EP3533719B1 - Labelling device for applying labels to containers - Google Patents

Labelling device for applying labels to containers Download PDF

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Publication number
EP3533719B1
EP3533719B1 EP18215303.1A EP18215303A EP3533719B1 EP 3533719 B1 EP3533719 B1 EP 3533719B1 EP 18215303 A EP18215303 A EP 18215303A EP 3533719 B1 EP3533719 B1 EP 3533719B1
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EP
European Patent Office
Prior art keywords
label strip
guide element
roller
unit
label
Prior art date
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Active
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EP18215303.1A
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German (de)
French (fr)
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EP3533719A1 (en
Inventor
Tobias Eichhammer
Martin Plank
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Krones AG
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Krones AG
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Publication date
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Publication of EP3533719A1 publication Critical patent/EP3533719A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • B65C9/1815—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means
    • B65C9/1819—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means the suction means being a vacuum drum

Definitions

  • the invention relates to a labeling device for applying labels to containers, having the features of the preamble of claim 1.
  • Labeling devices are usually used to provide containers, such as cans, tubes, plastic or glass bottles, with labels that designate and/or advertise the contents of the container.
  • a labeling device usually comprises an unwinding unit for receiving one or more supply rolls with a label strip, a drive unit with a driven conveyor roller for driving the unwound label strip and a processing unit.
  • the processing unit is designed, for example, with a cutting device, a gripper cylinder and a gluing unit, with which the strip of labels is cut into individual labels, glued and then transferred to the containers.
  • Such a labeling device is, for example, from DE 20 2005 002793 U1 or the DE 299 04 561 U1 known.
  • the drive unit is usually arranged as close as possible to the cutting device.
  • threading in the label tape is made more difficult by these spatial conditions, which is necessary, for example, with every brand change.
  • the US 4,533,586A discloses the subject-matter of the preamble of claim 1 having a web of adhesive labels.
  • the DE 29 02 315 A1 discloses a labeling device and a shape cutting device therefor.
  • the object of the present invention to provide a labeling device for applying labels to containers, with which the threading of the label strip is made easier.
  • the invention provides a labeling device for applying labels to containers with the features of claim 1.
  • the drive unit includes the plastic guide element with the guide surface directed towards the conveyor roller, which is formed in an arc around the conveyor roller, means that the shape of the plastic guide element can be particularly well adapted to the guide function.
  • the label strip has a particularly low tendency to adhere to the plastic guide element due to the plastic material. Consequently it will The label strip is guided particularly well around the conveyor roller by the plastic guide element during threading, which makes threading easier.
  • the labeling device can be arranged in a beverage processing plant.
  • the labeling device can be arranged downstream of a bottling plant for bottling a product into the containers.
  • the labeling device can be arranged downstream of a filling system for plastic bottles.
  • the containers can be intended to hold beverages, hygiene articles, pastes, chemical, biological and/or pharmaceutical products.
  • the containers can be, for example, bottles, cans, preferably made of plastic or glass.
  • the labels may be intended to identify and/or advertise a product placed in the containers.
  • Several label imprints can be serially applied to the label tape.
  • the labeling device can include a labeling unit with the unwinding unit, the drive unit and the processing unit.
  • the labeling device can comprise a conveyor for the containers, on which the labeling unit or a plurality of such labeling units are arranged.
  • the conveyor can be designed as a carousel with container receptacles, on which the labeling unit or several such labeling units are arranged circumferentially.
  • the container receptacles can preferably be designed to be rotatable in order to rotate the containers relative to the processing unit when the label is transferred.
  • the container receptacles can include a turntable and a centering bell to accommodate the containers therein.
  • the unwinding unit can include several supply rolls and a splicing unit in order to ensure an uninterrupted supply of the labeling device with the label tape.
  • the labeling device can include an intermediate buffer for the label tape in order to bridge the joining of two label tapes with the splicing unit.
  • the drive unit may include an electric motor to drive the conveyor roller.
  • the electric motor can preferably be a servo motor that can be regulated with a control unit.
  • a plastic guide element can mean a guide element for the label strip made of a plastic material.
  • the labeling device can include further deflection rollers in order to guide the label strip between the at least one supply roll and the processing unit. It is also conceivable that the labeling device includes a running control unit in order to set the exact position of the label strip in relation to the subsequent drive unit and the processing unit.
  • the labeling device can comprise a control unit for controlling the unwinding unit, the drive unit and/or the processing unit.
  • the control unit can preferably comprise a machine control with a processor, a memory unit, a data interface, a screen and/or with an input unit.
  • the plastic guiding element can comprise an antistatic plastic material for guiding the label tape in order to dissipate static charging of the label tape during threading. This prevents the label strip from adhering to the plastic guide element due to static charging during threading. It is conceivable that the anti-static plastic material is connected to an electrical ground pole in order to dissipate the static charge.
  • the guide surface of the plastic guide element is designed with ribs in order to divert an air cushion when threading the label tape. This prevents the air cushion from counteracting the threading movement of the label strip.
  • the ribs run lengthwise to the arc-like formation of the guide surface.
  • the air cushion is discharged particularly quickly during the movement of the label strip.
  • the ribs can run along a conveying direction of the label strip and/or parallel to a longitudinal edge of the label strip.
  • the plastic guide element can preferably comprise at least 10, preferably at least 20, of the ribs.
  • the ribs can be arranged parallel to one another.
  • the plastic guiding element can be designed with an insertion chamfer on an input side in order to guide the label strip into a gap between the plastic guiding element and the conveyor roller when it is being threaded. This creates a tapering gap between the plastic guide member and the feed roller to aid threading.
  • the insertion bevel can run transversely to the label strip.
  • the insertion bevel can be a bevel of the plastic guide element running transversely to the ribs and/or to the arc-like configuration of the guide surface.
  • the drive unit can include a pressure roller in order to press the label tape against the feed roller. This ensures a defined power transmission between the conveyor roller and the label strip during conveying.
  • the pressure roller can be pressed against the conveyor roller by means of a spring mechanism.
  • the axes of the conveyor roller and the pressure roller preferably run parallel to one another.
  • the plastic guide element can be arranged on the conveyor roller downstream after the pressure roller. This allows the operator to insert the label strip between the feed roller and the pressure roller and it is then automatically guided to the processing unit by the plastic guide element.
  • the plastic guide element can be arranged circumferentially on the conveyor roller immediately after the pressure roller.
  • the separating unit can include a cutting device in order to separate the label strip into the labels, with the drive unit being arranged along the label strip directly in front of the cutting device.
  • the label strip is guided by the plastic guide element from the conveyor roller to the cutting device in order to automatically thread it into the cutting device.
  • the cutting device can include a vacuum cylinder and a knife roller, which acts against the vacuum cylinder when the label strip is separated.
  • the processing unit can include a gluing unit and/or a gripper cylinder in order to apply glue to the individual labels and transfer them to the containers.
