EP3102516A1 - Winding device for winding a web-shaped material and method for changing a spool in a winding device - Google Patents

Winding device for winding a web-shaped material and method for changing a spool in a winding device

Info

Publication number
EP3102516A1
EP3102516A1 EP14784236.3A EP14784236A EP3102516A1 EP 3102516 A1 EP3102516 A1 EP 3102516A1 EP 14784236 A EP14784236 A EP 14784236A EP 3102516 A1 EP3102516 A1 EP 3102516A1
Authority
EP
European Patent Office
Prior art keywords
winding
roll
still empty
winding device
empty roll
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
EP14784236.3A
Other languages
German (de)
French (fr)
Other versions
EP3102516B1 (en
Inventor
Gerd Ratz
Christian Heumann
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP3102516A1 publication Critical patent/EP3102516A1/en
Application granted granted Critical
Publication of EP3102516B1 publication Critical patent/EP3102516B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/10—Mechanisms in which power is applied to web-roll spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • B65H19/305—Inserting core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4181—Core or mandrel supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4181—Core or mandrel supply
    • B65H2301/41812—Core or mandrel supply by conveyor belt or chain running in closed loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/41829—Changing web roll positioning the core, e.g. in axial direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/20—Acceleration or deceleration
    • B65H2513/23—Acceleration or deceleration angular

Definitions

  • Winding device for winding a web-shaped material and method for changing a coil in a winding device
  • the invention relates to a winding device for winding a web-shaped material according to the preamble of patent claim 1 and a method for changing a roll in a winding device according to the preamble of patent claim 1.
  • Generic winding devices comprise a winding for receiving the web-shaped material. This material is brought by a contact roller to the current winding and pressed against the winding. Often, the contact roller is rotatable, but otherwise stationary stored in the machine frame of the winding device. If the current winding is completely wound, then a new winding must be available for the further winding process. The new, still empty roll is brought to the web-shaped material. Since the web-shaped material and the still empty roll attract each other at the latest in direct contact (this is for example a double-sided adhesive tape on the still empty winding or an electrostatic charge), the web-like material is cut through at the appropriate moment.
  • An empty reel consists of a winding shaft and usually of a winding core which has been pushed onto the winding shaft. Of the Winding core forms the winding together with the wound material. In principle, a winding or winding core is possible.
  • An empty reel is often stored in a reel magazine. If a roll change, an empty roll is removed from the magazine and conveyed by means for bringing the still empty roll to the contact roller until the roll touches the contact roller. At this moment, the winding is taken over by a holding device and usually connected to a winding drive, so that the winding, which has already taken up web-like material, can rotate at its own, defined peripheral speed. But it is also possible to let the winding driven solely by the contact roller.
  • the still empty roll is driven in rotation. He is often accelerated so far that its peripheral speed substantially corresponds to the peripheral speed of the contact roller.
  • the rotary drive of the still empty roll takes place in that a driven wheel is placed on the circumference of the roll, usually in the region of its pin.
  • this contact is canceled and the winding shaft rotates freely.
  • the pre-lead takes a comparatively long time, so the rotational movement of the coil has often slowed down, so that its peripheral speed is often significantly smaller than the peripheral speed of the contact roller.
  • a proper Anwickelclude is often no longer given.
  • the object of the present invention is therefore to develop the known winding device so that these disadvantages are avoided. According to the invention, this object is solved by the features of claim 1. Accordingly, it is additionally provided in a device according to the preamble of claim 1, that the means for rotating driving the still empty roll and the means for bringing the still empty roll to the contact roll at the same time on the still empty roll is acted upon.
  • the device for rotating the still empty roll acts on it.
  • the still empty winding is applied most of the time with a torque and is not kept free to rotate. Its rotational speed is thus controllable and can be adjusted so that its peripheral speed corresponds to the peripheral speed of the contact roller. An Anwickeln on this new, still empty winding is now possible without any loss of quality.
  • the device for rotationally driving the still empty roll comprises force transmission means which act on a toothed wheel arranged on the winding shaft of the roll.
  • Winding shafts which have already been used in winding devices according to the prior art, generally have a toothed wheel, by way of which these windings can be driven during the winding process. It is therefore advantageous to allow the device for rotating the still empty roll to act on this gear, so that a safe drive takes place.
  • the device for rotary driving according to the prior art only included a power transmission that worked on the principle of frictional engagement, which may, for example, lead to an incomplete power transmission when dirt had deposited on one of the components involved.
  • the power transmission means now comprise components that mesh with the described or another gear, so that slip is avoided.
  • the gear of the winding is preferably arranged on a journal of the roll, that is in the region which is free of winding tubes.
  • the device for rotational driving of the still empty roll comprises Power transmission means which are at least partially elongated.
  • the extension direction of this elongated part preferably runs parallel to the direction of travel of the device for bringing the still empty roll to the contact roll, so that the core idea of the invention can be realized in a simple manner.
  • the force transmission means comprise at least one link chain and / or a toothed belt. With these means, it is very easy to make and break a power transmission between the means for rotational driving the still empty roll and the winding.
  • the means mentioned are mechanically flexible and “slip" in the teeth of the gear, without causing great wear.
  • the device for rotational driving of the still empty roll comprises its own drive, which is preferably designed as an electric motor.
