EP3375302B1 - Système et procédé de réalisation d'au moins deux faisceaux de fibres dans une machine de filage de l'industrie du tabac - Google Patents

Système et procédé de réalisation d'au moins deux faisceaux de fibres dans une machine de filage de l'industrie du tabac Download PDF

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Publication number
EP3375302B1
EP3375302B1 EP17000447.7A EP17000447A EP3375302B1 EP 3375302 B1 EP3375302 B1 EP 3375302B1 EP 17000447 A EP17000447 A EP 17000447A EP 3375302 B1 EP3375302 B1 EP 3375302B1
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EP
European Patent Office
Prior art keywords
flaps
bulking
tobacco
around
chute
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EP17000447.7A
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German (de)
English (en)
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EP3375302A1 (fr
Inventor
Frank Grothaus
Karsten Eckert
Martin Baumann
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Koerber Technologies GmbH
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Hauni Maschinenbau GmbH
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Priority to EP17000447.7A priority Critical patent/EP3375302B1/fr
Publication of EP3375302A1 publication Critical patent/EP3375302A1/fr
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    • 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
    • A24C5/18—Forming the rod
    • A24C5/1835—Multiple rod making 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

Definitions

  • the concept of supplying and filling two storage bays with a common supply is already disclosed, in that the supply for obtaining strand-like homogeneous tobacco strands can be selectively and intermittently associated with each of the two storage bays. For this purpose, between the output side end of the feed and the input ends of the two adjacent storage chutes back and forth movable flaps connected.
  • the EP 1 364 588 A1 thus, a person skilled in the art already has the concept of influencing filling and the current filling level of each of the two storage ducts in two respects, in contrast to a "flap-free" arrangement.
  • a "flap-free" arrangement in which the output of the feed opens over or into the input area of the storage shaft, it is customary to monitor the filling and filling level by a light barrier arrangement mounted on the storage shaft and to increase the quantity of tobacco supplied depending on the currently determined filling level to reduce or maintain.
  • the EP 1 364 588 A1 in its paragraph 0010 also states that Fig. 4 of the DE 32 09 195 C2 which in turn discloses the usual level monitoring means and the usual Stassenacht Scholl Bonnenregelung.
  • the EP 1 364 588 A1 on the EP 1 174 046 A2 which in turn, in its paragraph 0040 it as usual measure disclosed to monitor the level in a stowage by means of light barriers and to keep the level constant by a corresponding driving an upward conveyor of tobacco fibers or at a desired level.
  • the EP 1 364 588 A1 also shows a further embodiment (local paragraph 0059, Fig. 10).
  • the EP 1 364 588 provides to feed the two storage bays with a predeterminable loading frequency, after which the flaps so get a fixed on a unit of time or a number produced cigarettes number of switching operations fixed, or a fixed predetermined dwell time over the respective Stumbleacht.
  • any differences in the respective, current discharge chute filling height from a minimum and / or maximum value or an average, which may be established and which can be ascertained via the usual level monitoring means, are then processed in the usual way - as in the EP 1 364 588 A1 disclosed and given to the skilled person - balanced, either with one of the two control measures or their combination.
  • the corresponding feed conveyor is raised or lowered to the supply line in its conveying capacity in a conventional manner, as is currently required, without any influence on the loading frequency or a regulation of the flaps, which determines their rhythm - as determined by the predetermined loading frequency - maintained.
  • EP 2 739 168 are independently controllable flaps for filling angled transport channels known. Through the channels no loose tobacco material is promoted, but rod-shaped article.
  • EP 2 334 727 a pneumatic feeding device for loose tobacco material is described. Loose independently mounted flaps are used, which are not externally operable, but deflect themselves.
  • Object of the present invention is to provide an arrangement according to the preamble of claim 1 and a method according to the preamble of claim 9, with which or with which a rapid change in the supply of fibers between the two storage bays is guaranteed.
  • the flaps are arranged so movable and each externally operable, that the flaps can be brought both into a position for forming a parallel channel and in an at least temporary position for forming an at least partially converging and / or diverging channel, can ensures reliable filling of each storage can and both flaps can be adjusted independently.
  • the desired changes can be made reliably and quickly. They can be initiated early with reduced moments of inertia and thus accelerated and / or prepared.
