DUAL CONFIGURATION SUPPORT UNIT FOR ONE LABEL TRANSFER DRUM

Description

“ PP UNITS PPI SETUPPERUN AUDIOTRANSFER DRUM TT AND ” DESCR エ 2 エ ONE IF TT HEAR LL TECHNICAL The present invention relates to a support unit for a car label transfer drum ethics, in particular to improve the flexibility (ie the ease of hiring a new and 10 different configuration) of the transfer drum. The inventive presentation , furthermore , relative transfer drum provided of said unit of on ortho pp . THE FRONT RTE 15 In the field of pourable product packaging container medium , is known as usodietics tt actresses Typically, the labeling machine includes a feed roller for feeding a tape of material of labeling with a rotation speed and a unit of 20 cuts to cut the fed tape in sequence, in so that the cut labels are released in sequence at a receiving station in the respective sectors of a transfer drum. The transfer drum includes a plurality of angularly distributed sectors 25 a tt ornoauna ss and the drum. The transfer drum is configured so that that, rotating around the axis, the sectors receive in sequence the labels at a receiving station, transfer the received labels in sequence through a gluing station, where the glue is spread in sequence on the respective front and rear terminal portions rear of the eetiche tt e transferrede , to a station of application, apply the transferred labels in sequence on their respective containers. 10 Typically, the labeling machine includes a gluing unit, to spread glue in the station of gluing. The glue is spread in sequence on the respective anterior terminal portion and terminal portion back of the labels to be transferred. 15 The labelling machine also includes a conveyor for transporting containers. The machine labeler is configured so that the containers are labeled while being transported by the transporter . Each sector comprises a front pad (also known as a “front pad”) configured to support a portion front terminal of the label and a rear pad (also known as a “rear pad”) configured to support a rear terminal portion of the label. 25 The need to manage labels may arise larger size (e.g. due to elongation (unintentional label tape removal during handling) or to vary the length of the so-called "flag" or vv was the length of the posterior terminal portion of the label that protrudes (in particular protrudes) from the respective rear pad. In currently known transfer drums, for to try to do something, it is required replace the previously used pad with a new pad 10 of different size. This replacement, however, requires a a significant intervention, as the operator must disassemble the components from the transfer drum and then assemble the new components. Furthermore, in the known transfer drums, at each 15 size (especially length) of the label from transfer, a pair of pads is uniquely assigned suitable size. Considering that each drum of transfer includes a plurality of sectors, the number of pads to replace and high and requires a warehouse with 20 different sizes of pads, not insignificant. DESCRIPTION OF THE INVENTION A support unit for a transfer drum of labels of a labeling machine according to the this description or according to any of the 25 attached apparatus claims allows in a way effectiveness an improvement of flexibility of the drum of transfer with respect to configuration changes. The label transfer drum of a machine labelling machine equipped with said support unit in according to this description presents an improvement flexibility with respect to configuration changes. BRIEF DESCRIPTION OF THE DRAWING TABLES The present invention will now be described with refer to the drawings nn and ss i, which will provide an example of 10 non-limiting realization: - Figure 1 is a schematic and plan view from above (with some parts removed for clarity) of a labeling machine; - figure 2 is a schematic and perspective view (from 15 low) of a transfer drum of figure 1 in a first setup; - Figure 3 is a schematic and enlarged view of a part (sector) of the transfer drum of the figure 2 ; 20 Figure 4 is a schematic and perspective view (from l bottom) of the transfer drum of figure 1 in a second (different) configuration; - Figure 5 is a schematic and enlarged view of a part (sector) of the transfer drum of the figure 4; - Figure 6 is a schematic and enlarged view of a transfer drum front pad; and - Figure 7 is a schematic and plan view from above comparing the two configurations. FORMEDIA TTU PREFERRED ACTION OF THE INVENTION In figure 1, the reference number 1 indicates schematically a labelling machine for the ethical treatment of containers 2, such as bottles, oil barrels or containers of this type, suitable for containing a product 10 pourable, such as a food product, a product for home care or personal care product. The labelling machine 1 comprises a drum of feed 3 which feeds a tape 4 of material labeling with a rotation speed. The drum of 15 power supply 3 delimits a SR receiving station. The labelling machine 1 comprises a unit of cut 5 to cut the ribbon 4 in sequence power supply, so that the 6 cut labels are released in sequence to the SR receiving station. The unit 20 cutting 5 defines a cutting station ST. The labels 6 are cut in sequence to be separated from the remaining part of the tape 4 at the station of ST cutting. The 6 labels