EP0512196B1 - Winding machine for winding up webs of material - Google Patents

Winding machine for winding up webs of material Download PDF

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Publication number
EP0512196B1
EP0512196B1 EP92101587A EP92101587A EP0512196B1 EP 0512196 B1 EP0512196 B1 EP 0512196B1 EP 92101587 A EP92101587 A EP 92101587A EP 92101587 A EP92101587 A EP 92101587A EP 0512196 B1 EP0512196 B1 EP 0512196B1
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EP
European Patent Office
Prior art keywords
supporting
adhesive
winding
roller
adhesive tape
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
EP92101587A
Other languages
German (de)
French (fr)
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EP0512196A1 (en
Inventor
Ernst-Günther Urban
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.)
Jagenberg AG
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Jagenberg AG
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Publication date
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Publication of EP0512196A1 publication Critical patent/EP0512196A1/en
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    • 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
    • B65H19/29—Securing the trailing end of the wound web to the web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/41419—Starting winding process
    • B65H2301/41427—Starting winding process involving arrangements for securing leading edge to core, e.g. adhesive tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4144—Finishing winding process
    • B65H2301/41441—Finishing winding process and blocking outer layers against falling apart
    • B65H2301/41442—Specified by the sealing medium sealing used
    • B65H2301/414421—Glue or hot-melt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support roller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1343—Cutting indefinite length web after assembly with discrete article
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1348—Work traversing type

Abstract

In winding machines for winding up webs (1) of material, especially webs of paper or cardboard, onto winding tubes which have a supporting or carrying roller (6) which is at least partly wrapped around by the web (1), arrangement of a web cutting device and a device for applying an adhesive strip (34) which is adhesive on both sides in the region in which the supporting or carrying roller (6) is wrapped around, is known. The cutting device contains a cutting element which can be placed on the wrapped around supporting or carrying roller (6) and can be moved in a transverse direction. According to the invention, an adhesive tape dispenser for an adhesive tape (27) with a layer of adhesive on a backing tape (28) is arranged next to the supporting or carrying roller (6), which adhesive tape dispenser contains a supply roller (26) and a rewinding facility (29) for the empty backing tape (28). The adhesive tape (27) is guided transversely to the web (1) around a free-running pressing roller (30) which is mounted on a transversely movable slide (23) in such a way that the adhesive tape (27) can be pressed against the wrapped around supporting or carrying roller (6). The cutting element (wheel 36) is attached to the slide (23) behind the pressing roller (30) in the direction of application (35) of the adhesive strip. <IMAGE>

Description

Die Erfindung betrifft eine Wickelmaschine zum Aufwickeln von Materialbahnen, insbesondere Papier- oder Kartonbahnen, auf Wickelhülsen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a winding machine for winding material webs, in particular paper or cardboard webs, onto winding cores according to the preamble of claim 1.

Bei Wickelmaschinen zur Herstellung von Wickelrollen aus Papier- oder Kartonbahnen ist man bestrebt, die durch einen Rollenwechsel bedingten Maschinenstillstandszeiten möglichst gering zu halten. Bei einem Rollenwechsel müssen die durch Längsschneiden erzeugten Einzelbahnen zuverlässig quer durchgetrennt und die neugeschaffenen Bahnanfänge an den neu eingelegten Wickelhülsen festgeklebt werden.In winding machines for the production of winding rolls from paper or cardboard webs, efforts are made to keep the machine downtimes caused by a roll change as short as possible. When changing reels, the individual webs produced by slitting must be reliably cut transversely and the newly created web beginnings must be glued to the newly inserted winding cores.

Aus der DE-OS 36 11 895 ist eine gattungsgemäße Wickelmaschine bekannt, die eine teilweise umschlungene Stützwalze aufweist, wobei im Umschlingungsbereich eine Trenneinrichtung mit einem Trennschaber angeordnet ist, der auf einem Träger zur Stützwalze schwenkbar und mittels eines Antriebs parallel zur Stützwalzenachse verfahrbar ist. Zum Aufsprühen jeweils einer Leimspur auf dem ablaufenden Bahnende und dem auflaufenden Bahnanfang ist oberhalb und unterhalb des Trennschabers jeweils eine Reihe von Leimsprühdüsen angeordnet.From DE-OS 36 11 895 a generic winding machine is known which has a partially wrapped support roller, a separating device with a separating scraper being arranged in the wrapping area, which can be pivoted on a support to the support roller and can be moved parallel to the support roller axis by means of a drive. A row of glue spray nozzles is arranged above and below the separating scraper for spraying one track of glue at the end of the web and the beginning of the web.

