EP4369955A1 - Tambour de transport pour l'industrie de transformation du tabac - Google Patents

Tambour de transport pour l'industrie de transformation du tabac

Info

Publication number
EP4369955A1
EP4369955A1 EP22761548.1A EP22761548A EP4369955A1 EP 4369955 A1 EP4369955 A1 EP 4369955A1 EP 22761548 A EP22761548 A EP 22761548A EP 4369955 A1 EP4369955 A1 EP 4369955A1
Authority
EP
European Patent Office
Prior art keywords
trough
conveyor drum
article
receiving
partial
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
EP22761548.1A
Other languages
German (de)
English (en)
Inventor
Philipp von Babka-Gostomski
Oliver Deppe
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.)
Koerber Technologies GmbH
Original Assignee
Koerber Technologies GmbH
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 Koerber Technologies GmbH filed Critical Koerber Technologies GmbH
Publication of EP4369955A1 publication Critical patent/EP4369955A1/fr
Pending legal-status Critical Current

Links

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
    • A24C5/01—Making cigarettes for simulated smoking devices
    • 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
    • A24C5/39—Tobacco feeding devices
    • A24C5/399—Component parts or details, e.g. feed roller, feed belt

Definitions

  • the invention relates to a conveyor drum for the tobacco processing industry and a machine for the tobacco processing industry, in particular a drum machine.
  • the invention also relates to a method for the cross-axial conveyance of rod-shaped articles in the tobacco processing industry, in particular filter rods and/or filter segment groups and/or tobacco rods and/or filter cigarettes.
  • conveyor drums are used to transport cigarettes, filter pieces or their components.
  • rod-shaped articles such as tobacco rods or filter plugs or filter rods
  • the receiving troughs are arranged at predetermined pitches on the peripheral surface of the conveyor drum.
  • the pitch spacing is understood as meaning the transverse axial spacing of the receiving troughs.
  • the distance is measured from the trough center of the receiving trough to the subsequent trough center of the adjacent receiving trough of the trough conveyor transporting the rod-shaped smoking articles (groups) on the surface or from trough base to trough base in the case of a prism-shaped receiving trough, for example.
  • the pitch in a drum conveyor also referred to as a conveyor drum, is the transverse axial distance or the length of the (circular) arc between (adjacent) trough centers on the circular line on which the trough centers or trough center axes of the troughs are arranged.
  • WO 2012/139720A2 and DE 10 2019 134 097 A1 disclose conveyor drums in the tobacco processing industry for conveying rod-shaped articles.
  • An object of the invention is rod-shaped articles on a
  • the conveyor drum having a has an axis of rotation and is or can be driven to rotate about the axis of rotation, the receiving troughs each being aligned parallel to the axis of rotation, wherein at least one, preferably each, receiving trough has an immovable partial trough surface for a rod-shaped article and a movable partial trough surface for the same rod-shaped article, wherein the immovable part trough surface and the movable part trough surface of the respective receiving trough extend parallel to the axis of rotation of the conveyor drum, wherein the movable part trough surface of the respective Aufna hmemulde is parallel to the axis of rotation, in particular linearly movable relative to
  • the invention is based on the idea that, for example in the production of rod-shaped heat-not-burn products or multi-segment filters, individual rod-shaped article segments are repositioned during the transverse axial conveying on the conveyor drum or are aligned by or after a longitudinal axial displacement movement on the conveyor drum .
  • the rod-shaped articles are moved in the longitudinal axial direction by means of the movable partial trough surface of a receiving trough, the rod-shaped articles being arranged on or in the movable partial trough surface.
  • the rod-shaped articles are held in the movable sub-trough surfaces by means of a vacuum.
  • the rod-shaped articles are moved in the longitudinal axial direction by a linear movement of the movable partial trough surface parallel to the axis of rotation of the conveyor drum at the same time, due to the rotation of the conveyor drum about its axis of rotation, the rod-shaped articles are conveyed transversely axially.
  • the conveying processes of the rod-shaped articles on the conveyor drum it is possible to correspondingly displace or position the rod-shaped articles within the receiving trough between the movable partial trough surface and the immovable partial trough surface.
  • the rod-shaped article is moved from the immovable partial trough surface of the receiving trough to the movable partial trough surface of the receiving trough, for example by applying a vacuum in the movable partial trough surface and then the movable partial trough surface is moved or shifted together with the rod-shaped article arranged therein or on it in the longitudinal axial direction, i.e. parallel to the axis of rotation of the conveyor drum, by means of the movable partial trough surface.
  • the rod-shaped article moved along the longitudinal axis can then be (back) displaced to the immovable partial trough surface of the receiving trough. This achieves a repositioning of the rod-shaped articles within a receiving trough during the transverse-axial conveyance of the rod-shaped articles on the conveyor drum.
