EP3685684B1 - Fabrication d'articles à fumer en forme de tige - Google Patents

Fabrication d'articles à fumer en forme de tige Download PDF

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Publication number
EP3685684B1
EP3685684B1 EP20153317.1A EP20153317A EP3685684B1 EP 3685684 B1 EP3685684 B1 EP 3685684B1 EP 20153317 A EP20153317 A EP 20153317A EP 3685684 B1 EP3685684 B1 EP 3685684B1
Authority
EP
European Patent Office
Prior art keywords
article
drum
rod
conveyor
segments
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
EP20153317.1A
Other languages
German (de)
English (en)
Other versions
EP3685684A1 (fr
Inventor
Volkhardt Brasse
Bastian Wolff
Berthold Maiwald
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 EP3685684A1 publication Critical patent/EP3685684A1/fr
Application granted granted Critical
Publication of EP3685684B1 publication Critical patent/EP3685684B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/28—Cutting-off the tobacco rod
    • 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
    • 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
    • A24C5/52—Incorporating filters or mouthpieces into a cigarette rod or a tobacco rod

Definitions

  • the invention relates to a method for producing stick-shaped smoking products on a drum machine in the tobacco processing industry, with stick-shaped articles from the tobacco-processing industry being arranged transversely one behind the other in receiving troughs of rotating conveyor drums of a conveyor arrangement for transversely axial conveying of rod-shaped articles and by rotation of the conveyor drum in the transverse axial conveying direction be promoted.
  • Conveyor drums are used in machines in the tobacco processing industry, in particular filter attachment machines, in order to transport cigarettes, filter pieces or their components.
  • the term "components" of the cigarettes and filter rods also includes elements of alternative smoking products, for example as elements.
  • these objects of the tobacco processing industry are held on the conveyor drums by suction air, which rests against corresponding channels, usually bores. These channels are generally arranged in rows, the lengths of which correspond to the dimensions, transverse to the transport direction, of the objects to be transported.
  • rod-shaped articles such as tobacco rods or filter plugs or filter rods are conveyed transversely axially into receiving troughs of the conveyor drums.
  • the receiving troughs are arranged at predetermined pitches on the peripheral surface of the conveyor drum.
  • a filter tipping machine is a device for making filter cigarettes with means for receiving double-length tobacco rods, with means for cutting these double-length tobacco rods into single-length tobacco rods, with means for inserting double-length filter plugs between the single-length tobacco rods, with means for connecting the double-length filter plug with the two tobacco rods of a single length by being wrapped in a tipping paper leaf, which is separated from a supplied tipping paper strip by means of a cutting device, with means for making a separating cut through the double-length filter plug, so that filter cigarettes of normal usage length are produced.
  • a single-track filter tipping machine a sequence of tobacco rod-filter plug-tobacco rod groups arranged and transported transversely one behind the other is fed as a single-track material flow to a covering device.
  • EP 1 213 105 B1 discloses a filter tipping machine.
  • EP 1 493 340 A1 describes a method for producing filter cigarettes, the transverse axial distance between the double-length tobacco rods being shortened before the formation of double-length filter cigarettes by inserting double-length filter plugs between two tobacco rods spaced longitudinally and axially apart. After the formation of the tobacco rod-filter plug-tobacco rod groups formed in a single row, two mass flows are formed, as a result of which the transverse axial spacing of the respective article groups is increased by the offset arrangement of the articles on double-width conveyor drums.
  • the object of the invention is to enable rod-shaped articles that have been cut or are to be cut several times to be conveyed in a manner that is gentle on the product.