  • An output side of the plastic guide element can be directed towards the cutting device in order to guide the label tape towards the cutting device, in particular in a gap between the vacuum cylinder and the knife roller.
  • the label strip is automatically sucked in by the vacuum cylinder after the plastic guide element and the conveyor roller and is thus fed into the cutting device in a particularly reliable manner.
  • FIG. 1 an embodiment of the labeling device 1 according to the invention for applying labels 5a to containers 2 is shown in a plan view.
  • the labeling device 1 can be seen, with which the strip of labels 5 is processed into individual labels 5a, which are then transferred to the containers 2. It can also be seen that the containers 2 are received in rotatable container receptacles 4 of the conveyor 3 during the labeling and are moved past the labeling device 1 . The containers 2 can be rotated while the labels 5a are being transferred, so that they can be labeled all around or only partially.
  • the labeling device 1 itself comprises an unwinding unit 20 for receiving the two supply rolls 21 and 22.
  • the label tape 5 is being unwound from the supply roll 21.
  • the splicing device 23 When its end is reached, it is connected to the beginning of the label strip from the supply roll 22 by the splicing device 23 . This ensures uninterrupted operation.
  • the intermediate buffer unit 30 with the rigid roller unit 31 and the movable roller unit 32 can be seen.
  • the roller units 31, 32 each comprise a plurality of deflection rollers of different sizes, around which the label strip 5 is guided in a plurality of loops.
  • the movable roller unit 32 can be moved away from the rigid roller unit 31 with a spring element, not shown here. This increases the loop length accordingly.
  • the movement is correspondingly reversed, so that the loop length is reduced.
  • the time required for this is bridged.
  • the running control unit 60 can be seen in order to set the precise position of the label strip 5 in relation to the following drive unit 40 and the processing unit 50 .
  • the track of the label strip is regulated in order to keep the label height in the exact position, i.e. the position of the label strip in relation to the container to be labeled.
  • the drive unit 40 is arranged downstream of the intermediate buffer unit 30 in the conveying direction F. It comprises the feed roller 41 and the pressure roller 42, the feed roller 41 being driven by a drive, not shown here, preferably by a servomotor.
  • the label strip 5 is clamped between the conveyor roller 41 and the pressure roller 42, for example by a spring mechanism, in such a way that the driving force is reliably transmitted to the label strip 5.
  • the drive unit 40 With the drive unit 40, the label strip 5 pulled so that it is pulled from the supply roll 21 through the splicing unit 23, through the intermediate buffer unit 30 via the running control unit 60 to the deflection roller U 4 .
  • the label tape 5 is then fed to the processing unit 50 .
  • it is first separated with the cutting device 51 into individual labels 5a, with one in the figure 2 knife roller 51a shown in more detail acts against a vacuum cylinder 51b.
  • the labels can be safely conveyed on to the following gripper cylinder 53, which is also designed in such a way that it sucks in the separated labels 5a by means of a vacuum.
  • the labels 5a adhering thereto are glued with the gluing unit 52 and then transferred to the containers 2 in the container receptacles 4.
  • deflection rollers U 1-4 to guide the label strip from the unwinding unit 20 to the drive unit 40 .
  • the drive unit 40 includes the plastic guide element 43 that is explained in more detail with reference to the following figures 2 , 3A and 3B is explained.
  • the cutting unit 51 includes the vacuum cylinder 51b and the knife roller 51a, which acts against the vacuum cylinder 51b when the label strip 5 is separated.
  • the knife roller 51a has two or more cutters, which cut the label strip 5 into the individual labels 5a.
  • the drive unit 40 is arranged along the label tape 5 immediately in front of the cutting device 51, so that the label tape 5 can be reliably guided to the vacuum cylinder 51b.
  • the label strip 5 is guided between the conveyor roller 41 and the pressure roller 42 rotating in the opposite direction thereto, so that it is conveyed in the conveying direction F.
  • the pressure roller 42 is pressed toward the feed roller 41 by the aforementioned spring mechanism so that the driving force is transmitted to the label tape 5 securely.
  • the drive unit 40 comprises the plastic guide element 43 with the guide surface S F which is directed towards the feed roller 41 and is formed in an arc around the feed roller 41 .
  • That Plastic guiding element 43 comprises an antistatic plastic material for guiding the label strip 5, as a result of which static charging of the label strip 5 is dissipated during threading, for example towards a ground pole.
  • the plastic guide element is formed with the insertion chamfer 43a on the input side SE, so that the label strip can be safely inserted into the space between the plastic guide element 43 and the conveyor roller 41 .
  • the insertion bevel 43a is formed transversely to the label strip 5 and thus forms a tapering gap with the feed roller 41 .
  • the plastic guide element 43 is arranged on the conveyor roller 41 downstream of the pressure roller 42 and that an output side S A of the plastic guide element 43 is directed towards the cutting device 51 .
  • the label strip 5 is automatically guided safely between the feed roller 41 and the plastic guide element 43 from the pressure roller 42 up to the cutting device 51 during threading.
  • the plastic guide element 43 from the figures 1 and 2 is more detailed in two perspective views of the Figures 3A and 3B shown. You can see the plastic guide element 43 in FIG Figure 3A substantially tangential to the conveyor roller 41 and in the Figure 3B essentially perpendicular to the guide surface S F .
  • the insertion chamfer 43a is designed as a surface that is beveled on the input side S E toward the guide surface S F in order to, together with the one in FIG figure 2 shown conveyor roller 41 to form a tapering gap.
  • the label strip 5 can be guided more reliably during threading.
  • the guide surface S F is designed with ribs 43b in order to divert an air cushion when the label strip 5 is threaded in.
  • the ribs 43b preferably run lengthwise to the arcuate configuration of the guide surface S F , so that the air cushion is pushed toward the exit side SA .
  • the ribs 43b run tangentially to the conveying direction F of the label strip 5.
  • the ribs 43b result in a particularly small contact surface between the label strip 5 and the guide surface S F of the plastic guide element 43, as a result of which the friction during threading is reduced.
  • the fastening elements 43c can be seen, which are manufactured in one piece with the plastic guide element 43 during injection molding.
  • the plastic guide element 43 can be attached to the labeling device 1 in a particularly simple manner.
  • production with rapid prototypes / 3D printing is conceivable.
  • the in the Figures 1 - 3B labeling device 1 shown used as follows: In a threading operation, a piece of the label strip 5 is first removed from one of the supply rolls 21 by an operator and, as in FIG 1 shown, in the splicing unit 23, the intermediate buffer unit 30, the running control unit 60 and in the deflection rollers U 1 - U 4 inserted. Subsequently, the label tape 5 is clamped by the operator between the feed roller 41 and the pressure roller 42 of the drive unit 40 so that it can be safely fed by them.
  • the label strip 5 is then automatically conveyed further by the drive unit 40 and is thus threaded into the cutting device 51 without manual intervention.
  • the label strip 5 is guided around the feed roller 41 by the guide surface S F of the plastic guide element 43 in such a way that it subsequently hits the vacuum cylinder 51b and is sucked by it and transported through the cutting device 51 .
  • Static charge is dissipated by the anti-static plastic material of the plastic guide element 43 .
  • an air cushion produced by the label strip 5 during threading is also discharged through the ribs 43b of the plastic guide element 43.
  • the label strip 5 is automatically guided by the plastic guide element 43 during threading in such a way that it is automatically drawn into the cutting device 51 . This makes it easier to thread the label strip 5 in.
  • the drive speed of the drive unit 40 is then increased and the label strip 5 is separated into individual labels 5a by the cutting device 51 .
  • the knife roller 51a acts with its cutting edges against the vacuum cylinder 51b, as a result of which the label strip 5 is cut.
  • the isolated labels 5a continue to adhere to the vacuum cylinder 51b during transport due to the vacuum until they are transferred to the gripper cylinder 53.
  • the labels 5a taken over by the gripper cylinder 53 are first glued with the gluing unit 52 and then applied to the containers 2 on the carousel 3 .

