EP1004247B1 - Méthode et appareil pour couper du tabac - Google Patents

Méthode et appareil pour couper du tabac Download PDF

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Publication number
EP1004247B1
EP1004247B1 EP99123137A EP99123137A EP1004247B1 EP 1004247 B1 EP1004247 B1 EP 1004247B1 EP 99123137 A EP99123137 A EP 99123137A EP 99123137 A EP99123137 A EP 99123137A EP 1004247 B1 EP1004247 B1 EP 1004247B1
Authority
EP
European Patent Office
Prior art keywords
cutting
set forth
tobacco
knife
knives
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.)
Expired - Lifetime
Application number
EP99123137A
Other languages
German (de)
English (en)
Other versions
EP1004247A1 (fr
Inventor
Wolfgang Metzner
Thomas Dipl.-Ing. Jung
Uwe-Peter Körner
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.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
BAT Cigarettenfabriken 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.)
Filing date
Publication date
Application filed by British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Publication of EP1004247A1 publication Critical patent/EP1004247A1/fr
Application granted granted Critical
Publication of EP1004247B1 publication Critical patent/EP1004247B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/04—Cutting tobacco by machines with revolving knives
    • A24B7/08—Cutting tobacco by machines with revolving knives with several knives which act one after the other
    • A24B7/12—Cutting tobacco by machines with revolving knives with several knives which act one after the other with cutter axes transverse to the feeding direction
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B7/00—Cutting tobacco
    • A24B7/04—Cutting tobacco by machines with revolving knives

