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EP1335872A1 - Device for linking two webs of material - Google Patents

Device for linking two webs of material

Info

Publication number
EP1335872A1
EP1335872A1 EP01997176A EP01997176A EP1335872A1 EP 1335872 A1 EP1335872 A1 EP 1335872A1 EP 01997176 A EP01997176 A EP 01997176A EP 01997176 A EP01997176 A EP 01997176A EP 1335872 A1 EP1335872 A1 EP 1335872A1
Authority
EP
European Patent Office
Prior art keywords
material web
web
cutting device
cutting
running
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01997176A
Other languages
German (de)
French (fr)
Other versions
EP1335872B1 (en
Inventor
Hartwig Horst Trutschel
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1335872A1 publication Critical patent/EP1335872A1/en
Application granted granted Critical
Publication of EP1335872B1 publication Critical patent/EP1335872B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1815—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll the replacement web being stationary prior to splicing contact
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web

Definitions

  • the invention relates to a device for connecting two material webs according to the preamble of claim 1.
  • a device for flying roll change in which a new paper web can be glued to the running paper web of a printing machine running at production speed. After the new paper web has been glued on, the running paper web is cut by means of a cutting device to form two web ends, one end of the web being conveyed together with the new paper web by the printing press and the second end of the web together with the used paper roll being able to be removed from the roll changer.
  • both paper rolls rotate with the same direction of rotation, the running paper web being guided past the new paper roll in such a way that the beginning of the new paper web comes into contact with the running paper web as tangentially as possible when it is glued to the running paper web.
  • a device for flying roll change in which a cutting device and an adhesive roller are provided in a frame.
  • the frame can be approached from one side to the running paper web, so that when the connecting device is triggered, an adhesive roller together with the running paper web is pressed against the gluing point of the new paper web. The running paper web is then cut by the cutting knife.
  • a disadvantage of the known devices for connecting two paper webs in the case of a flying reel change is that, due to the arrangement of the cutting device in the conveying direction of the running material web in front of the connecting device, for example an adhesive roller or brush, a so-called “flag” is mandatory.
  • the length of this flag that is to say the distance between the connection point between the new and the old material web and the severed web end of the old material web, is essentially determined by the distance between the connecting device and the cutting device.
  • the flag is used to convey the material web through a processing machine, for example a
  • a device is proposed in WO 99/40004 A1 in which the flag, by means of appropriate web guidance after the old web of material has been severed due to de r centrifugal forces acting on the flag are pressed outwards and then separated by a knife bar. This allows the length of the flag to be reduced to almost zero, although a considerable additional design effort is required for a suitable web guide and the downstream male connector.
  • the invention has for its object to provide a device for connecting two webs of material.
  • the advantages which can be achieved with the invention consist in particular in that, by arranging the cutting device in the conveying direction of the running material web behind the connecting device, the flag when severing the running material web can in principle be cut as short as desired.
  • the result is always a Y-shaped structure, one branch of which, namely the old material web starting from the old material roll to the glue point, can be essentially completely separated by the cutting device arranged behind the connecting device ,
  • the cutting device behind the connecting device there is no mandatory minimum flag length, but in principle the length of the flag can be shortened as desired.
  • the length of the flag is too short, there is a potential risk that the new material web may be accidentally damaged by the cutting element.
  • the cutting device is arranged behind the connecting device, there is a potential risk that the new material web is also unintentionally injured when the old material web is cut.
  • the cutting device is brought into engagement with the material web to be separated by adjusting a web guiding device with which the web guidance of the material web to be separated can be changed.
  • a web guiding device with which the web guidance of the material web to be separated can be changed.
  • the new material web and the material web to be separated are guided along different paths in the area behind the adhesive point, so that only the old material web is reliably severed.
  • the web guiding device it can be achieved that the new material web and the material web to be separated enclose a certain angle with one another.
  • the cutting device must be arranged in order to separate the old material web in such a way that the old material web, after the adhesive point has passed the cutting device, can be cut due to its path course by contact with the cutting device's cutting edge.
  • An advantage of this embodiment is in particular that the cutting device does not have to be adjusted to cut through the old material web, but can be arranged in a fixed manner.
  • the change in the web guidance of the old material web required for severing the old material web can be achieved particularly simply by adjusting the connecting device, for example an adhesive roller or brush, after it has pressed the running material web onto the new material web in such a way that the old material web comes into engagement with the cutting device.
  • the cutting device by suitable adjustment of a web guiding device with which the web guidance of the new material web can be changed and simultaneous adjustment of the cutting device with the one to be separated Material web comes into engagement.
  • a spacing element can be provided on the cutting device, by means of which a certain minimum distance between the cutting edge of the cutting device and the new material web is ensured.
  • FIG. 1 shows a device for connecting two material webs in the basic position in a schematically illustrated side view
  • FIG. 2 shows the device according to FIG. 1 after the running material web approaches the new material roll
  • FIG. 3 shows the device according to FIG. 1 while pressing the running material web against the new material roll
  • FIG. 4 shows the device according to FIG. 1 when severing the old material web.
  • FIG. 1 shows a device 01 with a connecting device 02 designed in the manner of an adhesive roller, in particular a web guiding device, and a cutting device 03 designed in the manner of a knock-off knife.
  • the connecting device 02 and the cutting device 03 are both fastened to a frame 04 formed from two side parts arranged parallel to one another.
  • two pivot arms 07 are provided which are pivotably mounted about an axis of rotation 06.
  • the connecting device 02 can be pivoted about the axis of rotation 06.
  • the connecting device 02 designed in the manner of an adhesive roller is rotatably mounted on the lower ends of the swivel arms 07.
  • the cutting device 03 is fixed to the frame 04.
