EP1535523B1 - Vorrichtungen und Verfahren zum Trennen von Tabak von einem Tabakkuchen - Google Patents

Vorrichtungen und Verfahren zum Trennen von Tabak von einem Tabakkuchen Download PDF

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Publication number
EP1535523B1
EP1535523B1 EP04090463A EP04090463A EP1535523B1 EP 1535523 B1 EP1535523 B1 EP 1535523B1 EP 04090463 A EP04090463 A EP 04090463A EP 04090463 A EP04090463 A EP 04090463A EP 1535523 B1 EP1535523 B1 EP 1535523B1
Authority
EP
European Patent Office
Prior art keywords
separating
drive
tobacco
drives
blades
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
EP04090463A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1535523A3 (de
EP1535523A2 (de
Inventor
Birger Buhk
Bernhard Brinkmann
Albert-Berend Hebels
Hauke-Peter Hamkens
Eugen Schwarz
Uwe Bach
Torben Wüpper
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.)
Hauni Primary GmbH
Original Assignee
Hauni Primary 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 Hauni Primary GmbH filed Critical Hauni Primary GmbH
Priority to PL04090463T priority Critical patent/PL1535523T3/pl
Publication of EP1535523A2 publication Critical patent/EP1535523A2/de
Publication of EP1535523A3 publication Critical patent/EP1535523A3/de
Application granted granted Critical
Publication of EP1535523B1 publication Critical patent/EP1535523B1/de
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