  • the device for rotationally driving the still empty roll comprises at least one holding element, which is movable relative to the machine frame of the winding device, preferably pivotable. This serves to easily establish or interrupt the drive connection between the rotational drive means and the winding.
  • force transmission means and / or the drive are arranged on the at least one retaining element.
  • Such an arrangement is mechanically simple to design and has a high reliability. If power transmission means and drive are arranged on the holding element, only the power cables required for energy transmission need to be designed so that they join in the movement of the holding element, which is usually not a problem.
  • the at least one retaining element is movable in a further embodiment by means of at least one actuator.
  • this includes one Pneumatic or hydraulic cylinder.
  • These cylinders are then components of a Hubkolbenzylinderü, which are simple and therefore inexpensive. In addition, neither large adjustment paths or exact positioning are necessary.
  • At least one sensor is provided. With this a signal can be output when the still empty roll has reached or fallen below a specified distance to the contact roller. This distance is very small and is in the range of up to two centimeters.
  • the signal is used to turn off the device for rotating the still empty roll from the roll.
  • the drive connection between the means for rotationally driving the still empty roll and the winding is interrupted before the roll comes into contact with the contact roller and / or the wound material web.
  • the winding rotates for a very short period of time without any positive drive and thus free, but the - hardly existing - speed decrease for the quality of the new coil without effect.
  • the above object is also achieved by a method for changing a reel according to claim 11. This is based on a procedure in which
  • a winding is provided for receiving the sheet-like material, the roll-shaped material is brought to the winding with a contact roller and pressed,
  • the inventive method is characterized by the fact that with the means for rotational driving of the still empty roll and with the Device for bringing the still empty roll to the contact roller is acted simultaneously on the still empty roll.
  • FIG. 1 Schematic side view of an inventive
  • Figures 1 to 3 each show the same schematic side view of a winding device 1 according to the invention, comprising a machine frame 2 and a rotatably mounted in this contact roller 3, which rotates in the direction of rotation R.
  • a sheet-shaped material 4 is supplied, which is wound on a winding 5.
  • a displacement device 6 which serves to bring a still empty roll 7 to the contact roller 3, in a manner not shown relative to the machine frame and relative to the contact roller - preferably linear - displaceable.
  • this displacement device 6 is in its initial position.
  • the roll 7 was fed from a winding magazine, not shown, and is now on the support means 8.
  • the winding 7 comprises a winding tube 9, for example a paper tube, a pin 10 and a gear 1 1 arranged thereon.
  • the gear 1 1 is in engagement with the toothed belt 12 of the device 13 for rotational driving of the still empty roll.
  • the toothed belt 12 is preferably a double toothed belt, i. H. it includes gears on both sides.
  • This device 13 further comprises a holding plate 14 which is pivotally mounted on the machine frame 2 about the bearing 15.
  • a pivot drive is a piston-cylinder unit 17, comprising a cylinder 18 which is articulated via the pivot bearing 20 on the machine frame 2, and a piston 19 which is articulated via the pivot bearing 21 on the support plate 14.
  • Arranged on the holding plate 14 are at least the toothed wheels 22 and 23, which are arranged and / or dimensioned such that the toothed belt 12 runs parallel to the displacement device 6, as already described. Other gears and pulleys can be provided.
  • the toothed belt 12 is driven by an electric motor 24 which acts on the toothed belt 12 in a manner not shown, preferably via a drive gear wheel.
  • the electric motor 24 is fixed to the holding plate 14.
  • FIG. 2 shows the same view as FIG. 1, but the displacement device 6 has already been brought a little closer to the contact roller 3. Not all reference numbers are reproduced in this FIG. 2, since essentially all components correspond to the representation in FIG. However, here a sensor 25 is indicated, which serves to determine whether the still empty roll 7 has already reached or fallen below a fixed, minimum distance to the contact roller 3.
  • FIG. 3 again shows all the components which have already been explained in connection with FIG. However, here the winding 7 has already come in contact with the contact roller 3, so that the roll change is just done or can take place.
  • the holding plate 14 with all its attachments has already been pivoted, so that the device 13 no longer acts on the winding 7.
  • the now completed winding 5 has been or is moved in the direction A and thus turned off by the contact roller 3. This winding 5 can now be removed.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

The invention relates to a winding device for winding a web-shaped material, preferably a plastic film, comprising: a spool for receiving the web-shaped material, a contact roller for leading the web-shaped material to and pressing the web-shaped material onto the spool, a device for rotationally driving a still empty spool, a device for leading the still empty spool to the contact roller. The still empty spool can be simultaneously acted upon by means of the device for rotationally driving the still empty spool and by means of the device for leading the still empty spool to the contact roller.

Description

Wickeleinrichtung zum Aufwickeln eines bahnförmigen Materials und Verfahren zum Wechsel eines Wickels in einer Wickeleinrichtung  Winding device for winding a web-shaped material and method for changing a coil in a winding device
Die Erfindung betrifft eine Wickeleinrichtung zum Aufwickeln eines bahnförmigen Materials nach dem Oberbegriff des Patenanspruchs 1 und ein Verfahren zum Wechsel eines Wickels in einer Wickeleinrichtung nach dem Oberbegriff des Patentanspruchs 1 1 . The invention relates to a winding device for winding a web-shaped material according to the preamble of patent claim 1 and a method for changing a roll in a winding device according to the preamble of patent claim 1.
