EP1968874B1 - METHOD FOR supplying a new reel AND SPLICER FOR CARRYING OUT THIS METHOD - Google Patents

METHOD FOR supplying a new reel AND SPLICER FOR CARRYING OUT THIS METHOD Download PDF

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Publication number
EP1968874B1
EP1968874B1 EP07818014A EP07818014A EP1968874B1 EP 1968874 B1 EP1968874 B1 EP 1968874B1 EP 07818014 A EP07818014 A EP 07818014A EP 07818014 A EP07818014 A EP 07818014A EP 1968874 B1 EP1968874 B1 EP 1968874B1
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EP
European Patent Office
Prior art keywords
roll
flat
positioning
region
film
Prior art date
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EP07818014A
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German (de)
French (fr)
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EP1968874A2 (en
Inventor
Tuchwat Schagidow
Manfred Van Triel
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KHS GmbH
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KHS AG
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Publication date
Priority to DE102006037189A priority Critical patent/DE102006037189A1/en
Application filed by KHS AG filed Critical KHS AG
Priority to PCT/EP2007/006965 priority patent/WO2008017450A2/en
Publication of EP1968874A2 publication Critical patent/EP1968874A2/en
Application granted granted Critical
Publication of EP1968874B1 publication Critical patent/EP1968874B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857Support arrangement of web rolls
    • B65H19/1873Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12Feeding webs from rolls
    • B65B41/16Feeding webs from rolls by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/10Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00Registering, tensioning, smoothing or guiding webs
    • B65H23/04Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B65H23/1886Synchronising two or more webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/46Splicing
    • B65H2301/4601Splicing special splicing features or applications
    • B65H2301/46013Splicing special splicing features or applications and maintaining register of spliced webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimension; Position; Number; Identification; Occurence
    • B65H2511/50Occurence
    • B65H2511/51Presence
    • B65H2511/512Marks; Patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/81Packaging machines

