EP2369949B1 - Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac - Google Patents

Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac Download PDF

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Publication number
EP2369949B1
EP2369949B1 EP09744974.8A EP09744974A EP2369949B1 EP 2369949 B1 EP2369949 B1 EP 2369949B1 EP 09744974 A EP09744974 A EP 09744974A EP 2369949 B1 EP2369949 B1 EP 2369949B1
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EP
European Patent Office
Prior art keywords
tobacco
sensor
conveyer
cut tobacco
speed
Prior art date
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Not-in-force
Application number
EP09744974.8A
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German (de)
English (en)
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EP2369949A1 (fr
Inventor
Karsten Eckert
Dietmar Zielke
Frank Weimann
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Koerber Technologies GmbH
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Hauni Maschinenbau GmbH
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Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL09744974T priority Critical patent/PL2369949T3/pl
Publication of EP2369949A1 publication Critical patent/EP2369949A1/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
    • A24C5/39—Tobacco feeding devices
    • A24C5/397—Tobacco feeding devices with means for regulating the tobacco quantity
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/39—Tobacco feeding devices
    • A24C5/392—Tobacco feeding devices feeding pneumatically

Definitions

  • the invention relates to a device for supplying cut tobacco from a tobacco feeding unit to a tobacco processing machine, with a conveyor which is connectable with at least one tobacco feeding unit and with at least one tobacco processing machine and provided for conveying cut tobacco, an adjusting means for influencing the conveying speed of Cutting tobacco in the conveyor, at least one sensor device and a control device which is connected to the sensor device and the adjusting means and provided for controlling the actuating means in response to a signal output by the sensor device for controlling the conveying speed to a predetermined value, wherein the sensor device for measuring the mass flow or the volume flow of the cut tobacco is formed.
  • the invention relates to a method for supplying cut tobacco from a tobacco feeding unit to a tobacco processing machine, preferably a cigarette manufacturing machine, in which cut tobacco conveyed via a conveyor of at least one tobacco feeding unit to at least one tobacco processing machine, the conveying speed of the cut tobacco in the conveyor via an actuating means and affects Adjusting means in response to a signal output by a sensor device for the purpose of controlling the conveying speed to a predetermined Value is controlled, being measured by the sensor device, the mass flow or the volume flow of the Thomastabaks.
  • the tobacco supply usually takes place via tubular delivery lines, through which the tobacco is sucked by means of an air flow into a pre-storage or intermediate storage of the cigarette manufacturing machine.
  • This buffer which is alternatively also referred to as a lock, is usually located at the inlet of the cigarette manufacturing machine or forms an interface between a delivery line and the actual cigarette manufacturing machine.
  • the tobacco feed is usually carried out discontinuously, with the intermediate store being filled with tobacco in batches by conveying air. Such a loading phase typically takes about 20 to 30 seconds. If the buffer is full, the air delivery is switched off. After the cache has been emptied into the cigarette manufacturing machine and thereby the tobacco has been transferred to the cigarette manufacturing machine to be forwarded to cigarette production, a new filling cycle of the buffer is initiated by turning on the air stream.
  • the air ratios for tobacco production between the tobacco feeding unit and the cigarette making machine are adjusted so that sufficient tobacco is carried through the air to always supply the cigarette making machine safely.
  • the tobacco velocity depends essentially directly on the air velocity.
  • changes in the delivery line system for example in the case of a conversion or repair, changes in air conditions due to leaks in the cache
  • changes in the air generation system for example, by wear of the fan and load changes in the air by switching on or off further cigarette making machines, the air technology not decoupled from each other
  • the air velocity is undesirably affected, which has a negative effect especially after a single adjustment of the air velocity.
  • two pressure measuring points lying one behind the other in the flow direction are arranged on the conveying line and form between them a measuring path along which the pressure drop of the air flow is measured and fed to the control unit as a differential pressure measured value.
  • a further measuring point with a pressure sensor is arranged on the conveying line, wherein a system vacuum value measured with this is supplied to the regulating unit for the purpose of compensating the differential pressure measured value.