Landscapes

  • Labeling Devices (AREA)

Description

Die Erfindung betrifft eine Etikettiervorrichtung zum Aufbringen von Etiketten auf Behältern mit den Merkmalen des Oberbegriffs von Anspruch 1.The invention relates to a labeling device for applying labels to containers, having the features of the preamble of claim 1.

Üblicherweise werden Etikettiervorrichtungen dazu eingesetzt, Behälter, wie Dosen, Tuben, Kunststoff- oder Glasflaschen mit Etiketten zu versehen, die den Behälterinhalt bezeichnen und/oder bewerben. Eine derartige Etikettiervorrichtung umfasst üblicherweise eine Abspuleinheit zur Aufnahme einer oder mehrerer Vorratsrollen mit einem Etikettenband, eine Antriebseinheit mit einer angetriebenen Förderwalze zum Antrieb des abgespulten Etikettenbands und eine Verarbeitungseinheit. Die Verarbeitungseinheit ist beispielsweise mit einer Schneidvorrichtung, einem Greiferzylinder und mit einem Leimwerk ausgebildet, mit denen das Etikettenband in einzelne Etiketten zerschnitten, beleimt und dann an die Behälter übergeben wird.Labeling devices are usually used to provide containers, such as cans, tubes, plastic or glass bottles, with labels that designate and/or advertise the contents of the container. Such a labeling device usually comprises an unwinding unit for receiving one or more supply rolls with a label strip, a drive unit with a driven conveyor roller for driving the unwound label strip and a processing unit. The processing unit is designed, for example, with a cutting device, a gripper cylinder and a gluing unit, with which the strip of labels is cut into individual labels, glued and then transferred to the containers.

Eine derartiges Etikettiervorrichtung ist beispielsweise aus der DE 20 2005 002793 U1 oder der DE 299 04 561 U1 bekannt.Such a labeling device is, for example, from DE 20 2005 002793 U1 or the DE 299 04 561 U1 known.

Üblicherweise ist dabei die Antriebseinheit aus Funktionsgründen möglichst nah an der Schneidvorrichtung angeordnet. Nachteilig hat sich allerdings herausgestellt, dass durch diese räumlichen Gegebenheiten das Einfädeln des Etikettenbands erschwert wird, was beispielsweise bei jedem Sortenwechsel notwendig ist.For functional reasons, the drive unit is usually arranged as close as possible to the cutting device. However, it has turned out to be disadvantageous that threading in the label tape is made more difficult by these spatial conditions, which is necessary, for example, with every brand change.

Die US 4,533,586 A offenbart den Gegenstand des Oberbegriffs des Anspruchs 1 mit einer Bahn mit Klebeetiketten.the US 4,533,586A discloses the subject-matter of the preamble of claim 1 having a web of adhesive labels.

Die DE 29 02 315 A1 offenbart ein Etikettiergerät und eine Formschneidevorrichtung hierfür.the DE 29 02 315 A1 discloses a labeling device and a shape cutting device therefor.

Aufgabe der vorliegenden Erfindung ist es daher, eine Etikettiervorrichtung zum Aufbringen von Etiketten auf Behältern bereitzustellen, mit der das Einfädeln des Etikettenbands erleichtert wird. Zur Lösung dieser Aufgabenstellung stellt die Erfindung eine Etikettiervorrichtung zum Aufbringen von Etiketten auf Behältern mit den Merkmalen des Anspruchs 1 bereit. Vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen genannt.It is therefore the object of the present invention to provide a labeling device for applying labels to containers, with which the threading of the label strip is made easier. To solve this problem, the invention provides a labeling device for applying labels to containers with the features of claim 1. Advantageous embodiments of the invention are specified in the dependent claims.

Dadurch, dass die Antriebseinheit das Kunststoffleitelement mit der zur Förderwalze hin gerichteten Führungsfläche umfasst, die bogenartig um die Förderwalze herum ausgebildet ist, kann einerseits die Form des Kunststoffleitelements besonders gut an die Führungsfunktion angepasst werden. Andererseits hat sich herausgestellt, dass das Etikettenband durch das Kunststoffmaterial besonders wenig dazu neigt, an dem Kunststoffleitelement an zu haften. Folglich wird das Etikettenband durch das Kunststoffleitelement beim Einfädeln besonders gut um die Förderwalze herum geführt, wodurch das Einfädeln erleichtert wird.The fact that the drive unit includes the plastic guide element with the guide surface directed towards the conveyor roller, which is formed in an arc around the conveyor roller, means that the shape of the plastic guide element can be particularly well adapted to the guide function. On the other hand, it has been found that the label strip has a particularly low tendency to adhere to the plastic guide element due to the plastic material. Consequently it will The label strip is guided particularly well around the conveyor roller by the plastic guide element during threading, which makes threading easier.

Die Etikettiervorrichtung kann in einer Getränkeverarbeitungsanlage angeordnet sein. Die Etikettiervorrichtung kann einer Abfüllanlage zum Abfüllen eines Produkts in die Behälter nachgeordnet sein. Insbesondere kann die Etikettiervorrichtung einer Abfüllanlage für Kunststofflaschen nachgeordnet sein. Die Behälter können dazu vorgesehen sein, Getränke, Hygieneartikel, Pasten, chemische, biologische und/oder pharmazeutische Produkte aufzunehmen. Die Behälter können z.B. Flaschen, Dosen, vorzugsweise aus Kunststoff oder Glas sein.The labeling device can be arranged in a beverage processing plant. The labeling device can be arranged downstream of a bottling plant for bottling a product into the containers. In particular, the labeling device can be arranged downstream of a filling system for plastic bottles. The containers can be intended to hold beverages, hygiene articles, pastes, chemical, biological and/or pharmaceutical products. The containers can be, for example, bottles, cans, preferably made of plastic or glass.

Die Etiketten können dazu vorgesehen sein, ein in die Behälter abgefülltes Produkt zu kennzeichnen und/oder zu bewerben. Auf dem Etikettenband können seriell mehrere Etikettenaufdrucke aufgebracht sein.The labels may be intended to identify and/or advertise a product placed in the containers. Several label imprints can be serially applied to the label tape.

Die Etikettiervorrichtung kann ein Etikettieraggregat mit der Abspuleinheit, der Antriebseinheit und der Verarbeitungseinheit umfassen. Insbesondere kann die Etikettiervorrichtung einen Transporteur für die Behälter umfassen, an dem das Etikettieraggregat oder mehrere derartige Etikettieraggregate angeordnet sind. Der Transporteur kann als Karussell mit Behälteraufnahmen ausgebildet sein, an dem das Etikettieraggregat oder mehrere derartiger Etikettieraggregate umfänglich angeordnet sind. Die Behälteraufnahmen können vorzugsweise drehbar ausgebildet sein, um die Behälter bei der Übergabe des Etiketts gegenüber der Verarbeitungseinheit zu drehen. Beispielsweise können die Behälteraufnahmen einen Drehteller und eine Zentrierglocke umfassen, um die Behälter darin aufzunehmen.The labeling device can include a labeling unit with the unwinding unit, the drive unit and the processing unit. In particular, the labeling device can comprise a conveyor for the containers, on which the labeling unit or a plurality of such labeling units are arranged. The conveyor can be designed as a carousel with container receptacles, on which the labeling unit or several such labeling units are arranged circumferentially. The container receptacles can preferably be designed to be rotatable in order to rotate the containers relative to the processing unit when the label is transferred. For example, the container receptacles can include a turntable and a centering bell to accommodate the containers therein.

