EP1477074A1 - Method for separating tobacco from a block of tobacco and device for performing the method - Google Patents

Method for separating tobacco from a block of tobacco and device for performing the method Download PDF

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Publication number
EP1477074A1
EP1477074A1 EP04090198A EP04090198A EP1477074A1 EP 1477074 A1 EP1477074 A1 EP 1477074A1 EP 04090198 A EP04090198 A EP 04090198A EP 04090198 A EP04090198 A EP 04090198A EP 1477074 A1 EP1477074 A1 EP 1477074A1
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EP
European Patent Office
Prior art keywords
tobacco
cutting
cake
separating
zone
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
EP04090198A
Other languages
German (de)
French (fr)
Other versions
EP1477074B1 (en
EP1477074A8 (en
Inventor
Holger Brandt
Birger Buhk
Eugen Schwarz
Hauke-Peter Hamkens
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
Application filed by Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Priority to EP04090198A priority Critical patent/EP1477074B1/en
Priority to PL04090198T priority patent/PL1477074T3/en
Publication of EP1477074A1 publication Critical patent/EP1477074A1/en
Publication of EP1477074A8 publication Critical patent/EP1477074A8/en
Application granted granted Critical
Publication of EP1477074B1 publication Critical patent/EP1477074B1/en
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Anticipated expiration legal-status Critical

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    • 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
    • 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 Separator and a feeder for feeding the tobacco cake in by the or each separating element formed cutting plane. Furthermore, the invention relates a method of separating tobacco from a tobacco cake, comprising Steps: Transporting the tobacco cake into the area of the cutting plane with a at least one separating element provided rotating release agent, separating the Tobacco from the tobacco cake with the separator and diverting the severed Tobacco to a downstream discharge system.
  • Such methods and devices are used in the tobacco processing industry for use. It is made of a so-called tobacco cake, made of pressed Tobacco leaves, tobacco ribs or the like, single smaller tobacco portions separated and fed to further processing.
  • Known tobacco cutters the usually can also be designed as a trimmer, cut Tobacco slices from the tobacco cake by means of radially arranged around a rotary head Knife. The knives are led past the feed for the tobacco cake.
  • the material to be cut e.g. the separated tobacco over the Side edges of the knife led into a cavity in which also the rotating Knife carrier is arranged.
  • the separated tobacco passed into the cavity collides inevitably with the rotating parts, namely the moving parts of the Cutting head. These collisions lead to an increased Dust. On the other hand, the separated tobacco by the collisions also damaged.
  • the tobacco is then in a tangential direction from the cutting drum guided and hits almost unbraked at an obtuse angle on the surface of the Abschreibsystems, which again to dust and the associated loss of Raw material leads. Furthermore, this is due to the described treatment of the Tobacco also destroyed.
  • This object is firstly by a device of the type mentioned achieved in that the release agent in the region of each separator an opening has, which is designed such that the tobacco separated from the tobacco cake inevitably from the cutting plane on the side facing away from the tobacco cake Release agent is passed.
  • the inventive design of the release agent is In a particularly effective and surprisingly simple way a gentle separation of Tobacco tobacco cake and derivation of the separated tobacco possible because of separated tobacco immediately after separation from the cutting plane into one of The cutting zone separated area can be passed without the tobacco must be diverted.
  • the invention is on the tobacco cake facing front of the release agent a cutting zone and on the Tobacco cake facing away back of the release agent provided a sanctuary. Due to this local, due to the geometry of the release agent separation of Cutting zone and zone of protection is the zone of protection free of moving parts of the Device itself, so that the separated tobacco immediately after the separation is not continues to be charged. The separated tobacco is thus only by its own Air resistance braked. Which by its own weight downwards in the direction of the Dropping tobacco falling tobacco is due to the flow of air from the cutting zone very gently guided at low speed on the discharge system.
  • each breakthrough has a funnel-shaped, to the tobacco cake on the opposite side of the release agent towards opening shape.
  • This form of Breakthroughs allows a deflection-free, namely almost linear derivative of the Tobacco, whereby the burden on the tobacco is particularly effectively reduced.
  • the release agent is designed as a cutting plate, wherein the Cutting plate is arranged on a shaft defining the axis of rotation.
  • the release agent is a hollow drum formed, wherein the hollow drum is driven to rotate about the axis of rotation.
  • the object is achieved by a method with the aforementioned Steps solved in that the separated tobacco immediately after separation from the tobacco cake inevitably from the cutting plane through the release agent is passed to the tobacco cake away from the side of the release agent. This will be a gentle separation and guidance of the just separated tobacco on a downstream discharge system allows.
  • the devices shown in the figures are used for cutting and guiding of sliced tobacco in a tobacco cutter.
  • a device 10 which comprises a release agent 11.
  • the Release agent 11 is in this embodiment as a disc-shaped cutting plate 12th educated.
  • the cutting plate 12 has several, preferably eight evenly over The circumference distributed dividers 13, which is usually used as a knife 14th are formed.
  • four blades 14 are distributed over the circumference.
  • other release means 13 may be used, e.g. Split, shear or Impact elements or the like.
  • the four blades 14 and their cutting edges are formed radially aligned and adjustable. Through the adjustment or adjustment the knife 14, the wear of the blade 14 and the cutting edges, the is caused in particular by the regrinding of the cutting edges balanced become.
  • the position of the entire cutting plate 12th be changeable, in which case the knife 14 (stationary) firmly attached to the cutting plate 12 are.
  • the blades 14 form a cutting plane 15, which is parallel to the cutting plate 12th spans or extends.
  • the blades 14 have an angle of attack ⁇ of about 10 ° 50 °, with the preferred inclination of the blades 14 with respect to the cutting plane 15 is about 13 ° to 24 °.
  • the device 10 has a (not shown) on, by means of a tobacco cake 16 to the release agent 11 and the cutting plate 12 can be moved, in the region of the cutting plane 15th
  • This feeder can be used as a conveyor belt, conveyor chain or other common Be formed supply means.
  • the cutting plate 12 is arranged on a shaft 17, which is rotatably driven about a rotation axis 18.
  • the cutting plate 12 itself points in Area of the blade 14 each have a breakthrough 19.
  • the openings 19 are as Through opening formed so that a passage from the front 20 of the Cutting plate 12 on which the tobacco cake 16 is supplied to the back 21 of the Cutting plate 12 on which the separated tobacco is discharged, is created.
  • the cutting plate 12 borders with its geometry on the Front 20 located cutting zone 22 of a located on the back 21 Schonzone 23 from.
  • the zone of protection 23 is surrounded by a housing 24 which the Protective zone 23 almost completely closes from the environment.
  • each breakthrough 19 expediently a funnel-shaped, towards the back 21 opening shape (see in particular Figures 3 and 4).
  • the housing 24 is releasably secured to a base plate 27.
  • the base plate 27 is preferably as well as the cutting plate 12 disc-shaped and parallel and spaced from the cutting plate 12 so that the cutting zone 22 between the cutting plate 12 and the base plate 27 is formed.
  • the Base plate In the area of feeding the Tobacco cake 16 in the cutting zone 22 and in the cutting plane 15 has the Base plate has an opening 28 through which the tobacco cake 16 in the direction of Cutting plate 12 is conveyed.
  • the opening 28 is provided with a mouthpiece 29, to support the targeted and defined feeding the tobacco cake 16.
  • the base plate 27 has at least one further opening 30.
  • This Opening 30, of which several can be distributed over the circumference, is used for Introducing and / or sucking an air stream 31 formed from ambient air into the Cutting zone 22 and the guard zone 23.
  • air is from the cutting zone 22 for the formation of the air flow 31 by the rotational movement of the cutting plate 12 itself sucked.
  • the opening 30 is used for "breathing", so filling the cutting zone 22 with air to prevent a vacuum in the cutting zone 22.
  • By the air flow 31 is the gentle transport of tobacco tobacco stream 32 consisting of separated tobacco supported by the cutting zone 22 in the sanctuary zone 23.
  • To create an active one Air flow 31 can in the region of the base plate 27 also means (not shown) be arranged.
  • one is in Cutting direction (see arrow 33) leading, in the transport direction (see arrow 37) of the tobacco cake 16 extending edge 34 of the opening 19 in Cutting direction formed in front of the blade tip 35 of the blade 14.
  • the edge 34 has in the region of the front side 20 of the cutting plate 12, a slope 38 which the "Threading" the separated tobacco into the opening 19 facilitates.
  • One of the Knife tip 35 trailing edge 36 of the opening 19 extends, starting from the knife tip 35 first at an acute angle ⁇ , preferably of about 10 °, to the knife 14, then to leak in a radius to the sanctuary 23 out. This Geometry ensures a gentle and almost deflection-free transport of the Tobacco from the cutting zone 22 in the sanctuary 23rd
  • FIGS. 5 and 6 show a further embodiment of the device 10.
  • the same reference numbers are used for identical parts.
  • the devices 10 of Figures 1 to 4 on the one hand and Figures 5 and 6 on the other hand in principle are built on the same principle and work will be on a detailed Description of the same features and designs omitted.
  • the Device 10 according to Figures 5 and 6 as a release agent 11 a drum 41.
  • the Hollow drum 41 also has four, in preferred Embodiments also eight, evenly distributed over the circumference separating elements 13th or knife 14, which corresponds to the cutting plane 15 cutting circuit 15th describe.
  • the drum 41 itself is rotationally driven about a rotation axis 42.
  • the Knives 14 extend parallel in the direction of the axis of rotation 42.
  • the mouthpiece 29 is arranged so that the Cutting zone 22 between tobacco cake 16 and drum 41 is formed.
  • the sanctuary 23 is formed inside the drum 41.
  • the front side 20 is the side on which the tobacco cake 16 is supplied.
  • the interior of the drum 41 corresponds to the back 21.
  • Die Cutting plane 15 has in the second embodiment, a slight curvature parallel to Peripheral surface of the drum 41 extends.
  • the angle of attack ⁇ of the blade 14 to Cutting plane 15 substantially corresponds to that of the first embodiment.
  • the air flow 43 is transverse to the drum 41, namely in the direction of the axis of rotation 42.
  • the air flow 43 is by suitable means producible, preferably with a (not shown) blower.
  • the air flow 31 can on the one hand by rotation of the drum 41 itself in conjunction with the transverse to Drum 41 directed air flow 43 may be formed, so that a suction effect from the outside is generated inside the drum 41.
  • the airflow 31 can also be optional produced by additional means.
  • the reference numeral 44 is the cutting direction the drum 41 denotes.
  • the tobacco cake 16 is continuously guided to the cutting plate 12 and the drum 41, so that the tobacco cake 16 abuts against the cutting plate 12 and the drum 41.
  • the blades 14 reach the position at which the tobacco is separated from the tobacco cake 16.
  • the severing can be a cutting, splitting, shearing or the like and inter alia depends essentially on the density of the material to be separated. that does not have to be exclusively tobacco.
  • the separation process starts on the upper side of the tobacco cake 16.
  • the separated tobacco is - the tobacco stream 32 forming - immediately and immediately passed from the cutting zone 22 in the sanctuary zone 23.
  • the transport from the cutting zone 22 into the guard zone 23 is optionally assisted by the air flow 31 which is sucked in by the rotation of the separating means 11 itself, so that the air flow 31 at the cutting plate 12 from the front 20 to the back 21 and the drum 41st From the outside to the inside is passed through the apertures 19.
  • the tobacco stream 32 is initially almost linear, ie transported without the tobacco stream 32 accelerating or destroying deflections in the sanctuary zone 23. Since the guard zone 23 is free of any components of the device 10 itself, the collision of the tobacco stream 32 with other components can be prevented.
  • the tobacco stream 32 is therefore decelerated in the sanctuary 23 only by its own air resistance.
  • the braking effect is also supported by the different flow velocities, due to the small cross section in the area of the knives 14 or the cutting zone 22 on the one hand and the expanded cross section in the area of the guard zone 23 on the other hand.
  • the tobacco stream 32 is then in the device 10 according to Figures 1 to 4 by its gravity and optionally supported by the Air flow 31 gently directed in the direction of the discharge chute 26, where the Tobacco stream 32 then hits the discharge system at low speed.
  • the Tobacco flow 32 in the device 10 according to Figures 5 and 6 is characterized by the additional air flow 43 from the sanctuary zone 23 to an exit opening from the Drum 41 out.