Definitions

  • the invention relates to a device for separating tobacco from a tobacco cake, comprising a rotationally drivable release agent with at least one separating element, and a drive for driving the separating means, wherein the drive is an electromechanical direct drive.
  • the invention further relates to a device for separating tobacco from a tobacco cake, comprising a rotationally drivable release agent having at least one separating element, and a plurality of drives, wherein a first drive for driving the separating means and a second drive for moving the separating element is used.
  • the invention further comprises a method of separating tobacco from a tobacco cake, comprising the steps of: supplying the tobacco cake to a release agent having at least one separator, and driving the separator to separate the tobacco from the tobacco cake by each separator, the release agent communicating with the tobacco or each separator for separating the tobacco is driven to rotate directly by an electromechanical direct drive.
  • Such devices which are part of a so-called tobacco cutter, are used in particular in the tobacco-processing industry in cigarette production.
  • the device is suitable for separating tobacco and / or ribs or other products.
  • a previously formed from compressed tobacco tobacco cake is fed from a compressor to the cutting device.
  • the cutting device then portions the tobacco cake by rotation of the separating agent with the separating elements. This also leads to wear of the separating elements, which is why they are advanced continuously or intermittently to compensate for the wear. When fully worn, the dividers must be replaced.
  • the release agent is driven by a drive by means of belts, toothed belts or other conventional drive elements.
  • this indirect drive has a number of disadvantages.
  • the construction of a device with such an indirect drive is very expensive and has a large variety of parts.
  • the direct drive is a torque motor, wherein the torque motor as bearing-free hollow shaft motor is formed.
  • the inventive construction a particularly compact design is achieved because it can be dispensed with a variety of components. By thus achieved smaller size, the drive can be easily encapsulated, so that the noise pollution is reduced by the drive. The reduction of components and components leads at the same time to a reduced maintenance and cleaning effort. Another advantage is that the moment to be transmitted depends solely on the drive. Slippage between the drive and the release agent is thereby avoided. Due to the design as a bearing-free hollow shaft motor can be dispensed with an internal motor bearing, whereby the wear and thus the maintenance is reduced.
  • a stator of the drive is arranged stationary on an axis, while a corresponding rotor of the drive is connected via a hub to the separating means.
  • stator and the rotor are arranged in a recess of the hub, whereby a particularly compact and rigid arrangement is achieved.
  • both drives are electromechanical direct drives
  • the direct drives are torque motors, which are designed as a hollow shaft motor. This ensures a simple and compact construction of the device.
  • both drives are designed as electromechanical direct drives, wherein the second direct drive for the synchronous advancing or retracting all separating elements or separating blades, which are part of the separating elements, is formed. This allows a particularly effective and simple way a continuous adjustment of the cutting blade in on-line operation.
  • the second direct drive is directly and directly coupled to a ring gear, which is movable relative to the separating means.
  • each separating element in addition to the cutting knife a knife holder, liners, held in the bushes web, spindles on which the liners are movable, guide rails and transmission elements and a drive pinion, wherein the ring gear respectively engaged with the drive pinion each separating element is.
  • the object is also achieved by a method with the steps mentioned in that the release agent with the or each separator directly by a torque motor as a direct drive, which is designed as a bearing-free hollow shaft motor is driven.
  • a torque motor as a direct drive
  • the torque to be transmitted depends solely on the direct drive, as can be dispensed with transmission links.
  • the method allows a slip-free drive of the release agent, whereby an exact adjustment of the separating elements or the separating knife is guaranteed as part of the separating elements.
  • the rotational movement of the separating means is superimposed by a rotational movement of a toothed ring for moving the separating elements or separating blades. This allows a continuous adjustment of the separating elements or the separating knife. Furthermore, the method ensures a high adjustment range of the separating elements or the separating knife.
  • the devices shown as well as the described method for separating tobacco from the tobacco cake are used in the manufacture of cigarettes or the like.
  • FIG. 1 shows a device 10 for separating tobacco from a tobacco cake.
  • the device 10 is part of a tobacco cutter and has a release agent 11 with at least one separating element 12 and a drive 13.
  • the separating means 11 is a cutting plate 14.
  • On the cutting plate 14 a plurality, preferably eight uniformly and concentrically arranged about the rotation axis 15 separating elements 12 are arranged.
  • the number and location of the dividers 12 may vary.
  • the release agent 11 may alternatively be formed as a cutting drum.
  • the drive 13 is an electromechanical direct drive.
  • the direct drive is designed as a torque motor and connected directly to the cutting plate 14 or on attached to this.
  • the torque motor is designed as a hollow shaft motor, which is self-bearing-free.
  • the torque motor is disposed within a concentric about the axis of rotation 15 recess 16 of a hub 17, wherein the hub 17 by means of conventional bearings 18, eg ball bearings, is rotatably mounted on a stationary shaft 19.
  • the axis 19 is hollow, so that it can serve as a cable gland or the like.
  • the torque motor comprises a stator 20 and a rotor 21.
  • the stator 20 is fixedly arranged on the axis 19.
  • the stator 20 is fastened to a flange element which is designed as an annular disc 22, which in turn is arranged in the region of the hub 17 on the side facing the cutting plate 14.
  • the annular disc 22 also serves as a centering for the stator 20 and is fastened to a cover element 23 which is designed as a base plate.
  • the interior of the hub 17 is sealed off from the base plate by means of a labyrinth seal.
  • the rotor 21 is fixedly connected to the hub 17, so that a rotational movement of the rotor 21 directly and directly on the hub 17 is transferable.