Die Abspuleinheit kann mehrere Vorratsrollen und eine Spleiß-Einheit umfassen, um eine unterbrechungsfreie Versorgung der Etikettiervorrichtung mit dem Etikettenband zu gewährleisten. Darüber hinaus kann die Etikettiervorrichtung einen Zwischenpuffer für das Etikettenband umfassen, um das Zusammenfügen zweier Etikettenbänder mit der Spleiß-Einheit zu überbrücken.The unwinding unit can include several supply rolls and a splicing unit in order to ensure an uninterrupted supply of the labeling device with the label tape. In addition, the labeling device can include an intermediate buffer for the label tape in order to bridge the joining of two label tapes with the splicing unit.

Die Antriebseinheit kann einen Elektromotor umfassen, um die Förderwalze anzutreiben. Der Elektromotor kann vorzugsweise ein Servomotor sein, der mit einer Steuerungseinheit regelbar ist. Mit Kunststoffleitelement kann hier ein Führungselement für das Etikettenband aus einem Kunststoffmaterial gemeint sein.The drive unit may include an electric motor to drive the conveyor roller. The electric motor can preferably be a servo motor that can be regulated with a control unit. A plastic guide element can mean a guide element for the label strip made of a plastic material.

Zudem kann die Etikettiervorrichtung weitere Umlenkrollen umfassen, um das Etikettenband zwischen der wenigstens einen Vorratsrolle und der Verarbeitungseinheit zu führen. Denkbar ist auch, dass die Etikettiervorrichtung eine Laufregelungseinheit umfasst, um die genaue Position des Etikettenbands gegenüber der nachfolgenden Antriebseinheit und der Verarbeitungseinheit einzustellen.In addition, the labeling device can include further deflection rollers in order to guide the label strip between the at least one supply roll and the processing unit. It is also conceivable that the labeling device includes a running control unit in order to set the exact position of the label strip in relation to the subsequent drive unit and the processing unit.

Zur Steuerung der Abspuleinheit, der Antriebseinheit und/oder der Verarbeitungseinheit kann die Etikettiervorrichtung eine Steuerungseinheit umfassen. Vorzugsweise kann die Steuereinheit als Maschinensteuerung mit einem Prozessor, einer Speichereinheit, einer Datenschnittstelle, einem Bildschirm und/oder mit einer Eingabeeinheit umfassen.The labeling device can comprise a control unit for controlling the unwinding unit, the drive unit and/or the processing unit. The control unit can preferably comprise a machine control with a processor, a memory unit, a data interface, a screen and/or with an input unit.

Das Kunststoffleitelement kann ein antistatisches Kunststoffmaterial zur Führung des Etikettenbands umfassen, um eine statische Aufladung des Etikettenbands beim Einfädeln abzuleiten. Dadurch wird vermieden, dass das Etikettenband beim Einfädeln durch die statische Aufladung am Kunststoffleitelement anhaftet. Denkbar ist, dass das antistatische Kunststoffmaterial mit einem elektrischen Massepol verbunden ist, um die statische Aufladung abzuleiten.The plastic guiding element can comprise an antistatic plastic material for guiding the label tape in order to dissipate static charging of the label tape during threading. This prevents the label strip from adhering to the plastic guide element due to static charging during threading. It is conceivable that the anti-static plastic material is connected to an electrical ground pole in order to dissipate the static charge.

Die Führungsfläche des Kunststoffleitelements ist mit Rippen ausgebildet, um ein Luftpolster beim Einfädeln des Etikettenbands abzuleiten. Dadurch wird vermieden, dass das Luftpolster der Einfädelbewegung des Etikettenbands entgegenwirkt.The guide surface of the plastic guide element is designed with ribs in order to divert an air cushion when threading the label tape. This prevents the air cushion from counteracting the threading movement of the label strip.

Denkbar ist, dass die Rippen längs zu der bogenartigen Ausbildung der Führungsfläche verlaufen. Dadurch wird das Luftpolster besonders schnell während der Bewegung des Etikettenbands abgeleitet. Anders ausgedrückt können die Rippen beim Einfädeln längs einer Förderrichtung des Etikettenbands und/oder parallel zu einer Längskante des Etikettenbands verlaufen. Vorzugsweise kann das Kunststoffleitelement wenigstens 10, vorzugsweise wenigstens 20 der Rippen umfassen. Insbesondere können die Rippen zueinander parallel angeordnet sein.It is conceivable that the ribs run lengthwise to the arc-like formation of the guide surface. As a result, the air cushion is discharged particularly quickly during the movement of the label strip. In other words, during threading, the ribs can run along a conveying direction of the label strip and/or parallel to a longitudinal edge of the label strip. The plastic guide element can preferably comprise at least 10, preferably at least 20, of the ribs. In particular, the ribs can be arranged parallel to one another.

Das Kunststoffleitelement kann an einer Eingangsseite mit einer Einführfase ausgebildet sein, um das Etikettenband beim Einfädeln in einen Zwischenraum zwischen das Kunststoffleitelement und die Förderwalze hineinzuleiten. Dadurch wird ein sich verjüngender Spalt zwischen dem Kunststoffleitelement und der Förderwalze gebildet, um das Einfädeln zu unterstützen. Insbesondere kann die Einführfase quer zum Etikettenband verlaufen. Bei der Einführfase kann es sich um eine zu den Rippen und/oder zu der bogenartigen Ausbildung der Führungsfläche quer verlaufende Abschrägung des Kunststoffleitelements handeln.The plastic guiding element can be designed with an insertion chamfer on an input side in order to guide the label strip into a gap between the plastic guiding element and the conveyor roller when it is being threaded. This creates a tapering gap between the plastic guide member and the feed roller to aid threading. In particular, the insertion bevel can run transversely to the label strip. The insertion bevel can be a bevel of the plastic guide element running transversely to the ribs and/or to the arc-like configuration of the guide surface.

Die Antriebseinheit kann eine Andrückwalze umfassen, um das Etikettenband gegen die Förderwalze zu drücken. Dadurch wird eine definierte Kraftübertragung zwischen der Förderwalze und dem Etikettenband beim Fördern gewährleistet. Die Andrückwalze kann mittels eines Federmechanismus gegen die Förderwalze gedrückt werden. Vorzugsweise verlaufen die Achsen der Förderwalze und der Andrückwalze parallel zueinander.The drive unit can include a pressure roller in order to press the label tape against the feed roller. This ensures a defined power transmission between the conveyor roller and the label strip during conveying. The pressure roller can be pressed against the conveyor roller by means of a spring mechanism. The axes of the conveyor roller and the pressure roller preferably run parallel to one another.

Das Kunststoffleitelement kann an der Förderwalze stromabwärts nach der Andrückwalze angeordnet sein. Dadurch kann der Bediener das Etikettenband zwischen die Förderwalze und die Andrückwalze einführen und anschließend wird es durch das Kunststoffleitelement automatisch zur Verarbeitungseinheit hingeführt. Insbesondere kann das Kunststoffleitelement unmittelbar nach der Andrückwalze umfänglich an der Förderwalze angeordnet sein.The plastic guide element can be arranged on the conveyor roller downstream after the pressure roller. This allows the operator to insert the label strip between the feed roller and the pressure roller and it is then automatically guided to the processing unit by the plastic guide element. In particular, the plastic guide element can be arranged circumferentially on the conveyor roller immediately after the pressure roller.