  • the frame 04 is in turn pivoted and can be pivoted about a rotation axis 08, which corresponds to the rotation axis of a guide roller 09, by means of a drive device, not shown.
  • a running material web 11 in particular a paper web, is run from a material roll 15, which is mounted in a reel changer (not shown), unwound and via the guide rollers 12; 09 fed into a downstream device, for example a rotary printing press.
  • the conveying direction of the running material web 11 results from the movement arrow 13.
  • a new roll of material 14 on which a new web of material 16, in particular a paper web, is wound, is clamped in the roll changer (not shown) and accelerated rotationally according to the movement arrow 17, until the peripheral speed of the beginning of the web 18 of the new material web 16 matches the conveying speed of the running material web 11.
  • 16 adhesive labels 19 are attached to the beginning of the web 18 of the new material web.
  • the frame 04 can be pivoted to the left in accordance with the movement arrow 22 in order to first approach the running material web 11 to the new material roll 14.
  • FIG. 2 shows the device 01 after pivoting the frame 04 to bring the running material web 11 closer to the new material roll 14.
  • the pivot arms 07 are also pivoted without moving themselves relative to the frame 04.
  • the connecting device 02 comes to rest on one side of the running material web 11 and, with increasing pivoting angle of the frame 04, pushes the running material web 11 ever further in the direction of the new material roll 14. Since the swivel arms 07 are not adjusted by then, relative arrangement between cutting device 03 and connecting device 02 a violation of running material web 11 reliably excluded by the frame-mounted cutting device 03.
  • the connecting device 02 is sufficiently close to the new material roll 14 by pivoting the frame 04, the actual connection of the running material web 11 to the new material web 16 can be started.
  • a signal is passed on to the control system by the sensor 21 as it passes the adhesive labels 19, the control system, after receiving this signal, actuating the drive device to adjust the swivel arms 07, so that the swivel arms 07 are swiveled to the left in accordance with the movement arrow 23, and in the process the running one Take the material web 11 with you until the running material web 11 comes into contact with the new material roll 14 at exactly the moment the adhesive labels 19 pass through and the web start 18 of the new material web 16 is thereby connected to one side of the old running material web 11.
  • the state of the device 01 exactly at the moment of connection between the running material web 11 and the new material web 16 is shown schematically in FIG. 3. It can be seen that the connection of the new material web 16 results in a Y-shaped structure on one side of the running material web 11, of whose three branches two are formed by the running material web 11 and one by the new material web 16 and in the roots thereof the adhesive labels 19 are located. An unwanted severing of the running material web 11 at this time is precluded by the fact that the cutting device 03, due to its arrangement on the frame 04, extends essentially parallel to the web guidance of the running material web 11 in the area of the frame 04.
  • a circular spacing element 24 is provided on the cutting device 03, by means of which a certain minimum distance between the running material web 11 and the cutting edge of the cutting device 03 is ensured.
  • the old material web 11, which had previously shown the running material web 11, must be severed.
  • the swivel arms 07 are controlled in such a way that they are swiveled back to the right in accordance with the movement arrow 26. This swiveling movement changes the path of the old material web 11 in the area behind the gluing point, so that the new material web 16 and the old material web 11 enclose a certain angle ⁇ (FIG. 4) with one another depending on the setting angle of the swivel arms 07 ,
  • the device 01 is shown at the moment the adhesive labels 19 pass through the cutting device 03.
  • the swivel arms 07 are swiveled back so far that the connecting device 02 is just resting against the old material web 11.
  • the new material web 16 runs taut between the adhesive labels 19 and the new material roll 14.
  • the old material web 11 is cut by the cutting device 03 due to its path, the resulting flag being just as long as it results from the distance between the cutting edge of the cutting device 03 and the new material web 16.
  • the new material web 16 is then fed into the downstream device 01 and the old material roll 11 is removed from the roll changer together with the cut web end.
  • the frame 04 is pivoted back into its basic position shown in FIG. 1 according to the movement arrow 27.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Seats For Vehicles (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The invention relates to a device for linking two webs of material (11, 16), each rolled up on a roll of material, especially webs of paper, during web-roll changing without stopping. Said device comprises a linking device (02, 07) for linking, especially gluing, the fresh web of material (16) with the expiring web of material (11), and a cutting device (03, 24) for severing the expiring web of material, thereby producing two web ends. The cutting device (03, 24) is disposed downstream of the linking device (02, 07) when seen in the direction of conveyance of the expiring web of material.

Description

Beschreibungdescription
Vorrichtung zum Verbinden zweier MaterialbahnenDevice for connecting two material webs
Die Erfindung betrifft eine Vorrichtung zum Verbinden zweier Materialbahnen gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a device for connecting two material webs according to the preamble of claim 1.
Aus der DE 42 18 825 A1 ist eine Vorrichtung zum fliegenden Rollenwechsel bekannt, bei der eine neue Papierbahn an die ablaufende Papierbahn einer mit Produktionsgeschwindigkeit laufenden Druckmaschine angeklebt werden kann. Nach dem Ankleben der neuen Papierbahn wird die ablaufende Papierbahn mittels einer Schneideinrichtung unter Bildung zweier Bahnenden durchtrennt, wobei das eine , Bahnende zusammen mit der neuen Papierbahn durch die Druckmaschine gefördert wird und das zweite Bahnende zusammen mit der verbrauchten Papierrolle aus dem Rollenwechsler entfernt werden kann. Beim Rollenwechsel drehen sich beide Papierrollen mit gleichem Drehsinn, wobei die ablaufende Papierbahn derart an der neuen Papierrolle vorbei geführt wird, so dass der Anfang der neuen Papierbahn beim Ankleben an die ablaufende Papierbahn möglichst tangential an der ablaufenden Papierbahn zur Anlage kommt.From DE 42 18 825 A1 a device for flying roll change is known, in which a new paper web can be glued to the running paper web of a printing machine running at production speed. After the new paper web has been glued on, the running paper web is cut by means of a cutting device to form two web ends, one end of the web being conveyed together with the new paper web by the printing press and the second end of the web together with the used paper roll being able to be removed from the roll changer. When changing rolls, both paper rolls rotate with the same direction of rotation, the running paper web being guided past the new paper roll in such a way that the beginning of the new paper web comes into contact with the running paper web as tangentially as possible when it is glued to the running paper web.