  • the rotor 21 is coupling-free directly and rigidly connected via the hub 17 with the cutting plate 14.
  • the device 10 has two drives, namely the drive 13 for driving the separating means 11 and a drive 24 for moving separating knives 35, which are part of the separating elements 12 as knife blades.
  • Both drives 13, 24 are designed as direct drives, as torque motors.
  • As drive 24 and a conventional indirect drive can be used.
  • other conventional direct drives are also usable.
  • the drives 13, 24 are preferably arranged in succession on the same axis 19. Alternatively, however, each drive 13, 24 may be arranged on its own axis.
  • the drives 13, 24 are separately controllable, so that a differential speed is adjustable.
  • the drives 13, 24 may be connected to a common (not shown) control and / or regulating unit, on the one hand to set a desired differential speed or on the other hand to synchronize the drives 13, 24.
  • the drive 13 is formed and arranged according to the above description, so that a further description is omitted.
  • the drive 24 serves to drive a toothed rim 25 or the like, which is in operative connection with the separating elements 12.
  • the ring gear 25 extends concentrically about the axis of rotation 15 and is fixedly connected to a cylindrical member 26 which is slipped over the hub 17.
  • the element 26 is designed to be movable relative to the hub 17 and arranged.
  • the drive 24 also comprises a stator 27 and a rotor 28.
  • the stator 27 is fixedly arranged on a support element 29.
  • the support member 29 is fixed and secured against rotation on the axis 19.
  • the rotor 28 is fixedly connected to the element 26, such that a rotation of the rotor 28 leads to a rotation of the element 26 and thus of the ring gear 25.
  • the element 26 is rotatable by means of conventional bearings 30, e.g. Ball bearing, mounted on the axle 19.
  • rotary encoders 31, 32 are arranged, by means of which the rotational speed or the rotational angle position of the drives 13, 24 can be detected.
  • a first rotary encoder 31 is arranged on the one hand on the axis 19 and detects the rotation angle position of the drive 24 via a rotational position transfer frame 50.
  • the second rotary encoder 32 is attached to the cover element 23, which is designed as a base plate, and detects the rotation angle position of the hub 17 via a pinion and thus that of the drive 13.
  • the separating elements 12 are detachably arranged on the cutting plate 14.
  • Each separating element 12 has a housing 33. Within the housing 33, which is accessible at least by means of a removable cover 34, the actual cutting knife 35 is arranged.
  • the plate-like separating knife 35 is radially aligned with its cutting edge 36 and arranged detachably on a knife holder 37.
  • the separating knife 35 is preferably fastened to a web 39 with at least one screw 38, a snap closure or the like.
  • the web 39 is fixedly but detachably held at opposite ends in bushings 40, 41, wherein the liners 40, 41 on a respective spindle 42, 43, namely a so-called feed screw, are arranged movable.
  • the liners 40, 41 guided on guide rails 44, 45.
  • the guide rails 44, 45 extend parallel to one another and are fastened to the housing 33.
  • the cutting knife 35 is disposed obliquely within the housing 33, such that the cutting knife 35, starting from the web 39, on which the cutting blade 35 is mounted, with respect to the spindles 42, 43 extends obliquely upward.
  • the spindles 42, 43 are provided on the side facing the cutting edge 36 with a transmission element 46, 47 which are each designed to transmit the rotation of a drive pinion 48 to the spindles 42, 43.
  • the drive pinion 48 is engaged with the ring gear 25.
  • the liners 40, 41 from its initial position shown in Figure 4 in the direction of the transmission elements 46, 47 movable, so that the separating blade 35 is thereby advanceable. If the speed of the drive 24 is higher than the speed of the drive 13, this will cause the cutting blades 35 to retract in the opposite direction. In other words, determines the phase position of the drives 13, 24, the position of the cutting blade 35.
  • other conventional drive mechanisms for the transmission of the rotation of the ring gear 25 in a linear movement of the cutting blade 35 can be used.
  • the hub 17, which transmits the torque from the rotor 21 to the cutting plate 14 is mounted on the axis 19 and thus absorbs the tilting moments and axial forces.
  • the advantages of this method are that the moments that can be transmitted depend solely on the drive 13. On a lower or translation can be omitted, since the cutting plate speed corresponds to the drive speed.
  • the movement of the separating knife 35 is achieved in that the drive 13, the rotation of the cutting plate 14 and the drive 24, the rotation of the ring gear 25 relative to the cutting plate 14 realized.
  • the spindles 42, 43 are set in a rotary motion.
  • the movement, namely the feed or the retraction of the cutting blade 35 is determined. This method thus allows a central and synchronous movement of the cutting blade 35.
  • the required differential speed is very low, so that the drives 13, 24 run almost synchronously.
  • the rotational speeds of the cutting plate 14 and the ring gear 25 are respectively directly from the rotor 21 and 28 of the drive 13 and 24 in the corresponding functional unit, namely once the unit for driving the cutting plate 14 and the other unit for driving the cutting blade 35, initiated ,
  • a semi-automatic change of the separating blade 35 is ensured.
  • the arrangement according to the invention makes it possible to detect the wear of the separating knife 35.
  • the production is stopped, and the separating blades 35 are retreated by motor at an increased speed.
  • the cutting blades 35 are in their maximum retracted position, a signal is given to indicate to an operator that a change of the separating blade 35 can be completed.
  • Anschl Anschl mustend the cutting blade 35 is motor-engaged in the spindles 41, 42 and advanced in rapid traverse to engage in a grinding device. After grinding in the separating knife 35, production is resumed. This has u.a. also the advantage that unpolished cutting blades 35 can be used.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)
EP04090463A 2003-11-25 2004-11-25 Vorrichtungen und Verfahren zum Trennen von Tabak von einem Tabakkuchen Expired - Lifetime EP1535523B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04090463T PL1535523T3 (pl) 2003-11-25 2004-11-25 Urządzenie i sposób cięcia tytoniu z placka tytoniowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355874A DE10355874A1 (de) 2003-11-25 2003-11-25 Vorrichtungen und Verfahren zum Trennen von Tabak von einem Tabakkuchen
DE10355874 2003-11-25