  • This allows a very wide variety of movement patterns as well as adjustments of the flaps as a pair, but also individually in each case in a simple manner, and provides extensive possibilities of adaptation to different operating states and fiber types. Even after a prolonged operation possibly resulting inaccuracies in positioning the flaps can be by the relative positioning of the flaps to each other, whether in the respective rest position and / or be it during their respective pivoting movement. A permanent trouble-free operation is thus possible.
  • the flaps are preferably arranged in such a way the storage shafts that they each - or at least one flap - with their free, the respective pivot axis opposite end in the transport direction of the fibers are oriented. As a result, a run-up of fibers on the free end of a flap is avoided and achieved a steady self-cleaning effect. On the other hand, if one or both flaps are oriented with their free end directed counter to the transport direction of the fibers, cleaning should be provided from time to time or in the event of a fault, for example by moving the flaps apart and / or shaking them.
  • the flaps can always be collision-free be reliably brought into their respective position to each other, for example, to fill the storage bays or on their way to a filling position.
  • any or at least one flap in the initial region of the pivoting path after the beginning and / or in the end of the pivoting section before the end of their pivoting along the pivoting path has a lower speed than in the range of about one quarter to about three quarters, preferably from about one third to about two thirds, more preferably about half of the pivoting distance, the starting and / or stopping the swipe movement gentle material and passing the separation area between the two storage chutes performed accelerated become. Quasi "soft" landings occur when reaching the new positions and an optimal short “driving through" the transition area between the two storage bays along the respective pivoting distance.
  • Klappumschaltfrequenzen can be made dependent on the speed of a suction belt and / or a format band, in particular regulated, in particular strandwise.
  • the flaps can be brought into a closed position. In this way, the fiber material remains ready to start again in the distributor.
  • flaps are unevenly accelerated and / or unevenly decoupled, extensive path-time sequences of motion for each or at least one flap can be predetermined, and an optimization to the respective operating conditions and / or the respective fiber material can be undertaken.
  • the flaps are provided with a fixed predefinable or variably controllable dwell time over the respective stowage shaft, a simple control can be realized, in the form of the usual stowage charge control (see introduction to the description) or in the form of a control with a largely constant or variably controllable delivery quota a feed conveyor, such as a steep conveyor, a largely horizontally oriented belt conveyor and / or feed rollers and an appropriate premature or delayed adjustment of the two flaps.
  • Any "dead times" by a downstream of a feeder and the storage chutes upstream organ, such as a classifier, zig-zag classifier can be taken into account in the scheme, according to which a delayed behavior can be compensated.
  • the residence time over the respective stowage time is advantageously 0.1-5 seconds, preferably 0.3-4 seconds, particularly preferably 0.5-3 seconds.
  • a cycle for supplying or filling two storage slots is twice the duration, eg 2 seconds, after which the flaps return to their original position.
  • the flaps are each provided with a desired speed, acceleration, deceleration, and / or a desired path-time curve, then there is a multiplicity of possibilities of influencing the alternate loading of the respective storage hoist, with which lighter but also even coarser production - Are at least one of the flaps with its free end opposite end of a rotatably mounted pivot shaft eccentrically to the axis of rotation, in particular by means of a linkage connected to an adjusting motor, which is in particular designed as a servomotor, can be extremely achieve short adjustment times and still realize a compact design.
  • Fig. 1 shows a first embodiment of an arrangement for the construction of two tobacco strands in a cigarette rod machine, wherein the schematic representation of the arrangement for the invention comprises essential elements of a tobacco distributor.
  • tobacco is fed to a pre-distributor 10, which is provided with the raking rollers 12 and 13.
  • the pre-distributor 10 opens into a tobacco reservoir 16, the discharge side is associated with a steep conveyor 17, which cooperates with a tobacco combing paddle roller 18 and with a tobacco in a downwardly leading feed chute 19 separating singling roller 21.
  • the feed chute 19 is bounded by a boundary plate 20.
  • the feed chute 19 opens laterally into a section of a viewing means in the form of a vertically arranged zig-zag separator 22.
  • the zig-zag sifter 22 is part of a circulating air blower 23 operated air circulation system 24.