Aus der US 4936 942 A ist eine Vorrichtung zum fliegenden Rollenwechsel bekannt, bei der in einem Rahmen eine Schneideinrichtung und eine Klebewalze vorgesehen sind. Beim Rollenwechsel kann der Rahmen von einer Seite aus an die ablaufende Papierbahn angenähert werden, so dass beim Auslösen der Verbindungsvorrichtung eine Klebewalze zusammen mit der ablaufenden Papierbahn gegen die Klebestelle der neuen Papierbahn gedrückt wird. Anschließend wird durch das Schneidmesser die ablaufende Papierbahn durchtrennt.From US 4936 942 A a device for flying roll change is known, in which a cutting device and an adhesive roller are provided in a frame. When changing rolls, the frame can be approached from one side to the running paper web, so that when the connecting device is triggered, an adhesive roller together with the running paper web is pressed against the gluing point of the new paper web. The running paper web is then cut by the cutting knife.
Aus der EP 0720581 B1 ist eine Vorrichtung zum fliegenden Rollenwechsel bekannt, bei der die Spannung der Papierbahn durch eine geeignete Bewegungskinematik während des Klebe- bzw. Schneidvorganges im wesentlichen konstant gehalten werden kann.From EP 0720581 B1 a device for flying roll change is known from which the tension of the paper web can be kept essentially constant by means of suitable kinematics of motion during the gluing or cutting process.
Nachteilig an den bekannten Vorrichtungen zum Verbinden zweier Papierbahnen beim fliegenden Rollenwechsel ist es, dass aufgrund der Anordnung der Schneideinrichtung in Förderrichtung der ablaufenden Materialbahn vor der Verbindungseinrichtung, beispielsweise einer Klebewalze oder -bürste, sich zwingend eine sogenannte „Fahne" ergibt. Die Länge dieser Fahne, das heißt der Abstand zwischen der Verbindungsstelle zwischen der neuen und der alten Materialbahn und dem durchtrennten Bahnende der alten Materialbahn, wird dabei wesentlich vom Abstand zwischen der Verbindungseinrichtung und der Schneideinrichtung bestimmt. Durch die Fahne werden beim Durchfördern der Materialbahn durch eine Bearbeitungsmaschine, beispielsweise eine Rollenrotationsdruckmaschine, vielfach Störungen verursacht. Zur Vermeidung dieser Störungen wird in der WO 99/40004 A1 eine Vorrichtung vorgeschlagen, bei der die Fahne durch entsprechende Bahnführung nach dem Durchtrennen der alten Materialbahn aufgrund der auf die Fahne wirkenden Zentrifugalkräfte nach außen gedrückt und anschließend durch eine Messerleiste abgetrennt wird. Damit kann die Länge der Fahne auf annähernd null gekürzt werden, wobei jedoch ein erheblicher zusätzlicher Konstruktionsaufwand für eine geeignete Bahnführung und die nachgeschaltete Messerleiste erforderlich ist.A disadvantage of the known devices for connecting two paper webs in the case of a flying reel change is that, due to the arrangement of the cutting device in the conveying direction of the running material web in front of the connecting device, for example an adhesive roller or brush, a so-called “flag” is mandatory. The length of this flag , that is to say the distance between the connection point between the new and the old material web and the severed web end of the old material web, is essentially determined by the distance between the connecting device and the cutting device. The flag is used to convey the material web through a processing machine, for example a In order to avoid these faults, a device is proposed in WO 99/40004 A1 in which the flag, by means of appropriate web guidance after the old web of material has been severed due to de r centrifugal forces acting on the flag are pressed outwards and then separated by a knife bar. This allows the length of the flag to be reduced to almost zero, although a considerable additional design effort is required for a suitable web guide and the downstream male connector.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Verbinden zweier Materialbahnen zu schaffen.The invention has for its object to provide a device for connecting two webs of material.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst.This object is achieved by the features of claim 1.
Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass durch die Anordnung der Schneideinrichtung in Förderrichtung der ablaufenden Materialbahn hinter der Verbindungseinrichtung die Fahne beim Durchtrennen der ablaufenden Materialbahn prinzipiell beliebig kurz abgeschnitten werden kann. Beim Verbinden der neuen Materialbahn mit der ablaufenden Materialbahn ergibt sich im Ergebnis immer eine Y- förmige Struktur, deren einer Ast, nämlich die alte Materialbahn ausgehend von der alten Materialrolle bis zur Klebestelle, durch die hinter der Verbindungseinrichtung angeordnete Schneideinrichtung im wesentlichen vollständig abgetrennt werden kann. Durch die Anordnung der Schneideinrichtung hinter der Verbindungseinrichtung ergibt sich im Ergebnis keine zwingende Mindestfahnenlänge, sondern die Länge der Fahne kann prinzipiell beliebig verkürzt werden. Dabei ist jedoch zu beachten, dass bei zu kurz gewählter Fahnenlänge potentiell die Gefahr besteht, dass die neue Materialbahn ungewollt durch das Schneidorgan verletzt wird.The advantages which can be achieved with the invention consist in particular in that, by arranging the cutting device in the conveying direction of the running material web behind the connecting device, the flag when severing the running material web can in principle be cut as short as desired. When the new material web is connected to the running material web, the result is always a Y-shaped structure, one branch of which, namely the old material web starting from the old material roll to the glue point, can be essentially completely separated by the cutting device arranged behind the connecting device , As a result of the arrangement of the cutting device behind the connecting device, there is no mandatory minimum flag length, but in principle the length of the flag can be shortened as desired. However, it should be noted that if the length of the flag is too short, there is a potential risk that the new material web may be accidentally damaged by the cutting element.