  • the receiving troughs of the conveyor drum are formed from an immovable partial trough surface and a movable partial trough surface.
  • the immovable partial trough surface is formed on a rigid drum body.
  • the movable partial trough surfaces are formed here, for example, on or on or in axially displaceable carriages or displacement bodies of the conveyor drum.
  • the immovable partial trough surface and the movable partial trough surface of the respective receiving troughs are arranged one behind the other in the circumferential direction of the conveying drum and the immovable partial trough surface and the movable partial trough surface of the respective receiving troughs interact with one another in such a way that the movable partial trough surfaces and the stationary ones At least one rod-shaped article is arranged or can be arranged on partial trough surfaces. This makes it possible for rod-shaped articles to be accommodated in the receiving troughs.
  • one embodiment of the conveyor drum is characterized in that the movable partial trough surface of each receiving trough performs a lifting movement between two lifting reversal points during the rotational movement of the conveyor drum about the axis of rotation.
  • the stationary partial trough surface and a movable partial trough surface of the respective receiving trough have at least one or more suction air openings, with the suction air openings of the stationary partial trough surface of the respective receiving trough being arranged at preferably regular intervals in the longitudinal extension of the stationary partial trough surface and/or the suction air openings of the movable partial trough surface of the respective receiving trough are arranged at, preferably regular, intervals in the longitudinal extent of the movable partial trough surface.
  • a vacuum is applied to the suction air openings, in particular suction air bores, of the movable partial trough surface or the immovable partial trough surface to hold rod-shaped articles in the partial trough surfaces, as a result of which the rod-shaped articles are fixed in the partial trough surfaces during cross-axial conveyance on the conveyor drum.
  • a corresponding control body is provided inside the conveyor drum.
  • the movable partial trough surface of a receiving trough is formed on a carriage, the carriage being linearly movable parallel to the axis of rotation of the conveyor drum.
  • the conveyor drum is characterized in that in the circumferential direction of the conveyor drum, two immovable sub-trough surfaces of two receiving troughs are formed one behind the other and mirror-symmetrically.
  • the immovable sub-trough surfaces are designed accordingly on the outside of a rigid drum body.
  • two movable partial trough surfaces of two receiving troughs each are formed one behind the other and mirror-symmetrically on a carriage in the circumferential direction of the conveyor drum, with the carriage being linearly movable parallel to the axis of rotation of the conveyor drum.
  • At least one, in particular motorized, drive, in particular for one or all carriages, is provided for moving the movable partial trough surface of one or more, in particular all, receiving troughs.
  • the movable partial trough surface of the receiving troughs preferably has a curved, in particular partially cylindrically curved, or rounded or flat support surface for the rod-shaped articles.
  • the immovable partial trough surface of the receiving troughs has a curved, in particular partially cylindrically curved, or rounded or flat bearing surface for having the rod-shaped articles.
  • the conveyor drum has a peripheral groove for inserting a cutting knife and/or the receiving troughs with the respective movable partial trough surfaces and the respective immovable partial trough surfaces Have a groove for inserting a cutting blade.
  • an embodiment of the conveyor drum is characterized in that a cutting blade is arranged on the conveyor drum.
  • this cutting knife engages in the grooves of the movable and immovable sub-trough surfaces of the receiving troughs in order to cut the rod-shaped articles arranged in the receiving troughs.
  • the object is achieved by a machine in the tobacco processing industry, in particular a drum machine, with at least one conveyor drum described above. To avoid repetition, reference is expressly made to the above statements, which apply accordingly.
  • the object is also achieved by a method for transversely axial conveying of rod-shaped articles in the tobacco processing industry, in particular filter rods and/or filter segment groups and/or tobacco rods and/or filter cigarettes, on a conveying drum, as described above.
  • a method for transversely axial conveying of rod-shaped articles in the tobacco processing industry, in particular filter rods and/or filter segment groups and/or tobacco rods and/or filter cigarettes, on a conveying drum, as described above.
  • the method for transversely axial conveying of rod-shaped articles is carried out using a conveying drum according to the invention.
  • the article when promoting an article by means of the conveyor drum article is shifted from the immovable partial trough surface of a receiving trough to the movable partial trough surface of the same receiving trough and/or when an article is conveyed by means of the conveyor drum, the article is shifted from the movable partial trough surface of a receiving trough to the immovable partial trough surface of the same receiving trough.