  • a Um povertykrümmer is provided in the region of its outer radius in a bypass branching off from the air circulation system 24 and in the area its inner radius merges into an excess flow channel, in which a tobacco excess transport means in the form of a screw conveyor and a cellular wheel opens.
  • recirculation system 24 of the classifier circuit also designed as a Coanda separator tobacco / air separator 26 is connected on both sides of a Abscheidekante 36 on the one hand to the suction side of the crossflow fan 23, and on the other hand in a above two storage bays 40, 40 'arranged rotary valve 37th opens.
  • an impeller 38 is still provided for dispensing the tobacco and a feed element 39, by means of which alternately the two storage spaces 40, 40' can be filled with tobacco.
  • the rotary valve 37 is used to separate transport air from the air circulation system 24 from Tobacco, which is promoted by the Tabakabscheideraum 81 above the rotary valve 37 to this.
  • the upwardly aspirating tobacco infill flows pass accordingly Fig. 1 to two suction belt conveyors 50, 50 'arranged parallel to one another, each of which consists of an air-permeable conveyor belt running along a bottom of a perforated plate, the rear side of which is under the suction effect of a vacuum chamber.
  • the excess transport air is sucked by means of Lucasabsaugelementen 30, 30 '.
  • the transport air itself is brought by means of a schematically indicated air flow 43 or 43 'in the direction of the flow surfaces 44 and 44'.
  • the tobacco / air separator 26 is arranged around a tubular body 48.
  • the zig-zag sifter 22 is equipped with a screw 47, with which the separated preparegut, such as tobacco ribs, is removed.
  • the separated preparegut such as tobacco ribs
  • Tobacco passes through the feed lock 11 and the predistributor 10 into the tobacco reservoir 16 to the steep conveyor 17, from which the classifier system is charged with a continuous stream of tobacco by combing tobacco from the tobacco reservoir 16 with the steep conveyor 17 equipped with steep conveyor combs.
  • excess tobacco is scraped off by the paddle roller 18.
  • a machine stop may be initiated at a reduced speed, e.g. To prevent damage by foreign bodies.
  • the tobacco lying on the steep conveyor 17 enters the area of action of the separating roller 21, which accelerates the tobacco into the zig-zag classifier 22 by rough pre-singling and whose speed is set with regard to optimum minimum tobacco fiber degradation and maximum singulation, preferably in FIG a range between 800 and 900 revolutions per minute.
  • the precipitated from the zig-zag sifter 22 ribbed material can be blown by a Nachsichter using branched off from the air circulation sifting air, which are still transported back to the ribs lighter tobacco particles are transported back into the main air flow.
  • the tobacco ribs are then discharged by means of a lock in a known manner, with this particular on the DE 101 54 807.9 is referenced.
  • the sighted tobacco stream passes into the tobacco / air separator 26, in which the separation of tobacco and air by the centrifugal force and the Coanda effect, the tobacco fibers moved by the centrifugal force on the outer geometry in the form of a curved outer side of the separator 26 along are due to the Coanda effect on the inner radius of the geometry in the form of a cylindrical surface of a tubular body 48 applies.
  • the separation edge 36 the final separation of air and tobacco takes place, the air separated from the tobacco is fed back to the crossflow fan 23, which has a uniform flow profile or over the width (perpendicular to the plane) of the distributor a homogeneous velocity distribution.
  • the tobacco separated in the tobacco / air separator 26 is discharged from the vision system by the rotary valve 37 and arrives via an impeller 38 for discharging the quantities of tobacco to two storage spaces 40, 40 ', wherein in the in Fig. 1 illustrated position of the feed element 39, the tobacco fibers in the in Fig. 1 right lying stowage 40 'is promoted. In the position of the feed element 39 shown in dashed lines, tobacco enters the stowage chamber 40 shown on the left. In the arrangement itself, the stowage compartments 40 and 40 'are arranged one behind the other and extend over the entire width of the arrangement, which is perpendicular to the plane of the drawing.
  • the storage ducts overlap only in a partial area (seen transversely to the conveying direction 91) and not over the entire (distributor) width, which has the advantage of a shorter overall length with still good delivery of tobacco fibers to the Saugstrangzierer.
  • Respective Blas Kunststoffzu exchangeen are represented by the characters 43 and 43 ', with additional Blas Kunststoffzu operationen, such as.