  • the object is achieved by a method for producing rod-shaped smoking products on a tobacco processing drum machine Industry, wherein rod-shaped articles of the tobacco processing industry are arranged transversely one behind the other in receiving troughs of rotating conveyor drums of a conveyor arrangement for the transverse axial conveying of rod-shaped articles and are conveyed by rotation of the conveyor drum in the transverse axial conveying direction, and wherein the rod-shaped articles in the respective transfer area between two conveyor drums from one Article-delivering conveyor drum is transferred to an article-receiving conveyor drum, with the rod-shaped articles being conveyed in a first conveying section on at least one conveyor drum transversely axially with a first constant transverse-axial distance between the rod-shaped articles, with the rod-shaped articles conveyed transversely axially in the first conveying section then in a with a first cutting device trained second conveyor section are promoted, wherein during or after the transfer of the rod-shaped articles from the first frauda Section to the second conveyor section, the transverse axial distance between the rod-shaped articles
  • the invention is based on the idea that during or after the transfer of rod-shaped articles from a conveyor drum of the first conveyor section to a conveyor drum of the second conveyor section, the rod-shaped articles are decelerated or accelerated in their path speed and after the transfer the rod-shaped articles and those from the rod-shaped Articles formed article bar segments and also the article bar segment pieces formed from the article bar segments are conveyed at the same web speed in the second conveyor section and in the third conveyor section.
  • the web speeds of the rod-shaped articles, the article rod segments and article rod segment pieces are the same or constant while they are being conveyed in the second conveying section and third conveying section.
  • article rods of multiple lengths are taken over as products of the rod machine, for example from a rod making machine or rod manufacturing machine.
  • the multi-length article rods are conveyed in the longitudinal axial direction and transferred to one or the conveyor drum of the first conveyor section by means of a transfer device.
  • the upstream transfer device the multi-length article rods produced by the rod maker are transferred as rod-shaped articles from a longitudinal axial conveyance to a transverse axial conveyance on the conveyor arrangement.
  • the transfer device is designed as a spider or push-in drum.
  • the rod-shaped articles in the first conveying section are conveyed at a first transverse axial distance from one another.
  • the transverse-axial distance between the transferred rod-shaped articles is changed.
  • the rod-shaped articles are thus conveyed at a second transverse-axial distance, which differs from the first transverse-axial distance of the rod-shaped articles during their conveyance in the first conveying section.
  • the second conveyor section there is a first cutting device on a first cutting drum on which the rod-shaped articles are conveyed. provided to cut the rod-shaped articles into a plurality of article rod segments.
  • the cutting device has one or two or more cutting blades for this purpose, in order to cut the rod-shaped articles that are several times long. If the first cutting device has a cutting blade, the rod-shaped articles are each cut into two article rod segments. If the first cutting device has two cutting blades, the rod-shaped articles are each cut into three article rod segments.
  • the article rod segments are formed into a series of article rod segments arranged one behind the other. It is further provided that, after cutting, the row of article bar segments arranged one behind the other transversely and axially, which are conveyed individually in the receiving troughs of the conveyor drum(s), are offset in the receiving troughs in a staggered manner or in a single row, i. H. are arranged in the receiving troughs of the conveyor drum(s) without any longitudinal axial offset to one another.
  • the rod-shaped articles are cut into article rod segments of the same length by means of the first cutting device in the second conveying section.
  • the article bar segments in the third conveying section are preferably cut into article bar segment pieces of equal length by means of the second cutting device.
  • the transverse axial spacing of the cut article rod segments, which are transferred from the second conveyor section of the conveyor arrangement to the third conveyor section, in the second conveyor section corresponds to the product of the reciprocal of the number of article rod segments cut from the respective rod-shaped article and the transverse axial spacing of the rod-shaped articles in the second conveyor section before cutting. If, for example, two article rod segments are obtained from the rod-shaped articles, the transverse axial distance is Article rod segments, which are transferred to the third conveyor section on the output side of the second conveyor section, in the receiving troughs of the conveyor drum(s) of half the transverse-axial spacing of the rod-shaped articles in the second conveyor section.
  • the transverse axial spacing of the article rod segments to be delivered to the third conveyor section in the receiving troughs of the conveyor drum(s) is one third of the transverse axial spacing of the rod-shaped articles in the second conveyor section.
  • the first conveyor section can have only one conveyor drum or several conveyor drums, with the rod-shaped articles being conveyed transversely axially in the first conveyor section with a first, constant transverse axial spacing in the receiving troughs of the conveyor drum(s).
  • the second conveyor section has a plurality of conveyor drums, with one conveyor drum being designed as a cutting drum.
  • the second conveyor section can have further conveyor drums, such as at least one staggered drum, at least one shift drum, at least one transfer drum or the like.
  • the third conveyor section of the conveyor arrangement can have further conveyor drums in addition to a cutting drum with a cutting device arranged thereon.
