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EP3556228B2 - Machine et procédé pour le traitement d'une bande de matériau pour l'industrie du tabac - Google Patents
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EP3556228B2 - Machine et procédé pour le traitement d'une bande de matériau pour l'industrie du tabac - Google Patents

Machine et procédé pour le traitement d'une bande de matériau pour l'industrie du tabac

Info

Publication number
EP3556228B2
EP3556228B2 EP19168335.8A EP19168335A EP3556228B2 EP 3556228 B2 EP3556228 B2 EP 3556228B2 EP 19168335 A EP19168335 A EP 19168335A EP 3556228 B2 EP3556228 B2 EP 3556228B2
Authority
EP
European Patent Office
Prior art keywords
web
along
machine
feed path
processing
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
EP19168335.8A
Other languages
German (de)
English (en)
Other versions
EP3556228A1 (fr
EP3556228B1 (fr
Inventor
Giuliano Gamberini
Nicola Baldanza
Marco Esposti
Massimo Sartoni
Luca Federici
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD SpA
Original Assignee
GD SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=62875177&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3556228(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GD SpA filed Critical GD SpA
Publication of EP3556228A1 publication Critical patent/EP3556228A1/fr
Application granted granted Critical
Publication of EP3556228B1 publication Critical patent/EP3556228B1/fr
Publication of EP3556228B2 publication Critical patent/EP3556228B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/14—Accumulating surplus web for advancing to machine while changing the web roll
    • 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
    • A24C5/20—Reels; Supports for bobbins; Other accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/34—Suction grippers
    • B65H2406/343—Details of sucking member
    • B65H2406/3432—Elongated sucking member; Sucking bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/217—Accumulators of rollers type, e.g. with at least one fixed and one movable roller
    • B65H2408/2171—Accumulators of rollers type, e.g. with at least one fixed and one movable roller the position of the movable roller(s), i.e. the web loop, being positively actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/54—Cigarette making