Definitions

  • the present invention relates to a method and an apparatus for Cutting out tobacco in which a tobacco cake is fed to a mouthpiece which he exits, after which he uses a knife-cutting device, in particular one rotating knife drum is cut.
  • Knives are also used in other known cutting methods Use whose cut edges are profiled. So-called “castellated” are known here and “chiselled” knives (CSL knives), whose cutting edge profile is the shape of rectangular pinnacles or triangular pinnacles. When using this knife shifts the particle size distribution in a tobacco cutter compared to the continuous Normal knife. It is also known that the filling capacity of the cut tobacco when cutting with this knife turns out to be the same or less.
  • a separate mixture of cut tobacco brings different Cutting width but above all an increase in product throughput time, because the tobaccos with different cutting widths have to be stored temporarily, before they can be mixed.
  • Such mixing also brings another Degradation and also dust formation in cut tobacco due to the intermediate storage, the outsourcing and mixing with the other cutting widths itself, and there is therefore a less than optimal mixing of the individual Cutting widths.
  • the increase in filling capacity is accordingly in such a mixing process rather low.
  • a controlled tobacco cutter is known from GB-A-2066649. According to the teaching of this Document control technology is used, which determines the cutting width and returns to a preset value if the actual cutting width of deviates from the set value or from the desired value.
  • a method and an apparatus provide for cutting tobacco, with which the filling capacity of the cut tobacco is noticeably and reliably increased.
  • the noticeable increase in the filling capacity of the cut tobacco is according to the invention achieved in that in a continuous cutting process, the successive Cutting operations, of the tobacco cake in at least one Cutting process, a much wider section is cut off than others Cutting operations.
  • the continuous process alternates or at least successively smaller and larger width sections of the tobacco cake cut off, so that the cutting process automatically Mixture of tobacco of different widths is created. What is important in this Context that the tobacco sections with the larger cutting widths are essential be made wider than those with the small cutting widths.
  • the wide cut is preferred, preferably from a cutting width of 1 mm performed with so-called CSL knives, which, thanks to their defined cutting edge geometry, shorten the length of the broadly cut tobacco fibers to make them easier to move of tobacco and to improve the homogeneity of the mixture.
  • the advantage of the invention is in particular that the Filling capacity of the tobacco material cut in this way is significantly higher than in conventional ones Cutting methods or devices. It can when hiring suitably high cutting width differences filling capacity increases up to about 9% can be achieved.
  • the different tobacco slice widths are mixed in continuous process so to speak automatically so that the losses that arise if only tobacco of different cutting widths are stored and then mixed will no longer occur. For this reason, the one that can be achieved according to the invention falls Filling capacity increase also much larger than with such a conventional one Mixing process.
  • the cutting operations should follow each other so that the difference in width of the cut off tobacco sections significantly above the nominal or random width difference lies, which occurs in conventional cutting processes. Therefore the width difference is at least 20%.
  • a larger cutting width of the cut tobacco is essentially an integral multiple of a smaller one Cutting width, and in particular essentially twice the cutting width.
  • two different cutting widths have proven to be particularly advantageous: are approximately in the range of 0.85 mm and 1.7 mm.
  • a first option is the tobacco cake to cut with a rotating knife drum on which a circumferential distance between at least two knives is greater than at least one other circumferential distance. This ensures that between at least one and a subsequent one Cutting process takes more time than between other cutting processes, so that the tobacco cake is pushed a little further out of the mouthpiece can be. Accordingly, the at least one cutting operation is of course achieved a larger cutting width in the continuous cutting process, so that the tobacco sections with the substantially different cutting widths in continuous cutting process can be generated.
  • the greater circumferential distance is advantageously at least 20% larger than other circumferential distances and in particular is essentially one integer multiple of a smaller circumferential distance, preferably twice.
  • the device has a conventional knife drum with a uniform circumference distributed knife attachments, with at least one knife from its attachment removed and preferably replaced by a counterweight.
  • a knife arrangement is now particularly simple and therefore inexpensive reached, in which a circumferential distance between two knives is greater than the remaining circumferential distances. Simply by removing a knife from his Attachment can thus be achieved the effect of the invention, the balance weight can be used to prevent the knife drum from becoming unbalanced.
  • a second way of realizing the inventive idea is to implement the Tobacco cake between at least two cutting operations with a much larger one Extending speed out of the mouthpiece than between other cutting operations.
  • the knife roll can do this in even periods of time Cut off tobacco; when the tobacco cake feed is dynamic alternately faster and slower, this method also makes different Cutting widths generated. It is generally observed that the development in drive technology to more and more dynamic drives in the shortest possible time can brake and accelerate, and thus the possibility in the cutting process offer to ensure the appropriate cutting width difference. Even with this procedural or device variant should the greater speed of the tobacco cake feed preferably at least 20% higher than the lower speed and in particular be larger by an integer multiple, preferred twice as big.