  • the problem with this concept is mainly that the measured air velocity is proportional to the tobacco velocity only in a certain working range, and falling below the airspeed below a certain minimum value leads to the sudden stoppage of the tobacco flow, while at high air velocities there is a risk of destroying the tobacco.
  • control systems for a suction conveyor system based on a capacitive tobacco speed measuring system are known from the prior art.
  • the DE 10 2006 011 742 B3 discloses such a system in which arranged in the intake manifold an adjustable control valve for controlling the air flow and connected to the control valve control unit and a connected to the control unit capacitive sensor which measures the speed of the tobacco in the delivery line.
  • this concept can not rule out that when changing the tobacco flow rate under constant tobacco speed, resulting in a reduced tobacco throughput, the cigarette manufacturing machine receives too little tobacco.
  • a device for feeding cut tobacco from a tobacco feeding unit to a tobacco processing machine having a conveyor connectable to at least one tobacco feeding unit and to at least one tobacco processing machine and for conveying cut tobacco Adjusting means for influencing the conveying speed of the cut tobacco in the conveyor, at least one sensor device and a control device which is connected to the sensor device and the adjusting means and provided for controlling the actuating means in response to a signal output by the sensor device for the purpose of controlling the conveying speed to a predetermined value
  • the sensor device is designed to measure the mass flow or the volume flow of the cut tobacco, characterized in that an intermediate store is provided for the temporary storage of cut tobacco and is designed so that the increase of the filling level takes place approximately in the horizontal direction, the sensor device has a sensor arrangement for measuring the fill level of the intermediate store, and an evaluation unit is provided which consists of the rate of increase of the fill level determines the mass or volume flow of the cut tobacco.
  • the invention provides a particularly simple way a way to determine the mass or volume flow of the cut tobacco by measuring over a period of the level of the buffer, which requires only structurally simple sensor, and from the increase in the level within a certain period of Mass or volume flow of the cut tobacco for the purpose of actual value detection for the feed control is determined. Thus, the quantity measurement takes place via the filling level in the buffer.
  • the buffer is inventively designed so that the increase of the level takes place approximately in the horizontal direction. Especially with a pneumatically operated conveyor has been found that can be easily fill despite about horizontal extent of the cache. A horizontal arrangement of the buffer has the advantage of a low design.
  • the sensor arrangement has a plurality of sensors, which are arranged approximately in the direction of the increase of the filling level of the buffer next to or behind one another, wherein these sensors are preferably approximately in a row.
  • a particularly preferred embodiment of this sensor arrangement is characterized in that at least five discrete sensors or at least five sensor elements are provided in an integrally constructed sensor arrangement and in particular the respective distance between the discrete sensors or sensor elements does not exceed one fifth of the total length of the buffer.
  • a particularly fine-level level detection and control is given in particular if the respective distance between the discrete sensors or sensor elements is less than 50 mm.
  • optical sensor units each consisting of a light source and a photosensor.
  • the buffer can optionally be part of the conveyor and in this case preferably sit in the area of their outlet, or be part of a downstream tobacco processing machine and in this case preferably sit in the area of their inlet or be provided as an interface between the conveyor and tobacco processing machine.
  • the conveyor operates substantially pneumatically and has a pneumatic conveying line and at least one provided as adjusting means, adjustable throttle valve for controlling the air flow in the pneumatic conveying line.
  • the throttle valve may be arranged upstream of the buffer or downstream of the buffer in a suction pipe, which is connected to an outlet of the buffer.
  • an electric or pneumatic actuator which may be preferably designed as a controlled drive and further as an electromotive or pneumatic servo drive for a precise stepless and quick angular adjustment of the throttle.
  • a further preferred embodiment of the invention is characterized in that the control device for controlling the actuating means in dependence not only on a signal output by the sensor device, but additionally of at least a process variable of the tobacco processing machine for controlling the conveying speed is formed to a predetermined value.
  • at least one process variable of the tobacco processing machine is fed as an additional Hilfsistificat the control loop.
