EP2495179A2 - Labelling device - Google Patents
Labelling device Download PDFInfo
- Publication number
- EP2495179A2 EP2495179A2 EP12153298A EP12153298A EP2495179A2 EP 2495179 A2 EP2495179 A2 EP 2495179A2 EP 12153298 A EP12153298 A EP 12153298A EP 12153298 A EP12153298 A EP 12153298A EP 2495179 A2 EP2495179 A2 EP 2495179A2
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- EP
- European Patent Office
- Prior art keywords
- label
- pallet
- gripper
- container
- labeling
- 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.)
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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
- B65C9/12—Removing separate labels from stacks
- B65C9/16—Removing separate labels from stacks by wetting devices
Definitions
- the invention relates to a labeling device according to the preamble of patent claim 1 and a method for labeling according to the preamble of claim 8.
- the object of the present invention is to decisively reduce the changeover times of a labeling machine / apparatus in view of the problems discussed with reference to the prior art and to reduce or even eliminate the need to change format parts of the labeling unit, in particular the gripper cylinders, when changing labels ,
- the invention provides a labeling device with at least one labeling unit for labeling containers, wherein the labeling unit further comprises: a pallet rotor with at least one pallet shaft, the pallet shaft with at least one pallet; at least one label container / label magazine, with a gripper cylinder with at least one gripper with one or more gripper fingers, wherein the pallet is arranged offset on the pallet shaft such that upon acceptance of a label from the label container, the front edge of the pallet based on the direction of rotation of the pallet rotor the corresponding edge of the labels is aligned in the label container.
- the front edge of the pallet As the front edge of the pallet, the front edge with respect to the direction of rotation and the outer side of the pallet with respect to the axis of rotation of the pallet rotor is considered, so the side of the pallet on which a label can be applied.
- the gripper adjustment of the labeling of the labeling / machine can always have the same setting, so remain unchanged.
- the pallet can have a suitable, slightly curved shape so that it can roll in the circumferential direction relative to the label in the label container. The front edge of the pallet thus concludes practically flush with the corresponding edge of the label to be picked up by her.
- the orientation is thus in a plane parallel to the pallet rotor, ie perpendicular to the axis of rotation of the pallet rotor.
- an alignment with regard to the label height can also take place, in this case the front edge of the pallet and a corner of the front edge, for example the upper corner, serve as a reference for the alignment.
- different label widths can be processed with the same gripper cylinder, which has the great advantage that the costs for the gripper cylinder and the changeover times for the labeller / - device can be significantly reduced.
- Such a solution is particularly useful for cold glue labeling, especially for labeling, which process only one label per Etikettieraggregat. This is especially attractive for machines with a high number of different equipment, that is, different labels that are processed by an aggregate, advantageously only the different labels must be changed.
- the pallet is typically designed for the maximum run length, in particular the maximum label width.
- the pallets are typically slightly curved so that they can roll against the labels to be removed from the label container.
- the label height can also or additionally be considered, and an alignment with the maximum label height is possible.
- thereby different label widths can be processed with the same gripper cylinder, and a change of the gripper cylinder is not required up to a maximum development length, which by the aggregate parameters, ie size or circumference of the turntables of the unit and a maximum possible number of gripper and pallet elements per table is given. That is, as long as the unit does not need to be replaced, not even the elements of the unit must be replaced, and once found cooperation position of the elements to each other need not or only minimal readjusted substantially.
- a fine adjustment of the components of the unit to each other can therefore be made accordingly manually or by motor or automatically controlled.
- the described labeling apparatus of the present invention may further comprise that the labeling unit is adjustable relative to a conveyor table on which the containers to be labeled are transported, such that the containers transported on the conveyor table take over the label transported by the gripper in the middle of the label.
- the conveyor table transports the containers to be labeled, which take over the label transported by the gripper at a certain point.
- the application of the label from the gripper to container, ie the transfer / transfer is typically done by well-understood processes. In this case, for example, particular emphasis is placed on the possibility that the container will take over the label transported by the gripper in the middle of the label, ie in the middle.
- This can be achieved by a relative movement of the labeling and conveying table, wherein at least one or both of the two units, ie labeling and / or conveyor table by a suitable control, for example by a servo motor, can be moved and thus start a position relative to the other unit.
- each gripper of the gripper cylinder is adjustable relative to the conveyor table so in the plane of the conveyor table, such that the container can take over the transported by the gripper label in the middle of the label.
- a center transfer typically refers to the fact that the center of the label is transferred substantially perpendicular to the conveyor table and the container transported thereon, ie substantially perpendicular to the tangent to the conveyor table and container.
