EP2417861B2 - Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie - Google Patents

Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie Download PDF

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Publication number
EP2417861B2
EP2417861B2 EP11176505.3A EP11176505A EP2417861B2 EP 2417861 B2 EP2417861 B2 EP 2417861B2 EP 11176505 A EP11176505 A EP 11176505A EP 2417861 B2 EP2417861 B2 EP 2417861B2
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EP
European Patent Office
Prior art keywords
conveyor belt
strand
conveying direction
movable supports
supports
Prior art date
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Active
Application number
EP11176505.3A
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German (de)
English (en)
French (fr)
Other versions
EP2417861A1 (de
EP2417861B1 (de
Inventor
Katharina Hinz
Jürgen Grossmann
Ralf KRÜGER
Jörg Schlisio
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Koerber Technologies GmbH
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Koerber Technologies GmbH
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Publication date
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Application filed by Koerber Technologies GmbH filed Critical Koerber Technologies GmbH
Priority to PL11176505.3T priority Critical patent/PL2417861T5/pl
Publication of EP2417861A1 publication Critical patent/EP2417861A1/de
Publication of EP2417861B1 publication Critical patent/EP2417861B1/de
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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
    • A24C5/1857—Belt construction or driving means

Definitions

  • the invention relates to a device for conveying a strand of the tobacco processing industry in a conveying direction with a strand conveyor belt and a plurality of guide elements guiding the strand conveyor belt.
  • Devices of this type are used in a cigarette rod making machine to collect the tobacco, which is fed in the form of a shower to a rod conveyor forming the bottom of a rod guide channel, in a rod-forming zone and to convey it away from there—possibly through an excess removal device.
  • the lower strand of an air-permeable, endless, circulating suction belt subjected to negative pressure from its rear side is used as the rod conveyor, so that this type of conveyor is also referred to as a suction rod conveyor.
  • the lower strand of the suction belt, on which the accumulated tobacco fiber strand is conveyed hanging is referred to as the strand conveyor belt.
  • the rod conveyor belt extends in the tobacco channel from the start of the rod formation zone through an area of an excess removal device, in which an equalizer or trimmer removes excess tobacco from the tobacco rod, to a delivery end at which the tobacco rod formed is connected to a further conveyor device, preferably to a format belt of a rod unit, is delivered.
  • a further conveyor device preferably to a format belt of a rod unit
  • the tobacco rod is placed on a driven format belt covered with a strip of cigarette paper.
  • the format belt transports the tobacco rod and the cigarette paper strip through a format in which the cigarette paper strip is placed around the tobacco rod and glued, resulting in a cigarette rod that is finally processed into cigarettes or filter cigarettes.
  • the GB974,821 a device with a strand conveyor belt, which is guided on side guide elements with soft, replaceable inserts.
  • the EP 0 999 761 B1 the applicant shows a device for conveying a rod of the tobacco processing industry, in which a defined flow profile can be adjusted over the length of the tobacco channel.
  • the device of EP 0 999 761 B1 specifically lined up individual segments with different air passages to guide the strand conveyor belt.
  • the relatively small individual elements are made of highly wear-resistant material.
  • the EP 1 464 594 B1 the applicant shows a device for conveying a strand of the tobacco processing industry with a bearing for support rollers to support the strand conveyor belt.
  • the EP 1 169 926 A1 The applicant shows a device for conveying a rod of the tobacco processing industry with a channel at least partially having ceramic on its surface facing the tobacco.
  • the DE 42 15 059 A1 relates to a device for conveying a fiber rod in the tobacco processing industry, in particular a tobacco rod in the rod formation area of a rod manufacturing machine, with a rod guide channel and a rod conveyor belt circulating in its longitudinal direction at the bottom of the rod guide channel.
  • the object of the present invention is to improve the devices known from the prior art.
  • An apparatus is defined in independent claim 1.
  • This device is characterized in that the movable supports are arranged in one area of the device with a change in the direction of conveyance, with the guide elements being arranged in at least two sections, in one of the two sections the strand conveyor belt only through the movable supports and in the the other of the two sections is guided only by the static supports, and the sections are arranged in such a way that the strand conveyor belt passes the sections one after the other in the conveying direction.
  • embodiments of the device according to the invention have the advantage that they reduce or even avoid several disadvantages of known suction rod conveyors.
  • the wear and tear of the strand conveyor belt and the noise generated by the suction strand conveyor are significantly reduced.
  • the invention is based on the finding that the length of the conveying section of the suction rod conveyor and the high speed of modern cigarette rod machines place high demands on the parts of the device that directly or indirectly influence the running of a rod conveyor, in particular that wear and tear on the rod conveyor belt is caused to a not inconsiderable extent by Friction between the static guide elements and the strand conveyor belt and the heat generation associated with the friction is caused in particular at high speeds and the friction in turn depends on the pressure of the guide elements on the strand conveyor belt.
