EP0493329A1 - A device for supporting and driving the label gumming and transfer unit in labelling machinery - Google Patents
A device for supporting and driving the label gumming and transfer unit in labelling machinery Download PDFInfo
- Publication number
- EP0493329A1 EP0493329A1 EP91830285A EP91830285A EP0493329A1 EP 0493329 A1 EP0493329 A1 EP 0493329A1 EP 91830285 A EP91830285 A EP 91830285A EP 91830285 A EP91830285 A EP 91830285A EP 0493329 A1 EP0493329 A1 EP 0493329A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centre
- gumming
- motion
- station
- drive head
- 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
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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.
- 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.
Abstract
Description
- 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.
- In the course of its rotation, 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. In labelling machines of the type in question, 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. In order to prevent the risk of gum leaking down toward the delicate mechanisms and trains of gears located internally of the base, use is made of rubber couplings, O-rings, labyrinth seals, etc., that is, parts designed to ensure a fluid-tight barrier.
- The main drawback encountered in such machines is that the gum, albeit initially fluid, tends to dry out during standstill periods and solidify into lumps that can ruin a seal fashioned in rubber.
- 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.
- Such problems are overcome currently by dismantling the affected parts and cleaning them separately, though this is a lengthy procedure when compared with the more simple expedient of spray-washing the machine prior to shutting off the drive. Despite such precautionary measures, moreover, bearings still need to be replaced periodically, and indeed somewhat frequently.
- In most cases, 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.
- Thus, the slide constitutes a further part of the machine exposed to the spilled adhesive.
- 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.
- The stated objects are fully realized in a device for supporting and driving the gumming and transfer unit in a labelling machine, as characterized in the appended claims; such a device 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.
- The invention will now be described in detail, by way of example, with the aid of the accompanying drawings, in which:
- fig 1 illustrates the device in plan;
- fig 2 is an elevation of the device viewed partly in section through A-A of fig 1.
- Referring to the drawings, 1 denotes the central transfer station of a labelling machine.
- The
station 1 comprises a plurality of vertical and parallel rotatingshafts 9 associated with atop platform 25, which are spaced apart one from the next at identical angular distance and partially inserted into abottom platform 24. - In the example illustrated, the station comprises four such shafts spaced apart at intervals of 90°. Each
shaft 9 carries a segment denoted 2, and is supported by thetop platform 25 in such a way as to revolve around theaxis 26 of acentre shaft 11. Theshafts 9 andplatforms top drive head 8. - The transmission components themselves are set in motion by the
centre shaft 11, which rotates about theaxis 26 of thestation 1 and is accommodated in aprotective sleeve 10. - The
centre shaft 11 in its turn is set in rotation by mechanical transmission means housed within thebase 7 of the machine and connected to a main drive system not illustrated in the drawings. - Each
segment 2 comprises an outwardly directedsurface 27 positioned to enter into contact with agumming roller 5, from which it receives adhesive, and with a dispensing magazine 3 from which single labels are taken up onto thegummed surface 27. - Rotating about the
centre axis 26 and about therelative shaft 9, thesegment 2 encounters a drum denoted 4, whereupon the label is detached from thecontact face 27 by grippers (not illustrated) and transferred to one of a succession of containers directed through the machine. - Referring to fig 2 of the drawings, 14 denotes a geared motor (this might be replaced by a graduated handwheel) housed internally of the
base 7 and driving ashaft 15 disposed coaxial with thecentre shaft 11. - The
shaft 15 transmits rotation to acarrier 16 supporting a plurality of freely revolvingplanet wheels 17, which are positioned to mesh internally with apinion 18 keyed to thecentre shaft 11 and externally with aring gear 19 associated freely with thecentre shaft 11. - The
ring gear 19 meshes additionally with agear 20 set in rotation by the main drive system (not shown in the drawings) of the labelling machine. - 28 denotes a protective casing positioned over the
base 7 of the machine; the casing houses a gear 12 keyed to thecentre shaft 11 and in mesh with an idle gear 30 meshing in turn with afurther gear 13 keyed to theshaft 29 driving thetransfer drum 4, in such a way that rotation can be transmitted to the drum. - 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 thecasing 28, and encircling theprotective sleeve 10. - The
base 7 and theupper drive head 8 are connected by a pillar or upright 6 serving also to provide means by which thecentre station 1 and thegumming roller 5 are supported from overhead. - The main drive system housed in the
base 7 and the transmission components housed in thedrive head 8 are interconnected through mechanical transmission means housed in the base itself and via thecentre shaft 11, though in an alternative arrangement (not illustrated) this same connection could be effected via transmission means housed in thepillar 6, thus eliminating thecentre shaft 11 and isolating the gumming station from the base altogether. - The transmission components housed in the
top drive head 8, which operate thecentre station 1 and thegumming 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 theshaft 15, hence thecarrier 16 and theplanet wheels 17, and rotate thecentre shaft 11 through the required angle, while thegear 20 associated with the main drive remains stationary. During normal operation, conversely, thisgear 20 drives thering gear 19, hence thecentre shaft 11, whilst thecarrier 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. - Thus, the machine can be spray cleaned without any components being dismantled.