  • the DE 101 54 807.9 or the EP 1 174 046 A2 can be used very well to achieve excellent separation of tobacco fibers.
  • control units are also provided for setting and maintaining optimum flow conditions and pressure conditions, in particular in Fig. 1 Beerabsaugiata 30, 30 'just before the Saugstrang makeupern 50, 50' are arranged to be able to suck off excess air can.
  • the Saustrangierer promote tobacco, which itself is not shown, in the conveying direction 91, ie in the plane of the Fig. 1 to 4 into it.
  • the feed means 39 as flaps 71 and 71 'are formed.
  • the flaps 71, 71 'are pivotally mounted in the chute 70 and extend into the plane of the drawing across the width of the chutes 40, 40'.
  • the chute 70 engages over the two flaps 71, 71 ', which is not absolutely necessary for their operation and function.
  • the pivot shafts 34.1, 34.1 ' are preferably tubular and thus have sufficient rigidity and buckling strength despite their relatively large length and relatively small diameter. As a result, the rapid changes between the respective filling positions of the flaps 71, 71 'and the associated dynamic loads permanently withstand and any critical vibration behavior can be avoided.
  • the respective storage chutes 40, 40 ' are each assigned to fill level control means extending vertically and horizontally across the width and at least a partial height of the storage chutes 40, 40'.
  • the level control means are light barriers 32, 33, 32 ', 33'.
  • the light barriers 32, 33, 32 ', 33' are signal output side connected via lines with a control unit, not shown.
  • the control unit is the output side with the drive the steep conveyor 17 connected to the conveying speed and flow rate of tobacco fibers to change and regulate (as in the rest of Fig. 4 is shown with the line leading from the reference numeral 31 (logic unit) to a control unit (box)).
  • the groups of light barriers 32, 33, 32 ', 33' can be designed as analog light strips.
  • the residence time of the flaps 71, 71 'above or in front of the respective stowage bay 40, 40' is fixedly adjustable. It can be the same or different for the two storage chutes 40, 40 ', thus allowing a good adaptation to any operating state for a stranded product to be manufactured. For example, it is possible to leave the flaps 71, 71 'about 10% longer over one stowage 40, 40' than over the other stowage 40, 40 '. It is also possible, both storage spaces 40, 40 'at z. B. divergent flap position to fill at the same time, in particular - depending on flap position - with a different amount of fibers.
  • the delivery rates of the respective unit from removal roller 42, 42 'and Ausschlagwalze 41, 41' and the ratio of the delivery rates to each other can be specified. If, for example, the ratio of the delivery rates of the two removal units is set to 45 to 55, then the residence time ratio of the flaps 71, 71 'above the respective delivery shaft 40, 40' is also predetermined and maintained.
  • the higher-level machine control detects which stowage 40, 40 'is being filled. If the front stowage bay is being filled, then the light barriers 32, 33 of the front stowage bay are interrogated and a deviation from a predefinable level is interrogated. Depending on whether this level is then exceeded or fallen below, the steep conveyor 17 is then driven to deliver less or more tobacco fibers by this then changes its conveying speed. If just or after the other storage shaft 40, 40 'filled and queried by means of the photoelectric sensors 32', 33 '(with appropriate flap position), the scheme runs accordingly.
  • the impeller 38 and / or the rotary valve 37 can be dispensed with and a direct supply of fibers to the chute 70 and / or the flaps 71, 71 'can be provided, as is the case in particular in the exemplary embodiment Fig. 4 is provided.
  • the flaps 71, 71 'opposite end of the partition wall between the two storage compartments 40, 40' is provided with a tapered in section tipping element 72 which is arranged rotatably about a tilt axis 73.
  • the tilting element 72 is formed approximately wedge-shaped in section and formed on its broad side with a rounding.
  • the partition wall between the two storage spaces 40, 40 ' is provided with a corresponding cup-shaped recess, in which the rounding of the tilting element 72 is received to guide it in a tilting movement.
  • fibers attach to the flap 71, 71 'facing the end of the partition wall between the two storage bays, they can be easily removed by a corresponding tilting, possibly by means of a drive, and one of the two storage bays 40th 40 '.
