EP1462402A1 - Method for exchange of bobbins and device for performing the same - Google Patents

Method for exchange of bobbins and device for performing the same Download PDF

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Publication number
EP1462402A1
EP1462402A1 EP03090085A EP03090085A EP1462402A1 EP 1462402 A1 EP1462402 A1 EP 1462402A1 EP 03090085 A EP03090085 A EP 03090085A EP 03090085 A EP03090085 A EP 03090085A EP 1462402 A1 EP1462402 A1 EP 1462402A1
Authority
EP
European Patent Office
Prior art keywords
bobbin
material web
winding
web
webs
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
EP03090085A
Other languages
German (de)
French (fr)
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EP1462402B1 (en
Inventor
Albert-Berend Hebels
Axel Henning
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to ES03090085T priority Critical patent/ES2271472T3/en
Priority to DE50305110T priority patent/DE50305110D1/en
Priority to AT03090085T priority patent/ATE340143T1/en
Priority to EP03090085A priority patent/EP1462402B1/en
Priority to PL366654A priority patent/PL208094B1/en
Publication of EP1462402A1 publication Critical patent/EP1462402A1/en
Application granted granted Critical
Publication of EP1462402B1 publication Critical patent/EP1462402B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/107—Processing the trailing end of the replaced web after splicing operation, e.g. rewinding it

Definitions

  • the invention relates essentially to a device for changing bobbins comprising a holder for a first bobbin, a holder for a second Bobine, a device for connecting one running from the first Bobine Material web with a material web running in from the second bobbin and means for collection and disposal not for processing suitable strips of material both material webs.
  • the invention further relates to a method for changing Bobbin comprising the steps: feeding a running material web from a old, almost completely expired bobbin and an incoming material web from a new, full bobbin to a device for connecting the material webs, Joining both material webs and disposing of them are not suitable for processing Strips of material, namely a leader of the new bobbin and a residual material the old bobbin.
  • Cigarettes It is common in the tobacco processing industry to manufacture e.g. of Cigarettes are the webs of cigarette paper, filter paper or the like are wound up on so-called bobbins, to connect automatically so that one continuous production can take place. This can be done by knurling, embossing, gluing or other common connection techniques. This will be an expiring Material web of an already largely developed bobbin with a tapered one Material web connected to a new, full bobbin.
  • the leader or the residual material is separated Separating elements, e.g. Knives separated from the core of the Venturi principle Bobbins loosened by unwinding and vacuuming and into a pipe system Receiving container, the so-called shot box, promoted. There it will be The leader and residual material formed shot material compressed by the separated Strips of material are compressed with a tamper or the like. Once the Shot box has reached a certain level, it is manually emptied and cleaned.
  • Separating elements e.g. Knives separated from the core of the Venturi principle Bobbins loosened by unwinding and vacuuming and into a pipe system Receiving container, the so-called shot box, promoted. There it will be The leader and residual material formed shot material compressed by the separated Strips of material are compressed with a tamper or the like. Once the Shot box has reached a certain level, it is manually emptied and cleaned.
  • the known devices and methods have the disadvantage that due to the complex structure, they have a large variety of parts, which is too high Manufacturing and maintenance costs. Furthermore, the devices and the process - due to the Venturi nozzles - very noise-intensive. Is too disposal, in particular emptying the firing box, or cleaning the same as well as the environment very expensive. Furthermore, the disposed Residual material has a very large volume on what handling and disposal overall difficult.
  • the means at least one winding device for receiving and for disposing of a strip of material not suitable for processing.
  • the wrapping device can be a compacted, so compressed bale Form shot material that are easily passed into the shot container can.
  • This defined recording of the shot material ensures easy Handling as well as a simple and clean, especially dust-avoiding Disposal of the shot material. Noise reduction is also particularly advantageous by providing the winder for the shot material.
  • the winding device is advantageously for receiving and disposing of one Leader of the new, full bobbin in the direction of transport of the material web behind the Device for connecting and the other winding device for receiving and for Dispose of residual material from the old, almost completely expired bobbin in Transport direction of the material webs arranged in front of the device for connecting. This saves and takes up the whole in a space-saving manner Shot material guaranteed that can also be easily removed without the Contaminate the environment.
  • At least one winding device additionally designed as a release agent.
  • this allows individual parts can be saved, which reduces costs and maintenance.
  • the handling is particularly simplified, since the separation by the anyway rotating winding devices or coils can take place.
  • the task is accomplished by a method with the aforementioned Steps solved in that at least one strip of material is wound up and is disposed of automatically. This means that compressed bales cannot be removed from the Processing suitable material strips form a much simplified and enable improved, dust-free disposal.
  • both the leader and the residual material are wound up and thereby compressed, whereby the volume of the weft material overall further reduced.
  • the devices shown in the figures are used for changing bobbins, in particular for connecting two material webs when changing bobbins ongoing splicing in a reel machine.
  • the device 10 for changing or connecting bobbins comprises a first one Recording 11.
  • a first bobbin 12 is arranged on this recording 11.
  • the bobbin 12 is formed from a core 13 on which a material web 14 is wound.
  • the device 10 has a further receptacle 15 for receiving a second bobbin 16.
  • the bobbin 16 also has a core 17 on which one Material web 18 is wound.
  • Both bobbins 12, 16 each have their own Drive 19 or 20 can be driven.
  • the two bobbins 12, 16 follow in Transport direction of the material webs 14, 18, a device 21 for connecting the Material webs 14, 18.
  • the device 21 is off two rollers 22, 23 are formed, each with its own drive 24 or 25 feature.
  • the peripheral surface 26 of the roller 22 forms a smooth knurled surface 27.
  • Die Roller 23 has a segment 28 which on its side facing away from roller 23 Surface 29 has a structured knurled surface 30.
  • the distance between the rollers 22, 23 or their axes of rotation 31, 32 is variably adjustable and depending on the Material thickness of the material webs 14, 18 to be connected selected such that the Material webs 14, 18 by pinching between the roller 22 and the segment 28 connect. Other means of connection, for example gluing devices or the like can also be used.
  • the material webs 14, 18 in front of the Device 21 is arranged a first winding device 34.
  • the winding device 34 is arranged virtually within the material web 14 in such a way that the material web 14 runs through the winding device 34 or is threaded therein.
  • the winding device 34 has a coil 35.
  • the coil 35 can be driven to rotate, specifically by a drive 36.
  • a second one Winding device 37 arranged, which is also a rotatingly driven coil 38th having.
  • the coil 38 is connected to a drive 39.
  • the coil 38 is arranged within the material web 18 such that a free end 40 of the Material web 18 runs through the winding device 37 or is threaded therein.
  • the coils 35, 38 which are also replaced by other conventional winding elements can have recordings for receiving the material webs 14, 18.
  • the Recordings can e.g. be formed by a slot 41 (see Figure 3).
  • a another possibility is e.g. therein, several around the circumference of a disk 42 to provide distributed pins 43.
  • the pins 43 are spaced apart from one another and evenly distributed over the circumference, so that a slot 41 is also formed (see Figures 2a to 2c).
  • All drives 19, 20, 24, 25, 36, 39 are on a common control 51 connected.
  • the controller 51 controls the times and the rotation speeds of the individual bobbins 12, 16 or rollers 22, 23 or spools 35, 38.
  • the times and the rotational speeds of the bobbins 12, 16, the Rollers 22, 23 and the coils 35, 38 can be individually controlled or regulated.
  • the means that acts as a suction bar 60 is preferably above the material web 14 is formed, arranged adjustable.
  • the squeegee 60 acts as soon as it engages with the material web 14 is that a tensile force is applied to the material web, which acts opposite to the direction of transport according to arrow 33.
  • the suction bar 60 can but can also be replaced by other conventional means of fixation.
  • This Means has a so-called dancer device 62, which consists of several roles or Rolling is formed. At least one of the rollers is spring loaded and in the direction of the Arrow 62 movable. The material web 14 is threaded into this dancer device 62. In the event that the subsequent machine needs more material than actually from the bobbin 12 is delivered, this is pulled from the memory or buffer so that Speed differences during the transport of the material web 14 can be compensated. The principle also works accordingly for other material webs.
  • strip-shaped material webs 14, 18, such as cigarette paper are processed continuously.
  • the cigarette paper is unwound from a so-called bobbin.
  • the running material web 14 of the old bobbin 12 must be connected to an incoming material web 18 of a new, still full bobbin 16.
  • a first one Strip of material 53 which must be disposed of, is the so-called leader, which at Opening a new, full bobbin 16 is created.
  • a second strip of material 52 is that on the core 13 of the bobbin 12 remaining material of the old, almost empty Bobine 12
  • the cigarette paper is unwound from a bobbin 12.
  • the cigarette paper that is to say the material web 14 or a material strip 52, is threaded into the spool 35 and passed through the device 21 for connecting the material webs 14, 18.
  • the material web 14 is drawn off via rollers 45, 46 in the direction of further processing (see arrow 47) at a predetermined transport speed v 1 .
  • the material web 14 Before the material web 14 is completely unwound from the bobbin 12, it must be connected to the material web 18 of the new full bobbin 16 during operation, that is to say with continuously conveyed material webs 14, 18.
  • the material web 18 is already threaded into the device 21 before the connection, so that the material webs 14, 18 run approximately parallel to one another in the area of the device 21.
  • the free end 40 or the material strip 53 of the material web 18 is threaded behind the device 21 in the spool 38.
  • the spool 38 is permanently driven, so that the material web 18 wound on the bobbin 16 is biased, since the bobbin 16 is initially stationary. Therefore, the material web 18 is in a stationary state.
  • the coil 38 which acts like an endless spring, therefore holds the material web 18 or the material strip 53 under tension.
  • the coil 38 is designed with an inertial mass such that the coil 38 cannot follow rapid changes in speed.
  • the bobbin 16 is first accelerated by knurling before the actual connection process is initiated, specifically to a speed v 2 that is greater than the original transport speed v 1 the material web 14 during processing.
  • a speed v 2 that is greater than the original transport speed v 1 the material web 14 during processing.
  • the material web 14 which is initially conveyed at the transport speed v 1 during processing, is braked to a speed v 3 , where v 2 > v 1 > v 3 .
  • the braking of the material web 14 takes place essentially via the drive 19 of the bobbin 12.
  • the suction bar 60 is preferably switched on shortly before the actual connection process, which virtually holds the material web 14 or the material strip 52 or a tensile force on the material web 14 against the applied by the arrow 33 indicated transport direction. As soon as the suction bar 60 is in engagement with the material web 14, the tension of the material web 14 between the device 21 and the suction bar 60 rises further without changing the speed.
  • the material difference resulting from the braking of the material web 14 - due to the drive 19 - is compensated for by the dancer device 62, which is designed as a buffer or memory, in the case of continuously ongoing processing behind the device 21 at the speed v 1 .
  • the tension of the web that is to say of the material strip 53 behind the device 21, increases.
  • the increase in tension is primarily a result of the speed difference between the material web 18 being conveyed at the speed v 2 prior to the contact of the segment 28 with the roller 22 and the speed of the material web 18 during the contact between the segment 28 and the roller 22, which is preferably corresponds approximately to the speed v 1 , but in any case is less than v 2 . Due to the inertia of the coil 38, this cannot follow the abrupt speed difference v 2 v 1 .
  • the material web 18 is braked from v 2 to v 1 when the segment 28 comes into contact with the roller 22, while the bobbin 38 continues to rotate with v 2 .
  • the material web 18 or the material strip 53 is placed under tension between the winding device 37 and the device 21 for connecting, which leads to the material strip 53 being separated behind the device 21 under a certain load.
  • the material strip 53 usually tears at the point weakened by the edge 49.
  • the spool 38 is then driven in rotation until the torn end of the material web 18, namely the material strip 53, is completely wound up and thereby compressed.
  • the compressed, wound leader is then automatically disposed of by being pushed off the spool 38.
  • either the coil 38 itself or an auxiliary device such as the stripper disk 44 is moved axially.
  • the compressed shot material falls into a container (not shown) that can be easily lifted and emptied.
  • connection process is continued by rotating the rollers 22, 23 in the opposite direction, in that the segment 28 rolls on the peripheral surface 26 of the roller 22.
  • segment 28 and the roller 22 are driven at a speed of preferably about v 1 , but in any case at a speed which is greater than the speed v 3 , but the material web 14 by the drive 19 to the speed v 3 has been braked, a speed difference is generated which leads to an increase in the tension of the material web 14 or the material strip 52 between the device 21 and the bobbin 12.
  • the device 21 now connects the material webs 14 and 18, specifically at the speed v 1 of the pulling-off machine, which is arranged behind the changing device in the transport direction, the additional tensile force exerted on the material web 14 by the suction bar 60, or the resultant force increased web tension between the device 21 and the suction bar 60 cause the material web 14 to tear in the area of the device 21.
  • the spool 35 Shortly before a rear edge 50 of the segment 28 is in contact with the roller 22 or immediately after the connection process has ended, the spool 35 is driven so that the material web 14 or the material strip 52 is wound up. The spool 35 is driven in rotation until the material strip 52 is completely unwound from the bobbin 12 and wound on the spool 35.
  • the suction bar 60 acts as a catching device which holds the severed end of the material web 52 until the weft material is completely wound up. The remaining material is then automatically disposed of in the same way as the header.
  • the reusable core 13 can now be removed from the bobbin 12. A new, full bobbin is then placed on the receptacle 11, which in turn can be connected to the material web 18 of the bobbin 16 now running.