Description

  • Die Erfindung bezieht sich auf ein Verfahren gemäß Oberbegriff Patentanspruch 1 sowie auf eine Versorgungseinheit zum Durchführen dieses Verfahrens gemäß Oberbegriff Patentanspruch 9.The invention relates to a method according to the preamble of claim 1 and to a supply unit for performing this method according to the preamble of claim 9.
  • Ein Verfahren der gattungsmäßigen Art ist bekannt ( DE 10 2004 032 528 B3 ). Bei diesem bekannten Verfahren erfolgt das lagegenaue Befestigen des Anfangs- oder Anschlussbereichs des Flachmaterials der für einen Rollenwechsel bereit gestellten Anschlussrolle unter Verwendung einer Klemmschiene, die außerhalb der Versorgungseinheit bzw. der dort für den Rollenwechsel vorgesehenen Verbindungsstation unter Verwendung einer Lehre an dem Anfang des Flachmaterials der Anschlussrolle befestigt wird.A method of the generic type is known ( DE 10 2004 032 528 B3 ). In this known method, the positionally accurate fastening of the starting or connecting portion of the flat material provided for a roll change connection roller using a clamping rail, the outside of the supply unit or provided there for the roll change connection station using a gauge at the beginning of the sheet of the Attachment roller is attached.
  • Dies bedeutet, dass die am Anfang des Flachmaterials der Anschlussrolle vorgesehene Klemmschiene zusammen mit dieser Anschlussrolle an die Verbindungsstation transportiert und dann dort an dem Positionierelement befestigt werden muss, was zumindest ein relativ aufwendiges Handling bedeutet und bei beengten Platzverhältnissen vielfach nicht durchführbar ist.This means that the provided at the beginning of the flat material of the connection roller clamping rail transported together with this connection roller to the connection station and then there must be attached to the positioning, which means at least a relatively complex handling and in confined spaces is often not feasible.
  • Aufgabe der vorliegenden Erfindung ist es, die Bereitstellung einer Anschlussrolle für den Rollenwechsel zu vereinfachten. Zur Lösung dieser Aufgabe ist ein Verfahren entsprechend dem Patentanspruch 1 ausgebildet. Eine Versorgungseinheit zur Durchführung dieses Verfahrens ist Gegenstand des Patentanspruches 9.The object of the present invention is to simplify the provision of a connection roller for the roll change. To solve this problem, a method according to claim 1 is formed. A supply unit for carrying out this method is the subject of claim 9.
  • Bei der Erfindung erfolgt die Verbindung zwischen dem Anfang der bereitzustellenden Rolle des Flachmaterials direkt an dem Positionierelement der Verbindungsstation durch Klemmen, d.h. dieses Positionierelement ist als Klemmelement oder Klemmwalze ausgebildet. Nach der Klemmbefestigung erfolgt dann durch Drehen, beispielsweise durch manuelles Drehen der Klemmwalze das lage- und/oder anschlussgenaue Ausrichten des Flachmaterials der Anschlussrolle, zur Erzielung eines übergangsrichtigen Anschließens des Flachmaterials beim Rollenwechsel.In the invention, the connection between the beginning of the roll of sheet material to be provided is made directly at the positioning of the connection station by clamping, ie this positioning is formed as a clamping element or pinch roller. After the clamp fastening is then carried out by turning, for example by manually rotating the pinch roller the position and / or connection accurate alignment of the sheet material of the connection roller, to achieve a transition-correct connection of the sheet material during roll change.
  • Weiterbildungen sind Gegenstand der Unteransprüche. Die Erfindung wird im Folgenden anhand der Figuren an einem Ausführungsbeispiel näher erläutert. Es zeigen:
  • Fig. 1
    in vereinfachter Darstellung und in Seitenansicht eine Versorgungseinheit zum Zuführen eines bahnförmigen Flachmaterials, beispielsweise eines Folienmaterials an eine Verpackungsmaschine oder dergleichen Verarbeitungsmaschine;
    Fig. 2
    in Seitenansicht eine Verbindungsstation der Versorgungseinheit zum Verbinden des Flachmaterials beim Wechseln einer aufgebrauchten Vorratsrolle des Flachmaterials gegen eine neue Vorratsrolle;
    Fig. 3
    in schematischer Darstellung die wesentlichen Elemente der Verbindungsstation der Fig. 2;
    Fig. 4
    in Einzeldarstellung einen der Dorne (Foliendorne) der Vorrichtung gemäß Figur 1.
    Further developments are the subject of the dependent claims. The invention will be explained in more detail below with reference to the figures of an embodiment. Show it:
    Fig. 1
    in a simplified representation and in side view, a supply unit for supplying a sheet-like sheet, for example a sheet material to a packaging machine or the like processing machine;
    Fig. 2
    in side view, a connection station of the supply unit for connecting the sheet material when changing a used-up supply roll of the sheet against a new supply roll;
    Fig. 3
    in a schematic representation of the essential elements of the connection station of Fig. 2 ;
    Fig. 4
    in a single representation of one of the mandrels (foil mandrels) of the device according to FIG. 1 ,