  • the position of the rod-shaped articles within the receiving trough it is made possible for the position of the rod-shaped articles within the receiving trough to be changed.
  • one embodiment of the method also provides that when an article bar is conveyed in a receiving trough, in particular during the rotation of the conveyor drum, by means of the movable partial trough surface of the receiving trough into a cutting position on the conveyor drum by a linear movement of the movable partial trough surface parallel to the axis of rotation of the conveyor drum is moved with the article bar and then the article bar is cut into two article segments by means of a cutting blade engaging in a circumferential groove of the conveyor drum.
  • the conveyor drum according to the invention makes it possible to align the article bar by a corresponding longitudinal axial displacement of the article bar within the receiving trough in relation to the cutting plane of the cutting knife.
  • the method also provides that when several article segments of an article segment group are conveyed in a receiving trough, in particular during the rotation of the conveyor drum, at least one of the article segments of the article segment group is arranged using the movable partial trough surface of the receiving trough with the at least one arranged therein article segment of the article segment group and using the stationary partial trough surface of the receiving trough with at least one other article segment of the article segment group arranged therein by moving the movable partial trough surface parallel to the axis of rotation of the conveyor drum relative to one another in relation to the at least one article segment of the article segment group arranged in the stationary partial trough surface of the receiving trough in a longitudinal axial direction direction are spaced.
  • an article rod in a receiving trough is cut into two article segments by means of a cutting blade engaging in a circumferential groove of the conveyor drum, and then the two article segments on the conveyor drum are longitudinally and axially passed from one another.
  • FIG. 1 schematically shows a perspective view of a conveyor drum according to an embodiment
  • Fig. 2 shows a schematic view of the conveyor drum from Fig. 1 in detail
  • FIG. 5 shows a schematic perspective view of the conveyor drum from FIG. 4 in a detailed view
  • FIG. 6 shows a schematic flow diagram for the longitudinal axial displacement of rod-shaped articles on a conveyor drum, in detail.
  • FIG. 1 is a schematic representation of a conveyor drum 10 for transversely axial conveying of rod-shaped articles 21, 22, 23, which are conveyed in receiving troughs 12 of the conveyor drum 10.
  • the receiving troughs 12 are formed or arranged at regular intervals on the outside of the conveyor drum 10 in the circumferential direction of the conveyor drum.
  • the conveyor drum 10 During the transport of the rod-shaped articles 21, 22, 23 on the conveyor drum 10, which has an axis of rotation R, the conveyor drum 10 being driven by a drive and rotating about the axis of rotation R for the transverse axial conveyance of the rod-shaped articles 21, 22, 23.
  • the conveyor drum 10 has a drum body 14 with depressions 18 in which carriage bodies 30 are movably arranged. During the rotation of the conveyor drum 10 about the axis of rotation R, the rod-shaped articles 21, 22, 23 shifted using the carriage bodies 30 in the longitudinal axial direction. In this case, the rod-shaped articles 21, 22, 23 are arranged individually or in pairs or as a segment group with more than two rod-shaped articles in the receiving troughs 12 of the conveyor drum 10.
  • FIG. 2 shows a schematic view of the conveyor drum 10 in an enlarged view.
  • the receiving troughs 12 of the conveyor drum 10 are in this case each formed by an immovable partial trough surface 16 which is formed on the rigid drum body 14 and a partial trough surface 36 of the carriage body 30 .
  • the partial trough surface 16 of the drum body 14 is designed as an immovable partial trough surface for the rod-shaped articles 21 , 22
  • the partial trough surface 36 is designed as a movable partial trough surface for the rod-shaped articles 21 , 22 .
  • the carriage bodies 30 can be displaced with their partial trough surfaces 36 parallel to the axis of rotation R of the conveyor drum.
  • a corresponding drive (not shown here) is provided for the carriage bodies 30.
  • the drum body 14 has corresponding depressions 18 in which the carriage body 30 can be displaced parallel to the axis of rotation R or is displaced.
  • the partial trough surfaces 16 of the drum body 14 and the partial trough surfaces 36 of the carriage bodies 30 each form a corresponding receiving trough for the rod-shaped articles 21 and 22, respectively.
  • FIG. 3 schematically shows a cross section through a receiving trough 12 in a representation that is not true to scale or distorted.
  • the receiving trough 12 is in this case formed by the partial trough surface 16 of the drum body 14 and the partial trough surface 36 of the carriage body 30.
  • the negative pressure at the suction air bore 37 of the carriage body 30 is switched off and at the same time negative pressure is applied to the suction air bore 17 of the drum body 14, so that the rod-shaped article 21 can be pushed away from the partial trough surface 36 of the carriage body 30 in Is moved in the direction of the partial trough surface 16 of the drum body 14 and is held on the (immovable) partial trough surface 16 by applying a negative pressure to the suction air bore 17 .