Die Vereinzelungseinheit kann eine Schneidvorrichtung umfassen, um das Etikettenband in die Etiketten zu vereinzeln, wobei die Antriebseinheit entlang des Etikettenbands unmittelbar vor der Schneidvorrichtung angeordnet ist. Dadurch wird das Etikettenband mittels des Kunststoffleitelements ab der Förderwalze bis hin zur Schneidvorrichtung geführt, um es so automatisch in die Schneidvorrichtung einzufädeln.The separating unit can include a cutting device in order to separate the label strip into the labels, with the drive unit being arranged along the label strip directly in front of the cutting device. As a result, the label strip is guided by the plastic guide element from the conveyor roller to the cutting device in order to automatically thread it into the cutting device.

Die Schneidvorrichtung kann einen Vakuumzylinder und eine Messerwalze umfassen, die beim Vereinzeln des Etikettenbands gegen den Vakuumzylinder wirkt. Zudem kann die Verarbeitungseinheit nach der Schneidvorrichtung ein Leimwerk und/oder einen Greiferzylinder umfassen, um die vereinzelten Etiketten zu beleimen und an die Behälter zu übergeben.The cutting device can include a vacuum cylinder and a knife roller, which acts against the vacuum cylinder when the label strip is separated. In addition, after the cutting device, the processing unit can include a gluing unit and/or a gripper cylinder in order to apply glue to the individual labels and transfer them to the containers.

Eine Ausgangsseite des Kunststoffleitelements kann zur Schneidvorrichtung hin gerichtet sein, um das Etikettenband zu Schneidvorrichtung hin zu führen, insbesondere in einem Zwischenraum zwischen den Vakuumzylinder und der Messerwalze. Durch den Vakuumzylinder wird das Etikettenband nach dem Kunststoffleitelement und der Förderwalze automatisch angesaugt und so besonders zuverlässig in die Schneidvorrichtung eingeführt.An output side of the plastic guide element can be directed towards the cutting device in order to guide the label tape towards the cutting device, in particular in a gap between the vacuum cylinder and the knife roller. The label strip is automatically sucked in by the vacuum cylinder after the plastic guide element and the conveyor roller and is thus fed into the cutting device in a particularly reliable manner.

Weitere Merkmale der Erfindung werden nachfolgend anhand der in den Figuren dargestellten Ausführungsbeispiele näher erläutert. Dabei zeigt:

Figur 1
ein Ausführungsbeispiel einer erfindungsgemäßen Etikettiervorrichtung zum Aufbringen von Etiketten auf Behältern in einer Draufsicht;
Figur 2
ein Detail der Figur 1 im Bereich der Antriebseinheit, des Kunststoffleitelements und der Schneidvorrichtung als Draufsicht; und
Figur 3A - 3B
zwei perspektivische Ansichten des Kunststoffleitelements aus der Figur 1 und 2 von schräg oben.
Further features of the invention are explained in more detail below with reference to the exemplary embodiments illustrated in the figures. It shows:
figure 1
an embodiment of a labeling device according to the invention for applying labels to containers in a plan view;
figure 2
a detail of figure 1 in the area of the drive unit, the plastic guide element and the cutting device as a plan view; and
Figure 3A - 3B
two perspective views of the plastic guide element from the figure 1 and 2 from diagonally above.

In der Figur 1 ist ein Ausführungsbeispiel der erfindungsgemäßen Etikettiervorrichtung 1 zum Aufbringen von Etiketten 5a auf Behältern 2 in einer Draufsicht dargestellt.In the figure 1 an embodiment of the labeling device 1 according to the invention for applying labels 5a to containers 2 is shown in a plan view.

Zu sehen ist die Etikettiervorrichtung 1, mit der das Etikettenband 5 in einzelne Etiketten 5a verarbeitet wird, die dann an die Behälter 2 übergeben werden. Darüber hinaus ist zu sehen, dass die Behälter 2 bei der Etikettierung in drehbaren Behälteraufnahmen 4 des Transporteurs 3 aufgenommen und an der Etikettiervorrichtung 1 vorbeigefahren werden. Dabei können die Behälter 2 während der Übergabe der Etiketten 5a gedreht werden, so dass sie rundum oder nur teilweise etikettiert werden können.The labeling device 1 can be seen, with which the strip of labels 5 is processed into individual labels 5a, which are then transferred to the containers 2. It can also be seen that the containers 2 are received in rotatable container receptacles 4 of the conveyor 3 during the labeling and are moved past the labeling device 1 . The containers 2 can be rotated while the labels 5a are being transferred, so that they can be labeled all around or only partially.

Die Etikettiervorrichtung 1 selbst umfasst eine Abspuleinheit 20 zur Aufnahme der beiden Vorratsrollen 21 und 22. In der Figur 1 wird gerade das Etikettenband 5 von der Vorratsrolle 21 abgespult. Wird dessen Ende erreicht, so wird es mit der Spleiß-Einrichtung 23 mit dem Anfang des Etikettenbands von der Vorratsrolle 22 verbunden. Dadurch ist ein unterbrechungsfreier Betrieb gewährleistet.The labeling device 1 itself comprises an unwinding unit 20 for receiving the two supply rolls 21 and 22. In the figure 1 the label tape 5 is being unwound from the supply roll 21. When its end is reached, it is connected to the beginning of the label strip from the supply roll 22 by the splicing device 23 . This ensures uninterrupted operation.

Des Weiteren ist die Zwischenpuffereinheit 30 mit der starren Rolleneinheit 31 und der bewegbaren Rolleneinheit 32 zu sehen. Die Rolleneinheiten 31, 32 umfassen jeweils mehrere unterschiedlich große Umlenkrollen, um die das Etikettenband 5 in mehreren Schlaufen geführt wird. Um mehr Etikettenband 5 in der Zwischenpuffereinheit 30 zu speichern, kann die bewegbare Rolleneinheit 32 von der starren Rolleneinheit 31 mit einem hier nicht dargestellten Federelement wegbewegt werden. Dadurch wird die Schlaufenlänge entsprechend vergrößert. Zur Entnahme des Etikettenbands 5 aus der Zwischenpuffereinheit 30 erfolgt die Bewegung entsprechend umgekehrt, so dass die Schlaufenlänge verringert wird. Dadurch wird beim Verbinden der Etikettenbänder 5 von den Vorratsrollen 21, 22 mittels der Spleiß-Einrichtung 23 die dafür benötigte Zeit überbrückt.Furthermore, the intermediate buffer unit 30 with the rigid roller unit 31 and the movable roller unit 32 can be seen. The roller units 31, 32 each comprise a plurality of deflection rollers of different sizes, around which the label strip 5 is guided in a plurality of loops. In order to store more label tape 5 in the intermediate buffer unit 30, the movable roller unit 32 can be moved away from the rigid roller unit 31 with a spring element, not shown here. This increases the loop length accordingly. To remove the label strip 5 from the intermediate buffer unit 30, the movement is correspondingly reversed, so that the loop length is reduced. As a result, when connecting the label strips 5 from the supply rolls 21, 22 by means of the splicing device 23, the time required for this is bridged.

Des Weiteren ist die Laufregelungseinheit 60 zu sehen, um die genaue Position des Etikettenbands 5 gegenüber der nachfolgenden Antriebseinheit 40 und der Verarbeitungseinheit 50 einzustellen. Dabei wird insbesondere die Spur des Etikettenbandes geregelt, um die Etikettenhöhe positionsgenau zu halten, d.h. dass die Position des Etikettenbandes bezogen auf den zu etikettierenden Behälter.Furthermore, the running control unit 60 can be seen in order to set the precise position of the label strip 5 in relation to the following drive unit 40 and the processing unit 50 . In particular, the track of the label strip is regulated in order to keep the label height in the exact position, i.e. the position of the label strip in relation to the container to be labeled.

