EP0006179A1 - Advancing device for a label backing strip - Google Patents

Advancing device for a label backing strip Download PDF

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Publication number
EP0006179A1
EP0006179A1 EP79101768A EP79101768A EP0006179A1 EP 0006179 A1 EP0006179 A1 EP 0006179A1 EP 79101768 A EP79101768 A EP 79101768A EP 79101768 A EP79101768 A EP 79101768A EP 0006179 A1 EP0006179 A1 EP 0006179A1
Authority
EP
European Patent Office
Prior art keywords
suction box
carrier web
feed device
suction
supply roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP79101768A
Other languages
German (de)
French (fr)
Other versions
EP0006179B1 (en
Inventor
Willi Weil
Frank Putzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cessione avery International
Original Assignee
AVERY MASCH GmbH
AVERY MASCHINEN GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AVERY MASCH GmbH, AVERY MASCHINEN GmbH filed Critical AVERY MASCH GmbH
Priority to AT79101768T priority Critical patent/ATE744T1/en
Publication of EP0006179A1 publication Critical patent/EP0006179A1/en
Application granted granted Critical
Publication of EP0006179B1 publication Critical patent/EP0006179B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • 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
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • 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
    • B65C2009/0081—Means for forming a label web buffer, e.g. label web loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/449—Features of movement or transforming movement of handled material
    • B65H2301/4491—Features of movement or transforming movement of handled material transforming movement from continuous to intermittent or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/215—Accumulators supported by vacuum or blown air

Definitions

  • the invention relates to a feed device for a label carrier web, which is drawn off from a supply roll, is gradually drawn by an intermittent drive through a delivery station for the labels and is wound up on a take-up shaft.
  • Such a device finds its essential application in machine labeling devices which provide labels and apply them to the items in time with the advance of the items to be labeled.
  • the step-by-step or step-by-step feed of the labels creates problems in particular when a large number of labels are to be processed in one 'pass'. Because then the weight of the carrier tape and the labels is considerable, which must first be accelerated and decelerated in time with the step feed on the supply roll, then increasingly on the take-up shaft (there, however, without the labels that have now been dispensed).
  • the resulting inertial forces have a particularly disadvantageous effect if narrow, ie. H. in the feed direction of short labels the respective stride length is small.
  • the mass forces increase or decrease the tensile pretension in the carrier web, so that the step feed, the control of which is based on a specific pretension, moves the carrier web either too little or too much and the label provided in each case is not in the intended position with the object to be labeled comes into contact.
  • the invention has for its object to ensure the accurate labeling even in the case of large quantities of labels and even when it is narrow labels.
  • This object is achieved in the feed device specified in the introduction in that a suction box acting on a storage loop of the carrier web is arranged between the supply roll and the delivery station, and in that a drive arranged in the feed direction in front of the suction box conveys the carrier web from the supply roll into the suction box.
  • the actual step feed in which the carrier web with the labels adhering to it is pulled through the delivery station - for example a dispensing edge - is released from the forces required for pulling the carrier web off the supply roll with regard to the tension in the carrier web as well as when accelerating and braking the supply roll.
  • the force exerted by the suction box on the carrier web in this practically inertia-free always produces the same tension preload against which the step feeder in the delivery station has to work.
  • the bias generated by the suction box is position-independent, so that the device according to the invention can also be operated horizontally.
  • the defined bias applied by the suction box can be kept relatively low, so that the power to be applied by the stepper drive is correspondingly small; for the stepper drive (in addition to clutch-connected drives), this allows the use of a relatively small stepper motor in relation to the supply quantity.
  • the arrangement on the feed and discharge side of the carrier web is made symmetrical in that a suction box acting on a loop of the returning carrier web is also provided between the intermittent drive and the take-up roll, the separately driven take-up shaft pulling the carrier web out of the loop.
  • a suction box acting on a loop of the returning carrier web is also provided between the intermittent drive and the take-up roll, the separately driven take-up shaft pulling the carrier web out of the loop.
  • the effective width of the suction box can be adapted to the width of the carrier web by at least one inner plate which can be displaced transversely to the feed direction of the carrier web. In this way, changing the labels to be processed can be taken into account quickly and easily. Since the arrangement is preferably made such that the carrier web loop formed in the suction box forms, as it were, the sixth wall of the cuboid suction box and thus closes it, cover devices for the ineffective sections of the perforated plates are preferably provided in the arrangement of displaceable inner plates, in order to prevent Secondary air 'the vacuum in the suction box breaks down.
  • the supply roll 2 and the take-up shaft 3 for the carrier web 4 are mounted on a frame plate 1.
  • the carrier web 4 still carries the labels lined up one behind the other on the supply roll 2, while the carrier web 4 alone is wound up on the take-up shaft 3 (and later thrown away).
  • a motor is arranged behind the plate 1 (and therefore not visible), which drives both the receiving shaft 3 and a capstan 5 continuously via a clutch.
  • the carrier web 4 runs from the supply roll 2 via a tensor roller 6, which is mounted on an arm 7 which can be pivoted against spring force. It then runs through a web brake, which consists of a stationary roller 8 and a pivotable brake block 9. The latter is pressed against the roller 8 while overcoming an opening spring force and prevents the carrier web 4 from returning if the pressure roller 10 is not - as is shown in FIG. 1 - the carrier web 4 against the capstan 5 presses and thus causes the transport of the carrier web 4, but is pivoted about a lever 11 from the capstan 5.
  • the carrier web 4 then runs in a loop 12 through the upper part 13 of a suction box, designated as a whole by 14, described in more detail below, and via various deflection rollers in the direction of arrow 15 to the (not shown) delivery station for the labels, for example a so-called dispensing edge.
  • the carrier web 4 freed from the labels comes back in the direction of the arrow 16 from the delivery station and runs around the drive roller 17 of a stepping drive, which ensures the advance of the carrier web 4 between the suction box section 13 and the drive roller 17.
  • the stepper drive can be a clutch-switched motor or a stepper motor. Controlled by the goods to be labeled, it pulls the carrier web 4 forward by the length of the label measured in the feed direction.
  • the carrier web 4 then runs into a further storage loop 18 in the lower part 19 of the suction box 14 and is pulled from there in sections - via various deflection rollers - from the driven take-up shaft 3.
  • the suction box 14 although greatly simplified there, is shown somewhat more precisely in FIGS. 2 and 3. From this it can be seen how the upper suction box section 13 and the lower suction box section 14 are combined to form a common housing.
  • Each partial suction box 13, 14 encloses an elongated cuboid interior 20 and 21, which is open at the top and bottom, but is closed in operation by the associated storage loop 12, 18 of the carrier web 4.
  • the respective other end surface of the interiors 20, 21 is closed by a perforated plate 22, which are part of a common suction nozzle 23 which runs transversely to the main axis of the suction boxes 13, 19 which runs perpendicularly in FIGS. 1 and 2.
  • a suction fan 24 is flanged to the suction nozzle 23.
  • inner sheets 27, 28 are arranged and displaceable in the direction of the double arrows 29.
  • the inner sheets 27 on the one hand and the inner sheets 28 on the other hand are connected to one another in a manner not shown, so that they can be moved together in the interiors 20, 21 and adjusted to the respective width of the carrier web 4.
  • tapes 30 can be unwound and rewound from rollers 31 like a roller blind. They serve to cover those sections of the perforated plates 22 that do not belong to the required interior 20, 21 of the suction boxes 13, 19 and therefore have to be rendered ineffective.
  • the covering of the perforated plates 22 by the strips 30 fastened with their free ends to the inner plates 27, 28 is indicated in FIG. 3 by shading.
  • Each partial suction box 13, 19 has two light barriers 32, 33, which each sense the minimum or maximum length of the storage loops 12, 18 and, depending on this, switch on the capstan drive 5, 10 or the drive of the receiving shaft 3. In the situation shown in Fig. 1, both drives are at rest. If the drive roller 17 of the stepper drive now conveys the carrier web 4 by a few cycles, the storage loop 18 increases, while the storage loop 12 downsized.
  • the pressure roller 10 is pressed against the capstan 5 and at the same time the brake block 9 is released from the roller 8, so that the carrier web 4 with labels is removed from the supply roller 2 and the storage loop 12 is enlarged again until it reaches the light barrier 33 in the partial suction box 13. Then the pressure roller 10 is pivoted away from the capstan 5 and at the same time the brakes 8, 9 are closed again.
  • the clutch on the common drive motor switches on the receiving shaft 3 and pulls the carrier web 4 (free of labels) out of the suction box 19 until the Photoelectric switch 32 responds and the drive clutch opens again.