  • a third possibility, according to the invention, of the suitable cutting width distribution achieve is to equip the knife drum with a dynamic drive, by means of which you can cut between at least two cutting operations with one essential rotates at a lower speed than between the other cutting operations.
  • the Knife drum runs here with continuously changing speed and thus realizes different cutting widths. Good results are also achieved here if the lower speed is at least 20% lower than the higher speed, especially an integer fraction of this greater speed and is preferably half as large.
  • the device according to the invention can be knives have on the cutting device, which have continuous smooth cutting edges. Successive knives can also have offset cutting edges. It is also advantageous to use knives with cutting edges Interact with fillets with profiled surfaces. Such fillets are located behind the edge of the knife and can be profiled to another Shape the cut tobacco.
  • FIG 1 is the basic structure of a tobacco cutting device, the total with 10 is shown.
  • the tobacco appears on the arrow I Place in the device and forms one below it Tobacco cake 1, further through the upper and lower feed chain 2, 3 for right side and is pressed.
  • Feed chains 2 and 3 are driven by a drive motor 4 via belts 11, 9. The tobacco cake reached after pressing the mouthpiece 5 of the cutting device, where it exit.
  • the knives 7 of a knife drum 6 run in the knife drum housing 8 is housed.
  • the knife drum 6 rotates in the direction of the arrow so that as each knife passes the mouthpiece 5, there is an emerging one Section of the tobacco cake is cut off. The cut tobacco leaves it Then the housing at the point indicated by arrow II.
  • FIG. 2 One way of realizing the invention is shown in FIG. 2 and is being discussed discussed here first.
  • FIG. 2 again shows the knife drum housing 8 and that from the mouthpiece 5 emerging tobacco cake 1 and the knife drum 6.
  • the knife drum 6 is a drum with three knife attachments, also triple Knife drum called.
  • the tobacco cake between the cut of the knife 7a and the subsequent cut of the Knife 7b only have half as much time to move forward as between the Section of the knife 7b and the section of the knife 7a following there again the circumferential distance between the knives 7a and 7b on the side shown above is only half the size of the page shown below.
  • the attachment 12 itself does not cut tobacco.
  • the filling capacity of the tobacco thus obtained is far above the average of those conventionally cut tobacco.
  • the tobacco cut width can thus be individual be set that the tobacco for subsequent tobacco preparation processes suitable is. Cut tobacco, which has a narrow particle size distribution, especially have few small parts ( ⁇ 1 mm) and a pneumatic one Transport device and the cigarette machine are adapted so that tobacco fiber segregation and further tobacco degradation can be restricted. This can can be achieved according to the invention. Another mix of individual tobacco different Cutting width to a finished tobacco mixture and the resulting degradation of tobacco does not take place.
  • the mass ratios of the tobacco fiber widths according to the cutter shown in Table 1 below occur for a triple knife drum: Triple knife drum Cutting width in mm Mass ratio of tobacco fiber widths ex cutter Number of knives removed 0.8 / 0.8 / 0.8 100% 0.8 mm 0 0.8 / 1.6 33% 0.8mm / 66% 1.6mm 1
  • the embodiment according to the invention with the dismantling of knives can also be carried out with knife drums with a larger number of knives.
  • Tables 2 and 3 below show the cutting width and the mass ratio for a 6-fold knife drum and an 8-fold knife drum with different numbers of dismantled knives.
  • a special order for a knife drum can be used as long at least one circumferential distance between two knives is larger than other circumferential distances.
  • the motor 4 one that is provided with a dynamic drive control, that is, via the Belts 9 and 11 discontinuously tobacco cake once faster and once moved forward more slowly.
  • the knife drum 6 with continuous Rotates speed are corresponding to the continuous cutting processes cut smaller and larger tobacco cut widths, so that it in turn for Distribution to be achieved according to the invention in the widths of the cut tobacco strips comes, and thus also to the desired increase in filling capacity.
  • the cut tobacco blends With regard to particle fiber distribution, mass ratio, Produce fillability and processability in a wide variety.
  • a commercially available cutting device becomes the drive technology of the feeding device modified for the tobacco fleece (tobacco cake 1) to the mouthpiece 5 so that the Feeding device speed in a freely adjustable program of Step by step can be varied so that many different, significantly different Cutting widths can be realized in one process flow.
  • the feed receives an angle and speed synchronous drive with a high dynamic has to in this rapid cutting process changes the cutting width of To be able to make cut to cut.
  • With the currently highly developed dynamic Drive technology can be easily implemented.
  • Figure 3 shows experimentally achieved filling capacities for different The tobacco cutting process is compared.
  • normal cut means one State-of-the-art method in which different individual cutting widths can be achieved with smooth knives
  • Mat ex TV shows experimental values for the Mixing tobacco of different cutting widths after going through the tobacco preparation, i.e. here are tobaccos that are on different cutters were cut with different widths of cut, stored and subsequently mixed together.
  • double cut in the cutter indicates cutting method according to the invention, namely the one referred to above as the first Cutting method, which was explained with reference to Figure 2. It is also called controlled cutting marked according to method 1.
  • the unit of filling capacity is ml tobacco per gram of tobacco, measured with a Borgwaldt densimeter at 12% tobacco moisture.