- each of the turntables is typically rotatable by a servo drive about its central axis perpendicular to the driver's table, such that after taking over the label from the gripper to a container, the pressing elements of the label press against the container at least over the entire width of the label.
- the pressing elements are typically arranged downwardly with respect to the label transfer point, along the outer circumference of the turntable.
- a rotation of the turntable as described above should be with respect to the center axis of the conveyor table in the region of the pressing element a one or more times reciprocating movement by a rotation angle of 90 ° or more for each rotational movement.
- a rotation angle should be suitably greater than 90 °.
- the invention further provides a labeling method for labeling containers with a labeling apparatus as described above, the method comprising the steps of: aligning the leading edge of the pallet with respect to the direction of rotation on the corresponding edge of the labels and label containers; Aligning the labeling unit in such a way that the containers take over the label transported by the gripper in the middle of the label; Gluing the pallet of the labeling unit, taking over the label from the label container / magazine by means of the glued pallet; Grasping the label by the gripper fingers of a gripper and Apply the label from the pallet to the gripper; Transferring the label from the gripper to the container; Press the label onto the container.
- the container when pressing the label to the container can be rotated so that the container relative to the pressing element undergoes a rotation angle in a reciprocate so that the labels are pressed at least over its entire width to the container.
- FIG. 1 shows a labeling / -machine according to the present invention with conveyor units 1 for transporting the containers to be labeled 1 F, which are divided by a division unit 2, for example, a Eingnacsschnecke and by a star 3 for sorting on the rotating in the figure in the clockwise direction Conveyor table 6 are sorted. After the containers have essentially passed through the entire circulation of the conveyor table at its edge and have been labeled among other things, the container 1 F are sorted out by a further star 4 from the conveyor table and transported on. During the circulation on the conveyor table, the containers are labeled by means of the labeling unit 10 and the labels are pressed by the pressing or pressing elements 25.
- a division unit 2 for example, a Einottisschnecke
- a star 3 for sorting on the rotating in the figure in the clockwise direction Conveyor table 6 are sorted.
- the labeling unit 10 which is typically constructed on a base plate or base table not shown here, comprises at least one label container or label magazine 11, a glue dispenser with glue roller 13, a pallet carousel or pallet rotor 12 with a pallet rotor shaft or pallet carousel axis 15, and pallets / gluing segments 18 suitably attached to pallet shafts 19.
- the pallet shafts 19 may have suitable cross sections, in particular round or square or polygonal cross sections, corresponding to the mounting system suitable for the unit.
- the labeling unit further comprises a gripper cylinder 30 with a gripper cylinder shaft 16, and gripper elements 20, hereinafter referred to as grippers.
- FIG. 2 the present invention shows a fragmentary elements of a Etikettieraggregats, in particular a pallet rotor with a pallet rotor axis 15, an upper pallet rotor part 26 and a lower pallet rotor part 27, and pallet shafts, which are mounted vertically between the lower part and the upper part, wherein the pallet shafts substantially parallel to the pallet rotor axis 15 stand.
- the pallet shafts are enclosed in pallet shaft holders 28 which are fixed with corresponding screws 29.
- the pallet shafts carry pallets 18 indicative of, by way of example, three different label widths 18.1, 18.2 and 18.3, hereinafter also referred to as EW1, EW2 and EW3, corresponding to the orientations of the pallets relative to labels consisting of a label container as in FIG. 1 shown, can be removed.
- FIG. 2 a gripper cylinder 30 with gripper cylinder shaft 16 and a direction of rotation arrow 50 of the gripper cylinder, which is indicated on the upper side of the gripper cylinder.
- the gripper cylinder 30 has gripper elements which consist of gripper sponges 22 gripper fingers 23 and gripper finger counterholds, for example, stops or anvils 24.
- the gripper fingers 23 remove the label from the pallets 18 with respect to the pallet edge and thus label edge 21.
- FIG. 3 shows in an enlargement a pallet 18, which may also be curved, on which the various label widths 18.1, 18.2 and 18.3 are indicated, in addition, a label width EW4 is indicated.
- the label width corresponds to the maximum label width or width EWmax.
- An alignment with respect to the height of the label is possible and the maximum label height EHmax is indicated in addition to the label width EWmax, so that an alignment of the pallet with respect to the label to be removed from the label container with respect to the front edge of the pallet 18 and the upper edge, ie a total of the top Corner of the pallet can be considered.
- an alignment with respect to the lower edge may be considered.
- FIG. 4 shows a top view of the interaction of the elements of the labeling of the labeling machine described above.