  • the flap 71 ' With its end opposite the free end of a rotatably mounted pivot shaft 34.1' is added eccentrically to the axis of rotation.
  • Each flap 71, 71 ' is provided with a corresponding mechanism, which are arranged in particular mirror-symmetrical to each other.
  • the pivot shafts 34.1, 34.1 ' are in each case connected by means of a joint linkage 34.2, 34.2' with a servomotor 34.3, 34.3 'designed as adjusting and pivotable through this.
  • a joint linkage 34.2, 34.2' with a servomotor 34.3, 34.3 'designed as adjusting and pivotable through this.
  • the servomotors 34.3, 34.3 ' are connected to the machine control via lines and activated by means of appropriate control signals to pivot the flaps 71, 71' in the respectively desired position.
  • crank drive in particular cyclically rotating or a toothed belt and / or rack / pinion drive can be provided.
  • the flaps 71, 71 ' are so movable and each externally operable via the respective joint rods 34.2, 34.2' and the respective servomotors 34.3, 34.3 'arranged that the flaps 71, 71' both in a position to form a parallel channel as can also be brought into an at least temporary position for forming an at least converging and / or diverging channel.
  • the angle enclosed between the flaps 71, 71 'during an adjustment of the flaps 71, 71' from a filling position for a first stowage 40, 40 'to a filling position for a second stowage 40, 40' is changeable, in particular reducible and / or enlargeable.
  • the flaps 71, 71 ' are moved to each other with a time delay.
  • first one (for example, inner) flap 71, 71 ' is moved, shortly thereafter the other (outer) flap 71, 71' receives its adjusting movement, whereby even faster changes are possible in a quasi-continuous manner, but always still a reliable and uniform filling is guaranteed. This leaves avoid a portionwise, jerky filling with time-delayed successive fiber portions.
  • the two flaps 71, 71 ' during their pivoting from a first stowage bay 40, 40' to a second stowage bay 40, 40 ', preferably each have different speeds transverse to the direction of conveyance 91 of the at least one auger conveyor 50, 50', in particular with respect to it respective opposite their particular axis of rotation, in particular free end.
  • a kind of temporary locking function during the change can be realized.
  • Each or at least one flap 71, 71 ' has a lower velocity in the initial region of the pivoting path after the beginning and / or in the end region of the pivoting path before the end of its pivoting along the pivoting path, as in the range of about a quarter to about three quarters, preferably from about one-third to about two-thirds, more preferably about half, the pivoting distance.
  • the respective beginning of the pivoting and the respective end of the pivoting can be gentle and gentle on the material, while quasi “on the move" adjustment takes place at maximum speed in order to reach the new position as quickly as possible.
  • the ranges mentioned are preferred.
  • the flaps 71, 71 ' are by means of the servo motors 34.3, 34.3' the joint rods 34.2, 34.2 'and the pivot shafts 34.1, 34.1' unevenly accelerated and / or unevenly delayed in bearings added.
  • the flaps 71, 71 ' are provided with a fixed predetermined or variably adjustable dwell time over the respective storage shaft 40, 40' persisting. A control and / or regulation via the machine control.
  • the flaps 71, 71 ' are each provided with a desired speed, acceleration, deceleration and / or a desired path-time curve back and forth pivotally.
  • a wide variety of operating options is given, which, for example, also cleaning operations or troubleshooting, such as by a brief spreading of the flaps 71, 71 ', allow.
  • As well as such a rapid movement that the flaps 71, 71 'trailing vortices are generated which allow a constant cleaning to the flaps 71, 71' of spaced components, such as on the partition wall of the two storage bays 40, 40 'deposited fibers, although these are outside a mechanical contact possibility.
  • the flaps 71, 71 ' are each taken with their end opposite the free end of the respective rotatably mounted pivot shaft 34.1, 34.1' eccentrically to the respective axis of rotation.
  • a central receptacle can also be provided.
  • Fig. 4 shows a fourth embodiment of the arrangement according to the invention.
  • This arrangement is a modification of the stowage arrangement according to the document EP 1 454 542 A1 , B1 or the publication IT BO20030125 , which is reproduced there in the single figure.
  • the connecting means 26 of the two flaps 24z disclosed in the two aforementioned publications is removed and omitted, so that the flaps 24z are movable independently of each other.