Die Anordnung einer Reihe von Leimdüsen mit ihren Versorgungsleitungen ist sehr aufwendig. Zudem hat sich gezeigt, daß der aufgesprühte Leim eine gewisse Zeit zum Abbinden benötigt und der beim Aufsprühen entstehende Leimnebel benachbarte Maschinenteile störend verschmutzt.The arrangement of a number of glue nozzles with their supply lines is very complex. In addition, it has been shown that the sprayed-on glue takes a certain amount of time to set and the glue mist formed during spraying contaminates neighboring machine parts.

Der Erfindung liegt die Aufgabe zugrunde, für einen schnellen Rollenwechsel bei einer gattungsgemäßen Wickelmaschine konstruktiv vereinfacht ein verschmutzungsfreies Auftragen eines Klebemittelstreifens bei gleichzeitiger Durchtrennung der Bahn zu ermöglichen.The invention is based on the object of making it possible, in a structurally simplified manner, for a rapid reel change in a generic winding machine to apply a strip of adhesive without contamination while at the same time severing the web.

Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung:
Die vom Trennelement unabhängige zusätzliche Bewegbarkeit der Andrückrolle nach Anspruch 2 ermöglicht eine sichere Durchtrennung der Bahn bei schmaleren Bahnbreiten, ohne daß ein Klebestreifen auf den nicht von der Bahn abgedeckten Randbereich der Stütz- oder Tragwalze aufgebracht wird. Das Trennelement läßt sich so unabhängig von der Bahnbreite bereits am nicht umschlungenen Randbereich auf die Stütz- oder Tragwalze aufsetzen, die Andrückrolle wird in Abhängigkeit von der Bahnbreite erst später beim Erreichen des umschlungenen Bereichs gegen die Stütz- oder Tragwalze gedrückt und wieder abgehoben, wenn das seitliche Ende der Bahn erreicht ist.The subclaims contain preferred, since particularly advantageous, embodiments of the invention:
The independent movement of the pressure roller independent of the separating element according to claim 2 enables a safe severing of the web with narrower web widths without an adhesive strip being applied to the edge region of the support or support roller which is not covered by the web. The separating element can be placed on the support or idler roller regardless of the web width at the non-wrapped edge area, the pressure roller is only pressed against the support or idler roller later depending on the web width when reaching the wrapped area and lifted off again when that lateral end of the web is reached.

Die Patentansprüche 3 und 4 enthalten bevorzugte Ausgestaltungen der Erfindung, bei denen an dem Schlitten der komplette Klebebandspender mit Vorratsrolle und Trägerbandaufrollung befestigt ist.Claims 3 and 4 contain preferred embodiments of the invention, in which the complete adhesive tape dispenser with supply roll and carrier tape reel is attached to the slide.

Alternativ kann nach Anspruch 5 die Vorratsrolle an einer Seite, die Trägerbandaufrollung an der anderen Seite der Maschine ortsfest befestigt werden. Die Ablösung des Klebemittelstreifens von dem Trägerband erfolgt von dem quer über die Maschinenbreite gespannten Klebeband durch die querverfahrbare Andrückrolle.Alternatively, according to claim 5, the supply roll can be fixed in place on one side and the carrier tape reel on the other side of the machine. The detachment of the adhesive strip the carrier tape is carried out by the adhesive tape stretched across the machine width through the cross-movable pressure roller.

Das vorteilhafte Trennelement nach Anspruch 6 ist konstruktiv einfach und gewährleistet eine sichere Durchtrennung der Bahn, ohne daß große Trennkräfte aufgebracht werden müssen.The advantageous separating element according to claim 6 is structurally simple and ensures a safe severing of the web without large separating forces having to be applied.