  • the groups with article bar segment pieces cut from the article bar segments are conveyed with a transverse axial spacing in the third conveying section that corresponds to the transverse axial spacing of the article bar segments that are conveyed in the third conveying section before cutting by the cutting device.
  • first cutting drum of the second conveyor section and the second cutting drum of the third conveyor section have the same pitch between the receiving troughs.
  • the invention also provides that, in relation to the conveying direction of the rod-shaped products such as the rod-shaped articles, the article rod segments and the article rod segment pieces, only after the second cutting drum of the third conveyor section via a feed device are rod-shaped segments, such as filter segments or the like , are applied to the cut article rod segment pieces so that article groups are formed from them, which are then wrapped or cut with a strip of wrapping material.
  • rod-shaped segments such as filter segments or the like
  • the rod-shaped articles are each cut into three article rod segments and the article rod segments arranged one behind the other in the transverse axis of the row formed are conveyed with a transverse axial distance which is one third of the transverse axial distance of the rod-shaped articles conveyed in the second conveying section article before cutting by the first cutting device corresponds to the second conveying section, or in the second conveying section the rod-shaped articles are each cut into two article rod segments and the article rod segments arranged one behind the other in the transverse axial direction of the row formed are conveyed with a transverse axial distance of corresponds to half of the transverse axial distance of the rod-shaped articles conveyed in the second conveying section before being cut by the first cutting device of the second conveying section.
  • a further development of the method is characterized in that in the second conveyor section the rod-shaped articles are cut into groups of article rod segments by means of the first cutting device on a cutting drum, the groups of article rod segments on the cutting drum of the second conveyor section having the same transverse axial spacing, which corresponds to the transverse axial spacing of the rod-shaped articles before cutting in the second conveyor section, and then the groups of article bar segments are transferred to a subsequent conveyor drum of the second conveyor section, with a first return shifting drum and a second return shifting drum relative to the conveying direction of the article bar segments on the conveyor drum are arranged, based on the conveying direction of the groups of article bar segments from the conveyor drum to the first return shifting drum in each case a first article bar segment de r group of article bar segments is transferred and the article bar segment returned from the first return displacement drum to the conveyor drum is released into a free receiving trough of the conveyor drum and then a second article bar segment of the group of article bar segments is transferred from the conveyor drum to the second return displacement drum and each of the second return return
  • the conveyor drum with the first return displacement drum arranged thereon and with the second return displacement drum arranged thereon is arranged in the conveying direction of the article bar segments after the first cutting device in the second conveying section.
  • the cut groups of article bar segments are transferred from a cutting drum with the first cutting device to the conveyor drum with the two return displacement drums or are conveyed to it.
  • the individual article bar segments of the groups of article bar segments are separated by means of the conveyor drum and the two return transfer drums and arranged one behind the other in the transverse axial direction, the article bar segments being arranged in the receiving troughs of the conveyor drum.
  • the article bar segments After the separation and arrangement or rearrangement of the article bar segments in the receiving troughs of the conveyor drums, the article bar segments have a transverse axial distance which is determined by the product of the transverse axial distance of the bar-shaped articles in the second conveyor section (before cutting) multiplied by the reciprocal of the number of article bar segments cut from the rod-shaped articles or the number of article bar segments of the group of article bar segments.
  • the article bar segments are arranged in a (single-row) row transversely axially one behind the other in the receiving troughs of the conveyor drum or one behind the other and offset longitudinally, for example in a staggered manner , arranged in the receiving recesses.
  • the conveyor drum on which the first remindmannverifrommel and the second remindverifrommel are arranged, receiving troughs with a constant pitch, the transverse axial distance of the consecutively arranged and isolated article rod segments.
  • the first return shifting drum and the second return shifting drum each have receiving troughs with the same pitch, which corresponds to the pitch of the receiving troughs of the conveyor drum.
  • the conveyor drum preferably has an even number of receiving troughs.
  • the or all conveyor drums in the first conveyor section and in the second conveyor section and in the third conveyor section, with the exception of the first return displacement drum and the second return displacement drum, have an even number of receiving troughs.
  • the pitch distance is understood to mean the transverse axial distance between the receiving troughs in which the groups of smoking articles are arranged or transported.
