EP2477512A1 - Porte-lame pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac - Google Patents

Porte-lame pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac

Info

Publication number
EP2477512A1
EP2477512A1 EP10755107A EP10755107A EP2477512A1 EP 2477512 A1 EP2477512 A1 EP 2477512A1 EP 10755107 A EP10755107 A EP 10755107A EP 10755107 A EP10755107 A EP 10755107A EP 2477512 A1 EP2477512 A1 EP 2477512A1
Authority
EP
European Patent Office
Prior art keywords
knife
roller
pressure roller
rotation
blade
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.)
Granted
Application number
EP10755107A
Other languages
German (de)
English (en)
Other versions
EP2477512B2 (fr
EP2477512B1 (fr
Inventor
Michael Lüneburg
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43530223&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2477512(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to PL10755107T priority Critical patent/PL2477512T5/pl
Publication of EP2477512A1 publication Critical patent/EP2477512A1/fr
Application granted granted Critical
Publication of EP2477512B1 publication Critical patent/EP2477512B1/fr
Publication of EP2477512B2 publication Critical patent/EP2477512B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A24C5/28—Cutting-off the tobacco rod

Definitions

  • Knife carrier for a cutting device in extrusion machines of the tobacco processing industry
  • the invention relates to a knife carrier for a cutting device in
  • Extrusion machines of the tobacco-processing industry comprising at least one knife holder arranged on the knife support and rotatable about an axis of rotation of the knife support, which is designed to displaceably receive a knife, the knife being seated on the opposite sides of the knife by two rotatable roller elements; is held in the knife holder, wherein a roller element is formed as a drive roller for radially adjusting the knife outwardly and inwardly, such that the free rotation of the drive roller in both
  • Such knife carriers are used in the tobacco processing industry.
  • knife carrier are integrated in extrusion machines.
  • Strand machines are the strands of tobacco, filter material or other
  • the knife carrier is rotatably driven about a rotation axis.
  • At least one knife holder which carries a radially displaceable or adjustable knife or knife blade, is arranged on the circumference of the knife carrier. Act on the knives
  • Knife holder on cutting devices in extrusion machines known, in which the knife is held in the knife holder by two roller elements.
  • Roller element is designed as a drive roller.
  • the drive roller serves as
  • the drive roller blocks the free rotation of the roller element in both directions of rotation. Therefore, a frictional force, namely the static frictional force Fnaft ⁇ ⁇
  • the static frictional force FHaft i results from the coefficient of friction ⁇ and acting perpendicular to the knife normal force FN (FHaft ⁇ - ⁇ x FN).
  • the second roller element is designed as a pressure roller.
  • the pressure roller is spring-loaded.
  • the pressure roller is associated with a spring element, so that the pressure roller is pressed with a spring force FFeder against the knife.
  • the spring element is oriented obliquely with respect to the knife, such that a component of the spring force Fspring, namely FN spring perpendicular acts to the blade and another component, namely F ra diai / spring radially opposes to the outside of the cutting force Fexcellent.
  • the normal force FN is thus made up of the two force components F / spring and
  • Cutting force Fexcellent acts, formed by the Haftreibkraft F Haf t ⁇ and the rolling friction FR 0 M (FHait - FHaft i + FR 0 H). It is known that the rolling friction is much smaller as the static friction, which is why FR 0 H «F ⁇ f t ⁇ ⁇ is a prerequisite for holding the knife in the knife holder, that FHait> FFiieh and F Ha it> Fschnin. The previous holding force FHait is sufficient to counteract the centrifugal force Fpiieh of the knife. More precisely, the holding force FHait> FFiieh- In the meantime, however, the requirements or boundary conditions in strand cutting have changed.
  • the strands to be cut in particular the filter strands on particles such as hard granules or the like, which are compared to the actual strand material significantly harder.
  • the knife in the strand encounters particles that present increased resistance, which increases the cutting force.
  • the known device has the disadvantage that the applied holding force is limited, so that the risk exists that the knife is pushed radially inwardly into the knife holder due to the increased cutting force.
  • the invention is thus based on the object to provide a device which ensures an increased holding force of the blade, in particular in the radially inward direction.
  • Stiction replaced. Specifically, acts in a radially inwardly directed load, for example by the hard granules, between the then fixed in this direction of rotation pressure roller and the knife a frictional force, namely the Haftreibkraft FHaft. 2
  • the invention enables an increase in
  • Holding force F Ha it without increasing the normal force F » ie the pressing force of the pressure roller acting perpendicular to the knife, on the knife.
  • An expedient development of the invention is characterized in that the pressure roller is provided with a freewheel, such that the free rotation of the pressure roller is blocked radially inwardly, while the free rotation is given radially outward.
  • the freewheel allows a structurally simple implementation of the principle of the invention.
  • the freewheel blocks the free rotation in a desired direction of rotation while maintaining the free rotation in the other direction.
