EP1138215B1 - Tambour séparateur pour écarter axialement deux portions coaxiales de cigarette sur une machine d'assemblage de filtre - Google Patents

Tambour séparateur pour écarter axialement deux portions coaxiales de cigarette sur une machine d'assemblage de filtre Download PDF

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Publication number
EP1138215B1
EP1138215B1 EP20010107290 EP01107290A EP1138215B1 EP 1138215 B1 EP1138215 B1 EP 1138215B1 EP 20010107290 EP20010107290 EP 20010107290 EP 01107290 A EP01107290 A EP 01107290A EP 1138215 B1 EP1138215 B1 EP 1138215B1
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EP
European Patent Office
Prior art keywords
axis
drum
cigarette
cam
parting
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Expired - Lifetime
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EP20010107290
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German (de)
English (en)
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EP1138215A1 (fr
Inventor
Giuseppe Crosara
Fulvio Boldrini
Salvatore Rizzoli
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GD SpA
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GD SpA
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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/478—Transport means for filter- or cigarette-rods in view of their assembling

Definitions

  • the present invention relates to a parting drum for axially spacing two coaxial cigarette portions on a filter assembly machine, according to the preamble of claim 1.
  • a parting drum of this kind is already disclosed in DE-A-2 809 619.
  • pairs of cigarette portions are fed successively to a parting drum at a pickup station.
  • the pairs of cigarette portions - each comprising two coaxial cigarette portions normally contacting each other end to end - are fed successively on the parting drum to a release station, and, as they travel between the pickup and release stations, the cigarette portions in each pair are spaced a given distance apart to permit insertion of a double filter between the two cigarette portions.
  • each group defined by two coaxial cigarette portions and by a respective double filter is formed into a double cigarette by rolling a band about the double filter and part of the two respective cigarette portions, and each double cigarette so formed is cut in half to form two coaxial, oppositely-oriented filter-tipped cigarettes.
  • One known type of parting drum comprises a rotary conveyor having at least one pair of slides, each having at least one groove or seat coaxial with a corresponding seat on the other slide.
  • Each of the two seats receives a respective cigarette portion, and the respective slides are mounted to move axially in opposite directions along the rotary conveyor under the control of a cam drum, on which are formed cylindrical cams, each engaged by a tappet roller connected to a respective slide.
  • the above known parting drum fails to provide for adjusting the distance by which the two cigarette portions are spaced, i.e. for varying the size of the filter-tipped cigarettes being produced, which can therefore only be done by changing the cam drum, in itself a painstaking job.
  • a parting drum for axially spacing two coaxial cigarette portions on a filter assembly machine, the parting drum comprising a rotary conveyor rotating about a first axis; at least one pair of cigarette portion holder elements, each for receiving at least one respective said cigarette portion, said cigarette portion holder elements being carried by said rotary conveyor coaxially with each other along a second axis parallel to said first axis, and being movable, with said rotary conveyor, with a given first law of motion and about said first axis, through a pickup station where the respective said cigarette portions are picked up, and through a release station where the cigarette portions are released; and actuating means for imparting to said cigarette portion holder elements a relative movement, with respect to each other, along said second axis and with a given second law of motion; and being characterized by comprising adjusting means for adjusting the timing of said second law of motion with respect to said first law of motion about said first axis.
  • Number 1 in Figure 1 indicates as a whole a filter assembly machine, which comprises a parting drum 2 for receiving, at a pickup station 3, a succession of pairs 4 of cigarette portions 5 - each pair 4 comprising two coaxial cigarette portions, hereinafter indicated 5a and 5b, contacting each other end to end at ends 6, hereinafter indicated 6a and 6b - and for axially spacing cigarette portions 5a and 5b in each pair 4 so as to release them, at a release station 7, with ends 6a and 6b spaced a given distance D apart.
  • the example shown relates to a particular drum 2 for receiving pairs 4 of cigarette portions 5 in twos.
  • drum 2 is designed to simultaneously retain a number of pairs of pairs 4 of cigarette portions 5, reference will be made in the following description to one pair of pairs 4 of cigarette portions 5 for the sake of simplicity.
  • Drum 2 comprises a rotary conveyor 8 rotating about an axis 9 and supporting, along its periphery, a pair of slides 10, which are located on opposite sides of a plane of symmetry 11, perpendicular to axis 9, of conveyor 8, and are aligned along an axis 12 parallel to axis 9 and movable, with conveyor 8 and with a first law of motion, along an annular path extending through pickup station 3 and release station 7.
  • first law of motion is intended to mean not only the way in which the angular speed - in the example shown, the constant angular speed - of conveyor 8 varies with time, but also the timing by which a given point of conveyor 8 - in the example shown, axis 12 - travels through pickup station 3 and release station 7.