  • the (transverse axial) 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 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.
  • the separated article bar segments are, for example, arranged in a staggered manner in the receiving troughs of the conveyor drum by means of the return shifting drums arranged thereon and arranged one behind the other, it is advantageous according to a further development of the method that the separated article bar segments arranged one behind the other transversely axially follow from the conveyor drum to a shift drum of the second conveyor section are transferred and the article bar segments are shifted on the sliding drum and aligned in such a way that a single-row row of article bar segments arranged one behind the other transversely axially is or is formed on the sliding drum.
  • one embodiment of the method is characterized in that the article bar segments are longitudinally axially shifted during their conveyance on the first return shifting drum and the article bar segments are longitudinally axially shifted during their conveyance on the second return shifting drum and after returning the longitudinally axially shifted article bar segments from the first return shifting drum and from the second return shifting drum the individualized article bar segments on the conveying drum in a single row are aligned or arranged transversely one behind the other in the receiving troughs of the conveyor drum.
  • the first return displacement drum when conveying groups with three article rod segments each, the first return displacement drum has an odd number of receiving troughs for the article rod segments and the second return displacement drum has an even number of receiving troughs for the article rod segments, or that when conveying groups with three article rod segments, the first return displacement drum has an even number of article rod segment receiving troughs and the second return displacement drum has an odd number of article rod segment receiving troughs.
  • a development of the method is characterized in that article bar segments arranged one behind the other transversely axially in a single row in the second conveying section and/or article bar segments arranged one behind the other transversely axially in a single row in the third conveying section in the center with respect to the cutting plane of the, preferably exclusively one, cutting device, in particular cutting blade, are or are aligned in the third conveying section.
  • the third conveyor section has at least one conveyor drum which is designed as a cutting drum and on which a cutting knife for cutting the article bar segments into article bar segment pieces is preferably arranged as the cutting device.
  • the third conveyor section of the conveyor arrangement can have further conveyor drums.
  • the second conveyor section of the conveyor arrangement ends at the conveyor drum arranged upstream of the cutting drum, on which the article bar segments to be delivered to the cutting drum are conveyed in a (single) row transversely one behind the other.
  • the third conveyor section begins when the article bar segments arranged in one row and transversely one behind the other are transferred from a conveyor drum to the cutting drum or to the conveyor drum with the cutting device. It can further be provided that downstream the cutting drum or the cutting device further conveying drums are provided, which convey the cut article rod segments to the feeding device for feeding further smoking article components.
  • the method according to the invention is characterized in that during or during the transfer of rod-shaped articles to be cut from the first conveyor section to the second conveyor section, the transverse axial distance between the rod-shaped articles to be cut and thus also the web speed of the rod-shaped articles changed, i.e. increased or decreased , wherein subsequently during the conveyance of the stick-shaped products (stick-shaped articles, article rod segments, article rod segment pieces) in the second conveyor section and in the third conveyor section, the web speed of the stick-shaped products before being fed to a feed device for feeding (further) smoking article components to those produced in the conveyor arrangement Article rod segment pieces is or remains constant.
  • FIG 1 1 is a schematic representation of a drum machine T, such as a filter tipping machine, by means of which rod-shaped smoking products are manufactured.
  • the drum machine T has several conveying sections FA1, FA2, FA3 with conveying drums, by means of which rod-shaped products are conveyed transversely and axially.
  • the drum machine T has a transfer drum 12, by means of which rod-shaped articles of multiple use length, such as tobacco rod rods or filter rods, are taken over by a rod machine S, indicated schematically.
  • a transfer conveyor (not shown here), such as a so-called spider or push-in drum, is provided for the transfer of the rod-shaped articles of multiple use length conveyed longitudinally in the rod-shaped machine S to the transfer drum 12, so that on the output side of the rod-shaped machine S the rod-shaped articles conveyed in the longitudinal direction in be transferred to a transverse axial conveying direction on the transfer drum 12 .
  • the rod-shaped articles are conveyed on the transfer drum 12 in the transverse axial direction in the receiving troughs with a first transverse axial spacing in a first conveying section FA1.
  • the rod-shaped articles are then transferred from the transfer drum 12 to a subsequent conveyor drum 14 of a second conveyor section FA2.