Zum Antrieb des Etikettenbands 5 ist der Zwischenpuffereinheit 30 in Förderrichtung F die Antriebseinheit 40 nachgeordnet. Sie umfasst die Förderwalze 41 und die Andrückwalze 42, wobei die Förderwalze 41 mit einem hier nicht dargestellten Antrieb, vorzugsweise mit einem Servomotor angetrieben wird. Zwischen der Förderwalze 41 und der Andrückwalze 42 ist das Etikettenband 5 beispielsweise durch einen Federmechanismus so eingespannt, dass die Antriebskraft auf das Etikettenband 5 sicher übertragen wird. Mit der Antriebseinheit 40 wird also das Etikettenband 5 gezogen, so dass es von der Vorratsrolle 21 durch die Spleiß-Einheit 23, durch die Zwischenpuffereinheit 30 über die Laufregelungseinheit 60 bis hin zu der Umlenkrolle U4 gezogen wird.To drive the label strip 5, the drive unit 40 is arranged downstream of the intermediate buffer unit 30 in the conveying direction F. It comprises the feed roller 41 and the pressure roller 42, the feed roller 41 being driven by a drive, not shown here, preferably by a servomotor. The label strip 5 is clamped between the conveyor roller 41 and the pressure roller 42, for example by a spring mechanism, in such a way that the driving force is reliably transmitted to the label strip 5. With the drive unit 40, the label strip 5 pulled so that it is pulled from the supply roll 21 through the splicing unit 23, through the intermediate buffer unit 30 via the running control unit 60 to the deflection roller U 4 .

Anschließend wird das Etikettenband 5 der Verarbeitungseinheit 50 zugeführt. Hier wird es zunächst mit der Schneidvorrichtung 51 in einzelne Etiketten 5a vereinzelt, wobei eine in der Figur 2 genauer dargestellte Messerwalze 51a gegen einen Vakuumzylinder 51b wirkt. Dadurch können die Etiketten nach dem Vereinzeln sicher zu dem nachfolgenden Greiferzylinder 53 weitergeführt werden, der ebenfalls so ausgebildet ist, dass er die vereinzelten Etiketten 5a mittels eines Vakuums ansaugt. Die darauf anhaftenden Etiketten 5a werden mit dem Leimwerk 52 beleimt und dann an die Behälter 2 in den Behälteraufnahmen 4 übergeben.The label tape 5 is then fed to the processing unit 50 . Here it is first separated with the cutting device 51 into individual labels 5a, with one in the figure 2 knife roller 51a shown in more detail acts against a vacuum cylinder 51b. As a result, after being separated, the labels can be safely conveyed on to the following gripper cylinder 53, which is also designed in such a way that it sucks in the separated labels 5a by means of a vacuum. The labels 5a adhering thereto are glued with the gluing unit 52 and then transferred to the containers 2 in the container receptacles 4.

Zu sehen sind weiterhin die Umlenkrollen U1-4, um das Etikettenband von der Abspuleinheit 20 bis zur Antriebseinheit 40 zu führen.Also visible are the deflection rollers U 1-4 to guide the label strip from the unwinding unit 20 to the drive unit 40 .

Muss nun das Etikettenband bei der Inbetriebnahme oder nach einem Sortenwechsel in die Etikettiervorrichtung 1 neu eingefädelt werden, so ist der Platz zwischen der Förderwalze 41 und der Schneidvorrichtung 51 funktionsbedingt sehr klein. Um nun das Einfädeln des Etikettenbands 5 zu erleichtern, umfasst die Antriebseinheit 40 das Kunststoffleitelement 43, dass näher anhand der nachfolgenden Figuren 2, 3A und 3B erläutert wird.If the label tape has to be re-threaded into the labeling device 1 during commissioning or after a brand change, the space between the conveyor roller 41 and the cutting device 51 is very small due to the function. In order to facilitate the threading of the label strip 5, the drive unit 40 includes the plastic guide element 43 that is explained in more detail with reference to the following figures 2 , 3A and 3B is explained.

In der Figur 2 das Detail D der Figur 1 im Bereich der Antriebseinheit 40, des Kunststoffleitelements 43 und der Schneidvorrichtung 51 als Draufsicht dargestellt.In the figure 2 the detail D the figure 1 shown as a top view in the area of the drive unit 40, the plastic guide element 43 and the cutting device 51.

Das Schneidwerk 51 umfasst den Vakuumzylinder 51b und die Messerwalze 51a, die beim Vereinzeln des Etikettenbands 5 gegen den Vakuumzylinder 51b wirkt. Dazu umfasst die Messerwalze 51a zwei oder noch mehr Schneiden, die das Etikettenband 5 in die einzelnen Etiketten 5a zerschneidet. Die Antriebseinheit 40 ist entlang des Etikettenbands 5 unmittelbar vor der Schneidvorrichtung 51 angeordnet, so dass das Etikettenband 5 sicher zum Vakuumzylinder 51b geführt werden kann.The cutting unit 51 includes the vacuum cylinder 51b and the knife roller 51a, which acts against the vacuum cylinder 51b when the label strip 5 is separated. For this purpose, the knife roller 51a has two or more cutters, which cut the label strip 5 into the individual labels 5a. The drive unit 40 is arranged along the label tape 5 immediately in front of the cutting device 51, so that the label tape 5 can be reliably guided to the vacuum cylinder 51b.

Zu sehen ist weiterhin, dass das Etikettenband 5 zwischen der Förderwalze 41 und der dazu gegenläufig rotierenden Andrückwalze 42 geführt wird, so dass es in der Förderrichtung F gefördert wird. Durch den zuvor erwähnten Federmechanismus wird die Andrückwalze 42 zur Förderwalze 41 so hin gedrückt, dass die Antriebskraft sicher auf das Etikettenband 5 übertragen wird.It can also be seen that the label strip 5 is guided between the conveyor roller 41 and the pressure roller 42 rotating in the opposite direction thereto, so that it is conveyed in the conveying direction F. The pressure roller 42 is pressed toward the feed roller 41 by the aforementioned spring mechanism so that the driving force is transmitted to the label tape 5 securely.

Die Antriebseinheit 40 umfasst das Kunststoffleitelement 43 mit der zur Förderwalze 41 hin gerichteten Führungsfläche SF, die bogenartig um die Förderwalze 41 herum ausgebildet ist. Dadurch wird das Etikettenband 5 beim Einfädeln um die Förderwalze 41 herum geführt. Das Kunststoffleitelement 43 umfasst ein antistatisches Kunststoffmaterial zur Führung des Etikettenbands 5, wodurch eine statische Aufladung des Etikettenbands 5 beim Einfädeln abgeleitet wird, beispielsweise zu einem Massepol hin.The drive unit 40 comprises the plastic guide element 43 with the guide surface S F which is directed towards the feed roller 41 and is formed in an arc around the feed roller 41 . As a result, the label strip 5 is guided around the feed roller 41 during threading. That Plastic guiding element 43 comprises an antistatic plastic material for guiding the label strip 5, as a result of which static charging of the label strip 5 is dissipated during threading, for example towards a ground pole.

