EP4079165A1 - Unité multi-tambours et procédé de traitement d'articles en forme de tige pour l'industrie du tabac - Google Patents

Unité multi-tambours et procédé de traitement d'articles en forme de tige pour l'industrie du tabac Download PDF

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Publication number
EP4079165A1
EP4079165A1 EP22169089.4A EP22169089A EP4079165A1 EP 4079165 A1 EP4079165 A1 EP 4079165A1 EP 22169089 A EP22169089 A EP 22169089A EP 4079165 A1 EP4079165 A1 EP 4079165A1
Authority
EP
European Patent Office
Prior art keywords
drum
cleaning
articles
unit
tangential
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
EP22169089.4A
Other languages
German (de)
English (en)
Inventor
Massimo Malavolta
Gabriele BENNI
Jacopo VALDIROSA
Marco BRUSCHI
Giuliano Gamberini
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.)
GD SpA
Original Assignee
GD SpA
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 GD SpA filed Critical GD SpA
Publication of EP4079165A1 publication Critical patent/EP4079165A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/322—Transporting cigarettes during manufacturing
    • A24C5/327—Construction details of the cigarette transport drum
    • 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 invention therefore has for an aim to provide a multi-drum unit and a method for processing rod-shaped articles for the tobacco industry to allow maintenance operations to be carried out quickly and, in particular, to reduce machine down time.
  • Another aim of the invention is to provide a multi-drum unit and a method for processing rod-shaped articles for the tobacco industry to allow cleaning to be carried out fully automatically in the event of clogging.
  • the multi-drum unit 1 may in any case form part of other machine portions capable of moving the segments or articles S transversely, for example, a filter tip attachment machine (in which a tobacco rod section is coupled to one or more filter rod sections).
  • a filter tip attachment machine in which a tobacco rod section is coupled to one or more filter rod sections.
  • the multi-drum unit 1 according to the invention may form part of a filter tip attachment machine in which multiple length tobacco rod sections are fed to the filter tip attachment machine by a transfer drum and are offset so that their axes are parallel to and spaced from each other. Next, the offset segments are realigned by moving them axially to define an ordered succession of single segments moved transversely one after the other.
  • At least one of the drums of the multi-drum unit 1 is configured to process the segments or articles S while they are being transferred transversely.
  • the term "to process” is used, in the context of this invention, to generically denote any operation performed on the articles or segments S, while they are on a drum and being advanced transversely, but other than merely transferring the segments or articles S from an infeed zone to an outfeed zone of the drum.
  • the operation may be offsetting, centring, cutting, splaying coaxial segments, rolling or others.
  • the second drum 3 is operatively located in such a way as to define a first tangential zone T1 with the first drum 2 and a second tangential zone T2 with the third drum 4, respectively, to receive the segments S from the first drum 2 and to release the articles S to the third drum 4.
  • the drums 2, 3, 4 are of known type in structure and function.
  • the unit 1 also comprises, in each of the aforesaid tangential zones T1, T2 (and, in particular, in a niche defined between the first and the second drum 2, 3 and in a niche defined between the second and the third drum 3, 4) at least one comb 5 configured to facilitate transferring the segments S from the first to the second drum 2, 3 and from the second to the third drum 3, 4.
  • the comb 5 might be present only in the first or the second tangential zone T1, T2.
  • the comb 5 is also of known type and comprises a succession of prongs of different lengths to define elements for guiding consecutive segments S, which have been obtained by cutting the same rod section, as they are transferred between two adjacent drums.
  • he combs 5 are operatively stationary.
  • the expression “operatively stationary” is used to mean that during normal operation of the unit 1, the comb 5 remains at a fixed position (located in the respective tangential zone T1, T2). This concept is explained in more detail below.
  • a first comb located between the first and the second drum 2, 3) is an accompanying comb, whose function is to release in succession the segments S obtained from the same rod section, while the second comb (located between the second and the third drum 3, 4) is a detaching comb, whose function is to lift the single segments S from the respective suction seats of the second drum 3 to make it easier for them to be transferred to the third drum 4.
  • the unit 1 also comprises cleaning means (not illustrated), in particular pneumatic blowers and/or brushes, positioned to act in at least one of said tangential zones T1, T2 when the second drum 3 is at the cleaning position.
  • cleaning means in particular pneumatic blowers and/or brushes, positioned to act in at least one of said tangential zones T1, T2 when the second drum 3 is at the cleaning position.
  • the pneumatic blowers may be positioned inside or outside the second drum 3.
  • the pneumatic blowers and, more in general, the cleaning means
  • a means for cleaning is embodied by the air system which, during normal use of the unit 1, is used to hold the articles S by suction in the seats of the second drum 3.
  • these are located outside the second drum 3 and may be integral with the second drum 3 or may operate on it only when it is at the cleaning position.
  • the unit 1 comprises, or is connected to, a control unit (not illustrated) configured to determine the presence of clogging or malfunction at the tangential zones T1, T2 as a function of at least one operating parameter measured.
  • a control unit (not illustrated) configured to determine the presence of clogging or malfunction at the tangential zones T1, T2 as a function of at least one operating parameter measured.
  • control unit is configured to automatically activate the cleaning means based on one or more operating parameters of the unit 1.
