EP1780127B1 - Roue empaqueteuse - Google Patents

Roue empaqueteuse Download PDF

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Publication number
EP1780127B1
EP1780127B1 EP20060123055 EP06123055A EP1780127B1 EP 1780127 B1 EP1780127 B1 EP 1780127B1 EP 20060123055 EP20060123055 EP 20060123055 EP 06123055 A EP06123055 A EP 06123055A EP 1780127 B1 EP1780127 B1 EP 1780127B1
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EP
European Patent Office
Prior art keywords
packing
central axis
wheel
loading
sector
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Ceased
Application number
EP20060123055
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German (de)
English (en)
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EP1780127A1 (fr
Inventor
Andrea Biondi
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GD SpA
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GD SpA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/223—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/28—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets
    • B65B11/30—Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a curved path, e.g. on rotary tables or turrets to fold the wrappers in tubular form about contents

Definitions

  • the present invention relates to a packing wheel for conveying products for packing along an endless packing path, according to the preamble of claim 1.
  • the packing wheel according to the present invention is particularly advantageous for use in the tobacco industry for conveying groups of cigarettes or packets of cigarettes on a cigarette packing machine, to which the following description refers purely by way of example.
  • Cigarette packing machines are known to employ wheels, each comprising a respective number of peripheral pockets for housing respective products defined by packets of cigarettes or groups of cigarettes for packing.
  • a packing wheel of this sort is normally rotated in steps or continuously about a respective central axis to feed the pockets through a loading station, one or more packing stations, and an unloading station, at each of which, each pocket is normally stopped or advanced with a predetermined law of motion, e.g. at a given constant speed, for a given length of time to allow given product handling operations to be performed.
  • Stopping a step-rotated packing wheel poses no problem, the only real operating drawback being the length of the stops, which depends on the time taken to perform the longest operation.
  • each pocket is normally stopped or advanced with a given law of motion at each station by mounting each pocket on the packing wheel, so that it rotates, with respect to the packing wheel and under the control of a cam device, about a peripheral axis parallel to the central axis of rotation of the packing wheel.
  • each pocket is first rotated about the peripheral axis of rotation in the same rotation direction as the packing wheel, and then in the opposite rotation direction to the packing wheel, so as to produce a temporary stoppage or, more generally speaking, a temporary variation in the travelling speed of the pocket.
  • US4962634A1 discloses a packing wheel according to the preamble of claim 1, and a machine for packing cigarettes in hard flip-top packs, whereby flat hard pack blanks and preformed groups of unpacked cigarettes are fed, the former on a continuous feed line and the latter on an intermittent feed line, to a first and second station respectively, for loading a continuously rotating packing wheel; and whereby the packs formed on the packing wheel are unloaded off the same at an unloading station via an intermittent unloading line.
  • the packing wheel presenting a number of seats, each designed to receive a blank and a respective preformed group, and each being connected to a rotary drum on the packing wheel via a respective articulated support, the configuration of which is controlled by fixed cams in such a manner as to feed the respective seat at constant speed through the first loading station, and to temporarily stop the respective seat at both the second loading station and the unloading station.
  • Number 1 in the attached drawings indicates as a whole a packing wheel for conveying products, defined by groups 2 of cigarettes, and sheets S of packing material along an endless packing path P.
  • Packing path P extends through a loading station 3, where groups 2 of cigarettes and sheets S of packing material are loaded onto packing wheel 1; an unloading station 4, where groups 2 of cigarettes wrapped or partly wrapped in sheets S of packing material are unloaded off packing wheel 1; and at least one packing station 5 located between loading station 3 and unloading station 4 in a travelling direction 6 of groups 2 along packing path P, and where each sheet S of packing material is folded about a respective group 2 of cigarettes by known packing devices not shown.
  • loading station 3 for loading groups 2 of cigarettes coincides with the loading station of sheets S of packing material.
  • loading station 3 is separate from, and may be located up- or downstream from, the loading station of sheets S of packing material.
  • packing wheel 1 comprises a supporting plate or frame 7 connected to a fixed tubular column 8 coaxial with a central axis 9 and supporting for rotation, with the interposition of a bearing, an annular toothed packing wheel 10 coaxial with central axis 9 and meshing with a powered pinion 11 mounted for rotation through frame 7 and parallel to central axis 9.
  • Packing wheel 1 also comprises a tubular main shaft 12, which is coaxial with central axis 9, is connected integrally at one end to toothed packing wheel 10, houses an initial portion of column 8, and is supported for rotation by column 8.