Gattungsgemäße Wickeleinrichtungen umfassen einen Wickel zur Aufnahme des bahnförmigen Materials. Dieses Material wird durch eine Kontaktwalze an den aktuellen Wickel herangeführt und an den Wickel angedrückt. Oft ist die Kontaktwalze drehbar, aber sonst ortsfest in dem Maschinengestell der Wickeleinrichtung gelagert. Ist der aktuelle Wickel vollständig bewickelt, so muss ein neuer Wickel für den weiteren Wickelvorgang bereitstehen. Der neue, noch leere Wickel wird an das bahnförmige Material herangeführt. Da das bahnförmige Material und der noch leere Wickel spätestens bei direktem Kontakt sich gegenseitig anziehen (hierzu dient beispielsweise ein doppelseitiges Klebeband auf dem noch leeren Wickel oder eine elektrostatische Aufladung), ist das bahnförmige Material im passenden Moment durchzutrennen. In der Regel erfolgt dieser so genannte Anwickelvorgang, während oder kurz nachdem der noch leere Wickel an die Kontaktwalze angestellt wird oder wurde. Ein noch leerer Wickel besteht dabei aus einer Wickelwelle und in der Regel aus einem Wickelkern, der auf die Wickelwelle aufgeschoben wurde. Der Wickelkern bildet zusammen mit dem aufgewickelten Material den Wickel. Grundsätzlich ist auch ein Wickeln oder Wickelkern möglich. Generic winding devices comprise a winding for receiving the web-shaped material. This material is brought by a contact roller to the current winding and pressed against the winding. Often, the contact roller is rotatable, but otherwise stationary stored in the machine frame of the winding device. If the current winding is completely wound, then a new winding must be available for the further winding process. The new, still empty roll is brought to the web-shaped material. Since the web-shaped material and the still empty roll attract each other at the latest in direct contact (this is for example a double-sided adhesive tape on the still empty winding or an electrostatic charge), the web-like material is cut through at the appropriate moment. As a rule, this so-called Anwickelvorgang takes place during or shortly after the still empty roll is or was hired to the contact roller. An empty reel consists of a winding shaft and usually of a winding core which has been pushed onto the winding shaft. Of the Winding core forms the winding together with the wound material. In principle, a winding or winding core is possible.
Ein noch leerer Wickel wird dabei oft in einem Wickelmagazin bevorratet. Steht ein Wickelwechsel an, so wird ein leerer Wickel dem Magazin entnommen und mittels einer Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze befördert, bis der Wickel die Kontaktwalze berührt. In diesem Moment wird der Wickel von einer Halteeinrichtung übernommen und in der Regel mit einem Wickelantrieb verbunden, so dass der Wickel, der nun bereits bahnförmiges Material aufgenommen hat, mit einer eigenen, definierten Umfangsgeschwindigkeit rotieren kann. Es ist aber auch möglich, den Wickel ausschließlich von der Kontaktwalze antreiben zu lassen. An empty reel is often stored in a reel magazine. If a roll change, an empty roll is removed from the magazine and conveyed by means for bringing the still empty roll to the contact roller until the roll touches the contact roller. At this moment, the winding is taken over by a holding device and usually connected to a winding drive, so that the winding, which has already taken up web-like material, can rotate at its own, defined peripheral speed. But it is also possible to let the winding driven solely by the contact roller.
Um einen ordnungsgemäßen Wickelwechsel durchführen zu können und um letztlich einen qualitativ hochwertigen Wickel zu erhalten, wird der noch leere Wickel drehangetrieben. Dabei wird er oft so weit beschleunigt, dass seine Umfangsgeschwindigkeit im Wesentlichen der Umfangsgeschwindigkeit der Kontaktwalze entspricht. In tatsächlich existierenden Wickeleinrichtungen der Anmelderin erfolgt der Drehantrieb des noch leeren Wickels dadurch, dass ein angetriebenes Rad auf den Umfang des Wickels, meist im Bereich seines Zapfens, aufgesetzt wird. Wird jedoch der noch leere Wickel an die Kontaktwalze herangeführt, so wird dieser Kontakt aufgehoben und die Wickelwelle dreht frei. Wenn nun die Heranführung vergleichsweise lang dauert, so hat sich die Rotationsbewegung des Wickels oft verlangsamt, so dass dessen Umfangsgeschwindigkeit oft merklich kleiner ist als die Umfangsgeschwindigkeit der Kontaktwalze. Ein ordnungsgemäßes Anwickelergebnis ist häufig nicht mehr gegeben. In order to be able to carry out a proper roll change and finally to obtain a high-quality roll, the still empty roll is driven in rotation. He is often accelerated so far that its peripheral speed substantially corresponds to the peripheral speed of the contact roller. In actually existing winding devices of the applicant, the rotary drive of the still empty roll takes place in that a driven wheel is placed on the circumference of the roll, usually in the region of its pin. However, if the still empty roll is brought to the contact roller, this contact is canceled and the winding shaft rotates freely. Now, if the pre-lead takes a comparatively long time, so the rotational movement of the coil has often slowed down, so that its peripheral speed is often significantly smaller than the peripheral speed of the contact roller. A proper Anwickelergebnis is often no longer given.