Nach Anspruch 7 ist das Trennelement an dem Schlitten so angeordnet, daß die Trennlinie mittig durch den aufgetragenen Klebemittelstreifen verläuft. Durch die mittige Durchtrennung des Klebemittelstreifens enthält sowohl das Bahnende einen Klebemittelstreifen zum Ankleben an der vollen Rolle, als auch der neugeschaffene Bahnanfang einen Klebemittelstreifen zum Ankleben an der Wickelhülse.According to claim 7, the separating element is arranged on the carriage so that the dividing line runs centrally through the applied adhesive strip. Due to the central severing of the adhesive strip, both the end of the web contains an adhesive strip for sticking to the full roll, and the newly created beginning of the web contains an adhesive strip for sticking to the winding tube.

Die Zeichnung dient zur Erläuterung der Erfindung anhand eines vereinfacht dargestellten Ausführungsbeispiels.

Fig. 1
zeigt in Seitenansicht eine Wickelmaschine nach der Erfindung.
Fig. 2
zeigt eine vergrößerte Ansicht in Bahnlaufrichtung des Schlittens mit dem Klebebandspender und dem Trennelement.
The drawing serves to explain the invention with reference to an embodiment shown in simplified form.
Fig. 1
shows a side view of a winding machine according to the invention.
Fig. 2
shows an enlarged view in the direction of web travel of the carriage with the tape dispenser and the separating element.

Die von einer nicht dargestellten Vorratsrolle abgezogene Materialbahn 1, im vorliegenden Beispiel eine Papierbahn, wird von Leitrollen 2 bis 5 von oben an eine angetriebene Stützwalze 6 geführt. Zu beiden Seiten der Stützwalze 6 sind Wickelstationen 7, 8 angeordnet, die jeweils aus zwei parallel zur Stützwalzenachse verfahrbaren Wickelböcken 9, 10 bestehen. Jeder Wickelbock 9, 10 trägt an seiner Oberseite einen radial zur Stützwalze 6 verfahrbaren Schlitten 11, 12, an dem ein Führungskopf 13, 14 mit seinem Drehantrieb 15, 16 befestigt ist. Die Führungsköpfe 13, 14 sind zum Halten und Antreiben der Wickelrollen 17, 18 in deren Wickelhülsen einfahrbar.The material web 1 drawn off from a supply roll, not shown, in the present example a paper web, is guided by guide rolls 2 to 5 from above to a driven support roller 6. On both sides of the support roller 6 there are winding stations 7, 8, each consisting of two winding stands 9, 10 which can be moved parallel to the support roller axis. Each winding block 9, 10 carries on its upper side a slide 11, 12 which can be moved radially to the support roller 6 and on which a guide head 13, 14 is fastened with its rotary drive 15, 16. The guide heads 13, 14 are retractable for holding and driving the winding rollers 17, 18 in their winding tubes.

Oberhalb der Stützwalze 6 sind eine Breitstreckeinrichtung 19 und eine Längsschneideeinrichtung 20 angeordnet, die die Bahn 1 in Einzelbahnen aufteilt, die dann von der Leitwalze 5 in etwa tangential an die Stützwalze 6 gelenkt werden. An der Stützwalze 6 anliegend werden die Bahnen 1 dann wechselweise den Wickelstationen 7, 8 zugeführt, wobei die zur linken Wickelstation 7 geführten Bahnen 1 die Stützwalze 6 in einem Winkelbereich von ca. 90°, die zu den rechten Wickelstationen 8 geführten Bahnen 1 die Stützwalze 6 in einem Winkelbereich von ca. 270° umschlingen. Die Stützwalze 6 ist als Saugwalze ausgebildet, um die nach dem Durchtrennen der Bahnen 1 geschaffenen Bahnanfänge zu halten und zu den Wickelstationen 7, 8 zu fördern. Eine an der Scheitellinie der Stützwalze 6 andrückbar gelagerte freilaufende Rolle 21 dient zur Unterbrechung der Bahnzugspannung, um die Zugspannungen an den einzelnen Wickelstationen 7, 8 individuell einstellen zu können.A spreader device 19 and a slitter device 20 are arranged above the support roller 6, which the web 1 in Splits individual webs, which are then guided by the guide roller 5 approximately tangentially to the support roller 6. Adjacent to the support roller 6, the webs 1 are then alternately fed to the winding stations 7, 8, the webs 1 leading to the left winding station 7 supporting the support roller 6 in an angular range of approximately 90 °, and the webs 1 guided to the right winding station 8 the support roller 6 loop in an angular range of approx. 270 °. The support roller 6 is designed as a suction roller in order to hold the web beginnings created after severing the webs 1 and to convey them to the winding stations 7, 8. A free-running roller 21, which can be pressed against the apex line of the support roller 6, serves to interrupt the web tension in order to be able to individually adjust the tension at the individual winding stations 7, 8.