  • Die in den Figuren allgemein mit 1 bezeichnete Versorgungseinheit dient zum Zuführen eines Flachmaterials und bei der dargestellten Ausführungsform speziell zum Zuführen einer schweißbaren Kunststoff- bzw. Verpackungsfolie 2 an eine nicht dargestellte Verpackungsmaschine. Die Versorgungseinheit 1 besitzt hierfür an einem Maschinenrahmen 3 u.a. zwei mit ihrer Achse in horizontaler Richtung orientierte parallele Dorne 4 und 5, die jeweils zur Aufnahme einer Rolle 6 bzw. 7 (Folienrolle) der Kunststoff- bzw. Verpackungsfolie 2 dienen, von denen eine Rolle jeweils die bei laufender Verpackungsmaschine die in Verwendung befindliche Rolle ist, von der die Folie 2 in Richtung des Pfeils A abgezogen und der Verpackungsmaschine zugeführt wird, während die andere Rolle als Austausch oder Anschlussrolle für einen Rollenwechsel bereit steht.The supply unit, generally designated 1 in the figures, serves for supplying a flat material and, in the illustrated embodiment, specifically for feeding a weldable plastic or packaging film 2 to a packaging machine (not shown). The supply unit 1 has for this purpose on a machine frame 3 u.a. two with their axis in the horizontal direction oriented parallel mandrels 4 and 5, each for receiving a roll 6 or 7 (film roll) of the plastic or packaging film 2 are used, of which one role each in running packaging machine in use role is, from which the film 2 is withdrawn in the direction of arrow A and the packaging machine is supplied, while the other role is available as an exchange or connection roller for a roll change.
  • Die Figuren 2 und 3 zeigen - jeweils in einem Zustand der Versorgungseinheit 1 unmittelbar vor einem Rollenwechsel - nochmals die beiden Dorne 4 und 5, die auf diesen Dornen- angeordneten Rollen 6 und 7, von denen in dem dargestellten Zustand die Rolle 7 in Verwendung ist und die Rolle 6 für einen Rollenwechsel bereitsteht, sowie weitere mit ihren Achsen parallel zueinander und parallel zu den Dornen 4 und 5 angeordnete Umlenk- und Führungswalzen 8 - 10 für die Verpackungsfolie 2. Die Umlenk- und Führungswalzen 8-10 sind jeweils beidendig in einem Rahmen 11 einer ebenfalls am Maschinengestell 3 montierten Verbindungs- bzw. Schweißstation 12 drehbar gelagert.The Figures 2 and 3 show - in each case in a state of the supply unit 1 immediately before a roll change - again the two mandrels 4 and 5, on these thorns arranged rollers 6 and 7, of which in the illustrated state, the roller 7 is in use and the roller 6 for a roll change is ready, as well as more with their axes parallel to each other and parallel to the mandrels 4 and 5 arranged deflection and guide rollers 8 - 10 for the packaging film 2. The deflection and guide rollers 8-10 are both ends in a frame 11 also on Machine frame 3 mounted connection or welding station 12 rotatably mounted.
  • Die Umlenkwalze 8 ist dabei dem Dorn 4 und die Umlenkwalze 9 dem Dorn 5 zugeordnet. Die beiden Umlenkwalzen 10 bilden zusammen mit einer weiteren Walze 13 eine Einrichtung 14 insbesondere zur gesteuerten Änderung oder Aufhebung der Folienspannung während des Rollenwechsels. Hierfür ist diese Folie 2 über alle drei Rollen 10 und 13 geführt. Die Walze 13 beidendig an jeweils einem Schwenkarm 13.1 drehbar gelagert, auf den ein Stellglied, beispielsweise ein Pneumatikzylinder 13.2 für ein gesteuertes Schwenken des Schwenkarmes 13.1 und damit der Walze 13 einwirkt. Die Walze 13 wird in Verbindung mit der Folienklemmeinrichtung auch zur druckbildrichtigen Positionierung der Folie verwendet.The guide roller 8 is assigned to the mandrel 4 and the guide roller 9 the mandrel 5. The two guide rollers 10 together with another Roller 13 means 14 in particular for the controlled change or cancellation of the film tension during the roll change. For this purpose, this film 2 is guided over all three rollers 10 and 13. The roller 13 at both ends rotatably mounted on a respective pivot arm 13.1, on which an actuator, such as a pneumatic cylinder 13.2 for a controlled pivoting of the pivot arm 13.1 and thus the roller 13 acts. The roller 13 is used in conjunction with the film clamping device for printing image correct positioning of the film.
  • Weiterer Bestandteil der Schweißstation 12 ist eine beidendig im Rahmen 11 drehbar gelagerte Klemmwalze 15, die einen Klemmschlitz 16 bildet, und zwar bei der dargestellten Ausführungsform dadurch, dass die Klemmwalze 15 zumindest auf ihrer für die Funktion der Schweißstation 12 erforderlichen Teillänge zweiteilig aus den beiden beidseitig vom Klemmschlitz 16 angeordneten Teilen 15.1 und 15.2 ausgeführt ist, die zum Festklemmen jeweils eines Folienanfangs gegeneinander verspannbar sind. Das Drehen der Klemmwalze 15 und gegebenenfalls auch das Öffnen und Schließen des Klemmspalts 16 erfolgen bei der dargestellten Ausführungsform manuell mit einer Dreh- und Schaltkurbel 17, die an einem Ende der Klemmwalze 15 vorgesehen ist.Another component of the welding station 12 is a double-ended in frame 11 rotatably mounted pinch roller 15 which forms a clamping slot 16, in the illustrated embodiment in that the pinch roller 15 at least on their required for the function of the welding station 12 part length in two parts from the two sides The clamping slot 16 arranged parts 15.1 and 15.2 is executed, which are clamped for clamping each one of the beginning of the film against each other. The rotation of the pinch roller 15 and possibly also the opening and closing of the nip 16 carried out in the illustrated embodiment manually with a rotary and switching crank 17, which is provided at one end of the pinch roller 15.
  • Bestandteil der Schweißstation 12 sind weiterhin zwei beheizbare Schweißschienen 18, die mit ihrer Längserstreckung parallel zur Drehachse der Klemmwalze 15 liegen, um einen Winkel von etwas kleiner als 180° um diese Drehachse versetzt angeordnet sind sowie durch Betätigungselemente (z.B. Pneumatik-Zylinder) gesteuert auf die Klemmwalze 15 zu und von dieser Weg bewegbar sind.Component of the welding station 12 are further two heatable welding rails 18, which lie with their longitudinal extent parallel to the axis of rotation of the pinch roller 15, offset by an angle of slightly smaller than 180 ° about this axis of rotation and controlled by actuators (eg pneumatic cylinder) on the Pinch roller 15 are movable to and from this path.