Die Aufgabe der vorliegenden Erfindung ist es daher, die bekannte Wickeleinrichtung so weiterzubilden, dass diese Nachteile vermieden werden. Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruchs 1 gelöst. Demnach ist in einer Vorrichtung nach dem Oberbegriff des Anspruchs 1 zusätzlich vorgesehen, dass die Einrichtung zum Drehantreiben des noch leeren Wickels und die Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze gleichzeitig auf den noch leeren Wickel einwirkbar ist. The object of the present invention is therefore to develop the known winding device so that these disadvantages are avoided. According to the invention, this object is solved by the features of claim 1. Accordingly, it is additionally provided in a device according to the preamble of claim 1, that the means for rotating driving the still empty roll and the means for bringing the still empty roll to the contact roll at the same time on the still empty roll is acted upon.
Mit anderen Worten wirkt selbst während des Heranführens des noch leeren Wickels an die Kontaktwalze die Einrichtung zum Drehantreiben des noch leeren Wickels auf diesen. Somit wird der noch leere Wickel die meiste Zeit mit einem Drehmoment beaufschlagt und wird nicht frei drehbar gehalten. Seine Drehgeschwindigkeit ist damit steuerbar und kann so eingestellt werden, dass seine Umfangsgeschwindigkeit der Umfangsgeschwindigkeit der Kontaktwalze entspricht. Ein Anwickeln auf diesem neuen, noch leeren Wickel ist nun ohne qualitative Einbußen möglich. In other words, even during the feeding of the still empty roll to the contact roller, the device for rotating the still empty roll acts on it. Thus, the still empty winding is applied most of the time with a torque and is not kept free to rotate. Its rotational speed is thus controllable and can be adjusted so that its peripheral speed corresponds to the peripheral speed of the contact roller. An Anwickeln on this new, still empty winding is now possible without any loss of quality.
In einer vorteilhaften Ausführungsform umfasst die Einrichtung zum Drehantreiben des noch leeren Wickels Kraftübertragungsmittel, die auf ein an der Wickelwelle des Wickels angeordnetes Zahnrad wirken. Wickelwellen, die bereits in Wickeleinrichtungen nach dem Stand der Technik eingesetzt wurden, weisen in der Regel ein Zahnrad auf, über welches diese Wickel während des Wickelvorgangs antreibbar sind. Es ist daher von Vorteil, auch die Einrichtung zum Drehantreiben des noch leeren Wickels auf dieses Zahnrad einwirken zu lassen, so dass ein sicherer Antrieb erfolgt. Die Einrichtung zum Drehantreiben nach dem Stand der Technik umfasste hingegen nur eine Kraftübertragung, die nach dem Prinzip des Reibschlusses funktionierte, wobei es beispielsweise zu einer unvollständigen Kraftübertragung kommen kann, wenn sich Schmutz auf einer der beteiligten Komponenten abgelegt hatte. Die Kraftübertragungsmittel umfassen nunmehr Bauteile, die mit dem beschriebenen oder einem anderen Zahnrad kämmen, so dass Schlupf vermieden wird. Das Zahnrad des Wickels ist vorzugsweise an einem Zapfen des Wickels, also in dem Bereich, der wickelhülsenfrei ist, angeordnet. In an advantageous embodiment, the device for rotationally driving the still empty roll comprises force transmission means which act on a toothed wheel arranged on the winding shaft of the roll. Winding shafts, which have already been used in winding devices according to the prior art, generally have a toothed wheel, by way of which these windings can be driven during the winding process. It is therefore advantageous to allow the device for rotating the still empty roll to act on this gear, so that a safe drive takes place. The device for rotary driving according to the prior art, however, only included a power transmission that worked on the principle of frictional engagement, which may, for example, lead to an incomplete power transmission when dirt had deposited on one of the components involved. The power transmission means now comprise components that mesh with the described or another gear, so that slip is avoided. The gear of the winding is preferably arranged on a journal of the roll, that is in the region which is free of winding tubes.
In einer weiteren, vorteilhaften Ausgestaltung der Erfindung umfasst die Einrichtung zum Drehantreiben des noch leeren Wickels Kraftübertragungsmittel, die wenigstens zum Teil langgestreckt sind. Die Erstreckungsrichtung dieses langgestreckten Teils verläuft vorzugsweise parallel zu der Verfahrrichtung der Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze, so dass auf einfache Weise der Kerngedanke der Erfindung realisiert werden kann. In a further advantageous embodiment of the invention, the device for rotational driving of the still empty roll comprises Power transmission means which are at least partially elongated. The extension direction of this elongated part preferably runs parallel to the direction of travel of the device for bringing the still empty roll to the contact roll, so that the core idea of the invention can be realized in a simple manner.
Vorteilhaft ist es dabei, wenn die Kraftübertragungsmittel zumindest eine Laschenkette und/oder einen Zahnriemen umfassen. Mit diesen Mitteln ist es sehr einfach, eine Kraftübertragung zwischen der Einrichtung zum Drehantreiben des noch leeren Wickels und dem Wickel herzustellen und zu unterbrechen. Die genannten Mittel sind mechanisch flexibel und„rutschen" in die Zahnung des Zahnrades, ohne dass es zu großem Verschleiß kommt. It is advantageous if the force transmission means comprise at least one link chain and / or a toothed belt. With these means, it is very easy to make and break a power transmission between the means for rotational driving the still empty roll and the winding. The means mentioned are mechanically flexible and "slip" in the teeth of the gear, without causing great wear.