- the labeling unit relative to the conveyor table 6, the direction of rotation as well as the corresponding directions of rotation the elements of the labeling are indicated by arrows.
- FIG. 4 shows a top view of the interaction of the elements of the labeling of the labeling machine described above.
- the labeling unit relative to the conveyor table 6, the direction of rotation as well as the corresponding directions of rotation the elements of the labeling are indicated by arrows.
- the labeling unit contains a glue roller 13 and several pallet shafts with pallets 18, indicating that the areas of the pallet to be glued and the acceptance of labels from the label container / magazine 11 are to be considered with respect to the front edge of the pallet and the corresponding edge of the label, so that different label widths, indicated as EW1, EW2 and EW3, correspondingly cover different widths on the pallet 18, wherein these widths relate to the front edge of the pallets 18, which is considered with respect to the direction of the direction of the pallet rotor.
- the labels 18E are transferred from the pallets to the gripper cylinder 30, which rotates about the gripper cylinder axis 16, the gripper fingers 23, which are intended to pick up the labels from the pallets 18, at the front edge, relative to the direction of rotation of the pallets 18 relative are shown to the gripper cylinder 30.
- the labels 18E whose glued back side faces outwardly during transport with the gripper cylinder 30 while the printed side faces inwardly in the direction of gripper sponges 22, are moved in accordance with the direction of rotation of the gripper cylinder 30 and corresponding to where the gripper cylinder 30 reaches the area of the gripper cylinder 30 Delivered conveyor table 6, passed to the container to be labeled 1 F.
- the transfer to the container, that is in particular the opening of the gripper fingers 23 and the transfer of the labels 18E to be labeled to the outer surface of the container 1 F is done by well-understood methods using minimal pressure.
- the labeling unit can be displaced as a whole relative to the conveyor table at least in the plane of the conveyor table or, if necessary, also perpendicular thereto, in particular to ensure that a central transfer of the label 18E takes place to the container 1 F.
- the shift can be done by a servomotor, not shown here, and can be controlled automatically. Without a shift of the labeling, there is usually no central transfer of the label to the container 1 F, as in FIG. 5 outlined. In order to achieve a central transfer, so either the gripper element together with gripper sponge 22 and fingers 23 and tapped label 18E must be moved, or the labeling.
- FIG. 5 further shows the rotation angle 6W of the turntable 6D, on which the container to be labeled 1 F, which are not specifically shown here, are held, and shows in particular that in non-central transfer of the label 18E, here indicated by a transfer point 18M, a larger Angle of rotation 6W is necessary to achieve a sufficient rotation 6P of the container 1 F with respect to the conveyor table 6 and in particular the pressing elements 25.
- the rotational movement of the container 1 F with the turntable 6 D is necessary in view of the subsequent pressing of the label by means of the pressing or pressing 25 as in FIG. 1 shown.
- the direction of rotation of the turntable 6 is indicated by the arrow 60.
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Abstract
Description
Die Erfindung betrifft eine Etikettiervorrichtung nach dem Oberbegriff des Patentanspruchs 1 sowie ein Verfahren zum Etikettieren nach dem Oberbegriff des Patentanspruchs 8.The invention relates to a labeling device according to the preamble of patent claim 1 and a method for labeling according to the preamble of claim 8.
Etikettiermaschinen und Etikettiervorrichtungen für das Etikettieren von Behältern, insbesondere Flaschen, werden im Stand der Technik beschrieben.Labeling machines and labeling devices for labeling containers, in particular bottles, are described in the prior art.