Definitions

  • This invention relates to a machine and a method for processing a web of material for the tobacco industry.
  • the invention addresses the processing of webs of material for the tobacco industry, such as, for example: tobacco, wrapping material, paper, filter material (e.g., PLA) etc.
  • the webs are typically wound in rolls which are unwound to feed the webs along a feed path on which suitable guide means and/or transfer means and/or processing units are located to allow processing the web to make semi-finished products used in the production of articles for the tobacco industry.
  • articles for the tobacco industry is used generally to denote rod-shaped articles such as, for example: cigarettes (traditional or heat not burn), cigars, cigarillos and the like.
  • the invention is applicable in particular to machines for processing webs of wrapping material or webs of tobacco, for example, of pre-treated, reconstituted or homogenized tobacco supplied in rolls.
  • Processing the webs may include, for example, cutting the web transversely or longitudinally.
  • Processing the web involves initially loading the web of material to start the production process.
  • the web is typically supplied in rolls from which the web must be unrolled to make the web follow a predetermined feed path by way of a plurality of rollers, guide means, transfer means and other processing devices.
  • the web is unwound and fed automatically and uninterruptedly from the roll along the feed path.
  • the web tears or is irreversibly damaged In such situations, the machine process is necessarily brought to a stop to allow the operator to identify the zone where the web has been torn or damaged and to feed the web manually along the feed path again, downstream of that zone and all the way to the processing zone.
  • the operator may also need to cut off a damaged or torn portion of the web before re-threading and guiding the web along the means/rollers/devices defining the stretch of the feed path downstream of the zone where the web was torn or damaged and all the way to the processing zone.
  • This kind of machines can be found in US4646986 .
  • the technical purpose which forms the basis of this invention is to propose a machine and a method for processing a web of material for the tobacco industry to overcome one or more of the above mentioned drawbacks of the prior art.
  • the aim of this invention is to provide a machine for processing a web of material for the tobacco industry which allows the operations of guiding / accompanying / threading the web along the feed path to the processing unit more rapidly and precisely.
  • Another aim of this invention is to provide a method for processing a web of material for the tobacco industry which allows improving the efficiency of the production process, reducing maintenance times and the time needed for initially threading the web along the feed path, that is to say, for loading the web for the first time.
  • this invention provides a machine for processing a web of material for the tobacco industry, comprising an unwinding unit for unwinding a web of material for the tobacco industry along a feed path "P" and a web processing unit located downstream of the unwinding unit along the feed path "P" and configured to receive and process the web.
  • the machine also comprises a guide mechanism comprising a retaining device configured to retain an end portion of the web.
  • the guide mechanism is configured to automatically guide the end portion along at least one stretch of the feed path in such a way as to dispose the web in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of the processing unit.
  • a movable guide mechanism makes it possible to guide the web automatically along the feed path "P" at any point of the feed path "P” and starting from any point of the feed path "P" itself.
  • the retaining device is capable of automatically holding and guiding the end portion of the web along the entire feed path "P" (full round of web) or only a part of it (the stretch of the feed path "P" remaining to reach at least the processing unit).
  • the invention also provides a method for processing a web of material for the tobacco industry, comprising a step of unwinding a web of material for the tobacco industry along a feed path "P" and a step of processing the web along the feed path "P".
  • the method also comprises a step of retaining an end portion of the web and automatically guiding that end portion along at least one stretch of the feed path "P" in such a way as to dispose the web in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of a processing unit of a machine for processing a web of material for the tobacco industry, preferably a machine according to this invention.
  • machine 1 denotes in its entirety a machine for processing a web of material for the tobacco industry, hereinafter referred to simply as machine 1.
  • the machine 1 comprises an unwinding unit 10 for unwinding a web 2 of material for the tobacco industry along a feed path "P".
  • the unwinding unit 10 comprises at least one roll 11 of web 2 mounted on a roll holder device 12 according to known technology.
  • the machine 1 comprises a unit 20 for processing the web 2, located downstream of the unwinding unit 10 along the feed path "P" and configured to receive and process the web 2.
  • the processing unit 20 operates continuously on the web 2.
  • the processing unit 20 preferably comprises a crimping device 21 for crimping the web 2.
