxiliary pressure roller 23, also with an adjusting device 24 provided, arranged.

Auf einem weiteren Untergestell 25 ist ein horizontal verfahrbarer Übergabe-Schlitten 26 angeordnet. Er trägt eine zur Führungsbahn 19 parallele Führungsbahn 27, auf der ein Tambourlager-Schlitten 28 vertikal verschiebbar ist. Dieser Schlitten trägt ein Lager 29 für einen zweiten Tambour 30 und bildet in der in Fig. 1 veranschaulichten oberen Stellung eine Aufnahmestation 31 für diesen zweiten Tambour. Ein Antrieb 32 für diesen zweiten Tambour 30 ist ortsfest auf der dem Antrieb 7 gegenüberliegenden Seite der Vorrichtung angeordnet und mit dem zweiten Tambour über eine Gelenkwelle verbunden.On another base 25 is a horizontal movable transfer carriage 26 arranged. He wears a guideway 27 parallel to the guideway 19 which a drum bearing slide 28 is vertically displaceable is. This carriage carries a bearing 29 for a second drum 30 and forms in that illustrated in FIG upper position a receiving station 31st for this second drum. A drive 32 for this second drum 30 is stationary on the drive 7 arranged opposite side of the device and connected to the second drum via a cardan shaft.

Ferner besitzen der Tambourlager-Schlitten 28 und der Walzenlager-Schlitten 18 eine Kupplung 33, mit der diese Schlitten in der Aufnahmestation 31 in vertikaler Richtung formschlüssig - aber horizontal verschieblich - gekoppelt werden können, z.B. durch hydraulisch verschiebbare Bolzen. Die Achsen des zweiten Tambours 30 und der Andruckwalze 15 liegen in einer Horizontalebene, die sich langsm nach unten verschiebt.Furthermore, the spool bearing carriage 28 and Roller bearing carriage 18 a clutch 33 with which this Carriage in the receiving station 31 in a vertical Form-fitting direction - but horizontally movable - can be coupled, e.g. through hydraulic sliding bolts. The axes of the second drum 30 and the pressure roller 15 lie in a horizontal plane, which is slowly shifting downwards.

Die Fig. 1 bis 5 zeigen die beschriebene Wickelvorrichtung in verschiedenen, aufeinanderfolgenden Betriebsstellungen.1 to 5 show the winding device described in different, successive operating positions.

Fig. 1 veranschaulicht den normalen Wickelbetrieb kurz vor Erreichen des maximalen Wickeldurchmessers des Primärwickels 6. In der Aufnahmestation 31 befindet sich bereits der zweite Tambour 30. Der vorangehende Wickel 6' hat die Abnahmeposition erreicht.Fig. 1 briefly illustrates normal winding operation before the maximum winding diameter of the primary winding is reached 6. In the receiving station 31 is already the second drum 30. The previous wrap 6 'has reached the acceptance position.

Fig. 2 zeigt die Situation kurz nach Einleitung des Rollenwechsels, wenn also der Primärwickel 6 nahezu den gewünschten Durchmesser erreicht hat. Die Hilfs-Andruckwalze 23 wird mit Hilfe ihrer Anstellvorrichtung 24 gegen den Umfang des Primärwickels 6 gedrückt. Unmittelbar darauf wird der Walzenlager-Schlitten 18 im Schnellgang bis in die Höhe der Aufnahmestation 31 gefahren und dort mit Hilfe der Kupplung 33 mit dem Tambourlager-Schlitten 28 verbunden. Der zweite Tambour 30 war inzwischen schon durch den Antrieb 32 auf die der Bahngeschwindigkeit entsprechende Umfangsgeschwindigkeit gebracht worden. Während dieser Schritte können der Trag-Schlitten 13 und der Übergabe-Schlitten 26 in ihrer zuletzt eingenommenen Position fixiert werden. Die Abstandsregelung wird kurzzeitig außer Kraft gesetzt und erst wieder mit dem Kontakt zwischen der Andruckwalze 17 und dem zweiten Tambour 30 aktiviert, während der Übergabeschlitten 26 zunächst weiterhin fixiert bleibt.Fig. 2 shows the situation shortly after the initiation of Role change, so if the primary winding 6 almost the has reached the desired diameter. The auxiliary pressure roller 23 is using their adjusting device 24 pressed against the circumference of the primary winding 6. Right away then the roller bearing carriage 18 in Overdrive up to the height of the receiving station 31 and there with the help of the clutch 33 with the reel bearing slide 28 connected. The second drum 30 was already by the drive 32 on the Web speed corresponding peripheral speed has been brought. During these steps you can the support slide 13 and the transfer slide 26 in their last position. The distance control is temporarily overridden and only again with the contact between the pressure roller 17 and the second drum 30 activated, initially continue during the transfer carriage 26 remains fixed.