Die
Ein weiteres Problem ist das Einmessen der Apparatur nach einem Wechsel von Einzelteilen. Beispielsweise beschreibt die
Im obigen Stand der Technik wird diskutiert, wie einzelne Elemente der Etikettiervorrichtung, insbesondere der Etikettieraggregate, also Paletten, Etikettenbehälter und Greiferzylinder in kooperierenden Positionen eingestellt werden. Dabei kann das Einstellen auch manuell oder mit Hilfe von Elektromotoren geschehen und Einzelteile der Etikettieraggregate können in radialer, in Umfangsrichtung, oder auch Höhenverstellbar justierbar sein. Im Stand der Technik wird ferner ein Etikett mittig auf einer Palette geführt, das heißt die Mitte des Etiketts bezüglich seiner Breite stimmt mit der Mitte der Palette überein, ferner wird es mittig auf einem Greifer transportiert. Dadurch werden allerdings, wie oben angedeutet, für jedes Etikettenformat, insbesondere bei unterschiedlicher Breite des Etiketts unterschiedliche Greifer bereitgestellt werden.In the above prior art is discussed how individual elements of the labeling, in particular the labeling, ie pallets, label containers and gripper cylinders are set in cooperating positions. The adjustment can also be done manually or by means of electric motors and items of labeling can be adjusted in the radial, circumferential direction or height adjustable. Furthermore, in the prior art, a label is centered on a pallet, that is, the center of the label in terms of its width coincides with the center of the pallet, and it is also transported centrally on a gripper. As a result, however, as indicated above, different grippers are provided for each label format, in particular for different widths of the label.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, angesichts der anhand des Stands der Technik diskutierten Probleme die Umrüstzeiten einer Etikettiermaschine/-vorrichtung entscheidend zu reduzieren und die Notwendigkeit des Auswechselns von Formatteilen des Etikettieraggregats, insbesondere der Greiferzylinder, bei Etikettenwechsel zu reduzieren oder gar überflüssig zu machen.The object of the present invention is to decisively reduce the changeover times of a labeling machine / apparatus in view of the problems discussed with reference to the prior art and to reduce or even eliminate the need to change format parts of the labeling unit, in particular the gripper cylinders, when changing labels ,
Diese Aufgabe wird mit einer Etikettiervorrichtung mit den Merkmalen des Patentanspruchs 1 sowie mit einem Verfahren zum Etikettieren mit den Merkmalen des Patentanspruchs 8 gelöst.This object is achieved with a labeling device having the features of patent claim 1 and with a method for labeling with the features of patent claim 8.
Die Erfindung stellt eine Etikettiervorrichtung bereit mit mindestens einem Etikettieraggregat zum Etikettieren von Behältern, wobei das Etikettieraggregat ferner umfasst: einen Palettenrotor mit mindestens einer Palettenwelle, die Palettenwelle mit mindestens einer Palette; mindestens einem Etikettenbehälter/Etikettenmagazin, mit einem Greiferzylinder mit mindestens einem Greifer mit einem oder mehreren Greiferfingern, wobei die Palette an der Palettenwelle versetzt angeordnet ist derart, dass bei Übernahme eines Etiketts aus dem Etikettenbehälter die vordere Kante der Palette bezogen auf die Drehrichtung des Palettenrotors auf die entsprechende Kante der Etiketten im Etikettenbehälter ausgerichtet ist.The invention provides a labeling device with at least one labeling unit for labeling containers, wherein the labeling unit further comprises: a pallet rotor with at least one pallet shaft, the pallet shaft with at least one pallet; at least one label container / label magazine, with a gripper cylinder with at least one gripper with one or more gripper fingers, wherein the pallet is arranged offset on the pallet shaft such that upon acceptance of a label from the label container, the front edge of the pallet based on the direction of rotation of the pallet rotor the corresponding edge of the labels is aligned in the label container.
Als vordere Kante der Palette wird die vordere Kante bezüglich der Drehrichtung und der äußeren Seite der Palette bezüglich der Drehachse des Palettenrotors betrachtet, also die Seite der Palette, auf die ein Etikett aufgebracht werden kann. Durch das Ausrichten der vorderen Kante der Palette bezüglich der entsprechenden Kante des Etiketts, also durch das versetzte Anbringen der Palette an der Palettenwelle, kann die Greifereinstellung des Etikettieraggregats der Etikettiervorrichtung/Maschine immer die gleiche Einstellung aufweisen, also unverändert bleiben. Die Palette kann dabei eine geeignete, leicht gekrümmte Form aufweisen, damit sie sich in Umfangrichtung gegenüber dem Etikett im Etikettenbehälter abrollen kann. Die vordere Kante der Palette schließt damit also praktisch bündig mit der entsprechenden Kante des von ihr aufzunehmenden Etiketts ab. Die Ausrichtung erfolgt also in einer Ebene parallel zum Palettenrotor, also senkrecht zur Drehachse des Palettenrotors. Ebenso kann auch noch eine Ausrichtung bezüglich der Etikettenhöhe erfolgen, in diesem Falle dienen die vordere Kante der Palette und eine Ecke der vorderen Kante, beispielsweise die obere Ecke, als Bezug für die Ausrichtung. Infolge der Ausrichtung zwischen Paletten und Etiketten können insbesondere unterschiedliche Etikettenbreiten mit dem gleichen Greiferzylinder verarbeitet werden, was den großen Vorteil hat, dass die Kosten für den