Im Bereich zwischen der Rolle 21 und der Berührungslinie der Wickelrollen 17, also dem Bereich der Stützwalze 6, der von allen Einzelbahnen 1 umschlungen ist, ist eine Einrichtung 22 zum Durchtrennen der Bahnen 1 und zum Aufbringen eines doppelseitig klebenden Klebemittelstreifens angeordnet. Die Einrichtung 22 besteht aus einem gegen die Stützwalze 6 schwenkbaren und über deren gesamte Breite verfahrbaren Schlitten 23, an dem ein Klebebandspender für ein Klebeband mit einer auf einem Trägerband haftenden Klebemittelschicht und ein Trennelement befestigt ist. Der Schlitten 23 ist an einem sich quer über die Maschinenbreite erstreckenden U-förmigen Träger 24 verfahrbar gelagert und kann mittels einer im Träger 24 angeordneten kolbenstangenlosen Kolben-Zylinder-Einheit von einer Seite der Maschine quer über die Arbeitsbreite zur anderen Maschinenseite hin- und zurückbewegt werden.In the area between the roll 21 and the line of contact of the winding rolls 17, that is to say the area of the support roller 6, which is wrapped in all the individual webs 1, a device 22 for cutting through the webs 1 and for applying a double-sided adhesive strip is arranged. The device 22 consists of a slide 23 which can be pivoted against the support roller 6 and can be moved over its entire width, to which an adhesive tape dispenser for an adhesive tape with an adhesive layer adhering to a carrier tape and a separating element is fastened. The carriage 23 is movably supported on a U-shaped carrier 24 which extends across the machine width and can be moved back and forth from one side of the machine across the working width to the other machine side by means of a rodless piston-cylinder unit arranged in the carrier 24 .

Die Einrichtung 22 zum Durchtrennen der Bahnen 1 und zum Auftragen eines Klebemittelstreifens ist in Fig. 2, die die Einrichtung während des Arbeitens zeigt, detaillierter dargestellt:
An der sich radial zur Stützwalze 6 und quer zur Bahnlaufrichtung erstreckenden Seitenplatte 25 des Schlittens 24 ist ein Klebebandspender befestigt, der eine Vorratsrolle 26 für ein Klebeband 27 mit einer auf einem Trägerband 28 haftenden Klebemittelschicht und eine Spule als Aufrollung 29 für das leere Trägerband 28 aufweist. Das Klebeband 27 ist um eine freilaufende Andrückrolle 30 geführt, die gemeinsam mit der Vorratsrolle 26 an der Platte 25 zur Stützwalze 6 hin bewegbar befestigt, und so gegen die Stützwalze 6 andrückbar ist. Dazu sind die Vorratsrolle 26 und die Andrückrolle 30 an einem Hebel 31 befestigt, der um die Drehachse 32 der Aufrollung 29 mittels einer Kolben-Zylinder-Einheit 33 schwenkbar ist. Die von dem Klebeband 27 umschlungene Andrückrolle 30 kann so zum Aufbringen eines Klebemittelstreifens 34 auf die Bahnen 1 sowohl gegen die Stützwalze 6 gedrückt werden, als auch in Ruheposition etwas von den Bahnen 1 bzw. der Stützwalze 6 abgehoben werden. In Auftragsrichtung des Klebemittelstreifens 34 (Pfeil 35) hinter der Andrückrolle 30 ist an der Platte 25 ein auf die Stützwalze 6 aufsetzbares Bahntrennelement befestigt. Als Trennelement dient ein aus Hartmetall oder gehärtetem Werkzeugstahl gefertigtes Rad 36 mit einer umfänglichen scharfen Schneidkante, das freidrehbar in einer gabelförmigen Verlängerung eines Zapfens 37 gelagert ist. Das andere Ende des Zapfens 37 ist in einer Schraubenfeder 38 festgekeilt. Die Feder 38 ist an einem kurzen Hebel 39 befestigt, der an der Platte 25 mittels einer Schraube 40 angelenkt ist. Der Anstellwinkel des Hebels 39 an die Stützwalze 6 zur Einstellung des Anpreßdrucks des Rades 36 läßt sich mit einem exzentrischen Anschlag 41 einstellen. Das die Bahn 1 durchschneidende Rad 36 ist so an der Platte 25 befestigt, daS die Trennlinie ungefähr mittig durch den aufgetragenen Klebemittelstreifen 34 verläuft.The device 22 for severing the webs 1 and for applying a strip of adhesive is shown in more detail in FIG. 2, which shows the device during operation:
On the side plate 25 of the carriage 24, which extends radially to the support roller 6 and transversely to the web running direction, is an adhesive tape dispenser attached, which has a supply roll 26 for an adhesive tape 27 with an adhesive layer adhering to a carrier tape 28 and a spool as a winder 29 for the empty carrier tape 28. The adhesive tape 27 is guided around a free-running pressure roller 30 which, together with the supply roller 26, is fastened movably on the plate 25 to the support roller 6 and can thus be pressed against the support roller 6. For this purpose, the supply roller 26 and the pressure roller 30 are fastened to a lever 31 which can be pivoted about the axis of rotation 32 of the reel 29 by means of a piston-cylinder unit 33. The pressure roller 30 wrapped in the adhesive tape 27 can thus be pressed against the support roller 6 in order to apply an adhesive strip 34 to the webs 1, and can also be lifted somewhat from the webs 1 or the support roller 6 in the rest position. In the direction of application of the adhesive strip 34 (arrow 35) behind the pressure roller 30, a web separating element which can be placed on the support roller 6 is fastened to the plate 25. A wheel 36 made of hard metal or hardened tool steel with a circumferential sharp cutting edge serves as a separating element, which is freely rotatably mounted in a fork-shaped extension of a pin 37. The other end of the pin 37 is wedged in a coil spring 38. The spring 38 is attached to a short lever 39 which is articulated on the plate 25 by means of a screw 40. The angle of attack of the lever 39 on the support roller 6 for adjusting the contact pressure of the wheel 36 can be adjusted with an eccentric stop 41. The wheel 36 cutting through the web 1 is attached to the plate 25 such that the dividing line runs approximately centrally through the applied adhesive strip 34.