Unmittelbar danach erfolgt eine schlagartige Bahntrennung durch das Messer 21 der Trennvorrichtung 20. Das Ende des vorlaufenden Bahnabschnitts wickelt sich auf den Primärwickel 6. Der Anfang des nachlaufenden Bahnabschnitts legt sich, unterstützt durch die Blasdüsen 22, um den zweiten Tambour 30. Die schlagartige Bahntrennung und die gleichzeitige Anwickelung der vollen Bahnbreite in wenigen hundertstel Sekunden ist bei hohen Rollenwechselgeschwindigkeiten erstrebenswert, um Konizitäten oder Bombagen des Wickelkerns zu vermeiden. Außerdem wird hierdurch der Bahnausschuß verringert. Statt der Blasdüsen 22 kann das Anwickeln auch durch eine Befeuchtung des zweiten Tambours 30 und/oder einer luftdüsenbestückten Leitschale, die ein- und ausschwenkbar ist, unterstützt werden.Immediately afterwards there is an abrupt web separation through the knife 21 of the separator 20. Das The end of the leading track section winds up the primary winding 6. The beginning of the trailing path section lies down, supported by the blow nozzles 22 to the second drum 30. The sudden web separation and the simultaneous winding up of the full Web width in a few hundredths of a second is at high Roll changing speeds desirable to Avoid conicity or bombage of the winding core. In addition, this reduces the railway committee. Instead of the blowing nozzles 22, the winding can also be carried out by a moistening of the second drum 30 and / or one Air nozzle-equipped guide shell that can be swung in and out is to be supported.