  • the processing unit may comprise cutting devices, not illustrated, for cutting the web 2 longitudinally or for cutting the web 2 transversely.
  • the feed path "P" of the web 2 starts at an infeed section 13 of the unwinding unit 10, where the web 2 is unwound from the roll 11, and terminates at an outfeed section 22 of the processing unit, after the web 2 has been processed.
  • a buffer 30, configured to define a reservoir/storage unit of the web 2 unwound from the unwinding unit 10, is interposed between the unwinding unit 10 and the processing unit 20 along the feed path "P".
  • the buffer 30 makes it possible for production to continue in the event of a shutdown in the unwinding unit 10 or in the processing unit 20, for example to carry out maintenance or to change the roll 11.
  • the buffer 30 comprises a plurality of fixed transfer rollers 31 and a plurality of movable transfer rollers 32 mounted on a lift/lower device 33.
  • the machine 1 also comprises a guide mechanism 40, which in turn comprises a retaining device 41 configured to hold an end portion 2a of the web 2 and to automatically guide the end portion 2a along at least one stretch of the feed path "P" in such a way as to dispose the web 2 in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of the processing unit 20.
  • a guide mechanism 40 which in turn comprises a retaining device 41 configured to hold an end portion 2a of the web 2 and to automatically guide the end portion 2a along at least one stretch of the feed path "P" in such a way as to dispose the web 2 in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of the processing unit 20.
  • the retaining device 41 transports the end portion 2a of the web 2 (while holding it) and automatically guides it along the feed path "P" to allow the web 2 to be disposed precisely and rapidly in abutment against and/or partly wrapped round the guiding and/or transferring and/or processing means of the processing unit 20.
  • the guide mechanism 40 allows performing initial threading (round of web).
  • the guide mechanism 40 thus automates the work that was previously done by the operator in prior art machines and makes the process faster and more efficient.
  • the movements of the guide mechanism 40 can thus be advantageously programmed according to a preset logic enabling the guide mechanism to dispose the retaining device 41 at a position where it grips the end portion 2a of the web 2 and drags it along the feed path "P".
  • the retaining device 41 is able to dispose the web 2 in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of the processing unit 20.
  • the machine 1 preferably comprises movement means 50 configured to move the guide mechanism 40.
  • the movement means 50 comprise a guide 51 disposed along a trajectory "T" and at least one actuator 52 configured to move the guide mechanism 40 along the guide 51.
  • the actuator 52 is mounted on the guide mechanism 40, for example by means of a rack and pinion system, or on the guide 51, for example by means of a belt system.
  • the guide mechanism 40 preferably comprises a carriage 42 which is movable along the guide 51 (that is, along the trajectory "T") and at least one arm 43 mounted on the carriage 42 by means of a coupling 44 defining at least one degree of freedom to rotate about a first axis of rotation "X".
  • the retaining device 41 is mounted on the arm 43.
  • the guide mechanism 40 preferably comprises an arm 43 defining a single rigid member extending between the coupling 44 and the retaining device 41 and the retaining device 41 is mounted at a free end of the arm 43, opposite to the coupling.
  • the presence of a single arm 43 simplifies the structure of the guide mechanism 40 and defines a structurally simple element which makes it easier to construct, drive and adjust the guide mechanism 40.
  • the guide mechanism 40 might, however, comprise more than one arm 43: for example a guide mechanism defined by an arm-coupling sequence.
  • the first axis of rotation "X" is perpendicular to the trajectory "T" (that is, to the guide 51) and, still more preferably, horizontal.
  • the arm 43 can rotate about the coupling 44 so that, in practice, it can move the retaining device 41 towards or away from the feed path "P" in such a way as to allow guiding the web 2.
  • the arm 43 can be rotated to a retracted position (illustrated in Figure 2 ) where it does not interfere with the units 10 and 20 as the web 2 moves along the feed path "P".
  • the trajectory "T” is rectilinear and preferably horizontal; preferably, also, the trajectory "T” lies above the feed path "P".
  • the guide 51 is mounted above the units 10 and 20 and the carriage 42 of the guide mechanism 40 is slidable along the guide 51 to move the retaining device 41 horizontally so that it can reach any point of the feed path "P" thanks to the rotation of the arm 43 which allows vertically adjusting the position of the retaining device 41.
  • the arm is thus rotatable between the trajectory "T" (that is, the guide 51) and the feed path "P".
  • the machine 1 comprises a vertical supporting wall 1a to which the unwinding unit 10, the processing unit 20 and, preferably, the buffer 30 are cantilevered, and the feed path "P" lies substantially in a first position plane parallel to the vertical supporting wall 1a at a first distance from the vertical supporting wall 1a, and the trajectory "T" (that is, the guide 51) lies in a second position plane parallel to the vertical supporting wall 1a at a second distance from the vertical supporting wall 1a, greater than the first distance.