  • the control loop can be additionally supported in particular by measurement and / or control data from the tobacco processing machine. It is particularly advantageous to use the strand speed of the tobacco processing machine as the process variable, so that, for example, in the event of a drop in the strand speed, it is possible to react immediately with the throttling of the mass or volume flow of the cut tobacco.
  • control device in addition to controlling the tobacco feeding unit.
  • a further preferred embodiment of the invention is characterized in that the control device is designed to control the actuating means in dependence not only on a signal output by the sensor device, but also by a proportional to the conveying air velocity signal which a known air speed sensor is provided in the delivery line and / or in a suction tube.
  • the control circuit is fed an additional Hilfsisty which received for the purpose of optimization in the scheme and / or can be used for diagnostic purposes and also as an indicator to the operator of the cigarette manufacturing machine can be provided.
  • the control device in addition to the signal output by the sensor device, which represents the respective fill level of the buffer, the control device also processes the signal proportional to the conveying air velocity and / or the at least one process variable of the tobacco processing machine such that a continuous Optimization of the conveying air flow in terms of a gentle and safe uninterrupted tobacco promotion is given.
  • the control device can be designed self-learning. If, for example, an interruption of the tobacco stream occurs due to falling below a certain conveying air velocity, then the regulating device and / or a downstream control system stores the signal values present at the time of undershooting as limit values, in order in the future These limits at the conveying air flow rate not to fall below again.
  • a volume or mass measurement is used as the basis for the regulation of a pneumatic charging device
  • the conveying device in such a case preferably as a belt conveyor and / or is designed as a screw conveyor.
  • a belt conveyor can convey the cut tobacco directly into a buffer which contains a sensor arrangement according to the invention, wherein discrete sensors or sensor elements provided for this purpose are preferably arranged one above the other.
  • a deviating sensor arrangement and in particular this upstream of the intermediate store, such a sensor arrangement preferably being in the form of a scale, in particular a belt scale.
  • a method for feeding cut tobacco from a tobacco feeding unit to a tobacco processing machine wherein cut tobacco is conveyed to at least one tobacco processing machine via a conveyor of at least one tobacco feeding unit, the conveying speed of the cut tobacco in the conveyor influenced by an actuating means and the adjusting means is controlled in response to a signal output by a sensor device for controlling the conveying speed to a predetermined value, being measured by the sensor device, the mass flow or the volume flow of the cut tobacco, characterized in that the cut tobacco in a buffer is temporarily stored by the increase of the level takes place approximately in the horizontal direction, the level of the cache S is measured by the sensor device and is determined by an evaluation of the speed of increase of the level of the mass or volume flow of the cut tobacco.
  • FIG. 1 schematically a tobacco feed station 2 is shown.
  • This tobacco feeding station 2 has a chamber 4 for receiving cut tobacco 6 (hereinafter usually called "tobacco" for short).
  • the lower end of the chamber 4 is bounded by an endless belt conveyor 8, which is offset by a drive means 10 in a circulating movement.
  • the resting on the belt conveyor 8 tobacco 6 is conveyed to one end of the belt conveyor 8, from where it passes into an underlying hopper 12 and from there into a connected to the lower end of the hopper 12 tubular outlet 14.
  • the tobacco feeding station 2 has computing wheels 16, which are set in rotation by the drive device 10 and return excess tobacco into the chamber 4.
  • the tobacco 6 is transported by means of a conveying device 20, which will be explained in greater detail below, to a tobacco processing machine, not shown in the figures, which is a cigarette manufacturing machine for the presently described embodiment.
  • the conveyor 20 operates pneumatically and has a pneumatic tubular delivery line 22 which is connected with its inlet at the outlet 14 of the tobacco feeding station 2 and with its outlet to a tubular inlet 24 of a buffer 26.
  • a pneumatic tubular delivery line 22 In the delivery line 22 There is a negative pressure, so that a corresponding suction air flow can promote the tobacco from the outlet 14 of the tobacco feeding station 2 In the latch 26.
