EP3364787B1 - Machine permettant de fabriquer des articles pour fumeurs - Google Patents

Machine permettant de fabriquer des articles pour fumeurs Download PDF

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Publication number
EP3364787B1
EP3364787B1 EP16795160.7A EP16795160A EP3364787B1 EP 3364787 B1 EP3364787 B1 EP 3364787B1 EP 16795160 A EP16795160 A EP 16795160A EP 3364787 B1 EP3364787 B1 EP 3364787B1
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EP
European Patent Office
Prior art keywords
rod
opposing
machine according
operating configuration
respective end
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.)
Active
Application number
EP16795160.7A
Other languages
German (de)
English (en)
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EP3364787A1 (fr
Inventor
Giuliano Gamberini
Gabriele BENNI
Massimo Sartoni
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
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GD SpA
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Priority to PL16795160T priority Critical patent/PL3364787T3/pl
Publication of EP3364787A1 publication Critical patent/EP3364787A1/fr
Application granted granted Critical
Publication of EP3364787B1 publication Critical patent/EP3364787B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0254—Cutting means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0275—Manufacture of tobacco smoke filters for filters with special features
    • A24D3/0291—Manufacture of tobacco smoke filters for filters with special features for hollow tipped filters, e.g. recess filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B26D3/164—Cutting rods or tubes transversely characterised by means for supporting the tube from the inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B26D3/164—Cutting rods or tubes transversely characterised by means for supporting the tube from the inside
    • B26D3/165—Cutting rods or tubes transversely characterised by means for supporting the tube from the inside by fluid under pressure