  • Für einen Rollenwechsel beispielsweise zwischen der in den Figuren 2 und 3 in Verwendung befindlichen und nahezu verbrauchten Rolle 7 und der bereitstehenden neuen Rolle 6 ist letztere mit ihrem Folienanfang über die Umlenkwalze 8 geführt im Klemmspalt 16 der Klemmwalze 15 gehalten. Das Befestigen des Folienanfangs im Klemmschlitz 16 der Klemmwalze 15 erfolgt hierbei grundsätzlich so, dass der Folienanfang von oben her in den geöffneten Klemmspalt 16 eingesetzt, dieser dann zum Festklemmen der Folie 2 geschlossen wird. Anschließend wird die Klemmwalze 15 mit der Kurbel 17 manuell auf jeden Fall soweit gedreht, dass ein der Folie 2 der verwendeten Rolle 7 unmittelbar gegenüberliegender Umfangsbereich der Klemmwalze 15 zumindest einlagig mit der Folie 2 der für einen Rollenwechsel bereitgestellten Rolle 6 abgedeckt ist.For a role change, for example, between in the Figures 2 and 3 used in use and almost used roll 7 and the new roll 6 available is the latter with its film beginning on the guide roller 8 guided in the nip 16 of the pinch roller 15 is held. The fixing of the film beginning in the clamping slot 16 of the pinch roller 15 takes place in principle so that the beginning of the film used from above into the open nip 16, this is then closed to clamp the film 2. Subsequently, the pinch roller 15 is rotated by hand with the crank 17 in any case far enough that one of the film 2 of the roll used 7 immediately opposite peripheral region of the pinch roller 15 is covered at least one layer with the film 2 of the roll 6 provided for a roll change.
  • Das Verbinden des Folienanfangs mit der Klemmwalze 15 erfolgt dabei weiterhin so, dass beim Rollenwechsel ein seitengleicher Folienanschluss erfolgt. Hierfür wird bei der dargestellten Ausführungsform die Klemmwalze 15 nach dem Befestigen des Folienanfangs so gedreht, dass die Drehrichtung B an dem der verwendeten Folie benachbarten Umfangsbereich der Klemmwalze 15 der Bewegungsrichtung A der verwendeten Folie entgegengesetzt ist.The joining of the film beginning with the pinch roller 15 is carried out in such a way that when the roll is changed, a side-to-side film connection takes place. For this purpose, in the illustrated embodiment, the pinch roller 15 is rotated after attaching the beginning of the film so that the direction of rotation B is opposite to the film adjacent to the peripheral region of the pinch roller 15 of the direction of movement A of the film used.
  • Um ein übergangs- und/oder druckbildrichtiges Anschließen der Folien beim Rollenwechsel zu gewährleisten, ist eine Ausrichtschiene 19 vorgesehen, die mit ihrer Längserstreckung parallel zur Achse der Klemmwalze 15 orientiert ist und sich über die gesamte Folienbreite erstreckt. An dieser Ausrichtschiene 19 wird die für den Rollenwechsel bereitstehende Folie 2 der Rolle 6 mit an der Folie vorgesehenen Markierungen, beispielsweise Druckmarken 2.1, exakt ausgerichtet.In order to ensure a transition and / or printing image correct connection of the films when reel change, an alignment rail 19 is provided, which is oriented with its longitudinal extent parallel to the axis of the pinch roller 15 and extends over the entire film width. At this Ausrichtschiene 19 which is ready for the roll change film 2 of the roller 6 with provided on the film markers, such as print marks 2.1, aligned exactly.
  • Das Ausrichten der Folie an der Ausrichtschiene erfolgt in der Weise, dass die auf der Folie aufgebrachte Markierung (Druckmarke) an der Ausrichtschiene ausgerichtet wird. Dies erfolgt beispielsweise manuell durch den Bediener, wobei dieser die Folie nach dem Einführen in den Klemmspalt der Klemmwelle vor- oder zurückbewegt.The alignment of the film on the alignment rail takes place in such a way that the marking applied on the film (print mark) is aligned with the alignment rail. This is done, for example, manually by the operator, who moves the film forward or back after insertion into the nip of the clamping shaft.
  • Nach dem Einspannen des Folienanfangs im Klemmspalt 16 erfolgt die lage- und anschlussrichtige Ausrichtung für den Anschweißvorgang durch eine 360° Drehung der Klemmwelle gegen die Laufrichtung der in Verwendung befindlichen Folienrolle.After clamping the film beginning in the nip 16, the position and connection correct orientation for the welding takes place by a 360 ° rotation of the clamping shaft against the direction of the film roll in use.
  • Die Klemmwalze 15 wird anschließend in geeigneter Weise gegen Verdrehen gesichert.The pinch roller 15 is then secured in a suitable manner against rotation.
  • Um diese Ausrichtschiene sowohl beim Bereitstellen einer Rolle auf dem Dorn 4, als auch beim Bereitstellen einer Rolle auf dem Dorn 5 verwenden zu können und insbesondere auch die Zugänglichkeit der Klemmwalze 15 zu verbessern, ist die Ausrichtschiene 19 schwenkbar vorgesehen.In order to use this alignment rail both when providing a roll on the mandrel 4, as well as when providing a roll on the mandrel 5 and in particular to improve the accessibility of the pinch roller 15, the alignment rail 19 is pivotally provided.
  • Nach dem Ausrichten und/oder Festklemmen der Folie kann es zur Erzielung einer ausreichenden Folienspannung zwischen Rolle 6 und Klemmwalze 15 notwendig sein, die bereitstehende Rolle 6 etwas in Richtung einer erhöhten Folienspannung zu drehen.After aligning and / or clamping the film, it may be necessary to achieve a sufficient film tension between the roller 6 and pinch roller 15 to rotate the standing roller 6 slightly in the direction of increased film tension.