  • mitbewegte flap 24z is in the present modification with a separate pivot drive 30z, in particular analogous to the local Verschwenkan-drive 30, provided, which can swing the flap 24z about its pivot axis 27z in a desired position with the desired speed, acceleration, deceleration and / or the desired path-time curve back and forth.
  • the arrangement otherwise has the same configuration as in the document EP 1 454 542 A1 , B1 (paragraphs 0009 to 0014) or in the publication IT BO20030125 described and is removable.
  • the reference numerals, the components indicated by the reference numerals and their function and operation in Fig. 4 were otherwise left as described and used in the aforementioned publications.

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Claims (15)

  1. Agencement dans une machine de formation d'un boudin de l'industrie de traitement du tabac pour former au moins deux boudins de fibres, avec les caractéristiques suivantes : des moyens d'amenée (37, 38, 39, 40, 40', 41, 41', 42, 42', 21z) pour transporter des fibres, notamment dosées et/ou triées, en particulier du tabac, sur au moins deux surfaces d'écoulement (44, 44', 18z) conduisant à au moins un transporteur de boudins par aspiration (50, 50', 4z), les moyens d'amenée (37 à 42', 21z) comprenant au moins deux puits d'accumulation (40, 40', 9z) qui sont disposés l'un derrière l'autre transversalement à la direction de transport (91) dudit au moins un transporteur de boudins par aspiration (50, 50', 4z), sont pourvus, chacun, de moyens de surveillance du niveau de remplissage (32, 33, 32', 33', 32z, 33z), se recouvrent au moins partiellement dans la direction de projection transversalement à la direction de transport (91) dudit au moins un transporteur de boudins par aspiration (50, 50', 4z), et comprennent un moyen d'alimentation (39, 71, 71', 21z, 22z, 24z, 30z) disposé en amont desdits au moins deux puits d'accumulation (40, 40', 9z) qui est adapté pour pouvoir être commuté sélectivement vers chaque puits d'accumulation (40, 40', 9z) et qui comporte deux clapets (71, 71', 24z) librement mobiles l'un par rapport à l'autre et aptes à pivoter autour d'un axe de pivotement respectif, caractérisé en ce que les clapets (71, 71', 24z) sont disposés mobiles de manière telle et adaptés chacune pour pouvoir être actionnés individuellement de l'extérieur (34.2, 34.3, 34.2', 34.3', 30z) que les clapets (71, 71', 24z) forment un canal et prennent une position aussi bien essentiellement parallèle l'une à l'autre que, durant au moins un certain temps, convergeant ou divergeant sur au moins un tronçon dans la direction de transport de la matière à transporter.
  2. Agencement selon la revendication 1, caractérisé en ce que l'angle enfermé entre les clapets (71, 71', 24z) est conçu pour être variable pendant le réglage des clapets (71, 71', 24z) d'une position de remplissage pour un premier puits de remplissage (40, 40', 9z) à une position de remplissage pour un deuxième puits de remplissage (40, 40', 9z), en particulier pouvant être diminué ou augmenté, en particulier par un mouvement décalé des clapets (71, 7', 24z).
  3. Agencement selon une des revendications 1 ou 2, caractérisé en ce que les deux clapets (71, 71', 24z), pendant leur pivotement d'un premier puits de remplissage (40, 40', 9z) à un deuxième puits de remplissage (40, 40', 9z), ont chacun des vitesses différentes transversalement à la direction de transport (91) dudit au moins un transporteur de boudins par aspiration (50, 50', 4z), en particulier par rapport à leur extrémité opposée à leur axe de rotation respectif, en particulier leur extrémité libre.
  4. Agencement selon l'une des revendications 1 à 3, caractérisé en ce que, dans la zone initiale du trajet de pivotement après le début et/ou dans la zone finale du trajet de pivotement avant la fin de son balayage le long du trajet de pivotement, chaque ou au moins un clapet (71, 71', 24z) présente une vitesse moindre que dans la zone d'environ un quart à environ trois quart, de préférence d'environ un tiers à environ deux tiers, en particulier d'environ la moitié, du trajet de pivotement.