Abstract

A textile machine has a bobbin change assembly (10) with first and second bobbin holders. The machine further has a mechanism linking the ribbon (14) discharging from the first bobbin to feed ribbon (18) to the second bobbin. The assembly also has a station (37) that takes up and removes any ribbon that is surplus to requirements from either ribbon. After removal of surplus, these residues are compressed into a bale for disposal.

Description

Die Erfindung betrifft eine Vorrichtung zum Wechseln von Bobinen, im wesentlichen umfassend eine Aufnahme für eine erste Bobine, eine Aufnahme für eine zweite Bobine, eine Einrichtung zum Verbinden einer von der ersten Bobine ablaufenden Materialbahn mit einer von der zweiten Bobine zulaufenden Materialbahn sowie Mittel zur Aufnahme und zum Entsorgen nicht zur Verarbeitung geeigneter Materialstreifen beider Materialbahnen.The invention relates essentially to a device for changing bobbins comprising a holder for a first bobbin, a holder for a second Bobine, a device for connecting one running from the first Bobine Material web with a material web running in from the second bobbin and means for collection and disposal not for processing suitable strips of material both material webs.

Des weiteren befaßt sich die Erfindung mit einem Verfahren zum Wechseln von Bobinen, umfassend die Schritte: Zuführen einer ablaufenden Materialbahn von einer alten, nahezu vollständig abgelaufenen Bobine und einer zulaufenden Materialbahn von einer neuen, vollen Bobine zu einer Einrichtung zum Verbinden der Materialbahnen, Verbinden beider Materialbahnen und Entsorgen nicht zur Verarbeitung geeigneter Materialstreifen, nämlich eines Vorspanns der neuen Bobine sowie eines Restmaterials der alten Bobine.The invention further relates to a method for changing Bobbin comprising the steps: feeding a running material web from a old, almost completely expired bobbin and an incoming material web from a new, full bobbin to a device for connecting the material webs, Joining both material webs and disposing of them are not suitable for processing Strips of material, namely a leader of the new bobbin and a residual material the old bobbin.