Für einen Rollenwechsel wird die Wickelmaschine angehalten, d. h. die Stützwalze 6 steht still. In der Stützwalze 6 wird ein Unterdruck erzeugt, so daß die Bahnen 1 an der Stützwalze 6 gehalten werden. Anschließend wird der Schlitten 24 auf die Stützwalze 6 an einer Seite der Maschine aufgesetzt, so daß das Trennrad 36 mit dem für das Durchtrennen der Bahnen 1 erforderlichen Anpreßdruck anliegt. Der Schlitten 23 wird quer über die Stützwalze 6 bewegt, wobei die Andrückrolle 30 noch solange angehoben bleibt, bis der äußere Rand der Bahnen 1 erreicht ist. Dann wird die Andrückrolle 30 gegen die Bahnen 1 gedrückt, um einen Klebemittelstreifen 34 unter Druck aufzubringen. Der Klebemittelstreifen 34 löst sich dabei von dem Trägerband 28, das in der Aufrollung 29 aufgewickelt wird. Die Vorratsrolle 26 wird durch den entstehenden Zug des Klebebandes 27 abgewickelt, die Aufrollung 29 wird mittels einer Übersetzung und einem Friktionsausgleich von der sich drehenden Vorratsrolle 26 angetrieben. Unmittelbar nach dem Auftragen des Klebemittelstreifens 34 werden die Bahnen 1 von dem Rad 36 entlang der Mitte des Klebemittelstreifens 34 durchgetrennt. So befindet sich sowohl am Bahnende als auch an den neugeschaffenen Bahnanfang ein Klebemittelstreifen 34. Beim Erreichen des anderen Randes der Bahnen 1 wird die Andrückrolle 30 etwas angehoben, dabei reißt der Klebemittelstreifen 34 durch. Der Schlitten 23 wird weiterbewegt, bis das Rad 36 die Bahnen 1 vollständig durchgetrennt hat. Anschließend wird der Schlitten 23 von der Stützwalze 6 abgehoben und in seine Ausgangsposition an der anderen Maschinenseite zurückbewegt.The winding machine is stopped for a roll change, ie the support roller 6 is stationary. A negative pressure is generated in the support roller 6 so that the webs 1 are held on the support roller 6. Then the carriage 24 is placed on the support roller 6 on one side of the machine, so that the separating wheel 36 abuts with the contact pressure required for severing the webs 1. The carriage 23 is moved across the support roller 6, the pressure roller 30 remaining raised until the outer edge the lanes 1 is reached. Then the pressure roller 30 is pressed against the webs 1 in order to apply an adhesive strip 34 under pressure. The adhesive strip 34 detaches from the carrier tape 28 which is wound up in the reel 29. The supply roll 26 is unwound by the resultant pull of the adhesive tape 27, the reel 29 is driven by the rotating supply roll 26 by means of a translation and a friction compensation. Immediately after the application of the adhesive strip 34, the webs 1 are severed by the wheel 36 along the center of the adhesive strip 34. Thus, there is an adhesive strip 34 both at the end of the web and at the newly created beginning of the web. When the other edge of the webs 1 is reached, the pressure roller 30 is raised somewhat, the adhesive strip 34 tearing through. The carriage 23 is moved on until the wheel 36 has completely cut the webs 1. The carriage 23 is then lifted off the support roller 6 and moved back into its starting position on the other side of the machine.