Um das Einfädeln zu erleichtern, ist das Kunststoffleitelement an der Eingangsseite SE mit der Einführfase 43a ausgebildet, so dass das Etikettenband sicher in den Zwischenraum zwischen das Kunststoffleitelement 43 und die Förderwalze 41 hinein gegeben werden kann. Zu sehen ist auch, dass die Einführfase 43a quer zum Etikettenband 5 ausgebildet ist und so mit der Förderwalze 41 einen sich verjüngenden Spalt bildet.In order to facilitate threading, the plastic guide element is formed with the insertion chamfer 43a on the input side SE, so that the label strip can be safely inserted into the space between the plastic guide element 43 and the conveyor roller 41 . It can also be seen that the insertion bevel 43a is formed transversely to the label strip 5 and thus forms a tapering gap with the feed roller 41 .

Insbesondere ist zu sehen, dass das Kunststoffleitelement 43 an der Förderwalze 41 stromabwärts der Andrückwalze 42 angeordnet ist und, dass eine Ausgangsseite SA des Kunststoffleitelements 43 zur Schneidvorrichtung 51 hin gerichtet ist. Dadurch wird das Etikettenband 5 beim Einfädeln automatisch ab der Andrückwalze 42 bis hin zur Schneidvorrichtung 51 sicher zwischen der Förderwalze 41 und dem Kunststoffleitelement 43 geführt.In particular, it can be seen that the plastic guide element 43 is arranged on the conveyor roller 41 downstream of the pressure roller 42 and that an output side S A of the plastic guide element 43 is directed towards the cutting device 51 . As a result, the label strip 5 is automatically guided safely between the feed roller 41 and the plastic guide element 43 from the pressure roller 42 up to the cutting device 51 during threading.

Das Kunststoffleitelement 43 aus den Figuren 1 und 2 ist einzeln genauer in zwei perspektivischen Ansichten der Figuren 3A und 3B dargestellt. Zu sehen ist das Kunststoffleitelement 43 in der Figur 3A im Wesentlichen tangential zur Förderwalze 41 und in der Figur 3B im Wesentlichen senkrecht auf die Führungsfläche SF.The plastic guide element 43 from the figures 1 and 2 is more detailed in two perspective views of the Figures 3A and 3B shown. You can see the plastic guide element 43 in FIG Figure 3A substantially tangential to the conveyor roller 41 and in the Figure 3B essentially perpendicular to the guide surface S F .

Zu sehen ist im Detail, dass die Einführfase 43a als eine an der Eingangsseite SE zur Führungsfläche SF abgeschrägte Fläche ausgebildet ist, um zusammen mit der in der Figur 2 dargestellten Förderwalze 41 einen sich verjüngenden Spalt zu bilden. Dadurch kann das Etikettenband 5 beim Einfädeln zuverlässiger geführt werden.It can be seen in detail that the insertion chamfer 43a is designed as a surface that is beveled on the input side S E toward the guide surface S F in order to, together with the one in FIG figure 2 shown conveyor roller 41 to form a tapering gap. As a result, the label strip 5 can be guided more reliably during threading.

Darüber hinaus ist zu sehen, dass die Führungsfläche SF mit Rippen 43b ausgebildet ist, um ein Luftpolster beim Einfädeln des Etikettenbands 5 abzuleiten. Die Rippen 43b verlaufen vorzugsweise längs zu der bogenartigen Ausbildung der Führungsfläche SF, so dass das Luftpolster zur Ausgangsseite SA gedrückt wird. Anders ausgedrückt verlaufen die Rippen 43b tangential zur Förderrichtung F des Etikettenbands 5.In addition, it can be seen that the guide surface S F is designed with ribs 43b in order to divert an air cushion when the label strip 5 is threaded in. The ribs 43b preferably run lengthwise to the arcuate configuration of the guide surface S F , so that the air cushion is pushed toward the exit side SA . In other words, the ribs 43b run tangentially to the conveying direction F of the label strip 5.

Darüber hinaus ergibt sich durch die Rippen 43b eine besonders kleine Kontaktfläche zwischen dem Etikettenband 5 und der Führungsfläche SF des Kunststoffleitelements 43, wodurch die Reibung beim Einfädeln vermindert wird.In addition, the ribs 43b result in a particularly small contact surface between the label strip 5 and the guide surface S F of the plastic guide element 43, as a result of which the friction during threading is reduced.

Weiterhin sind die Befestigungselemente 43c zu sehen, die beim Spritzguss in einem Stück mit dem Kunststoffleitelement 43 gefertigt werden. Dadurch kann das Kunststoffleitelement 43 besonders einfach an der Etikettiervorrichtung 1 befestigt werden. Alternativ zum vorgenannten Spritzguss ist eine Fertigung mit Rapid Prototype / 3D-Druck denkbar.Furthermore, the fastening elements 43c can be seen, which are manufactured in one piece with the plastic guide element 43 during injection molding. As a result, the plastic guide element 43 can be attached to the labeling device 1 in a particularly simple manner. As an alternative to the aforementioned injection molding, production with rapid prototypes / 3D printing is conceivable.

Insgesamt wird die in den Fig. 1 - 3B gezeigte Etikettiervorrichtung 1 wie folgt eingesetzt:
In einem Einfädelbetrieb wird zunächst von einer Bedienperson ein Stück des Etikettenbands 5 von einer der Vorratsrollen 21 entnommen und, wie in der Fig. 1 dargestellt, in die Spleiß-Einheit 23, die Zwischenpuffereinheit 30, die Laufregelungseinheit 60 und in die Umlenkrollen U1 - U4 eingelegt. Nachfolgend wird das Etikettenband 5 durch die Bedienperson zwischen die Förderwalze 41 und die Andrückwalze 42 der Antriebseinheit 40 eingeklemmt, so dass es davon sicher gefördert werden kann.Overall, the in the Figures 1 - 3B labeling device 1 shown used as follows:
In a threading operation, a piece of the label strip 5 is first removed from one of the supply rolls 21 by an operator and, as in FIG 1 shown, in the splicing unit 23, the intermediate buffer unit 30, the running control unit 60 and in the deflection rollers U 1 - U 4 inserted. Subsequently, the label tape 5 is clamped by the operator between the feed roller 41 and the pressure roller 42 of the drive unit 40 so that it can be safely fed by them.

Durch Eingabe eines Kommandos an einer hier nicht dargestellten Steuerungseinheit wird dann das Etikettenband 5 automatisch mit der Antriebseinheit 40 weitergefördert und so in die Schneidvorrichtung 51 ohne manuellen Eingriff eingefädelt. Dabei wird das Etikettenband 5 durch die Führungsfläche SF des Kunststoffleitelements 43 so um die Förderwalze 41 herum geführt, dass es nachfolgend auf den Vakuumzylinder 51b trifft und davon angesaugt durch die Schneidvorrichtung 51 transportiert wird. Eine statische Aufladung wird durch das antistatische Kunststoffmaterial des Kunststoffleitelements 43 abgeleitet. Zudem wird auch ein durch das Etikettenband 5 beim Einfädeln entstehendes Luftpolster durch die Rippen 43b des Kunststoffleitelements 43 abgeführt.By entering a command at a control unit not shown here, the label strip 5 is then automatically conveyed further by the drive unit 40 and is thus threaded into the cutting device 51 without manual intervention. The label strip 5 is guided around the feed roller 41 by the guide surface S F of the plastic guide element 43 in such a way that it subsequently hits the vacuum cylinder 51b and is sucked by it and transported through the cutting device 51 . Static charge is dissipated by the anti-static plastic material of the plastic guide element 43 . In addition, an air cushion produced by the label strip 5 during threading is also discharged through the ribs 43b of the plastic guide element 43.