are released to the respective sectors 7 of a transfer drum 8. The transfer drum 25 transfer 8 includes a plurality of sectors 7 distributed angularly around the Y-axis of the drum transfer 8. The transfer drum 8 comprises a Y-axis. The Y-axis is a central rotation axis of drum 8. Transfer drum 8 is configured so that, by rotation around the Y-axis, the sectors 7 receive the labels 6 in sequence in the station SR reception and are transferred sequentially through the cutting station ST. In particular, the drum transfer 8 is configured so that, rotating around to the a ss and Y, 1 se tt ori 7 transfer in sequence the 10 labels 6 received through the ST cutting station, which is angularly interposed between the receiving station SR and a SI gluing station. The station gluing YES and is defined by a gluing unit 9. The labelling machine 1 (in particular the drum) 15 transfer 8) includes the gluing unit 9. The transfer drum 8 is configured so that, by rotating around the Y-axis, 1 sectors 7 transfer in sequence the 6 labels received through the station of gluing YES, where the gluing unit 9 spreads the 20 glue in sequence on respective terminal portions 1 0 and 11 of the 6 labels to be transferred. Portion 10 and portion anterior terminal; while portion 11 and portion rear terminal of the same label 6 and opposite at the terminal portions 10. The transfer drum 8 is configured so such that, rotating around the Y axis, the sectors 7 apply in sequence, in an SA application station, the labels 6 transferred to the respective containers 2. The labelling machine 1 comprises a carousel of transport 12 for the transport of containers 2, in detail along an arched path P. The machine and labeling machine 1 is configured so that the containers 2 are labeled while being transported by the 10 conveyor ⑫ . The conveyor 12 is preferably a carousel. According to the present invention, as illustrated in the illustration, attached figures, the transfer drum 8 (in in particular each sector 7 of the drum 8) comprises at least 15 a support unit 13 (detailed in the figures 2-5). The support unit 13 includes a front pad 14 (also known as “front pad”) configured to support the front terminal portion 10 of label 6 and a pad rear 15 (also known as “rear pad”) configured for support a rear end portion 11 of label 6 (as illustrated schematically in the figure 1). The support unit 13 is configured to assume two 25 configurations. The first configuration (illustrated schematically in figures 2 and 3) corresponds to a first orientation of the front pad 14 and a first footprint angular of the label 6 around the central Y axis. The second configuration (illustrated schematically in the figures 4 and 5) corresponds to a second orientation of the pad front 14 and a second angular size of the label 6 around the central part of the Y, in order to compensate the non-nominal length of the label 6 and / or to be varied length H of a flap 16 protruding from the rear pad 15 10 (as illustrated schematically in figures 7A and 7B schematic). While, in the first configuration and in the second configuration the rear pad 15 has the same orientation. In other words, while The orientation of the front pad 14 changes between the two 15 configurations, 15 rear pad orientation remains unchanged between the two configurations. The first orientation is different from the second orientation. The first footprint is different from the second encumbrance. 20 Compensation for non-nominal length of the label 6 and / or the length H of a protruding flap 16 from the rear pad 15 (as illustrated schematically in the (figures 7A and 7B schematic) obtainable with this invention and less than 5 mm, in particular less than 25 2mm, preferably in the order of 1mm. A preferred (but not limited) embodiment of the front pad 14 is illustrated schematically in the figure 6. The front pad 14 has an extension longitudinal L. エ ① front pad 14 (as well as the pad rear 15) is mounted on the support unit 13 with the vertically oriented longitudinal extension L. The longitudinal extension is parallel to the axis central X of the drum 8. The front pad 14 is configured to be rotated by 10 an angle A (schematically indicated in figure 6) around gathers ss and X dirotazione, cheetransversale, in particular orthogonal, to its longitudinal extension L, to pass from the first orientation to the second orientation, and vice versa. The angle A in particular is equal to 180°. The X-axis of 15 rotation and in particular arranged transversely, in particular orthogonally, to the label 6 transferred from transfer drum 8. The X-axis extends in particular radially to the Y-axis of rotation of the drum of transfer 8. The position of the X-axis does not change in the 20 two configurations. Each front pad 14 includes two chamfers 17 and 18 which extend parallel to the extension longitudinal L and which define between them a surface of support 19 of label 6. The two chamfers 17 and 18 are 25 inclined by two angles Bl and B2 different from each other with respect to to the supporting surface ⑲. The angle B2 is greater with respect to angle B① . Advantageously, the chamfer 17 and inclined angle B l which is between 20 and 45°, preferably is included between 30 and 40° in particular is equal to 35°; and the chamfer 18 is inclined by an angle B 2 which is between 3 0 ° and 6 0 °, preferably it is between 40° and 50°, in particular it is pariah 4 5 ° . Therefore, thanks to the inclination angles Bl and B2 10 of the chamfers 17 and 18 different from each other results in a chamfer surface size 17 different (in (larger joint as illustrated in figures 7A and 7B) compared to the chamfer surface ⑲ . This difference of size involves a change in position 15 relative of label 6 to support unit 13 (as schematized in figures 7A and ⑦B). With reference to figures 7 A and 7 B, above position of label 6 in the following places: Pl- position of the terminal end 10 of the label 6 upstream of the chamfer 17, P2- position of the label point 6 downstream of chamfer 17, P3- position of label point 6 a chamfer mount 18 and P4 - end position terminal 11 of label 6, known as point P 2 of label figure 7B is displaced (by an amount Q) with respect to the point 25 P2 of figure 7B. Similarly, point P3 of figure 7A is moved (by the amount Q) with respect to the point P3 of the figure ⑦B . Therefore, the length H of the flap 16 of figure 7B is reduced by the amount Q with respect to the length H of the edge 16 of figure 7A. The distance between points P2 and P3 defines the size of the support surface 19 and It is the same for both figures 7A and ⑦B. As illustrated, at the front pad 1 4, label 6 is supported by one of the two mussi 1 7 or 18 and from a supporting surface 19. In particular, 10 as illustrated in figure 7a, in the first configuration label 6 is supported by chamfer 17 and by support surface ⑲ . While, as illustrated in the figure 7B, in the second configuration the label 6 is supported by the chamfer 18 and the supporting surface ⑲. 15 Advantageously, as illustrated in figures 1-5, the front pad 14 and rear pad 15 are housed in respective locations 20 of support unit 13. Location 20 is configured to accommodate the front pad 14 in both the configurations. In other words, when moving from the first 20 configuration and the second configuration , vice versa , is enough rotate the front pad 14 and not necessary adapt (ie modify) the seat As illustrated in Figures 2 and 4, upon switching from the first configuration to the second configuration, ら 25 vice versa, each support unit 13 (particularly each front pad 14 of the support unit 13) of the transfer drum 8 is rotated with the same orientation . In other words , noncisonous dde configurationist , wheresomebefore the feature the first orientation and other front pads present the second guidance. Advantageously, the switch from the first configuration to the second configuration, or vice versa, It is done manually by the operator. 10 Therefore, to go from the first configuration to the second configuration 1" operator must proceed only to disassemble the front pad 14, to rotate it of the angle A (i.e. 180°) around the X axis and reassemble it with the new orientation in the same location 20. 15 Advantageously, the front pad 14 and the pad rear 15, as well as the support unit 13, are provided with respective openings 21 through which, with the help of aspirated air, it is possible to retain (in a known way) 1label 6 to the respective sector 7. 20 Advantageously, as illustrated in figure 6, 1o (vertical) edge も ェ a chamfer 17 and the surface of support 19, cosl as the corner (vertical) between the bevel 1 8 elastic surface supported 1 9 , sound cord , unmode such as to avoid possible edges that may damage 25 1label 6. In Figures 7A and 7B (which are views schematics), the edge fitting (vertical) and state omitted. Drum 8 could assume a first operating condition in which each support unit 13 assumes the first configuration , edunasecond operational C エ each support unit 13 takes the second setup. In this way the flexibility of the drum comes increasessignificantly , allowing to varymode effective 1' angular bulk of each label 10 carried by the drum. In this way, the drum's capacity 8 to compensate for any non-nominal length of the label is increased. The flexibility of the transfer drum 8 compared to the length of the flap 16, for example in case there is the 15 desire to vary the positioning of the applied glue on the rear portion 11 with respect to the label itself. The support unit 13 described so far allows for increase the flexibility of the transfer drum 8 thus allowing you to easily adapt to a new 20 configuration. The support unit 13 therefore allows for the adaptation easily the transfer drum 8 to the variations of non-nominal length of labels 6. The support unit 13 also allows for adaptation 25 easily to change format or other circumstances may require a 16 inch protruding flap length H from the rear pad 15 different. The above mentioned advantages can for example be obtained by providing the front pad 14 with two chamfers 17 and 18 which have different inclination angles Bl and B2 among themselves, as previously described. In an unshown embodiment, the first orientation of the front pad 14 corresponds more generally to a first positioning of the front pad 14, and the 10 second orientation of the front pad 14 corresponds more in general to a second positioning of the front pad 14. The first positioning is different from the second positioning. In this embodiment not shown, for switch the front pad between the first positioning and the 15 second positioning, seat 2 0 is rotated by 1 8 0 °.