  • Each slide 10 comprises two longitudinal seats 13, each of which is parallel to respective axis 12, receives and retains a respective cigarette portion 5, in known manner by suction, between pickup station 3 and release station 7, and is aligned axially with a corresponding seat 13 on the other slide 10.
  • Conveyor 8 comprises two collars 14 coaxial with axis 9 and angularly integral with each other by means of a known connecting device not shown.
  • Each collar 14 is fitted through with two axially-sliding guide rods 15, which, together with slides 10, form part of conveyor 8 and extend parallel to axis 12.
  • Rods 15 in each pair are coaxial with respective rods 15 in the other pair, are located on opposite sides of and symmetrically with respect to axis 12, and integrally support a respective slide 10.
  • Actuating device 16 forms part of drum 2, and comprises a tubular cam drum 17 coaxial with and supporting conveyor 8, and maintained, in use, in an angularly fixed position.
  • second law of motion is intended to mean not only the way in which the speed of slides 10 along axis 12 varies with time, but also the timing of the slides with respect to said first law of motion, i.e. the position assumed instant by instant by slides 10 along axis 12 as slides 10 travel about axis 9 between pickup station 3 and release station 7.
  • the second law of motion is defined by two annular grooves, which are formed on the outer surface of cam drum 17, extend about axis 9, and define respective cams 18 located specularly with respect to the plane of symmetry 11, and each associated with a respective slide 10.
  • Each cam 18 is associated with respective slide 10 by means of a respective tappet roller 19, which forms part of actuating device 16 and is connected to a respective U fastener 20 integral with the respective pair of rods 15.
  • Each cam 18 is sinusoidal, and comprises - with reference to the plane of symmetry 11 and in the rotation direction of rotary conveyor 8 indicated by arrow 21 - a diverging portion 22 and a converging portion 23.
  • Diverging portion 22 extends between a point at a minimum distance and a point at a maximum distance from plane 11, and is subtended by a center angle substantially equal to that between pickup station 3 and release station 7.
  • only one of slides 10 is movable along axis 12 and associated with a cam 18, the other slide 10 being fixed.
  • Parting drum 2 also comprises a known fixed cylindrical distributor 24 coaxial with and housed inside cam drum 17.
  • Distributor 24 cooperates with cam drum 17 via two through slots 25 formed through cam drum 17 along portions 22 of respective cams 18 and along respective arcs, each of which extends about axis 9 and through pickup station 3 and release station 7.
  • Slots 25 are located specularly with respect to plane of symmetry 11, and each extend parallel to the cam 18 on the same side of plane of symmetry 11.
  • Each slot 25 comprises two portions 26 and 27; portion 26 extends through pickup station 3 and defines the end branch of a suction circuit extending through distributor 24; portion 27 extends through release station 7 and defines the end branch of an exhaust connected to the atmosphere; and each portion 26 is separated from the respective portion 27 by a known movable fluidtight partition 28.
  • Each slide 10 comprises holes 29 formed at each seat 13; and holes 30, which communicate in known manner (not shown) with holes 29, and, as slide 10 moves, continue communicating with respective slot 25, where this is present.
  • each seat 13 is therefore connected to respective slot 25, so as to receive and retain respective cigarette portion 5 by suction along portion 26, and release the cigarette portion along portion 27 of slot 25.
  • the angular position of cam drum 17 with respect to pickup and release stations 3 and 7, and therefore the timing of said second law of motion with respect to said first law of motion can be adjusted by means of an adjusting device 31, which comprises a rack-and-pinion coupling 32 defined by a pinion 33 fitted to an end portion of distributor 24 and rotating about a fixed axis 34 perpendicular to axis 9, and by a rack 35 formed on one end of cam drum 17.
  • Pinion 33 has a central lock screw 36 for angularly locking cam drum 17 in the set position.
  • respective tappet rollers 19 engaging cams 18 move slides 10 along axis 12 so as to separate each end 6a from respective end 6b by a distance eventually equal to a value D at release station 7.
  • adjusting device 31 provides for setting diverging portions 22 of the two cams 18 to any position ranging between two limit positions shown in the top and bottom halves of Figure 1 and corresponding to two limit values D1 and D2 of distance D. More specifically, as shown in Figure 2 and in the top half of Figure 1, the maximum value D1 of distance D is achieved by positioning the start and end of portions 22 of cams 18 at pickup station 3 and release station 7 respectively.
  • portions 22 of cams 18 are offset with respect to the arc extending between pickup and release stations 3 and 7, so that pickup station 3 is located at an intermediate point of portions 22 of cams 18, and the final distance D2 between ends 6a and 6b at release station 7 is smaller than distance D1, due to tappet rollers 19 traveling not only along a shorter portion of portions 22 of respective cams 18, but also along an initial portion of respective portions 23.
  • distance D is adjusted between D1 and D2 with pickup and release stations 3 and 7 located close to the respective ends of portions 22 of cams 18, i.e. in positions in which the speeds of slides 10 in the direction of axis 12 are close to zero.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Specific Conveyance Elements (AREA)