  • the guide mechanism 40 can advantageously be translated along the guide 51 and the arm 43 can rotate about the first axis of rotation "X" in a vertical plane parallel to the vertical supporting wall 1a to move the retaining device 41 towards or away from guide and/or transfer and/or processing means of the unwinding unit 10 and/or of the processing unit 20 and/or of the buffer 30.
  • the retaining device 41 comprises a gripper 41a (as illustrated in Figure 3 ) or a pneumatic suction device, to hold the web 2.
  • the retaining device 41 extends transversely to the arm 43 and, still more preferably, perpendicularly. More specifically, the retaining device 41 extends transversely to the arm 43 towards the vertical supporting wall 1a.
  • the movement means 50 might comprise two guides 51 and, slidable thereon, respective carriages 42 associated with respective arms 43, at the free ends of which a single retaining device 41, is mounted.
  • the two arms 43 are configured in such a way as to move the retaining device 41 along the feed path "P".
  • the machine 1 preferably comprises detecting means, not illustrated in the accompanying drawings, configured to detect a change in the tension of the web 2 along the feed path "P" and/or the integrity of the web 2 along the feed path "P", compared to predetermined reference values.
  • the detecting means are preferably sensors associated with the guide and/or transfer and/or processing means of the unwinding unit 10 and/or of the processing unit 20.
  • the machine 1 preferably also comprises a control and drive unit, not illustrated, connected to the detecting means and configured to selectively drive the guide mechanism 40 when the change in the tension of the web 2 along the feed path "P" and/or the integrity of the web 2 along the feed path "P" does not fall within predetermined criteria of acceptability.
  • a control and drive unit not illustrated, connected to the detecting means and configured to selectively drive the guide mechanism 40 when the change in the tension of the web 2 along the feed path "P" and/or the integrity of the web 2 along the feed path "P" does not fall within predetermined criteria of acceptability.
  • the machine 1 is advantageously able to detect faults in the unwinding system of the web 2 and to take action on the guide mechanism 40 accordingly.
  • the machine 1 preferably also comprises a cutting device which is selectively activable by the control and drive unit and which is configured to cut the web 2 transversely in a zone of the web 2 where the change of tension was detected.
  • the retaining device 41 comprises the cutting device.
  • this invention also provides a method for processing a web of material for the tobacco industry, comprising a step of unwinding the web 2 of material for the tobacco industry along the feed path "P" and a step of processing the web along the feed path "P".
  • the method also comprises a step of retaining an end portion of the web and automatically guiding that end portion along at least one stretch of the feed path "P" in such a way as to dispose the web in abutment against and/or partly wrapped round guiding and/or transferring and/or processing means of a processing unit of a machine for processing a web 2 of material for the tobacco industry, preferably a machine 1 according to this invention.
  • the step of retaining and guiding the web 2 is accomplished by retaining the end portion 2a of the web 2 mechanically or by pneumatic suction.
  • the method comprises a step of automatically moving a retaining device 41 of the guide mechanism 40, configured to retain the end portion 2a of the web, towards the end portion 2a of the web 2 in such a way that the retaining device 41 can automatically engage the end portion 2a to implement the step of retaining.
  • the method allows automating the process of initial threading, as well as any other operation on the feed path "P", rapidly and efficiently thanks to the smart system of moving the retaining device 41.
  • a possible alternative embodiment of the method of this invention may comprise a step of an operator manually delivering the end portion 2a of the web to the retaining device 41. That way, the process of initial threading or maintenance operation is carried out semi-automatically; once the operator has delivered the end portion 2a of the web 2 to it, the retaining device 41 can proceed to automatically guiding the web along the feed path "P".
  • the method also comprises a step of detecting a change, if any, in the tension of the web 2 along the feed path "P" and/or the integrity of the web 2 along the feed path "P", compared to predetermined reference values, followed by a step of selectively driving the retaining device 41 to implement the step of retaining, when the value of the change does not meet given acceptability criteria.
  • the method thus allows prompt and precise maintenance action to be taken on the machine 1.
  • the method may also comprise a step of cutting the web 2 transversely in a zone of the web 2 where the change in tension was detected.
  • This invention achieves the preset aims, overcoming the disadvantages of the prior art, by providing a machine and a method for processing a web of material for the tobacco industry, capable of improving the efficiency of the production process by proposing operating solutions ensuring that the web is correctly fed along the feed path, thereby increasing the level of automation while reducing down time and costs.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Manufacture Of Tobacco Products (AREA)

