EP0493329B1 - Dispositif pour supporter et entrainer l'unité d'engemmage et de transfert d'étiquettes dans les machines d'étiquettage - Google Patents

Dispositif pour supporter et entrainer l'unité d'engemmage et de transfert d'étiquettes dans les machines d'étiquettage Download PDF

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Publication number
EP0493329B1
EP0493329B1 EP91830285A EP91830285A EP0493329B1 EP 0493329 B1 EP0493329 B1 EP 0493329B1 EP 91830285 A EP91830285 A EP 91830285A EP 91830285 A EP91830285 A EP 91830285A EP 0493329 B1 EP0493329 B1 EP 0493329B1
Authority
EP
European Patent Office
Prior art keywords
centre
station
centre station
gumming
shaft
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.)
Expired - Lifetime
Application number
EP91830285A
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German (de)
English (en)
Other versions
EP0493329A1 (fr
Inventor
Ireneo Orlandi
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.)
Alfa Costruzioni Meccaniche SpA
Original Assignee
Alfa Costruzioni Meccaniche SpA
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Filing date
Publication date
Application filed by Alfa Costruzioni Meccaniche SpA filed Critical Alfa Costruzioni Meccaniche SpA
Publication of EP0493329A1 publication Critical patent/EP0493329A1/fr
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Classifications