Greiferzylinder und die Umrüstzeiten für die Etikettiermaschine/- vorrichtung deutlich reduziert werden können. Eine derartige Lösung ist insbesondere für Kaltleimetikettierungen gut zu verwenden, insbesondere für Etikettiervorrichtung, die pro Etikettieraggregat nur ein Etikett verarbeiten. Dieses ist vor allem attraktiv bei Maschinen mit einer hohen Anzahl unterschiedlicher Ausstattung, das heißt unterschiedlicher Etiketten, die von einem Aggregat verarbeitet werden, wobei vorteilhafterweise nur die unterschiedlichen Etiketten gewechselt werden müssen.As the front edge of the pallet, the front edge with respect to the direction of rotation and the outer side of the pallet with respect to the axis of rotation of the pallet rotor is considered, so the side of the pallet on which a label can be applied. By aligning the front edge of the pallet with respect to the corresponding edge of the label, so by the offset attachment of the pallet on the pallet shaft, the gripper adjustment of the labeling of the labeling / machine can always have the same setting, so remain unchanged. The pallet can have a suitable, slightly curved shape so that it can roll in the circumferential direction relative to the label in the label container. The front edge of the pallet thus concludes practically flush with the corresponding edge of the label to be picked up by her. The orientation is thus in a plane parallel to the pallet rotor, ie perpendicular to the axis of rotation of the pallet rotor. Likewise, an alignment with regard to the label height can also take place, in this case the front edge of the pallet and a corner of the front edge, for example the upper corner, serve as a reference for the alignment. As a result of the alignment between pallets and labels, in particular different label widths can be processed with the same gripper cylinder, which has the great advantage that the costs for the gripper cylinder and the changeover times for the labeller / - device can be significantly reduced. Such a solution is particularly useful for cold glue labeling, especially for labeling, which process only one label per Etikettieraggregat. This is especially attractive for machines with a high number of different equipment, that is, different labels that are processed by an aggregate, advantageously only the different labels must be changed.
Bei der Vorrichtung wie oben beschrieben wird die Palette typischerweise auf die maximale Abwicklungslänge, insbesondere die maximale Etikettenbreite ausgelegt. Dabei sind die Paletten typischerweise leicht gekrümmt, so dass sie sich gegen die aus dem Etikettenbehälter zu entnehmenden Etiketten abrollen können. Wie bereits angedeutet, kann auch oder zusätzlich die Etikettenhöhe betrachtet werden, und eine Ausrichtung auf die maximale Etikettenhöhe ist möglich. Wie bereits beschrieben, können dadurch unterschiedliche Etikettenbreiten mit dem gleichen Greiferzylinder verarbeitet werden, und ein Wechsel des Greiferzylinders ist nicht erforderlich bis zu einer maximalen Abwicklungslänge, welche durch die Aggregatparameter, also Größe beziehungsweise Umfang der Drehtische des Aggregats und eine maximal mögliche Zahl von Greifer- und Palettenelementen pro Tisch gegeben ist. Das heißt, solange das Aggregat nicht ausgetauscht werden muss, müssen auch nicht die Elemente des Aggregats ausgetauscht werden, und eine einmal gefundene Kooperationsposition der Elemente zueinander braucht im Wesentlichen nicht oder nur minimal nachjustiert werden.In the apparatus as described above, the pallet is typically designed for the maximum run length, in particular the maximum label width. The pallets are typically slightly curved so that they can roll against the labels to be removed from the label container. As already indicated, the label height can also or additionally be considered, and an alignment with the maximum label height is possible. As already described, thereby different label widths can be processed with the same gripper cylinder, and a change of the gripper cylinder is not required up to a maximum development length, which by the aggregate parameters, ie size or circumference of the turntables of the unit and a maximum possible number of gripper and pallet elements per table is given. That is, as long as the unit does not need to be replaced, not even the elements of the unit must be replaced, and once found cooperation position of the elements to each other need not or only minimal readjusted substantially.
Ferner können bei der Etikettiervorrichtung entsprechend der vorliegenden Erfindung eine oder mehrere Komponenten des Etikettieraggregats mit dem Palettenrotor, der mindestens einen Palettenwelle, der mindestens einen Palette, des mindestens einen Etikettierbehälters, einer Leimwalze, des Greiferzylinders mit dem mindestens einen Greifer manuell oder motorisch in Positionen radial oder senkrecht oder in Umfangsrichtung bezogen auf die Drehebenen zueinander auf eine Justierposition, also eine Kooperationsposition, eingestellt werden.Furthermore, in the labeling apparatus according to the present invention, one or more components of the labeling unit with the pallet rotor, the at least one pallet shaft, the at least one pallet, the at least one labeling, a glue roller, the gripper cylinder with the at least one gripper manually or motor in positions radially or perpendicular or in the circumferential direction with respect to the planes of rotation to each other to an adjustment position, so a cooperation position set.