  • the intermediate storage means 26, which may also be referred to as a lock, is subdivided in the illustrated embodiment into an upper first chamber 28 and a lower second chamber 30, these two chambers 28, 30 being separated from one another by a sieve 32.
  • the buffer 26 is arranged horizontally in the illustrated embodiment and thus extend the two chambers 28, 30 and the screen 32 in the horizontal direction.
  • the inlet 24 leads into the upper first chamber 28, in which the tobacco collects, which is blown in the direction of arrow X coming from the pneumatic conveying line 22 and the inlet 24 into the first chamber 28.
  • the first chamber 28 fills from the (according to FIG. 1 right) distal first end wall 28a successively toward the opposite (according to FIG.
  • the intermediate store 26 operates in the manner of a cyclone in that the transport air flows from the pneumatic delivery line 22 through the sieve 32 into the lower second chamber 30 and via a suction pipe 34 in the direction of the arrow Y to the suction side of a fan, not shown. In this way, the tobacco 6 collected in the first chamber 28 is separated from the transport air.
  • the air delivery in the conveyor system 20 is switched off and interrupted in this way the influx of further tobacco.
  • the buffer 26 is emptied into the cigarette manufacturing machine, not shown, and thereby the tobacco 6 spent in the cigarette making machine to be forwarded to cigarette production, before a new filling cycle of the buffer 26 is initiated by turning on the air flow again.
  • the loading of tobacco is thus discontinuous by the buffer 26 is intermittently filled with tobacco 6. Such a loading phase typically takes about 20 to 30 seconds.
  • the buffer 26 thus forms an interface between the conveyor 20 and the actual cigarette making machine and may either be part of the conveyor 20 and in this case preferably sit in the region of the outlet of the pneumatic conveyor line 22, such as FIG. 1 can recognize, or be part of the downstream cigarette making machine and in this case preferably sit in the area of their inlet.
  • a throttle valve 36 is provided as an actuator in the illustrated embodiment game, which sits in the suction pipe 34 downstream of the buffer 26 and is opened or closed by a servomotor 38.
  • a servomotor 38 it is also conceivable to influence the air velocity in the delivery line 22 or in the intake pipe 34 by other types of actuators or alternatively by direct control of the fan, not shown.
  • the servomotor 38 for the throttle valve 36 is controlled by a control unit 40 which generates a corresponding control signal and transmits it via a line 42 to the servomotor 38 in order to be able to set the rotational position and thus the opening width of the throttle valve 36 to a desired value.
  • the amount of subsidized tobacco 6 is determined or evaluated and used as a significant actual size for the control by the control unit 40.
  • the increase of the level with tobacco 6 in the first chamber 28 of the buffer 26 measured.
  • an elongated sensor arrangement 44 is provided, which extends in the longitudinal direction substantially over the entire length of the first chamber 28.
  • the sensor assembly 42 of the first chamber 28 is assigned and arranged on or within this.
  • the sensor assembly 44 measures the continuous increase in fill level of the first chamber 28 of the buffer 26 with tobacco 6.
  • the sensor arrangement 44 has a plurality of sensors not shown in detail in the figures, which are arranged approximately in the direction of increasing the filling level of the buffer 26 next to or behind one another, these sensors preferably being approximately in a row.
  • optical sensor units each consisting of a light source and a photosensor.
  • the sensor arrangement 44 is connected via a line 46 to the control unit 40 and transmits to this a signal indicating the current level of the first chamber 28 of the buffer 26. Since during the filling of the first chamber 28 of the buffer 26 with tobacco 6, the level increases substantially continuously, this increase in the level in the output from the sensor assembly 44 measurement signal is expressed accordingly.
  • the change in the measurement signal from the sensor arrangement 44 due to the increase in the fill level of the first chamber 28 of the buffer 26 is used in the control unit 40 for determining the actual mass or volume flow of the tobacco 6 in the delivery line 22.
  • the determination of the instantaneous value of the mass or volume flow of the tobacco 6 in the conveyor 20 takes place via the level measurement. Volume and mass are directly related to the specific weight of the tobacco. In addition, from the determination of the mass or volume flow, the amount of tobacco can also be evaluated if necessary.