Weiterhin ist es vorteilhaft, wenn die Einrichtung zum Drehantreiben des noch leeren Wickels einen eigenen Antrieb umfasst, welcher vorzugsweise als Elektromotor ausgebildet ist. Furthermore, it is advantageous if the device for rotational driving of the still empty roll comprises its own drive, which is preferably designed as an electric motor.
In einer weiteren Ausgestaltung der Erfindung umfasst die Einrichtung zum Drehantreiben des noch leeren Wickels zumindest ein Halteelement, welches relativ zum Maschinengestell der Wickeleinrichtung bewegbar, vorzugsweise schwenkbar ist. Dieses dient dazu, die Antriebsverbindung zwischen der Einrichtung zum Drehantreiben und dem Wickel auf einfache Weise herzustellen oder zu unterbrechen. Dabei ist bevorzugt vorgesehen, dass an dem zumindest einen Halteelement Kraftübertragungsmittel und/oder der Antrieb angeordnet sind. Eine solche Anordnung ist mechanisch einfach zu gestaltet und hat eine hohe Zuverlässigkeit. Wenn Kraftübertragungsmittel und Antrieb an dem Halteelement angeordnet sind, brauchen nur die zur Energieübertragung erforderlichen Stromkabel so gestaltet zu werden, dass sie die Bewegung des Halteelements mitmachen, was in der Regel kein Problem darstellt. In a further embodiment of the invention, the device for rotationally driving the still empty roll comprises at least one holding element, which is movable relative to the machine frame of the winding device, preferably pivotable. This serves to easily establish or interrupt the drive connection between the rotational drive means and the winding. In this case, it is preferably provided that force transmission means and / or the drive are arranged on the at least one retaining element. Such an arrangement is mechanically simple to design and has a high reliability. If power transmission means and drive are arranged on the holding element, only the power cables required for energy transmission need to be designed so that they join in the movement of the holding element, which is usually not a problem.
Das zumindest eine Halteelement ist in weiterer Ausgestaltung mittels zumindest eines Stellantriebes bewegbar. Vorzugsweise umfasst dieser einen Pneumatik- oder Hydraulikzylinder. Diese Zylinder sind dann Bestandteile einer Hubkolbenzylindereinheit, welche einfach aufgebaut und damit kostengünstig sind. Es kommt noch hinzu, dass weder große Verstellwege oder eine genaue Positionierung notwendig sind. The at least one retaining element is movable in a further embodiment by means of at least one actuator. Preferably, this includes one Pneumatic or hydraulic cylinder. These cylinders are then components of a Hubkolbenzylindereinheit, which are simple and therefore inexpensive. In addition, neither large adjustment paths or exact positioning are necessary.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist zumindest ein Sensor vorgesehen. Mit diesem ist ein Signal ausgebbar, wenn der noch leere Wickel einen festgelegten Abstand zur Kontaktwalze erreicht oder unterschritten hat. Dieser Abstand ist sehr klein und liegt im Bereich von bis zu zwei Zentimetern. Das Signal wird dazu genutzt, die Einrichtung zum Drehantreiben des noch leeren Wickels von dem Wickel abzustellen. Mit anderen Worten wird auf diese Weise erreicht, dass die Antriebsverbindung zwischen der Einrichtung zum Drehantreiben des noch leeren Wickels und dem Wickel unterbrochen wird, bevor der Wickel in Kontakt mit der Kontaktwalze und/oder der aufzuwickelnden Materialbahn tritt. Der Wickel dreht zwar für einen sehr kurzen Zeitraum ohne jeden Zwangsantrieb und somit frei, jedoch ist die - kaum vorhandene - Geschwindigkeitsabnahme für die Qualität des neuen Wickels ohne Auswirkung. Die oben genannte Aufgabe wird auch gelöst durch ein Verfahren zum Wechsel eines Wickels gemäß Anspruch 1 1 . Dabei wird von einem Verfahren ausgegangen, bei dem In a further advantageous embodiment of the invention, at least one sensor is provided. With this a signal can be output when the still empty roll has reached or fallen below a specified distance to the contact roller. This distance is very small and is in the range of up to two centimeters. The signal is used to turn off the device for rotating the still empty roll from the roll. In other words, it is achieved in this way that the drive connection between the means for rotationally driving the still empty roll and the winding is interrupted before the roll comes into contact with the contact roller and / or the wound material web. Although the winding rotates for a very short period of time without any positive drive and thus free, but the - hardly existing - speed decrease for the quality of the new coil without effect. The above object is also achieved by a method for changing a reel according to claim 11. This is based on a procedure in which
• ein Wickel zur Aufnahme des bahnförmigen Materials bereitgestellt wird, · mit einer Kontaktwalze das bahnförmige Material an den Wickel herangeführt und angedrückt wird, A winding is provided for receiving the sheet-like material, the roll-shaped material is brought to the winding with a contact roller and pressed,
• mit eine Einrichtung zum Drehantreiben ein noch leerer Wickel in Rotation versetzt und gehalten wird, und  • With a means for Drehantreiben an empty coil is set in rotation and held, and
• mit einer Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze der noch leere Wickel in Richtung auf die Kontaktwalze bewegt wird.  • With a means for bringing the still empty roll to the contact roller of the still empty roll is moved in the direction of the contact roller.
Das erfindungsgemäße Verfahren zeichnet sich nun dadurch aus, dass mit der Einrichtung zum Drehantreiben des noch leeren Wickels und mit der Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze gleichzeitig auf den noch leeren Wickel eingewirkt wird. The inventive method is characterized by the fact that with the means for rotational driving of the still empty roll and with the Device for bringing the still empty roll to the contact roller is acted simultaneously on the still empty roll.
