EP3446993A1 - Machine d'étiquetage avec tambour de transfert d'étiquettes amélioré - Google Patents

Machine d'étiquetage avec tambour de transfert d'étiquettes amélioré Download PDF

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Publication number
EP3446993A1
EP3446993A1 EP17306093.0A EP17306093A EP3446993A1 EP 3446993 A1 EP3446993 A1 EP 3446993A1 EP 17306093 A EP17306093 A EP 17306093A EP 3446993 A1 EP3446993 A1 EP 3446993A1
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EP
European Patent Office
Prior art keywords
leading pad
pad
lateral surface
leading
labeling machine
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.)
Pending
Application number
EP17306093.0A
Other languages
German (de)
English (en)
Inventor
Mattia Giuliani
Alessandro SALAMI
Marco Ferri
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.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
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 Sidel Participations SAS filed Critical Sidel Participations SAS
Priority to EP17306093.0A priority Critical patent/EP3446993A1/fr
Publication of EP3446993A1 publication Critical patent/EP3446993A1/fr
Pending legal-status Critical Current

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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
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1803—Label feeding from strips, e.g. from rolls the labels being cut from a strip
    • B65C9/1815—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means
    • B65C9/1819—Label feeding from strips, e.g. from rolls the labels being cut from a strip and transferred by suction means the suction means being a vacuum drum
    • 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
    • B65C9/40—Controls; Safety devices
    • B65C9/42—Label feed control