Eine Feinjustierung der Komponenten des Aggregats zueinander kann also entsprechend manuell oder motorisch oder automatisch gesteuert vorgenommen werden.A fine adjustment of the components of the unit to each other can therefore be made accordingly manually or by motor or automatically controlled.
Die beschriebenen Etikettiervorrichtung der vorliegenden Erfindung kann ferner umfassen, dass das Etikettieraggregat relativ zu einem Fördertisch einstellbar ist, auf dem die zu etikettierenden Behälter transportiert werden, derart, dass die auf dem Fördertisch transportierten Behälter das vom Greifer transportierte Etikett in der Mitte des Etiketts übernehmen.The described labeling apparatus of the present invention may further comprise that the labeling unit is adjustable relative to a conveyor table on which the containers to be labeled are transported, such that the containers transported on the conveyor table take over the label transported by the gripper in the middle of the label.
Der Fördertisch transportiert die zu etikettierenden Behälter, die an einer bestimmten Stelle das vom Greifer transportierte Etikett übernehmen. Das Aufbringen des Etiketts vom Greifer auf Behälter, also die Übernahme/Übergabe geschieht typischerweise nach gut verstandenen Prozessen. Dabei wird beispielsweise insbesondere Wert darauf gelegt, dass es die Möglichkeit gibt, dass der Behälter das vom Greifer transportierte Etikett in der Mitte des Etiketts, also mittig, übernehmen. Dieses kann durch eine relative Bewegung von Etikettieraggregat und Fördertisch erzielt werden, wobei wenigstens eine oder auch beide der beiden Einheiten, also Etikettieraggregat und/oder Fördertisch durch eine geeignete Steuerung, beispielsweise durch einen Servomotor, bewegt werden kann und damit eine Position relativ zur anderen Einheit anfahren kann.The conveyor table transports the containers to be labeled, which take over the label transported by the gripper at a certain point. The application of the label from the gripper to container, ie the transfer / transfer is typically done by well-understood processes. In this case, for example, particular emphasis is placed on the possibility that the container will take over the label transported by the gripper in the middle of the label, ie in the middle. This can be achieved by a relative movement of the labeling and conveying table, wherein at least one or both of the two units, ie labeling and / or conveyor table by a suitable control, for example by a servo motor, can be moved and thus start a position relative to the other unit.
Ebenso ist es möglich, dass jeder Greifer des Greiferzylinders relativ zum Fördertisch also in der Ebene des Fördertisches einstellbar ist, derart, dass die Behälter das vom Greifer transportierten Etikett in der Mitte des Etiketts übernehmen können. Eine mittige Übergabe bezieht sich typischerweise darauf, dass die Mitte des Etiketts im Wesentlichen senkrecht zum Fördertisch und dem darauf transportierten Behälter, also im Wesentlichen senkrecht zur Tangente an Fördertisch und Behälter, übergeben wird.It is also possible that each gripper of the gripper cylinder is adjustable relative to the conveyor table so in the plane of the conveyor table, such that the container can take over the transported by the gripper label in the middle of the label. A center transfer typically refers to the fact that the center of the label is transferred substantially perpendicular to the conveyor table and the container transported thereon, ie substantially perpendicular to the tangent to the conveyor table and container.
Die mittige Übernahme/Übergabe, wie oben beschrieben, bedingt, dass bei anschließenden Andrückprozessen ein Andrück- oder Anpresselement das Etikett über einen genügend große Fläche auf dem Behälter andrückt. Als Anpresselemente können beispielsweise Bürsten verwendet werden. Die Etiketten werden dann an den Behältern angebürstet. Ferner kann in der erfindungsgemäßen Etikettiervorrichtung der Fördertisch Drehteller zum Festhalten, also Fixieren und Haltern, sowie zum kontrolliertem Drehen oder Bewegen der Behälter aufweisen, ferner Anpresselemente, wobei jeder der Drehteller typischerweise durch einen Servoantrieb um seine Mittelachse senkrecht zum Fahrertisch drehbar ist, derart, dass nach Übernahme des Etiketts vom Greifer auf einen Behälter die Anpresselemente des Etiketts mindestens über die gesamte Breite des Etiketts an den Behälter anpressen. Die Anpresselemente sind typischerweise abwärts bezüglich des Etikettenübergabepunktes angeordnet, und zwar entlang des äußeren Umfangs des Drehtisches.The central acquisition / transfer, as described above, requires that in subsequent Andrückprozessen a pressing or pressing the label over a sufficiently large area presses on the container. As pressing elements, for example, brushes can be used. The labels are then brushed on the containers. Furthermore, in the labeling device according to the invention the conveyor table turntable for holding, so fixing and holding, and for controlled turning or moving the container having, further pressing elements, each of the turntables is typically rotatable by a servo drive about its central axis perpendicular to the driver's table, such that after taking over the label from the gripper to a container, the pressing elements of the label press against the container at least over the entire width of the label. The pressing elements are typically arranged downwardly with respect to the label transfer point, along the outer circumference of the turntable.