In der tabakverarbeitenden Industrie ist es üblich, bei der Herstellung z.B. von Zigaretten die Materialbahnen aus Zigarettenpapier, Filterpapier oder dergleichen, die auf sogenannten Bobinen aufgewickelt sind, automatisiert zu Verbinden, damit eine kontinuierliche Produktion erfolgen kann. Dies kann durch Rändeln, Prägen, Kleben oder andere übliche Verbindungstechniken erfolgen. Dabei wird eine ablaufende Materialbahn einer bereits weitestgehend abgewickelten Bobine mit einer zulaufenden Materialbahn einer neuen, vollen Bobine verbunden. Durch das Verbinden der Materialbahnen bei hoher Geschwindigkeit entstehen jedoch zwangsläufig nicht zur Verarbeitung geeignete Materialreste, und zwar einerseits durch einen beim Öffnen der neuen, noch nicht abgewickelten Bobinen entstehenden ersten Materialstreifen, auch Vorspann genannt, und andererseits durch einen nicht vollständig von der alten Bobine abgewickelten Materialstreifen, der auch als Restmaterial bezeichnet wird. Sowohl der Vorspann als auch das Restmaterial müssen von der kontinuierlichen und aus zwei einzelnen Materialbahnen gebildeten, zur Verarbeitung gelangenden Materialbahn getrennt und entsorgt werden.It is common in the tobacco processing industry to manufacture e.g. of Cigarettes are the webs of cigarette paper, filter paper or the like are wound up on so-called bobbins, to connect automatically so that one continuous production can take place. This can be done by knurling, embossing, gluing or other common connection techniques. This will be an expiring Material web of an already largely developed bobbin with a tapered one Material web connected to a new, full bobbin. By connecting the However, material webs at high speed do not necessarily arise Processing suitable material residues, on the one hand by opening the new, not yet developed bobbins, the first strips of material are created, too The opening credits and, on the other hand, not completely from the old Bobine developed strips of material, which is also referred to as residual material. Both the The leader as well as the rest of the material must be of continuous and two individual material webs formed, material web to be processed be separated and disposed of.

Bei bekannten Vorrichtungen wird der Vorspann bzw. das Restmaterial durch separate Trennelemente, z.B. Messer, getrennt, mittels des Venturi-Prinzips vom Kern der Bobinen durch Abwickeln und Absaugen gelöst und über ein Rohrsystem in einen Aufnahmebehälter, den sogenannten Schußkasten, gefördert. Dort wird das aus Vorspann und Restmaterial gebildete Schußmaterial verdichtet, indem die abgetrennten Materialstreifen mit einem Stampfer oder dergleichen komprimiert werden. Sobald der Schußkasten eine bestimmte Füllhöhe erreicht hat, wird er manuell geleert und gereinigt.In known devices, the leader or the residual material is separated Separating elements, e.g. Knives separated from the core of the Venturi principle Bobbins loosened by unwinding and vacuuming and into a pipe system Receiving container, the so-called shot box, promoted. There it will be The leader and residual material formed shot material compressed by the separated Strips of material are compressed with a tamper or the like. Once the Shot box has reached a certain level, it is manually emptied and cleaned.

Die bekannten Vorrichtungen bzw. Verfahren weisen allerdings den Nachteil auf, daß sie aufgrund des komplexen Aufbaus eine hohe Teilevielfalt aufweisen, was zu hohen Kosten bei der Herstellung und der Wartung führt. Des weiteren sind die Vorrichtungen bzw. die Verfahren - bedingt durch die Venturidüsen - sehr geräuschintensiv. Auch ist die Entsorgung, insbesondere das Entleeren des Schußkastens, bzw. die Reinigung desselben sowie der Umgebung sehr aufwendig. Weiterhin weist das entsorgte Restmaterial ein sehr großes Volumen auf, was die Handhabung und Entsorgung insgesamt erschwert.However, the known devices and methods have the disadvantage that due to the complex structure, they have a large variety of parts, which is too high Manufacturing and maintenance costs. Furthermore, the devices and the process - due to the Venturi nozzles - very noise-intensive. Is too disposal, in particular emptying the firing box, or cleaning the same as well as the environment very expensive. Furthermore, the disposed Residual material has a very large volume on what handling and disposal overall difficult.

Es ist daher Aufgabe der vorliegenden Erfindung, eine einfach handhabbare Vorrichtung zu schaffen, die geeignet ist, Schußmaterial sicher, zuverlässig und platzsparend zu entsorgen. Des weiteren ist es Aufgabe der Erfindung, ein Verfahren vorzuschlagen, mit dem Schußmaterial sicher, zuverlässig und platzsparend entsorgt werden kann.It is therefore an object of the present invention to provide an easy to handle To provide a device that is suitable for shooting material safely, reliably and disposal to save space. Furthermore, it is an object of the invention to provide a method propose to dispose of the shot material safely, reliably and in a space-saving manner can be.

Diese Aufgabe wird zum einen durch eine Vorrichtung der eingangs genannten Art dadurch gelöst, daß das Mittel mindestens eine Wickelvorrichtung zur Aufnahme und zum Entsorgen eines nicht zur Verarbeitung geeigneten Materialstreifens umfaßt. Durch die Wickelvorrichtung läßt sich ein verdichteter, also komprimierter Ballen aus Schußmaterial bilden, der auf einfache Weise in den Schußbehälter geleitet werden kann. Diese definierte Aufnahme des Schußmaterials gewährleistet eine einfache Handhabung sowie eine einfache und saubere, insbesondere Staub vermeidende Entsorgung des Schußmaterials. Besonders vorteilhaft ist auch die Lärmreduzierung durch das Vorsehen der Wickelvorrichtung für das Schußmaterial.This task is achieved on the one hand by a device of the type mentioned solved in that the means at least one winding device for receiving and for disposing of a strip of material not suitable for processing. By the wrapping device can be a compacted, so compressed bale Form shot material that are easily passed into the shot container can. This defined recording of the shot material ensures easy Handling as well as a simple and clean, especially dust-avoiding Disposal of the shot material. Noise reduction is also particularly advantageous by providing the winder for the shot material.

Vorteilhafterweise ist die Wickelvorrichtung zur Aufnahme und zum Entsorgen eines Vorspanns der neuen, vollen Bobine in Transportrichtung der Materialbahnen hinter der Einrichtung zum Verbinden und die andere Wickelvorrichtung zur Aufnahme und zum Entsorgen eines Restmaterials von der alten, nahezu vollständig abgelaufenen Bobine in Transportrichtung der Materialbahnen vor der Einrichtung zum Verbinden angeordnet. Dadurch ist auf platzsparende Weise die Aufnahme und Entsorgung des gesamten Schußmaterials gewährleistet, das zudem noch leicht abgeführt werden kann, ohne die Umgebung zu verunreinigen.The winding device is advantageously for receiving and disposing of one Leader of the new, full bobbin in the direction of transport of the material web behind the Device for connecting and the other winding device for receiving and for Dispose of residual material from the old, almost completely expired bobbin in Transport direction of the material webs arranged in front of the device for connecting. This saves and takes up the whole in a space-saving manner Shot material guaranteed that can also be easily removed without the Contaminate the environment.

In einer bevorzugten Ausführungsform ist mindestens eine Wickelvorrichtung zusätzlich als Trennmittel ausgebildet. Dadurch können zum einen Einzelteile eingespart werden, was die Kosten und den Wartungsaufwand reduziert. Zum anderen ist die Handhabung besonders vereinfacht, da das Abtrennen durch die ohnehin rotierenden Wickelvorrichtungen bzw. Spulen erfolgen kann.In a preferred embodiment there is at least one winding device additionally designed as a release agent. On the one hand, this allows individual parts can be saved, which reduces costs and maintenance. On the other hand the handling is particularly simplified, since the separation by the anyway rotating winding devices or coils can take place.

Des weiteren wird die Aufgabe durch ein Verfahren mit den eingangs genannten Schritten dadurch gelöst, daß mindestens ein Materialstreifen aufgewickelt und automatisiert entsorgt wird. Dadurch lassen sich komprimierte Ballen aus den nicht zur Verarbeitung geeigneten Materialstreifen formen, die eine wesentlich vereinfachte und verbesserte, staubfreie Entsorgung ermöglichen.Furthermore, the task is accomplished by a method with the aforementioned Steps solved in that at least one strip of material is wound up and is disposed of automatically. This means that compressed bales cannot be removed from the Processing suitable material strips form a much simplified and enable improved, dust-free disposal.

Vorzugsweise werden sowohl der Vorspann als auch das Restmaterial aufgewickelt und dadurch komprimiert, wodurch sich das Volumen des Schußmaterials insgesamt weiter verringert.Preferably, both the leader and the residual material are wound up and thereby compressed, whereby the volume of the weft material overall further reduced.