  • the transverse axial distance between the rod-shaped articles is increased or decreased, so that the rod-shaped articles are decelerated or accelerated in their web speed in the second conveyor section FA2 compared to their web speed in the first conveyor section FA1.
  • the rod-shaped articles are transferred from the conveyor drum 14 to a cutting drum 16 .
  • a cutting device in the form of a plurality of cutting knives 18 is provided on the cutting drum 16 for cutting the multi-length rod-shaped articles into a plurality of article rod segments to cut.
  • the cutting device can exclusively have one or more cutting knives 18 .
  • two cutting knives 18 are provided in order to cut the rod-shaped articles into three article rod segments of equal length or in groups with three article rod segments of equal length.
  • the groups of article bar segments in the second conveyor section FA2 are conveyed on the cutting drum 16 with the same transverse axial spacing as the bar-shaped articles on the conveyor drum 14 in the second conveyor section FA2.
  • the groups of article rod segments are transferred to a subsequent conveyor drum 20 .
  • a first return shifting drum 22 and a second return shifting drum 24 are arranged on the conveyor drum 20 in order to separate and rearrange the article bar segments of the respective groups of article bar segments in order to form a series of article bar segments arranged transversely axially one behind the other in the receiving troughs of the conveyor drum 20 (cf figure 2 and figure 3 ).
  • the transverse axial spacing of the isolated article bar segments of the row corresponds to half or a third of the transverse axial spacing of the rod-shaped articles conveyed in the second conveying section FA2, if by means of a Cutting knife 18 or by means of two cutting knives 18, the rod-shaped articles are cut into two or three article rod segments.
  • the rearrangement and formation of the row of article bar segments on conveyor drum 20 is described below with reference to FIG figures 2 and 3 explained (see below).
  • the row of article bar segments formed on the conveyor drum 20 is formed in such a way that the article bar segments are arranged in the receiving troughs of the conveyor drum 20 in a staggered manner, ie with an offset in the longitudinal-axial direction, and one behind the other transversely (cf figure 2 and figure 3 ).
  • the article bar segments are transferred from the conveyor drum 20 to the following conveyor drum 26, which is preferably designed as a sliding drum.
  • the isolated article bar segments are shifted longitudinally and aligned so that the article bar segments are arranged on the conveyor drum 26 in a single row of article bar segments arranged one behind the other transversely axially.
  • the article bar segments arranged in a single row are then transferred from the conveyor drum 26 to the subsequent conveyor drum 28 in the second conveyor section FA2.
  • the article bar segments are conveyed on the conveyor drums 26, 28 with the same transverse axial distance, which is the product of the transverse axial distance of the article bar segments in the second conveyor section FA2 multiplied by the reciprocal of the number of Article bar segments corresponding to groups of article bar segments.
  • the article bar segments are transferred from the conveyor drum 28 to a subsequent cutting drum 30 in which a cutting blade 32 is arranged in order to cut the aligned article bar segments arranged in a single row one behind the other in the middle so that two article bar segment pieces are formed from the article bar segments.
  • the cut groups of article bar segment pieces are transferred to a subsequent conveyor drum 34 on which the cut article bar segments are fed in pairs and subsequently conveyed to and transferred to an assembly drum 36 .
  • the drum machine T has a feed device Z for feeding (additional) rod-shaped article rod segments or products that are conveyed to the collating drum 36, so that rod-shaped smoking products that are subsequently wrapped with a wrapping material strip are produced on the collating drum 36.
  • the article rod segment groups 100 are conveyed transversely axially in the direction of the rotating return displacement drums 22, with the return displacement drum 22 receiving the article rod segment 101 in the receiving troughs of the return displacement drum 22 and then in a free receiving trough of the conveyor drum 20 behind the Receiving trough of the conveyor drum 20, in which an article rod segment group 100 is arranged, arranged.
  • a group reduced by the article bar segment 101 with the article bar segments 102, 103 and an article bar segment 101 arranged at a transverse axial distance behind them are conveyed in the direction of the second return displacement drum 24.
  • the first return displacement drum 22 has an odd number of receiving troughs for the article bar segments 101.
  • the second return displacement drum 24 has an even number of receiving troughs for the article bar segments 103 .