Definitions

  • the present invention relates to a labeling machine for applying labels onto articles, such as bottles or containers of all sort.
  • the present invention relates to a labeling machine equipped with an improved label transfer drum for receiving and transferring labels.
  • tubular labels commonly called “sleeve labels”
  • gluing labels which, after being cut from a web at appropriate lengths, are glued by gluing means, such as a gluing roller, spray and injector systems or the like, and are finally transferred to respective containers or articles.
  • a typical labeling machine substantially comprise:
  • the labels are retained by suction on an outer lateral surface of the transfer drum; the latter has an approximately cylindrical lobed configuration and is rotatable about a vertical axis.
  • the outer lateral surface of the transfer drum receives a succession of cut labels and releases such labels at the application station after a rotation of a certain angle about its own axis.
  • the transfer drum advances the cut labels along a horizontal arch-shaped path, which is tangent to the lateral surface of the respective articles to be labeled, in correspondence with the application station.
  • Transfer drums of the above-described type usually comprise a plurality of pads, which are carried on a peripheral portion thereof, slightly protrude from the outer lateral surface of the drum itself and have the function to engage with the leading and the trailing edges of the labels to be transferred.
  • the outer lateral surface of the transfer drum is provided with a plurality of air ports, which form a number of conveying sections bounded, each, by a respective pair of the above-mentioned pads.
  • the transfer drum is rotatably mounted on a distribution member, which is fluidly connected to a vacuum source and to the air ports of the outer lateral surface.
  • the air ports are fluidly connected with the source of vacuum, as the label advances towards the application station. In this way, the label is retained onto the outer lateral surface.
  • each label typically lies on the outer lateral surface with its leading edge held on one leading pad and its trailing edge held on one trailing pad.
  • pads also are provided with air ports, and the distance between each pair of pads (namely the distance between each leading pad and each trailing pad, the latter arranged downstream of the leading pad with respect to the direction of rotation) is substantially equal to the length of the label to be processed.
  • Each pad is connected to the transfer drum by elastic means, such as springs, permitting a limited displacement of the pad itself in a direction transversal to the drum axis. In this way, each pad is damped when receiving and applying the labels. In practice, each pad can oscillate about its idle position, substantially radially with respect to the drum axis.
  • Labeling machines of the above-described type may have, for productivity purposes, a plurality of labeling groups, for example two labeling groups, each one including a respective transfer drum feeding labels to alternate articles, respectively.
  • the arch-shaped path followed by the articles conveyed by the carousel comprises a number of application stations corresponding to the number of labeling groups, i.e. transfer drums.
  • the number of articles conveyed by the carousel is larger than the one in the single-drum configuration; this results in the distance between the articles to be reduced.
  • interference may occur between the label being transferred onto one article from one transfer drum, and the following article to be labeled by the other transfer drum.
  • number 1 indicates as a whole a labeling machine configured to apply labels 2 onto articles 3, in the present case bottles, only schematically shown and presenting respective axes B.
  • articles 3 present a circular cross-section and are suitable for being filled with pourable food products.
  • articles 3 may be other types of containers.
  • Labeling machine 1 essentially comprises a carousel 4, rotating in use about a vertical axis A, configured to receive articles 3 to be labeled from respective input conveying means (known per se and not shown), advancing articles 3 along a horizontal arch-shaped path P, and transferring them, after being labeled, to respective output conveying means (also known per se and not shown).
  • Labeling machine 1 also comprises two or more labeling groups 5, 6, which are arranged at distinct angular position around the periphery of carousel 4 and are configured to feed labels 2 thereto.
  • Input and output conveying means typically consist of star wheels.
  • Carousel 4 presents a substantially circular shape, is coaxial to axis A and comprises a supporting fixed chassis 7, supported in turn on the floor basement by a plurality of legs 8; carousel 4 further comprises a rotating group 9 mounted on chassis 7 in a rotatable manner around axis A and provided with a plurality of peripheral operating units 10 configured to receive the corresponding articles 3 to be labeled, with their axes B parallel to axis A.
  • rotating group 9 essentially comprises an upper peripheral portion 11 delimited by a cylindrical wall 16a.
  • Rotating group 9 further comprises a central portion 12 linked to peripheral portion 11 by means of a plurality of substantially radial arms 13 carrying, in a rotating manner, a shaft 14 coaxial to axis A.
  • shaft 14 is configured to control the rotation movement around axis A of rotating group 9, in a manner known and not described in detail.
  • Rotating group 9 further includes a lower supporting structure 15 limited by a cylindrical wall 16b.
  • Upper peripheral portion 11 and lower supporting structure 15 are fixed to shaft 14 in positions spaced from each other along the axis A itself, and define the plurality of peripheral operating units 10.
  • lower supporting structure 15 is provided, along path P, with a plurality of receiving elements 17a extending at evenly spaced angular positions around axis A and configured to coaxially receive respective bottom portions of articles 3.
  • upper peripheral portion 11 is provided with a plurality of retaining elements 17b extending at evenly spaced angular positions around axis A and configured to coaxially cooperate in a releasable manner with respective upper portions of articles 3.
  • Each receiving element 17a cooperates with the corresponding retaining element 17b in order to keep the relative article 3 in a stable position during its advancement along path P.
  • each receiving element 17a defines together with the corresponding retaining element 17b the relative peripheral operating unit 10.
  • path P comprises:
  • application stations K are defined by interaction of each labeling group 5, 6 with carousel 4 and path P.
  • labeling groups 5, 6 are identical to one another and each comprises:
  • labeling groups 5, 6 are identical to one another, only one of them, i.e. labeling group 5, is described in detail hereafter; it is clear that the same features described relative to labeling group 5 apply to the other labeling group 6.
  • drum 22 of labeling group 5 comprises a substantially toroidal body 23 externally delimited by an outer lateral surface 24, the latter retaining, in use and by suction, the labels 2 to be transferred.
  • Drum 22 is rotatably mounted on a stationary distribution member 29 of labeling group 5; distribution member 29 is of known type and is provided with air passages (not shown) and connected to a vacuum source (only schematically shown in Figure 1 ).
  • Outer lateral surface 24 has an approximately cylindrical configuration and is provided with a plurality of air ports 25, fluidly connected to the air passages of distribution member 29, configured to cooperate, in use, with labels 2.
  • outer lateral surface 24 comprises four first sections 24a equally spaced angularly from each other around axis C, and adapted to cooperate with respective labels 2 by means of suction through air ports 25.
  • each section 24a is delimited, at opposite angular ends, by a respective pair of pads 26, 27, i.e. by one leading pad 26 and one trailing pad 27, carried by drum 22.
  • each leading pad 26 is configured to cooperate, in use, with the leading edge of the respective label 2
  • each trailing pad 27 is configured to cooperate, in use, with the trailing edge of the respective label 2.
  • pads 26, 27 are provided with a plurality of air ports 25, fluidly communicating with the above-mentioned air passages of distribution member 29, and configured to retain labels 2 by means of suction.
  • pads 26, 27 define the zones of the periphery of drum 22 where the label transfers occur.
  • each leading pad 26 and the relative trailing pad 27 is, thus, substantially equal to the length of the label 2 to be processed.
  • Outer lateral surface 24 of drum 22 further comprises four second sections 24b which are equally spaced angularly from each other around axis C and are provided also with air ports 25.
  • Each section 24b extends between two pair of pads 26, 27, acting in use on distinct labels 2, and is in a downstream relationship with one relative section 24a with respect to the direction of rotation, in use, of drum 22 around axis C.
  • Each section 24b has a smaller angular extension around axis C than the one of the relative section 24a and is configured to start to attract the relative label 2 at the input station J of the above-mentioned path Q, so that such label 2 is then received on the upstream section 24a and on the relative pads 26, 27.
  • air ports 25 of leading pad 26 of each section 24a are fluidly connected with the vacuum source in correspondence with input station J, so as to apply a suction on the leading edge of the respective label 2.
  • each section 24a rotates about axis C from input station J to transfer station H, the respective air ports 25 of that specific section 24a, and of the relative trailing pad 27, become fluidly connected with the vacuum source, so as to progressively apply a suction on the remaining portion, and on the trailing edge, of the respective label 2.
  • each label 2 is advanced from input station J to transfer station H with its leading edge held on the relative leading pad 26 and its trailing edge held on the relative trailing pad 27.
  • air ports 25 eject an air jet on respective label 2 so as to ease the release of the label 2 itself.
  • air ports 25 are fluidly disconnected from air passages and, therefore, from the vacuum source, so they do not exert any attractive force on the relative label 2.
  • drum 22 is independently driven by a motor (not shown), such as a brushless motor or the like, or is driven by a motor (not shown) of labeling machine 1 through suitable gears or transmissions.
  • a motor not shown
  • a motor not shown
  • Body 23 of drum 22 presents a plurality of seats 30a, 30b ( Figures 4 and 7 ) arranged angularly in a peripheral portion thereof.
  • seats 30a, 30b present prismatic configurations, each delimited by two respective side walls 31a, 31b and a respective rear wall 32a, 32b, and each configured to house one respective pad 26, 27.
  • each pad 26, 27 has a prismatic configuration so as to fit inside the respective seat 30a, 30b and is preferably formed of polymeric material.
  • each trailing pad 27 is delimited by a flat rear surface 28b which faces rear wall 32b of the corresponding seat 30b, and is further delimited by two flat lateral surfaces 34b which respectively face side walls 31b of the corresponding seat 30b. Trailing pad 27 is also delimited by a front face 35b opposite to rear surface 28b, which is substantially parallel to outer lateral surface 24 and is configured to cooperate with the trailing edge of the respective label 2, in the manner described above.
  • each trailing pad 27 is mounted inside the respective seat 30b by means of elastic connecting means 36, configured to allow a small displacement of the trailing pad 27 itself, in a direction transversal to axis C.
  • elastic means 36 act as dampers, as each trailing pad 27 can oscillate about its idle position, in a direction substantially radial with respect to axis C.
  • Each leading pad 26 is housed into one respective seat 30a of body 23 and comprises a front portion 38, designed to cooperate in use with the leading edge of a respective label 2, and a rear portion 39.
  • each leading pad 26 is movable between two positions:
  • each leading pad 26 between the above-described operative and idle positions is automatized by means of an interaction between a respective cam follower 42a, carried by rear portion 39 of the leading pad 26 itself, and a horizontal cam 40 fixed in correspondence with a central position inside the toroidal body 23 of drum 22.
  • cam 40 is mounted on distribution member 29 coaxially to axis C, and is stationary with respect to drum 22, while the latter rotates about the axis C itself.
  • cam 40 presents a substantially lobed circular profile, with a single lobe 50 protruding with respect to the circular profile and facing the corresponding application station K.
  • each leading pad 26 cooperates with cam 40 by means of the relative cam follower 42a, the latter being configured to roll onto the lateral surface of cam 40 so as to follow the lobed profile thereof.
  • each cam follower 42a is rotatably mounted on a respective pivot 41, which is carried by rear portion 39 of the respective leading pad 26.