  • Durch einen in der Figur 2 schematisch mit 20 angedeuteten Sensor werden die, an der von der Rolle 7 abgezogenen Folie 2 befindlichen Druckmarken 2.1 ständig überwacht. Alternativ kann durch geeignete Sensoren auch der Durchmesser der Rollen 6, 7 überwacht werden.By one in the FIG. 2 schematically indicated with 20 sensor, which are located at the withdrawn from the roll 7 film 2 print marks 2.1 constantly monitored. Alternatively, by suitable sensors and the diameter of the rollers 6, 7 are monitored.
  • Erkennt ein mit dem Sensor 20 verbundener Steuerrechner 21 der Verpackungsmaschine den unmittelbar bevorstehenden Verbrauch der in Verwendung befindlichen Rolle 6, 7, so wird durch den Steuerrechner 21 der Rollenwechsel eingeleitet.If a control computer 21 of the packaging machine connected to the sensor 20 recognizes the imminent consumption of the roll 6, 7 in use, the roll change is initiated by the control computer 21.
  • Hierbei wird zunächst die Verarbeitungsgeschwindigkeit der Verpackungsmaschine gestoppt und somit die Abzugsgeschwindigkeit der Folie 2 von der Rolle 7 verlangsamt.In this case, first the processing speed of the packaging machine is stopped, and thus the take-off speed of the film 2 from the roll 7 is slowed down.
  • Beispielsweise durch den Sensor 20 oder durch einen weiteren Sensor 22, der an der Folie 2 vorhandene Markierungen, beispielsweise die Druckmarken 2.1 abtastet, wird schließlich auch das verlangsamte Abziehen der Folie 2 gestoppt.For example, by the sensor 20 or by another sensor 22, which scans on the film 2 existing markers, such as the print marks 2.1, finally, the slower removal of the film 2 is stopped.
  • Durch die vorzugsweise automatische Betätigung des Stellgliedes 14.2 wird nun die Folie zwischen verbrauchter Rolle 6,7 und Verpackungsmaschine durch die Klemmschiene 14.1 geklemmt. Durch vorzugsweise automatische Betätigung des Stellgliedes 13.2 und dem damit verbundenen Schwenken des Schwenkarmes und der an diesem angeordneten Umlenkrolle 13 wird nun soviel Folie von der Rolle 7 abgezogen bis die Markierung (Druckmarke) der Folie von einem weiteren Sensor 20 erfasst wird. Dies ist die Position, in welcher an der zugehörigen Schweißschiene ein übergangs- und/oder druckbildrichtiges Anschließen der Folie 2 der bereiststehenden Folienrolle 6 an die bis dahin verwendete Folienrolle 2 gewährleistet ist.As a result of the preferably automatic actuation of the actuator 14.2, the film between the used roller 6,7 and the packaging machine is now clamped by the clamping rail 14.1. By preferably automatic actuation of the actuator 13.2 and the associated pivoting of the pivot arm and arranged on this pulley 13 is now removed as much film from the roller 7 until the mark (print mark) of the film is detected by another sensor 20. This is the position in which a transition and / or printing image correct connection of the film 2 of the reeled film roll 6 is guaranteed to the film roll 2 used until then on the associated welding rail.
  • Anschließend erfolgt dann gesteuert durch den Steuerrechner 21 das Bewegen der Schweiß- und Trennschiene 18 aus der Ausgangsposition in die Schweißposition, in der durch einen Trennschweißvorgang das Verbinden der Folie 2 der Folienrolle 6 mit der an die Verpackungsmaschine führenden Folienbahn sowie zugleich auch ein Trennen der durch diesen Schweißvorgang erzeugten Verbindung von dem Folienrest der verbrauchten oder nahezu verbrauchten Folienrolle 7 erfolgen.Then, controlled by the control computer 21, the moving of the welding and separating rail 18 from the starting position to the welding position, in which by a Trennschweißvorgang connecting the film 2 of the film roll 6 with the film web leading to the packaging machine and at the same time also a separation of This connection produced by the welding process of the film residue of the used or almost used film roll 7 done.
  • Um eine fehlerfreie, insbesondere auch belastungsfreie Schweißnaht beim Rollenwechsel zu erreichen, wird durch gesteuertes Schwenken der Walze 13 mit den Pneumatikzylinder 13.2 die zunächst permanente Vorspannung der Folie 2 zumindest im Bereich der zu erstellenden Schweißnaht reduziert oder aufgehoben.In order to achieve an error-free, in particular stress-free weld during roll change, the initially permanent bias of the film 2 is reduced or eliminated at least in the region of the weld to be created by controlled pivoting of the roller 13 with the pneumatic cylinder 13.2.
  • Nach dem Trennschweißvorgang wird durch gesteuertes Betätigen des Stellgliedes 13.2 und Schwenken des Schwenkarms samt Umlenkrolle 13 der durch das Umwickeln der Klemmwelle entstandene Folienüberschuss zwischen der Klemmeinrichtung 14 und der Folienrolle 6 gespannt und danach die Klemmeinrichtung 14 geöffnet. Diese Vorgehensweise verhindert eine ruckartige Belastung der frischen Schweißnaht nach dem Wideranlaufen der Maschine.After the Trennschweißvorgang 13,2 and pivoting of the pivot arm together with guide roller 13 of the resulting from the wrapping of the clamping shaft film excess between the clamping device 14 and the film roll 6 is tensioned by controlled actuation of the actuator and then the Clamping device 14 is opened. This procedure prevents a sudden load on the fresh weld after the machine has started up again.