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  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Claims (20)

  1. Procédé de coupe de tabac dans lequel un gâteau de tabac (1) est amené en continu à une embouchure (5) de laquelle il sort, suite à quoi il est coupé au moyen d'un dispositif à couteau de coupe (6, 7), en particulier un tambour rotatif à couteaux (6), caractérisé en ce que dans au moins une opération de coupe, on coupe un morceau beaucoup plus large du gâteau de tabac (1) que dans les autres opérations de coupe, les opérations de coupe se succédant de telle sorte que la différence de largeur atteigne au moins 20 %.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une plus grande largeur de coupe est essentiellement un multiple entier d'une plus petite largeur de coupe, et en particulier essentiellement le double de cette largeur.
  3. Procédé selon les revendications 1 ou 2, caractérisé en ce que l'on crée deux différentes largeurs de coupe, en particulier d'environ 0,85 mm et 1,7 mm.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le gâteau de tabac (1) est coupé par un tambour rotatif à couteaux (6) sur lequel une distance périphérique entre au moins deux couteaux (7) est plus grande qu'au moins une autre distance périphérique.
  5. Procédé selon la revendication 4, caractérisé en ce que l'on utilise un tambour à couteaux (6) à la périphérie duquel les couteaux sont agencés de manière régulière et dans lequel au moins un couteau (7) a été enlevé de sa fixation (12) et a été de préférence remplacé par une masselotte d'équilibrage.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le gâteau de tabac (1) est refoulé hors de l'embouchure (5) à une vitesse essentiellement plus grande entre au moins deux opérations de coupe qu'entre les autres opérations de coupe.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'entre au moins deux opérations de coupe, le tambour à couteaux (6) tourne à une vitesse essentiellement plus petite qu'entre les autres opérations de coupe.
  8. Procédé selon l'une des revendications 1 à 7, caractérisé en ce que la coupe de plus grande largeur est coupée avec des tranchants de coupe profilés (couteaux CSL).
  9. Dispositif de coupe de tabac doté d'une amenée continue d'un gâteau de tabac (1), d'une embouchure (5) disposée sur l'amenée et de laquelle le gâteau de tabac (1) sort, ainsi que d'un dispositif de coupe à couteaux, en particulier un tambour rotatif à couteaux (6), qui est disposé devant l'embouchure (5), caractérisé en ce que le dispositif est configuré de telle sorte que dans au moins une opération de coupe, on coupe un morceau beaucoup plus large du gâteau de tabac (1) que dans les autres opérations de coupe, les opérations de coupe se succédant de telle sorte que la différence de largeur soit d'au moins 20 %.
  10. Dispositif selon la revendication 9, caractérisé en ce que la distance périphérique entre au moins deux couteaux (7a, 7b) du tambour rotatif à couteaux (6) est plus grande qu'une autre distance périphérique.
  11. Dispositif selon la revendication 10, caractérisé en ce que la plus grande distance périphérique est d'au moins 20 % plus grande que d'autres distances périphériques.
  12. Dispositif selon les revendications 10 ou 11, caractérisé en ce que la plus grande distance périphérique représente essentiellement un multiple entier d'une plus petite distance périphérique et en particulier le double.
  13. Dispositif selon l'une des revendications 10 à 12, caractérisé en ce qu'il présente un tambour à couteaux habituel (6) à la périphérie duquel des fixations de couteaux (12) sont réparties de manière régulière et dans lequel au moins un couteau a été enlevé de sa fixation (12) et a été de préférence remplacé par une masselotte d'équilibrage.
  14. Dispositif selon la revendication 9, caractérisé en ce qu'il présente un dispositif d'expulsion (2, 3, 4) qui, au moyen d'une commande d'entraínement, refoule le gâteau de tabac (1) hors de l'embouchure (5) à une vitesse essentiellement plus grande entre au moins deux opérations de coupe qu'entre d'autres opérations de coupe.
  15. Dispositif selon la revendication 14, caractérisé en ce que la plus grande vitesse est d'au moins 20 % plus élevée que la plus petite vitesse et est en particulier plus grande d'un multiple entier, de préférence le double.
  16. Dispositif selon la revendication 9, caractérisé en ce que tambour à couteaux (6) présente un entraínement dynamique au moyen duquel, entre au moins deux opérations de coupe, il tourne à une vitesse essentiellement plus petite qu'entre d'autres opérations de coupe.
  17. Dispositif selon la revendication 16, caractérisé en ce que la plus petite vitesse est d'au moins 20 % plus petite que la plus grande vitesse et en est en particulier une fraction entière, de préférence la moitié.
  18. Dispositif selon l'une des revendications 9 à 16, caractérisé en ce que les couteaux (7) du dispositif de coupe ont des tranchants de coupe continus et lisses ou en ce que les bords de coupe sont profilés avec un décalage entre des couteaux successifs.
  19. Dispositif selon l'une des revendications 9 à 16, caractérisé en ce que les tranchants de coupe des couteaux (7) coopèrent avec des cônes creux à surface profilée.
  20. Dispositif selon l'une des revendications 9 à 16, caractérisé en ce que le morceau essentiellement plus large est coupé avec des couteaux (7) dotés d'un tranchant de coupe profilé et le morceau plus petit avec des couteaux (7) dont le tranchant de coupe est lisse et continu.
EP99123137A 1998-11-26 1999-11-19 Méthode et appareil pour couper du tabac Expired - Lifetime EP1004247B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19854662A DE19854662B4 (de) 1998-11-26 1998-11-26 Tabakschneidverfahren und -vorrichtung
DE19854662 1998-11-26