  • the movement of the second drum 3 between the operating position and the cleaning position is carried out by translation along a rectilinear direction of movement perpendicular to the axis of rotation of the drum 3.
  • the movement may be carried out by rotation about a centre of rotation or by rototransiation and/or along a curved direction or a direction of any shape but in any case preferably in a direction perpendicular to the axis of rotation of the drum 3.
  • the movement of the second drum 3 between the operating position and the cleaning position is carried out along a trajectory in a plane perpendicular to the axis of rotation of the drum 3.
  • the second drum 3 is mounted on a movable support 6 mounted on a fixed, vertical wall 7.
  • the movable support 6 is mounted slidably on the fixed, vertical wall 7 and is guided slidably by means of linear guides 8 defining the direction of sliding of the movable support 6, hence of the second drum 3 from the operating position to the cleaning position.
  • the second drum 3 is mounted rotatably on the movable support 6 by a bearing which causes it to rotate about an axis that is fixed relative to the movable support 6.
  • the movable support 6 is in the form of a plate, preferably square or rectangular.
  • Figures 4 and 5 are detail views showing the linear guides 8, which are preferably two in number, disposed on opposite sides of the movable support 6.
  • each linear guide 8 comprises a first portion 8a fixed to the vertical wall 7, hence fixed, and a second portion 8b fixed to the movable support 6 and slidably applied to the first portion 8a to define the aforementioned direction of sliding.
  • the linear guides 8 also define the means for supporting the movable support 6 to the vertical wall 7, which thus hangs from and is guided by the linear guides 8.
  • the first portion 8a of the linear guide 8 associated with the linear actuator 9 is provided with a T bracket 10 to the front of which the linear actuator 9 is fixed, preferably removably by threaded means, while the second portion 8b has an L-shaped protrusion 8c which extends transversely to the positioning plane of the movable support 6 and to which the movable stem of the linear actuator 9 is applied.
  • the second drum 3 may be driven by a kinematic train operating also on the first and/or the third drum 2, 4, automatically engaged and disengaged, (for example, a gear train) when the second drum 3 moves between the operating and cleaning positions.
  • the control unit (not illustrated) is also configured to automatically activate the movement of the second drum 3 between the operating position and the cleaning position based on one or more operating parameters of the unit 1.
  • one of the operating parameters usable by the control unit to automatically activate the movement of the second drum 3 and/or the cleaning means is the torque or power absorbed by the drive unit 11 of the second drum 3 (or by the kinematic chain responsible for driving the second drum 3).
  • the presence of clogging or malfunctions such as to require cleaning of the tangential zones T1, T2 may be determined by the control unit by performing optical inspections or quality checks on the articles made.
  • the drum 3 even when the drum 3 is in the cleaning position, it can be set in rotation (in the same or opposite direction), preferably automatically, by means of the aforementioned separate drive unit 11.
  • the unit 1 may comprise control means (for example, one or more photocells) associated with the second drum 3 and configured to check that cleaning has been carried out, hence to check that the suction seats of the second drum 3 are clean and free of residues.
  • control means for example, one or more photocells
  • the comb 5 (in particular, at least one comb 5, preferably each comb 5) is also movable between an operating position, stationary during normal operation of the unit 1, where the comb 5 is substantially disposed in the tangential zone T1, T2 ( Figure 1 ), and a cleaning position, where the comb 5 is spaced from the tangential zone T1, T2, in particular retracted therefrom, to clear the tangential zone T1, T2 to facilitate cleaning operations ( Figure 3 ).
  • the movement of the comb 5 is carried out before the cleaning operations are started.
  • one comb 5 is integral with the second drum 3, while the other comb 5 is integral with the machine.
  • the comb 5 also moves between the two positions together with the second drum 3.
  • the at least one comb 5 is mounted on the movable support 6, while the other comb 5 is mounted on the fixed wall 7.
  • the combs 5 are at stationary positions (that is to say, they are fixed relative to the drums 2, 3, 4 which rotate about respective axes of rotation).
  • the fact that a comb 5 is integral with the second drum 3 means that the comb 5 is movable together with the second drum 3 between the operating position and the cleaning position.
  • both of the combs 5 are integral with the second drum 3. In other words, when the second drum 3 is moved from the operating to the cleaning position, and vice versa, both of the combs 5 move between the two positions together with the second drum 3. In this embodiment, both of the combs 5 are mounted on the movable support 6.
  • the possibility of movement might be given not only to the second drum but to any drum of the train of drums where it is necessary to make more space to allow cleaning to be carried out quickly, in particular automatic cleaning operations using existing pneumatic means in the cleaning zone.
  • the present invention achieves the preset aims, overcoming the disadvantages of the prior art.
  • the invention allows automatically moving the operating drum to free more space (the space being normally very confined) to allow cleaning to be carried out to remove clogging or other causes of malfunctioning.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP22169089.4A 2021-04-23 2022-04-20 Unité multi-tambours et procédé de traitement d'articles en forme de tige pour l'industrie du tabac Pending EP4079165A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000010337A IT202100010337A1 (it) 2021-04-23 2021-04-23 Unità multitamburo e metodo per processare articoli a forma di barretta dell’industria del tabacco