Abstract

The tobacco cutting machine (10) has a rotor (11,12) with four apertures (19) accommodating knives or scraper blades (13,14). The knives may be set at 13-24 degrees to the vertical plane of the rotor disk. The disk turns inside a fixed housing (24) with a flat back-plate. The plate has a breather aperture (30) and the tobacco stick (16) is pushed onto the rotor through a second aperture (29). Tobacco flakes fall through an outlet aperture (26) in the bottom of the housing.

Description

Die Erfindung befaßt sich mit einer Vorrichtung zum Trennen von Tabak von einem Tabakkuchen umfassend ein rotierend antreibbares Trennmittel mit mindestens einem Trennelement sowie eine Zuführung zum Zuführen des Tabakkuchens in die durch das oder jedes Trennelement gebildete Schneidebene. Des weiteren betrifft die Erfindung ein Verfahren zum Trennen von Tabak von einem Tabakkuchen, umfassend die Schritte: Transportieren des Tabakkuchens in den Bereich der Schneidebene eines mit mindestens einem Trennelement versehenen rotierenden Trennmittels, Trennen des Tabaks vom Tabakkuchen mit dem Trennelement und Ableiten des abgetrennten Tabaks an ein nachgeordnetes Abfuhrsystem.The invention relates to a device for separating tobacco from a Tobacco cake comprising a rotationally drivable release agent with at least one Separator and a feeder for feeding the tobacco cake in by the or each separating element formed cutting plane. Furthermore, the invention relates a method of separating tobacco from a tobacco cake, comprising Steps: Transporting the tobacco cake into the area of the cutting plane with a at least one separating element provided rotating release agent, separating the Tobacco from the tobacco cake with the separator and diverting the severed Tobacco to a downstream discharge system.

Derartige Verfahren und Vorrichtungen kommen in der tabakverarbeitenden Industrie zum Einsatz. Dabei werden von einem sogenannten Tabakkuchen, der aus gepreßten Tabakblättern, Tabakrippen oder dergleichen besteht, einzelne kleinere Tabakportionen abgetrennt und der weiteren Verarbeitung zugeführt. Bekannte Tabakschneider, die üblicherweise auch als Stimschneider ausgebildet sein können, schneiden Tabakscheiben vom Tabakkuchen mittels radial um einen Rotationskopf angeordneter Messer. Die Messer werden an der Zuführung für den Tabakkuchen vorbei geführt. Beim Schneidvorgang wird das Schneidgut, also z.B. der abgetrennte Tabak über die Seitenflanken der Messer in einen Hohlraum geführt, in dem auch der rotierende Messerträger angeordnet ist. Der in den Hohlraum geleitete abgetrennte Tabak kollidiert dabei zwangsläufig mit den rotierenden Teilen, nämlich den bewegten Teilen des Schneidkopfes. Diese Kollisionen führen zum einen zu einer erhöhten Staubentwicklung. Zum anderen wird der abgetrennte Tabak durch die Kollisionen auch beschädigt. Such methods and devices are used in the tobacco processing industry for use. It is made of a so-called tobacco cake, made of pressed Tobacco leaves, tobacco ribs or the like, single smaller tobacco portions separated and fed to further processing. Known tobacco cutters, the usually can also be designed as a trimmer, cut Tobacco slices from the tobacco cake by means of radially arranged around a rotary head Knife. The knives are led past the feed for the tobacco cake. During the cutting process, the material to be cut, e.g. the separated tobacco over the Side edges of the knife led into a cavity in which also the rotating Knife carrier is arranged. The separated tobacco passed into the cavity collides inevitably with the rotating parts, namely the moving parts of the Cutting head. These collisions lead to an increased Dust. On the other hand, the separated tobacco by the collisions also damaged.