Eine Drehung des Drehtellers wie oben beschrieben sollte bezüglich der Mittelachse des Fördertischs im Bereich des Anpresselements eine ein- oder mehrmalige Hin- und Herbewegung um einen Drehwinkel von 90° oder mehr für jede Drehbewegung betragen. Insbesondere falls das Etikett nicht mittig, also in der Etikettenmitte vom Greifer auf den Behälter übernommen wurde, sollte ein Drehwinkel geeignet größer als 90° gewählt werden.A rotation of the turntable as described above should be with respect to the center axis of the conveyor table in the region of the pressing element a one or more times reciprocating movement by a rotation angle of 90 ° or more for each rotational movement. In particular, if the label is not centered, so in the middle of the label was taken from the gripper to the container, a rotation angle should be suitably greater than 90 °.
Die Erfindung stellt ferner ein Etikettierverfahren zum Etikettieren von Behältern bereit mit einer Etikettiervorrichtung wie oben beschrieben wobei das Verfahren die Schritte umfasst: Ausrichten der vorderen Kante der Palette bezüglich der Drehrichtung auf die entsprechende Kante der Etiketten und Etikettenbehälter; Ausrichten des Etikettieraggregats derart, dass die Behälter das vom Greifer transportierte Etikett in der Mitte des Etiketts übernehmen; Beleimen der Palette des Etikettieraggregats, Übernehmen des Etiketts aus dem Etikettenbehälter/Magazin mittels der beleimten Palette; Abgreifen des Etiketts durch die Greiferfinger eines Greifers und Übernehmen des Etiketts von der Palette auf den Greifer; Übergeben des Etiketts vom Greifer auf den Behälter; Anpressen des Etiketts auf den Behälter.The invention further provides a labeling method for labeling containers with a labeling apparatus as described above, the method comprising the steps of: aligning the leading edge of the pallet with respect to the direction of rotation on the corresponding edge of the labels and label containers; Aligning the labeling unit in such a way that the containers take over the label transported by the gripper in the middle of the label; Gluing the pallet of the labeling unit, taking over the label from the label container / magazine by means of the glued pallet; Grasping the label by the gripper fingers of a gripper and Apply the label from the pallet to the gripper; Transferring the label from the gripper to the container; Press the label onto the container.
Ferner kann bei dem beschriebenen Etikettierverfahren der Behälter beim Anpressen des Etiketts an den Behälter derart gedreht werden, dass der Behälter relativ zum Anpresselement einen Drehwinkel erfährt in einer Hin- und Herdrehung sodass die Etiketten mindestens über ihre Gesamtbreite an den Behälter angepresst werden.Further, in the described labeling method, the container when pressing the label to the container can be rotated so that the container relative to the pressing element undergoes a rotation angle in a reciprocate so that the labels are pressed at least over its entire width to the container.
Der Erfindungsgegenstand wird anhand der nachfolgenden Zeichnungen beispielhaft erläutert. Es zeigen:
- Figur 1:
- Eine Aufsicht auf eine Etikettiermaschine/Vorrichtung gemäß der vorliegenden Erfindung.
- Figur 2:
- Elemente, hier Palettenrotor mit Paletten und Greiferzylinder mit Greiferelementen beziehungsweise Greifer entsprechend der vorliegenden Erfindung.
- Figur 3:
- Eine Palette mit verschiedenen Etikettenbreiten gemäß der vorliegenden Erfindung.
- Figur 4:
- Eine Etikettiermaschine mit Etikettieraggregat und seinen Elemente sowie einen Fördertisch mit Behältern entsprechend der vorliegenden Erfindung.
- Figur 5:
- Übergabebereich aus
Figur 4 zwischen Greiferzylinder mit Greiferschwamm und darauf befindlichem Etikett sowie einem zu etikettierenden Behälter auf dem Fördertisch.
- FIG. 1:
- A plan view of a labeling machine / device according to the present invention.