Weil der Sekundärwickel 6'' in der Aufnahmestation 31 schon von Beginn an die eingangs beschriebenen optimalen Wickelparameter besitzt, können der zweite Tambour 30 und die mit ihr gekoppelte Andruckwalze 15 in einem präzisen Schleichgang bis in die Höhe der Wickelstation 1, aus der der Primärwickel 6 nach Absenken des Lagers 3 mit Hilfe der Schlepparme 9 entfernt worden ist, abgesenkt werden (Fig. 3). Zu diesem Zweck sollte einer der Hubantriebe für den Walzenlager-Schlitten 18 und den Tambourlager-Schlitten 28 von präziser Art sein, z.B. in der Form von Spindelhubelementen, während der Hubantrieb für den anderen Schlitten, weil er mit dem erstgenannten Schlitten gekoppelt ist, weniger präzise ausgelegt sein muß, z.B. einen Seilzugzylinder oder einen Luftmotor aufweisen kann. Zweckmäßigerweise ist der Hubantrieb für den Tambourlager-Schlitten 28 präzise ausgelegt, weil es sinnvoller ist, die kleine Andruckwalzenmasse von der größeren Tambourmasse unternehmen zu lassen als umgekehrt. Wegen der langsamen Absenkbewegung, hat die Bahnzugregelung, die dabei mit Hilfe des Antriebs 32 bewirkt wird, genügend Zeit, die bei jeder Änderung der Bahnlauflängen erforderliche Anpassung zu vollziehen. Der optimale Wickelvorgang wird daher nicht beeinträchtigt. Bei dieser Abwärtsbewegung kann der Übergabe-Schlitten 26 ortsfest gehalten werden, während der Trag-Schlitten 13 in Abhängigkeit von einer Abstandsregelung dem zunehmenden Radius des Sekundärwickels 6'' folgt.Because the secondary winding 6 ″ in the receiving station 31 right from the start, the optimal ones described at the beginning The second drum can 30 and the pressure roller 15 coupled with it in one precise creep speed up to the height of the winding station 1, from which the primary winding 6 after lowering the bearing 3 has been removed with the aid of the tow arms 9 be (Fig. 3). For this purpose, one should of the lifting drives for the roller bearing slide 18 and the drum bearing slide 28 be of a precise type, e.g. in the form of screw jacks, during the Lift drive for the other slide because it is with the first-mentioned carriage is coupled, less precise must be designed, e.g. a cable cylinder or can have an air motor. It is expedient the stroke drive for the reel bearing slide 28 is precise designed, because it makes more sense, the small pressure roller mass of the larger drum mass to leave than vice versa. Because of the slow lowering movement, has the train regulation, which helps with that of the drive 32 is effected, sufficient time at every adjustment of the web run length required adjustment to accomplish. The optimal wrapping process is therefore not affected. With this downward movement the transfer carriage 26 can be held stationary, during the carriage 13 depending on a distance control the increasing radius of the secondary winding 6 '' follows.

Sobald der Walzenlager-Schlitten 18 und der Tambourlager-Schlitten 28, die miteinander gekoppelt sind, die Höhe der Wickelstation 1 erreicht haben, wird die Fixierung der Position des Übergabe-Schlittens 26 aufgehoben und dessen Antrieb in Richtung auf die Wickelstation 1 eingeschaltet. Aufgrund der vorerwähnten Abstandsregelung folgt der Trag-Schlitten 13 dem Übergabe-Schlitten 26, vermindert um das Maß der Zunahme des Radius des Sekundärwickels 6''. Geringfügige Synchronfehler der Horizontalantriebe der beiden Schlitten bleiben ohne Auswirkung, weil der sensible, horizontal wirkende Kurzhub-Kraftgeber 17 ausgleichend wirkt. As soon as the roller bearing carriage 18 and the drum bearing carriage 28, which are coupled together, the Have reached the height of the winding station 1, the fixation the position of the transfer carriage 26 canceled and its drive towards the winding station 1 switched on. Because of the aforementioned distance control the carrier carriage 13 follows the transfer carriage 26, reduced by the amount of increase in Radius of the secondary winding 6 ''. Minor sync errors the horizontal drives of the two carriages remain without effect because of the sensitive, horizontal acting short stroke force transmitter 17 has a compensating effect.

Sobald der zweite Tambour 30 die Wickelstation 1 erreicht, werden die Lager 3 angehoben und in üblicher Weise verschlossen, so daß der Sekundärwickel 6'' für den weiteren Wickelvorgang eine feste Lagerung besitzt. Dies ist in Fig. 4 veranschaulicht. Der Tambour 30 wird mit dem Antrieb 7 verbunden, so daß der Antrieb 32 abgekuppelt werden kann. Da mit Hilfe der Antriebe auch der Bahnzug festgelegt wird, erfolgt eine entsprechende Übergabe der Regelung vom Antrieb 32 auf den Antrieb 7.As soon as the second drum 30 reaches the winding station 1, the bearings 3 are raised and in the usual way Way closed so that the secondary winding 6 '' for the further winding process has a fixed storage. This is illustrated in Figure 4. The drum 30 turns connected to the drive 7 so that the drive 32 uncoupled can be. Because with the help of the drives too the train train is determined, there is a corresponding Transfer of control from drive 32 to drive 7.