In anderen bekannten Tabakschneidern gleitet der Tabak nach dem Abtrennen vom Tabakkuchen über die Seitenflanken der Messer in eine unter den Messern angeordnete sogenannte Hohlkehle, aus der der Tabak dann an ein nachgeordnetes Abfuhrsystem geleitet wird. Der abgetrennte Tabak wird dabei mit hoher Geschwindigkeit, nämlich etwa mit der Schnittgeschwindigkeit der Messer, in die Hohlkehle gefördert bzw. geschleudert. Durch die beim Auftreffen auf die Hohlkehle bedingte Umlenkung des abgetrennten Tabakstroms wird dieser auf eine Geschwindigkeit beschleunigt, die etwa doppelt so groß ist wie die Schnittgeschwindigkeit der Messer. Da die Beschleunigung auch noch in einem sehr engen Radius der Hohlkehle erfolgt, wird der Tabak einer sehr hohen Belastung ausgesetzt, die wiederum zu erhöhter Staubentwicklung und somit zu Rohmaterialverlusten führt. Nach der Umlenkung und der dadurch bedingten Beschleunigung wird der Tabak dann in tangentialer Richtung aus der Schneidtrommel geführt und trifft nahezu ungebremst in stumpfem Winkel auf die Oberfläche des Abfuhrsystems, was erneut zu Staubbildung und dem damit verbundenen Verlust an Rohmaterial führt. Des weiteren wird dieser durch die beschriebene Behandlung des Tabaks auch zerstört.In other known tobacco cutters the tobacco slides after separation from Tobacco cake over the side edges of the knife in a arranged under the knives so-called throat, from which the tobacco then to a downstream discharge system is directed. The separated tobacco is doing at high speed, namely about the cutting speed of the knife, promoted in the groove or spun. By due to the impact on the groove contraction of the separated tobacco stream this is accelerated to a speed about twice the cutting speed of the knives. Because the acceleration Even in a very narrow radius of the groove, the tobacco is a very exposed to high stress, which in turn leads to increased dust and thus to Raw material losses leads. After the diversion and the consequent Acceleration, the tobacco is then in a tangential direction from the cutting drum guided and hits almost unbraked at an obtuse angle on the surface of the Abfuhrsystems, which again to dust and the associated loss of Raw material leads. Furthermore, this is due to the described treatment of the Tobacco also destroyed.

Es ist daher Aufgabe der vorliegenden Erfindung, eine einfach herzustellende Vorrichtung zu schaffen, die eine zuverlässige und tabakschonende Trennung des Tabaks vom Tabakkuchen und Weiterleitung des abgetrennten Tabaks an nachgeordnete Systeme gewährleistet. Des weiteren ist es Aufgabe der Erfindung, ein Verfahren vorzuschlagen, mit dem Tabak von einem Tabakkuchen auf besonders schonende Weise getrennt und an nachgeordnete Systeme abgeleitet werden kann.It is therefore an object of the present invention to provide a simple Device to provide a reliable and tobacco-friendly separation of Tobacco tobacco cake and forwarding the separated tobacco downstream systems guaranteed. Furthermore, it is an object of the invention, a Propose procedure with tobacco from a tobacco cake on especially gently separated and derived to downstream systems.

Diese Aufgabe wird zum einen durch eine Vorrichtung der eingangs genannten Gattung dadurch gelöst, daß das Trennmittel im Bereich jedes Trennelementes einen Durchbruch aufweist, der derart ausgebildet ist, daß der vom Tabakkuchen abgetrennte Tabak zwangsläufig aus der Schneidebene auf die dem Tabakkuchen abgewandte Seite des Trennmittels geleitet wird. Durch die erfindungsgemäße Gestaltung des Trennmittels ist auf besonders effektive und überraschend einfache Weise eine schonende Trennung des Tabaks vom Tabakkuchen und Ableitung des abgetrennten Tabaks möglich, da der abgetrennte Tabak unmittelbar nach der Trennung aus der Schneidebene in einen von der Schneidzone getrennten Bereich geleitet werden kann, ohne das der Tabak dabei umgelenkt werden muß.This object is firstly by a device of the type mentioned achieved in that the release agent in the region of each separator an opening has, which is designed such that the tobacco separated from the tobacco cake inevitably from the cutting plane on the side facing away from the tobacco cake Release agent is passed. By the inventive design of the release agent is In a particularly effective and surprisingly simple way a gentle separation of Tobacco tobacco cake and derivation of the separated tobacco possible because of separated tobacco immediately after separation from the cutting plane into one of The cutting zone separated area can be passed without the tobacco must be diverted.

In einer vorteilhaften Weiterbildung der Erfindung ist auf der dem Tabakkuchen zugewandten Vorderseite des Trennmittels eine Schneidzone und auf der dem Tabakkuchen abgewandten Rückseite des Trennmittels eine Schonzone vorgesehen. Durch diese örtliche, durch die Geometrie des Trennmittels bedingte Trennung von Schneidzone und Schonzone ist die Schonzone frei von bewegten Teilen der Vorrichtung selbst, so daß der abgetrennte Tabak unmittelbar nach dem Abtrennen nicht weiter belastet wird. Der abgetrennte Tabak wird also nur durch seinen eigenen Luftwiderstand abgebremst. Der durch sein Eigengewicht nach unten in Richtung des Abfuhrsystems fallende Tabak wird aufgrund der Luftströmung aus der Schneidzone sehr schonend mit geringer Geschwindigkeit auf das Abfuhrsystem geführt.In an advantageous embodiment of the invention is on the tobacco cake facing front of the release agent a cutting zone and on the Tobacco cake facing away back of the release agent provided a sanctuary. Due to this local, due to the geometry of the release agent separation of Cutting zone and zone of protection is the zone of protection free of moving parts of the Device itself, so that the separated tobacco immediately after the separation is not continues to be charged. The separated tobacco is thus only by its own Air resistance braked. Which by its own weight downwards in the direction of the Dropping tobacco falling tobacco is due to the flow of air from the cutting zone very gently guided at low speed on the discharge system.

Vorzugsweise weist jeder Durchbruch eine trichterförmige, zur von dem Tabakkuchen abgewandten Seite des Trennmittels hin sich öffnende Gestalt auf. Diese Form der Durchbrüche ermöglicht eine umlenkungsfreie, nämlich nahezu lineare Ableitung des Tabaks, wodurch die Belastung auf den Tabak besonders wirksam reduziert wird.Preferably, each breakthrough has a funnel-shaped, to the tobacco cake on the opposite side of the release agent towards opening shape. This form of Breakthroughs allows a deflection-free, namely almost linear derivative of the Tobacco, whereby the burden on the tobacco is particularly effectively reduced.