  • rod-shaped articles 21 to 23 are arranged in a receiving trough 12, it is possible within the scope of the invention for some of the rod-shaped articles to be held by applying a negative pressure to suction air bores 17 of the drum body 14, while another rod-shaped article of this group of articles is held by applying a negative pressure on the (movable) part trough surface 36 of the same receiving trough 12 is maintained and moved longitudinally axially by a linear movement of the carriage body 30, while the other rod-shaped articles, the applied to the partial trough surface 16 of the drum body 14 are not moved.
  • the carriage bodies 30 are moved linearly and parallel to the axis of rotation R of the conveyor drum, in particular between two stroke reversal points.
  • the carriage bodies 30 By repeating multiple displacement processes between the partial trough surfaces 16 and 36 and the movement of the carriage bodies 30 parallel to the axis of rotation R of the conveyor drum 10, it is possible to place the rod-shaped articles 21, 22, 23 on the conveyor drum 10 conveying transversely axially in the longitudinal direction within a receiving trough 12 to promote and to move the rod-shaped articles 21, 22, 23 in the longitudinal axial direction in a predetermined position, in particular delivery position to a subsequent conveyor drum.
  • stepwise and possibly multiple longitudinal axial shifting processes are carried out, as a result of which the rod-shaped articles 21 , 22 are repositioned on the conveyor drum in the receiving troughs 12 .
  • the rod-shaped articles 21, 22, 23 are successively separated using the carriage body 30 and the multiple displacement of the rod-shaped articles 21, 22, 23 between the partial trough surfaces 16 of the drum body 14 and the partial trough surfaces 36 of the transport carriage 30 and correspondingly shifted to a delivery position.
  • a delivery position for example, in a three-segment article group, in a first Step delivered a singulated segment after a first rotation in a delivery position.
  • the second article segment of the segment group is released after a second rotation, with the second segment being displaced in a release position by a longitudinal axial displacement within the receiving trough 12 .
  • the third article segment is delivered to a subsequent conveyor drum in the delivery position.
  • FIG. 4 another embodiment of a conveyor drum 10 according to the invention is shown schematically in a perspective view.
  • a cutting knife 20 is arranged on the conveyor drum 10 in order to cut the rod-shaped articles 21 , 22 , 23 by means of the cutting knife 20 .
  • the drum body 14 For cutting the rod-shaped articles 21 , 22 , 23 , the drum body 14 has a circumferential groove 19 in the circumferential direction in the area of the cutting blade 20 , which groove is interrupted by the indentations 18 . Furthermore, the carriage bodies 30 have grooves 39 in the circumferential direction, into which the cutting blade engages when the carriage bodies 30 are positioned, so that the positioned and aligned rod-shaped articles 21, 22, 23 are aligned before the cut. During cutting, the grooves 19, 39 are aligned with one another in the circumferential direction of the conveyor drum 10. In Fig. 5 a view of the conveyor drum 10 from Fig. 4 is shown schematically.
  • FIG. 6 is a schematic detail of a process sequence for positioning rod-shaped articles 21, 22, 23 by means of the conveyor drum 10 according to the exemplary embodiment in FIG.
  • the rod-shaped articles 21, 22, 23 are arranged in contact with the suction air bores 17 in the partial trough surface 16 of the drum body 14 by applying a negative pressure.
  • vacuum is applied to the suction air bores 37 of the carriage body 30 and negative pressure is switched off at the suction air bores 17 of the drum body 14, so that the rod-shaped articles 21, 22, 23 the partial trough surface 36 of the carriage body 30 abut. This is shown in process step b).
  • the carriage body 30 is then moved parallel to the axis of rotation R of the conveyor drum 10 in method step c), so that the rod-shaped articles 21 , 22 are moved longitudinally axially together with the carriage body 30 within the receiving trough 12 .
  • the rod-shaped articles 21 , 22 , 23 are moved in the longitudinal axial direction in relation to the relatively stationary drum body 14 .
  • the rod-shaped articles 21 , 22 , 23 moved longitudinally and axially are brought into contact with the partial trough surface 16 in method step d) by applying negative pressure to the suction air bores 17 .
  • the article segment 23 is arranged in a delivery position on the conveyor drum 10, which is transferred to a subsequent conveyor drum. This is indicated by dashed lines in method step e).
  • the carriage body 30 is brought into its initial position as in method step a), with the same movements of the carriage body 30 then being carried out in method steps f), g), h) in an analogous manner as in method steps b), c) and d) so that in a further step the rod-shaped article 22 is brought into a delivery position on the conveyor drum 10 . Thereafter the above-described process steps are repeatedly carried out again in order to bring the remaining rod-shaped article 21 into the dispensing position. All of the features mentioned, including those that can be taken from the drawings alone and also individual features that are disclosed in combination with other features, are considered essential to the invention alone and in combination. Embodiments according to the invention can be fulfilled by individual features or a combination of several features.