Sobald der Wickeldurchmesser des Sekundärwickels 6'' größer geworden ist, wie dies Fig. 5 zeigt, kann der mit Hilfe des Übergabe-Schlittens 26 nach links verfahrene Tambourlager-Schlitten 28 bis in die Aufnahmestation 31 angehoben und dabei am zweiten Tambour 30 vorbeibewegt werden. Zweckmäßigerweise wird der Übergabe-Schlitten 26 zusammen mit dem Trag-Schlitten 13 verfahren und der Tambourlager-Schlitten 28 bei einer definierten Position nach oben bewegt. Damit ist die richtige Zuordnung aller Bauelemente für den nächsten Rollenwechsel gewährleistet.As soon as the winding diameter of the secondary winding 6 '' has become larger, as shown in FIG. 5, the with the help of the transfer carriage 26 moved to the left Drum bearing sled 28 to the receiving station 31 raised and moving past the second drum 30 will. The transfer carriage is expediently 26 move together with the support slide 13 and the drum bearing slide 28 at a defined one Position moved up. So that's it correct allocation of all components for the next one Role change guaranteed.

Von der beschriebenen Ausführungsform sind zahlreiche Abwandlungen möglich, ohne den Grundgedanken der Erfindung zu verlassen. Beispielsweise kann der Antrieb 32 auch durch einen mit dem Tambourlager-Schlitten 28 mitfahrenden Motor ersetzt werden. Die einzelnen Arbeitsschritte können vollautomatisch aneinander anschließen. Statt der beiden Untergestelle 14 und 25 kann auch ein gemeinsames Untergestell mit versetzten Ebenen verwendet werden. Die Horizontalantriebe können in üblicher Weise, z.B. hydro- oder elektromotorisch ausgebildet sein. Die Andruckwalze 15 kann zur Kompensation von Durchbiegungen und/oder einer Beeinflussung des Kontaktdruckverlaufes über die Bahnbreite, z.B. bei Querprofilfehlern, als Durchbiegungsausgleichswalze ausgebildet sein. Sie kann zur Beeinflussung der Bahnspannung auch einen motorisch/generatorischen Antrieb aufweisen. Auch für die Aufrechterhaltung der Synchrongeschwindigkeit während der vom Wickel losgelösten Phase kann ein Antrieb der Andruckwalze 15 sinnvoll sein.There are numerous of the described embodiment Modifications possible without the basic idea of the invention to leave. For example, the drive 32 also by one traveling with the reel bearing carriage 28 Engine to be replaced. The individual work steps can connect to each other fully automatically. Instead of the two bases 14 and 25, one can Common base with offset levels used will. The horizontal drives can be in the usual Manner, e.g. trained hydro or electric motor be. The pressure roller 15 can be used to compensate for Deflections and / or influencing the Contact pressure curve across the web width, e.g. at Cross profile errors, as deflection compensation roller be trained. It can be used to influence the web tension also a motor / generator drive exhibit. Also for maintaining the synchronous speed during the phase detached from the wrap a drive of the pressure roller 15 can be useful.

Claims (10)