  • the article bar segment 101 is taken over from the conveyor drum 20 by means of the return displacement drum 22 and then arranged in a free receiving trough of the conveyor drum 20 behind the article bar segment 101, which remains on the conveyor drum 20.
  • the separated article bar segments 101, 102 are then conveyed to the second return displacement drum 24, the article bar segments 102 being introduced into a free receiving trough of the conveyor drum 20 by means of the return displacement drum 24.
  • the article bar segments 101, 102 are arranged on the conveyor drum 20 at equal intervals in the transverse axial direction.
  • the transverse axial spacing of the individual article bar segments 101, 102 corresponds to half the transverse axial spacing of the article bar segment group 100 on the cutting drum 16 and on the conveyor drum 20.
  • the respective article bar segment 103 is received in the receiving troughs of the return conveyor drum 24 by means of the return shifting drum 24 and is displaced in the longitudinal axial direction during the return to the conveyor drum 20 and arranged in a free receiving trough of the conveyor drum 20 , so that after the return of the isolated article bar segments 103 to the conveyor drum 20, the article bar segments 101, 102, 103 are arranged one behind the other in a single row.
  • the single rows of article bar segments 101, 102, 103 arranged one behind the other are then transferred to the subsequent cutting drum 30, so that a central cut through the article bar segments 101, 102, 103 cuts article bar segment pieces from the article bar segments.
  • the embodiment in 6 is the difference to the embodiment in 3 in that the article bar segments 101 and the article bar segments 102 on the respective return displacement drums 22 or 24 are displaced in the longitudinal axial direction during their conveyance on the return displacement drums 22 or 24, so that after the respective article bar segments 101, 102 have been returned, they are centered with respect to the cutting planes of the cutting knife 32 on the cutting drum 30 are aligned.
  • the transverse axial distance between the article bar segments 101, 102 before the transfer of the article bar segments 101, 102 arranged one behind the other in a single row to the cutting drum 30 is equidistant.
  • the return offset drums 22, 24 each have an odd number of article bar segment receiving troughs 101, 102.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Claims (8)

  1. Procédé de fabrication de produits à fumer en forme de tige sur une machine à tambour (T) de l'industrie de transformation du tabac, dans lequel des articles en forme de tige de l'industrie de transformation du tabac sont disposés les uns derrière les autres dans des cavités de réception de tambours de transport rotatifs (12, 14, 16, 20, 22, 24, 26, 28, 30, 34) d'un dispositif de transport pour le transport transversal d'articles en forme de tige et sont transportés par rotation du tambour de transport dans une direction de transport d'axe transversal, et les articles en forme de tige étant transférés, dans une zone de transfert respective entre deux tambours de transport, d'un tambour de transport délivrant des articles à un tambour de transport recevant des articles, les articles en forme de tige étant, dans une première section de transport (FA1), transportés transversalement sur au moins un tambour de transport (12) avec un premier espacement transversal constant entre les articles en forme de tige, les articles en forme de tige transportés transversalement dans la première section de transport (FA1) étant ensuite transportés dans une deuxième section de transport (FA2) conçue avec un premier dispositif de coupe (18), l'espacement transversal entre les articles en forme de tige étant augmenté ou diminué lors du transfert des articles en forme de tige de la première section de transport (FA1) à la deuxième section de transport (FA2) ou après ce transfert ; dans la deuxième section de transport (FA2), les articles en forme de tige sont coupés en plusieurs, en particulier deux ou trois, segments de tige d'articles (101, 102, 103) au moyen du premier dispositif de coupe (18) de la deuxième section de transport (FA2) et, après la coupe des articles en forme de tige en segments de tige d'articles (101, 102, 103), les segments de tige d'articles (101, 102, 103) sont assemblés dans la deuxième section de transport (FA2) en une rangée, de préférence une seule rangée, de segments de tige d'articles (101, 102, 103) disposés les uns derrière les autres dans la direction transversale, l'espacement transversal constant des segments de tige d'articles (101, 102, 103) de la rangée formée de segments de tige d'articles (101, 102, 103) correspondant à une partie ou à une fraction de l'espacement transversal des articles en forme de tige transportés dans la deuxième section de transport (FA2), l'espacement transversal des segments de tige d'articles (101, 102, 103) de la rangée formée dans la deuxième section de transport (FA2) étant déterminé par le produit de l'espacement transversal des articles en forme de tige dans la deuxième section de transport (FA2) multiplié par l'inverse du nombre de segments de tige d'articles (101, 102, 