Wird die Schneideinrichtung hinter der Verbindungseinrichtung angeordnet, besteht potentiell die Gefahr, dass beim Durchtrennen der alten Materialbahn auch die neue Materialbahn ungewollt verletzt wird. Um diese Gefahr zuverlässig auszuschließen, ist es besonders vorteilhaft, wenn die Schneideinrichtung durch Verstellung einer Bahnleiteinrichtung, mit der die Bahnführung der zu trennenden Materialbahn veränderbar ist, mit der zu trennenden Materialbahn in Eingriff gebracht wird. Im Ergebnis kann dadurch erreicht werden, dass die neue Materialbahn und die zu trennende Materialbahn im Bereich hinter der Klebestelle entlang unterschiedlicher Wege geführt werden, so dass zuverlässig nur die alte Materialbahn durchtrennt wird. Insbesondere lässt sich durch Verstellung der Bahnleiteinrichtung erreichen, dass die neue Materialbahn und die zu trennende Materialbahn einen bestimmten Winkel miteinander einschließen. Die Schneideinrichtung muss zum Trennen der alten Materialbahn in diesem Falle derart angeordnet werden, dass die alte Materialbahn, nachdem die Klebestelle die Schneidvorrichtung passiert hat, auf Grund ihres Bahnverlaufes durch Kontakt mit der Schneide der Schneidvorrichtung durchtrennt werden kann. Ein Vorteil dieser Ausführungsform liegt insbesondere auch darin, dass die Schneideinrichtung zum Durchtrennen der alten Materialbahn nicht verstellt werden muss, sondern feststehend angeordnet werden kann. Die zum Durchtrennen der alten Materialbahn erforderliche Änderung der Bahnführung der alten Materialbahn kann besonders einfach dadurch erreicht werden, dass die Verbindungseinrichtung, beispielsweise eine Klebewalze oder -bürste, nachdem sie die ablaufende Materialbahn an die neue Materialbahn angedrückt hat, in der Weise verstellt wird, dass die alte Materialbahn mit der Schneideinrichtung in Eingriff kommt.If the cutting device is arranged behind the connecting device, there is a potential risk that the new material web is also unintentionally injured when the old material web is cut. In order to reliably rule out this danger, it is particularly advantageous if the cutting device is brought into engagement with the material web to be separated by adjusting a web guiding device with which the web guidance of the material web to be separated can be changed. As a result, it can be achieved that the new material web and the material web to be separated are guided along different paths in the area behind the adhesive point, so that only the old material web is reliably severed. In particular, by adjusting the web guiding device, it can be achieved that the new material web and the material web to be separated enclose a certain angle with one another. In this case, the cutting device must be arranged in order to separate the old material web in such a way that the old material web, after the adhesive point has passed the cutting device, can be cut due to its path course by contact with the cutting device's cutting edge. An advantage of this embodiment is in particular that the cutting device does not have to be adjusted to cut through the old material web, but can be arranged in a fixed manner. The change in the web guidance of the old material web required for severing the old material web can be achieved particularly simply by adjusting the connecting device, for example an adhesive roller or brush, after it has pressed the running material web onto the new material web in such a way that the old material web comes into engagement with the cutting device.
Alternativ zur Verstellung einer Bahnleiteinrichtung, mit der die Bahnführung der zu trennenden Materialbahn veränderbar ist, ist es auch denkbar, dass die Schneideinrichtung durch geeignete Verstellung einer Bahnleiteinrichtung, mit der die Bahnführung der neuen Materialbahn veränderbar ist, und gleichzeitige Verstellung der Schneideinrichtung mit der zu trennenden Materialbahn in Eingriff kommt. Mit anderen Worten bedeutet dies, dass durch die Verstellung der Bahnleiteinrichtung die neue Materialbahn zumindest kurzzeitig so umgeleitet wird, dass die neue Materialbahn nach der Verstellung der Schneideinrichtung nicht mit der Schneideinrichtung in Eingriff kommt und nur die alte Materialbahn durch Verstellung der Schneideinrichtung durchtrennt wird.As an alternative to the adjustment of a web guiding device with which the web guidance of the material web to be separated can be changed, it is also conceivable that the cutting device by suitable adjustment of a web guiding device with which the web guidance of the new material web can be changed and simultaneous adjustment of the cutting device with the one to be separated Material web comes into engagement. In other words, this means that the adjustment of the web guiding device at least briefly redirects the new material web so that the new material web does not come into engagement with the cutting device after the adjustment of the cutting device and only the old material web is severed by adjusting the cutting device.
Um ein ungewolltes Durchtrennen der neuen Materialbahn durch die Schneideinrichtung zuverlässig auszuschließen, kann an der Schneideinrichtung ein Abstandselement vorgesehen werden, durch das ein bestimmter Mindestabstand zwischen der Schneide der Schneideinrichtung und der neuen Materialbahn gesichert wird.In order to reliably rule out an unwanted cutting of the new material web by the cutting device, a spacing element can be provided on the cutting device, by means of which a certain minimum distance between the cutting edge of the cutting device and the new material web is ensured.
Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher beschrieben.Embodiments of the invention are shown in the drawings and are described in more detail below.