  • main shaft 12 is fitted integrally with a box-shaped annular platform 13 coaxial with central axis 9 and comprising a cylindrical lateral wall 14 coaxial with central axis 9; a flat annular inner wall 15 perpendicular to central axis 9, facing frame 7, and connected integrally to main shaft 12; and a flat annular outer wall 16, which is perpendicular to central axis 9, is connected integrally to main shaft 12 by lateral wall 14 and inner wall 15, and is fitted in rotary manner to the outer surface of an intermediate portion of column 8.
  • Outer wall 16, inner wall 15, lateral wall 14, and said intermediate portion of column 8, define an annular chamber 17 coaxial with central axis 9.
  • Column 8 comprises an end portion 18 projecting from platform 13 and idly supporting, with respective pairs of bearings, a number of independent radial sectors 19 arranged about central axis 9.
  • the Figure 2 embodiment employs four sectors 19 (though this number may differ), and each sector 19 comprises an inner sleeve 20 coaxial with central axis 9 and fitted idly to end portion 18 of column 8; and a plate 21 extending outwards from sleeve 20 in a substantially radial direction with respect to central axis 9.
  • Plates 21 face outer wall 16, lie in respective planes perpendicular to central axis 9 and at different distances from outer wall 16, and are fitted, at respective outer radial ends, with respective numbers of appendixes 22 parallel to central axis 9.
  • Appendixes 22 of all sectors 19 are all equidistant from central axis 9, and equidistant from frame 7 along central axis 9.
  • each sector 19 has three appendixes 22 (though this number may differ) equally spaced along sector 19 and about central axis 9; and each appendix 22 is fitted, on its surface facing radially outwards with respect to central axis 9, with a respective packing pocket 23 movable along endless packing path P and for housing a respective group 2 of cigarettes.
  • packing wheel 1 comprises a respective angular connecting device 24 for angularly connecting sector 19 to main shaft 12.
  • Each angular connecting device 24 comprises a pin 25 mounted for rotation through platform 13 and annular chamber 17, close to lateral wall 14, so as to oscillate, with respect to platform 13, about a respective axis 26 parallel to central axis 9.
  • Pins 25 of connecting devices 24 are equally spaced about central axis 9 along a circle 27, and each pin 25 is fitted with a respective carriage 28 housed inside annular chamber 17.
  • cam device 29 comprising two superimposed cams 30 and 31, which are integral with column 8, extend in respective planes perpendicular to central axis 9 inside annular chamber 17, and have respective active profiles 32 and 33 extending about central axis 9.
  • cam device 29 also comprises a cam follower device comprising a front cam follower roller 34 (with reference to travelling direction 6) connected to carriage 28 and rolling on active profile 32, and a rear cam follower roller 35 (with reference to travelling direction 6) connected to carriage 28 and rolling on active profile 33.
  • each angular connecting device 24 also comprises a respective articulated transmission 36 interposed between relative carriage 28 and relative sector 19, and which comprises a crank 37 integral with sector 19, extending radially outwards with respect to central axis 9, and rotating about central axis 9; a crank 38 integral with carriage 28, extending from carriage 28 towards column 8, and rotating about axis 26 of relative pin 25; and a connecting rod 39 interposed between the free ends of cranks 37 and 38.
  • articulated transmission 36 converts the oscillations about relative axis 26 imparted to relative carriage 28 by cams 30 and 31 - which, with known modifications, may be replaced with a single cam - into corresponding oscillations of relative sector 19.
  • the law of motion (constant angular speed) imparted to each pin 25 by main shaft 12 can therefore be adjusted to impart any desired law of motion to each sector 19, while still keeping relative packing pockets 23 positioned perfectly radially with respect to central axis 9.
  • Which law of motion may provide for arresting each sector 19 or advancing it at a different given constant angular speed from that of pins 25 at each of stations 3 to 5.
  • sectors 19 are angularly independent, and their laws of motion are related solely by the shape of active profiles 32 and 33, which may be designed to accelerate sectors 19 as they travel between stations, thus drastically reducing downtime when moving between adjacent stations, and to keep one or more sectors 19 moving when one or mote other sectors 19 are arrested, for example, at relative other stations.
  • each connecting device 24 connects a respective sector 19 angularly to main shaft 12 independently of the other sectors 19, to rotate sector 19, independently of the other sectors 19, about central axis 9. Consequently, each connecting device 24 defines an actuator connected mechanically to a respective sector 19, to rotate sector 19 about central axis 9 independently of the other sectors 19.
  • the laws of motion of sectors 19 are all the same, and are offset with respect to one another, on account of connecting devices 24 all operating with the same pair of cams 30 and 31.
  • An alternative embodiment, not shown, comprises a number of pairs of cams, so that each connecting device 24 operates with its own pair of cams, and sectors 19 may have different laws of motion.
  • main shaft 12 is fixed, and connecting devices 24 are replaced with electric motors, each for rotating one or more sectors 19.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)