  • the determined instantaneous value of the mass or volume flow is accordingly used as the actual value for the control by comparing this value with a desired value and as a result of this comparison, the control unit 40 via the servomotor 38 adjusts or changes the opening position of the throttle valve 36 accordingly.
  • the speed of the air flow in the delivery line 22 is adjusted or changed accordingly. Since primarily the speed of the air flow in the delivery line 22 influences the mass or volume flow of the tobacco 6, the mass or volume flow of the tobacco 6 is regulated by the control concept described above. Thus, with the control concept described above, a direct control of the mass or volume flow of the tobacco 6 takes place.
  • the speed of the air flow is additionally measured and fed as additional actual value or Hilfsistwert the control unit 40.
  • a corresponding sensor 48 is housed in the suction pipe 34 and connected via a line 50 to the control unit 40 in the illustrated embodiment, this sensor 48, for example, after the differential pressure, Stautik- or impeller principle or as a light barrier can be formed using the Karmaschen Wirbei Klan effect.
  • At least one process variable from the downstream cigarette maker can preferably be fed to the control unit 40 as a further auxiliary quantity, as described in US Pat FIG. 1 indicated by the dashed line 52.
  • the control circuit can be additionally supported, in particular by measuring and / or control data from the cigarette manufacturing machine, which can lead to further optimization of the control if necessary.
  • the machine speed of the cigarette manufacturing machine as the process variable or, in the event that the cigarette manufacturing machine is designed as a stranding machine, the strand speed, so that, for example, in the case of a sinking of the machine or line speed, immediately with the throttling of the supplied mass or Volume flow of the tobacco and thus with the throttling of the operation of the conveyor 20 can be reacted.
  • control unit 40 may be advantageous for the control unit 40 to generate and transmit a further signal for controlling the tobacco feed station 2, as in FIG. 1 indicated schematically by the dashed line 54. With this additional control signal on the line 54, the control unit 40 controls the drive device 10 and thus the rotational speed of the belt conveyor 8 in the tobacco-feeding station 2.
  • FIG. 2 illustrated tobacco feeding system differs from the loading system of FIG. 1 only by the use of a differently constructed tobacco dispensing station 100, as for example from the EP 0 568 868 B1 is known.
  • the tobacco feeding station 100 has an input hopper 104 through which the tobacco is entered.
  • Below the tapered lower outlet opening 104a of the input hopper 104 sits a horizontally extending and gently sloping distributor disc 108 in a chamber 110.
  • the tobacco exiting the outlet port 104a of the input hopper 104 strikes the central portion of the underlying distributor disc 108.
  • the distributor disc 108 is exposed to vibration, which, in conjunction with gravity, causes the tobacco to move from the central area to the peripheral edge of the distributor disc 108.
  • a plurality of suction pipes 114 are arranged at a distance from each other, which distributed through the distributor disc 108 tobacco suck and transport in the delivery line 22.
  • the suction tubes 114 are adjustable in height and thus in their distance from the distributor disc 108 or to the bottom 110 a of the chamber 110, for which purpose corresponding actuators are provided which in FIG. 2 but not shown.
  • the control unit 40 controls in the in FIG. 2 illustrated embodiment via the line 54, the actuators for the height adjustment of the suction pipes 114th
  • FIG. 3 shows a further embodiment of a tobacco feeding system, which differs from the system according to FIG. 1 differs in that instead of one of the first chamber 28 of the buffer 26 associated sensor arrangement for measuring the level, a direct measurement of the mass or volume flow of tobacco 6 takes place upstream of the buffer 26.
  • a corresponding sensor 144 is provided in the illustrated embodiment at the inlet 24 of the buffer 26.
  • this sensor 144 may be designed, for example, as a microwave sensor or as a high-frequency sensor.
  • FIG. 4 shows a further embodiment of a tobacco feeding system, which differs from the tobacco feeding system according to FIG. 3 only differs in that a tobacco dispensing station according to the in FIG. 2 shown tobacco dispensing station 100 is used, the structure and operation previously with reference to FIG. 2 has been described.