Publications (3)

Publication Number Publication Date
EP1535523A2 EP1535523A2 (de) 2005-06-01
EP1535523A3 EP1535523A3 (de) 2005-06-08
EP1535523B1 true EP1535523B1 (de) 2007-11-14

Family

ID=34442357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04090463A Expired - Lifetime EP1535523B1 (de) 2003-11-25 2004-11-25 Vorrichtungen und Verfahren zum Trennen von Tabak von einem Tabakkuchen

Country Status (6)

Country Link
EP (1) EP1535523B1 (pl)
JP (1) JP2005160478A (pl)
CN (1) CN100584226C (pl)
AT (1) ATE377966T1 (pl)
DE (2) DE10355874A1 (pl)
PL (1) PL1535523T3 (pl)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835299A (en) * 1953-02-16 1958-05-20 Koerber & Co Kg Removable drum type tobacco cutting machine with fixed grinding means
GB750639A (en) * 1953-02-16 1956-06-20 Kurt Koerber Improvements in tobacco cutting machines
DE966859C (de) * 1953-06-28 1957-09-12 Und Eisengiesserei A Heinen G Tabakschneidmaschine
DE961337C (de) * 1954-07-13 1957-04-04 Wilh Quester Maschinenfabrik Schneidmaschine fuer Tabak, Textilfasern u. dgl.
GB2105578B (en) * 1981-07-14 1985-02-06 Sagemueller Franz Gmbh Apparatus for cutting plant materials in particular tobacco
DE8625194U1 (de) * 1986-09-20 1988-01-21 Robert Bosch Gmbh, 7000 Stuttgart Elektrische Maschine, insbesondere elektrischer Motor
DE10021614A1 (de) * 2000-05-04 2001-11-08 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum automatischen Nachschleifen von Tabakschneidemessern
FR2811034A1 (fr) * 2000-06-29 2002-01-04 Technofan Ventilateur a moteur axial
PL204715B1 (pl) * 2002-05-08 2010-02-26 Int Tobacco Machinery Poland Krajarka do materiałów pochodzenia roślinnego, zwłaszcza do tytoniu

Also Published As

Publication number Publication date
CN1620944A (zh) 2005-06-01
EP1535523A3 (de) 2005-06-08
JP2005160478A (ja) 2005-06-23
DE502004005485D1 (de) 2007-12-27
DE10355874A1 (de) 2005-06-30
PL1535523T3 (pl) 2008-02-29
DE10355874A8 (de) 2006-06-01
EP1535523A2 (de) 2005-06-01
CN100584226C (zh) 2010-01-27
ATE377966T1 (de) 2007-11-15

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