Durch das Kunstoffleitelement 43 wird das Etikettenband 5 automatisch beim Einfädeln so geführt, dass es automatisch in die Schneidvorrichtung 51 eingezogen wird. Dadurch wird das Einfädeln des Etikettenbands 5 erleichtert.The label strip 5 is automatically guided by the plastic guide element 43 during threading in such a way that it is automatically drawn into the cutting device 51 . This makes it easier to thread the label strip 5 in.

In einem Etikettierbetrieb wird dann die Antriebsgeschwindigkeit der Antriebseinheit 40 heraufgefahren und das Etikettenband 5 mit der Schneidvorrichtung 51 in einzelne Etiketten 5a vereinzelt. Dabei wirkt die Messerwalze 51a mit seinen Schneiden gegen den Vakuumzylinder 51b, wodurch das Etikettenband 5 zerschnitten wird. Die vereinzelten Etiketten 5a haften durch das Vakuum beim Transport weiter am Vakuumzylinder 51b an, bis sie an den Greiferzylinder 53 übergeben werden.In a labeling operation, the drive speed of the drive unit 40 is then increased and the label strip 5 is separated into individual labels 5a by the cutting device 51 . The knife roller 51a acts with its cutting edges against the vacuum cylinder 51b, as a result of which the label strip 5 is cut. The isolated labels 5a continue to adhere to the vacuum cylinder 51b during transport due to the vacuum until they are transferred to the gripper cylinder 53.

Die vom Greiferzylinder 53 übernommenen Etiketten 5a werden zunächst mit dem Leimwerk 52 beleimt und dann am Karussell 3 auf die Behälter 2 aufgebracht.The labels 5a taken over by the gripper cylinder 53 are first glued with the gluing unit 52 and then applied to the containers 2 on the carousel 3 .

Es versteht sich, dass in dem zuvor beschriebenen Ausführungsbeispiel genannte Merkmale nicht auf diese speziellen Kombinationen beschränkt sind.It goes without saying that the features mentioned in the exemplary embodiment described above are not limited to these special combinations.

Claims (9)

  1. Labelling device (1) for applying labels (5a) to containers (2), comprising
    - an unwinding unit (20) for receiving at least one supply roll (21, 22) having a label strip (5);
    - a drive unit (40) having a driven conveying roller (41) for conveying the unwound label strip (5); and
    - comprising a processing unit (50) arranged downstream of the drive unit (40) for separating the label strip (5) into the labels (5a), for optional gluing and for transferring the labels to the containers (2),
    the drive unit (40) comprising a guide element (43) having a guide surface (SF) which is directed towards the conveying roller (41) and is designed so as to be arched around the conveying roller (41) in order to guide the label strip (5) around the conveying roller (41) during threading, characterised in that the guide element is a plastics element, and in that the guide surface (SF) is formed with ribs (43b) in order to discharge an air cushion when threading the label strip (5).
  2. Labelling device (1) according to claim 1, wherein the plastics guide element (43) comprises an antistatic plastics material for guiding the label strip (5) in order to discharge a static charging of the label strip (5) during threading.
  3. Labelling device (1) according to either claim 1 or claim 2, wherein the ribs (43b) extend along the arch-like design of the guide surface (SF).
  4. Labelling device (1) according to any of the preceding claims, wherein the plastics guide element (43) is formed on an entry side (SE) with an entry chamfer (43a) in order to introduce the label strip (5) into an intermediate space between the plastics guide element (43) and the conveying roller (41) during threading.
  5. Labelling device (1) according to any of the preceding claims, wherein the drive unit (40) comprises a pressure roller (42) for pressing the label strip (5) against the conveying roller (41).
  6. Labelling device (1) according to any of the preceding claims, wherein the plastics guide element (43) is arranged on the conveying roller (41) downstream of the pressure roller (42).
  7. Labelling device (1) according to any of the preceding claims, wherein the separating unit (50) comprises a cutting device (51) for separating the label strip (5) into the labels (5a), and wherein the drive unit (40) is arranged along the label strip (5) directly in front of the cutting device (51).
  8. Labelling device (1) according to claim 7, wherein the cutting device (51) comprises a vacuum cylinder (51b) and a knife roller (51a) which acts against the vacuum cylinder (51b) when the label strip (5) is separated.
  9. Labelling device (1) according to either claim 7 or claim 8, wherein an exit side (SA) of the plastics guide element (43) is directed towards the cutting device (51) in order to guide the label strip (5) towards the cutting device (51), in particular into an intermediate space between the vacuum cylinder (51b) and the knife roller (51a).
EP18215303.1A 2018-02-28 2018-12-21 Labelling device for applying labels to containers Active EP3533719B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018101089.1U DE202018101089U1 (en) 2018-02-28 2018-02-28 Labeling device for applying labels to containers

Publications (2)

Publication Number Publication Date
EP3533719A1 EP3533719A1 (en) 2019-09-04
EP3533719B1 true EP3533719B1 (en) 2022-11-16

Family

ID=61695450

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Application Number Title Priority Date Filing Date
EP18215303.1A Active EP3533719B1 (en) 2018-02-28 2018-12-21 Labelling device for applying labels to containers

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EP (1) EP3533719B1 (en)
CN (1) CN210259155U (en)
DE (1) DE202018101089U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018107275U1 (en) * 2018-12-19 2020-03-20 Krones Ag Labeling device for containers
DE202018107276U1 (en) * 2018-12-19 2020-03-20 Krones Ag Labeling device with guide device
DE102020105817A1 (en) 2020-03-04 2021-09-09 Krones Aktiengesellschaft Labeling device for containers
CN113120369A (en) * 2021-03-31 2021-07-16 杭州丙甲科技有限公司 Roll-pressing type plane labeling mechanism and control method thereof
IT202100012035A1 (en) * 2021-05-11 2022-11-11 Sidel Participations Sas LABELING MODULE FOR APPLYING LABELS MADE FROM A STRIP OF LABELING MATERIAL ON CONTAINERS SUITABLE FOR CONTAINING A POURABLE PRODUCT

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1035324A (en) * 1974-09-23 1978-07-25 B And H Manufacturing Company Label applying apparatus and method
GB2012717B (en) * 1978-01-23 1982-05-19 B & J Mfg Co Method of applying labels label applying apparatus and die cutter therefor
FI832840A (en) * 1982-08-09 1984-02-10 Willett Int Ltd ANORDINATION AND FARING EQUIPMENT FOR APPLICATION AV ETIKETTER
JPS6044298A (en) * 1983-08-22 1985-03-09 光洋自動機株式会社 Manufacture of punching label, etc.
US4533586A (en) * 1984-03-08 1985-08-06 American Bank Note Company Web of adhesive labels
IT1186614B (en) * 1985-09-03 1987-12-04 Gd Spa DEVICE FOR THE FEEDING AND CUTTING OF A TAPE OF LABELS
DE29904561U1 (en) 1999-03-12 1999-06-10 KRONES AG, 93073 Neutraubling Labeling device for processing a label tape
DE202005002793U1 (en) 2005-02-22 2005-04-21 Krones Ag Labeling machine for containers such as jars, cans and bottles comprises a cutting unit formed by a rotating vacuum roll and a rotating separation element with at least one separation tool

Also Published As

Publication number Publication date
EP3533719A1 (en) 2019-09-04
CN210259155U (en) 2020-04-07
DE202018101089U1 (en) 2018-03-07

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