Publications (1)

Publication Number Publication Date
EP4079165A1 true EP4079165A1 (fr) 2022-10-26

Family

ID=77021922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22169089.4A Pending EP4079165A1 (fr) 2021-04-23 2022-04-20 Unité multi-tambours et procédé de traitement d'articles en forme de tige pour l'industrie du tabac

Country Status (2)

Country Link
EP (1) EP4079165A1 (fr)
IT (1) IT202100010337A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050139453A1 (en) * 2003-11-19 2005-06-30 G.D Societa' Per Azioni Perfected drum for filter-tipped cigarette manufacturing machines
EP1495685B1 (fr) * 2003-07-10 2006-03-22 Hauni Maschinenbau AG Dispositif de fabrication d'articles de tabac en forme de tige avec filtre, notamment des cigarettes
EP1468617B1 (fr) * 2003-04-17 2013-07-03 Hauni Maschinenbau AG Méthode et appareil pour nettoyer une machine de fabrication de cigarettes
EP3141134A2 (fr) * 2015-08-20 2017-03-15 Hauni Maschinenbau GmbH Tambour coulissant de l'industrie de transformation du tabac

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1468617B1 (fr) * 2003-04-17 2013-07-03 Hauni Maschinenbau AG Méthode et appareil pour nettoyer une machine de fabrication de cigarettes
EP1495685B1 (fr) * 2003-07-10 2006-03-22 Hauni Maschinenbau AG Dispositif de fabrication d'articles de tabac en forme de tige avec filtre, notamment des cigarettes
US20050139453A1 (en) * 2003-11-19 2005-06-30 G.D Societa' Per Azioni Perfected drum for filter-tipped cigarette manufacturing machines
EP3141134A2 (fr) * 2015-08-20 2017-03-15 Hauni Maschinenbau GmbH Tambour coulissant de l'industrie de transformation du tabac

Also Published As

Publication number Publication date
IT202100010337A1 (it) 2022-10-23

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