  • Static guide elements are fixed in relation to the strand conveyor belt, i.e. in the operating state there is a relative movement of the strand conveyor belt to the static guide elements. In this way, when guiding the strand conveyor belt, friction occurs between the static guide elements and the strand conveyor belt, which friction increases the greater the pressure of the guide elements on the strand conveyor belt or the strand conveyor belt on the guide elements. Damage to the strand conveyor belt can occur at points or areas of the strand conveyor belt where this friction between static guide elements and the strand conveyor belt becomes too great.
  • the invention is also based on the finding that with increasing conveying speed of line conveyors, the increased noise development is due in particular to the movable supports.
  • the solution according to the invention shows that, surprisingly, a combination of these two types of guide elements, each of which has disadvantages, can achieve a number of advantages overall.
  • the invention also includes the finding that a suction rod conveyor has significantly fewer areas with a critical pressure than areas with an uncritical pressure. In this way, the noise development of the suction rod conveyor according to the invention can be kept low overall, since the movable supports that are largely responsible for the noise development are only arranged in those areas of the device with critical pressure. Therefore, movable supports are usually only required in a few areas and the noise level remains low. On the other hand, in large parts of the device in which no critical pressure occurs, static supports with a lower noise level are used than movable supports.
  • This invention is further based on the recognition that a critical pressure occurs particularly where the strand conveyor belt changes the conveying direction. It is often not possible to convey the strand in a conveying direction that remains the same over the entire conveying section, for example horizontally. Rather, it is usually necessary to change the conveying direction in sections, for example by changing the conveying direction from the horizontal to an oblique conveying direction, for example with a deflection of the strand conveyor belt relative to the horizontal by a few degrees. Such a change in conveying direction leads to an increased pressure, which can lead to a critical load on the strand conveyor belt when using static supports with the disadvantages described above. According to the invention, movable supports are therefore provided in areas with a change in the conveying direction.
  • the strand conveyor belt is guided in sections either by static supports or by movable supports.
  • the sections are preferably arranged one after the other in the conveying direction. It can thus be ensured in an advantageous manner that where a critical pressure occurs, a section is arranged which contains only movable supports and thus no friction with critical heat generation occurs between the strand conveyor belt and static supports in this section.
  • the invention can be further developed in that the movable supports are arranged in a region of the device with a raising and/or lowering of the strand conveyor belt essentially perpendicular to the conveying direction.
  • This development form according to the invention is based on the knowledge that in areas in which the strand conveyor belt is lowered and/or raised, a critical pressure with the disadvantages described above can also occur.
  • Raising and/or lowering the strand conveyor belt is required, for example depending on the weight of the strand.
  • a raising and/or lowering of the rod conveyor belt is also preferred in the area of the excess removal device in order to be able to control the quantity of tobacco to be removed from the tobacco rod that has been showered up. Since the strand conveyor belt runs essentially horizontally and a change in the conveying direction usually only requires a deflection of a few degrees from the horizontal, the raising and/or lowering preferably takes place essentially perpendicular to the conveying direction, i.e. essentially in a vertical direction. Movable supports with the advantages described above are preferably provided in such a region of the device subject to increased pressure.
  • the invention can be further developed in that at least one of the movable supports can be adjusted essentially perpendicularly to the conveying direction in such a way that the strand conveyor belt can be raised and/or lowered essentially perpendicularly to the conveying direction.
  • the strand conveyor belt can be raised and/or lowered
  • at least one, preferably two or more, of the movable supports can be adjusted and preferably also fixed in such a way that that they are subject to an increase and/or decrease of the strand conveyor belt or can initiate this raising and/or lowering of the strand conveyor belt.
  • the invention can be further developed in that the movable supports are arranged in a region of the device in which the device is designed to deliver a strand to a further conveyor device, preferably a format belt. Furthermore, it is preferred that the movable supports are arranged in a region of the device that is adjacent in the conveying direction in front of a region of the device in which the device is designed to deliver a strand to a further conveyor device, preferably a format belt
  • the invention can be further developed in that the movable supports are arranged in a region of the device in which the device is designed to interact with a surplus removal device. It is furthermore preferred that the movable supports are arranged in a region of the device which, in the conveying direction, lies adjacent in front of a region of the device in which the device is designed to interact with a surplus removal device.