Abstract

1. Feed mechanism for a label-supporting web or strip which, withdrawn from a supply reel, is pulled step-wise by an intermittent drive through a delivery station for the labels and is wound on to a take-up shaft, characterised in that a suction box (13) operative on an accumulated loop (12) of the supporting strip (4) is arranged between the supply reel (2) and the delivery station, that a drive means (5, 10) arranged before the suction box (13) in the feeding direction conveys the supporting strip (4) from the supply reel (2) into the suction box (13), that the suction box (13) encloses an elongated internal chamber (20, 21), one end surface of which is open for accommodating the accumulated loop (12, 18), while the other end surface is closed by an apertured plate (22), through which the vacuum is operative on the internal chamber (20, 21), that the effective width of the suction box (14) is capable of being adapted to the width of the supporting strip (4) by at least one internal plate (27, 28) displaceable transversely of the feeding direction of the supporting strip (4), and that a cover device (30, 31) is provided for covering those sections of the apertured plate (22) which are outside the width of the supporting strip.

Description

Die Erfindung betrifft eine Vorschubvorrichtung für eine Etikettenträgerbahn, die von einer Vorratsrolle abgezogen, von einem intermittierenden Antrieb schrittweise durch eine Abgabestation für die Etiketten gezogen und auf einer Aufnahmewelle aufgewickelt wird.The invention relates to a feed device for a label carrier web, which is drawn off from a supply roll, is gradually drawn by an intermittent drive through a delivery station for the labels and is wound up on a take-up shaft.

