EP2462819B1 - Agencement de réglage pour une machine de fabrication de cigarettes et procédé de réglage du transport de la matière de remplissage de cigarettes - Google Patents

Agencement de réglage pour une machine de fabrication de cigarettes et procédé de réglage du transport de la matière de remplissage de cigarettes Download PDF

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Publication number
EP2462819B1
EP2462819B1 EP11009086.7A EP11009086A EP2462819B1 EP 2462819 B1 EP2462819 B1 EP 2462819B1 EP 11009086 A EP11009086 A EP 11009086A EP 2462819 B1 EP2462819 B1 EP 2462819B1
Authority
EP
European Patent Office
Prior art keywords
air
regulation assembly
cigarette
conveying
flow
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
EP11009086.7A
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German (de)
English (en)
Other versions
EP2462819A3 (fr
EP2462819A2 (fr
Inventor
Udo Kükenshöner
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.)
Riedel Filtertechnik GmbH
Original Assignee
Riedel Filtertechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Riedel Filtertechnik GmbH filed Critical Riedel Filtertechnik GmbH
Publication of EP2462819A2 publication Critical patent/EP2462819A2/fr
Publication of EP2462819A3 publication Critical patent/EP2462819A3/fr
Application granted granted Critical
Publication of EP2462819B1 publication Critical patent/EP2462819B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/14—Machines of the continuous-rod type
    • A24C5/18—Forming the rod
    • A24C5/1871—Devices for regulating the tobacco quantity