    • 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 present invention relates to a device serving to support and drive the unit by which labels are gummed and transferred in a labelling machine.
  • Conventional labelling machines and in particular high speed machines with an output capacity of 40 to 50 thousand pcs/h, generally comprise a rotary platform of which the periphery affords a plurality of plates to receive containers for labelling.
  • the platform passes through one or more labelling stations comprising a label dispensing magazine, a gumming roller and a transfer drum disposed about a centre station with revolving segments or paddles.
  • the segments are smeared with glue by the gumming roller in such a way as to pick up the labels from the magazine; each label clings to the respective segment by way of its reverse side and is conveyed thus to the transfer drum, taken up by grippers, and applied to one of a succession of containers conveyed through the machine.
  • the gums are utilized cold, and generally will be water soluble, polyvinyl or casein based adhesives.
  • the gumming roller and the centre station supporting the segments will stand generally on a base or bed housing the prime mover of the machine and the transmission components, which are oil-immersed.
  • Metal labyrinth seals are also affected, becoming partly obstructed by a sediment of adhesive matter and tending consequently to generate a pumping effect when in rotation; this, for example, favours an undesirable suction of water and/or gum during cleaning operations.
  • the labelling unit is mounted to a slide with crossed slots (of dovetail profile) on which the components can be traversed in a radial direction to give positioning along two mutually perpendicular axes and thus permit of adjusting the timing and pressure with which the label is applied during operation of the machine.
  • the slide constitutes a further part of the machine exposed to the spilled adhesive.
  • US-A-3591168 discloses an apparatus for labeling bottles and similar articles comprising a revolving platform which rotates about its axis and which comprises two discs, an upper one and a lower one, connected by a central shaft.
  • the platform can rotate by means of drive means located below the platform and not protected against gum and adhesive materials leaking down from the platform.
  • the object of the invention is to overcome the drawbacks mentioned, and in particular to embody a device for supporting and driving the gumming roller and the centre station with its associated segments, such as will both disallow any leakage of water and/or gum into the internal drive mechanisms of the machine and enable an easy recovery of water or washing liquid at one and the same time.
  • a further object of the invention is to permit of washing down the labelling machine either manually or automatically without the need to dismantle any of its component parts.
  • Another object of the invention is to afford ease of access to transmission components of the device and thus facilitate inspection and servicing.
  • a device for supporting and driving the gumming and transfer unit in a labelling machine comprises means by which a gumming roller and a centre station with rotating segments are supported from above, and these same means also carry the drive transmission components of the unit, which are located above the gumming roller and the centre station.
  • 1 denotes the central transfer station of a labelling machine.
  • the station 1 comprises a plurality of vertical and parallel rotating shafts 9 associated with a top platform 25, which are spaced apart one from the next at identical angular distance and partially inserted into a bottom platform 24.
  • the station comprises four such shafts spaced apart at intervals of 90°.
  • Each shaft 9 carries a segment denoted 2, and is supported by the top platform 25 in such a way as to revolve around the axis 26 of a centre shaft 11.
  • the shafts 9 and platforms 24 and 25 are set in motion by power transmission components (not shown in the drawings) housed in a top drive head 8.
  • the transmission components themselves are set in motion by the centre shaft 11, which rotates about the axis 26 of the station 1 and is accommodated in a protective sleeve 10.
  • the centre shaft 11 in its turn is set in rotation by mechanical transmission means housed within the base 7 of the machine and connected to a main drive system not illustrated in the drawings.
  • Each segment 2 comprises an outwardly directed surface 27 positioned to enter into contact with a gumming roller 5, from which it receives adhesive, and with a dispensing magazine 3 from which single labels are taken up onto the gummed surface 27.
  • a geared motor (this might be replaced by a graduated handwheel) housed internally of the base 7 and driving a shaft 15 disposed coaxial with the centre shaft 11.
  • the shaft 15 transmits rotation to a carrier 16 supporting a plurality of freely revolving planet wheels 17, which are positioned to mesh internally with a pinion 18 keyed to the centre shaft 11 and externally with a ring gear 19 associated freely with the centre shaft 11.
  • the ring gear 19 meshes additionally with a gear 20 set in rotation by the main drive system (not shown in the drawings) of the labelling machine.
  • the casing houses a gear 12 keyed to the centre shaft 11 and in mesh with an idle gear 30 meshing in turn with a further gear 13 keyed to the shaft 29 driving the transfer drum 4, in such a way that rotation can be transmitted to the drum.
  • a vessel 21 denotes a vessel provided with a drain outlet 22 serving to collect adhesive, liquids and cleansing fluids etc., falling from the labelling unit, i.e. from the centre station and the gumming roller.
  • the vessel occupies a position between the bottom platform 24 and the casing 28, and encircling the protective sleeve 10.
  • the base 7 and the upper drive head 8 are connected by a pillar or upright 6 serving also to provide means by which the centre station 1 and the gumming roller 5 are supported from overhead.
  • the main drive system housed in the base 7 and the transmission components housed in the drive head 8 are interconnected through mechanical transmission means housed in the base itself and via the centre shaft 11, though in an alternative arrangement (not illustrated) this same connection could be effected via transmission means housed in the pillar 6, thus eliminating the centre shaft 11 and isolating the gumming station from the base altogether.
  • the transmission components housed in the top drive head 8, which operate the centre station 1 and the gumming roller 5, are oil-immersed and enclosed in a fluid-tight enclosure created preferably with rubber seals.
  • the machine is adjusted for operation with a given type and diameter of container in the following manner: the geared motor 14 is activated in order to turn the shaft 15, hence the carrier 16 and the planet wheels 17, and rotate the centre shaft 11 through the required angle, while the gear 20 associated with the main drive remains stationary. During normal operation, conversely, this gear 20 drives the ring gear 19, hence the centre shaft 11, whilst the carrier 16 remains idle.
  • the device according to the invention affords an overhead support from which to suspend the centre station and gumming roller in labelling machinery; accordingly, it becomes possible to eliminate the problems connected with damage caused to rubber seals by hardened lumps of adhesive, as liquids and residual gum tend to cascade freely during washing operations and fall into the collection vessel 21, without penetrating the drive head 8.
  • the machine can be spray cleaned without any components being dismantled.
  • the periphery of the drive head 8 affords a plurality of spray nozzles 23 by means of which to effect an automatic wash of the lower parts of the machine.
  • a further advantage of the device disclosed is that a change of the size of container in production can be accommodated simply by advancing or retarding the transfer of the labels, given that the pressure brought to bear in application of the label remains unaltered; by contrast, in conventional machines with slotted guides, the corresponding adjustment has the effect of upsetting the apply pressure.
  • Another advantage derives from the ready access afforded to transmission components in the drive head 8, hence the ease with which inspection and servicing operations can be carried out.
  • a device according to the invention requires less maintenance than prior art embodiments, and can be integrated into conventional labelling machines with a minimum of simple modifications.

Landscapes

  • Labeling Devices (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Cleaning In General (AREA)

Claims (9)