Ihre wesentliche Anwendung findet eine derartige Vorrichtung bei maschinellen Etikettiergeräten, die im Takt des Vorschubs der zu etikettierenden Gegenstände Etiketten bereitstellen und auf die Gegenstände aufbringen. Der takt- oder schrittweise Vorschub der Etiketten schafft insbesondere dann Probleme, wenn eine große Zahl von Etiketten in einem 'Durchgang' verarbeitet werden soll. Denn dann ist das Gewicht des Trägerbandes und der Etiketten beträchtlich groß, welches zunächst auf der Vorratsrolle, dann zunehmend auf der Aufnahmewelle (dort allerdings ohne die inzwischen abgegebenen Etiketten) im Takt des Schrittvorschubes beschleunigt und verzögert werden muß. Besonders nachteilig wirken sich die dabei auftretenden Massenkräfte dann aus, wenn bei schmalen, d. h. in Vorschubrichtung kurzen Etiketten die jeweilige Schrittlänge gering ist. Die Massenkräfte vergrößern oder verringern die Zug-Vorspannung in der Trägerbahn, so daß der Schrittvorschub, dessen Steuerung von einer bestimmten Vorspannung ausgeht, die Trägerbahn entweder zu wenig oder zu viel bewegt und das jeweils bereitgestellte Etikett nicht in der beabsichtigten Position mit dem zu etikettierenden Gegenstand in Kontakt kommt.Such a device finds its essential application in machine labeling devices which provide labels and apply them to the items in time with the advance of the items to be labeled. The step-by-step or step-by-step feed of the labels creates problems in particular when a large number of labels are to be processed in one 'pass'. Because then the weight of the carrier tape and the labels is considerable, which must first be accelerated and decelerated in time with the step feed on the supply roll, then increasingly on the take-up shaft (there, however, without the labels that have now been dispensed). The resulting inertial forces have a particularly disadvantageous effect if narrow, ie. H. in the feed direction of short labels the respective stride length is small. The mass forces increase or decrease the tensile pretension in the carrier web, so that the step feed, the control of which is based on a specific pretension, moves the carrier web either too little or too much and the label provided in each case is not in the intended position with the object to be labeled comes into contact.

Der Erfindung liegt die Aufgabe zugrunde, das paßgenaue Etikettieren auch für den Fall großer Vorratsmengen von Etiketten und selbst dann zu gewährleisten, wenn es sich um schmale Etiketten handelt. Diese Aufgabe wird bei der eingangs angegebenen Vorschubvorrichtung erfindungsgemäß dadurch gelöst, daß zwischen der Vorratsrolle und der Abgabestation ein auf eine Speicherschlaufe der Trägerbahn wirkender Saugkasten angeordnet ist, und daß ein in Vorschubrichtung vor dem Saugkasten angeordneter Antrieb die Trägerbahn von der Vorratsrolle in den Saugkasten fördert. Auf diese Weise wird der eigentliche Schrittvorschub, bei dem die Trägerbahn mit den darauf haftenden Etiketten durch die Abgabestation - beispielsweise eine Spendekante - gezogen wird, hinsichtlich der Zug-Vorspannung in der Trägerbahn von den Kräften gelöst, die zum Abziehen der Trägerbahn von der Vorratsrolle erforderlich sind sowie beim Beschleunigen und Abbremsen der Vorratsrolle auftreten. Denn die vom Saugkasten auf die Trägerbahn ausgeübte Kraft erzeugt in dieser praktisch trägheitsfrei eine stets gleiche Zug-Vorspannung, gegen die der Schrittvorschub in der Abgabestation zu arbeiten hat. Ferner ist die vom Saugkasten erzeugte Vorspannung lageunabhängig, so daß die erfindungsgemäße Vorrichtung auch liegend betrieben werden kann. Schließlich ist von Vorteil, daß die vom Saugkasten aufgebrachte, definierte Vorspannung relativ gering gehalten werden kann, so daß die vom Schrittantrieb aufzubringende Leistung entsprechend klein ist; dies erlaubt für den Schrittantrieb (neben kupplungsgeschalteten Antrieben) die Verwendung eines - bezogen auf die Vorratsmenge - relativ kleinen Schrittmotors.The invention has for its object to ensure the accurate labeling even in the case of large quantities of labels and even when it is narrow labels. This object is achieved in the feed device specified in the introduction in that a suction box acting on a storage loop of the carrier web is arranged between the supply roll and the delivery station, and in that a drive arranged in the feed direction in front of the suction box conveys the carrier web from the supply roll into the suction box. In this way, the actual step feed, in which the carrier web with the labels adhering to it is pulled through the delivery station - for example a dispensing edge - is released from the forces required for pulling the carrier web off the supply roll with regard to the tension in the carrier web as well as when accelerating and braking the supply roll. This is because the force exerted by the suction box on the carrier web in this practically inertia-free always produces the same tension preload against which the step feeder in the delivery station has to work. Furthermore, the bias generated by the suction box is position-independent, so that the device according to the invention can also be operated horizontally. Finally, it is advantageous that the defined bias applied by the suction box can be kept relatively low, so that the power to be applied by the stepper drive is correspondingly small; for the stepper drive (in addition to clutch-connected drives), this allows the use of a relatively small stepper motor in relation to the supply quantity.

Vorzugsweise wird die Anordnung auf der Zu- und Abfuhrseite der Trägerbahn dadurch symmetrisch getroffen, daß auch zwischen dem intermittierenden Antrieb und der Aufnahmerolle ein auf eine Schleife der rücklaufenden Trägerbahn wirkender Saugkasten vorgesehen ist, wobei die gesondert angetriebene Aufnahmewelle die Trägerbahn aus der Schleife abzieht. Auf diese Weise ist die Trennung zwischen den großen mit der Vorratsrolle und der Aufnahmewelle zu bewegenden Massen sowie dem jeweils durch die Abgabestation für die Etiketten bewegten Abschnitt der Trägerbahn vollständig.Preferably, the arrangement on the feed and discharge side of the carrier web is made symmetrical in that a suction box acting on a loop of the returning carrier web is also provided between the intermittent drive and the take-up roll, the separately driven take-up shaft pulling the carrier web out of the loop. On in this way, the separation between the large masses to be moved with the supply roll and the take-up shaft and the section of the carrier web moved in each case by the delivery station for the labels is complete.

Es ist dann von Vorteil, die beiden Saugkästen zu vereinigen und an einem gemeinsamen Sauggebläse anzuschließen, weil der bauliche Aufwand dadurch verringert wird.It is then advantageous to combine the two suction boxes and to connect them to a common suction fan, because the construction effort is thereby reduced.