  • Beendigung des Trennschweißens, d.h. nach erfolgtem Rollenwechsel läuft die Verpackungsmaschine gesteuert durch den Steuerrechner 21 wieder an, wobei die Folie 2 nunmehr von der Rolle 6 abgezogen wird. Die Rolle 7 wird manuell aus der Versorgungseinheit entnommen. Ebenso auch der an der Klemmwalze 15 vorhandene Folienrest durch Öffnen des Klemmspaltes 16. Für den erneuten Rollenwechsel wird eine neue Rolle 7 auf den Dorn 5 aufgesetzt und der Anfang dieser Rolle durch Festklemmen im Klemmschlitz 16 an der Klemmwalze 15 lage- und anschlußgenau befestigt und die Klemmwalze mit Hilfe der Kurbel 17 so gedreht, dass die zunächst von oben her in den Klemmschlitz 16 eingesetzte Folie 2 die Klemmwalze wiederum auf einem Großteil des Walzenumfanges umschließt, zumindest aber der der Folie 2 der verwendeten Rolle 6 zugewandte Umfangsbereich der Klemmwalze wenigstens einlagig von der Folie 2 umgeben ist und außerdem die bereitstehende Folie 2 für das übergangs- und/oder druckbildrichtiges Anschließen exakt ausgerichtet ist. Durch das Drehen der Klemmwalze 15, gegebenenfalls in Verbindung mit einem Zurückdrehen der auf dem Dorn 5 vorgesehenen Rolle 7 wird wiederum die erforderliche Folienspannung zwischen dieser Rolle und der Klemmwalze 15 eingestellt.Termination of the separation welding, i. after the roll change has taken place, the packaging machine, controlled by the control computer 21, starts again, the film 2 now being pulled off the roll 6. The roller 7 is removed manually from the supply unit. Likewise, the existing on the pinch roller 15 film residue by opening the nip 16. For the new roll change a new roll 7 is placed on the mandrel 5 and the beginning of this role by clamping in the clamping slot 16 on the pinch roller 15 position and connection accurately attached and the Pinch roller rotated by means of the crank 17 so that the first inserted from above into the clamping slot 16 film 2, the pinch roller in turn encloses a large part of the roll circumference, but at least the film 2 of the roll 6 used facing peripheral region of the pinch roller at least one layer of the Foil 2 is surrounded and also the film 2 ready for the transition and / or printing image correct connection is exactly aligned. By turning the pinch roller 15, optionally in conjunction with a turning back of the roller 7 provided on the mandrel 5, in turn, the required film tension between this roller and the pinch roller 15 is set.
  • Beim Verbrauch der auf dem Dorn 4 befindlichen Rolle 6 erfolgt dann in analoger Weise erneut ein Rollenwechsel.When consumption of the mandrel 4 located on the roller 6 is then carried out in a similar manner again a roll change.
  • Für den Rollenwechsel ist weiterhin auch erforderlich, dass die Rollen 6 und 7 bereits auf den Dornen 4 und 5 exakt ausgerichtet sind. Diese Ausrichtung erfolgt dann so, dass die Mittellinien der von den Rollen 7 bzw. 6 abgezogenen Folien in einer gemeinsamen Ebene senkrecht zu den Achsen der Dorne 4 bzw. 5 und dabei bevorzugt auch in der Mittellinie der Produktgruppe liegen.For the roll change is also required that the rollers 6 and 7 are already aligned exactly on the spines 4 and 5. This alignment then takes place so that the center lines of the films withdrawn from the rollers 7 and 6 lie in a common plane perpendicular to the axes of the mandrels 4 and 5 and preferably also in the center line of the product group.
  • Die Figur 4 zeigt nochmals einen der beiden Dorne 4 bzw. 5 im Detail, zusammen mit einer Rolle 6 bzw. 7. Auf jedem Dorn ist ein Rollenanschlag 23 axial einstellbar vorgesehen. Die Einstellung dieses Anschlags erfolgt beispielsweise unter Verwendung eines an dem Dorn 4 bzw. 5 ebenfalls vorgesehenen Maßbandes 24 oder anderer Hilfsmittel, beispielsweise Sensoren usw.The FIG. 4 again shows one of the two mandrels 4 and 5 in detail, together with a roller 6 and 7. On each mandrel, a roller stopper 23 is provided axially adjustable. The setting of this stop is done for example by using a mandrel 4 or 5 also provided tape measure 24 or other aids, such as sensors, etc.
  • Die Erfindung wurde voranstehend an einem Ausführungsbeispiel beschrieben. Es versteht sich, dass zahlreiche Änderungen sowie Abwandlungen möglich sind, ohne dass dadurch der der Erfindung zugrunde liegende Erfindungsgedanke verlassen wird.The invention has been described above by means of an embodiment. It is understood that numerous changes and modifications are possible without thereby departing from the inventive concept underlying the invention.
  • BezugszeichenlisteLIST OF REFERENCE NUMBERS
  • 11
    Versorgungsteilsupply part
    22
    Flachmaterial oder FolieFlat material or foil
    2.12.1
    Druckmarkeprint mark
    33
    Maschinenrahmenmachine frame
    4, 54, 5
    Dornmandrel
    6, 76, 7
    Rolle bzw. FolienrolleRoll or film roll
    8-108-10
    Umlenkwalzedeflecting
    1111
    Rahmenframe
    1212
    Schweiß- oder BindungsstationWelding or bonding station
    1313
    Walzeroller
    13.113.1
    Schwenkarmswivel arm
    13.213.2
    Betätigungseinrichtung bzw. Zylinder für Schwenkarm 13.1Actuating device or cylinder for swivel arm 13.1
    1414
    FolienklemmeinrichtungSheet clamping device
    14.114.1
    Klemmbalkenclamping bar
    14.214.2
    Betätigungseinrichtung für KlemmbalkenActuation device for clamping bar
    1515
    Klemmwalzepinch roller
    15.1, 15.215.1, 15.2
    Teil der Klemmwalze 15Part of the pinch roller 15
    1616
    Klemmspaltnip
    1717
    Kurbelcrank
    1818
    Schweiß- und TrennschieneWelding and separating rail
    1919
    Ausrichtschienealignment rail
    2020
    Sensorsensor
    2121
    Rechnercomputer
    2222
    Sensorsensor
    2323
    Rollenanschlagroller stop
    2424
    Maßbandtape measure
    AA
    Bewegungsrichtung der der Verpackungsmaschine zugeführten Folie 2Direction of movement of the packaging machine supplied film. 2
    BB
    Drehrichtung der KlemmwalzeDirection of rotation of the pinch roller