103) respectivement découpés à partir des articles en forme de tige, et, ensuite, les segments de tige d'articles (101, 102, 103), de préférence disposés transversalement sur une seule rangée, les uns derrière les autres, sont transférés de la deuxième section de transport (FA2) à une troisième section de transport (FA3) conçue avec un deuxième dispositif de coupe (32), les segments de tige d'article (101, 102, 103) étant chacun coupés dans la troisième section de transport (FA3) en plusieurs, en particulier deux, morceaux de segment de tige d'article, de préférence au centre, les segments de tige d'article (101, 102, 103) et les morceaux de segment de tige d'article étant transportés dans la troisième section de transport (FA3) avec un espacement transversal constant, qui correspond à l'espacement transversal des segments de tige d'article (101, 102, 103) de la rangée formée, de préférence une seule rangée, de segments de tige d'article (101, 102, 103) dans la deuxième section de transport (FA2), et ensuite les morceaux de segment de tige d'article sont transportés avec le même espacement transversal constant vers un dispositif d'alimentation (Z) pour alimenter en composants d'article à fumer les morceaux de segment de tige d'article transportés par les tambours de transport.
  2. Procédé selon la revendication 1, caractérisé en ce que, dans la deuxième section de transport (FA2), les articles en forme de tige sont chacun coupés en trois segments de tige d'article (101, 102, 103) et les segments de tige d'article (101, 102, 103) de la rangée formée, disposés transversalement les uns derrière les autres, sont transportés avec un espacement transversal qui correspond à un tiers de l'espacement transversal des articles en forme de tige transportés dans la deuxième section de transport (FA2) avant d'être coupés au moyen du premier dispositif de coupe (18) de la deuxième section de transport (FA2), ou, dans la deuxième section de transport (FA2), les articles en forme de tige sont chacun coupés en deux segments de tige d'articles (101, 102, 103) et les segments de tige d'articles (101, 102, 103) de la rangée formée, disposés transversalement l'un derrière l'autre, sont transportés avec un espacement transversal qui correspond à la moitié de l'espacement transversal des articles en forme de tige transportés dans la deuxième section de transport (FA2) avant la coupe par le premier dispositif de coupe (18) de la deuxième section de transport (FA2).
  3. Procédé selon la revendication 1 ou la revendication 2, caractérisé en ce que, dans la deuxième section de transport (FA2), les articles en forme de tige sont chacun coupés en groupes de segments de tige d'article (101, 102, 103) sur un tambour de coupe (16) au moyen du premier dispositif de coupe (18), les groupes de segments de tige d'article (101, 102, 103) étant transportés sur le tambour de coupe (16) de la deuxième section de transport (FA2) avec le même espacement transversal, qui correspond à l'espacement transversal des articles en forme de tige avant la coupe, et les groupes de segments de tige d'article (101, 102, 103) sont ensuite transférés sur un tambour de transport (20) suivant de la deuxième section de transport (FA2), un premier tambour décalé de retour (22) et un deuxième tambour décalé de retour (24) étant agencés au niveau du tambour de transport (20) par rapport à la direction de transport des segments de tige d'article (101, 102, 103), un premier segment de tige d'article (101) du groupe (100) de segments de tige d'article (101, 102, 103) étant respectivement transféré du tambour de transport (20) au premier tambour décalé de retour (22) par rapport à la direction de transport des groupes (100) de segments de tige d'article (101, 102, 103), 103), et chaque segment de tige d'article (101) renvoyé du premier tambour décalé de retour (22) au tambour de transport (20) est déposé dans une cavité de réception libre du tambour de transport (20), et ensuite chaque deuxième segment de tige d'article (101, 102) du groupe (100) de segments de tige d'article (101, 102, 103) est transféré du tambour de transport (20) au deuxième tambour décalé de retour (24), et chaque segment de tige d'article (103, 102) renvoyé par le deuxième tambour décalé de retour (24) au tambour de transport (20) est transféré dans une cavité de réception libre du tambour de transport (20) ; après la disposition des segments de tige d'article (101, 102, 103) transportés par le premier tambour décalé de retour (22) et le deuxième tambour décalé de retour (24) dans des cavités de réception libres du tambour de transport (20), les segments de tige d'article (101, 102, 103) sont disposés sur le tambour de transport (20) de manière individuelle et, par rapport à la direction de transport, transversalement les uns derrière les autres et avec le même espacement transversal dans les cavités de réception du tambour de transport (20) ; l'espacement transversal constant des segments de tige d'articles (101, 102, 103) des segments de tige d'articles (101, 102, 103) disposés les uns derrière les autres dans la direction transversale correspond à la partie ou à la fraction de l'espacement transversal des articles en forme de tige transportés dans la deuxième section de transport (FA2).