  • Front portion 38 presents a configuration similar to that of each trailing pad 27: front portion 38 is delimited by a flat rear surface 28a, which faces rear wall 32a of the corresponding seat 30a, and is further delimited by two flat lateral surfaces 34a, which respectively face side walls 31a of the corresponding seat 30a. Front portion 38 of each leading pad 26 is also delimited by a front face 35a opposite to rear surface 28a, which is substantially parallel to outer lateral surface 24 and is configured to cooperate, in use, with the leading edge of the respective label 2.
  • Front portion 38 and rear portion 39 of each leading pad 26 are connected by two or more linking rods 43 ( Figures 5 and 6 ).
  • each linking rod 43 engages a respective through hole 33 formed on rear wall 32a of the respective seat 30a and passing through a relative inwardly protruding radial portion 37 of body 23.
  • each linking rod 43 carries an elastically deformable device 49, preferably a spring, configured to apply a restoring force on the respective cam follower 42a carried by pivot 41 of rear portion 39 of the respective leading pad 26.
  • front face 35a of each leading pad 26 protrudes from outer lateral surface 24, in correspondence with transfer station H, by a prefixed distance ranging between 8 and 12 mm, and preferably set at 10 mm.
  • front face 35a of each leading pad 26 presents a beveling 45 formed on a trailing edge 46 thereof and configured to engage the leading edge of the respective label 2 in order to avoid a stretching of the same when the relative leading pad 26 is in the operative position.
  • front face 35a In the idle position, front face 35a is substantially aligned with outer lateral surface 24.
  • each drum 22 is positioned with respect to carousel 4 so that a given gap is defined between the peripheries thereof.
  • outer lateral surface 24 of the drum 22 presents a gap with respect to the lateral surface of the respective article 3 to be labeled, in correspondence with the relative application station K, so as to maintain a substantial tangency between front face 35a of the respective leading pad 26 in the operative position and the lateral surface of the respective article 3 to be labeled, i.e. substantial tangency between path Q and path P.
  • the above-mentioned gap is substantially equal to the linear distance between front face 35a of the respective leading pad 26 and outer lateral surface 24, when such leading pad 26 is in the operative position.
  • labeling group 5 further comprises a horizontal recovery cam 44 mounted onto cam 40 coaxially to axis C and configured to cooperate with a cam follower 42b rotatably mounted on pivot 41 of rear portion 39 of the respective leading pad 26, in case the latter is blocked in the operative position, thus forcing it back to the idle position.
  • a horizontal recovery cam 44 mounted onto cam 40 coaxially to axis C and configured to cooperate with a cam follower 42b rotatably mounted on pivot 41 of rear portion 39 of the respective leading pad 26, in case the latter is blocked in the operative position, thus forcing it back to the idle position.
  • Recovery cam 44 is therefore stationary with respect to drum 22, while the latter rotates about axis C.
  • recovery cam 44 comprises an annular sector 52 mounted coaxially onto cam 40 by means of a plurality of uprights 51.
  • annular sector 52 presents, in correspondence with its outer periphery, a protruding edge 53 which protrudes towards cam 40, and is configured to cooperate in rolling manner with cam follower 42b.
  • labelling machine 1 The operation of labelling machine 1 is described hereafter, with reference to one single article 3 advanced by carousel 4, and one single label 2 to be applied on such article 3 by labeling group 5.
  • the label 2 Prior to reaching application station K, the label 2 is retained on the respective section 24a of drum 22, by means of suction through air ports 25, and has its trailing edge and leading edge respectively superimposed onto trailing pad 27 and leading pad 26.
  • leading pad 26 is in idle position and has its front face 35a substantially aligned with outer lateral surface 24 of the respective drum 22.
  • leading pad 26 starts to protrude from the respective outer lateral surface 24, thanks to the interaction of cam follower 42a with the respective cam 40.
  • leading pad 26 reaches the operative position at transfer station H of the respective path Q, where its front face 35a is at maximum linear distance from outer lateral surface 24.
  • leading pad 26 contacts the lateral surface of the article 3 in correspondence with the application station K; the relative label 2 is thus unwound from the drum 22 and applied completely on the article 3, as the relative trailing pad 27 transfers the trailing edge of the label 2 onto the article 3 itself.
  • leading pad 26 starts to retract due to the particular profile of cam 40, until it reaches again the idle position, in which the initial condition of the drum 22 is re-established.
  • drum 22 of labeling group 5 is repeated for drum 22 of labeling group 6 relative to the article 3 following the article 3 already labeled by labeling group 5.
  • every pair of adjacent articles 3 conveyed by carousel 4 is labeled alternatively by labeling group 5 and 6 in a cyclic manner.
  • labeling machine 1 is configured to apply labels 2 onto articles 3, in the present case bottles, presenting respective axes B and having a non-circular cross-sections.
  • Figure 8 shows articles 3 with a substantially squared cross-section, presenting four rounded vertices 48.
  • the contact point between front face 35a of the respective leading pad 26 and the relative article 3 during the application of the relative label 2 is arranged in correspondence with one pre-established vertex 48 among the above-mentioned rounded vertices 48.
  • each leading pad 26 of the respective drum 22 at transfer station H during its movement from the idle position to the operative position, along with the gap between outer lateral surface 24 and the lateral surface of the respective article 3 to be labeled, cause the relative label 2 to change its inclination angle with respect to axis C, when being applied on the respective article 3 to be labeled.
  • the relative label 2 applied by the respective drum 22 does not interfere with the following article 3 to be labeled by the other drum 22, avoiding a contamination thereof with glue, or label 2 not being applied properly, and therefore avoiding a loss of articles 3 and labels 2.
  • labeling machine 1 may also comprise one single labeling group.
  • cam 40 and cam follower 42a may be replaced by other types of actuators, such as linear motors, servomotors, etc.