- As illustrated in fig 2, the periphery of the
drive head 8 affords a plurality ofspray 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.
- Once the apply pressure is adjusted in the device disclosed, on the other hand, the central axes of the transfer drum, the container to be labelled and centre station undergo no change in position.
- 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.
Claims (7)
in that it comprises means by which the gumming roller (5), the centre station (1) and relative drive means are supported from above, and in that such drive means are positioned above the gumming roller and the centre station.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT42545A IT1242411B (en) | 1990-12-21 | 1990-12-21 | SUPPORT AND TRANSMISSION DEVICE FOR LABEL GLUING AND TRANSFER UNIT IN LABELING MACHINE |
IT4254590 | 1990-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0493329A1 true EP0493329A1 (en) | 1992-07-01 |
EP0493329B1 EP0493329B1 (en) | 1994-11-30 |
Family
ID=11254380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91830285A Expired - Lifetime EP0493329B1 (en) | 1990-12-21 | 1991-06-26 | A device for supporting and driving the label gumming and transfer unit in labelling machinery |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0493329B1 (en) |
DE (1) | DE69105475T2 (en) |
IT (1) | IT1242411B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2769924A1 (en) * | 2013-02-26 | 2014-08-27 | Krones AG | Labelling machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3591168A (en) * | 1965-09-17 | 1971-07-06 | Jagenberg Werke Ag | Apparatus for labeling bottles and similar articles |
FR2069151A5 (en) * | 1970-03-06 | 1971-09-03 | Kronseder Hermann | |
US3928120A (en) * | 1973-05-18 | 1975-12-23 | Jagenberg Werke Ag | Apparatus for separating and conveying sheet-like blanks |
-
1990
- 1990-12-21 IT IT42545A patent/IT1242411B/en active IP Right Grant
-
1991
- 1991-06-26 EP EP91830285A patent/EP0493329B1/en not_active Expired - Lifetime
- 1991-06-26 DE DE69105475T patent/DE69105475T2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3591168A (en) * | 1965-09-17 | 1971-07-06 | Jagenberg Werke Ag | Apparatus for labeling bottles and similar articles |
FR2069151A5 (en) * | 1970-03-06 | 1971-09-03 | Kronseder Hermann | |
US3928120A (en) * | 1973-05-18 | 1975-12-23 | Jagenberg Werke Ag | Apparatus for separating and conveying sheet-like blanks |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2769924A1 (en) * | 2013-02-26 | 2014-08-27 | Krones AG | Labelling machine |
Also Published As
Publication number | Publication date |
---|---|
DE69105475T2 (en) | 1995-04-13 |
IT9042545A1 (en) | 1992-06-22 |
IT1242411B (en) | 1994-03-04 |
DE69105475D1 (en) | 1995-01-12 |
EP0493329B1 (en) | 1994-11-30 |
IT9042545A0 (en) | 1990-12-21 |
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