Claims (16)

  1. Machine (1) pour le traitement d'une bande (2) de matériau pour l'industrie du tabac, comprenant :
    - une unité de déroulement (10) pour dérouler une bande (2) de matériau pour l'industrie du tabac le long d'un parcours d'alimentation (P) ;
    - une unité (20) pour le traitement de la bande (2), située en aval de l'unité de déroulement (10) le long du parcours d'alimentation (P) et configurée pour recevoir et traiter la bande (2), l'unité de traitement (20) étant configurée pour fonctionner en continu sur la bande (2) lorsque la bande (2) est déroulée par l'unité de déroulement (10) ;
    - un mécanisme de guidage (40) comprenant un dispositif de retenue (41) configuré pour retenir une partie d'extrémité (2a) de la bande (2), le mécanisme de guidage (40) étant configuré pour guider automatiquement la partie d'extrémité (2a) le long d'au moins une portion du parcours d'alimentation (P) de manière à disposer la bande (2) en butée contre et/ou partiellement enroulée sur des moyens de guidage et/ou de transfert et/ou de traitement de l'unité de traitement (20).
    caractérisée en ce que ladite machine comprend des moyens de déplacement (50) configurés pour déplacer le mécanisme de guidage (40) et comprenant un guide (51) disposé le long d'une trajectoire (T) et au moins un actionneur (52) configuré pour déplacer le mécanisme de guidage (40) le long du guide (51) ; et en ce que le mécanisme de guidage (40) comprend un chariot (42) étant mobile le long du guide (51) et au moins un bras (43) monté sur le chariot (42) au moyen d'un accouplement (44) définissant au moins un degré de liberté pour tourner autour d'un premier axe de rotation (X) ; le dispositif de retenue (41) étant monté sur l'au moins un bras (43).
  2. Machine (1) selon la revendication 1, dans laquelle le mécanisme de guidage (40) comprend un bras (43) définissant un élément rigide individuel se prolongeant entre l'accouplement (44) et le dispositif de retenue (41), et dans laquelle le dispositif de retenue (41) est monté à une extrémité libre du bras (43) opposée à l'accouplement (44).
  3. Machine (1) selon la revendication 1 ou 2, dans laquelle le premier axe de rotation (X) est perpendiculaire à la trajectoire (T) et de préférence horizontal.
  4. Machine (1) selon une ou plusieurs des revendications précédentes, comprenant une paroi de support verticale (1a) à laquelle l'unité de déroulement (10) et l'unité de traitement (20) sont en porte-à-faux, et dans laquelle le parcours d'alimentation (P) repose essentiellement dans un premier plan de position parallèle à la paroi de support verticale (1a) à une première distance de la paroi de support verticale (1a), et dans laquelle la trajectoire (T) repose dans un deuxième plan de position parallèle à la paroi de support verticale (1a) à une deuxième distance de la paroi de support verticale (1a), supérieure à la première distance.
  5. Machine (1) selon une ou plusieurs des revendications précédentes, dans laquelle la trajectoire (T) est rectiligne et de préférence horizontale.
  6. Machine (1) selon une ou plusieurs des revendications précédentes, dans laquelle la trajectoire (T) repose au-dessus du parcours d'alimentation (P).
  7. Machine (1) selon une ou plusieurs des revendications précédentes, dans laquelle le dispositif de retenue (41) comprend un préhenseur (41a) ou une unité d'aspiration pneumatique.
  8. Machine (1) selon une ou plusieurs des revendications précédentes, dans laquelle le dispositif de retenue (41) se prolonge transversalement par rapport à l'au moins un bras (43), de préférence perpendiculairement.
  9. Machine (1) selon une ou plusieurs des revendications précédentes, comprenant :
    - des moyens de détection configurés pour détecter une variation de la tension de la bande (2) le long du parcours d'alimentation (P) et/ou de l'intégrité de la bande (2) le long du parcours d'alimentation (P), par rapport à des valeurs de référence prédéterminées ; et
    - une unité de commande et d'entraînement reliée aux moyens de détection et configurée pour entraîner sélectivement le mécanisme de guidage (40) lorsque la valeur de la variation de tension ne répond pas à des critères d'acceptabilité donnés.
  10. Machine (1) selon la revendication 9, comprenant un dispositif de découpe configuré pour couper la bande transversalement dans une zone de la bande (2) où la variation a été détectée, le dispositif pouvant être sélectivement activé par l'unité de commande et d'entraînement.
  11. Machine (1) selon la revendication 10, dans laquelle le dispositif de retenue (41) comprend le dispositif de découpe.
  12. Procédé de traitement d'une bande de matériau pour l'industrie du tabac, comprenant :
    - une étape consistant à dérouler une bande (2) de matériau pour l'industrie du tabac le long d'un parcours d'alimentation (P) ;
    - une étape de traitement de la bande (2) le long du parcours d'alimentation (P) ;
    - une étape consistant à retenir une partie d'extrémité (2a) de la bande (2) et à guider automatiquement cette partie d'extrémité (2a) le long d'au moins une portion du parcours d'alimentation (P) de manière à disposer la bande (2) en butée contre et/ou partiellement enroulée sur des moyens de guidage et/ou de transfert et/ou de traitement d'une unité de traitement (20) d'une machine (1) de traitement d'une bande (2) de matériau pour l'industrie du tabac, de préférence une machine (1) selon une ou plusieurs des revendications précédentes, l'unité de traitement (20) fonctionnant en continu sur la bande (2) lorsque la bande (2) est déroulée ;
    l'étape de retenue étant effectuée par un mécanisme de guidage (40) comprenant un dispositif de retenue (41) configuré pour retenir une partie d'extrémité (2a) de la bande (2) et par des moyens de déplacement (50) configurés pour déplacer le mécanisme de guidage (40), les moyens de déplacement (50) comprenant un guide (51) disposé le long d'une trajectoire (T) et au moins un actionneur (52) configuré pour déplacer le mécanisme de guidage (40) le long du guide (51) ;
    le mécanisme de guidage (40) comprenant un chariot (42) étant mobile le long du guide (51) et au moins un bras (43) monté sur le chariot (42) au moyen d'un accouplement (44) définissant au moins un degré de liberté pour tourner autour d'un premier axe de rotation (X) ;
    le dispositif de retenue (41) étant monté sur l'au moins un bras (43) .
  13. Procédé selon la revendication 12, dans lequel l'étape de retenue et de guidage de la bande (2) est accomplie en retenant la partie d'extrémité (2a) de la bande (2) mécaniquement ou par aspiration pneumatique.
  14. Procédé selon la revendication 13, dans lequel l'étape de retenue et de guidage est précédée d'une étape de déplacement automatique d'un dispositif de retenue (41) qui est configuré pour retenir la partie d'extrémité (2a) de la bande (2) vers la partie d'extrémité (2a) de la bande (2) de telle sorte que le dispositif de retenue (41) puisse se mettre en prise automatiquement avec la partie d'extrémité (2a) pour mettre en œuvre l'étape de retenue et de guidage.
  15. Procédé selon une ou plusieurs des revendications 12-14, comprenant une étape de détection d'une variation, le cas échéant, de la tension de la bande (2) le long du parcours d'alimentation (P) et/ou de l'intégrité de la bande (2) le long du parcours d'alimentation (P), par rapport à des valeurs de référence prédéterminées, suivie d'une étape d'entraînement sélectif du dispositif de retenue pour mettre en œuvre l'étape de retenue et de guidage, lorsque la valeur de la variation ne satisfait pas des critères d'acceptabilité donnés.
  16. Procédé selon la revendication 15, comprenant une étape consistant à couper la bande (2) transversalement dans une zone de la bande (2) où la variation a été détectée.
EP19168335.8A 2018-04-16 2019-04-10 Machine et procédé pour le traitement d'une bande de matériau pour l'industrie du tabac Active EP3556228B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000004530A IT201800004530A1 (it) 2018-04-16 2018-04-16 Macchina e metodo per la lavorazione di un nastro in materiale per l’industria del tabacco