Definitions

  • the invention relates to a control arrangement for a cigarette manufacturing machine according to the preamble of claim 1 and a method for controlling the transport of the cigarette filler in a cigarette manufacturing machine according to the preamble of claim 7.
  • the cigarette filler which is mostly tobacco or a tobacco product, is transported by a conveying medium, which is usually designed as a circulating belt.
  • the cigarette filler is formed into a strand from which the cigarettes are made in the further process.
  • the pumped medium is air-permeable so that an air flow can pass through the pumped medium. This makes it possible to supply the cigarette filler to the delivery medium in an air flow, the cigarette filler being pressed against the delivery medium by the air flow passing through the delivery medium. In this case, there is a connection between the properties of the cigarette filler cord that is formed on the conveying medium and the prevailing flow conditions, in particular the rate of air passage through the conveying medium.
  • the contact pressure of the cigarette filler depends in particular on the flow conditions which occur immediately before the air enters the conveying medium to the pumped medium.
  • the contact pressure results from the specific drag coefficient (CW value) of the cigarette filler and its flow.
  • the compression of the cigarette filler and the resulting amount of filler per cigarette and their homogeneity depend on the contact pressure.
  • the pumped medium is generally subject to wear that occurs within a few hours of operation, the flow resistance of which to the air flow passing through changes due to the finest tobacco particles that are stored in the pumped medium.
  • the tobacco contains the finest but abrasive substances that pass through the medium with the air flow and are responsible for wear on the compressor, which is also worn out after a few months and loses efficiency in the course of this wear development.
  • the pressure loss when air passes through the medium is usually between 80 and 140 mbar.
  • Compressors which are flow machines, are therefore used to convey the air. This type of compressor is characterized by a volume flow dependent on the pressure difference to be overcome. The entire system is accordingly sensitive to fluctuations in pressure loss when air passes through the medium.
  • a continuous cigarette machine in which, in order to correct short-term fluctuations in the density of the cigarette filler transported on the conveying medium, it is exposed, if it is already on the conveying medium, to a second air stream flowing through the cigarette filler and the conveying medium.
  • the pressure loss is measured on a section of the cigarette filler flow that is shorter than a cigarette length, and thus the second air flow, which also acts on the cigarette filler on a section of the cigarette filler flow that is shorter than a cigarette length, and thus the compression of the cigarette filler in the moment that this is a surplus withdrawal device reached, regulates so that a steady flow of cigarette filler is achieved due to the decrease in excess.
  • this method is suitable for compensating for fluctuations in the density of the cigarette filler, it does not solve the problem of changes in the flow properties of the conveying medium during operation, it can even aggravate it, since changes in the properties of the conveying medium such as changes in the properties of the cigarette filler act on the measured variable of the control and so on lead to an adverse unwanted influence on the cigarette filler flow.
  • the invention is therefore based on the object of specifying a control arrangement and a method for controlling the cigarette filler transport, which enable the production of a cigarette filler strand with a continuously constant quality.
  • the control arrangement has a volume flow control for the air flow passing through the conveying medium and which transports the cigarette filler to the conveying medium. Because the volume flow is regulated, the amount of air passing through the medium and the suction speed remain constant regardless of the absolute pressure anywhere in the pneumatic system of the cigarette making machine. This ensures that if the air flow resistance of the pumped medium changes during operation, especially if, for example, pores of the air-permeable pumped medium clog with the finest tobacco particles and are thus sealed, this does not affect the control system, which is kept constant by the Air volume passing through the medium per unit of time, ie the control is independent of the change in pressure loss of the air passing through the medium when passing through the medium.
  • the control arrangement can have a measuring device for measuring the mass and / or volume flow.
  • Both the mass and the volume flow are in principle suitable as a suitable variable for measuring or regulating the volume flow of the air passing through the medium.
  • the mass flow offers the advantage of being directly proportional to the mass flow, ie the quantity of air molecules conveyed per unit of time, and thus independent of pressure and temperature influences.
  • the volume flow is also suitable as a measurement and / or control variable, since the fluctuations to which pressure and temperature are subject in the area of the measuring point in the present process are so small that the change in density of the air and thus the pressure and temperature influence on the dependence of the volume flow on the volume flow can be neglected.
  • the mass and / or volume flow can preferably be measured by a differential pressure measurement, which is based on the calculation of the mass / volume flow as a function of a pressure difference.
  • the differential pressure measurement can be carried out, for example, on a measuring orifice or another similar component located in the air flow or on a tapering of the line guiding the air flow, which is brought about by suitable internals. This type of measurement has the advantage of high reliability, especially in the present air flow, which is usually loaded with abrasive particles.
  • the measurement can also be carried out using other methods, in particular using the measurement of the heat flow of an electrically heated wire or the measurement of the pressure build-up in front of an impeller or a damper blade or similar internals.
  • the air delivery device which delivers the air passing through the delivery medium, is preferably connected to the inlet of an exhaust air system.
  • An exhaust air system initially means all types of process air discharge systems, for example it can be a simple hall ventilation, but it can also be a complex process air treatment system, which can have filter devices, for example.