  5. Agencement selon l'une des revendications 1 à 4, caractérisé en ce que les clapets (71, 71', 24z) sont montés de façon à pouvoir être accélérés de manière irrégulière et/ou à pouvoir être ralentis de manière irrégulière.
  6. Agencement selon l'une des revendications 1 à 5, caractérisé en ce que les clapets (71, 71', 24z) sont prévus avec une durée de repos, fixe ou réglable de manière variable, au-dessus de chaque puits d'accumulation (40, 40', 9z).
  7. Agencement selon une des revendications 1 à 6 caractérisée en ce que les clapets (71, 71', 24z) sont prévus chacun pour un mouvement de va-et-vient pivotant avec une vitesse, une accélération, un ralentissement souhaités et/ou avec une fonction trajet-temps souhaitée.
  8. Agencement selon une des revendications 1 à 7, caractérisé en ce qu'au moins un des clapets (71, 71', 24z) est reçu, avec son extrémité opposée à l'extrémité libre, par un axe de pivotement (34.1, 34.1') disposé de manière rotative, de façon excentrique par rapport à son axe de rotation, est notamment connecté à un moteur de commande (34.3, 34.3'), plus particulièrement conçu comme servo-moteur, en particulier au moyen d'un engrenage démultiplicateur ou d'un engrenage réducteur de vitesse, en particulier au moyen d'une tige (34.2, 34.2'), en particulier à deux bras, en particulier au moyen d'une transmission à courroie dentée ou d'une transmission à manivelle, ou est reçu par un entraînement pivotant (30z) attaché de manière centrée à une extrémité.
  9. Procédé pour la réalisation d'au moins deux boudins de fibres dans une machine à boudin de l'industrie de traitement du tabac, avec les caractéristiques suivantes : acheminement de fibres par des moyens d'amenée (37, 38, 39, 40, 40', 41, 41', 42, 42', 21z) pour le transport de fibres, en particulier dosées et/ ou triées, en particulier du tabac, sur au moins deux surfaces d'écoulement (44, 44', 18z) conduisant à au moins un transporteur de boudins par aspiration (50, 50', 4z), les moyens d'amenée (37 à 42', 21z) comprenant au moins deux puits d'accumulation (40, 40', 9z) qui sont disposés l'un derrière l'autre transversalement à la direction de transport (91) dudit au moins un transporteur de boudins par aspiration (50, 50', 4z), surveillance (31, 32, 33, 32', 33', 32z, 33z) du niveau de remplissage de chaque puits d'accumulation (40, 40', 9z) qui sont munis chacun de moyens de surveillance du niveau de remplissage (32, 33, 32', 33', 32z, 33z), se recouvrent au moins partiellement dans la direction de projection transversalement à la direction de transport (91) dudit au moins un transport de boudins par aspiration (50, 50', 4z), et alimentation des puits d'accumulation (40, 40', 9z) par un moyen de chargement (39, 71, 71', 21z, 22z, 24z, 30z) disposé en amont desdits au moins deux puits d'accumulation (40, 40', 9z), commutation alternative du moyen de chargement (39, 71, 71', 21z, 22z, 24z, 30z), qui peut être commuté sélectivement sur chaque puits d'accumulation (40, 40', 9z) et qui comprend deux clapets (71, 71', 24z) pouvant mouvoir librement l'un par rapport à l'autre, pivotant chacun autour d'un axe de pivotement, caractérisé en ce que les clapets (71, 71', 24z) sont mues et actionnés individuellement de l'extérieur (34.2, 34.3, 34.2', 34.3', 30z) de manière telle que les clapets (71, 71', 24z) forment un canal et prennent une position aussi bien essentiellement parallèle l'une à l'autre que, durant au moins un certain temps, convergeant ou divergeant sur au moins un tronçon dans la direction de transport de la matière à transporter.
  10. Procédé selon la revendication 9, caractérisé en ce que l'angle enfermé entre les clapets (71, 71', 24z) est modifié pendant le réglage des clapets (71, 71', 24z) d'une position de remplissage pour un premier puits d'accumulation (40, 40', 9z) à une position de remplissage pour un deuxième puits d'accumulation (40, 40', 9z), en particulier est réduit ou augmenté, en particulier par un mouvement des clapets (71, 71', 24z) décalé dans le temps.