Definitions

  • This invention relates to a machine for making smokers' articles.
  • An example of such machine is disclosed in document WO2013/002657 A1 .
  • smokers' articles are made by assembling two or more tubular elements or pieces to each other.
  • the pieces of smokers' articles are obtained by transversely cutting a single rod or stick whose length is a multiple of the length each individual piece.
  • the roundness of the piece may cause the piece to be rejected if it does not fall within preset parameters.
  • the disk knife In order to give the rod a clean cut, the disk knife is driven in rotation at high speeds and the cutting blade is sharpened periodically as a function of the working cycles of the machine.
  • the numeral 1 denotes in its entirety a machine for making smokers' articles not illustrated.
  • the smokers' articles referred to herein comprise at least one piece 3 of smokers' articles obtained by cutting a rod 2.
  • Two or more pieces 3 of smokers' articles are obtained by transversely cutting a single rod 2.
  • rod 2 is used to denote an at least partly hollow stick.
  • the rod 2 might, for example, comprise at least one solid portion alternated with at least one hollow portion.
  • the rod 2 is a hollow stick.
  • the rod 2 has two free ends 8.
  • the rod 2 is a tubular stick with cylindrical cross section.
  • the rod 2 has a main axis "L" of longitudinal extension.
  • the rod 2 comprises at least one sheet 2a.
  • the rod 2 comprises a single sheet, the outer sheet 2a, wound on itself.
  • the rod 2 comprises at least one inner sheet 2b at least partly wrapped in the outer sheet 2a.
  • the inner sheet 2b is made of metallic material.
  • the inner sheet 2b is made of aluminium.
  • the outer sheet 2a is made of wrapping material.
  • the rod 2 comprises an inner sheet 2b wrapped in the outer sheet 2a.
  • the inner sheet 2b is equal in length to the outer sheet 2a or shorter in length than the outer sheet 2a.
  • the rod 2 comprises an inner sheet 2b partly wrapped in the outer sheet 2a.
  • the inner sheet 2b extends outwards from the end 8 of the outer sheet 2a of the rod 2.
  • the rod 2 comprises at least one outer sheet 2a and two or more inner sheets 2b wrapped one inside the other in a predetermined order.
  • the rod 2 has a first internal diameter defined by the outer sheet 2a.
  • the rod 2 has a second internal diameter defined by the inner sheet 2b.
  • the first internal diameter, defined by the outer sheet 2a, is smaller than the second internal diameter, defined by the inner sheet 2b.
  • the cross section of the rod 2 may be variable along the longitudinal axis L, in particular having a first internal diameter, defined by the outer sheet 2a, and a second internal diameter, defined by the inner sheet 2b and smaller than the first internal diameter.
  • the machine 1 comprises a hopper 4 for containing a mass 5 of filter rods 2.
  • the machine 1 comprises a roller 6 for withdrawing the rods 2 and located downstream of the hopper 4. More specifically, the bottom of the hopper 4 is closed by the withdrawal roller 6.
  • the roller 6 rotates in anticlockwise direction about its axis of rotation 6a.
  • the axis of rotation 6a is a horizontal axis normal to the plane of Figure 1 .
  • the withdrawal roller 6 is peripherally provided with a plurality of longitudinal flutes 9 running parallel to the axis 6a, each of which is capable of picking up and retaining a single rod 2 by suction.
  • the machine 1 comprises a transfer and retaining roller 10 located downstream of the hopper 4, in particular downstream of the withdrawal roller 6.
  • the roller 10 rotates in a clockwise direction about its axis of rotation 10a.
  • the axis of rotation 10a of the transfer and retaining roller 10 is a horizontal axis normal to the plane of Figure 1 .
  • the transfer and retaining roller 10 rotates in a direction opposite to the rotation direction of the withdrawal roller 6.
  • the transfer and retaining roller 10 is peripherally provided with a plurality of longitudinal flutes 11 running parallel to the axis 10a, each of which is capable of retaining by suction a single rod 2 or pieces 3 obtained by cutting the rod.
  • the machine 1 comprises cutting means 12, in particular for transversely cutting the rods 2 into pieces 3.
  • the cutting means 12 cut the rods 2 transversely in such a way as to divide them into pieces 3.
  • each rod 2 is divided into a first and a second piece 3a, 3b.
  • the pieces 3 are equal in length.
  • the cutting means 12 are counter-rotating relative to the transfer and retaining roller 10 and, with reference to Figure 1 , rotate in anticlockwise direction.
  • the cutting means 12 face the transfer and retaining roller 10 and define therewith at least one cutting station 13.
  • the cutting means 12 comprise at least one disc knife 14 which rotates about its axis of rotation 14a, in particular parallel to the axis of rotation 10 of the transfer and retaining roller 10, and which has a circumferential cutting blade 15.
  • each disc knife 14 passes through respective radial slots made in the transfer and retaining roller 10 transversely to each flute 11, in such a way as to cut each rod 2 transversely.
  • Each rod 2 has a cut start zone 18 where contact between the cutting means 12, in particular between the blade 15 of the disc knife 14, and the rod 2 first occurs.
  • the cut start zone 18 is exactly half way along the rod 2.
  • the cutting means 12 cut at least into a portion of the outer sheet 2a of the rod.
  • the cutting means 12 cut into a portion of the outer sheet 2a of the rod and of the inner sheet 2b beneath it.
  • the machine 1 comprises opposing means 17 for opposing the cutting means 12 and capable, during the cutting action, of supporting from the inside of the rod 2 at least the portion of rod 2 in the proximity of the cut start zone 18.