Vorteilhafterweise ist das Trennmittel als Schneidteller ausgebildet, wobei der Schneidteller auf einer die Drehachse bestimmenden Welle angeordnet ist. Durch die Ausbildung des Trennmittels als scheibenförmiger Schneidteller ist die ablenkungsfreie Ableitung des abgetrennten Tabaks auf besonders einfache Weise möglich.Advantageously, the release agent is designed as a cutting plate, wherein the Cutting plate is arranged on a shaft defining the axis of rotation. By the Forming the release agent as a disc-shaped cutting plate is the distraction-free Derivation of the separated tobacco in a particularly simple manner possible.

In einer anderen bevorzugten Ausführungsform ist das Trennmittel als Hohltrommel ausgebildet, wobei die Hohltrommel um die Drehachse rotierend antreibbar ist. Durch die Ausbildung des Trennmittels als Hohltrommel wird, bedingt durch die Geometrie der Hohltrommel selbst, eine Trennung in Schneidzone und Schonzone auf besonders einfache Weise erreicht, ohne daß zusätzlicher konstruktiver Aufwand notwendig ist. Es werden vielmehr die ohnehin vorhandenen geometrischen Gegebenheiten in überraschender Weise genutzt. In another preferred embodiment, the release agent is a hollow drum formed, wherein the hollow drum is driven to rotate about the axis of rotation. By the formation of the release agent as a hollow drum is due to the geometry the hollow drum itself, a separation in cutting zone and Schonzone on particularly achieved in a simple manner, without additional design effort is necessary. It Rather, the already existing geometric conditions in surprisingly used.

Des weiteren wird die Aufgabe durch ein Verfahren mit den eingangs genannten Schritten dadurch gelöst, daß der abgetrennte Tabak unmittelbar nach dem Abtrennen vom Tabakkuchen zwangsläufig aus der Schneidebene durch das Trennmittel hindurch auf die dem Tabakkuchen abgewandte Seite des Trennmittels geleitet wird. Damit wird eine schonende Trennung und Führung des gerade abgetrennten Tabaks auf ein nachgeordnetes Abfuhrsystem ermöglicht.Furthermore, the object is achieved by a method with the aforementioned Steps solved in that the separated tobacco immediately after separation from the tobacco cake inevitably from the cutting plane through the release agent is passed to the tobacco cake away from the side of the release agent. This will be a gentle separation and guidance of the just separated tobacco on a downstream discharge system allows.

Weitere bevorzugte Weiterbildungen und Ausführungen der Erfindung ergeben sich aus den Unteransprüchen und der Beschreibung. Besonders bevorzugte Ausführungsformen sowie das erfindungsgemäße Verfahren werden anhand der Zeichnung näher erläutert. In der Zeichnung zeigt:

Fig. 1
eine Vorderansicht einer ersten Ausführungsform der Vorrichtung zum Trennen von Tabak von einem Tabakkuchen,
Fig. 2
eine Ansicht gemäß Schnitt A-A der Vorrichtung gemäß Figur 1,
Fig. 3
eine Ansicht gemäß Schnitt B-B der Vorrichtung gemäß Figur 1,
Fig. 4
eine Detaildarstellung F des Messers gemäß Figur 3in starker Vergrößerung,
Fig. 5
eine perspektivische Ansicht einer weiteren Ausführungsform der Vorrichtung zum Trennen von Tabak von einem Tabakkuchen, und
Fig. 6
eine Seitenansicht der Vorrichtung gemäß Figur 5 im Vollschnitt.
Further preferred developments and embodiments of the invention will become apparent from the dependent claims and the description. Particularly preferred embodiments and the method according to the invention are explained in more detail with reference to the drawing. In the drawing shows:
Fig. 1
a front view of a first embodiment of the device for separating tobacco from a tobacco cake,
Fig. 2
a view according to section AA of the device according to Figure 1,
Fig. 3
a view according to section BB of the device according to Figure 1,
Fig. 4
a detailed representation F of the blade according to FIG. 3 in high magnification,
Fig. 5
a perspective view of another embodiment of the device for separating tobacco from a tobacco cake, and
Fig. 6
a side view of the device according to Figure 5 in full section.

Die in den Figuren dargestellten Vorrichtungen dienen zum Schneiden und Führen von geschnittenem Tabak in einem Tabakschneider.The devices shown in the figures are used for cutting and guiding of sliced tobacco in a tobacco cutter.

In der Figur 1 ist eine Vorrichtung 10 gezeigt, die ein Trennmittel 11 umfaßt. Das Trennmittel 11 ist in dieser Ausführungsform als scheibenförmiger Schneidteller 12 ausgebildet. Der Schneidteller 12 weist mehrere, vorzugsweise acht gleichmäßig über den Umfang verteilte Trennelemente 13 auf, die üblicherweise als Messer 14 ausgebildet sind. In den Figuren sind vier Messer 14 über den Umfang verteilt. Es sind jedoch alternativ auch andere Trennmittel 13 einsetzbar, z.B. Spalt-, Scher- oder Schlagelemente oder dergleichen. Die vier Messer 14 bzw. deren Schneidkanten sind radial ausgerichtet und verstellbar ausgebildet. Durch die Einstellung bzw. Verstellung der Messer 14 kann der Verschleiß der Messer 14 bzw. der Schneidkanten, der insbesondere durch das Nachschleifen der Schneidkanten bewirkt wird, ausgeglichen werden. Alternativ kann aber auch die Position des gesamten Schneidtellers 12 veränderbar sein, wobei dann die Messer 14 (orts-) fest am Schneidteller 12 befestigt sind.In the figure 1, a device 10 is shown, which comprises a release agent 11. The Release agent 11 is in this embodiment as a disc-shaped cutting plate 12th educated. The cutting plate 12 has several, preferably eight evenly over The circumference distributed dividers 13, which is usually used as a knife 14th are formed. In the figures, four blades 14 are distributed over the circumference. There are however, alternatively other release means 13 may be used, e.g. Split, shear or Impact elements or the like. The four blades 14 and their cutting edges are formed radially aligned and adjustable. Through the adjustment or adjustment the knife 14, the wear of the blade 14 and the cutting edges, the is caused in particular by the regrinding of the cutting edges balanced become. Alternatively, however, the position of the entire cutting plate 12th be changeable, in which case the knife 14 (stationary) firmly attached to the cutting plate 12 are.

Die Messer 14 bilden eine Schneidebene 15, die sich parallel zum Schneidteller 12 aufspannt bzw. erstreckt. Die Messer 14 weisen einen Anstellwinkel α von etwa 10° bis 50° auf, wobei die bevorzugte Neigung der Messer 14 in Bezug auf die Schneidebene 15 etwa 13° bis 24° beträgt. Des weiteren weist die Vorrichtung 10 eine (nicht dargestellte) Zuführung auf, mittels der ein Tabakkuchen 16 an das Trennmittel 11 bzw. die Schneidplatte 12 heranführbar ist, und zwar in den Bereich der Schneidebene 15. Diese Zuführung kann als Transportband, Förderkette oder anderes übliches Zuführmittel ausgebildet sein.The blades 14 form a cutting plane 15, which is parallel to the cutting plate 12th spans or extends. The blades 14 have an angle of attack α of about 10 ° 50 °, with the preferred inclination of the blades 14 with respect to the cutting plane 15 is about 13 ° to 24 °. Furthermore, the device 10 has a (not shown) on, by means of a tobacco cake 16 to the release agent 11 and the cutting plate 12 can be moved, in the region of the cutting plane 15th This feeder can be used as a conveyor belt, conveyor chain or other common Be formed supply means.