Claims (10)

  1. Method for preparing a connecting roll (7, 6) in a continuous roll change in a supply unit (1), which is used for supplying a web-shaped flat material (2) to a packaging machine or similar processing machine from rolls (6, 7) that in each case form a flat material feed (6, 7), wherein for the roll change, where the flat material (2) of the roll (6, 7) in use is connected in a connecting or connection station (12) to a start or connecting region of the connecting roll (7, 6) standing-by, said connecting region is precisely positioned in the connecting station for attachment to a positioning element (15) in the correct merging direction of the web, the precise positioning of the respective connecting region of the flat material (2) of the connecting roll (7, 6) being effected in the connecting or connection station (12),
    characterized
    in that for this purpose the flat material (2) of the connecting roll is first of all secured to the positioning element (15) by means of clamping and the connecting region is then aligned by rotating the positioning element (15) and winding the flat material (2) of the connecting roll onto the positioning element (15) by using markings (2.1) that are provided on the flat material (2) of the connecting roll as well as at least one aligning element (19) at the connecting station (12).
  2. Method according to Claim 1, characterized in that the positioning element is realized as a pinch roller (15).
  3. Method according to Claim 2, characterized in that the positioning element is realized as a pinch roller (15) with a clamping gap (16).
  4. Method according to one of the preceding claims, characterized in that the connecting region of the flat material (2) of the connecting roll (7, 6) covers the positioning element (15) over at least one circumferential region which lies adjacent the flat material (2) of the roll (6, 7) in use.
  5. Method according to Claim 4, characterized in that once the connecting region has been connected to the positioning element (15), said positioning element is rotated about its axis in such a manner that, by way of at least one layer, the flat material (2) covers a circumferential region of the positioning element (15) adjacent the flat material (2) of the roll (6, 7) in use.
  6. Method according to one of the preceding claims, characterized in that the positionally accurate aligning of the flat material (2) of the connecting roll (7, 6) is effected by using an aligning rail (19) that is provided at the connecting station (12).
  7. Method according to one of the preceding claims, characterized in that the connection between the flat material (2) in use and the flat material (2) of the connecting roll (7, 6) is realized so as to overlap.
  8. Method according to one of the preceding claims, characterized in that when a flat material in the form of a weldable foil (2) is used, the connection during the roll change is effected by welding, preferably by separation welding.
  9. Supply unit for supplying a web-shaped flat material to a packaging machine or similar processing machine, said supply unit having at least two roll accommodating means (4, 5) for accommodating in each case one flat material feed in the form of a roll (6, 7), from which at least one roll (6, 7) forms the roll in use from which the flat material (2) is removed during the operation of the packaging machine or the similar processing machine, and at least one additional roll forms a connecting roll (7, 6) standing-by for a continuous roll change and having a connecting station (12) through which the flat material (2) of the roll (6) in use is passed and at which, at a connecting position (18), a connecting region of the flat material of the connecting roll is located in a precisely positioned manner on a holding and positioning element (15) for connection in the correct merging direction of the web,
    characterized in that
    the holding and positioning element is a pinch roller (15) that is manually rotatable about its axis suitable for clamping and winding on the flat material of the connecting roll (7, 6), and in that at the connecting station (12) aligning means (19) for aligning the flat material of the connecting roll are provided at markings (2.1) present on said flat material for locating the connecting region of the connecting roll (7, 6) in the correct merging direction of the web.
  10. Supply unit according to Claim 9, characterized in that the aligning means are formed by at least one, preferably pivotable aligning rail (19).
EP07818014A 2006-08-09 2007-08-07 METHOD FOR supplying a new reel AND SPLICER FOR CARRYING OUT THIS METHOD Active EP1968874B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102006037189A DE102006037189A1 (en) 2006-08-09 2006-08-09 A method of performing a roll change in a supply unit for feeding a sheet-like sheet to a packaging machine or the like processing machine and supply unit for performing this method
PCT/EP2007/006965 WO2008017450A2 (en) 2006-08-09 2007-08-07 Method for carrying out a reel change and splicer for carrying out this method