Publications (2)

Publication Number Publication Date
EP1004247A1 EP1004247A1 (fr) 2000-05-31
EP1004247B1 true EP1004247B1 (fr) 2004-07-21

Family

ID=7889155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123137A Expired - Lifetime EP1004247B1 (fr) 1998-11-26 1999-11-19 Méthode et appareil pour couper du tabac

Country Status (6)

Country Link
EP (1) EP1004247B1 (fr)
JP (1) JP2000224978A (fr)
KR (1) KR20000035686A (fr)
AT (1) ATE271322T1 (fr)
CA (1) CA2289809A1 (fr)
DE (2) DE19854662B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104495308A (zh) * 2014-11-27 2015-04-08 上海烟草集团有限责任公司 无推力切丝机喂料装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW592642B (en) * 2002-02-04 2004-06-21 Japan Tobacco Inc Cigarette
GB0305607D0 (en) * 2003-03-12 2003-04-16 Garbuio Ltd Tobacco cutting apparatus
EP2106708A1 (fr) * 2008-03-31 2009-10-07 Reemtsma Cigarettenfabriken GmbH Cigarette
CN105074016A (zh) * 2013-04-10 2015-11-18 杰富意钢铁株式会社 修正装置、修正方法以及钢铁精炼方法
EP2991511B1 (fr) 2013-05-02 2020-09-16 JT International SA Matériau vaporisable et capsule
CN111374344B (zh) * 2018-12-29 2022-02-18 贵州中烟工业有限责任公司 一种烟支重量标偏的控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE132536C (fr) *
DE2947689A1 (de) * 1979-11-27 1981-07-30 Hauni-Werke Körber & Co KG, 2050 Hamburg Tabakschneider
EP0124255B1 (fr) * 1983-03-31 1988-07-20 Philip Morris Products Inc. Procédé et appareil pour couper des nappes de tabac d'une manière uniforme
GB8409157D0 (en) * 1984-04-09 1984-05-16 Amf Inc Knives in cutting machines
CZ293783B6 (cs) * 1993-09-07 2004-07-14 Philip Morris Products S.A. Způsob přípravy tabákové směsi, tabáková směs, kuřácký výrobek a otáčivý řezný nástroj pro řezání tabáku za účelem přípravy tabákové směsi

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104495308A (zh) * 2014-11-27 2015-04-08 上海烟草集团有限责任公司 无推力切丝机喂料装置
CN104495308B (zh) * 2014-11-27 2017-01-04 上海烟草集团有限责任公司 无推力切丝机喂料装置

Also Published As

Publication number Publication date
ATE271322T1 (de) 2004-08-15
CA2289809A1 (fr) 2000-05-26
KR20000035686A (ko) 2000-06-26
EP1004247A1 (fr) 2000-05-31
DE19854662B4 (de) 2004-06-03
DE19854662A1 (de) 2000-06-08
DE59910000D1 (de) 2004-08-26
JP2000224978A (ja) 2000-08-15

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