Wie aus der Figur 2 ersichtlich, ist der Schneidteller 12 auf einer Welle 17 angeordnet, die um eine Drehachse 18 rotierend antreibbar ist. Der Schneidteller 12 selbst weist im Bereich der Messer 14 jeweils einen Durchbruch 19 auf. Die Durchbrüche 19 sind als Durchgangsöffnung ausgebildet, so daß ein Durchgang von der Vorderseite 20 des Schneidtellers 12, auf der der Tabakkuchen 16 zugeführt wird, auf die Rückseite 21 des Schneidtellers 12, auf der der abgetrennte Tabak abgeführt wird, geschaffen ist. Mit anderen Worten grenzt der Schneidteller 12 mit seiner Geometrie eine auf der Vorderseite 20 befindliche Schneidzone 22 von einer auf der Rückseite 21 befindlichen Schonzone 23 ab. Die Schonzone 23 ist von einem Gehäuse 24 umgeben, das die Schonzone 23 nahezu vollständig von der Umgebung abschließt. Lediglich in einem Bodenbereich 25 des Gehäuses 24 ist eine Öffnung, nämlich ein Auswurfschacht 26 ausgebildet, durch den der abgetrennte Tabak einem nachgeordneten (nicht dargestellten) Abfuhrsystem zuführbar ist. Mittels der Durchbrüche 19 ist ein Durchtritt des vom Tabakkuchen 16 abgetrennten Tabaks von der Vorderseite 20 auf die Rückseite 21 möglich, der frei von Umlenkungen ist, so daß der Tabak nahezu linear förderbar bzw. transportierbar ist. Um diesen umlenkungsfreien Transport zu ermöglichen, weist jeder Durchbruch 19 zweckmäßigerweise eine trichterförmige, zur Rückseite 21 hin sich öffnende Gestalt auf (siehe insbesondere Figuren 3 und 4).As can be seen from FIG. 2, the cutting plate 12 is arranged on a shaft 17, which is rotatably driven about a rotation axis 18. The cutting plate 12 itself points in Area of the blade 14 each have a breakthrough 19. The openings 19 are as Through opening formed so that a passage from the front 20 of the Cutting plate 12 on which the tobacco cake 16 is supplied to the back 21 of the Cutting plate 12 on which the separated tobacco is discharged, is created. With In other words, the cutting plate 12 borders with its geometry on the Front 20 located cutting zone 22 of a located on the back 21 Schonzone 23 from. The zone of protection 23 is surrounded by a housing 24 which the Protective zone 23 almost completely closes from the environment. Only in one Bottom area 25 of the housing 24 is an opening, namely a discharge chute 26 formed by the separated tobacco a downstream (not shown) discharge system can be fed. By means of the openings 19 is a passage of the tobacco cake 16 separated tobacco from the front 20 to the back 21 possible, which is free of deflections, so that the tobacco almost linearly conveyed or transportable. To enable this deflection-free transport, points each breakthrough 19 expediently a funnel-shaped, towards the back 21 opening shape (see in particular Figures 3 and 4).

Das Gehäuse 24 ist an einer Grundplatte 27 lösbar befestigt. Die Grundplatte 27 ist vorzugsweise ebenso wie der Schneidteller 12 scheibenförmig ausgebildet und parallel und beabstandet zum Schneidteller 12 angeordnet, so daß die Schneidzone 22 zwischen dem Schneidteller 12 und der Grundplatte 27 gebildet ist. Im Bereich der Zuführung des Tabakkuchens 16 in die Schneidzone 22 bzw. in die Schneidebene 15 weist die Grundplatte eine Öffnung 28 auf, durch die der Tabakkuchen 16 in Richtung des Schneidtellers 12 förderbar ist. Die Öffnung 28 ist mit einem Mundstück 29 versehen, um die gezielte und definierte Zuführung des Tabakkuchens 16 zu unterstützen. Des weiteren weist die Grundplatte 27 mindestens eine weitere Öffnung 30 auf. Diese Öffnung 30, von denen mehrere über den Umfang verteilt sein können, dient zum Einleiten und/oder Ansaugen eines aus Umgebungsluft gebildeten Luftstroms 31 in die Schneidzone 22 bzw. die Schonzone 23. Grundsätzlich wird Luft aus der Schneidzone 22 zur Bildung des Luftstroms 31 durch die Drehbewegung des Schneidtellers 12 selbst angesaugt. Die Öffnung 30 dient zum "Beatmen", also Auffüllen der Schneidzone 22 mit Luft, um ein Vakuum in der Schneidzone 22 zu verhindern. Durch den Luftstrom 31 wird der schonende Transport des aus abgetrenntem Tabak bestehenden Tabakstroms 32 von der Schneidzone 22 in die Schonzone 23 unterstützt. Zur Erzeugung eines aktiven Luftstroms 31 können im Bereich der Grundplatte 27 auch (nicht dargestellte) Mittel angeordnet sein.The housing 24 is releasably secured to a base plate 27. The base plate 27 is preferably as well as the cutting plate 12 disc-shaped and parallel and spaced from the cutting plate 12 so that the cutting zone 22 between the cutting plate 12 and the base plate 27 is formed. In the area of feeding the Tobacco cake 16 in the cutting zone 22 and in the cutting plane 15 has the Base plate has an opening 28 through which the tobacco cake 16 in the direction of Cutting plate 12 is conveyed. The opening 28 is provided with a mouthpiece 29, to support the targeted and defined feeding the tobacco cake 16. Of Furthermore, the base plate 27 has at least one further opening 30. This Opening 30, of which several can be distributed over the circumference, is used for Introducing and / or sucking an air stream 31 formed from ambient air into the Cutting zone 22 and the guard zone 23. Basically, air is from the cutting zone 22 for the formation of the air flow 31 by the rotational movement of the cutting plate 12 itself sucked. The opening 30 is used for "breathing", so filling the cutting zone 22 with air to prevent a vacuum in the cutting zone 22. By the air flow 31 is the gentle transport of tobacco tobacco stream 32 consisting of separated tobacco supported by the cutting zone 22 in the sanctuary zone 23. To create an active one Air flow 31 can in the region of the base plate 27 also means (not shown) be arranged.

Wie insbesondere aus den Figuren 3 und 4 zu entnehmen ist, sind die Durchbrüche 19 derart ausgebildet, daß sie mindestens zum Teil einen linearen Durchtritt von der Vorderseite 20 auf die Rückseite 21 aufweisen. Mit anderen Worten ist eine in Schneidrichtung (siehe Pfeil 33) vorauslaufende, sich in Transportrichtung (siehe Pfeil 37) des Tabakkuchens 16 erstreckende Kante 34 des Durchbruchs 19 in Schneidrichtung vor der Messerspitze 35 des Messers 14 ausgebildet. Die Kante 34 weist im Bereich der Vorderseite 20 des Schneidtellers 12 eine Schräge 38 auf, die das "Einfädeln" des abgetrennten Tabaks in den Durchbruch 19 erleichtert. Eine der Messerspitze 35 nachlaufende Kante 36 des Durchbruchs 19 verläuft, ausgehend von der Messerspitze 35 zunächst in einem spitzen Winkel β, vorzugsweise von etwa 10°, zum Messer 14, um dann in einem Radius zur Schonzone 23 hin auszulaufen. Diese Geometrie gewährleistet einen schonenden und nahezu umlenkungsfreien Transport des Tabaks von der Schneidzone 22 in die Schonzone 23.As can be seen in particular from FIGS. 3 and 4, the apertures 19 formed such that it at least partially a linear passage of the Front 20 have on the back 21. In other words, one is in Cutting direction (see arrow 33) leading, in the transport direction (see arrow 37) of the tobacco cake 16 extending edge 34 of the opening 19 in Cutting direction formed in front of the blade tip 35 of the blade 14. The edge 34 has in the region of the front side 20 of the cutting plate 12, a slope 38 which the "Threading" the separated tobacco into the opening 19 facilitates. One of the Knife tip 35 trailing edge 36 of the opening 19 extends, starting from the knife tip 35 first at an acute angle β, preferably of about 10 °, to the knife 14, then to leak in a radius to the sanctuary 23 out. This Geometry ensures a gentle and almost deflection-free transport of the Tobacco from the cutting zone 22 in the sanctuary 23rd