Eine der erfindungsgemäß vorgesehenen Weiterbildungen besteht darin, daß die wirksame Breite des Saugkastens durch mindestens ein quer zur Vorschubrichtung der Trägerbahn verschiebbares Innenblech der Breite der Trägerbahn anpaßbar ist. Einem Wechsel der zu verarbeitenden Etiketten kann auf diese Weise rasch und einfach Rechnung getragen werden. Da die Anordnung vorzugsweise so getroffen ist, daß die im Saugkasten gebildete Trägerbahnschleife gewissermaßen die sechste Wandung des quaderförmigen Saugkastens bildet und diesen somit abschließt, sind bei der Anordnung verschiebbarer Innenbleche vorzugsweise Abdeckeinrichtungen für die unwirksamen Abschnitte der Lochbleche vorgesehen, um zu verhindern, daß durch 'Nebenluft' der Unterdruck im Saugkasten zusammenbricht.One of the further developments provided according to the invention is that the effective width of the suction box can be adapted to the width of the carrier web by at least one inner plate which can be displaced transversely to the feed direction of the carrier web. In this way, changing the labels to be processed can be taken into account quickly and easily. Since the arrangement is preferably made such that the carrier web loop formed in the suction box forms, as it were, the sixth wall of the cuboid suction box and thus closes it, cover devices for the ineffective sections of the perforated plates are preferably provided in the arrangement of displaceable inner plates, in order to prevent Secondary air 'the vacuum in the suction box breaks down.

Steuerungstechnisch ist die Anordnung vorzugsweise so getroffen, daß Sensoren die Länge der Speicherschleifen in den Saugkästen feststellen und bei Erreichen bestimmter Mindest- oder Höchstlängen die Antriebe der Vorratsrolle bzw. der Aufnahmewelle ein- oder ausschalten. Auf diese Weise ergeben sich unterschiedliche Takte einerseits für die Vorratsrolle und die Aufnahmewelle, andererseits für den Schrittvorschub in der Abgabestation. Während die Länge des letzteren durch die Etikettenbreite (= Länge in Vorschubrichtung) bestimmt ist, dauert ein Taktschritt an der Vorratsrolle und der Aufnahmewelle jeweils solange, bis (im Zufuhrabschnitt) die Speicherschlaufe von ihrem Minimalwert bis zu ihrem Maximalwert aufgebaut oder (im Abfuhrabschnitt) die Speicherschlaufe von ihrem Maximalwert bis zu ihrem Minimalwert abgebaut worden ist.In terms of control technology, the arrangement is preferably such that sensors determine the length of the storage loops in the suction boxes and switch the drives of the supply roll or the take-up shaft on or off when certain minimum or maximum lengths are reached. This results in different cycles for the supply roll and the take-up shaft on the one hand, and for the step feed in the delivery station on the other. While the length of the latter is determined by the label width (= length in the direction of advance), a cycle step on the supply roll and the take-up shaft takes as long as until (in the feed section) the storage loop has been built up from its minimum value to its maximum value or (in the discharge section) the storage loop has been dismantled from its maximum value to its minimum value.

Die Zeichnung veranschaulicht die Erfindung an einem Ausführungsbeispiel. Darin zeigt:

  • Fig. 1 eine schematische Seitenansicht der erfindungsgemäßen Vorschubeinrichtung;
  • Fig. 2 einen Schnitt durch den Doppelsaugkasten gemäß der Linie II-II in Fig. 1, und zwar in vereinfachter Darstellung; und
  • Fig. 3 einen Querschnitt gemäß der Linie III-III in Fig. 2, ebenfalls in vereinfachter Darstellung.
The drawing illustrates the invention using an exemplary embodiment. It shows:
  • Figure 1 is a schematic side view of the feed device according to the invention.
  • Figure 2 shows a section through the double suction box according to the line II-II in Figure 1, in a simplified representation. and
  • Fig. 3 shows a cross section along the line III-III in Fig. 2, also in a simplified representation.

Auf einer Rahmenplatte 1 sind die Vorratsrolle 2 und die Aufnahmewelle 3 für die Trägerbahn 4 gelagert. Auf der Vorratsrolle 2 trägt die Trägerbahn 4 noch die darauf hintereinander aufgereihten Etiketten, während auf der Aufnahme- welle 3 die Trägerbahn 4 allein aufgewickelt (und später weggeworfen) wird. Hinter der Platte 1 ist ein Motor angeordnet (und daher nicht sichtbar), welcher über eine Schaltkupplung sowohl die Aufnahmewelle 3 als auch ständig einen Kapstan 5 antreibt.The supply roll 2 and the take-up shaft 3 for the carrier web 4 are mounted on a frame plate 1. The carrier web 4 still carries the labels lined up one behind the other on the supply roll 2, while the carrier web 4 alone is wound up on the take-up shaft 3 (and later thrown away). A motor is arranged behind the plate 1 (and therefore not visible), which drives both the receiving shaft 3 and a capstan 5 continuously via a clutch.