Publications (2)

Publication Number Publication Date
EP1968874A2 EP1968874A2 (en) 2008-09-17
EP1968874B1 true EP1968874B1 (en) 2010-02-24

Family

ID=38871546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07818014A Active EP1968874B1 (en) 2006-08-09 2007-08-07 METHOD FOR supplying a new reel AND SPLICER FOR CARRYING OUT THIS METHOD

Country Status (9)

Country Link
US (1) US20100024364A1 (en)
EP (1) EP1968874B1 (en)
JP (1) JP2010500258A (en)
CN (1) CN101484375A (en)
AT (1) AT458685T (en)
BR (1) BRPI0714282A2 (en)
DE (2) DE102006037189A1 (en)
MX (1) MX2009001299A (en)
WO (1) WO2008017450A2 (en)

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EP2258643B1 (en) * 2009-06-01 2015-01-14 Tetra Laval Holdings & Finance S.A. Method for feeding a supply station of a packaging unit with a new reel of sheet packaging material, sheet packaging material holder and lift truck
DE102010021732A1 (en) 2010-05-27 2011-12-01 Krones Ag Splicing device and method for splicing a web-like sheet
DE102011084935A1 (en) * 2011-10-21 2013-04-25 Koenig & Bauer Aktiengesellschaft Method for drawing at least one material web into a processing device
CN102490195B (en) * 2011-12-05 2014-08-06 常德金鹏印务有限公司 Rotary high-speed roll die cutting machine and using method thereof
DE102013110944A1 (en) * 2013-10-02 2015-04-02 Krones Aktiengesellschaft Method and device for changing carrier units with flat packaging material wound on supply rolls within a packaging machine
JP6408783B2 (en) * 2014-04-14 2018-10-17 高周波熱錬株式会社 Apparatus and method for heating annular workpiece, and heating coil
EP3143666B1 (en) * 2014-05-13 2018-12-19 Centre National de la Recherche Scientifique (CNRS) A microwave oven
CN104803041B (en) * 2015-03-11 2016-11-30 重庆市巴南区前进机械厂 A kind of food package using electromagnetic actuator device and using method thereof
WO2020055524A1 (en) * 2018-09-10 2020-03-19 Ball Corporation Method and apparatus for controlling an operation performed on a continuous sheet of material
US10421111B2 (en) * 2015-04-17 2019-09-24 Ball Corporation Method and apparatus for controlling an operation performed on a continuous sheet of material
CN105460661B (en) * 2015-11-30 2017-05-31 陕西北人印刷机械有限责任公司 A kind of new old material docking facilities of printing machine and its docking calculation
DE102016200581A1 (en) * 2016-01-19 2017-07-20 Krones Aktiengesellschaft Method and device for conveying, providing and exchanging rolls of packaging material in a packaging machine
ITUA20162968A1 (en) * 2016-04-28 2017-10-28 Mbp Srl VERTICAL PACKAGING MACHINE WITH FACILITATED FILM SYSTEM
CN109534052B (en) * 2018-12-25 2020-10-23 广州市万世德智能装备科技有限公司 Automatic film connecting device

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Also Published As

Publication number Publication date
DE102006037189A1 (en) 2008-02-14
US20100024364A1 (en) 2010-02-04
EP1968874A2 (en) 2008-09-17
MX2009001299A (en) 2009-02-16
JP2010500258A (en) 2010-01-07
BRPI0714282A2 (en) 2013-04-24
DE502007002916D1 (en) 2010-04-08
WO2008017450A3 (en) 2008-03-27
WO2008017450A2 (en) 2008-02-14
AT458685T (en) 2010-03-15
CN101484375A (en) 2009-07-15

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