Weitere Merkmale und bevorzugte Ausführungsformen sowie vorteilhafte Schritte ergeben sich aus den Unteransprüchen und der Beschreibung. Eine besonders bevorzugte Ausführungsform sowie das Verfahren werden anhand einer Zeichnung näher erläutert. In der Zeichnung zeigt:

Fig. 1
eine schematische Darstellung einer Vorrichtung zum Wechseln von Bobinen,
Fig. 2a bis 2c
ein Einzelteil, nämlich eine Spule zum Aufnehmen eines Materialstreifens, der Vorrichtung gemäß Figur 1 mit aufzuwickelndem bzw. aufgewickeltem Materialstreifen in unterschiedlichen Zuständen, und
Fig. 3
ein Einzelteil, nämlich eine weitere Ausführungsform einer Spule, der Vorrichtung gemäß Figur 1.
Further features and preferred embodiments as well as advantageous steps result from the subclaims and the description. A particularly preferred embodiment and the method are explained in more detail with reference to a drawing. The drawing shows:
Fig. 1
1 shows a schematic representation of a device for changing bobbins,
2a to 2c
a single part, namely a coil for receiving a strip of material, the device according to Figure 1 with wound or wound material strip in different states, and
Fig. 3
a single part, namely a further embodiment of a coil, the device of Figure 1.

Die in den Figuren dargestellten Vorrichtungen dienen zum Wechseln von Bobinen, insbesondere zum Verbinden zweier Materialbahnen beim Bobinenwechsel mit laufender Spleißung in einem Bobinenautomat.The devices shown in the figures are used for changing bobbins, in particular for connecting two material webs when changing bobbins ongoing splicing in a reel machine.

Die Vorrichtung 10 zum Wechseln bzw. Verbinden von Bobinen umfaßt eine erste Aufnahme 11. Auf dieser Aufnahme 11 ist eine erste Bobine 12 angeordnet. Die Bobine 12 ist aus einem Kern 13 gebildet, auf den eine Materialbahn 14 gewickelt ist. Des weiteren weist die Vorrichtung 10 eine weitere Aufnahme 15 zur Aufnahme einer zweiten Bobine 16 auf. Die Bobine 16 weist ebenfalls einen Kern 17 auf, auf den eine Materialbahn 18 gewickelt ist. Beide Bobinen 12, 16 sind jeweils über einen eigenen Antrieb 19 bzw. 20 antreibbar. An die beiden Bobinen 12, 16 schließt sich in Transportrichtung der Materialbahnen 14, 18 eine Einrichtung 21 zum Verbinden der Materialbahnen 14, 18 an. Im gezeigten Ausführungsbeispiel ist die Einrichtung 21 aus zwei Walzen 22, 23 gebildet, die jeweils über einen eigenen Antrieb 24 bzw. 25 verfügen. Die Umfangsfläche 26 der Walze 22 bildet eine glatte Rändelfläche 27. Die Walze 23 weist ein Segment 28 auf, das auf seiner der Walze 23 abgewandten Oberfläche 29 eine strukturierte Rändelfläche 30 aufweist. Der Abstand der Walzen 22, 23 bzw. deren Rotationsachsen 31, 32 ist variabel einstellbar und in Abhängigkeit der Materialstärke der zu verbindenden Materialbahnen 14, 18 derart gewählt, daß sich die Materialbahnen 14, 18 durch Quetschung zwischen der Walze 22 und dem Segment 28 verbinden. Andere Einrichtungen zum Verbinden, beispielsweise Klebevorrichtungen oder dergleichen sind jedoch ebenfalls verwendbar.The device 10 for changing or connecting bobbins comprises a first one Recording 11. A first bobbin 12 is arranged on this recording 11. The bobbin 12 is formed from a core 13 on which a material web 14 is wound. Of Furthermore, the device 10 has a further receptacle 15 for receiving a second bobbin 16. The bobbin 16 also has a core 17 on which one Material web 18 is wound. Both bobbins 12, 16 each have their own Drive 19 or 20 can be driven. The two bobbins 12, 16 follow in Transport direction of the material webs 14, 18, a device 21 for connecting the Material webs 14, 18. In the exemplary embodiment shown, the device 21 is off two rollers 22, 23 are formed, each with its own drive 24 or 25 feature. The peripheral surface 26 of the roller 22 forms a smooth knurled surface 27. Die Roller 23 has a segment 28 which on its side facing away from roller 23 Surface 29 has a structured knurled surface 30. The distance between the rollers 22, 23 or their axes of rotation 31, 32 is variably adjustable and depending on the Material thickness of the material webs 14, 18 to be connected selected such that the Material webs 14, 18 by pinching between the roller 22 and the segment 28 connect. Other means of connection, for example gluing devices or the like can also be used.

In Transportrichtung, angedeutet durch den Pfeil 33, der Materialbahnen 14, 18 vor der Einrichtung 21 ist eine erste Wickelvorrichtung 34 angeordnet. Die Wickelvorrichtung 34 ist quasi innerhalb der Materialbahn 14 angeordnet, derart, daß die Materialbahn 14 durch die Wickelvorrichtung 34 läuft bzw. in dieser eingefädelt ist. Die Wickelvorrichtung 34 weist eine Spule 35 auf. Die Spule 35 ist rotierend antreibbar und zwar durch einen Antrieb 36. In Transportrichtung hinter der Einrichtung 21 ist eine zweite Wickelvorrichtung 37 angeordnet, die ebenfalls eine rotierend antreibbare Spule 38 aufweist. Hierzu ist die Spule 38 an einen Antrieb 39 angeschlossen. Die Spule 38 ist innerhalb der Materialbahn 18 angeordnet, derart, daß ein freies Ende 40 der Materialbahn 18 durch die Wickelvorrichtung 37 läuft bzw. in dieser eingefädelt ist.In the transport direction, indicated by the arrow 33, the material webs 14, 18 in front of the Device 21 is arranged a first winding device 34. The winding device 34 is arranged virtually within the material web 14 in such a way that the material web 14 runs through the winding device 34 or is threaded therein. The winding device 34 has a coil 35. The coil 35 can be driven to rotate, specifically by a drive 36. In the transport direction behind the device 21 there is a second one Winding device 37 arranged, which is also a rotatingly driven coil 38th having. For this purpose, the coil 38 is connected to a drive 39. The coil 38 is arranged within the material web 18 such that a free end 40 of the Material web 18 runs through the winding device 37 or is threaded therein.

Die Spulen 35, 38, die auch durch andere übliche Wickelelemente ersetzt werden können, weisen Aufnahmen zur Aufnahme der Materialbahnen 14, 18 auf. Die Aufnahmen können z.B. durch einen Schlitz 41 gebildet sein (siehe Figur 3). Eine andere Möglichkeit besteht z.B. darin, mehrere um den Umfang einer Scheibe 42 verteilte Stifte 43 vorzusehen. Die Stifte 43 sind beabstandet zueinander und gleichmäßig über den Umfang verteilt, so daß ebenfalls ein Schlitz 41 gebildet ist (siehe Figuren 2a bis 2c). Durch Rotation der Spulen 35, 38 sind die in den Schlitz 41 bzw. zwischen den Stiften 43 eingefädelten Materialbahnen 14, 18 aufwickelbar. Um die aufgewickelten Materialbahnen 14, 18 von der Spule 35, 38 abschieben zu können, ist die Spule 35, 38 im Beispiel der Ausführungsform gemäß Figur 3 in ihrer axialen Längserstreckung verschiebbar ausgebildet, so daß die Materialbahn 14, 18 beim Zurückziehen der Spule 35, 38 durch einen innenseitig verzahnten Abstreifer 44 oder dergleichen abschiebbar bzw. abstreifbar ist. Im Beispiel der Ausführungsform gemäß Figur 2 weist die Spule 35, 38 zusätzlich zur Scheibe 42 eine Abstreiferscheibe 44 auf, die in axialer Richtung der Spule 35, 38 bewegbar ist. Diese Abstreiferscheibe 44 ist auf den Stiften 43 geführt. Es ist auch eine überlagerte axiale Bewegung von Abstreifer 44 bzw. Abstreiferscheibe 44 einerseits und Spule 35, 38 andererseits vorstellbar. The coils 35, 38, which are also replaced by other conventional winding elements can have recordings for receiving the material webs 14, 18. The Recordings can e.g. be formed by a slot 41 (see Figure 3). A another possibility is e.g. therein, several around the circumference of a disk 42 to provide distributed pins 43. The pins 43 are spaced apart from one another and evenly distributed over the circumference, so that a slot 41 is also formed (see Figures 2a to 2c). By rotating the coils 35, 38, the slots 41 and material webs 14, 18 threaded between the pins 43 can be wound up. To the wound material webs 14, 18 can be pushed off the spool 35, 38 the coil 35, 38 in the example of the embodiment according to FIG. 3 in its axial Longitudinal extension slidable, so that the material web 14, 18 at Retraction of the coil 35, 38 by an internally toothed scraper 44 or The like can be pushed off or stripped off. In the example of the embodiment according to FIG. 2 has the spool 35, 38 in addition to the disk 42, a stripper disk 44, which is movable in the axial direction of the coil 35, 38. This scraper disc 44 is on led the pins 43. It is also a superimposed axial movement of wiper 44 or scraper disc 44 on the one hand and coil 35, 38 on the other hand conceivable.