  1. Device for winding a continuously incoming web, especially a paper web, on to a reeling drum, having a winding station (1) for winding on to a first reeling drum (4) (primary reel 6), a receiving station (31) for mounting an empty second reeling drum (30) on to which after severing the web (5) the following section of the web is wound (secondary reel 6''), a transfer device for transporting the second reeling drum from the receiving station (31) to the winding station (1) and a pressure roller in each case in the receiving station (31) and in the winding station (1), wherein from the start of winding onwards the pressure rollers in the receiving station (31) rest against the circumference of the secondary reel (6'') continuously up to the winding station (1) and remain there during winding and with the circumference of the secondary reel (6'') form an inlet gap (16) into which the web continuously enters in approximately wrap-free manner, characterised in that the winding station (1) and the receiving station (31) are arranged in fixed position, the transfer device has a rectilinear first guideway (27) for the secondary reel (6'') and that a pressure roller (15) is provided for both the primary reel (6) as well as for the secondary reel (6'') in that on a guideway (19) parallel to the first guideway (27) it is displaceable from the almost complete primary reel (6) in the winding station (1) to the secondary reel (6'') in the receiving station (31) and moves jointly with the secondary reel into the winding station (1).
  2. Device according to Claim 1, characterised in that the pressure roller (15) is displaceable in such a way that the planes formed in the individual operating positions between the axis of the second reeling drum (30) and the axis of the pressure roller (15) run parallel to one another.
  3. Device according to Claim 1 or 2, characterised in that a deflecting roller (11) is provided which gives the web (5) running towards the reel (6, 6'') a course parallel to both guideways.
  4. Device according to one of Claims 1 to 3, characterised in that the web (5) running towards the reel (6, 6'') has a vertical course and that during the change of reel the second reeling drum (30) carrying the secondary reel (6'') as well as the pressure roller (15) can first of all be lowered vertically from the receiving station (31) to the winding station (1) and can then be displaced horizontally, the axis of the pressure roller (15) being located in the same horizontal plane as the axis of the second reeling drum (30) and executing a horizontal movement which takes the enlargement of the reel diameter into account.
  5. Device according to one of Claims 1 to 4, characterised in that the transfer device has a vertically movable reeling drum bearing carriage (28), the pressure roller (15) is carried by a vertically movable roller bearing carriage (18) and both carriages can be coupled for the purpose of synchronised movement in the vertical direction.
  6. Device according to one of Claims 1 to 5, characterised in that the transfer device has a horizontally movable transfer carriage (26) for transferring the secondary reel (6'') into the winding station (1).
  7. Device according to one of Claims 1 to 6, characterised in that the pressure roller (15) can be loaded by a power transmitter (17) which is carried by a horizontally displaceable support carriage (18) and that the support carriage is kept constantly at a predetermined distance from the circumference of the reel (6, 6'') by means of a spacing control system.
  8. Device according to one of Claims 1 to 7, characterised by an auxiliary pressure roller (23) which is arranged outside the path of the pressure roller (15) and can be pressed against the primary reel (6) shortly before the web (5) is severed.
  9. Device according to one of Claims 1 to 8, characterised by a rapid power traverse for returning the pressure roller (15) from the winding station (1) into the receiving station (31).
  10. Device according to one of Claims 1 to 9, characterised in that a cutting device (20) for the web (5) is connected to a carriage (18) carrying the pressure roller (15).
EP95105608A 1994-05-02 1995-04-13 Device for winding up a continously fed web, especially for paper web Expired - Lifetime EP0680911B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4415324 1994-05-02
DE4415324A DE4415324C2 (en) 1994-05-02 1994-05-02 Device for winding up a continuously running web, in particular a paper web

Publications (2)

Publication Number Publication Date
EP0680911A1 EP0680911A1 (en) 1995-11-08
EP0680911B1 true EP0680911B1 (en) 1998-06-24

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US (1) US5577685A (en)
EP (1) EP0680911B1 (en)
JP (1) JP2611156B2 (en)
AT (1) ATE167652T1 (en)
CA (1) CA2146687A1 (en)
DE (2) DE4415324C2 (en)
FI (1) FI952036A (en)

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JP2611156B2 (en) 1997-05-21
CA2146687A1 (en) 1995-11-03
DE59502634D1 (en) 1998-07-30
DE4415324A1 (en) 1995-11-09
FI952036A0 (en) 1995-04-28
JPH0840613A (en) 1996-02-13
ATE167652T1 (en) 1998-07-15
DE4415324C2 (en) 1996-07-18
EP0680911A1 (en) 1995-11-08
FI952036A (en) 1995-11-03
US5577685A (en) 1996-11-26

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