Es zeigen:Show it:
Fig. 1 eine Vorrichtung zum Verbinden zweier Materialbahnen in der Grundstellung in einer schematisch dargestellten seitlichen Ansicht; Fig. 2 die Vorrichtung gemäß Fig.1 nach der Annäherung der ablaufenden Materialbahn an die neue Materialrolle;1 shows a device for connecting two material webs in the basic position in a schematically illustrated side view; FIG. 2 shows the device according to FIG. 1 after the running material web approaches the new material roll;
Fig. 3 die Vorrichtung gemäß Fig.1 während des Andrückens der ablaufenden Materialbahn an die neue Materialrolle;3 shows the device according to FIG. 1 while pressing the running material web against the new material roll;
Fig. 4 die Vorrichtung gemäß Fig.1 beim Durchtrennen der alten Materialbahn.4 shows the device according to FIG. 1 when severing the old material web.
In Fig.1 ist eine Vorrichtung 01 mit einer in der Art einer Klebewalze ausgebildeten Verbindungseinrichtung 02, insbesondere einer Bahnleiteinrichtung, und einer in der Art eines Abschlagsmesser ausgebildeten Schneideinrichtung 03 dargestellt. Die Verbindungseinrichtung 02 und die Schneideinrichtung 03 sind beide an einem aus zwei parallel zueinander angeordneten Seitenteilen gebildeten Rahmen 04 befestigt. Zur Verstellung der Verbindungseinrichtung 02 relativ zum Rahmen 04 sind zwei um eine Rotationsachse 06 schwenkbar gelagerte Schwenkarme 07 vorgesehen. Durch Ansteuerung einer nicht dargestellten Antriebseinrichtung kann die Verbindungseinrichtung 02 um die Rotationsachse 06 drehend verschwenkt werden. Die in der Art einer Klebewalze ausgebildete Verbindungseinrichtung 02 ist dabei drehbar an den unteren Enden der Schwenkarme 07 gelagert. Die Schneideinrichtung 03 ist gestellfest mit dem Rahmen 04 verbunden. Der Rahmen 04 seinerseits ist schwenkbar gelagert und kann um eine Rotationsachse 08, die mit der Rotationsachse einer Leitwalze 09 übereinstimmt, mittels einer nicht dargestellten Antriebseinrichtung verschwenkt werden.1 shows a device 01 with a connecting device 02 designed in the manner of an adhesive roller, in particular a web guiding device, and a cutting device 03 designed in the manner of a knock-off knife. The connecting device 02 and the cutting device 03 are both fastened to a frame 04 formed from two side parts arranged parallel to one another. In order to adjust the connecting device 02 relative to the frame 04, two pivot arms 07 are provided which are pivotably mounted about an axis of rotation 06. By activating a drive device, not shown, the connecting device 02 can be pivoted about the axis of rotation 06. The connecting device 02 designed in the manner of an adhesive roller is rotatably mounted on the lower ends of the swivel arms 07. The cutting device 03 is fixed to the frame 04. The frame 04 is in turn pivoted and can be pivoted about a rotation axis 08, which corresponds to the rotation axis of a guide roller 09, by means of a drive device, not shown.
Fig. 1 stellt die Vorrichtung 01 in ihrer Grundstellung dar. In der Grundstellung ist die Vorrichtung 01 derart nach rechts verschwenkt, dass weder die Schneideinrichtung 03 noch die Verbindungseinrichtung 02 mit einer der Materialbahnen in Eingriff kommt. Eine ablaufende Materialbahn 11 , insbesondere einer Papierbahn, wird von einer Materialrolle 15, die in einem nicht dargestellten Rollenwechsler gelagert ist, abgespult und über die Leitwalzen 12; 09 in eine nachgeordnete Vorrichtung, beispielsweise eine Rotationsdruckmaschine, eingefördert. Die Förderrichtung der ablaufenden Materialbahn 11 ergibt sich dabei aus dem Bewegungspfeil 13.1 shows the device 01 in its basic position. In the basic position, the device 01 is pivoted to the right such that neither the cutting device 03 nor the connecting device 02 comes into engagement with one of the material webs. A running material web 11, in particular a paper web, is run from a material roll 15, which is mounted in a reel changer (not shown), unwound and via the guide rollers 12; 09 fed into a downstream device, for example a rotary printing press. The conveying direction of the running material web 11 results from the movement arrow 13.
Ist die alte Materialrolle 15 weitgehend erschöpft und soll deshalb ein fliegender Rollenwechsel durchgeführt werden, wird eine neue Materialrolle 14, auf der eine neue Materialbahn 16, insbesondere eine Papierbahn, aufgespult ist, im nicht dargestellten Rollenwechsler aufgespannt und gemäß dem Bewegungspfeil 17 solange rotatorisch beschleunigt, bis die Umfangsgeschwindigkeit des Bahnanfangs 18 der neuen Materialbahn 16 mit der Fördergeschwindigkeit der ablaufenden Materialbahn 11 übereinstimmt. Um die neue Materialbahn 16 mit der ablaufenden Materialbahn 11 verbinden zu können, sind am Bahnanfang 18 der neuen Materialbahn 16 Klebeetiketten 19 angebracht. Mittels eines lediglich schematisch dargestellten Sensors 21 kann das Passieren der Klebeetiketten 19 detektiert und an die Steuerung des Rollenwechslers weitergeleitet werden. Sobald die neue Materialrolle 14 die erforderliche Umfangsgeschwindigkeit erreicht hat, kann der Rahmen 04 entsprechend dem Bewegungspfeil 22 nach links verschwenkt werden, um die ablaufende Materialbahn 11 zunächst an die neue Materialrolle 14 anzunähern.If the old roll of material 15 is largely exhausted and therefore a flying roll change is to be carried out, a new roll of material 14, on which a new web of material 16, in particular a paper web, is wound, is clamped in the roll changer (not shown) and accelerated rotationally according to the movement arrow 17, until the peripheral speed of the beginning of the web 18 of the new material web 16 matches the conveying speed of the running material web 11. In order to be able to connect the new material web 16 to the running material web 11, 16 adhesive labels 19 are attached to the beginning of the web 18 of the new material web. Using a sensor 21, which is only shown schematically, the passage of the adhesive labels 19 can be detected and forwarded to the control of the reel changer. As soon as the new material roll 14 has reached the required peripheral speed, the frame 04 can be pivoted to the left in accordance with the movement arrow 22 in order to first approach the running material web 11 to the new material roll 14.