Die Trägerbahn 4 läuft von der Vorratsrolle 2 über eine Tensorwalze 6 ab, welche auf einem gegen Federkraft schwenkbaren Arm 7 gelagert ist. Sie durchläuft dann eine Bahnbremse, welche aus einer ortsfesten Rolle 8 und einem schwenkbaren Bremsklotz 9 besteht. Letzterer wird unter Überwindung einer öffnenden Federkraft gegen die Walze 8 gedrückt und verhindert einen Rücklauf der Trägerbahn 4, wenn die Andruckrolle 10 nicht - wie dies in Fig. 1 dargestellt ist - die Trägerbahn 4 gegen den Kapstan 5 drückt und damit den Transport der Trägerbahn 4 bewirkt, sondern um einen Hebel 11 vom Kapstan 5 abgeschwenkt wird.The carrier web 4 runs from the supply roll 2 via a tensor roller 6, which is mounted on an arm 7 which can be pivoted against spring force. It then runs through a web brake, which consists of a stationary roller 8 and a pivotable brake block 9. The latter is pressed against the roller 8 while overcoming an opening spring force and prevents the carrier web 4 from returning if the pressure roller 10 is not - as is shown in FIG. 1 - the carrier web 4 against the capstan 5 presses and thus causes the transport of the carrier web 4, but is pivoted about a lever 11 from the capstan 5.

Die Trägerbahn 4 durchläuft dann in einer Schleife 12 den oberen Teil 13 eines im ganzen mit 14 bezeichneten, nachstehend näher beschriebenen Saugkastens und über verschiedene Umlenkrollen in Richtung des Pfeiles 15 zur (nicht dargestellten) Abgabestation für die Etiketten, beispielsweise eine sogenannte Spendekante.The carrier web 4 then runs in a loop 12 through the upper part 13 of a suction box, designated as a whole by 14, described in more detail below, and via various deflection rollers in the direction of arrow 15 to the (not shown) delivery station for the labels, for example a so-called dispensing edge.

Die von den Etiketten befreite Trägerbahn 4 kommt in Richtung des Pfeiles 16 von der Abgabestation zurück und läuft um die Antriebsrolle 17 eines Schrittantriebs, welcher für den Vorschub der Trägerbahn 4 zwischen dem Saugkastenabschnitt 13 und der Antriebsrolle 17 sorgt. Der Schrittantrieb kann ein kupplungsgeschalteter Motor oder auch ein Schrittmotor sein. Er zieht, gesteuert vom zu etikettierenden Gut, die Trägerbahn 4 jeweils um die in Vorschubrichtung gemessene Länge des Etiketts weiter.The carrier web 4 freed from the labels comes back in the direction of the arrow 16 from the delivery station and runs around the drive roller 17 of a stepping drive, which ensures the advance of the carrier web 4 between the suction box section 13 and the drive roller 17. The stepper drive can be a clutch-switched motor or a stepper motor. Controlled by the goods to be labeled, it pulls the carrier web 4 forward by the length of the label measured in the feed direction.

Die Trägerbahn 4 läuft dann in eine weitere Speicherschleife 18 im unteren Teil 19 des Saugkastens 14 ein und wird von dort - über verschiedene Umlenkrollen - abschnittsweise von der angetriebenen Aufnahmewelle 3 abgezogen.The carrier web 4 then runs into a further storage loop 18 in the lower part 19 of the suction box 14 and is pulled from there in sections - via various deflection rollers - from the driven take-up shaft 3.

Der Saugkasten 14 ist, wenn auch dort stark vereinfacht, etwas genauer in den Fig. 2 und 3 dargestellt. Daraus ist zu erkennen, wie der obere Saugkastenabschnitt 13 und der untere Saugkastenabschnitt 14 zu einem gemeinsamen Gehäuse zusammengefaßt sind. Dabei umschließt jeder Teil-Saugkasten 13, 14 einen länglich-quaderförmigen Innenraum 20 bzw. 21, welcher oben bzw. unten offen ist, aber im Betrieb von der zugehörigen Speicherschleife 12, 18 der Trägerbahn 4 abgeschlossen wird. Die jeweils andere Endfläche der Innenräume 20, 21 ist durch je ein Lochblech 22 verschlossen, die Teil eines gemeinsamen Saugstutzens 23 sind, welcher quer zu der in den Fig. 1 und 2 senkrecht verlaufenden Hauptachse der Saugkästen 13, 19 verläuft. An den Saugstutzen 23 ist ein Sauggebläse 24 angeflanscht.The suction box 14, although greatly simplified there, is shown somewhat more precisely in FIGS. 2 and 3. From this it can be seen how the upper suction box section 13 and the lower suction box section 14 are combined to form a common housing. Each partial suction box 13, 14 encloses an elongated cuboid interior 20 and 21, which is open at the top and bottom, but is closed in operation by the associated storage loop 12, 18 of the carrier web 4. The respective other end surface of the interiors 20, 21 is closed by a perforated plate 22, which are part of a common suction nozzle 23 which runs transversely to the main axis of the suction boxes 13, 19 which runs perpendicularly in FIGS. 1 and 2. A suction fan 24 is flanged to the suction nozzle 23.

In den Innenräumen 20, 21 sind, parallel zu den zugehörigen Außenwandungen 25, 26 des Saugkastens 14, Innenbleche 27, 28 angeordnet und in Richtung der Doppelpfeile 29 verschieblich. Die Innenbleche 27 einerseits und die Innenbleche 28 andererseits sind untereinander in nicht dargestellter Weise miteinander verbunden, so daß sie jeweils gemeinsam in den Innenräumen 20, 21 verschoben und auf die jeweilige Breite der Trägerbahn 4 eingestellt werden können.In the interiors 20, 21, parallel to the associated outer walls 25, 26 of the suction box 14, inner sheets 27, 28 are arranged and displaceable in the direction of the double arrows 29. The inner sheets 27 on the one hand and the inner sheets 28 on the other hand are connected to one another in a manner not shown, so that they can be moved together in the interiors 20, 21 and adjusted to the respective width of the carrier web 4.