Claims (7)

  1. Tambour séparateur destiné à espacer axialement deux parties coaxiales de cigarette sur une machine d'assemblage de filtres, le tambour séparateur (2) comprenant un convoyeur tournant (8), lequel tourne autour d'un premier axe (9) ; au moins deux éléments (10) de maintien de parties de cigarettes, chacun étant destiné à recevoir au moins unedite partie respective (5) de cigarette, lesdits éléments (10) de maintien de parties de cigarettes étant supportés par ledit convoyeur tournant (8), coaxialement l'un à l'autre, le long d'un second axe (12) parallèle audit premier axe (9), et étant mobiles, conjointement avec ledit convoyeur tournant (8), selon une première loi de mouvement donnée et autour dudit premier axe (9), à travers un poste (3) de saisie où lesdites parties respectives (5) de cigarettes sont saisies, et à travers un poste (7) de libération où les parties (5) de cigarettes sont libérées ; et un moyen (16) d'actionnement servant à communiquer un mouvement relatif auxdits éléments (10) de maintien de parties de cigarettes, les uns par rapport aux autres, le long dudit second axe (12), et selon une seconde loi de mouvement donnée ; et caractérisé en ce qu'il comprend un moyen (31) de réglage servant à régler le cadencement de ladite seconde loi de mouvement par rapport à ladite première loi de mouvement autour dudit premier axe (9).
  2. Tambour séparateur selon la revendication 1, caractérisé en ce que ledit moyen (16) d'actionnement comprend un moyen (17) formant came s'étendant autour dudit premier axe (9) et étant relié à au moins undit élément (10) de maintien de parties de cigarettes ; ledit moyen (31) de réglage étant associé audit moyen (17) formant came pour régler la position angulaire du moyen formant came autour du premier axe (9).
  3. Tambour séparateur selon la revendication 1 ou 2, caractérisé en ce que ledit moyen (16) d'actionnement comprend un tambour came (17) coaxial audit premier axe (9) et comportant au moins une came annulaire (18) formée sur ledit tambour came (17) et s'étendant autour du premier axe (9), et un mentonnet de came (19) relié à ladite came annulaire (18) et supporté par ledit élément (10) de maintien de partie respective de cigarette ; ledit moyen (31) de réglage étant un moyen destiné à régler une position angulaire dudit tambour came (17) autour dudit premier axe (9) et par rapport audit poste (3) de saisie et audit poste (7) de libération.
  4. Tambour séparateur selon la revendication 3, caractérisé en ce que ledit moyen (31) de réglage comprend un moyen (36) de verrouillage libérable destiné à verrouiller sélectivement ladite came cylindrique (17) dans unedite position angulaire quelconque.
  5. Tambour séparateur selon la revendication 3 ou 4, caractérisé en ce que ladite came annulaire (18) comprend une partie divergente (22) et une partie convergente (23) divergeant et convergeant respectivement par rapport à un plan (11) de référence perpendiculaire audit premier axe (9) ; ledit moyen (31) de réglage réglant une position dudit poste (3) de saisie le long de ladite partie divergente (22).
  6. Tambour séparateur selon la revendication 5, caractérisé en ce que ladite partie divergente (22) s'étend entre un point situé à une distance minimale et un point situé à une distance maximale dudit plan (11) de référence, et est sous-tendue par un angle central, le sommet se trouvant au niveau dudit premier axe (9), sensiblement égal à un angle central dont le sommet se trouve au niveau dudit premier axe (9) et s'étendant entre ledit poste (3) de saisie et ledit poste (7) de libération.
  7. Tambour séparateur selon la revendication 6, caractérisé en ce que ledit moyen (31) de réglage règle la position dudit poste (3) de saisie entre ledit point situé à une distance minimale et un point intermédiaire de ladite partie divergente (22).
EP20010107290 2000-03-31 2001-03-23 Tambour séparateur pour écarter axialement deux portions coaxiales de cigarette sur une machine d'assemblage de filtre Expired - Lifetime EP1138215B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO000180 2000-03-31
ITBO20000180 IT1320967B1 (it) 2000-03-31 2000-03-31 Tamburo separatore per distanziare assialmente due spezzoni disigaretta fra loro coassiali in un macchina mettifiltro.