  • the free rotation of the pressure roller is blocked in both directions of rotation. Due to the complete locking of the pressure roller, the pressure roller is independent of the forces acting on it, so that a frictional force, namely the Haftreibkraft F Haf t 2 acts in both directions of rotation.
  • a further preferred embodiment of the knife carrier according to the invention is characterized in that the pressure roller is designed as a drive roller for radially adjusting the blade outwards and inwards.
  • the formation of the pressure roller as a drive roller is the particularly simple and effective implementation of the complete blocking / blocking of the pressure roller. Furthermore, the identical construction of the pressure roller relative to the drive roller simplifies the construction of the
  • Knife carrier Preferably, at least one roller element, preferably the pressure roller, associated with a spring element for exerting a force acting on the knife.
  • the spring element enhances the holding force (by increasing the normal force) for the Knife, so that higher loads on the knife, so increased centrifugal forces and increased cutting forces can be realized without moving the knife undesirable.
  • an advantageous development of the invention is characterized in that the spring element is aligned substantially perpendicular to the knife, such that the force applied by the spring element acts substantially perpendicular to the knife.
  • the spring element is aligned substantially perpendicular to the knife, such that the force applied by the spring element acts substantially perpendicular to the knife.
  • design-related and / or assembly-related deviations from the vertical orientation of the spring element to the knife are also covered by the claim.
  • the full spring force can be used.
  • Such a spring force then acts independently of the cutting force on the knife.
  • FIG. 1 is a schematic representation of a knife carrier with a plurality of knife holders
  • Fig. 2 is a schematic representation of a first invention
  • Pressure roller has a freewheel
  • Fig. 3 is a schematic representation of another invention
  • Fig. 4 is a schematic representation of a development of the embodiment according to Figure 2 with an additional pressure element.
  • the knife carriers or knife holders shown in the drawing are used for
  • a knife carrier is assigned a plurality of knife holders distributed uniformly over the circumference of the knife carrier.
  • the knife carrier 10 shown schematically in FIG. 1 is a preferably drum-like element.
  • the knife carrier 10 can be driven in rotation about the rotation axis R by means of a drive (not shown).
  • the blade carrier 10 is usually part of a cutting device in extrusion machines of the tobacco processing industry for cutting filter strands, tobacco strands or the like. However, the knife carrier 10 can also be used in other devices for cutting stranded products.
  • the knife carrier 10 comprises at least one knife holder 1 1.
  • the knife carrier 10 Preferably, and as shown in the figure 1, the knife carrier 10, however, a plurality of knife holder 1 1 assigned.
  • the blade holder 1 1 are distributed on the outside of the circumference of the blade carrier 10 evenly over the circumference.
  • Knife carrier 10 to the strand 12 is purely exemplary and not limited to the illustrated embodiment.
  • the knife carrier 10 and / or each knife holder 1 1 for example, inclined at an angle and / or twisted to the strand 12 stand.
  • each knife holder 1 1 fixed or adjustable on
  • Knife carrier 10 may be arranged.
  • the or each blade holder 1 1 can also be designed and set up to exercise a relative movement to the blade carrier 10.
  • Each knife holder 1 1 is designed and arranged for displaceable receiving a knife 13, which may be formed as a knife blade or the like.
  • the knife 13 is arranged in the knife holder 1 1 such that an adjustment of the knife 13 in the radial direction of the knife carrier 10 is ensured.
  • the adjustability is used in particular for adjustment of the knife 13.
  • the knife 13 are subject to (wear) wear.
  • the knives 13 are reground and thereby shortened, which is why in particular a feed of the knives 13 is necessary.
  • the adjustment is possible in radially inward and radially outward direction.
  • the knife 13 is held and / or guided in the knife holder 1 1 by rotatable roller elements 14.
  • Roller elements 14 can be both single roles as well as formed from several roles.
  • the roller elements 14 are arranged on mutually opposite sides of the blade 13, so that the blade 13 is held between at least two roller elements 14.
  • the roller elements 14 are formed as a pressure roller 15 and / or drive roller 16.
  • At least one roller element 14 is designed as a drive roller 16.
  • the drive roller 16 opposite roller element 14 is optionally as
  • the or each drive roller 16 is used for radially adjusting the blade 13 radially inward and radially outward. Radially inwardly denotes the adjustment of the blade 13 in the direction of the axis of rotation R, so that the knife 13 is pushed or pulled into the blade holder 1 1 inside. Radially outward refers to the opposite direction of the rotation axis R away, so that the knife 13 is pushed or pushed out of the knife holder 1 1.
  • the free rotation of a drive roller 16 is blocked or locked in both directions of rotation.
  • the free rotation of the pressure roller 15 is blocked or locked in at least one direction of rotation, namely at least radially inwardly to the axis of rotation R of the blade carrier 10 back.
  • a knife holder 1 1 is shown schematically, in which the knife 13 is held on one side by a drive roller 16 and on the opposite side by a pressure roller 15.
  • the drive roller 16 is in the free movement in both directions of rotation through the