In Fig. 2 ist die Vorrichtung 01 nach Verschwenken des Rahmens 04 zur Annäherung der ablaufenden Materialbahn 11 an die neue Materialrolle 14 dargestellt. Bei der Schwenkbewegung des Rahmens 04 werden die Schwenkarme 07 ebenfalls verschwenkt, ohne sich selbst relativ zum Rahmen 04 zu bewegen. Im Ergebnis kommt dadurch die Verbindungseinrichtung 02 an einer Seite der ablaufenden Materialbahn 11 zur Anlage und drückt mit zunehmendem Schwenkwinkel des Rahmens 04 die ablaufende Materialbahn 11 immer weiter in Richtung der neuen Materialrolle 14. Da die Schwenkarme 07 bis dahin nicht verstellt werden, ist aufgrund der relativen Anordnung zwischen Schneideinrichtung 03 und Verbindungseinrichtung 02 eine Verletzung der ablaufenden Materialbahn 11 durch die rahmenfest montierte Schneideinrichtung 03 zuverlässig ausgeschlossen.2 shows the device 01 after pivoting the frame 04 to bring the running material web 11 closer to the new material roll 14. When the frame 04 is pivoted, the pivot arms 07 are also pivoted without moving themselves relative to the frame 04. As a result, the connecting device 02 comes to rest on one side of the running material web 11 and, with increasing pivoting angle of the frame 04, pushes the running material web 11 ever further in the direction of the new material roll 14. Since the swivel arms 07 are not adjusted by then, relative arrangement between cutting device 03 and connecting device 02 a violation of running material web 11 reliably excluded by the frame-mounted cutting device 03.
Ist die Verbindungseinrichtung 02 durch Verschwenken des Rahmens 04 ausreichend nah an die neue Materialrolle 14 angenähert, kann mit der eigentlichen Verbindung der ablaufenden Materialbahn 11 mit der neuen Materialbahn 16 begonnen werden. Dazu wird vom Sensor 21 beim Passieren der Klebeetiketten 19 ein Signal an die Steuerung weitergegeben, wobei die Steuerung nach Erhalt dieses Signals die Antriebseinrichtung zu Verstellung der Schwenkarme 07 ansteuert, so dass die Schwenkarme 07 entsprechend dem Bewegungspfeil 23 nach links verschwenkt werden und dabei die ablaufende Materialbahn 11 soweit mitnehmen, bis die ablaufende Materialbahn 11 genau im Moment des Passierens der Klebeetiketten 19 an der neuen Materialrolle 14 zur Anlage kommt und dadurch der Bahnanfang 18 der neuen Materialbahn 16 mit der einen Seite der alten ablaufenden Materialbahn 11 verbunden wird.If the connecting device 02 is sufficiently close to the new material roll 14 by pivoting the frame 04, the actual connection of the running material web 11 to the new material web 16 can be started. For this purpose, a signal is passed on to the control system by the sensor 21 as it passes the adhesive labels 19, the control system, after receiving this signal, actuating the drive device to adjust the swivel arms 07, so that the swivel arms 07 are swiveled to the left in accordance with the movement arrow 23, and in the process the running one Take the material web 11 with you until the running material web 11 comes into contact with the new material roll 14 at exactly the moment the adhesive labels 19 pass through and the web start 18 of the new material web 16 is thereby connected to one side of the old running material web 11.
Der Zustand der Vorrichtung 01 genau im Moment der Verbindung zwischen ablaufender Materialbahn 11 und neuer Materialbahn 16 ist in Fig. 3 schematisch dargestellt. Man erkennt, dass sich durch die Verbindung der neuen Materialbahn 16 an einer Seite der ablaufenden Materialbahn 11 eine Y-förmige Struktur ergibt, von deren drei Ästen zwei von der ablaufenden Materialbahn 11 und einer von der neuen Materialbahn 16 gebildet werden und in deren Wurzeln sich die Klebetiketten 19 befinden. Ein ungewolltes Durchtrennen der ablaufenden Materialbahn 11 zu diesem Zeitpunkt wird dadurch ausgeschlossen, dass sich die Schneideinrichtung 03 aufgrund ihrer Anordnung am Rahmen 04 im wesentlichen parallel zur Bahnführung der ablaufenden Materialbahn 11 im Bereich des Rahmens 04 erstreckt. Außerdem ist an der Schneideinrichtung 03 ein kreisförmiges Abstandselement 24 vorgesehen, durch das ein bestimmter Mindestabstand zwischen der ablaufenden Materialbahn 11 und der Schneide der Schneideinrichtung 03 gesichert wird. Zum Abschluss des fliegenden Rollenwechsels muss die alten Materialbahn 11 , die bis dahin die ablaufende Materialbahn 11 dargestellt hat, durchtrennt werden. Um die alte Materialbahn 11 ohne Gefahr der Verletzung der neuen Materialbahn 16 durchtrennen zu können, werden die Schwenkarme 07 derart angesteuert, dass sie gemäß dem Bewegungspfeil 26 nach rechts zurück geschwenkt werden. Durch diese Schwenkbewegung wird der Bahnverlauf der alten Materialbahn 11 im Bereich hinter der Klebestelle verändert, so dass die neue Materialbahn 16 und die alte Materialbahn 11 im Bereich der Klebestelle in Abhängigkeit vom Stellwinkel der Schwenkarme 07 einen bestimmten Winkel α (Fig. 4) miteinander einschließen.The state of the device 01 exactly at the moment of connection between the running material web 11 and the new material web 16 is shown schematically in FIG. 3. It can be seen that the connection of the new material web 16 results in a Y-shaped structure on one side of the running material web 11, of whose three branches two are formed by the running material web 11 and one by the new material web 16 and in the roots thereof the adhesive labels 19 are located. An unwanted severing of the running material web 11 at this time is precluded by