In den Figuren 5 und 6 ist eine weitere Ausführungsform der Vorrichtung 10 gezeigt. Für identische Teile werden dieselben Bezugsziffern verwendet. Da die Vorrichtungen 10 der Figuren 1 bis 4 einerseits und der Figuren 5 und 6 andererseits grundsätzlich nach dem gleichen Prinzip aufgebaut sind und funktionieren, wird auf eine ausführliche Beschreibung gleicher Merkmale und Ausführungen verzichtet. Allerdings weist die Vorrichtung 10 gemäß der Figuren 5 und 6 als Trennmittel 11 eine Trommel 41 auf. Die hohl ausgebildete Trommel 41 verfügt ebenfalls über vier, in bevorzugten Ausführungen auch acht, gleichmäßig über den Umfang verteilte Trennelemente 13 bzw. Messer 14, die einen der Schneidebene 15 entsprechenden Schneidkreis 15 beschreiben. Die Trommel 41 selbst ist um eine Drehachse 42 rotierend antreibbar. Die Messer 14 erstrecken sich parallel in Richtung der Drehachse 42. Im Bereich der Zuführung des Tabakkuchens 16 ist das Mundstück 29 angeordnet, so daß die Schneidzone 22 zwischen Tabakkuchen 16 und Trommel 41 gebildet ist. Die Schonzone 23 ist innerhalb der Trommel 41 gebildet.FIGS. 5 and 6 show a further embodiment of the device 10. The same reference numbers are used for identical parts. Because the devices 10 of Figures 1 to 4 on the one hand and Figures 5 and 6 on the other hand in principle are built on the same principle and work will be on a detailed Description of the same features and designs omitted. However, the Device 10 according to Figures 5 and 6 as a release agent 11 a drum 41. The Hollow drum 41 also has four, in preferred Embodiments also eight, evenly distributed over the circumference separating elements 13th or knife 14, which corresponds to the cutting plane 15 cutting circuit 15th describe. The drum 41 itself is rotationally driven about a rotation axis 42. The Knives 14 extend parallel in the direction of the axis of rotation 42. In the area of Supply of the tobacco cake 16, the mouthpiece 29 is arranged so that the Cutting zone 22 between tobacco cake 16 and drum 41 is formed. The sanctuary 23 is formed inside the drum 41.

Analog zum Schneidteller 12 ist die Vorderseite 20 die Seite, auf der der Tabakkuchen 16 zugeführt wird. Der Innenraum der Trommel 41 entspricht der Rückseite 21. Die Schneidebene 15 weist in der zweiten Ausführung eine leichte Wölbung, die parallel zur Umfangsfläche der Trommel 41 verläuft. Der Anstellwinkel α der Messer 14 zur Schneidebene 15 entspricht im wesentlichem dem der ersten Ausführungsform.Analogous to the cutting plate 12, the front side 20 is the side on which the tobacco cake 16 is supplied. The interior of the drum 41 corresponds to the back 21. Die Cutting plane 15 has in the second embodiment, a slight curvature parallel to Peripheral surface of the drum 41 extends. The angle of attack α of the blade 14 to Cutting plane 15 substantially corresponds to that of the first embodiment.

Innerhalb der Schonzone 23 ist zusätzlich zum radial gerichteten Luftstrom 31 ein weiterer Luftstrom 43 vorgesehen. Der Luftstrom 43 verläuft quer zur Trommel 41, nämlich in Richtung der Drehachse 42. Der Luftstrom 43 ist mit geeigneten Mitteln erzeugbar, vorzugsweise mit einem (nicht dargestellten) Gebläse. Der Luftstrom 31 kann zum einen durch Rotation der Trommel 41 selbst in Verbindung mit dem quer zur Trommel 41 gerichteten Luftstrom 43 gebildet sein, so daß eine Sogwirkung von außen nach innen in die Trommel 41 erzeugt wird. Der Luftstrom 31 kann aber auch optional durch zusätzliche Mittel produziert werden. Mit Bezugsziffer 44 ist die Schneidrichtung der Trommel 41 bezeichnet.Within the sanctuary zone 23 is in addition to the radially directed air flow 31 a further air flow 43 is provided. The air flow 43 is transverse to the drum 41, namely in the direction of the axis of rotation 42. The air flow 43 is by suitable means producible, preferably with a (not shown) blower. The air flow 31 can on the one hand by rotation of the drum 41 itself in conjunction with the transverse to Drum 41 directed air flow 43 may be formed, so that a suction effect from the outside is generated inside the drum 41. The airflow 31 can also be optional produced by additional means. The reference numeral 44 is the cutting direction the drum 41 denotes.

Im folgenden wird das Verfahren zur Trennung von Tabak von einem kontinuierlich zugeförderten Tabakkuchen 16 beschrieben:
Der Tabakkuchen 16 wird kontinuierlich an den Schneidteller 12 bzw. die Trommel 41 geführt, so daß der Tabakkuchen 16 an der Schneidplatte 12 bzw. der Trommel 41 anliegt. Durch Rotieren der Schneidplatte 12 bzw. der Trommel 41 gelangen die Messer 14 in die Position, an der der Tabak vom Tabakkuchen 16 getrennt wird. Bei der Vorrichtung 10 gemäß Figuren 1 bis 4 treffen die Messer 14 seitlich auf den Tabakkuchen 16 und trennen den Tabak vom Tabakkuchen 16. Das Trennen kann ein Schneiden, Spalten, Scheren oder dergleichen sein und hängt u.a. wesentlich von der Dichte des zu trennenden Materials, das nicht ausschließlich Tabak sein muß, ab. Bei der Vorrichtung 10 gemäß Figuren 5 und 6 setzt der Trennvorgang auf der Oberseite des Tabakkuchens 16 an. Der abgetrennte Tabak wird - den Tabakstrom 32 bildend - sofort und unmittelbar von der Schneidzone 22 in die Schonzone 23 geleitet. Der Transport von der Schneidzone 22 in die Schonzone 23 wird optional durch den Luftstrom 31 unterstützt, der durch die Rotation des Trennmittels 11 selbst angesaugt wird, so daß der Luftstrom 31 beim Schneidteller 12 von der Vorderseite 20 auf die Rückseite 21 und bei der Trommel 41 von außen nach innen geleitet wird, und zwar durch die Durchbrüche 19. Durch die weiter oben beschriebene Geometrie und Anordnung der Durchbrüche 19 wird der Tabakstrom 32 zunächst nahezu linear, d.h. ohne den Tabakstrom 32 beschleunigende oder zerstörende Umlenkungen in die Schonzone 23 transportiert. Da die Schonzone 23 frei von irgendwelchen Komponenten der Vorrichtung 10 selbst ist, kann auch die Kollision des Tabakstroms 32 mit anderen Komponenten verhindert werden. Der Tabakstrom 32 wird in der Schonzone 23 daher lediglich durch seinen eigenen Luftwiderstand abgebremst. Der Bremseffekt wird auch durch die unterschiedlichen Strömungsgeschwindigkeiten, bedingt durch den kleinen Querschnitt im Bereich der Messer 14 bzw. der Schneidzone 22 einerseits und den aufgeweiteten Querschnitt im Bereich der Schonzone 23 andererseits, unterstützt. The following describes the process for the separation of tobacco from a continuously fed tobacco cake 16:
The tobacco cake 16 is continuously guided to the cutting plate 12 and the drum 41, so that the tobacco cake 16 abuts against the cutting plate 12 and the drum 41. By rotating the cutting plate 12 and the drum 41, the blades 14 reach the position at which the tobacco is separated from the tobacco cake 16. In the apparatus 10 according to FIGS. 1 to 4, the knives 14 meet laterally on the tobacco cake 16 and separate the tobacco from the tobacco cake 16. The severing can be a cutting, splitting, shearing or the like and inter alia depends essentially on the density of the material to be separated. that does not have to be exclusively tobacco. In the device 10 according to FIGS. 5 and 6, the separation process starts on the upper side of the tobacco cake 16. The separated tobacco is - the tobacco stream 32 forming - immediately and immediately passed from the cutting zone 22 in the sanctuary zone 23. The transport from the cutting zone 22 into the guard zone 23 is optionally assisted by the air flow 31 which is sucked in by the rotation of the separating means 11 itself, so that the air flow 31 at the cutting plate 12 from the front 20 to the back 21 and the drum 41st From the outside to the inside is passed through the apertures 19. By the above-described geometry and arrangement of the apertures 19, the tobacco stream 32 is initially almost linear, ie transported without the tobacco stream 32 accelerating or destroying deflections in the sanctuary zone 23. Since the guard zone 23 is free of any components of the device 10 itself, the collision of the tobacco stream 32 with other components can be prevented. The tobacco stream 32 is therefore decelerated in the sanctuary 23 only by its own air resistance. The braking effect is also supported by the different flow velocities, due to the small cross section in the area of the knives 14 or the cutting zone 22 on the one hand and the expanded cross section in the area of the guard zone 23 on the other hand.