  • Such an exhaust air system can serve, for example, to remove the finest particles of the cigarette filler, which are transported through the conveying medium with the air stream passing through the conveying medium, from the process air stream.
  • the air flow which initially transports the cigarette filler to the conveying medium, then passes through it and is transported from the conveying device, which can still be arranged in the cigarette manufacturing machine, to its exhaust air outlet or, if appropriate, to an exhaust air system becomes constant in stationary operation at any point in the air flow guide, at least as long as it has no branches, it is in principle possible to provide the control arrangement, in particular its measuring device, at every point of this air flow guide.
  • the control arrangement, in particular its measuring device is preferably arranged in the region of an air flow conveyed by the air conveying device to the exhaust air system. This is particularly advantageous if the air delivery device is provided within the cigarette manufacturing machine.
  • control arrangement and the cigarette making machine are spatially separated from one another greatly simplifies upgrading and retrofitting as well as maintenance, installation and conversion work.
  • Such a continuity of the air volume flow is in any case given for the air volume flow that actually passes through the conveying medium in the direction of conveyance up to the first branch, whereby any supply air flows that can occur, for example, due to leaks in the system, do not have a disruptive effect in continuous operation, since a precise knowledge of the air flow is not absolutely necessary. It is only important to keep it constant at a level that is optimized for the manufacture of cigarettes.
  • the air volume flow for example, which is constantly regulated between the air delivery device and the inlet of the exhaust air system, actually corresponds exactly and quantitatively exactly to the air volume flow passing through the medium, it is only important that the regulated volume flow and the volume flow actually passing through the medium depend quantitatively on each other.
  • the control arrangement preferably has a controlled throttle device, for example a throttle valve, as an actuator.
  • a controlled throttle device has the advantage that it represents a cost-effective and reliable possibility for regulating the air flow rate and makes it possible not to have to change the retrofitted control arrangement in the air delivery device, which can be, for example, a compressor.
  • the retrofitted control arrangement in the air delivery device, which can be, for example, a compressor.
  • a proposed exhaust air system preferably has a vacuum generating device.
  • This vacuum generating device is preferably arranged behind a central filter unit, ie it is no longer subject to wear from the finest cigarette filler particles conveyed with the air flow and can therefore provide additional air delivery capacity. This is particularly useful when the performance of the air delivery device due to its wear by the finest cigarette filler particles goes back. This loss of performance can then be compensated for by using the negative pressure provided by the central exhaust air system in order to relieve the air conveying device.
  • negative pressure is understood to mean that the absolute pressure of the negative pressure is lower than the absolute pressure of the air before it has passed through the conveyed medium.
  • volumetric air delivery device Another possibility for realizing the volume flow control according to the invention is the use of a volumetric air delivery device.
  • Conveying devices of this type for example rotary piston blowers or piston compressors, are distinguished by the fact that the volume flow conveyed depends directly on the speed of the air conveying device. Due to the sufficiently exact correlation between volume and mass or volume flow in the present case, a regulation of the volume flow according to the invention can already be implemented by using a volumetric air conveying device which, for example, by setting and / or regulating a constant speed to the Promotion of a constant volume flow is set or regulated.
  • volumetric air conveying devices in particular volumetric compressors
  • turbomachines which are normally used under the boundary conditions as they exist (low pressure loss in the conveying section)
  • an increase in the react to the pressure difference to be overcome with a decrease in the volume flow conveyed the volume flow remains constant with the use of positive-displacement volumetric air conveying devices and thus in the present case with sufficient accuracy the mass / volume flow.
  • the exemplary control arrangement according to the invention has a controlled throttle device 5 and a measuring device 4 for measuring the volume flow of the air conveyor 3, which is integrated in the example shown in the cigarette manufacturing machine 8, to the inlet 6 of an exhaust air system.
  • the exhaust air system 7 shown by way of example has a vacuum generating device 11 and a filter device 10 and has a plurality of inputs 6, so that a plurality of cigarette making machines 8 with control arrangements according to the invention can be connected to a common exhaust air system 7.
  • the cigarette filler 9 is fed to the conveying medium 2 by a feed device 1.
  • the conveying medium 2 is oriented such that the cigarette filler on the underside of the conveying medium 2 is pressed against the surface of the conveying medium 2 due to the air flow passing through the conveying medium.
  • the air volume flow passing through the conveying medium 2 is then conveyed out of the cigarette manufacturing machine 8 by the air delivery device 3, the air volume flow of this air conveyed out of the cigarette manufacturing machine 8 being regulated in the example shown by the control arrangement according to the invention.
  • the air flow After passing the throttle device 5 of the exemplary control arrangement, the air flow reaches the inlet 6 of the exhaust air system 7, the inlet 6 being designed to connect a plurality of train-making machines 8 to the exhaust air system 7 if required.
  • the exhaust air system 7 has a filter device 10, which filters out the finest cigarette filler particles from the exhaust air of the cigarette manufacturing machines, and a vacuum generating device 11, which is suitable for generating a vacuum which can be used to relieve the air conveying device 3 of the cigarette manufacturing machine 8.
  • FIG. 2 An alternative embodiment is shown in which a volumetric air delivery device 3 is used to implement the control according to the invention.
  • the regulation takes place here using the delivery characteristic of the volumetric air conveyor 3, in which the speed of the drive 12 is kept constant.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (15)