  • the opposing means 17 oppose the action of the cutting blade 15 and hold in place at least the portion of rod 2 situated in the proximity of the cut start zone 18 of the rod 2.
  • the opposing means 17 are capable of supporting at least part of the inner sheet 2b of the rod 2 in the proximity of the cut start zone 18 of the rod 2.
  • the opposing means 17 support the outer sheet 2a of the rod 2 at the portion of it which surrounds the respective portion of the inner sheet 2b on which the opposing means 17 operate.
  • the opposing means 17 are movable towards and away from the rod 2 to pass from a non-operating configuration to an operating configuration and vice versa.
  • the opposing means 17 move translationally at least in an axial direction defined by the longitudinal axis L of the rod 2.
  • the opposing means 17 move translationally towards the rod 2.
  • the opposing means 17 move translationally away from the rod 2.
  • the opposing means 17 comprise a first and a second opposing element 19 and 20, each of which passes from a non-operating configuration to an operating configuration, and vice versa, relative to a respective end 8 of the rod 2.
  • first and second opposing elements 19 and 20 each act in conjunction with the respective end 8 of the rod 2.
  • first and second opposing elements 19 and 20 are located on opposite sides of the rod 2.
  • the first and second opposing elements 19 and 20 move translationally in opposite directions along the same axial line.
  • first and second opposing elements 19 and 20 are configured to be inserted at least partly into the rod 2 through a respective end 8 of the rod 2.
  • the first and second opposing elements 19 and 20 have respective end portions 19a and 20a whose radial dimensions are smaller than the internal diameter of the cross section of the rod 2.
  • the first and second opposing elements 19 and 20 are positioned inside the rod 2 in such a way as to define a respective radial gap "R" with the portion of rod 2 in the proximity of the cut start zone 18, in particular with the inner sheet 2b of the rod 2.
  • the first and second opposing elements 19 and 20 are positioned inside the rod 2 in such a way as to define, relative to the longitudinal axis "L" of the rod 2, an axial distance "d" from each other which is just larger than the thickness of the cutting means 12, in particular of the cutting blade 15 of the disc knife 14.
  • the opposing means 17 are movable in a radial direction transverse to the longitudinal axis of extension L of the rod 2.
  • the first and second opposing elements 19 and 20 move translationally along the radial direction of the rod 2 after their translational movement along the rod's longitudinal axis "L” to be inserted into the rod 2, as illustrated in Figures 8 and 9 .
  • first and second opposing elements 19 and 20 along a respective radial line in the same feed direction.
  • first and second opposing elements 19 and 20 rotate about an axis of rotation which is offset from the longitudinal axis "L" of the rod 2.
  • the first and second opposing elements 19 and 20 are positioned inside the rod 2 in such a way as to contact respective portions of rod 2 in the proximity of the cut start zone 18, in particular respective portions of the inner sheet 2b of the rod 2 in the proximity of the cut start zone 18.
  • the end portions 19a and 20a of the first and second opposing elements 19 and 20 have respective surfaces which are shaped to mate with the portions of rod 2 contacted in the proximity of the cut start zone 18, in particular with the portions of the inner sheet 2b of the rod 2 in the proximity of the cut start zone 18.
  • end portions 19a and 20a of the first and second opposing elements 19 and 20 have respective cylindrical surfaces.
  • the first and second opposing elements 19 and 20 move away from the respective portions of rod 2 in order to disengage them-
  • At least one between the first and the second opposing element 19 and 20 is capable of conveying a pressurized fluid, in particular air, into the rod 2 through the respective end 8 of the rod 2 in such a way as to keep under tension at least the portion of rod 2 in the proximity of the cut start zone 18, in particular at least the portion of the inner sheet 2b of the rod 2 in the proximity of the cut start zone 18.
  • a pressurized fluid in particular air
  • the tension inside the rod 2 created by the pressurized fluid prevents deformation of the rod 2 while it is being cut.
  • both the first and the second opposing element 19 and 20 are capable of conveying a pressurized fluid, in particular air, through the respective end 8 of the rod 2.
  • the first opposing element 19 is capable of conveying a pressurized fluid, in particular air, through the respective end 8 of the rod 2, and the second opposing element 20 acts as a plug at the opposite end 8 of the rod 2.
  • first and second opposing elements 19 and 20 contact the respective end 8 of the rod 2 in such a way as to create a fluid tight coupling, as illustrated for example in Figures 10 and 11 .
  • the respective end portions 19a and 20a of the first and second opposing elements 19 and 20 are made of a deformable material.
  • the end portions 19a and 20a each have a socket 21 for receiving the respective end 8 of the rod 2.
  • first and second opposing elements 19 and 20 each draw near a respective end 8 of the rod 2 in such a way as to define therewith a gap 22 through which the pressurized fluid can flow. as illustrated for example in Figure 12 .
  • the gap 22 does not negatively affect the pneumatic action of the opposing means 17 inside the rod 2.
  • the respective end portions 19a and 20a of the first and second opposing elements 19 and 20 are made of a rigid material.
  • this alternative solution allows limiting wear caused by friction on the ends 19a and 20a of the first and second opposing elements 19 and 20, thus increasing their working life.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Compounds Of Unknown Constitution (AREA)