Die Merkmale und Merkmalskombinationen, die im Zusammenhang mit der erfindungsgemäßen Wickelvorrichtung beschrieben sind, sind auch mit dem erfindungsgemäßen Verfahren kombinierbar. Dies gilt auch umgekehrt, so dass im Zusammenhang mit der Offenbarung einzelner Erfindungsmerkmale stets auf diese wechselweise Bezug genommen werden kann oder Bezug genommen wird. The features and feature combinations described in connection with the winding device according to the invention can also be combined with the method according to the invention. This also applies vice versa, so that in connection with the disclosure of individual inventive features can always be made to this alternately reference or reference.
Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor. Further embodiments of the invention will become apparent from the description and the claims.
Die einzelnen Figuren zeigen: The individual figures show:
Fig. 1 Schematische Seitenansicht einer erfindungsgemäßen Fig. 1 Schematic side view of an inventive
Wickeleinrichtung  winding device
Fig. 2 Wie Fig. 1 , jedoch im einem noch leeren Wickels während des  Fig. 2 as in Fig. 1, but in a still empty roll during the
Heranführens an die Kontaktwalze  Moving to the contact roller
Fig. 3 Wie Fig. 2, jedoch mit bereits angestelltem Wickel und abgeschwenkter Einrichtung zum Drehantreiben Fig. 3 As shown in FIG. 2, but with already employed winding and pivoted-down device for Drehantreiben
Die Figuren 1 bis 3 zeigen jeweils dieselbe schematische Seitenansicht einer erfindungsgemäßen Wickeleinrichtung 1 , die ein Maschinengestell 2 und eine in diesem drehbar gelagerte Kontaktwalze 3 umfasst, die in Drehrichtung R rotiert. Über diese Kontaktwalze 3 wird ein bahnformiges Material 4 zugeführt, das auf einem Wickel 5 aufgewickelt wird. Figures 1 to 3 each show the same schematic side view of a winding device 1 according to the invention, comprising a machine frame 2 and a rotatably mounted in this contact roller 3, which rotates in the direction of rotation R. About this contact roller 3, a sheet-shaped material 4 is supplied, which is wound on a winding 5.
Eine Verschiebeeinrichtung 6, die dem Heranführen eines noch leeren Wickels 7 an die Kontaktwalze 3 dient, ist auf nicht näher dargestellte Weise relativ zum Maschinengestell und relativ zur Kontaktwalze - vorzugsweise linear - verschiebbar. In der Figur 1 befindet sich diese Verschiebeeinrichtung 6 in ihrer Ausgangsposition. Der Wickel 7 wurde aus einem nicht dargestellten Wickelmagazin zugeführt und liegt nun auf der Trageeinrichtung 8 auf. Der Wickel 7 umfasst eine Wickelhülse 9, beispielsweise ein Papierhülse, einen Zapfen 10 und ein darauf angeordnetes Zahnrad 1 1 . A displacement device 6, which serves to bring a still empty roll 7 to the contact roller 3, in a manner not shown relative to the machine frame and relative to the contact roller - preferably linear - displaceable. In the figure 1, this displacement device 6 is in its initial position. The roll 7 was fed from a winding magazine, not shown, and is now on the support means 8. The winding 7 comprises a winding tube 9, for example a paper tube, a pin 10 and a gear 1 1 arranged thereon.
In der Figur 1 ist das Zahnrad 1 1 in Eingriff mit dem Zahnriemen 12 der Einrichtung 13 zum Drehantreiben des noch leeren Wickels. Der Zahnriemen 12 ist vorzugsweise ein doppelter Zahnriemen, d. h. er umfasst Verzahnungen auf beiden Seiten. In the figure 1, the gear 1 1 is in engagement with the toothed belt 12 of the device 13 for rotational driving of the still empty roll. The toothed belt 12 is preferably a double toothed belt, i. H. it includes gears on both sides.
Diese Einrichtung 13 umfasst weiterhin eine Halteplatte 14, die um das Lager 15 schwenkbar an dem Maschinengestell 2 befestigt ist. Als Schwenkantrieb ist eine Kolbenzylindereinheit 17, umfassend einen Zylinder 18, der über das Drehlager 20 an dem Maschinengestell 2 angelenkt ist, und einen Kolben 19, der über das Drehlager 21 an der Halteplatte 14 angelenkt ist. An der Halteplatte 14 angeordnet sind wenigstens die Zahnräder 22 und 23, die so angeordnet und/oder dimensioniert sind, dass der Zahnriemen 12 - wie bereits beschrieben - parallel zu der Verschiebeeinrichtung 6 verläuft. Weitere Zahnräder sowie Umlenkrollen können vorgesehen sein. Der Zahnriemen 12 wird von einem Elektromotor 24 angetrieben, der auf nicht dargestellte Weise, vorzugsweise über ein Antriebszahnrad, auf den Zahnriemen 12 wirkt. Der Elektromotor 24 ist an der Halteplatte 14 befestigt. This device 13 further comprises a holding plate 14 which is pivotally mounted on the machine frame 2 about the bearing 15. As a pivot drive is a piston-cylinder unit 17, comprising a cylinder 18 which is articulated via the pivot bearing 20 on the machine frame 2, and a piston 19 which is articulated via the pivot bearing 21 on the support plate 14. Arranged on the holding plate 14 are at least the toothed wheels 22 and 23, which are arranged and / or dimensioned such that the toothed belt 12 runs parallel to the displacement device 6, as already described. Other gears and pulleys can be provided. The toothed belt 12 is driven by an electric motor 24 which acts on the toothed belt 12 in a manner not shown, preferably via a drive gear wheel. The electric motor 24 is fixed to the holding plate 14.