  1. Agencement de régulation pour une confectionneuse de cigarettes (8), sachant que la confectionneuse de cigarettes (8) présente un moyen de transport (2) perméable à l'air, qui est destiné au transport de la matière de remplissage de cigarettes (9), en particulier de tabac ou d'un produit à base de tabac, et un dispositif de transport d'air (3), sachant que le moyen de transport (2) est imperméable à la partie essentielle de la matière de remplissage de cigarettes (9),
    caractérisé en ce que
    l'agencement de régulation présente une régulation du flux massique du flux d'air s'échappant à travers le moyen de transport (2), transporte la matière de remplissage de cigarettes (9) dans le moyen de transport (2).
  2. Agencement de régulation selon la revendication 1,
    caractérisé en ce que
    l'agencement de régulation présente un dispositif de mesure (4) pour la mesure du flux massique et / ou volumétrique.
  3. Agencement de régulation selon revendication 1 ou 2,
    caractérisé en ce que
    le dispositif de transport d'air (3) est relié à une entrée d'une installation d'évacuation d'air (7).
  4. Agencement de régulation selon la revendication 3,
    caractérisé en ce que
    l'agencement de régulation, en particulier le dispositif de mesure (4) de celui-ci, est disposé dans la région d'un flux d'air conduit du dispositif de transport d'air (3) à l'installation d'évacuation d'air (7).
  5. Agencement de régulation selon revendication 3 ou 4,
    caractérisé en ce que
    l'installation d'évacuation d'air (7) présente un dispositif générateur de dépression (11).
  6. Agencement de régulation selon l'une des revendications précédentes,
    caractérisé en ce que
    l'agencement de régulation présente un dispositif d'étranglement (5), en particulier un papillon, en tant que composant de régulation.
  7. Agencement de régulation selon l'une des revendications précédentes,
    caractérisé en ce que
    le dispositif de transport d'air est un dispositif de transport d'air volumétrique (3).
  8. Agencement de régulation selon la revendication 7,
    caractérisé en ce que
    l'agencement de régulation présente un dispositif de régulation de la vitesse de rotation du compresseur en tant que composant de régulation.
  9. Procédé de régulation du transport, en particulier du flux massique, de la matière de remplissage de cigarettes (9), en particulier de tabac ou d'un produit à base de tabac, dans une confectionneuse de cigarettes (8), sachant que, pour son transport, la matière de remplissage de cigarettes (9) est pressée, par un flux d'air, dans un moyen de transport (2), sachant que le flux d'air s'échappe à travers le moyen de transport (2)
    caractérisé en ce que
    le flux massique de l'air s'échappant à travers le moyen de transport (2) et transporte la matière de remplissage de cigarettes (9) au moyen de transport (2), est régulé.
  10. Procédé selon la revendication 9,
    caractérisé en ce que
    le flux massique et/ou volumétrique de l'air s'échappant à travers le moyen de transport (2) est mesuré et, de préférence, utilisé en tant que grandeur de réglage.
  11. Procédé selon revendication 9 ou 10,
    caractérisé en ce que
    le dispositif de transport d'air (3) transporte à une installation d'évacuation d'air (7) l'air, s'échappant à travers le moyen de transport.
  12. Procédé selon la revendication 11,
    caractérisé en ce que,
    pour la régulation du flux massique de l'air s'échappant à travers le moyen de transport (2), on mesure le courant massique de l'air s'écoulant du dispositif de transport d'air (3) à l'installation d'évacuation d'air (7).
  13. Procédé selon l'une des revendications 11 ou 12,
    caractérisé en ce que,
    l'installation d'échappement d'air (7) génère une dépression de l'air s'écoulant du dispositif de transport d'air (3) à l'installation d'échappement d'air (7).
  14. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    le flux d'air s'échappant à travers le moyen de transport (2) est transporté par un dispositif de transport d'air (3) volumétrique.
  15. Procédé selon la revendication 14,
    caractérisé en ce que,
    pour la régulation du flux d'air transporté, une vitesse de rotation du dispositif de transport d'air est régulée en fonction du flux d'air massique désiré.
EP11009086.7A 2010-12-10 2011-11-16 Agencement de réglage pour une machine de fabrication de cigarettes et procédé de réglage du transport de la matière de remplissage de cigarettes Active EP2462819B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010054098A DE102010054098A1 (de) 2010-12-10 2010-12-10 Regelungsanordnung für eine Zigarettenherstellungsmaschine sowie Verfahren zur Regelung des Transports des Zigarettenfüllstoffs