Claims (21)

  1. Machine permettant de fabriquer des articles pour fumeurs, dont chacun comprend au moins une pièce (3) d'article pour fumeurs obtenue en coupant au moins une tige (2) partiellement creuse se prolongeant le long d'un axe longitudinal (L) ;
    la machine comprend au moins un rouleau (10) de transfert et de retenue des tiges (2) et des moyens de coupe (12) servant à couper les tiges (2) et positionnés pour faire face au rouleau (10) de transfert et de retenue ;
    la machine étant caractérisée en ce qu'elle comprend des moyens (17) pour s'opposer aux moyens de coupe (12) et pouvant, lors de l'action de coupe, supporter de l'intérieur de la tige (2) au moins la portion de tige (2) à proximité de la zone (18) d'amorçage de coupe.
  2. Machine selon la revendication 1, dans laquelle la tige (2) comprend au moins une feuille interne (2b) enroulée dans une feuille externe (2a), caractérisée en ce que les moyens (17) destinés à s'opposer aux moyens de coupe (12) peuvent supporter au moins une partie de la feuille interne (2b) de la tige (2) à proximité de la zone (18) d'amorçage de coupe de la tige (2).
  3. Machine selon la revendication 1 ou 2, caractérisée en ce que les moyens d'opposition (17) sont configurés pour agir à travers les extrémités (8) de la tige (2).
  4. Machine selon l'une quelconque des revendications de 1 à 3, caractérisée en ce que les moyens d'opposition (17) sont mobiles en se rapprochant et en s'éloignant de la tige (2) pour passer d'une configuration non fonctionnelle à une configuration fonctionnelle et vice versa.
  5. Machine selon l'une quelconque des revendications de 1 à 4, caractérisée en ce que les moyens d'opposition (17) se déplacent en translation en se rapprochant ou s'éloignant de la tige (2), et vice versa, le long d'une ligne axiale définie par l'axe longitudinal (L) de la tige (2).
  6. Machine selon l'une quelconque des revendications de 1 à 5, caractérisée en ce que les moyens d'opposition (17) comprennent un premier et un second élément d'opposition (19, 20) situés sur des côtés opposés de la tige (2) ; le premier et le second élément d'opposition (19, 20) passent d'une configuration non fonctionnelle à une configuration fonctionnelle, et vice versa, par rapport à une extrémité (8) respective de la tige (2).
  7. Machine selon la revendication 6, caractérisée en ce que le premier et le second élément d'opposition (19, 20) se déplacent en translation le long de la même ligne axiale définie par l'axe longitudinal (L) de la tige (2) dans des directions opposées.
  8. Machine selon la revendication 6 ou 7, caractérisée en ce qu'au moins l'un des éléments entre le premier et le second élément d'opposition (19, 20) peut convoyer un fluide sous pression, en particulier de l'air, dans la tige (2) à travers l'extrémité (8) respective de manière à maintenir sous tension au moins la portion de tige (2) à proximité de la zone (18) d'amorçage de coupe.
  9. Machine selon la revendication 8, caractérisée en ce que les premier et second éléments d'opposition (19, 20) peuvent convoyer un fluide sous pression, en particulier de l'air, à travers l'extrémité (8) respective de la tige (2).
  10. Machine selon la revendication 8, caractérisée en ce qu'un des éléments entre le premier et le second élément d'opposition (19, 20) peut convoyer un fluide sous pression, en particulier de l'air, dans la tige (2) à travers l'extrémité (8) respective, et l'autre élément d'opposition (19,20) agit comme un bouchon à l'extrémité opposée (8) de la tige (2).
  11. Machine selon l'une quelconque des revendications de 1 à 9, caractérisée en ce que, dans la configuration fonctionnelle, au moins un des éléments entre le premier et le second élément d'opposition (19, 20) s'approche d'une extrémité (8) respective de la tige (2) de manière à définir avec celle-ci un écartement (22) à travers lequel le fluide sous pression peut s'écouler.
  12. Machine selon l'une quelconque des revendications de 1 à 9, caractérisée en ce que, dans la configuration fonctionnelle, au moins un des éléments entre le premier et le second élément d'opposition (19, 20) se trouve en contact avec une extrémité (8) respective de la tige (2) .
  13. Machine selon la revendication 12, caractérisée en ce qu'au moins un des éléments entre le premier et le second élément d'opposition (19, 20) comporte une portion d'extrémité (19a, 20a) respective de matériau déformable de sorte à créer une étanchéité avec l'extrémité (8) respective de la tige (2).
  14. Machine selon la revendication 12 ou 13, caractérisée en ce qu'au moins un des éléments entre le premier et le second élément d'opposition (19, 20) comporte une portion d'extrémité (19a, 20a) respective de matériau déformable ; au moins une des portions d'extrémité (19a, 20a) comporte un support (21) pour recevoir l'extrémité (8) de la tige (2).
  15. Machine selon l'une quelconque des revendications de 1 à 7, caractérisée en ce que les premier et second éléments d'opposition (19, 20) sont configurés pour être introduits au moins partiellement dans la tige (2) à travers une extrémité (8) respective de la tige (2).
  16. Machine selon la revendication 15, caractérisée en ce que, dans la configuration fonctionnelle, les premier et second éléments d'opposition (19, 20) sont introduits dans la tige (2) de manière à définir, par rapport à l'axe longitudinal (L) de la tige (2), une distance axiale (d) réciproque étant à peine plus grande que l'espace occupé par les moyens de coupe (12).
  17. Machine selon la revendication 15 ou 16, caractérisée en ce que, dans la configuration fonctionnelle, les premier et second éléments d'opposition (19, 20) sont introduits dans la tige (2) de manière à définir un écartement radial (R) respectif avec la portion de tige (2) à proximité de la zone (18) d'amorçage de coupe.
  18. Machine selon l'une quelconque des revendications de 15 à 17, caractérisée en ce que les moyens d'opposition (17) sont mobiles le long d'une ligne radiale par rapport à l'axe longitudinal d'extension (L) de la tige (2) pour passer d'une configuration non fonctionnelle à une configuration fonctionnelle, et vice versa, où les moyens d'opposition (17) sont en contact avec des portions de tige (2) respectives à proximité de la zone (18) d'amorçage de coupe.
  19. Machine selon l'une quelconque des revendications de 15 à 18, caractérisée en ce que, pour passer d'une configuration non fonctionnelle à une configuration fonctionnelle, et vice versa, les premier et second éléments d'opposition (19, 20) se déplacent en translation le long d'une ligne radiale respective, transversale à l'axe longitudinal d'extension (L) de la tige (2), dans la même direction.
  20. Machine selon l'une quelconque des revendications de 15 à 19, caractérisée en ce que, pour passer d'une configuration non fonctionnelle à une configuration fonctionnelle, et vice versa, les premier et second éléments d'opposition (19, 20) tournent autour d'un axe de rotation étant excentrique par rapport à l'axe longitudinal d'extension (L) de la tige (2).
  21. Machine selon l'une quelconque des revendications de 15 à 20, caractérisée en ce que les portions d'extrémité (19a, 20a) des premier et second éléments d'opposition (19, 20) comportent des surfaces respectives étant façonnées pour correspondre solidement aux portions de tige (2) à proximité de la zone (18) d'amorçage de coupe.
EP16795160.7A 2015-10-19 2016-10-18 Machine permettant de fabriquer des articles pour fumeurs Active EP3364787B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16795160T PL3364787T3 (pl) 2015-10-19 2016-10-18 Maszyna do wytwarzania artykułów dla palących