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EP3556228A1 EP3556228A1 (fr) 2019-10-23
EP3556228B1 EP3556228B1 (fr) 2022-09-07
EP3556228B2 true EP3556228B2 (fr) 2025-10-22

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EP (1) EP3556228B2 (fr)
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Publication number Priority date Publication date Assignee Title
CN111580481B (zh) * 2020-05-21 2021-08-31 四川中烟工业有限责任公司 一种提高梗丝掺配累计精度的方法
DE102023128243A1 (de) * 2023-10-16 2025-04-17 Körber Technologies Gmbh Pufferspeicher für bahnförmiges Flachmaterial der Tabak verarbeitenden Industrie und Verfahren zum Betreiben desselben

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135662A2 (fr) † 1983-09-27 1985-04-03 UNIKAY DISPOSABLES S.r.l. Machine pour l'enroulement de bande de papier sur des noyaux de carton ou analogues
EP0254006A1 (fr) † 1986-07-22 1988-01-27 UNIKAY DISPOSABLES S.r.l. Dispositif pour changer les bobines et pour épisser la bande pour des mécanismes de déroulage de bandes à papier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3344929A1 (de) * 1982-12-27 1984-07-05 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum einfaedeln einer materialbahn in einer verarbeitungsmaschine der tabakverarbeitenden industrie
US4646986A (en) * 1984-11-22 1987-03-03 Hauni-Werke Korber & Co. Kg Apparatus for locating, engaging and transporting the leader of convoluted cigarette paper or the like
IT1246431B (it) 1990-08-06 1994-11-18 Tapematic Spa Dispositivo per afferrare e guidare secondo un percorso prefissato un nastro magnetico avvolto su una bobina in macchine automatiche confezionatrici di cassette a nastro
DE102005028334B4 (de) 2005-06-18 2007-09-13 Koenig & Bauer Aktiengesellschaft Verfahren zur Regelung der Bahnspannung
DE102005045041B3 (de) 2005-09-21 2007-02-01 Koenig & Bauer Ag Vorrichtung und ein Verfahren zur Verwendung einer Vorrichtung zum Einziehen mindestens einer Materialbahn bzw. mindestens eines Bahnstrangs in einen Falzapparat
DE102005063337A1 (de) 2005-09-21 2007-04-12 Koenig & Bauer Ag Verfahren zum vollautomatischen Einzug einer Materialbahn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0135662A2 (fr) † 1983-09-27 1985-04-03 UNIKAY DISPOSABLES S.r.l. Machine pour l'enroulement de bande de papier sur des noyaux de carton ou analogues
EP0254006A1 (fr) † 1986-07-22 1988-01-27 UNIKAY DISPOSABLES S.r.l. Dispositif pour changer les bobines et pour épisser la bande pour des mécanismes de déroulage de bandes à papier

Also Published As

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PL3556228T5 (pl) 2025-12-22
EP3556228A1 (fr) 2019-10-23
PL3556228T3 (pl) 2022-12-05
EP3556228B1 (fr) 2022-09-07
IT201800004530A1 (it) 2019-10-16

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