  1. Un dispositif qui sert à supporter et à entraîner l'unité d'engemmage et de transfert des étiquettes dans une machine d'étiquettage et qui comprend un dépôt d'étiquettes (3), un rouleau d'engemmage (5) et un tambour de transfert (4) disposés autour d'une station centrale (1) qui porte une pluralité de segments ou de palettes pouvant tourner (2); des moyens d'entraînement qui mettent en mouvement le rouleau d'engemmage (5) et la station centrale (1);
    caractérisé
    en ce fait qu'il comprend des moyens par lesquels le rouleau d'engemmage (5), la station centrale (1) et les moyens d'entraînement relatifs sont supportés par le haut, et en ce fait que ces moyens d'entraînement sont positionnés au-dessus du rouleau d'engemmage (5) et de la station centrale (1).
  2. Un dispositif comme celui de la revendication 1, dans lequel les moyens par lesquels le rouleau d'engemmage (5) et la station centrale (1) sont supportés par le haut comprennent une colonne ou une pièce verticale (6) qui relie l'une à l'autre une base (7) qui supporte la machine et qui loge un système d'entraînement principal, et une tête d'entraînement supérieure (8) qui loge les moyens d'entraînement et les organes par lesquels le mouvement est transmis au rouleau d'engemmage et à la station centrale.
  3. Un dispositif comme celui de la revendication 2, dans lequel la colonne (6), qui est réalisée avec l'intérieur creux et qui remplace un arbre central de la station centrale (1), loge des moyens de transmission qui relient le système d'entraînement principal logé dans la base (7) aux organes de transmission logés dans la tête d'entraînement supérieure (8).
  4. Un dispositif comme celui de la revendication 2, qui comprend en plus un arbre central (11) supporté de façon telle qu'il puisse tourner, à l'intérieur d'un manchon (10) qui relie l'une à l'autre la tête d'entraînement supérieure (8) et la base (7), par lequel le mouvement est transmis du système d'entraînement logé dans la base (7) aux organes de transmission logés dans la tête d'entraînement supérieure (8).
  5. Un dispositif comme ceux des revendications 1 et 2, qui comprend en outre des moyens de transmission mécaniques par lesquels un engrenage (20) mis en rotation par le système d'entraînement principal de la machine d'étiquettage est relié aux organes de transmission logés dans la tête d'entraînement supérieure (8), et qui peuvent être mis en mouvement par un moteur à train d'engrenage (14) avec l'engrenage (20) qui reste immobile de façon à régler le rythme de la station centrale (1).
  6. Un dispositif comme celui de la revendication 5, dans lequel les moyens de transmission mécaniques comprennenet un arbre (15) mis en mouvement par le moteur à train d'engrenage (14) et destiné à faire tourner une plaque portante (16) qui supporte une pluralité de roues satellites (17) engrenées à l'intérieur avec un pignon (18) claveté sur l'arbre central (11) et à l'extérieur avec une couronne dentée (19) qui est associée librement à l'arbre central (11) et qui est aussi en prise avec l'engrenage (20) mis en rotation par le système d'entraînement principal de la machine d'étiquettage.
  7. Un dispositif comme ceux des revendications 1 et 2, qui comprend en plus une pluralité d'ajutages d'arrosage (23) associés au pourtour extérieur de la tête d'entraînement supérieure (8) grâce auxquels on peut laver automatiquement les parties inférieures de la machine d'étiquettage, et un bac (21), qui présente un tuyau d'écoulement (22), qui sert à recueillir les liquides utilisés pour laver et les résidus de colle qui sont enlevés pendant l'opération de lavage.
  8. Un dispositif comme celui de la revendication 7, dans lequel le bac (21) occupe une position qui se trouve entre la plate-forme inférieure (24) et une enveloppe de protection (28), et qui entoure un manchon protecteur (10).
  9. Un dispositif comme celui de la revendication 1, caractérisé en ce fait que les axes centraux du tambour de transfert (4), du récipient qui doit être étiquetté et de la station centrale (1) ne subissent pas de changements de position.
EP91830285A 1990-12-21 1991-06-26 Dispositif pour supporter et entrainer l'unité d'engemmage et de transfert d'étiquettes dans les machines d'étiquettage Expired - Lifetime EP0493329B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT4254590 1990-12-21
IT42545A IT1242411B (it) 1990-12-21 1990-12-21 Dispositivo di supporto e trasmissione del gruppo di incollaggio e trasferimento etichette in macchina etichettatrice

Publications (2)

Publication Number Publication Date
EP0493329A1 EP0493329A1 (fr) 1992-07-01
EP0493329B1 true EP0493329B1 (fr) 1994-11-30

Family

ID=11254380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91830285A Expired - Lifetime EP0493329B1 (fr) 1990-12-21 1991-06-26 Dispositif pour supporter et entrainer l'unité d'engemmage et de transfert d'étiquettes dans les machines d'étiquettage

Country Status (3)

Country Link
EP (1) EP0493329B1 (fr)
DE (1) DE69105475T2 (fr)
IT (1) IT1242411B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013203157A1 (de) * 2013-02-26 2014-08-28 Krones Ag Etikettiermaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES330157A1 (es) * 1965-09-17 1967-06-16 Jagenberg-Werke A G Un dispositivo para etiquetar botellas u otros objetos.
FR2069151A5 (fr) * 1970-03-06 1971-09-03 Kronseder Hermann
DE2325244C3 (de) * 1973-05-18 1981-01-29 Jagenberg-Werke Ag, 4000 Duesseldorf Einrichtung zum Vereinzeln und Transportieren von blattförmigen Zuschnitten, insbesondere Etiketten

Also Published As

Publication number Publication date
IT1242411B (it) 1994-03-04
DE69105475T2 (de) 1995-04-13
IT9042545A0 (it) 1990-12-21
IT9042545A1 (it) 1992-06-22
DE69105475D1 (de) 1995-01-12
EP0493329A1 (fr) 1992-07-01

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