Claims (10)

  1. Roue d'empaquetage destinée à transporter des produits (2) à empaqueter et des feuilles (S) de matériau d'empaquetage le long d'un chemin d'empaquetage sans fin (P) qui s'étend autour d'un axe central (9) de la roue d'empaquetage (1);laroue d'empaquetage (1)comprenant :
    Figure imgb0001
    un arbre principal (12) coaxial avec l'axe central (9) et qui tourne autour de l'axe central (9) ;
    Figure imgb0001
    un certain nombre de poches d'empaquetage (23) mobiles le long du chemin d'empaquetage (P) et destinées à recevoir les produits (2) à empaqueter et les feuilles (S) de matériau d'empaquetage ;
    Figure imgb0001
    une station de chargement (3) destinée à charger les produits (2) et dans laquelle les produits (2) sont fournis de manière successive dans les poches d'empaquetage (23) ;
    Figure imgb0001
    une station de chargement destinée à charger les feuilles (S) de matériau d'empaquetage et dans laquelle les feuilles (S) de matériau d'empaquetage sont fournies de manière successive dans les poches d'empaquetage (23) ;
    Figure imgb0001
    une station d'empaquetage (5) dans laquelle chaque feuille (S) de matériau d'empaquetage est pliée autour d'un produit respectif (2) ; et
    Figure imgb0001
    une station de déchargement (4) dans laquelle les produits (2), enveloppés au moins en partie dans les feuilles (S) de matériau d'empaquetage, sont retirés des poches d'empaquetage (23) ;
    la roue d'empaquetage (1) étant caractérisée par le fait qu'elle comprend :
    Figure imgb0001
    un certain nombre de secteurs (19) indépendants de manière angulaire les uns des autres, chacun d'eux étant raccordé au repos à l'arbre principal (12), sont montés de manière à tourner autour de l'axe central (9) et supportent un certain nombre de poches d'empaquetage (23) ; et
    Figure imgb0001
    un certain nombre de dispositifs de raccordement angulaire (24), chacun d'eux raccordant un secteur respectif (19) de manière angulaire à l'arbre principal (12) de manière à obtenir un mouvement à partir de l'arbre principal (12) et à faire tourner le secteur (19) autour de l'axe central (9) avec une loi de mouvement variable et de manière indépendante des autres secteurs (19), de telle sorte que les secteurs (19) puissent présenter en même temps des vitesses angulaires différentes.
  2. Roue d'empaquetage selon la revendication 1, dans laquelle chaque dispositif de raccordement angulaire (24) comprend un chariot (28) qui tourne autour d'un axe (26) de rotation, qui est parallèle à l'axe central (9) et qui est mobile avec l'arbre principal (12) autour de l'axe central (9) ; des moyens de came (29) destinés à commander la rotation du chariot (28) autour de l'axe (26) de rotation ; et une transmission articulée (36) interposée entre le chariot (28) et le secteur (19).
  3. Roue d'empaquetage selon la revendication 2, dans laquelle la transmission articulée (36) comprend une première manivelle (37) d'une pièce avec le secteur (19) et qui tourne autour de l'axe central (9) ; une seconde manivelle (38) d'une pièce avec le chariot (28) et qui tourne autour de l'axe (26) de rotation ; et une tige de raccordement (39)interposée entre les première et seconde manivelles (37,38).
  4. Roue d'empaquetage selon la revendication 2 ou la revendication 3, comprenant une plate-forme (13) d'une pièce avec l'arbre principal (12) ; et une broche (25) coaxiale avec l'axe (26) de rotation et qui raccorde le chariot (28) à la plate-forme (13).
  5. Roue d'empaquetage selon l'une quelconque des revendications 2, 3 ou 4, dans laquelle les moyens de came (29) comprennent au moins une came fixe (30 ; 31) qui présente un profil actif (32 ; 33) qui s'étend autour de l'axe central (9) ; et au moins un galet de came (34 ; 35) porté par le chariot (28) et mobile en contact avec le profil actif (32 ; 33).
  6. Roue d'empaquetage selon l'une quelconque des revendications 1 à 5, dans laquelle les axes (26) de rotation des secteurs (19) sont équidistants autour de l'axe central (9).
  7. Roue d'empaquetage selon l'une quelconque des revendications 1 à 6, dans laquelle la loi de mouvement de chaque secteur (19) est identique et décalée par rapport àla loi de mouvement des autres secteurs (19).
  8. Roue d'empaquetage selon l'une quelconque des revendications 1 à 6, dans laquelle la loi de mouvement d'au moins un secteur (19) diffère de la loi de mouvement des autres secteurs (19).
  9. Roue d'empaquetage selon l'une quelconque des revendications 1 à 8, dans laquelle la station de chargement (3) destinée à charger les produits (2) coïncide avec la station de chargement destinée à charger les feuilles (S) de matériau d'empaquetage.
  10. Roue d'empaquetage selon l'une quelconque des revendications 1 à 8, dans laquelle la station de chargement (3) destinée à charger les produits (2) est distincte de la station de chargement destinée à charger les feuilles (S) de matériau d'empaquetage.
EP20060123055 2005-10-28 2006-10-27 Roue empaqueteuse Ceased EP1780127B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO20050659 ITBO20050659A1 (it) 2005-10-28 2005-10-28 Ruota di incarto