Zwischen der Außenwand 25 und den Innenblechen 27 sowie zwischen der Außenwand 26 und den Innenblechen 28 sind Bänder 30 rolloartig von Rollen 31 abwickel- und zurückspulbar. Sie dienen zur Abdeckung der-jenigen Abschnitte der Lochbleche 22, die nicht zum jeweils benötigten Innenraum 20, 21 der Saugkästen 13, 19 gehören und deshalb unwirksam gemacht werden müssen. Die Abdeckung der Lochbleche 22 durch die mit ihren freien Enden an den Innenblechen 27, 28 befestigten Bänder 30 ist in Fig. 3 durch eine Schattierung angedeutet.Between the outer wall 25 and the inner sheets 27 and between the outer wall 26 and the inner sheets 28, tapes 30 can be unwound and rewound from rollers 31 like a roller blind. They serve to cover those sections of the perforated plates 22 that do not belong to the required interior 20, 21 of the suction boxes 13, 19 and therefore have to be rendered ineffective. The covering of the perforated plates 22 by the strips 30 fastened with their free ends to the inner plates 27, 28 is indicated in FIG. 3 by shading.

Jeder Teil-Saugkasten 13, 19 hat zwei Lichtschranken 32, 33, welche jeweils die minimale bzw. maximale Länge der Speicherschleifen 12, 18 ertasten und in Abhängigkeit hiervon den Kapstan-Antrieb 5, 10 bzw. den Antrieb der Aufnahme-Welle 3 einschalten. In der in Fig. 1 dargestellten Situation befinden sich beide Antriebe in Ruhe. Fördert jetzt die Antriebsrolle 17 des Schrittantriebs die Trägerbahn 4 um einige Takte weiter, so vergrößert sich die Speicherschleife 18, während sich die Speicherschleife 12 verkleinert. Sobald dabei die Speicherschleife 12 die zu ihrem Teil-Saugkasten 13 gehörende Lichtschranke 32 'verläßt', wird die Andruckrolle 10 an den Kapstan 5 gedrückt und gleichzeitig der Bremsklotz 9 von der Rolle 8 gelöst, so daß Trägerbahn 4 mit Etiketten von der Vorratsrolle 2 abgezogen und die Speicherschleife 12 erneut vergrößert wird, bis sie die Lichtschranke 33 im Teil-Saugkasten 13 erreicht. Dann wird die Andruckrolle 10 vom Kapstan 5 abgeschwenkt und gleichzeitig die Bremse 8, 9 wieder geschlossen.Each partial suction box 13, 19 has two light barriers 32, 33, which each sense the minimum or maximum length of the storage loops 12, 18 and, depending on this, switch on the capstan drive 5, 10 or the drive of the receiving shaft 3. In the situation shown in Fig. 1, both drives are at rest. If the drive roller 17 of the stepper drive now conveys the carrier web 4 by a few cycles, the storage loop 18 increases, while the storage loop 12 downsized. As soon as the storage loop 12 'leaves' the light barrier 32 belonging to its partial suction box 13, the pressure roller 10 is pressed against the capstan 5 and at the same time the brake block 9 is released from the roller 8, so that the carrier web 4 with labels is removed from the supply roller 2 and the storage loop 12 is enlarged again until it reaches the light barrier 33 in the partial suction box 13. Then the pressure roller 10 is pivoted away from the capstan 5 and at the same time the brakes 8, 9 are closed again.

Erreicht ferner die Speicherschleife 18 ihre maximale Größe und betätigt die Lichtschranke 33 in ihrem Teil-Saugkasten 19, dann schaltet die Kupplung am gemeinsamen Antriebsmotor die Aufnahmewelle 3 ein und zieht solange die (von Etiketten befreite) Trägerbahn 4 aus dem Saugkasten 19 heraus, bis die Lichtschranke 32 anspricht und die Antriebskupplung wieder öffnet.Furthermore, when the storage loop 18 reaches its maximum size and actuates the light barrier 33 in its partial suction box 19, the clutch on the common drive motor switches on the receiving shaft 3 and pulls the carrier web 4 (free of labels) out of the suction box 19 until the Photoelectric switch 32 responds and the drive clutch opens again.

Aus der vorstehenden Erläuterung ist ferner deutlich geworden, daß der Arbeitstakt der Antriebsrolle 17 völlig unabhängig von dem Arbeitstakt des Kapstans 5 und der Aufnahmewelle 3 ist. Ferner spielen für den Gegenzug in der Trägerbahn 4 solche Kräfte keine Rolle, welche vor der Speicherschleife 12 auftreten, weil die im Saugkasten 13 auf die Trägerbahn 4 ausgeübte Kraft unabhängig von der Länge der Speicherschleife 12 immer gleich ist. Entsprechendes gilt für die Speicherschleife 18 der Trägerbahn 4 im Saugkasten 19.From the above explanation it has also become clear that the work cycle of the drive roller 17 is completely independent of the work cycle of the capstan 5 and the take-up shaft 3. Furthermore, those forces which occur in front of the storage loop 12 play no role for the counter-pull in the carrier web 4, because the force exerted on the carrier web 4 in the suction box 13 is always the same regardless of the length of the storage loop 12. The same applies to the storage loop 18 of the carrier web 4 in the suction box 19.