the fact that the cutting device 03, due to its arrangement on the frame 04, extends essentially parallel to the web guidance of the running material web 11 in the area of the frame 04. In addition, a circular spacing element 24 is provided on the cutting device 03, by means of which a certain minimum distance between the running material web 11 and the cutting edge of the cutting device 03 is ensured. At the end of the flying roll change, the old material web 11, which had previously shown the running material web 11, must be severed. In order to be able to sever the old material web 11 without risk of injury to the new material web 16, the swivel arms 07 are controlled in such a way that they are swiveled back to the right in accordance with the movement arrow 26. This swiveling movement changes the path of the old material web 11 in the area behind the gluing point, so that the new material web 16 and the old material web 11 enclose a certain angle α (FIG. 4) with one another depending on the setting angle of the swivel arms 07 ,
In Fig. 4 ist die Vorrichtung 01 gerade im Moment des Passierens der Klebeetiketten 19 an der Schneidvorrichtung 03 dargestellt. Die Schwenkarme 07 sind zu diesem Zeitpunkt soweit zurückgeschwenkt, dass die Verbindungseinrichtung 02 gerade noch an der alten Materialbahn 11 anliegt. Die neue Materialbahn 16 verläuft straff zwischen den Klebeetiketten 19 und der neuen Materialrolle 14. Sobald die Klebeetiketten 19 die Schneideinrichtung 03 passieren, wird die alte Materialbahn 11 aufgrund ihres Bahnverlaufes von der Schneideinrichtung 03 durchtrennt, wobei die dabei entstehende Fahne gerade so lang ist, wie es sich aus dem Abstand zwischen der Schneide der Schneidvorrichtung 03 und neuer Materialbahn 16 ergibt.4, the device 01 is shown at the moment the adhesive labels 19 pass through the cutting device 03. At this point in time, the swivel arms 07 are swiveled back so far that the connecting device 02 is just resting against the old material web 11. The new material web 16 runs taut between the adhesive labels 19 and the new material roll 14. As soon as the adhesive labels 19 pass through the cutting device 03, the old material web 11 is cut by the cutting device 03 due to its path, the resulting flag being just as long as it results from the distance between the cutting edge of the cutting device 03 and the new material web 16.
Anschließend wird die neue Materialbahn 16 in die nachgeordnete Vorrichtung 01 eingefördert und die alte Materialrolle 11 zusammen mit dem abgeschnittenen Bahnende aus dem Rollenwechsler entfernt. Außerdem wird der Rahmen 04 gemäß dem Bewegungspfeil 27 zurück in seine in Fig. 1 dargestellte Grundstellung verschwenkt. The new material web 16 is then fed into the downstream device 01 and the old material roll 11 is removed from the roll changer together with the cut web end. In addition, the frame 04 is pivoted back into its basic position shown in FIG. 1 according to the movement arrow 27.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
01 Vorrichtung01 device
02 Verbindungseinrichtung, Klebewalze, Klebebürste02 connecting device, adhesive roller, adhesive brush
03 Schneideinrichtung03 cutting device
04 Rahmen04 frame
05 -05 -
06 Rotationsachse (07)06 axis of rotation (07)
07 Schwenkarm07 swivel arm
08 Rotationsachse (04)08 axis of rotation (04)
09 Leitwalze09 guide roller
10 -10 -
11 Materialbahn, ablaufende, alte11 material web, expiring, old
12 Leitwalze12 guide roller
13 Förderrichtung (11 )13 conveying direction (11)
14 Materialrolle, neue14 Roll of material, new
15 Materialrolle, alte15 Roll of material, old
16 Materialbahn, neue16 material web, new
17 Bewegungspfeil (14; 16)17 movement arrow (14; 16)
18 Bahnanfang (14; 16)18 start of path (14; 16)
19 Klebeetiketten19 adhesive labels
20 -20 -
21 Sensor21 sensor
22 Bewegungspfeil (04)22 movement arrow (04)
23 Bewegungspfeil (07)23 movement arrow (07)
24 Abstandselement24 spacer
25 -25 -
26 Bewegungspfeil (07)26 movement arrow (07)
27 Bewegungspfeil (04) α Winkel 27 movement arrow (04) α angle

Claims

Ansprüche Expectations
1. Vorrichtung (01) zum Verbinden zweier jeweils auf einer Materialrolle (14; 15) aufgespulter Materialbahnen (11; 16), beim fliegenden Rollenwechsel, mit einer Verbindungseinrichtung (02) zum Verbinden der neuen Materialbahn (16) mit der ablaufenden alten Materialbahn (11), und mit einer Schneideinrichtung (03), zum Durchtrennen der ablaufende Materialbahn (11), dadurch gekennzeichnet, dass die Schneideinrichtung (03) durch Verstellung der Bahnführung der zu trennenden Materialbahn (11) mit der zu trennenden Materialbahn (11) in Eingriff bringbar ist.1.Device (01) for connecting two material webs (11; 16) wound on a material roll (14; 15), during the flying roll change, with a connecting device (02) for connecting the new material web (16) with the old material web ( 11), and with a cutting device (03) for severing the running material web (11), characterized in that the cutting device (03) engages with the material web (11) to be separated by adjusting the web guide of the material web (11) to be separated is feasible.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Schneideinrichtung (03) in Förderrichtung der ablaufenden Materialbahn (11 ) hinter der Verbindungseinrichtung (02) angeordnet ist.2. Device according to claim 1, characterized in that the cutting device (03) in the conveying direction of the running material web (11) is arranged behind the connecting device (02).