  • the drive roller 16 so that between the drive roller 16 and the knife 13, which is in contact with the drive roller 16, a static friction force F Haf ii acts. Only the actuation of the drive means 17 leads to a rotational movement of the drive roller 16 for adjusting the blade 13 radially inwards or outwards.
  • the Pressure roller 15 is provided according to the invention with a freewheel (approved freewheeling direction according to arrow FFrei), so that the free rotation of the pressure roller 15 is locked in one direction. In the described embodiment, the freewheel (approved freewheeling direction according to arrow FFrei), so that the free rotation of the pressure roller 15 is locked in one direction. In the described embodiment, the freewheel (approved freewheeling direction according to arrow FFrei), so that the free rotation of the pressure roller 15 is locked in one direction. In the described embodiment, the freewheel (approved freewheeling direction according to arrow FFrei), so that the free rotation of the pressure roller 15 is locked in one
  • Pressure roller 15 acts.
  • the freewheel locks the free rotation of the pressure roller 15 so that a Haftreibkraft FHafu between the pressure roller 15 and the knife 13 acts.
  • the static friction force FH a ft 2 is greater than the rolling friction force FR 0 H.
  • FIG. 4 The embodiment according to FIG. 4 is essentially corresponding to FIG
  • Pressure roller 15 formed.
  • the pressure roller 15 is but one
  • the pressing member 22 may be formed in various known ways.
  • a toggle arrangement is provided.
  • the pressure roller 15 is connected to a first lever 23 which is fixedly arranged, for example, on the knife carrier 10.
  • a second lever 24 connects the pressure roller 15 with another roller 25, which is designed for rolling on a rolling surface 26, wall or the like.
  • the roller 25 is associated with an actuating element, which is formed in the example described from a mass 27 and a spring 28.
  • a holding force can be applied, which can be reinforced by the mass 27, in particular in the case of rotation of the knife carrier 10, in which the mass is forced outward by the centrifugal force and increases the holding force on the pressure roller 15.
  • FIG. 3 diagrammatically shows a knife holder 11 in which the rotatability of all roller elements 14 in each direction of rotation is blocked.
  • the knife 13 is held on both sides by roller elements 14 which are respectively blocked or locked in both directions of rotation.
  • the one roller element 14 is a drive roller 16, which in the free Rotary movement by the drive means 17, for example by the rack or the like, is locked.
  • the drive roller 16 stands so that between the drive roller 16 and the knife 13, which is in contact with the drive roller 16, a Haftreibkraft FHaft i acts. Only the actuation of the drive means 17 leads to a rotational movement of the drive roller 16 for adjusting the blade 13 radially inwards or outwards.
  • Roller element 14 is also blocked or locked in both directions of rotation.
  • the pressure roller 15 is also formed as a drive roller 18 for radially adjusting the blade outwards and inwards.
  • the pressure roller 15 can also be blocked or blocked in other ways in both directions of rotation.
  • the pressure roller 15 and the drive roller 18 is locked by a drive means 19 in the free rotation.
  • drive means 19 e.g. serve a rack or the like. Only the actuation of the drive means 19 leads to a rotational movement of the drive roller 18 for adjusting the blade 13 radially inward or outward. In other words, the drive roller 18, so that between the
  • Other drive means are alternatively also usable.
  • the drive means 17, 19 are synchronized, so that the adjustment of the blade 13 takes place radially outward and inward optimized.
  • At least one roller element 14 may be associated with a spring element 20.
  • the pressure roller 15 is spring-loaded, wherein the spring element 20 presses the pressure roller 15 against the blade 13.
  • the spring element 20 is arranged such that the spring force Fp e acts perpendicular to the knife 13.
  • the spring element 20 may also be arranged obliquely to the knife 13.
  • the spring element 20 in a
  • Be arranged guide channel 21 which is oblique to the knife 13 and in which the
  • the guide channel 21 is directed obliquely forward and outward, namely preferably directed at an angle ß to the knife 13, where ß ⁇ 90 ° (see Figure 2).
  • the knife holder 1 1 on each side of the knife 13, two or more roller elements 14 have.
  • Pressure rollers is held in the knife holder 1 1, and the adjustment of the blade 13 is achieved radially outward and inward by separate drive means.
  • the drive rollers 16, 18 may be spring-loaded.
  • each drive roller 16, 18 can be brought into contact with the blade 13 via a spring-actuated toggle lever arrangement or the like.
  • the knife 13 by a holding force which is formed on one side of the knife 13 by FHaft i and on the other side depending on the functional state by FR 0 H or FHaft 2, held in the knife holder 1 1.
  • the centrifugal force FFiieh wherein the holding force F Ha it is greater than FFiieh in each case, so that the blade 13 does not "slip" radially outward from the blade holder 1 1.
  • a radial inward load due to the cutting force cut the size of which can still increase due to said hard granules, prevents the holding force FHa from radially inwardly pushing the knife 13. With a radially inward load on the knife 13 acts between then in this Direction of rotation fixed
  • the invention makes it possible to increase the holding force FHait without increasing the normal force F N , ie the contact force acting perpendicular to the knife 13, on the knife 13. In the embodiment of Figure 3 act in both directions of rotation or