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2015A005042A ITUB20155042A1 (it) 2015-10-19 2015-10-19 Macchina per produrre articoli da fumo.
PCT/IB2016/056245 WO2017068493A1 (fr) 2015-10-19 2016-10-18 Machine permettant de fabriquer des articles pour fumeurs

Publications (2)

Publication Number Publication Date
EP3364787A1 EP3364787A1 (fr) 2018-08-29
EP3364787B1 true EP3364787B1 (fr) 2019-12-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16795160.7A Active EP3364787B1 (fr) 2015-10-19 2016-10-18 Machine permettant de fabriquer des articles pour fumeurs

Country Status (4)

Country Link
EP (1) EP3364787B1 (fr)
IT (1) ITUB20155042A1 (fr)
PL (1) PL3364787T3 (fr)
WO (1) WO2017068493A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2513663A1 (de) * 1975-03-27 1976-10-07 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum formen von mundstueckhuelsen fuer stabfoermige artikel der tabakverarbeitenden industrie
JP4249950B2 (ja) * 2002-06-28 2009-04-08 富士フイルム株式会社 紙管切断装置及び紙管切断方法
DE10334373A1 (de) * 2003-07-25 2005-02-10 Adolf Brodbeck Maschinenbau Gmbh & Co. Verfahren und Vorrichtung zum Schneiden und Entgraten von Rohren, insbesondere Kunststoff- und Papprohren
PL395519A1 (pl) * 2011-06-30 2013-01-07 Int Tobacco Machinery Poland Plaszcz prowadzacy segmenty filtrowe
US10357057B2 (en) * 2012-08-06 2019-07-23 Philip Morris Products S.A. Smoking article with mouth end cavity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3364787T3 (pl) 2020-06-01
ITUB20155042A1 (it) 2017-04-19
EP3364787A1 (fr) 2018-08-29
WO2017068493A1 (fr) 2017-04-27

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