  • the control concept described above uses, with the measurement of the mass flow or the volume flow of the tobacco, an optimal measurement, with which it is possible to keep the tobacco speed in the delivery line 22 as low as possible without, on the other hand, too little tobacco in the downstream cigarette making machine arrives.
  • the signal indicating the mass or volume flow is processed in the control unit 40 to optimize the air flow in the delivery line 22.
  • the supply of the amount of tobacco is controlled by the air throttling via the throttle valve 36 so that the tobacco speed is as low as possible and the amount of tobacco supplied is only slightly larger than the cigarette used by the cigarette making machine tobacco, so that there is a discontinuous feed with the longest possible charging phases.
  • the control unit 40 may be formedseciernend. If, for example, an interruption of the tobacco flow occurs by falling below a certain predetermined minimum value for the mass or volume flow, the control unit 40 stores this value as a limit, which is observed for future regulation, so that it is no longer below. In this way, a so-called. Stuttering is prevented. In contrast, limited tobacco stream breaks may be in the ordinary range and are dependent on the design of the entire batching plant, such as the duration and phase of the feed process. from the pipe lengths; These characteristics can be learned by the control unit and taken into account so that the control does not oscillate.

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Claims (12)

  1. Dispositif d'amenée de tabac haché depuis une unité d'alimentation en tabac (2 ; 100) vers une unité de transformation du tabac, de préférence une machine de fabrication de cigarettes, comportant un dispositif de transport (20) qui peut être relié à au moins une unité d'alimentation en tabac (2; 100) et à au moins une machine de transformation du tabac et qui est prévu pour déplacer le tabac haché (6), comportant un organe de réglage (36) destiné à influencer la vitesse de transport du tabac haché (6) dans le sens de transport (20), au moins un dispositif de détection (44 ; 144), et un dispositif de régulation (40) qui est raccordé au dispositif de détection (44 ; 144) et à l'organe de réglage (36) et qui est prévu pour commander l'organe de réglage (36), en fonction d'un signal émis par le dispositif de détection (44 ; 144), afin de réguler la vitesse de transport à une valeur prédéterminée, dans lequel le dispositif de détection (44 ; 144) est conçu pour mesurer l'écoulement en masse ou l'écoulement en volume du tabac coupé (6),
    caractérisé en ce qu'un magasin intermédiaire (26) est prévu pour stocker temporairement le tabac haché (6) et est conçu de façon telle que l'augmentation du niveau se fait dans le sens essentiellement horizontal, en ce que le dispositif de détection comporte un bloc capteur (44) destiné à mesurer le niveau du magasin intermédiaire (26) et en ce qu'est prévue une unité d'analyse (40) qui détermine l'écoulement en masse ou en volume du tabac haché (6) à partir de la vitesse d'augmentation du niveau.
  2. Dispositif selon la revendication 1, caractérisé en ce que le bloc capteur (44) présente plusieurs capteurs qui sont disposés les uns derrière les autres approximativement dans le sens de l'augmentation du niveau du magasin intermédiaire (26) et sont de préférence placés pour former approximativement une rangée.
  3. Dispositif selon le préambule de la revendication 1, caractérisé en ce qu'un magasin intermédiaire (26) est prévu pour stocker temporairement du tabac haché (6) et est conçu de façon telle que l'augmentation du niveau se fait dans le sens essentiellement horizontal, en ce que le dispositif de détection comporte un bloc capteur (144) destiné à mesurer l'écoulement en masse ou en volume du tabac haché (6), ce bloc capteur (144) étant prévu dans la zone d'une admission (24) ou au niveau de l'admission (24) du magasin intermédiaire (26).
  4. Dispositif selon la revendication 3, caractérisé en ce que le bloc capteur (144) est conçu en tant que détecteur haute fréquence ou en tant que détecteur à micro-ondes.
  5. Dispositif selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif de transport () présente un convoyeur à bande et/ou une vis sans fin.