  • the excess removal device usually designed as a trimmer or equalizer, often requires the strand conveyor belt to be lowered and/or raised, often depending on the size of the trimming discs used in the excess removal device. Furthermore, it is often desired or necessary to provide a change in the conveying direction in the area in front of the interaction with the excess removal device. A change in the conveying direction in front of the area of the Cooperation with the excess removal device is particularly preferred when the excess removal device has large trimming discs. It is therefore particularly preferred to combine the forms of development mentioned above in connection with the raising and/or lowering of the strand conveyor belt, the corresponding adjustability of the movable supports and the change in the conveying direction with the forms of development mentioned here.
  • FIGS. 1 to 3 show an exemplary embodiment of a device 1 according to the invention for conveying a strand of the tobacco processing industry. Due to the dimensions of the device 1, the device is shown in three parts 1a, b, c divided into the three figures.
  • a strand conveyor belt is shown, which is also shown in three parts 100 a, b, c in the three figures.
  • the strand conveyor belt 100 a, b, c forms the lower run of a circulating strand conveyor.
  • the conveyor belt 100 a, b, c is shown cut off at points 102 and 103, ie it is in the Figures 1 to 3 only the lower strand 100a, b, c of the strand conveyor is shown.
  • the strand conveyor belt 100a,b,c is permeable to air, ie it has openings (not shown) through which a suction source (not shown) can suck in the air from bottom to top through the strand conveyor belt 100a,b,c.
  • a tobacco rod (not shown) is showered on the underside 101a, b, c of the rod conveyor belt and held by the suction.
  • the rod conveyor belt 100 a, b, c conveys a tobacco rod (not shown) along the conveying direction 140 a, b, c.
  • a horizontal conveying direction is represented by the arrows 140 a, b, c.
  • the arrows 140a', 140b' designate a conveying direction that is deflected by a few degrees from the horizontal, i. H. in these sections, the conveying direction is changed relative to the horizontal conveying direction 140a, b.
  • the strand conveyor belt 100a, b, c is guided by guide elements 211, 212, 311, 312, 313, 314, some of which are designed as static supports 211, 212 and some as movable supports 311, 312, 313, 314.
  • the movable supports 311, 312, 313, 314 are preferably designed as movable rollers which are rotatably mounted about an axis running perpendicular to the conveying direction 140a, b, c and 140a', 140b'.
  • the static supports 211, 212 are preferably made of hard metal or have hard metal.
  • the suction rod conveyor 1a, b, c has several sections 111, 112, 113, 114.
  • the strand conveyor belt 100a, b, c is guided only by the movable supports 311, 312, 313, 314 and not by static supports.
  • the strand conveyor belt 100 a, b, c is guided only by the static supports 211, 212 and not by movable supports.
  • the section 114 is used essentially for the accumulation and accumulation of tobacco fibers on the underside 101c of the strand conveyor belt 100c with a horizontally arranged conveying direction 140c.
  • no critical pressure usually occurs, so that only static supports 211, 212 of different sizes are provided, but no movable supports.
  • the static supports 211, 212 have the advantage that they are significantly quieter than mobile supports.
  • section 113 excess tobacco is removed from the tobacco rod.
  • a surplus removal device (not shown) is located in the area 131 within this section, which interacts with the device 1 according to the invention.
  • the excess removal device is, for example, an equalizer or trimmer with trimming disks.
  • the strand conveyor belt 100a, b, c is raised and/or lowered during operation. In this area 131, therefore, there is usually a critical pressure between the strand conveyor belt 100a, b, c and the guide elements, which, when static guide elements are provided, leads to critical heat generation and thus can lead to increased wear or even failure of the strand conveyor belt 100 a, b, c. Therefore, only movable supports 313 and no static supports are provided in area 131 .
  • the movable supports 313 can also be adjusted in a direction 320 essentially perpendicular to the conveying direction 140 a, b, c, 140 a', 140 b' in such a way that the strand conveyor belt 100 a, b, c is essentially perpendicular to the conveying direction 140 a, b , c, 140 a', 140 b' to be raised and/or lowered.
  • an adjoining area 132 In front of the area 131, which interacts with an excess removal device, there is an adjoining area 132 in which it is also preferred to provide only movable supports 314 and no static supports. This is particularly preferred when, for example due to the use of large trimming discs in the excess removal device, a change in the conveying direction is provided in front of the area 131, as shown by arrow 140 b′. Also in the area 132, due to the increased pressure when static supports are provided, a critical development of heat with the disadvantages mentioned would occur.
  • the conveying direction 140a runs horizontally without areas of critical pressure, so that only static supports 211, but no movable supports, are provided here.
  • section 111 there is the area 121 with the delivery end, at which the formed tobacco rod is delivered to a rod unit (not shown).
  • a critical pressure occurs in particular at the discharge end 121, so that in this area 121 the guidance of the strand conveyor belt 100a, b, c is only provided by means of movable supports 311 and not by means of static supports.
  • another area 122 is provided, in which on the one hand the conveying direction according to arrow 140a 'changes and also in this area 122 a critical pressure can occur, which leads to the above-mentioned disadvantages when guided by can lead to static conditions, which is why movable conditions 312 and no static conditions are preferably provided in this area.
  • the areas 112 and 114 with the plurality of static supports 211, 212 in contrast to the sections 111, 113 with the movable supports 311, 312, 313, 314 based on the total conveying distance of the device 1 according to the invention.
  • the resulting noise from the movable supports 311, 312, 313, 314 is therefore comparative low, especially compared to a device that is fully or largely equipped with movable supports.