Claims (10)

1. Vorschubvorrichtung für eine Etiketten-Trägerbahn, die von einer Vorratsrolle abgezogen, von einem intermittierenden Antrieb schrittweise durch eine Abgabestation für die Etiketten gezogen und auf eine Aufnahmewelle aufgewickelt wird, dadurch gekennzeichnet, daß zwischen der Vorratsrolle (2) und der Abgabestation ein auf eine Speicherschlaufe (12) der Trägerbahn (4) wirkender Saugkasten (13) angeordnet ist, und daß ein in Vorschubrichtung vor dem Saugkasten (13) angeordneter Antrieb (5, 10) die Trägerbahn (4) von der Vorratsrolle (2) in den Saugkasten (13) fördert.1. Feed device for a label carrier web, which is withdrawn from a supply roll, gradually pulled by an intermittent drive through a delivery station for the labels and wound onto a take-up shaft, characterized in that between the supply roll (2) and the delivery station one on one Storage loop (12) of the carrier web (4) acting suction box (13) is arranged, and that a drive (5, 10) arranged in the feed direction in front of the suction box (13) drives the carrier web (4) from the supply roll (2) into the suction box ( 13) promotes. 2. Vorschubvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß auch zwischen dem intermittierenden Antrieb (Antriebsrolle 17) und der Aufnahmewelle (3) ein auf eine Schleife (18) der rücklaufenden Trägerbahn (4) wirkender Saugkasten (19) vorgesehen ist, wobei die gesondert angetriebene Aufnahmewelle (3) die Trägerbahn (4) aus der Schleife (18) abzieht.2. Feed device according to claim 1, characterized in that between the intermittent drive (drive roller 17) and the receiving shaft (3) on a loop (18) of the returning carrier web (4) acting suction box (19) is provided, the separately attached driven receiving shaft (3) pulls the carrier web (4) out of the loop (18). 3. Vorschubvorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die beiden Saugkästen (13,19) vereinigt und an einem gemeinsamen Sauggebläse (24) angeschlossen sind.3. Feed device according to claim 1 and 2, characterized in that the two suction boxes (13, 19) are combined and connected to a common suction fan (24). 4. Vorschubvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jeder Saugkasten (13, 19) einen länglich-quaderförmigen Innenraum (20, 21) umschließt, dessen eine Endfläche zur Aufnahme der Speicherschleife (12, 18) offen ist, während die andere Endfläche durch ein Lochblech (22) verschlossen ist, durch welches der Unterdruck auf den Innenraum (20, 21) wirkt.4. Feed device according to claim 1 or 2, characterized in that each suction box (13, 19) encloses an elongated cuboid interior (20, 21), one end surface of which is open for receiving the storage loop (12, 18), while the other End surface is closed by a perforated plate (22) through which the negative pressure acts on the interior (20, 21). 5. Vorschubvorrichtung nach Anspruch 3 und 4, dadurch gekennzeichnet, daß die parallelen Lochbleche (22) beider Saugkästen (13, 19) einen gemeinsamen, quer zur gemeinsamen Hauptachse der Saugkästen verlaufenden Saugstutzen (23) begrenzen.5. Feed device according to claim 3 and 4, characterized in that the parallel perforated plates (22) of both suction boxes (13, 19) limit a common, transverse to the common main axis of the suction boxes suction nozzle (23). 6. Vorschubvorrichtung nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß die wirksame Breite des Saugkastens (14) durch mindestens ein quer zur Vorschubrichtung der Trägerbahn (4) verschiebbares Innenblech (27, 28) der Breite der Trägerbahn (4) anpaßbar ist.6. Feed device according to claims 1 to 5, characterized in that the effective width of the suction box (14) by at least one transverse to the feed direction of the carrier web (4) displaceable inner plate (27, 28) of the width of the carrier web (4) is adjustable. 7. Vorschubvorrichtung nach den Ansprüchen 3 und 6, dadurch gekennzeichnet, daß die verschiebbaren Innenbleche (27, 28) beider Saugkästen (13, 19) zu einem im ganzen verschiebbaren Innenblech (27, 28) vereinigt sind.7. Feed device according to claims 3 and 6, characterized in that the displaceable inner plates (27, 28) of the two suction boxes (13, 19) are combined to form a displaceable inner plate (27, 28). 8. Vorschubvorrichtung nach Anspruch 6 oder 7, gekennzeichnet durch Abdeckeinrichtungen (30, 31)für die unwirksamen Abschnitte der Lochbleche (22).8. Feed device according to claim 6 or 7, characterized by covering devices (30, 31) for the ineffective sections of the perforated plates (22). 9. Vorschubvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß rolloartig auf- und abwickelbare Bänder (30) zwischen den Innenblechen (27, 28) und den dazu parallelen Wänden (25, 26) des Saugkastens (14) derart angeordnet sind, daß sie sich beim Verschieben der Innenbleche (27, 28) selbsttätig auf die unwirksamen Lochblechabschnitte legen bzw. davon abziehen.9. Feed device according to claim 8, characterized in that roll-up and unwindable tapes (30) between the inner plates (27, 28) and the parallel walls (25, 26) of the suction box (14) are arranged such that they when moving the inner plates (2 7 , 28), place them on the ineffective perforated plate sections or pull them off. 10. VOrschubvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Sensoren (32, 33) die Länge der Speicherschleife (12, 18) in den Saugkästen (13, 19) feststellen und bei Erreichen bestimmter Mindest- oder Höchstlängen die Antriebe der Vorratsrolle (2) bzw. der Aufnahmewelle (3) ein- oder ausschalten.10. Feed device according to one of the preceding claims, characterized in that sensors (32, 33) determine the length of the storage loop (12, 18) in the suction boxes (13, 19) and when certain minimum or maximum lengths are reached, the drives of the supply roll ( 2) or the receiving shaft (3) on or off.
EP79101768A 1978-06-08 1979-06-05 Advancing device for a label backing strip Expired EP0006179B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79101768T ATE744T1 (en) 1978-06-08 1979-06-05 FEED DEVICE FOR A LABEL SUBSTRATE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2825102A DE2825102C2 (en) 1978-06-08 1978-06-08 Feed device for a label carrier web
DE2825102 1978-06-08