  6. Dispositif selon au moins l'une des revendications 1 à 4, dans lequel le dispositif de transport (20) présente une conduite de transport pneumatique (22) et au moins un clapet d'étranglement réglable (36) prévu en tant qu'organe de réglage et destiné à commander le flux d'air dans la conduite de transport pneumatique (22), le magasin intermédiaire (26) présente une sortie pour dévier le flux d'air et à cette sortie est raccordé un flexible d'aspiration (34) dans lequel est disposé le clapet d'étranglement (36).
  7. Dispositif selon la revendication 6, caractérisé en ce que le dispositif de régulation (40) est exécuté pour commander l'organe de réglage (36) en fonction non seulement d'un signal émis par le dispositif de détection (44 ; 144), mais en plus par un signal émis par un autre capteur (48) qui indique la vitesse de l'air de transport afin de réguler la vitesse de transport à une valeur prédéterminée.
  8. Dispositif selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif de régulation (40) est exécuté pour commander l'organe de réglage en fonction non seulement d'un signal émis par le dispositif de détection (44 ; 144), mais en plus par au moins une variable de procédé de la machine de transformation du tabac, afin de réguler la vitesse de transport à une valeur prédéterminée.
  9. Dispositif selon la revendication 8, caractérisé en ce que la variable de procédé est la vitesse du boudin d'une machine à confectionner des cigarettes prévue en tant que machine à confectionner des boudins de cigarettes.
  10. Dispositif selon au moins l'une des revendications précédentes, caractérisé en ce que le dispositif de régulation (40) est en outre conçu pour commander l'unité d'alimentation en tabac (2 ; 100).
  11. Dispositif selon au moins l'une des revendications précédentes, caractérisé en ce qu'une servocommande (38 ; 228) est prévue pour commander l'organe de réglage (36 ; 236).
  12. Procédé d'amenée de tabac haché depuis une unité d'alimentation en tabac (2 ; 100) vers une machine de transformation du tabac, de préférence une machine à confectionner des cigarettes, dans lequel du tabac haché (6) est transporté via un dispositif de transport (20) depuis au moins une unité d'alimentation en tabac (2 ; 100) vers au moins une machine de transformation du tabac, la vitesse de transport du tabac haché (6) dans le sens de déplacement (20) est influencée par un organe de réglage (36), et l'organe de réglage (36) est commandé en fonction d'un signal émis par un dispositif de détection (44 ; 144) afin de réguler la vitesse de transport à une valeur prédéterminée, où le dispositif de détection (44 ; 144) mesure l'écoulement en masse ou l'écoulement en volume du tabac coupé (6),
    caractérisé en ce que le tabac coupé (6) est stocké temporairement dans un magasin intermédiaire (26) dans lequel l'augmentation du niveau se fait approximativement dans le sens horizontal, le niveau du magasin intermédiaire (26) est mesuré par le dispositif de détection (44) et l'écoulement en masse ou en volume du tabac coupé (6) est déterminé par une unité d'analyse (40) à partir de la vitesse d'augmentation du niveau.
EP09744974.8A 2008-11-07 2009-11-03 Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac Not-in-force EP2369949B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09744974T PL2369949T3 (pl) 2008-11-07 2009-11-03 Urządzenie do doprowadzania i sposób doprowadzania ciętego tytoniu z zespołu podawania tytoniu do maszyny do przetwarzania tytoniu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008056296A DE102008056296A1 (de) 2008-11-07 2008-11-07 Vorrichtung und Verfahren zur Zufuhr von Schnitttabak von einer Tabakaufgabeeinheit zu einer Tabakverarbeitungsmaschine
PCT/EP2009/007871 WO2010051969A1 (fr) 2008-11-07 2009-11-03 Équipement et procédé d'amenée de tabac haché entre une unité de chargement du tabac et une machine de transformation du tabac

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CN102209475A (zh) 2011-10-05
EP2369949A1 (fr) 2011-10-05
CN102209475B (zh) 2014-06-04
PL2369949T3 (pl) 2014-03-31
DE102008056296A1 (de) 2010-05-12

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