Landscapes

  • Preliminary Treatment Of Fibers (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Turning (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Crushing And Grinding (AREA)

Abstract

L'invention concerne un porte-lame (10) pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac. Au moins un dispositif de retenue de lame (11) conçu pour loger une lame (13) de manière coulissante est agencé sur le porte-lame (10) de manière rotative autour d'un axe de rotation R du porte-lame (10), la lame (13) étant retenue dans le dispositif de retenue de lame (11) par deux éléments rouleaux rotatifs (14) reposant sur les faces opposées de la lame (13). Un élément rouleau (14) se présente sous la forme d'un rouleau d'entraînement (16) permettant le déplacement radial de la lame (13) vers l'extérieur et vers l'intérieur, de telle sorte que la possibilité de rotation libre du rouleau d'entraînement (16) soit bloquée dans les deux sens de rotation, l'autre élément rouleau (14) se présentant sous la forme d'un rouleau de pression (15) dont la possibilité de rotation libre est bloquée radialement vers l'intérieur par rapport à l'axe de rotation R du porte-lame (10).
EP10755107.9A 2009-09-15 2010-09-02 Porte-lame pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac Not-in-force EP2477512B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10755107T PL2477512T5 (pl) 2009-09-15 2010-09-02 Wspornik noży dla urządzenia tnącego w maszynach do wytwarzania wałków przemysłu tytoniowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041776A DE102009041776A1 (de) 2009-09-15 2009-09-15 Messerträger für eine Schneidvorrichtung in Strangmaschinen der Tabak verarbeitenden Industrie
PCT/EP2010/005611 WO2011032676A1 (fr) 2009-09-15 2010-09-02 Porte-lame pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac

Publications (3)

Publication Number Publication Date
EP2477512A1 true EP2477512A1 (fr) 2012-07-25
EP2477512B1 EP2477512B1 (fr) 2015-02-25
EP2477512B2 EP2477512B2 (fr) 2018-03-21

Family

ID=43530223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10755107.9A Not-in-force EP2477512B2 (fr) 2009-09-15 2010-09-02 Porte-lame pour un dispositif de coupe dans des machines de formation de boudins de l'industrie de transformation du tabac

Country Status (5)

Country Link
EP (1) EP2477512B2 (fr)
CN (1) CN102481018B (fr)
DE (1) DE102009041776A1 (fr)
PL (1) PL2477512T5 (fr)
WO (1) WO2011032676A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20110237A1 (it) * 2011-04-29 2012-10-30 Gd Spa Testa di taglio di almeno un baco continuo in macchina per la produzione di articoli da fumo.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227218A1 (de) 2002-06-18 2004-01-08 Focke & Co (Gmbh & Co) Vorrichtung zum Durchtrennen eines Tabakstrangs

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1664050A (en) * 1926-08-21 1928-03-27 American Mach & Foundry Cigarette-machine cut-off
US1914756A (en) * 1931-10-27 1933-06-20 Muller J C & Co Cutting apparatus for cigarette making machines
GB377064A (en) † 1931-10-27 1932-07-21 Muller J C & Co Improvements in or relating to cutting apparatus for cigarette making machines
GB614997A (en) † 1946-08-07 1948-12-30 George Dearsley Improvements in or relating to tobacco cutting machines
DE1157524B (de) 1961-06-16 1963-11-14 Hauni Werke Koerber & Co Kg Messerhalterung an Schneidvorrichtungen in Strangmaschinen, insbesondere Zigarettenstrangmaschinen
GB1175200A (en) * 1966-12-29 1969-12-23 Hauni Werke Koerber & Co Kg Rotating Cutting Device.
DE2921665C2 (de) † 1979-05-29 1987-05-07 Hauni-Werke Körber & Co KG, 2050 Hamburg Vorrichtung zum selbsttätigen Vorschub von Schneidmessern an Tabakschneidmaschinen
IT1215000B (it) † 1986-02-13 1990-01-31 Giorgio Bragaglia Testa rotante a multilame mobili assialmente per macchine trinciatrici tabacco
US5557997A (en) * 1994-04-06 1996-09-24 Paper Converting Machine Company Apparatus for transverse cutting
IT1279717B1 (it) * 1995-12-21 1997-12-16 Gd Spa Dispositivo di taglio per bachi continui di sigaretta
CN2822245Y (zh) * 2005-08-29 2006-10-04 将军烟草集团有限公司 烟条切割装置中进刀盒平行度调整装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10227218A1 (de) 2002-06-18 2004-01-08 Focke & Co (Gmbh & Co) Vorrichtung zum Durchtrennen eines Tabakstrangs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011032676A1

Also Published As

Publication number Publication date
EP2477512B2 (fr) 2018-03-21
PL2477512T5 (pl) 2018-08-31
CN102481018B (zh) 2015-04-29
DE102009041776A1 (de) 2011-03-24
EP2477512B1 (fr) 2015-02-25
CN102481018A (zh) 2012-05-30
PL2477512T3 (pl) 2015-07-31
WO2011032676A1 (fr) 2011-03-24

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