  11. Procédé selon l'une des revendications 9 ou 10, caractérisé en ce que les deux clapets (71, 71', 24z), pendant leur pivotement d'un premier puits d'accumulation (40, 40', 9z) vers un deuxième puits d'accumulation (40, 40', 9z), présentent chacun des vitesses différentes transversalement à la direction de transport (91) d'au moins un transporteur de boudins par aspiration (50, 50', 4z), notamment par rapport à leur extrémité respective opposée à leur axe de rotation respectif, en particulier leur extrémité libre, en particulier le long de leur trajet de pivotement respectif.
  12. Procédé selon l'une des revendications 9 à 11, caractérisé en ce que chaque ou au moins un clapet (71, 71', 24z), au début du trajet de pivotement après le commencement et/ou la fin du trajet de pivotement avant la fin de son pivotement le long du trajet de pivotement, présente une vitesse moindre que dans une plage d'environ un quart à environ trois quarts, de préférence d'environ un tiers à environ deux tiers, de manière particulièrement préférée d'environ la moitié, du trajet de pivotement.
  13. Procédé selon l'une des revendications 9 à 12, caractérisé en ce que les clapets (71, 71', 24z) sont accélérés de manière irrégulière et/ou ralentis de manière irrégulière, en particulier relativement l'un à l'autre et/ou respectivement le long de leur trajet de pivotement.
  14. Procédé selon l'une des revendications 9 à 13, caractérisé en ce que chaque clapet, ou les deux clapets (71, 71', 24z), reste au-dessus dudit puits d'accumulation (40, 40', 9z) respectif avec un temps de repos pouvant être prédéfini ou pouvant être réglé d'une manière variable, le temps de repos étant réglée notamment entre 0,1-5 secondes, de préférence à 0,3-4 secondes, de manière particulièrement préférée entre 0,5-3 secondes de manière fixe ou variable.
  15. Procédé selon l'une des revendications 9 à 14, caractérisé en ce que les clapets (71, 71', 24z) sont pivotés avec un mouvement de va-et-vient respectivement avec une vitesse, une accélération, un ralentissement souhaités et/ou avec une fonction trajet-temps souhaitée.
EP17000447.7A 2017-03-17 2017-03-17 Système et procédé de réalisation d'au moins deux faisceaux de fibres dans une machine de filage de l'industrie du tabac Active EP3375302B1 (fr)

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Publication number Priority date Publication date Assignee Title
DE2334727B2 (de) * 1973-07-07 1976-03-04 Fa. WiIh. Quester, 5000 Köln Vorrichtung zum pneumatischen zufuehren von fasergut, wie tabak u.dgl. zu einer mehrzahl von verarbeitungsmaschinen, wie zigarettenmaschinen u.dgl.
IT1189035B (it) 1981-04-01 1988-01-28 Gd Spa Macchina confezionatrice di sigarette a doppio baco continuo
IT1156656B (it) 1982-09-08 1987-02-04 Gd Spa Macchina confezionatrice per la realizzazione contemporanea di bachi continui di sigarette
DE3619579C2 (de) 1986-06-11 1995-05-18 Hauni Werke Koerber & Co Kg Vorrichtung zur gleichzeitigen Herstellung von zwei Endloszigarettensträngen
DE10035692A1 (de) 2000-07-20 2002-01-31 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Vereinzeln von Tabakfasern
DE10140309A1 (de) 2001-08-16 2003-02-27 Hauni Maschinenbau Ag Anordnung zum Aufbau wenigstens eines Tabakstranges in einer Zigarettenstrangmaschine
DE50304182D1 (de) 2002-05-21 2006-08-24 Hauni Maschinenbau Ag Anordnung und Verfahren zum Aufbau von wenigstens zwei Tabaksträngen in einer Zigarettenstrangmaschine
ITBO20030125A1 (it) 2003-03-07 2004-09-08 Gd Spa Metodo ed unita` per la realizzazione contemporanea
DE102005013077A1 (de) 2005-03-18 2006-09-28 Hauni Maschinenbau Ag Stauhöhenregelung
PL217391B1 (pl) * 2011-08-02 2014-07-31 Int Tobacco Machinery Poland Zespół zaworowy do napełniania kątowych kanałów transportowych przepływem masowym elementów prętopodobnych

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