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  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
EP11176505.3A 2010-08-09 2011-08-04 Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie Active EP2417861B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11176505.3T PL2417861T5 (pl) 2010-08-09 2011-08-04 Sposób i urządzenie do transportowania kabla przemysłu tytoniowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010039099A DE102010039099A1 (de) 2010-08-09 2010-08-09 Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie

Publications (3)

Publication Number Publication Date
EP2417861A1 EP2417861A1 (de) 2012-02-15
EP2417861B1 EP2417861B1 (de) 2018-10-10
EP2417861B2 true EP2417861B2 (de) 2023-08-02

Family

ID=44582335

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Application Number Title Priority Date Filing Date
EP11176505.3A Active EP2417861B2 (de) 2010-08-09 2011-08-04 Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie

Country Status (4)

Country Link
EP (1) EP2417861B2 (zh)
CN (1) CN102372153B (zh)
DE (1) DE102010039099A1 (zh)
PL (1) PL2417861T5 (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131919A (en) † 1965-06-11 1968-10-30 Honshu Paper Co Ltd Production of non-woven fabric by a dry process
US4924885A (en) † 1987-11-25 1990-05-15 Korber Ag Method of and apparatus for building, guiding and trimming streams of fibrous material

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL41736C (zh) * 1934-05-31
GB974821A (en) 1960-02-29 1964-11-11 Molins Machine Co Ltd Improvements in or relating to tobacco-manipulating machines
GB1476931A (en) 1973-05-30 1977-06-16 Molins Ltd Manufacture of filter-tipped cigarettes
DE8331349U1 (de) 1983-11-02 1985-04-11 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum bilden eines tabakstranges
DE3521972A1 (de) 1985-06-20 1987-01-02 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum bilden eines stranges aus tabak und zigarette, die mittels eines derartigen verfahrens hergestellt ist
DE4215059A1 (de) 1992-05-07 1993-11-11 Hauni Werke Koerber & Co Kg Vorrichtung zum Fördern eines Tabakstrangs
DE19733443A1 (de) 1997-08-02 1999-02-04 Hauni Maschinenbau Ag Vorrichtung zum Fördern eines Stranges der tabakverarbeitenden Industrie
GB9819404D0 (en) 1998-09-04 1998-10-28 Molins Plc Apparatus for forming a tabacco stream
DE19909216A1 (de) * 1999-03-03 2000-09-07 Hauni Maschinenbau Ag Vorrichtung zum Aufbauen eines kontinuierlichen Tabakstranges
DE10030296A1 (de) 2000-06-27 2002-01-10 Hauni Maschinenbau Ag Vorrichtung zum Fördern eines Stranges der tabakverarbeitenden Industrie
DE10231548A1 (de) * 2002-07-11 2004-03-25 Focke Gmbh & Co. Kg Vorrichtung und Verfahren zum Herstellen eines Faserstrangs der tabakverarbeitenden Industrie
EP1464594B1 (de) 2003-04-04 2006-06-07 Hauni Maschinenbau AG Lager
ITBO20030767A1 (it) 2003-12-22 2005-06-23 Gd Spa Unita' per la formazione di un tappeto continuo di tabacco
DE102005024645A1 (de) * 2005-05-25 2006-11-30 Hauni Maschinenbau Ag Vorrichtung zur Aufbereitung und/oder Herstellung von stabförmigen Gegenständen der tabakverarbeitenden Industrie
DE102005025749B4 (de) * 2005-06-02 2013-11-14 Hauni Maschinenbau Ag Reinigungsvorrichtung und Reinigungsverfahren für einen Strangführungskanal einer Strangherstellmaschine der Tabak verarbeitenden Industrie
PL2120614T3 (pl) * 2006-12-28 2013-08-30 Philip Morris Products Sa Różne postacie wykonania do wytwarzania pręta tytoniowego z biegnącym przez niego pustym kanalikiem

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131919A (en) † 1965-06-11 1968-10-30 Honshu Paper Co Ltd Production of non-woven fabric by a dry process
US4924885A (en) † 1987-11-25 1990-05-15 Korber Ag Method of and apparatus for building, guiding and trimming streams of fibrous material

Also Published As

Publication number Publication date
CN102372153A (zh) 2012-03-14
DE102010039099A1 (de) 2012-02-09
EP2417861A1 (de) 2012-02-15
EP2417861B1 (de) 2018-10-10
CN102372153B (zh) 2016-01-20
PL2417861T3 (pl) 2019-04-30
PL2417861T5 (pl) 2023-10-02

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