Publications (2)

Publication Number Publication Date
EP1780127A1 EP1780127A1 (fr) 2007-05-02
EP1780127B1 true EP1780127B1 (fr) 2010-01-06

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EP20060123055 Ceased EP1780127B1 (fr) 2005-10-28 2006-10-27 Roue empaqueteuse

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EP (1) EP1780127B1 (fr)
DE (1) DE602006011555D1 (fr)
IT (1) ITBO20050659A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1394942B1 (it) 2009-04-17 2012-07-27 Gima Spa Sistema per il confezionamento di sigarette in fogli ripiegati dotato di motori di controllo elettronici
ITUB20154801A1 (it) 2015-10-16 2017-04-16 Gd Spa Macchina impacchettatrice e metodo di incarto per realizzare un pacchetto di articoli da fumo contenente due gruppi di articoli da fumo tra loro distinti.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739551A1 (de) * 1987-11-21 1989-06-01 Focke & Co Vorrichtung zum transport von zigaretten-packungen im zusammenhang mit einer verpackungsmaschine
IT1225350B (it) * 1988-11-30 1990-11-13 Gd Spa Macchina impacchettatrice di sigarette in pacchetti rigidi del tipo a coperchio incernierato
IT1257763B (it) * 1992-03-13 1996-02-13 Gd Spa Elemento a tasca per una ruota di incarto di una macchina impacchettatrice di sigarette

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EP1780127A1 (fr) 2007-05-02
DE602006011555D1 (de) 2010-02-25
ITBO20050659A1 (it) 2007-04-29

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