Die Bahnenden werden anschließend durch Drehung der vollen Wickelrollen 17, 18 mit diesen verklebt. Nach Einlegen neuer Wickelhülsen werden die mittels Unterdruck an der Stützwalze 6 gehaltenen Bahnanfänge bis an die Berührungslinien der Wickelhülsen mit der Stützwalze 6 bewegt und an diesen festgeklebt.The web ends are then glued to the full winding rollers 17, 18 by rotating them. After inserting new winding tubes, the web starts held by means of negative pressure on the support roller 6 are moved to the lines of contact of the winding tubes with the support roller 6 and glued to them.

Alternativ zu der in Fig. 2 gezeigten Ausführungsform ist es auch möglich, die Vorratsrolle 26 und die Trägerbandaufrollung 29 jeweils an einer Maschinenseite ortsfest zu befestigen. Dann spannt sich das Klebeband 27 über die gesamte Arbeitsbreite der Maschine, und der Schlitten 23 trägt nur die Andrückrolle 30 und das Trennelement. Zum Aufbringen des Klebemittelstreifens 34 wird das Klebeband mittels der Andrückrolle 30 zunächst an einer Seite gegen die auf der Stützwalze 6 liegende Bahn 1 gedrückt. Anschließend wird der Schlitten 24 quer über die Arbeitsbreite zur anderen Maschinenseite bewegt, dabei löst sich der Klebemittelstreifen 34 von dem Trägerband 28 und haftet an der Bahn 1 an. Gleichzeitig trennt die Trenneinrichtung die Bahn 1 in der Mitte des Klebemittelstreifens 34 durch.As an alternative to the embodiment shown in FIG. 2, it is also possible for the supply roll 26 and the carrier tape reel 29 to be fixed in place on each machine side. Then the adhesive tape 27 spans the entire working width of the machine, and the carriage 23 carries only the pressure roller 30 and the separating element. To apply the adhesive strip 34, the adhesive tape is first pressed on one side against the web 1 lying on the support roller 6 by means of the pressure roller 30. Subsequently, the carriage 24 is moved across the working width to the other machine side, the adhesive strip 34 detaches from the carrier tape 28 and adheres to the web 1. At the same time, the separating device cuts the web 1 in the middle of the adhesive strip 34.

Claims (7)