Publications (2)

Publication Number Publication Date
EP1138215A1 EP1138215A1 (fr) 2001-10-04
EP1138215B1 true EP1138215B1 (fr) 2004-07-07

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EP20010107290 Expired - Lifetime EP1138215B1 (fr) 2000-03-31 2001-03-23 Tambour séparateur pour écarter axialement deux portions coaxiales de cigarette sur une machine d'assemblage de filtre

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Country Link
EP (1) EP1138215B1 (fr)
CN (1) CN1180733C (fr)
DE (1) DE60104159T2 (fr)
IT (1) IT1320967B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102440431A (zh) * 2011-09-16 2012-05-09 江苏智思机械集团有限公司 滚筒式梗拐筛分剔除机
CN102586082A (zh) * 2012-02-29 2012-07-18 杭州盈天科学仪器有限公司 微生物检测用的过滤头装置
EP3702291B1 (fr) 2019-03-01 2021-11-17 G.D Societa' Per Azioni Tambour de transfert pour transférer des objets le long d'un trajet circulaire et procédé de réglage pour mettre en oeuvre un changement de format du tambour de transfert

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156303A1 (de) * 2001-11-19 2003-06-26 Focke & Co Verfahren und Vorrichtung zum Herstellen von Filterzigaretten
DE10156296A1 (de) * 2001-11-19 2003-05-28 Focke & Co Vorrichtung zum Herstellen von Filterzigaretten
DE50205930D1 (de) * 2002-12-05 2006-04-27 Hauni Maschinenbau Ag Multifunktionsfördertrommel
EP1447016A1 (fr) * 2003-02-17 2004-08-18 Hauni Maschinenbau AG Tambour d'acheminage multifunctions
DE50301851D1 (de) * 2003-02-28 2006-01-12 Hauni Maschinenbau Ag Multifunktionsfördertrommel
ITBO20030683A1 (it) 2003-11-17 2005-05-18 Gd Spa Tamburo centratore per macchine mettifiltro
DE102007024271B4 (de) * 2007-05-23 2009-02-12 Hauni Maschinenbau Aktiengesellschaft Fördertrommel
ES2599073T3 (es) 2011-07-04 2017-01-31 Repsol, S.A. Método continuo para la síntesis de polioles
CN103181616B (zh) * 2013-01-15 2015-11-11 上海同季机电设备有限公司 无凸轮型分离装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655790A1 (de) * 1976-12-09 1978-06-15 Hauni Werke Koerber & Co Kg Vorrichtung zum axialen auseinanderziehen stabfoermiger artikel der tabakverarbeitenden industrie
DE2809619C2 (de) * 1978-03-06 1986-05-28 Maschinenfabrik Alfred Schmermund Gmbh & Co, 5820 Gevelsberg Vorrichtung zum Bilden von Doppelfilterzigarettengruppen
IT1171437B (it) * 1981-08-07 1987-06-10 Gd Spa Dispositivo distanziatore per coppie di spezzoni di sigaretta in una macchina metifiltro
IT1253916B (it) * 1991-12-17 1995-08-31 Gd Spa Dispositivo formatore di sigarette doppie con filtro in una macchina mettifiltro

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102440431A (zh) * 2011-09-16 2012-05-09 江苏智思机械集团有限公司 滚筒式梗拐筛分剔除机
CN102440431B (zh) * 2011-09-16 2013-12-25 江苏智思机械集团有限公司 滚筒式梗拐筛分剔除机
CN102586082A (zh) * 2012-02-29 2012-07-18 杭州盈天科学仪器有限公司 微生物检测用的过滤头装置
EP3702291B1 (fr) 2019-03-01 2021-11-17 G.D Societa' Per Azioni Tambour de transfert pour transférer des objets le long d'un trajet circulaire et procédé de réglage pour mettre en oeuvre un changement de format du tambour de transfert

Also Published As

Publication number Publication date
ITBO20000180A1 (it) 2001-10-01
CN1180733C (zh) 2004-12-22
DE60104159T2 (de) 2004-11-25
CN1317276A (zh) 2001-10-17
EP1138215A1 (fr) 2001-10-04
DE60104159D1 (de) 2004-08-12
IT1320967B1 (it) 2003-12-18

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