- FIG. 2:
- Elements, here pallet rotor with pallets and gripper cylinder with gripper elements or gripper according to the present invention.
- FIG. 3:
- A pallet with different label widths according to the present invention.
- FIG. 4:
- A labeling machine with Etikettieraggregat and its elements and a conveyor table with containers according to the present invention.
- FIG. 5:
- Transfer area
FIG. 4 between gripper cylinder with gripper sponge and label thereon and a container to be labeled on the conveyor table.
Dabei umfasst das Etikettieraggregat 10, welches typischerweise auf einer hier nicht gezeigten Grundplatte oder Grundtisch aufgebaut ist, wenigstens einen Etikettenbehälter oder Etikettenmagazin 11, einen Leimspender mit Leimwalze 13, ein Palettenkarussel oder Palettenrotor 12 mit einer Palettenrotorwelle oder Palettenkarusselachse 15, und Paletten / Beleimungssegmente 18, welche an Palettenwellen 19 geeignet angebracht sind. Dabei können die Palettenwellen 19 geeignete Querschnitte aufweisen, insbesondere runde oder auch quadratische oder polygonale Querschnitte, entsprechend des für das Aggregat geeigneten Befestigungssystems. Das Etikettieraggregat weist ferner einen Greiferzylinder 30 auf mit einer Greiferzylinderwelle 16, und Greiferelementen 20, nachfolgend als Greifer bezeichnet.The
Die
Die Palettenwellen tragen Paletten 18, auf denen beispielhaft drei verschiedenen Etikettenbreiten 18.1, 18.2 und 18.3, nachfolgend auch als EW1, EW2 und EW3 bezeichnet, angedeutet sind, entsprechend den Ausrichtungen der Paletten bezüglich von Etiketten, welche aus einem Etikettenbehälter, wie in
Die Etiketten 18E, deren beleimte Rückseite während des Transports mit dem Greiferzylinder 30 nach außen zeigt, während die bedruckte Seite in Richtung von Greiferschwämmen 22 nach innen zeigt, werden entsprechend der Rotationsrichtung des Greiferzylinders 30 bewegt und entsprechend dort, wo der Greiferzylinder 30 den Bereich des Fördertisches 6 erreicht, an die zu etikettierenden Behälter 1 F übergeben. Die Übergabe an die Behälter, das heißt insbesondere das Öffnen der Greiferfinger 23 und das Übergeben der Etiketten 18E an die zu etikettierende äußere Oberfläche der Behälter 1 F geschieht nach gut verstandenen Methoden unter Einsatz von minimalem Druck. Das Etikettieraggregat kann als Ganzes relativ zum Fördertisch wenigstens in der Ebene des Fördertischs verschoben werden oder, falls notwendig, auch senkrecht dazu, um insbesondere zu gewährleisten, dass eine mittige Übergabe des Etiketts 18E an den Behälter 1 F erfolgt. Die Verschiebung kann durch einen Servomotor, hier nicht gezeigt, geschehen und kann automatisch gesteuert werden. Ohne eine Verschiebung des Etikettieraggregats, erfolgt in der Regel keine mittige Übergabe des Etiketts an den Behälter 1 F, wie in
Es versteht sich, dass in den zuvor beschriebenen Ausführungsbeispielen genannte Merkmale sich diese nicht auf spezielle Kombination beschränken sondern auch in beliebigen anderen Kombinationen möglich sein können.It is understood that in the embodiments described above, these features are not limited to special combination but may also be possible in any other combinations.
Claims (9)
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DE102011004976.2A DE102011004976B4 (en) | 2011-03-02 | 2011-03-02 | Labeling device and labeling method |
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EP2495179A2 true EP2495179A2 (en) | 2012-09-05 |
EP2495179A3 EP2495179A3 (en) | 2017-08-23 |
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EP12153298.0A Ceased EP2495179A3 (en) | 2011-03-02 | 2012-01-31 | Labelling device |
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CN106275673A (en) * | 2016-08-15 | 2017-01-04 | 广东技术师范学院 | A kind of binding labels onto beer bottles machine label taking label-sticking mechanism |
WO2020108845A1 (en) * | 2018-11-27 | 2020-06-04 | Krones Ag | Pallet carousel and labelling unit, and method for labelling containers |
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Also Published As
Publication number | Publication date |
---|---|
EP2495179A3 (en) | 2017-08-23 |
DE102011004976B4 (en) | 2023-09-07 |
CN102653322B (en) | 2014-08-27 |
CN102653322A (en) | 2012-09-05 |
DE102011004976A1 (en) | 2012-09-06 |
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