Sämtliche Antriebe 19, 20, 24, 25, 36, 39 sind an einer gemeinsamen Steuerung 51 angeschlossen. Die Steuerung 51 steuert die Zeitpunkte und die Rotations-Geschwindigkeiten der einzelnen Bobinen 12, 16 bzw. Walzen 22, 23 bzw. Spulen 35, 38. Die Zeitpunkte und die Rotations-Geschwindigkeiten der Bobinen 12, 16, der Walzen 22, 23 sowie der Spulen 35, 38 sind individuell steuer- bzw. regelbar.All drives 19, 20, 24, 25, 36, 39 are on a common control 51 connected. The controller 51 controls the times and the rotation speeds of the individual bobbins 12, 16 or rollers 22, 23 or spools 35, 38. The times and the rotational speeds of the bobbins 12, 16, the Rollers 22, 23 and the coils 35, 38 can be individually controlled or regulated.

Im Bereich zwischen der Einrichtung 21 und der Wickelvorrichtung 34 ist im Bereich der Materialbahn 14 ein Mittel zur Fixierung der Materialbahn 14 angeordnet. Vorzugsweise oberhalb der Materialbahn 14 ist das Mittel, das als Saugleiste 60 ausgebildet ist, verstellbar angeordnet. Die Saugleiste 60 bewirkt, sobald sie in Eingriff mit der Materialbahn 14 ist, daß eine Zugkraft auf die Materialbahn aufgebracht wird, die entgegengesetzt zur Transportrichtung gemäß Pfeil 33 wirkt. Die Saugleiste 60 kann jedoch auch durch andere übliche Mittel zur Fixierung ersetzt werden.In the area between the device 21 and the winding device 34 is in the area the material web 14 is arranged a means for fixing the material web 14. The means that acts as a suction bar 60 is preferably above the material web 14 is formed, arranged adjustable. The squeegee 60 acts as soon as it engages with the material web 14 is that a tensile force is applied to the material web, which acts opposite to the direction of transport according to arrow 33. The suction bar 60 can but can also be replaced by other conventional means of fixation.

Des weiteren ist in Transportrichtung der Materialbahnen 14, 18 hinter der Einrichtung 21 im Bereich der zur Verarbeitung gelangenden Materialbahn (in der Ausführungsform gemäß Figur 1 die Materialbahn 14) ein Mittel angeordnet, das zur Speicherung der Materialbahn 14 sowie zum Ausgleich von Geschwindigkeitsdifferenzen dient. Dieses Mittel weist eine sogenannte Tänzervorrichtung 62 auf, die aus mehreren Rollen bzw. Walzen gebildet ist. Mindestens eine der Walzen ist federbelastet und in Richtung des Pfeils 62 bewegbar. Die Materialbahn 14 ist in diese Tänzervorrichtung 62 eingefädelt. Für den Fall, daß die nachfolgende Maschine mehr Material benötigt, als tatsächlich von der Bobine 12 geliefert wird, wird dieses aus dem Speicher bzw. Puffer gezogen, so daß Geschwindigkeitsdifferenzen beim Transport der Materialbahn 14 ausgleichbar sind. Entsprechend funktioniert das Prinzip auch bei anderen Materialbahnen.Furthermore, in the direction of transport of the material webs 14, 18 is behind the device 21 in the area of the material web to be processed (in the embodiment 1, the material web 14) arranged a means for storing the Material web 14 and to compensate for speed differences. This Means has a so-called dancer device 62, which consists of several roles or Rolling is formed. At least one of the rollers is spring loaded and in the direction of the Arrow 62 movable. The material web 14 is threaded into this dancer device 62. In the event that the subsequent machine needs more material than actually from the bobbin 12 is delivered, this is pulled from the memory or buffer so that Speed differences during the transport of the material web 14 can be compensated. The principle also works accordingly for other material webs.

Im folgenden wird das Verfahrensprinzip der vorliegenden Erfindung näher beschrieben:
In der tabakverarbeitenden Industrie werden streifenförmige Materialbahnen 14, 18, wie z.B. Zigarrettenpapier, kontinuierlich verarbeitet. Hierzu wird das Zigarrettenpapier von einer sogenannten Bobine abgewickelt. Sobald eine alte Bobine 12 nahezu abgewickelt, also fast leer ist, muß die ablaufende Materialbahn 14 der alten Bobine 12 mit einer zulaufenden Materialbahn 18 einer neuen, noch vollen Bobine 16 verbunden werden. The method principle of the present invention is described in more detail below:
In the tobacco processing industry, strip-shaped material webs 14, 18, such as cigarette paper, are processed continuously. For this purpose, the cigarette paper is unwound from a so-called bobbin. As soon as an old bobbin 12 is almost unwound, that is to say almost empty, the running material web 14 of the old bobbin 12 must be connected to an incoming material web 18 of a new, still full bobbin 16.

Bei diesem Vorgang, der auch als laufende Spleißung bezeichnet wird, fallen sowohl bei der alten Bobine 12 als auch bei der neuen Bobine 16 nicht zur Verarbeitung geeignete bzw. nicht zu verarbeitende Materialstreifen 52, 53 an. Ein erster Materialstreifen 53, der entsorgt werden muß, ist der sogenannte Vorspann, der beim Öffnen einer neuen, vollen Bobine 16 entsteht. Ein zweiter Materialstreifen 52 ist das auf dem Kern 13 der Bobine 12 verbleibende Restmaterial der alten, nahezu leeren Bobine 12.In this process, also known as ongoing splice, both fall not for processing with the old Bobine 12 as well as with the new Bobine 16 suitable or not to be processed strips of material 52, 53. A first one Strip of material 53, which must be disposed of, is the so-called leader, which at Opening a new, full bobbin 16 is created. A second strip of material 52 is that on the core 13 of the bobbin 12 remaining material of the old, almost empty Bobine 12