Die Figur 2 zeigt die gleiche Ansicht wie die Figur 1 , jedoch ist die Verschiebeeinrichtung 6 bereits ein Stück an die Kontaktwalze 3 herangeführt worden. In dieser Figur 2 sind nicht alle Bezugszeichen wiedergegeben, da im Wesentlichen alle Bauteile der Darstellung in Figur 1 entsprechen. Jedoch ist hier ein Sensor 25 angedeutet, der dazu dient, festzustellen, ob der noch leere Wickel 7 bereits einen festgelegten, minimalen Abstand zur Kontaktwalze 3 erreicht oder unterschritten hat. FIG. 2 shows the same view as FIG. 1, but the displacement device 6 has already been brought a little closer to the contact roller 3. Not all reference numbers are reproduced in this FIG. 2, since essentially all components correspond to the representation in FIG. However, here a sensor 25 is indicated, which serves to determine whether the still empty roll 7 has already reached or fallen below a fixed, minimum distance to the contact roller 3.
Die Figur 3 zeigt noch einmal alle Bauteile, die bereits im Zusammenhang mit der Figur 1 erläutert wurden. Jedoch ist hier der Wickel 7 bereits mit der Kontaktwalze 3 in Kontakt getreten, so dass der Wickelwechsel gerade erfolgt ist beziehungsweise erfolgen kann. Die Halteplatte 14 mit all ihren Anbauteilen ist bereits abgeschwenkt worden, so dass die Einrichtung 13 nicht mehr auf den Wickel 7 wirkt. Der nun fertig gestellte Wickel 5 wurde beziehungsweise wird in Richtung A verschoben und damit von der Kontaktwalze 3 abgestellt. Dieser Wickel 5 kann nun abtransportiert werden. FIG. 3 again shows all the components which have already been explained in connection with FIG. However, here the winding 7 has already come in contact with the contact roller 3, so that the roll change is just done or can take place. The holding plate 14 with all its attachments has already been pivoted, so that the device 13 no longer acts on the winding 7. The now completed winding 5 has been or is moved in the direction A and thus turned off by the contact roller 3. This winding 5 can now be removed.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Wickeleinrichtung 1 winding device
2 Maschinengestell  2 machine frame
3 Kontaktwalze  3 contact roller
4 Bahnförmiges Material  4 Web-shaped material
5 Wickel  5 wraps
6 Verschiebeeinrichtung  6 displacement device
7 Leerer Wickel  7 empty wrap
8 Trageeinrichtung  8 carrying device
9 Wickelhülse  9 winding tube
10 Zapfen  10 cones
1 1 Zahnrad  1 1 gear
12 Zahnriemen  12 toothed belts
13 Einrichtung zum Drehantreiben  13 device for Drehantreiben
14 Halteplatte  14 retaining plate
15 Lager  15 bearings
16  16
17 Kolbenzylindereinheit  17 piston-cylinder unit
18 Zylinder  18 cylinders
19 Kolben  19 pistons
20 Drehlager  20 pivot bearings
21 Drehlager  21 pivot bearings
22 Zahnrad  22 gear
23 Zahnrad  23 gear
24 Elektromotor  24 electric motor
25 Sensor  25 sensor
R Drehrichtung der Kontaktwalze 3 R direction of rotation of the contact roller 3
A Abtransportrichtung des fertigen Wickels 5  A Abtransportrichtung the finished roll 5

Claims

Wickeleinrichtung zum Aufwickeln eines bahnformigen Materials und Verfahren zum Wechsel eines Wickels in einer Wickeleinrichtung Patentansprüche Winding device for winding a sheet-like material and method for changing a roll in a winding device claims
1 . Wickeleinrichtung zum Aufwickeln eines bahnformigen Materials, vorzugsweise einer Kunststofffolie, umfassend: 1 . Winding device for winding a web-shaped material, preferably a plastic film, comprising:
• einen Wickel zur Aufnahme des bahnformigen Materials,  A roll for receiving the sheet-like material,
• eine Kontaktwalze zum Heranführen und Andrücken des bahnformigen Materials an den Wickel,  A contact roller for guiding and pressing the web-shaped material onto the winding,
• eine Einrichtung zum Drehantreiben eines noch leeren Wickels,  A device for rotating a still empty roll,
• eine Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze,  A device for bringing the still empty roll to the contact roll,
dadurch gekennzeichnet, dass  characterized in that
mit der Einrichtung zum Drehantreiben des noch leeren Wickels und mit der Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze gleichzeitig auf den noch leeren Wickel einwirkbar ist.  with the means for rotational driving the still empty roll and with the means for bringing the still empty roll to the contact roll simultaneously on the still empty roll is acted upon.