Claims

CLAIMS 1. A support unit (13) for a transfer drum (8) of labels (6) of a labelling machine (1) for containers (2), said drum having a central rotation axis (Y); the support unit (13) comprises: - a front pad (14) configured to support a front end portion (10) of the label (6); and - a rear pad (15) configured to support a rear end portion (11) of the label (6);wherein, the support unit (13) is configured to assume a first configuration, which corresponds to a first positioning of the front pad (14) and a first angular bulk of the label (6) around said central axis (Y), and a second configuration which corresponds to a second positioning of the front pad (14) and a second angular bulk of the label (6) around said central axis (Y), so as to compensate for a non-nominal length of the label (6) and / or to vary a length (H) of a label flap (16) protruding from the rear pad (15), said first positioning being different from said second positioning and said first bulk being different from said second bulk.; 2. Support unit (13) according to claim 1, wherein said first positioning corresponds to a first orientation of the front pad (14) and said second positioning corresponds to a second orientation of the front pad (14), said first orientation being different from said second orientation.

3. The support unit (13) according to any preceding claim, wherein the support unit (13) comprises a seat (20) configured to accommodate the front pad (14) in both configurations, said seat being rotatable to change the positioning of the front pad (14) between the first positioning and the second positioning.

4. The support unit (13) according to claim 2, wherein in the first configuration and in the second configuration the rear pad (15) has the same orientation.

5. The support unit (13) according to claim 2 or 4, wherein the front pad (14) is configured to be rotated by a first angle (A) about an axis (X) of rotation, which is transverse, in particular orthogonal, to a longitudinal extension thereof (L), to switch from the first orientation to the second orientation, and vice versa, said longitudinal extension being operationally parallel to said central axis (Y).

6. The support unit (13) according to claim 5, wherein the first angle (A) is equal to 180°.

7. The support unit (13) according to any preceding claim, wherein the front pad (14) comprises two chamfers (17, 18) which extend parallel to the longitudinal extension (L) and which define between them a supporting surface (19) of the label (6); and the two chamfers (17, 18) are inclined by two further angles (B1, B2) different from each other with respect to the supporting surface (19).

8. The support unit (13) according to claim 7, wherein: the first chamfer (17) is inclined by a second angle (B1) which is between 20° and 45°, preferably is between 30 and 40° in particular is equal to 35°; and the second chamfer (18) is inclined by a third angle (B2) which is between 30° and 60°, preferably is between 40 and 50°, in particular is equal to 45°.

9. The support unit (13) according to claim 7 or 8, wherein the third angle (B2) is greater than the second angle (B1).

10. A transfer drum (8) for labels (6) of a labelling machine (1) for containers (2) and comprising a plurality of support units (13), each made according to any of claims 1 to 9, said drum (8) being able to assume a first operating condition in which each support unit (13) assumes the first configuration, and a second operating condition in which each support unit (13) assumes the second configuration.