Beim kontinuierlichen Betrieb z.B. einer Zigarettenherstellmaschine wird das Zigarettenpapier von einer Bobine 12 abgewickelt. Das Zigarettenpapier, also die Materialbahn 14 bzw. ein Materialstreifen 52, ist in der Spule 35 eingefädelt und durch die Einrichtung 21 zum Verbinden der Materialbahnen 14, 18 geführt. Die Materialbahn 14 wird über Walzen 45, 46 in Richtung einer weiteren Verarbeitung (siehe Pfeil 47) mit vorgegebener Transport-Geschwindigkeit v1 abgezogen. Bevor die Materialbahn 14 vollständig von der Bobine 12 abgewickelt ist, muß sie mit der Materialbahn 18 der neuen vollen Bobine 16 während des laufenden Betriebs, also bei kontinuierlich geförderten Materialbahnen 14, 18, verbunden werden. Hierzu ist die Materialbahn 18 bereits vor dem Verbinden in die Einrichtung 21 eingefädelt, so daß die Materialbahnen 14, 18 im Bereich der Einrichtung 21 etwa parallel zueinander verlaufen. Das freie Ende 40 bzw. der Materialstreifen 53 der Materialbahn 18 ist hinter der Einrichtung 21 in der Spule 38 eingefädelt. Die Spule 38 ist permanent angetrieben, so daß die auf der Bobine 16 aufgewickelte Materialbahn 18 vorgespannt ist, da die Bobine 16 zunächst steht. Daher ist die Materialbahn 18 in einem stationären Zustand. Die wie eine endlose Feder wirkende Spule 38 hält also die Materialbahn 18 bzw. den Materialstreifen 53 unter Spannung. Zusätzlich ist die Spule 38 mit einer Trägheitsmasse derart ausgebildet, daß die Spule 38 schnellen Geschwindigkeitsänderungen nicht folgen kann.In the continuous operation of, for example, a cigarette manufacturing machine, the cigarette paper is unwound from a bobbin 12. The cigarette paper, that is to say the material web 14 or a material strip 52, is threaded into the spool 35 and passed through the device 21 for connecting the material webs 14, 18. The material web 14 is drawn off via rollers 45, 46 in the direction of further processing (see arrow 47) at a predetermined transport speed v 1 . Before the material web 14 is completely unwound from the bobbin 12, it must be connected to the material web 18 of the new full bobbin 16 during operation, that is to say with continuously conveyed material webs 14, 18. For this purpose, the material web 18 is already threaded into the device 21 before the connection, so that the material webs 14, 18 run approximately parallel to one another in the area of the device 21. The free end 40 or the material strip 53 of the material web 18 is threaded behind the device 21 in the spool 38. The spool 38 is permanently driven, so that the material web 18 wound on the bobbin 16 is biased, since the bobbin 16 is initially stationary. Therefore, the material web 18 is in a stationary state. The coil 38, which acts like an endless spring, therefore holds the material web 18 or the material strip 53 under tension. In addition, the coil 38 is designed with an inertial mass such that the coil 38 cannot follow rapid changes in speed.

Für den Fall, daß die Materialbahnen 14, 18 nunmehr miteinander verbunden werden sollen, wird vor dem Einleiten des eigentlichen Verbindungsprozesses durch Rändeln zunächst die Bobine 16 beschleunigt, und zwar auf eine Geschwindigkeit v2, die größer ist als die ursprüngliche Transport-Geschwindigkeit v1 der Materialbahn 14 während der Verarbeitung. Durch das Vorschieben der Materialbahn 18 wickelt sich nunmehr auch das freie Ende 40 der Materialbahn 18 bzw. der Materialstreifen 53 um die angetriebene Spule 38, und zwar mit der durch die Bobine 16 vorgegebenen Geschwindigkeit v2.In the event that the material webs 14, 18 are now to be connected to one another, the bobbin 16 is first accelerated by knurling before the actual connection process is initiated, specifically to a speed v 2 that is greater than the original transport speed v 1 the material web 14 during processing. By advancing the material web 18, the free end 40 of the material web 18 or the material strip 53 now also wraps around the driven spool 38, specifically at the speed v 2 predetermined by the bobbin 16.

Ebenfalls vor dem Einleiten des Verbindungsprozesses oder während desselben wird die Materialbahn 14, die zunächst mit der Transport-Geschwindigkeit v1 während der Verarbeitung gefördert wird, auf eine Geschwindigkeit v3 abgebremst, wobei v2>v1>v3 ist. Das Abbremsen der Materialbahn 14 erfolgt im wesentlichen über den Antrieb 19 der Bobine 12. Zusätzlich wird die Saugleiste 60 vorzugsweise kurz vor dem eigentlichen Verbindungsprozeß eingeschaltet, die die Materialbahn 14 bzw. den Materialstreifen 52 quasi festhält bzw. eine Zugkraft auf die Materialbahn 14 entgegen der durch den Pfeil 33 angedeuteten Transportrichtung aufbringt. Sobald die Saugleiste 60 in Eingriff mit der Materialbahn 14 ist, steigt die Spannung der Materialbahn 14 zwischen der Einrichtung 21 und der Saugleiste 60 noch weiter an, ohne die Geschwindigkeit zu verändern. Die sich aus dem Abbremsen der Materialbahn 14 - bedingt durch den Antrieb 19 - ergebende Materialdifferenz wird bei kontinuierlich fortlaufender Verarbeitung hinter der Einrichtung 21 mit der Geschwindigkeit v1 mittels der Tänzervorrichtung 62 ausgeglichen, die als Puffer bzw. Speicher ausgebildet ist.Likewise before the initiation of the connection process or during the same, the material web 14, which is initially conveyed at the transport speed v 1 during processing, is braked to a speed v 3 , where v 2 > v 1 > v 3 . The braking of the material web 14 takes place essentially via the drive 19 of the bobbin 12. In addition, the suction bar 60 is preferably switched on shortly before the actual connection process, which virtually holds the material web 14 or the material strip 52 or a tensile force on the material web 14 against the applied by the arrow 33 indicated transport direction. As soon as the suction bar 60 is in engagement with the material web 14, the tension of the material web 14 between the device 21 and the suction bar 60 rises further without changing the speed. The material difference resulting from the braking of the material web 14 - due to the drive 19 - is compensated for by the dancer device 62, which is designed as a buffer or memory, in the case of continuously ongoing processing behind the device 21 at the speed v 1 .

Nachdem der Verbindungsprozeß eingeleitet ist, und zwar unmittelbar mit Kontakt einer ersten Kante 49 des Segments 28 mit der Walze 22, steigt die Spannung der Bahn, also des Materialstreifens 53 hinter der Einrichtung 21 an. Die Spannungssteigerung ist in erster Linie ein Ergebnis der Geschwindigkeitsdifferenz zwischen der mit der Geschwindigkeit v2 geförderten Materialbahn 18 vor dem Kontakt des Segmentes 28 mit der Walze 22 und der Geschwindigkeit der Materialbahn 18 während des Kontaktes zwischen dem Segment 28 und der Walze 22, die vorzugsweise etwa der Geschwindigkeit v1 entspricht, in jedem Falle jedoch kleiner als v2 ist. Bedingt durch die Massenträgheit der Spule 38 kann diese der abrupten Geschwindigkeitsdifferenz v2v1 nicht folgen. Mit anderen Worten wird die Materialbahn 18 beim Kontakt des Segments 28 mit der Walze 22 von v2 auf v1 abgebremst, während die Spule 38 mit v2 weiter dreht. Dadurch wird die Materialbahn 18 bzw. der Materialstreifen 53 zwischen der Wickelvorrichtung 37 und der Einrichtung 21 zum Verbinden derart unter Spannung gesetzt, was bei einer bestimmten Belastung zum Abtrennen des Materialstreifens 53 hinter der Einrichtung 21 führt. Üblicherweise reißt der Materialstreifen 53 an der durch die Kante 49 geschwächten Stelle. Die Spule 38 wird dann solange rotierend angetrieben, bis das abgerissenen Ende der Materialbahn 18, nämlich der Materialstreifen 53 vollständig aufgewickelt und dadurch komprimiert ist. Anschließend wird der komprimierte, aufgewickelte Vorspann automatisiert entsorgt, indem er von der Spule 38 geschoben wird. Hierzu wird entweder die Spule 38 selbst oder ein Hilfsmittel wie z.B. die Abstreiferscheibe 44 axial bewegt. Das komprimierte Schußmaterial fällt in einen (nicht dargestellten) Behälter, der leicht angehoben und entleert werden kann.After the connection process has been initiated, specifically when a first edge 49 of the segment 28 comes into contact with the roller 22, the tension of the web, that is to say of the material strip 53 behind the device 21, increases. The increase in tension is primarily a result of the speed difference between the material web 18 being conveyed at the speed v 2 prior to the contact of the segment 28 with the roller 22 and the speed of the material web 18 during the contact between the segment 28 and the roller 22, which is preferably corresponds approximately to the speed v 1 , but in any case is less than v 2 . Due to the inertia of the coil 38, this cannot follow the abrupt speed difference v 2 v 1 . In other words, the material web 18 is braked from v 2 to v 1 when the segment 28 comes into contact with the roller 22, while the bobbin 38 continues to rotate with v 2 . As a result, the material web 18 or the material strip 53 is placed under tension between the winding device 37 and the device 21 for connecting, which leads to the material strip 53 being separated behind the device 21 under a certain load. The material strip 53 usually tears at the point weakened by the edge 49. The spool 38 is then driven in rotation until the torn end of the material web 18, namely the material strip 53, is completely wound up and thereby compressed. The compressed, wound leader is then automatically disposed of by being pushed off the spool 38. For this purpose, either the coil 38 itself or an auxiliary device such as the stripper disk 44 is moved axially. The compressed shot material falls into a container (not shown) that can be easily lifted and emptied.