Publications (3)

Publication Number Publication Date
EP2462819A2 EP2462819A2 (fr) 2012-06-13
EP2462819A3 EP2462819A3 (fr) 2014-12-10
EP2462819B1 true EP2462819B1 (fr) 2020-03-18

Family

ID=45002527

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009086.7A Active EP2462819B1 (fr) 2010-12-10 2011-11-16 Agencement de réglage pour une machine de fabrication de cigarettes et procédé de réglage du transport de la matière de remplissage de cigarettes

Country Status (3)

Country Link
EP (1) EP2462819B1 (fr)
CN (1) CN102524948B (fr)
DE (1) DE102010054098A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012106180A1 (de) * 2012-07-10 2014-01-16 Hauni Maschinenbau Ag Verfahren zum Steuern einer Maschinenkombination und/oder einer Maschine zur Verarbeitung von stabförmigen Artikeln der Tabak verarbeitenden Industrie sowie eine Maschinenvorrichtung dafür
DE102013004634A1 (de) * 2013-03-15 2014-09-18 Riedel Filtertechnik Gmbh Pneumatische Förderanlage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB958209A (en) * 1959-06-03 1964-05-21 Molins Machine Co Ltd Improvements in or relating to tobacco manipulating machines
GB990567A (en) * 1960-05-10 1965-04-28 Frederick Pocock Improvements in or relating to tobacco-manipulating machines
JPS58149670A (ja) * 1981-12-09 1983-09-06 モリンス・ピ−エルシ− 巻煙草ロツドの内圧測定方法とその装置等
DE19514925A1 (de) * 1995-04-22 1996-10-24 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Aufbereiten von bei der Herstellung von Artikeln der tabakverarbeitenden Industrie anfallenden Abluft
DE10051031A1 (de) * 2000-10-14 2002-04-18 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Bilden eines Tabakstranges
WO2002076245A1 (fr) * 2001-03-23 2002-10-03 Japan Tobacco Inc. Dispositif d'alimentation en tabac hache pour machine a caper
DE102004007841A1 (de) * 2004-02-17 2005-09-08 Hauni Maschinenbau Ag Strangmaschine, Verfahren zum Betrieb derselben und Luftfördersystem
DE102006031216A1 (de) * 2006-06-30 2008-01-03 Hauni Maschinenbau Ag Strömungskörper in einer Strangmaschine der Tabak verarbeitenden Industrie
DE102008056296A1 (de) * 2008-11-07 2010-05-12 Hauni Maschinenbau Ag Vorrichtung und Verfahren zur Zufuhr von Schnitttabak von einer Tabakaufgabeeinheit zu einer Tabakverarbeitungsmaschine

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CN102524948A (zh) 2012-07-04
CN102524948B (zh) 2015-07-08
EP2462819A3 (fr) 2014-12-10
EP2462819A2 (fr) 2012-06-13
DE102010054098A1 (de) 2012-06-14

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