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  • Labeling Devices (AREA)
EP17306093.0A 2017-08-24 2017-08-24 Machine d'étiquetage avec tambour de transfert d'étiquettes amélioré Pending EP3446993A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17306093.0A EP3446993A1 (fr) 2017-08-24 2017-08-24 Machine d'étiquetage avec tambour de transfert d'étiquettes amélioré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17306093.0A EP3446993A1 (fr) 2017-08-24 2017-08-24 Machine d'étiquetage avec tambour de transfert d'étiquettes amélioré

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EP3446993A1 true EP3446993A1 (fr) 2019-02-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110227935A (zh) * 2019-06-04 2019-09-13 珠海市赛科自动化有限公司 一种放电管装配保护片生产线
IT202000000400A1 (it) * 2020-01-13 2021-07-13 Pe Labellers Spa Macchina etichettatrice
WO2022069415A1 (fr) * 2020-09-29 2022-04-07 P.E. Labellers S.P.A. Étiqueteuse de contenants
WO2023083638A1 (fr) * 2021-11-15 2023-05-19 Sidel Participations Module d'étiquetage destiné à l'application d'étiquettes sur des récipients conçus pour contenir un produit pouvant être versé

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632721A (en) * 1985-10-07 1986-12-30 Kris-Tech Corporation Apparatus for applying labels to containers
DE9016591U1 (fr) * 1990-12-06 1991-02-21 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling, De
RU2225814C2 (ru) * 1999-10-21 2004-03-20 Герро Пласт Гмбх Способ и устройство для подачи и прикрепления этикеток к контейнерам и контейнер с прикрепленной к нему данным способом этикеткой
CN106742473A (zh) * 2016-12-25 2017-05-31 广州市万世德智能装备科技有限公司 一种高速热熔胶贴标机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632721A (en) * 1985-10-07 1986-12-30 Kris-Tech Corporation Apparatus for applying labels to containers
DE9016591U1 (fr) * 1990-12-06 1991-02-21 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling, De
RU2225814C2 (ru) * 1999-10-21 2004-03-20 Герро Пласт Гмбх Способ и устройство для подачи и прикрепления этикеток к контейнерам и контейнер с прикрепленной к нему данным способом этикеткой
CN106742473A (zh) * 2016-12-25 2017-05-31 广州市万世德智能装备科技有限公司 一种高速热熔胶贴标机

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110227935A (zh) * 2019-06-04 2019-09-13 珠海市赛科自动化有限公司 一种放电管装配保护片生产线
CN110227935B (zh) * 2019-06-04 2024-05-07 珠海市赛科自动化有限公司 一种放电管装配保护片生产线
IT202000000400A1 (it) * 2020-01-13 2021-07-13 Pe Labellers Spa Macchina etichettatrice
WO2021144137A1 (fr) * 2020-01-13 2021-07-22 P.E. Labellers S.P.A. Machine d'étiquetage
CN114929582A (zh) * 2020-01-13 2022-08-19 Pe贴标机股份公司 贴标签机
AU2020423043B2 (en) * 2020-01-13 2023-11-30 P.E. Labellers S.P.A. Labeling machine
WO2022069415A1 (fr) * 2020-09-29 2022-04-07 P.E. Labellers S.P.A. Étiqueteuse de contenants
WO2023083638A1 (fr) * 2021-11-15 2023-05-19 Sidel Participations Module d'étiquetage destiné à l'application d'étiquettes sur des récipients conçus pour contenir un produit pouvant être versé

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