2. Wickeleinrichtung nach Anspruch 1 , 2. Winding device according to claim 1,
dadurch gekennzeichnet, dass  characterized in that
die Einrichtung zum Drehantreiben des noch leeren Wickels Kraftübertragungsmittel umfasst, welche auf ein an einer Wickelwelle des Wickels angeordnetes Zahnrad wirken.  the means for rotationally driving the still empty roll comprises force transmission means which act on a gear arranged on a winding shaft of the roll.
3. Wickeleinrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass 3. Winding device according to one of the preceding claims, characterized in that
die Einrichtung zum Drehantreiben des noch leeren Wickels Kraftübertragungsmittel umfasst, welche wenigstens zum Teil langgestreckt sind.  the means for rotationally driving the still empty roll comprises force transmission means which are at least partially elongated.
4. Wickeleinrichtung nach einem der beiden vorstehenden Ansprüche, 4. Winding device according to one of the two preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die Kraftübertragungsmittel zumindest eine Laschenkette und/oder zumindest einen Zahnriemen umfassen.  the power transmission means comprise at least one link chain and / or at least one toothed belt.
5. Wickeleinrichtung nach einem der vorstehenden Ansprüche, 5. Winding device according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die Einrichtung zum Drehantreiben des noch leeren Wickels einen eigenen Antrieb umfasst.  the device for rotational driving of the still empty roll comprises its own drive.
6. Wickeleinrichtung nach einem der vorstehenden Ansprüche, 6. Winding device according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
die Einrichtung zum Drehantreiben des noch leeren Wickels ein Halteelement umfasst, welches relativ zum Maschinengestell der Wickeleinrichtung bewegbar, vorzugsweise schwenkbar ist.  the device for rotationally driving the still empty roll comprises a holding element which is movable relative to the machine frame of the winding device, preferably pivotable.
7. Wickeleinrichtung nach dem vorstehenden Anspruch, 7. winding device according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
an dem Halteelement die Kraftübertragungsmittel und/oder der Antrieb angeordnet sind.  on the holding element, the force transmission means and / or the drive are arranged.
8. Wickeleinrichtung nach einem der beiden vorstehenden Ansprüche, 8. Winding device according to one of the two preceding claims,
dadurch gekennzeichnet, dass  characterized in that
das Halteelement mittels eines Stelltriebes bewegbar ist.  the holding element is movable by means of an actuating drive.
9. Wickelvorrichtung nach dem vorstehenden Anspruch, 9. Winding device according to the preceding claim,
dadurch gekennzeichnet, dass  characterized in that
der Stellantrieb einen Pneumatik- oder Hydraulikzylinder umfasst. the actuator comprises a pneumatic or hydraulic cylinder.
10. Wickelvorrichtung nach einem der vorstehenden Ansprüche, 10. Winding device according to one of the preceding claims,
dadurch gekennzeichnet, dass  characterized in that
ein Sensor vorgesehen ist, mit welchem ein Signal ausgebbar ist, wenn der noch leere Wickel einen festgelegten Abstand zur Kontaktwalze erreicht oder unterschritten hat.  a sensor is provided with which a signal can be output when the still empty roll has reached or fallen below a predetermined distance from the contact roller.
1 1 . Verfahren zum Wechsel eines Wickels in einer Wickeleinrichtung zum Aufwickeln bahnförmigen Material, vorzugsweise Kunststofffolie, wobei: 1 1. Method for changing a roll in a winding device for winding web-shaped material, preferably plastic film, wherein:
• ein Wickel zur Aufnahme des bahnförmigen Materials bereitgestellt wird, A winding is provided for receiving the sheet material,
• mit einer Kontaktwalze das bahnförmige Material an den Wickel herangeführt und angedrückt wird, With a contact roller, the web-shaped material is brought to the winding and pressed,
• mit eine Einrichtung zum Drehantreiben ein noch leerer Wickel in Rotation versetzt und gehalten wird,  With a device for Drehantreiben a still empty winding is rotated and held,
• mit einer Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze der noch leere Wickel in Richtung auf die Kontaktwalze bewegt wird,  With a device for bringing the still empty roll to the contact roll, the still empty roll is moved in the direction of the contact roll,
dadurch gekennzeichnet, dass  characterized in that
mit der Einrichtung zum Drehantreiben des noch leeren Wickels und mit der Einrichtung zum Heranführen des noch leeren Wickels an die Kontaktwalze gleichzeitig auf den noch leeren Wickel eingewirkt wird.  is acted upon by the device for rotating driving the still empty roll and with the means for bringing the still empty roll to the contact roller at the same time on the still empty roll.
EP14784236.3A 2013-10-15 2014-10-15 Winding device for winding a web-shaped material and method for changing a spool in a winding device Active EP3102516B1 (en)

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DE201310220856 DE102013220856A1 (en) 2013-10-15 2013-10-15 Winding device for winding a web-shaped material and method for changing a coil in a winding device
PCT/EP2014/072094 WO2015055703A1 (en) 2013-10-15 2014-10-15 Winding device for winding a web-shaped material and method for changing a spool in a winding device

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JP6935243B2 (en) * 2017-06-21 2021-09-15 Ｔｍｔマシナリー株式会社 Thread winder
CN111148709B (en) * 2017-09-29 2021-10-29 富士胶片株式会社 Winding device and winding method

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EP3102516B1 (en) 2018-03-21
US20160236887A1 (en) 2016-08-18
US10029875B2 (en) 2018-07-24
WO2015055703A1 (en) 2015-04-23
CN105813963A (en) 2016-07-27

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