Durch gegenläufiges Drehen der Walzen 22, 23 wird der Verbindungsprozeß weitergeführt, indem sich das Segment 28 auf der Umfangsfläche 26 der Walze 22 abrollt. Dadurch, daß das Segment 28 und die Walze 22 mit einer Geschwindigkeit von vorzugsweise etwa v1, in jedem Fall aber mit einer Geschwindigkeit, die größer als die Geschwindigkeit v3 ist, angetrieben werden, die Materialbahn 14 jedoch durch den Antrieb 19 auf die Geschwindigkeit v3 abgebremst wurde, wird eine Geschwindigkeitsdifferenz erzeugt, die zur Erhöhung der Spannung der Materialbahn 14 bzw. des Materialstreifens 52 zwischen der Einrichtung 21 und der Bobine 12 führt. Wenn jetzt die Einrichtung 21 die Materialbahnen 14 und 18 verbindet, und zwar etwa mit der Geschwindigkeit v1 der abziehenden Maschine, die in Transportrichtung hinter der Wechselvorrichtung angeordnet ist, wird die durch die Saugleiste 60 auf die Materialbahn 14 zusätzlich aufgebrachte Zugkraft bzw. die dadurch erhöhte Bahnspannung zwischen der Einrichtung 21 und der Saugleiste 60 dazu führen, daß die Materialbahn 14 im Bereich der Einrichtung 21 reißt. Kurz bevor eine hintere Kante 50 des Segments 28 in Anlage mit der Walze 22 ist bzw. unmittelbar nach Beendigung des Verbindungsprozesses, wird die Spule 35 angetrieben, so daß die Materialbahn 14 bzw. der Materialstreifen 52 aufgewickelt wird. Die Spule 35 wird solange rotierend angetrieben, bis der Materialstreifen 52 vollständig von der Bobine 12 abgewickelt und auf der Spule 35 aufgewickelt ist. Dabei wirkt die Saugleiste 60 als eine Fangeinrichtung, die das abgetrennte Ende der Materialbahn 52 solange hält, bis das Schußmaterial vollständig aufgewickelt ist. Anschließend wird das Restmaterial automatisch entsorgt, und zwar in gleicher Weise wie der Vorspann. Nunmehr kann der wieder verwendbare Kern 13 der Bobine 12 entnommen werden. Auf die Aufnahme 11 wird dann eine neue, volle Bobine gesetzt, die wiederum mit der nunmehr ablaufenden Materialbahn 18 der Bobine 16 verbunden werden kann.The connection process is continued by rotating the rollers 22, 23 in the opposite direction, in that the segment 28 rolls on the peripheral surface 26 of the roller 22. Characterized in that the segment 28 and the roller 22 are driven at a speed of preferably about v 1 , but in any case at a speed which is greater than the speed v 3 , but the material web 14 by the drive 19 to the speed v 3 has been braked, a speed difference is generated which leads to an increase in the tension of the material web 14 or the material strip 52 between the device 21 and the bobbin 12. If the device 21 now connects the material webs 14 and 18, specifically at the speed v 1 of the pulling-off machine, which is arranged behind the changing device in the transport direction, the additional tensile force exerted on the material web 14 by the suction bar 60, or the resultant force increased web tension between the device 21 and the suction bar 60 cause the material web 14 to tear in the area of the device 21. Shortly before a rear edge 50 of the segment 28 is in contact with the roller 22 or immediately after the connection process has ended, the spool 35 is driven so that the material web 14 or the material strip 52 is wound up. The spool 35 is driven in rotation until the material strip 52 is completely unwound from the bobbin 12 and wound on the spool 35. The suction bar 60 acts as a catching device which holds the severed end of the material web 52 until the weft material is completely wound up. The remaining material is then automatically disposed of in the same way as the header. The reusable core 13 can now be removed from the bobbin 12. A new, full bobbin is then placed on the receptacle 11, which in turn can be connected to the material web 18 of the bobbin 16 now running.

Claims (16)