3. Vorrichtung (01) nach Anspruch 1, dadurch gekennzeichnet, dass die Schneideinrichtung (03) durch Verstellung der Verbindungseinrichtung (02) mit der zu trennenden Materialbahn (11 ) in Eingriff bringbar ist.3. Device (01) according to claim 1, characterized in that the cutting device (03) can be brought into engagement with the material web (11) to be separated by adjusting the connecting device (02).
4. Vorrichtung (01) nach Anspruch 3, dadurch gekennzeichnet, dass die Schneideinrichtung (03) durch Verstellung einer Klebewalze oder -bürste (02), mit der zu trennenden Materialbahn (11) in Eingriff bringbar ist.4. The device (01) according to claim 3, characterized in that the cutting device (03) can be brought into engagement with the material web (11) to be separated by adjusting an adhesive roller or brush (02).
5. Vorrichtung (01) nach Anspruch 1, dadurch gekennzeichnet, dass die Schneideinrichtung (03) durch Verstellung einer Verbindungseinrichtung (02), mit der die Bahnführung der neuen Materialbahn (16) veränderbar ist, und gleichzeitige Verstellung der Schneideinrichtung (03) mit der zu trennenden Materialbahn (11 ) in Eingriff bringbar ist. 5. The device (01) according to claim 1, characterized in that the cutting device (03) by adjusting a connecting device (02) with which the web guidance of the new material web (16) can be changed, and simultaneously adjusting the cutting device (03) with the material web (11) to be separated can be brought into engagement.
6. Vorrichtung (01) nach Anspruch 1, dadurch gekennzeichnet, dass sich die Schneideinrichtung (03) zum Zeitpunkt nach der Verbindung der neuen Materialbahn (16) mit der ablaufenden Materialbahn (11) im wesentlichen parallel zur Bahnführung der neuen Materialbahn (16) erstreckt.6. The device (01) according to claim 1, characterized in that the cutting device (03) extends substantially parallel to the web guide of the new material web (16) at the time after the connection of the new material web (16) with the running material web (11) ,
7. Vorrichtung (01) nach Anspruch 1, dadurch gekennzeichnet, dass an der Schneideinrichtung (03) ein Abstandselement (24) vorgesehen ist, mit dem ein bestimmter Mindestabstand zwischen der Schneide der Schneideinrichtung (03) und der neuen Materialbahn (16) gesichert wird.7. The device (01) according to claim 1, characterized in that a spacer element (24) is provided on the cutting device (03), with which a certain minimum distance between the cutting edge of the cutting device (03) and the new material web (16) is secured ,
8. Vorrichtung (01) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Schneideinrichtung (03) und/oder die Verbindungseinrichtung (02) an einem verstellbar gelagerten Rahmen (04) angeordnet sind.8. The device (01) according to one of claims 1 to 6, characterized in that the cutting device (03) and / or the connecting device (02) are arranged on an adjustably mounted frame (04).
9. Vorrichtung (01) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Schneideinrichtung (03) und/oder die Verbindungseinrichtung (02) durch Verstellung des Rahmens (04) an die neue Materialrolle (14) annäherbar ist.9. The device (01) according to one of claims 1 to 7, characterized in that the cutting device (03) and / or the connecting device (02) can be approximated to the new material roll (14) by adjusting the frame (04).
10. Vorrichtung (01) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Schneideinrichtung (03) feststehend am Rahmen (04) befestigt ist, wobei die zu trennenden Materialbahn (11) durch Verstellung einer verstellbar am Rahmen (04) gelagerten Verbindungseinrichtung (02) an der Schneideinrichtung (03) zum Eingriff bringbar ist. 10. The device (01) according to one of claims 1 to 8, characterized in that the cutting device (03) is fixedly attached to the frame (04), the material web (11) to be separated being displaceably mounted on the frame (04) by adjustment Connecting device (02) on the cutting device (03) can be brought into engagement.
EP01997176A 2000-11-24 2001-11-12 Device for linking two webs of material Expired - Lifetime EP1335872B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058458A DE10058458B4 (en) 2000-11-24 2000-11-24 Device for connecting two webs of material
DE10058458 2000-11-24
PCT/DE2001/004247 WO2002042190A1 (en) 2000-11-24 2001-11-12 Device for linking two webs of material

Publications (2)

Publication Number Publication Date
EP1335872A1 true EP1335872A1 (en) 2003-08-20
EP1335872B1 EP1335872B1 (en) 2006-01-04

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US (1) US6758431B2 (en)
EP (1) EP1335872B1 (en)
JP (1) JP3662241B2 (en)
AT (1) ATE314991T1 (en)
AU (1) AU2002216913A1 (en)
DE (2) DE10058458B4 (en)
WO (1) WO2002042190A1 (en)

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WO2002042190A1 (en) 2002-05-30
JP3662241B2 (en) 2005-06-22
DE10058458A1 (en) 2002-06-06
EP1335872B1 (en) 2006-01-04
DE50108641D1 (en) 2006-03-30
US20030178523A1 (en) 2003-09-25
JP2004514620A (en) 2004-05-20
ATE314991T1 (en) 2006-02-15
AU2002216913A1 (en) 2002-06-03
US6758431B2 (en) 2004-07-06
DE10058458B4 (en) 2005-12-08

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