Publications (2)

Publication Number Publication Date
EP0006179A1 true EP0006179A1 (en) 1980-01-09
EP0006179B1 EP0006179B1 (en) 1982-03-10

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EP79101768A Expired EP0006179B1 (en) 1978-06-08 1979-06-05 Advancing device for a label backing strip

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EP (1) EP0006179B1 (en)
AT (1) ATE744T1 (en)
DE (1) DE2825102C2 (en)

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EP0038544A2 (en) * 1980-04-21 1981-10-28 Zweckform Werk GmbH Labelling station for labelling machines
EP0068835A1 (en) * 1981-06-27 1983-01-05 Alan John Bootan Winding strip material
WO2003068606A1 (en) * 2002-02-18 2003-08-21 Avery Dennison Corporation Application device for labels that vary in length
WO2010043267A1 (en) * 2008-10-17 2010-04-22 Sidel S.P.A. Buffer device for labelling machines applying self-adhesive labels
WO2010132268A2 (en) * 2009-05-13 2010-11-18 The Procter & Gamble Company Label applicator having a vacuum box
WO2010132269A2 (en) * 2009-05-13 2010-11-18 The Procter & Gamble Company Label applicator having a heat idler
EP2835315A1 (en) 2013-08-07 2015-02-11 Krones Aktiengesellschaft Feeding and storage device for an endlessly conveyed belt material and method of conveying same
EP3800137A1 (en) * 2019-09-26 2021-04-07 Krones AG Dispensing device, labelling machine and method for labelling containers

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DE3119204A1 (en) * 1981-05-14 1982-12-09 Wickers Automatische Verpackungssysteme GmbH, 2084 Rellingen Apparatus and process for the printing of a continuous marking tape with a coding and/or with an indication legible to anyone
DE4002194C2 (en) * 1990-01-25 1997-05-15 Zweckform Etikettiertechnik Device for connecting carrier tapes on which labels stick releasably
DE9005672U1 (en) * 1990-05-18 1990-07-26 Strassburg, Eberhard, 2110 Buchholz, De
DE4308620C2 (en) * 1993-03-18 1995-05-24 Basys Gmbh Device for conveying and separating individual sheets
DE102022122947A1 (en) 2022-09-09 2024-03-14 Khs Gmbh Suction device for a labeling machine

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US3958777A (en) * 1974-09-13 1976-05-25 Pertec Corporation Tape transport reel servomechanism
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0038544A2 (en) * 1980-04-21 1981-10-28 Zweckform Werk GmbH Labelling station for labelling machines
EP0038544A3 (en) * 1980-04-21 1982-10-27 Zweckform Werk GmbH Labelling station for labelling machines
EP0068835A1 (en) * 1981-06-27 1983-01-05 Alan John Bootan Winding strip material
WO2003068606A1 (en) * 2002-02-18 2003-08-21 Avery Dennison Corporation Application device for labels that vary in length
WO2010043267A1 (en) * 2008-10-17 2010-04-22 Sidel S.P.A. Buffer device for labelling machines applying self-adhesive labels
CN102421671A (en) * 2009-05-13 2012-04-18 宝洁公司 Label applicator having a heat idler
JP2012526028A (en) * 2009-05-13 2012-10-25 ザ プロクター アンド ギャンブル カンパニー Label applicator with heat idler
WO2010132268A3 (en) * 2009-05-13 2011-09-15 The Procter & Gamble Company Label applicator having a vacuum box
WO2010132269A3 (en) * 2009-05-13 2011-09-15 The Procter & Gamble Company Label applicator having a heat idler
CN102421672A (en) * 2009-05-13 2012-04-18 宝洁公司 Label applicator having a vacuum box
WO2010132268A2 (en) * 2009-05-13 2010-11-18 The Procter & Gamble Company Label applicator having a vacuum box
JP2012526027A (en) * 2009-05-13 2012-10-25 ザ プロクター アンド ギャンブル カンパニー Label applicator with vacuum box
WO2010132269A2 (en) * 2009-05-13 2010-11-18 The Procter & Gamble Company Label applicator having a heat idler
US8888945B2 (en) 2009-05-13 2014-11-18 The Procter & Gamble Company Label applicator having a heat idler
US9555914B2 (en) 2009-05-13 2017-01-31 The Procter & Gamble Company Label applicator having a heat idler
CN102421671B (en) * 2009-05-13 2015-06-17 宝洁公司 Label applicator having a heat idler
CN102421672B (en) * 2009-05-13 2015-06-17 宝洁公司 Label applicator having a vacuum box
DE102013215547A1 (en) 2013-08-07 2015-02-12 Krones Aktiengesellschaft Feed and storage device for an endlessly conveyed strip material and method for its promotion
EP2835315A1 (en) 2013-08-07 2015-02-11 Krones Aktiengesellschaft Feeding and storage device for an endlessly conveyed belt material and method of conveying same
EP3800137A1 (en) * 2019-09-26 2021-04-07 Krones AG Dispensing device, labelling machine and method for labelling containers

Also Published As

Publication number Publication date
DE2825102A1 (en) 1979-12-13
DE2825102C2 (en) 1984-11-29
EP0006179B1 (en) 1982-03-10
ATE744T1 (en) 1982-03-15

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