Vorrichtung zum Wechseln von Bobinen, im wesentlichen umfassend eine Aufnahme (11) für eine erste Bobine (12), eine Aufnahme (15) für eine zweite Bobine (16), eine Einrichtung (21) zum Verbinden einer von der ersten Bobine (12) ablaufenden Materialbahn (14) mit einer von der zweiten Bobine (16) zulaufenden Materialbahn (18) sowie Mittel zur Aufnahme und zum Entsorgen nicht zur Verarbeitung geeigneter Materialstreifen beider Materialbahnen (14, 18), dadurch gekennzeichnet, daß das Mittel mindestens eine Wickelvorrichtung (34, 37) zur Aufnahme und zum Entsorgen eines nicht zur Verarbeitung geeigneten Materialstreifens (52, 53) umfaßt.Device for changing bobbins, essentially comprising a receptacle (11) for a first bobbin (12), a receptacle (15) for a second bobbin (16), a device (21) for connecting one of the first bobbins (12) running material web (14) with a material web (18) running in from the second bobbin (16) and means for receiving and disposing of material strips of both material webs (14, 18) that are not suitable for processing, characterized in that the means has at least one winding device (34 , 37) for receiving and disposing of a material strip (52, 53) not suitable for processing. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß zwei Wickelvorrichtungen (34, 37) zur Aufnahme und zum Entsorgen von nicht zur Verarbeitung geeigneter Materialstreifen (52, 53) vorgesehen sind.Device according to claim 2, characterized in that two winding devices (34, 37) are provided for receiving and disposing of material strips (52, 53) not suitable for processing. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Wickelvorrichtung (37) zur Aufnahme und zum Entsorgen eines Vorspanns der neuen, vollen Bobine (16) in Transportrichtung (33) der Materialbahnen (14, 18) hinter der Einrichtung (21) zum Verbinden angeordnet ist und die andere Wickelvorrichtung (34) zur Aufnahme und zum Entsorgen eines Restmaterials von der alten, nahezu vollständig abgelaufenen Bobine (12) in Transportrichtung (33) der Materialbahnen (14, 18) vor der Einrichtung (21) zum Verbinden angeordnet ist.Apparatus according to claim 2, characterized in that the winding device (37) for receiving and disposing of a leader of the new, full bobbin (16) in the transport direction (33) of the material webs (14, 18) is arranged behind the device (21) for connecting and the other winding device (34) for receiving and disposing of a residual material from the old, almost completely expired bobbin (12) in the transport direction (33) of the material webs (14, 18) is arranged in front of the device (21) for connecting. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß mindestens eine Wickelvorrichtung (34, 37) zusätzlich als Trennmittel ausgebildet ist.Device according to one of claims 1 to 3, characterized in that at least one winding device (34, 37) is additionally designed as a release agent. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sich jede Wickelvorrichtung (34 bzw. 37) im Bereich der jeweiligen Materialbahn (14 bzw. 18) bzw. der Materialstreifen (52, 53) befindet. Device according to one of claims 1 to 4, characterized in that each winding device (34 or 37) is located in the region of the respective material web (14 or 18) or the material strips (52, 53). Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zwischen der Einrichtung (21) und der Bobine (12) ein Mittel zum Fixieren der Materialbahn (14) angeordnet ist.Device according to one of claims 1 to 5, characterized in that a means for fixing the material web (14) is arranged between the device (21) and the bobbin (12). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jede Wickelvorrichtung (34, 37) eine rotierend antreibbare Spule (35, 38) oder dergleichen aufweist.Device according to one of claims 1 to 6, characterized in that each winding device (34, 37) has a rotatingly drivable coil (35, 38) or the like. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Spulen (35, 38) zur Aufnahme einer Materialbahn (14, 18) bzw. eines Materialstreifens (52, 53) ausgebildet sind.Device according to claim 7, characterized in that the coils (35, 38) are designed to receive a material web (14, 18) or a material strip (52, 53). Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Spulen (35, 38) einen Schlitz (41) aufweisen.Apparatus according to claim 7 or 8, characterized in that the coils (35, 38) have a slot (41). Vorrichtung nach einem der Ansprüche 7 bis 8, dadurch gekennzeichnet, daß die Spulen (35.38) Abstreiferscheiben (44) aufweisen, die in axialer Richtung der Spulen (35, 38) bewegbar sind.Device according to one of claims 7 to 8, characterized in that the coils (35.38) have stripper disks (44) which can be moved in the axial direction of the coils (35, 38). Vorrichtung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß die Spulen (35, 38) selbst in axialer Richtung bewegbar sind.Device according to one of claims 7 to 10, characterized in that the coils (35, 38) are themselves movable in the axial direction. Vorrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß im Bereich der zur Verarbeitung gelangenden Materialbahn hinter der Einrichtung (21) ein Speichermittel angeordnet ist.Device according to one of claims 1 to 11, characterized in that a storage means is arranged in the area of the material web to be processed behind the device (21). Verfahren zum Wechseln von Bobinen, umfassend die Schritte: Zuführen einer ablaufenden Materialbahn (14) von einer alten, nahezu vollständig abgelaufenen Bobine (12) und einer zulaufenden Materialbahn (18) von einer neuen, vollen Bobine (16) zu einer Einrichtung (21) zum Verbinden der Materialbahnen (14, 18), Verbinden beider Materialbahnen (14, 18), Entsorgen nicht zur Verarbeitung geeigneter Materialstreifen (52, 53), nämlich eines Vorspanns der neuen Bobine (16) sowie eines Restmaterials der alten Bobine (12), dadurch gekennzeichnet, daß mindestens ein Materialstreifen (52, 53) aufgewickelt und entsorgt wird. Procedure for changing bobbins, comprising the steps: Feeding a running material web (14) from an old, almost completely finished bobbin (12) and a running material web (18) from a new, full bobbin (16) to a device (21) for connecting the material webs (14, 18), Connecting both material webs (14, 18), Do not dispose of material strips (52, 53) suitable for processing, namely a leader of the new bobbin (16) and residual material from the old bobbin (12), characterized in that at least one strip of material (52, 53) is wound up and disposed of. Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß beide Materialstreifen (52, 53), nämlich der Vorspann und das Restmaterial, aufgewickelt und automatisiert entsorgt werden.A method according to claim 13, characterized in that both strips of material (52, 53), namely the leader and the remaining material, are wound up and disposed of automatically. Verfahren nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die Materialstreifen (52, 53) beim Aufwickeln komprimiert und nach dem vollständigen Aufwickeln von den entsprechenden Materialbahnen (14 bzw. 18) abgetrennt werden.A method according to claim 13 or 14, characterized in that the material strips (52, 53) are compressed during winding and are separated from the corresponding material webs (14 or 18) after complete winding. Verfahren nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die aufgewickelten Materialstreifen (52, 53) mit einer Linearbewegung von den Spulen (35, 38) abgestreift und in einem Schußbehälter aufgenommen werden.Method according to one of Claims 13 to 15, characterized in that the wound-up material strips (52, 53) are stripped from the coils (35, 38) with a linear movement and are received in a shot container.
EP03090085A 2003-03-27 2003-03-27 Device for exchange of bobbins Expired - Lifetime EP1462402B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES03090085T ES2271472T3 (en) 2003-03-27 2003-03-27 DEVICE FOR CHANGING COILS.
DE50305110T DE50305110D1 (en) 2003-03-27 2003-03-27 Device for changing bobbins
AT03090085T ATE340143T1 (en) 2003-03-27 2003-03-27 DEVICE FOR CHANGING BOBBINS
EP03090085A EP1462402B1 (en) 2003-03-27 2003-03-27 Device for exchange of bobbins
PL366654A PL208094B1 (en) 2003-03-27 2004-03-26 Method for exchange of bobbins and device for performing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03090085A EP1462402B1 (en) 2003-03-27 2003-03-27 Device for exchange of bobbins

Publications (2)

Publication Number Publication Date
EP1462402A1 true EP1462402A1 (en) 2004-09-29
EP1462402B1 EP1462402B1 (en) 2006-09-20

Family

ID=32798970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03090085A Expired - Lifetime EP1462402B1 (en) 2003-03-27 2003-03-27 Device for exchange of bobbins

Country Status (5)

Country Link
EP (1) EP1462402B1 (en)
AT (1) ATE340143T1 (en)
DE (1) DE50305110D1 (en)
ES (1) ES2271472T3 (en)
PL (1) PL208094B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657157A2 (en) * 2004-11-12 2006-05-17 TOSA S.r.l. A device for eliminating the trailing end that is formed in the film coming off wrapping machines for wrapping palletized loads when the reel of film is replaced
WO2017050478A1 (en) * 2015-09-22 2017-03-30 Krones Aktiengesellschaft Method for handling storage rollers with flat strip material, storage roller, and device for providing flat strip material
WO2024074301A1 (en) * 2022-10-04 2024-04-11 Körber Technologies Gmbh Device and method for connecting material webs for the production of energy cells

Citations (5)

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Publication number Priority date Publication date Assignee Title
DE1208969B (en) * 1962-06-03 1966-01-13 Grinten Chem L V D Method for connecting the beginning of the tape of a new roll with the end of an expiring roll
US5215276A (en) * 1990-12-21 1993-06-01 Kabushikigaisha Tokyo Kikai Seisakusho Remaining paper rewinding device in a printing system
US5474252A (en) * 1993-10-25 1995-12-12 Bachofen & Meier Ag Maschinenfabrik Unwinding machine with splicer
US5833168A (en) * 1997-01-24 1998-11-10 Kabushiki Kaisha Tokyo Kikai Seisakusho Residual paper web winding device
US6142408A (en) * 1998-02-06 2000-11-07 Focke & Co. Process and apparatus for connecting material webs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208969B (en) * 1962-06-03 1966-01-13 Grinten Chem L V D Method for connecting the beginning of the tape of a new roll with the end of an expiring roll
US5215276A (en) * 1990-12-21 1993-06-01 Kabushikigaisha Tokyo Kikai Seisakusho Remaining paper rewinding device in a printing system
US5474252A (en) * 1993-10-25 1995-12-12 Bachofen & Meier Ag Maschinenfabrik Unwinding machine with splicer
US5833168A (en) * 1997-01-24 1998-11-10 Kabushiki Kaisha Tokyo Kikai Seisakusho Residual paper web winding device
US6142408A (en) * 1998-02-06 2000-11-07 Focke & Co. Process and apparatus for connecting material webs

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1657157A2 (en) * 2004-11-12 2006-05-17 TOSA S.r.l. A device for eliminating the trailing end that is formed in the film coming off wrapping machines for wrapping palletized loads when the reel of film is replaced
EP1657157A3 (en) * 2004-11-12 2006-06-28 TOSA S.r.l. A device for eliminating the trailing end that is formed in the film coming off wrapping machines for wrapping palletized loads when the reel of film is replaced
US7444797B2 (en) 2004-11-12 2008-11-04 Tosa S.R.L. Device for eliminating the trailing end that is formed in the film coming off wrapping machines for wrapping palletized loads when the reel of film is replaced
WO2017050478A1 (en) * 2015-09-22 2017-03-30 Krones Aktiengesellschaft Method for handling storage rollers with flat strip material, storage roller, and device for providing flat strip material
WO2024074301A1 (en) * 2022-10-04 2024-04-11 Körber Technologies Gmbh Device and method for connecting material webs for the production of energy cells

Also Published As

Publication number Publication date
PL208094B1 (en) 2011-03-31
ES2271472T3 (en) 2007-04-16
EP1462402B1 (en) 2006-09-20
ATE340143T1 (en) 2006-10-15
PL366654A1 (en) 2004-10-04
DE50305110D1 (en) 2006-11-02

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