  4. Procédé selon la revendication 3, caractérisé en ce que les segments d'article en forme de tige (101, 102, 103) séparés et disposés transversalement les uns derrière les autres sont transférés du tambour de transport (20) à un tambour coulissant (26) suivant de la deuxième section de transport (FA2) et les segments d'article en forme de tige (101, 102, 103) sont déplacés sur le tambour coulissant (26) et sont orientés de telle sorte qu'une rangée unique de segments de tiges d'articles (101, 102, 103) disposés transversalement les uns derrière les autres est ou sera formée sur le tambour coulissant (26).
  5. Procédé selon la revendication 3, caractérisé en ce que les segments de tige d'article (101, 102, 103) sont déplacés longitudinalement pendant leur transport sur le premier tambour décalé de retour (22) et les segments de tige d'article (101, 102, 103) sont déplacés longitudinalement pendant leur transport sur le deuxième tambour décalé de retour (24) et, après le retour des segments de tige d'article (101, 102, 103) déplacés longitudinalement du premier tambour décalé de retour (22) et du deuxième tambour décalé de retour (24), les segments de tige d'articles individualisés (101, 102, 103) sont alignés ou disposés sur le tambour de transport (20) en une seule rangée, transversalement les uns derrière les autres, dans les cavités de réception du tambour de transport (20).
  6. Procédé selon l'une des revendications 3 à 5, caractérisé en ce que, lors du transport de groupes (100) comprenant chacun trois segments de tiges d'articles (101, 102, 103), l'un des deux tambours décalés de retour (22, 24) présente un nombre de cavités de réception pour les segments de tiges d'articles (101, 102, 103) qui est égal à la somme d'un multiple entier de 3 et du nombre 1 (3×n + 1 ; n = 1, 2, 3,.... ), et l'autre des deux tambours décalés de retour (22, 24) présente un nombre de cavités de réception pour les segments de tige d'article (101, 102, 103) qui correspond à la différence entre un multiple entier de 3 et le nombre 1 (3×m - 1 ; m = 1, 2, 3, ...), ou en ce que, lors du transport de groupes (100) comportant chacun deux segments de tige d'article (101, 102), le premier tambour décalé de retour (22) présente un nombre impair de cavités de réception pour les segments de tige d'article (101, 102, 103) et le deuxième tambour décalé de retour (24) présente un nombre impair de cavités de réception pour les segments de tige d'article (101, 102, 103).
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce que des segments de tiges d'articles (101, 102, 103) disposés en une rangée transversalement les uns derrière les autres dans la deuxième section de transport (FA2) et/ou des segments de tiges d'articles (101, 102, 103) disposés en une rangée transversalement les uns derrière les autres dans la troisième section de transport (FA3) sont ou seront orientés au centre par rapport au plan de coupe du dispositif de coupe (32), de préférence exclusivement une lame de coupe (32), en particulier des lames de coupe (32), dans la troisième section de transport (FA3).
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que, au moyen d'un dispositif de transfert disposé en amont dudit au moins un tambour de transport (12) de la première section de transport (FA1), des articles en forme de tige transportés selon l'axe longitudinal, de préférence par une machine de fabrication de tige (S), sont transférés audit au moins un tambour de transport (12) de la première section de transport (FA1) transportant selon l'axe transversal.
EP20153317.1A 2019-01-28 2020-01-23 Fabrication d'articles à fumer en forme de tige Active EP3685684B1 (fr)

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CN111480878B (zh) 2023-03-21

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