  1. Winding machine for winding material strips (1), especially paper or cardboard strips, on winding cores
    - having a supporting or bearing cylinder (6) entwined at least partially by the strip (1),
    - having a strip cutting device and a device for applying a double-sided adhesive tab (34), which devices are disposed in the region of entwinement of the supporting or bearing cylinder (6), the cutting device containing a transversely transportable cutting element (36) which can be placed onto the entwined supporting or bearing cylinder (6),
    characterized in that next to the supporting or bearing cylinder (6) there is disposed an adhesive tape dispenser for an adhesive tape (27) having an adhesive coating adhering to a carrier tape (28), which adhesive tape dispenser contains a delivery roller (26) and a roll-up mechanism (29) for the empty carrier tape (28), the adhesive tape (27) being guided between the delivery roller (26) and the carrier tape roll-up mechanism (29), transversely to the strip (1), around a free-running thrust roller (30), which is mounted on a transversely transportable carriage (23) such that it can be thrust with the adhesive tape (27) against the entwined supporting or bearing cylinder (6), and in that the cutting element (36) is fastened to the carriage (23), in the direction of application (35) of the adhesive tab, behind the thrust roller (30).
  2. Winding machine according to Claim 1, characterized in that the thrust roller (30) is mounted movably on the carriage (23), independently of the cutting element (36), against the supporting or bearing cylinder (6).
  3. Winding machine according to Claim 1 or 2, characterized in that the delivery roller (26) and the carrier tape roll-up mechanism (29) are likewise fastened to the carriage (23).
  4. Winding machine according to Claim 3, characterized in that the delivery roller (26), jointly with the thrust roller (30), is fastened movably on the carriage (23) against the supporting or bearing cylinder (6).
  5. Winding machine according to Claim 1 or 2, characterized in that the delivery roller (26) and the carrier tape roll-up mechanism (29) are fastened respectively to one side of the machine in fixed position.
  6. Winding machine according to one of Claims 1 to 5, characterized by a freely rotatably mounted wheel (36) as the cutting element, which wheel exhibits a sharp edge on its circumference and can be thrust resiliently against the supporting or bearing cylinder (6).
  7. Winding machine according to one of Claims 1 to 6, characterized in that the cutting element (36) is disposed on the carriage (23) in such a way that the cutting line runs approximately centrally through the applied adhesive tab (34).
EP92101587A 1991-05-10 1992-01-31 Winding machine for winding up webs of material Expired - Lifetime EP0512196B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4115406 1991-05-10
DE4115406A DE4115406A1 (en) 1991-05-10 1991-05-10 WINDING MACHINE FOR WINDING MATERIALS

Publications (2)

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EP0512196A1 EP0512196A1 (en) 1992-11-11
EP0512196B1 true EP0512196B1 (en) 1994-12-28

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EP92101587A Expired - Lifetime EP0512196B1 (en) 1991-05-10 1992-01-31 Winding machine for winding up webs of material

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US (1) US5795432A (en)
EP (1) EP0512196B1 (en)
JP (1) JPH05132206A (en)
AT (1) ATE116262T1 (en)
CA (1) CA2068260C (en)
DE (2) DE4115406A1 (en)
ES (1) ES2069323T3 (en)
FI (1) FI106448B (en)

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US6808581B2 (en) 2001-06-15 2004-10-26 3M Innovative Properties Company Method and apparatus for automatically applying a flying splicing tape to a roll of sheet material
US6814123B2 (en) 2001-12-21 2004-11-09 3M Innovative Properties Company Method and apparatus for applying a splicing tape to a roll of sheet material
EP2388219A2 (en) 2010-05-19 2011-11-23 Voith Patent GmbH Method and device for applying RFID chips to a roll of material

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JP3888754B2 (en) * 1997-12-08 2007-03-07 日東電工株式会社 Automatic semiconductor wafer pasting equipment
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US6808581B2 (en) 2001-06-15 2004-10-26 3M Innovative Properties Company Method and apparatus for automatically applying a flying splicing tape to a roll of sheet material
US6814123B2 (en) 2001-12-21 2004-11-09 3M Innovative Properties Company Method and apparatus for applying a splicing tape to a roll of sheet material
EP2388219A2 (en) 2010-05-19 2011-11-23 Voith Patent GmbH Method and device for applying RFID chips to a roll of material
DE102010044154A1 (en) 2010-05-19 2011-11-24 Voith Patent Gmbh Method and device for equipping a web roll with RFID chips

Also Published As

Publication number Publication date
ES2069323T3 (en) 1995-05-01
CA2068260A1 (en) 1992-11-11
FI106448B (en) 2001-02-15
US5795432A (en) 1998-08-18
FI922109A0 (en) 1992-05-08
JPH05132206A (en) 1993-05-28
CA2068260C (en) 2004-03-30
ATE116262T1 (en) 1995-01-15
FI922109A (en) 1992-11-11
DE4115406A1 (en) 1992-11-12
DE59201055D1 (en) 1995-02-09
EP0512196A1 (en) 1992-11-11

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