Landscapes

  • Attitude Control For Articles On Conveyors (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

L'invention concerne entre autres un tambour de transport (10) pour l'industrie de transformation du tabac, comportant des creux de réception (12) agencés les uns après les autres dans le sens de la circonférence et recevant des articles en forme de tige (21, 22, 23) de l'industrie de transformation du tabac, le tambour de transport (10) présentant un axe de rotation (R) et étant entraîné ou pouvant être entraîné en rotation autour de l'axe de rotation (R), les creux de réception (12) étant orientés chacun parallèle à l'axe de rotation (R), au moins un creux de réception (12) comportant dans chaque cas une surface de creux partielle immobile (16) pour un article en forme de tige (21, 22, 23) et une surface de creux partielle mobile (36) pour le même article en forme de tige (21, 22, 23), la surface de creux partielle immobile (16) et la surface de creux partielle mobile (36) du creux de réception (12) respectif s'étendant parallèles à l'axe de rotation (R) du tambour de transport (10), et la surface de creux partielle mobile (36) du creux de réception (12) respectif étant mobile par rapport à la surface de creux partielle immobile du creux de réception (12) respectif parallèle à l'axe de rotation (R), en particulier linéairement.
EP22761548.1A 2021-08-17 2022-08-09 Tambour de transport pour l'industrie de transformation du tabac Pending EP4369955A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021121351.7A DE102021121351A1 (de) 2021-08-17 2021-08-17 Fördertrommel der Tabak verarbeitenden Industrie
PCT/EP2022/072321 WO2023020890A1 (fr) 2021-08-17 2022-08-09 Tambour de transport pour l'industrie de transformation du tabac

Publications (1)

Publication Number Publication Date
EP4369955A1 true EP4369955A1 (fr) 2024-05-22

Family

ID=83149481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22761548.1A Pending EP4369955A1 (fr) 2021-08-17 2022-08-09 Tambour de transport pour l'industrie de transformation du tabac

Country Status (5)

Country Link
EP (1) EP4369955A1 (fr)
KR (1) KR20240046562A (fr)
CN (1) CN117835840A (fr)
DE (1) DE102021121351A1 (fr)
WO (1) WO2023020890A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809619C2 (de) * 1978-03-06 1986-05-28 Maschinenfabrik Alfred Schmermund Gmbh & Co, 5820 Gevelsberg Vorrichtung zum Bilden von Doppelfilterzigarettengruppen
DE102011007428A1 (de) 2011-04-14 2012-10-18 Hauni Maschinenbau Ag Förderung von stabförmigen Artikeln der Tabak verarbeitenden Industrie
DE102013009676A1 (de) 2013-06-11 2014-12-11 Hauni Maschinenbau Ag Fördertrommel der Tabak verarbeitenden Industrie
DE102017127593A1 (de) * 2017-11-22 2019-05-23 Hauni Maschinenbau Gmbh Schiebetrommel der Tabak verarbeitenden Industrie
GB201801515D0 (en) * 2018-01-30 2018-03-14 British American Tobacco Investments Ltd Separator drum
DE102019134097A1 (de) 2019-12-12 2021-06-17 Hauni Maschinenbau Gmbh Fördertrommel der Tabak verarbeitenden Industrie

Also Published As

Publication number Publication date
CN117835840A (zh) 2024-04-05
KR20240046562A (ko) 2024-04-09
DE102021121351A1 (de) 2023-02-23
WO2023020890A1 (fr) 2023-02-23

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