In der Schonzone 23 selbst wird der Tabakstrom 32 dann in der Vorrichtung 10 gemäß der Figuren 1 bis 4 durch seine Schwerkraft und optional unterstützt durch den Luftstrom 31 schonend in Richtung des Auswurfschachtes 26 geleitet, wo der Tabakstrom 32 dann mit geringer Geschwindigkeit auf das Abfuhrsystem trifft. Der Tabakstrom 32 in der Vorrichtung 10 gemäß der Figuren 5 und 6 wird durch den zusätzlichen Luftstrom 43 aus der Schonzone 23 an eine Ausgangsöffnung aus der Trommel 41 geführt.In the protective zone 23 itself, the tobacco stream 32 is then in the device 10 according to Figures 1 to 4 by its gravity and optionally supported by the Air flow 31 gently directed in the direction of the discharge chute 26, where the Tobacco stream 32 then hits the discharge system at low speed. Of the Tobacco flow 32 in the device 10 according to Figures 5 and 6 is characterized by the additional air flow 43 from the sanctuary zone 23 to an exit opening from the Drum 41 out.

Claims (23)

Vorrichtung zum Trennen von Tabak von einem Tabakkuchen (16) umfassend ein rotierend antreibbares Trennmittel (11) mit mindestens einem Trennelement (13) sowie eine Zuführung zum Zuführen des Tabakkuchens (16) in die durch das oder jedes Trennelement (13) gebildete Schneidebene (15), dadurch gekennzeichnet, daß das Trennmittel (11) im Bereich jedes Trennelementes (13) einen Durchbruch (19) aufweist, der derart ausgebildet ist, daß der vom Tabakkuchen (16) abgetrennte Tabak zwangsläufig aus der Schneidebene (15) auf die dem Tabakkuchen (16) abgewandte Seite des Trennmittels (11) geleitet wird.Device for separating tobacco from a tobacco cake (16) comprising a rotationally driveable separating means (11) with at least one separating element (13) and a feed for feeding the tobacco cake (16) into the cutting plane (15) formed by the or each separating element (13) ), characterized in that the separating means (11) in the region of each separating element (13) has an opening (19) which is designed such that the tobacco separated from the tobacco cake (16) inevitably from the cutting plane (15) on the tobacco cake (16) facing away from the release agent (11) is passed. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Trennmittel (11) mehrere Trennelemente (13), die als Messer (14) ausgebildet sind, aufweist.Apparatus according to claim 1, characterized in that the separating means (11) comprises a plurality of separating elements (13) which are designed as knives (14). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Trennmittel (11) acht verstellbare Messer (14) aufweist, die gleichmäßig über den Umfang des Trennmittels (11) verteilt angeordnet sind.Apparatus according to claim 2, characterized in that the separating means (11) has eight adjustable blades (14), which are distributed uniformly over the circumference of the separating means (11). Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Messer (14) einen Anstellwinkel α von ca. 10° bis 50°, vorzugsweise etwa 13° bis 24°, zur Schneidebene (15) aufweisen.Apparatus according to claim 2 or 3, characterized in that the knives (14) have an angle of attack α of about 10 ° to 50 °, preferably about 13 ° to 24 °, to the cutting plane (15). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß auf der dem Tabakkuchen (16) zugewandten Vorderseite (20) des Trennmittels (11) eine Schneidzone (22) und auf der dem Tabakkuchen (16) abgewandten Rückseite (21) des Trennmittels (11) eine Schonzone (23) vorgesehen ist.Apparatus according to claim 1 or 2, characterized in that on the tobacco cake (16) facing the front side (20) of the separating means (11) has a cutting zone (22) and on the tobacco cake (16) facing away from back (21) of the release agent (11 ) a protective zone (23) is provided. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der vom Tabakkuchen (16) abgetrennte Tabak frei von Umlenkungen, also nahezu linear von der Vorderseite (20) auf die Rückseite (21) des Trennmittels (11) förderbar ist. Apparatus according to one of Claims 1 to 3, characterized in that the tobacco separated from the tobacco cake (16) can be conveyed free of deflections, ie almost linearly from the front side (20) to the rear side (21) of the separating means (11). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jeder Durchbruch (19) eine trichterförmige, zur von dem Tabakkuchen (16) abgewandten Seite des Trennmittels (11) hin sich öffnende Gestalt aufweist.Device according to one of Claims 1 to 6, characterized in that each aperture (19) has a funnel-shaped shape which opens towards the side of the separating means (11) which faces away from the tobacco cake (16). Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Trennmittel (11) als Schneidteller (12) ausgebildet ist, wobei der Schneidteller (12) auf einer die Drehachse (18) bestimmenden Welle (17) angeordnet ist.Device according to one of claims 1 to 7, characterized in that the separating means (11) as a cutting plate (12) is formed, wherein the cutting plate (12) on a rotation axis (18) determining shaft (17) is arranged. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Messer (14) derart auf dem Schneidteller (12) angeordnet sind, daß deren Schneidkanten radial ausgerichtet sind.Apparatus according to claim 8, characterized in that the knives (14) are arranged on the cutting plate (12) such that their cutting edges are radially aligned. Vorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß dem Schneidteller (12) auf der Vorderseite (20) eine Grundplatte (27) zugeordnet ist, wobei der Schneidteller (12) und die Grundplatte (27) zur Bildung der Schneidzone (22) beabstandet zueinander angeordnet sind.Apparatus according to claim 8 or 9, characterized in that the cutting plate (12) on the front side (20) is associated with a base plate (27), wherein the cutting plate (12) and the base plate (27) to form the cutting zone (22) spaced are arranged to each other. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Grundplatte (27) ein Mundstück (29) zur definierten Zuführung des Tabakkuchens (16) in den Bereich der Schneidebene (15) aufweist.Apparatus according to claim 10, characterized in that the base plate (27) has a mouthpiece (29) for defined feeding of the tobacco cake (16) in the region of the cutting plane (15). Vorrichtung nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß die Grundplatte (27) mindestens eine weitere Öffnung (30) zum Einleiten und/oder Ansaugen eines Luftstroms (31) aufweist.Apparatus according to claim 10 or 11, characterized in that the base plate (27) has at least one further opening (30) for introducing and / or sucking in an air stream (31). Vorrichtung nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß an der Grundplatte (27) ein Gehäuse (24) zur Bildung der Schonzone (23) auf der Rückseite (21) der Schneidplatte (12) angeordnet ist.Device according to one of claims 10 to 12, characterized in that on the base plate (27) a housing (24) for forming the protective zone (23) on the back (21) of the cutting plate (12) is arranged. Vorrichtung nach Anspruch 13, dadurch gekennzeichnet, daß das Gehäuse (24) einen Auswurfschacht (26) zum Weiterleiten des abgetrennten Tabaks an ein nachgeordnetes Abfuhrsystem aufweist. Apparatus according to claim 13, characterized in that the housing (24) has a discharge chute (26) for conveying the separated tobacco to a downstream discharge system. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Trennmittel (11) als Hohltrommel (41) ausgebildet ist, wobei die Hohltrommel (41) um die Drehachse (42) drehbar ist.Device according to one of claims 1 to 7, characterized in that the separating means (11) as a hollow drum (41) is formed, wherein the hollow drum (41) about the rotational axis (42) is rotatable. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß die Messer (14) im Bereich der Umfangsfläche der Trommel (41) angeordnet sind und sich parallel zur Drehachse (42) erstrecken.Apparatus according to claim 15, characterized in that the knives (14) are arranged in the region of the circumferential surface of the drum (41) and extend parallel to the axis of rotation (42). Vorrichtung nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß ein Mundstück (29) zur definierten Zuführung des Tabakkuchens (16) in den Bereich des Schneidkreises (15) vorgesehen ist.Apparatus according to claim 15 or 16, characterized in that a mouthpiece (29) for defined feeding of the tobacco cake (16) in the region of the cutting circle (15) is provided. Vorrichtung nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß Mittel zum Einleiten eines Luftstromes (43) in die der Schonzone (23) parallel zur Drehachse (42) und/oder eines radialen Luftstromes (31) quer zur Drehachse (42) vorgesehen sind.Device according to one of claims 15 to 17, characterized in that means for introducing an air stream (43) into the zone of the protective zone (23) parallel to the axis of rotation (42) and / or a radial air flow (31) provided transversely to the axis of rotation (42) are. Vorrichtung nach einem der Ansprüche 15 bis 18, dadurch gekennzeichnet, daß die Hohltrommel (41) an einer Stirnseite eine Auswurföffnung zum Weiterleiten des abgetrennten Tabaks an ein nachgeordnetes Abfuhrsystem aufweist.Device according to one of claims 15 to 18, characterized in that the hollow drum (41) has on one end face an ejection opening for the forwarding of the separated tobacco to a downstream discharge system. Verfahren zum Trennen von Tabak von einem Tabakkuchen, umfassend die Schritte Transportieren des Tabakkuchens (16) in den Bereich der Schneidebene (15) eines mit mindestens einem Trennelement (13) versehenen, rotierenden Trennmittels (11), Trennen des Tabaks vom Tabakkuchen (16) mit dem Trennelement (13), Ableiten des vom Tabakkuchen (16) abgetrennten Tabaks an ein nachgeordnetes Abfuhrsystem, dadurch gekennzeichnet,daß der abgetrennte Tabak unmittelbar nach dem Abtrennen vom Tabakkuchen (16) zwangsläufig aus der Schneidebene (15) durch das Trennmittel (11) hindurch auf die dem Tabakkuchen (16) abgewandte Seite des Trennmittels (11) geleitet wird. A method of separating tobacco from a tobacco cake, comprising the steps Transporting the tobacco cake (16) into the region of the cutting plane (15) of a rotating separating means (11) provided with at least one separating element (13), Separating the tobacco from the tobacco cake (16) with the separating element (13), Discharging the tobacco separated from the tobacco cake (16) to a downstream discharge system, characterized in that the separated tobacco immediately after separation from the tobacco cake (16) inevitably from the cutting plane (15) through the release agent (11) through the side facing away from the tobacco cake (16) side of the release agent (11) is passed. Verfahren nach Anspruch 20, dadurch gekennzeichnet, daß das Fördern des abgetrennten Tabaks vom Tabakkuchen (16) von der Schneidebene (15) auf die dem Tabakkuchen (16) abgewandte Seite in linearer Ausrichtung erfolgt.A method according to claim 20, characterized in that the conveying of the separated tobacco from the tobacco cake (16) from the cutting plane (15) to the side facing away from the tobacco cake (16) takes place in a linear orientation. Verfahren nach Anspruch 20 oder 21, dadurch gekennzeichnet, daß der Transport von einer Schneidzone (22) vor dem Trennmittel (11) in eine Schonzone (23) hinter dem Trennmittel (11) umlenkungsfrei erfolgt.Method according to claim 20 or 21, characterized in that the transport from a cutting zone (22) in front of the separating means (11) into a protective zone (23) behind the separating means (11) takes place without deflection. Verfahren nach Anspruch 22, dadurch gekennzeichnet, daß der abgetrennte Tabak in der Schonzone (23) lediglich durch seinen eigenen Luftwiderstand abgebremst wird.A method according to claim 22, characterized in that the separated tobacco in the zone of protection (23) is decelerated only by its own air resistance.
EP04090198A 2003-05-16 2004-05-17 Method for separating tobacco from a block of tobacco and device for performing the method Not-in-force EP1477074B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04090198A EP1477074B1 (en) 2003-05-16 2004-05-17 Method for separating tobacco from a block of tobacco and device for performing the method
PL04090198T PL1477074T3 (en) 2003-05-16 2004-05-17 Method for separating tobacco from a block of tobacco and device for performing the method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03090145 2003-05-16
EP03090145 2003-05-16
EP04090198A EP1477074B1 (en) 2003-05-16 2004-05-17 Method for separating tobacco from a block of tobacco and device for performing the method

Publications (3)

Publication Number Publication Date
EP1477074A1 true EP1477074A1 (en) 2004-11-17
EP1477074A8 EP1477074A8 (en) 2005-02-09
EP1477074B1 EP1477074B1 (en) 2007-08-08

Family

ID=33522358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04090198A Not-in-force EP1477074B1 (en) 2003-05-16 2004-05-17 Method for separating tobacco from a block of tobacco and device for performing the method

Country Status (7)

Country Link
EP (1) EP1477074B1 (en)
JP (1) JP4597572B2 (en)
CN (1) CN100409774C (en)
AT (1) ATE369046T1 (en)
DE (1) DE502004004550D1 (en)
ES (1) ES2289431T3 (en)
PL (1) PL1477074T3 (en)

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Publication number Priority date Publication date Assignee Title
WO2012057642A1 (en) * 2010-10-29 2012-05-03 International Tobacco Machinery Poland Sp. Z O.O. Blade assembly for a tobacco cutter

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Publication number Priority date Publication date Assignee Title
CN102715634B (en) * 2012-07-05 2014-03-05 巩义市长征新科真空机械厂 Compressed air tobacco bundle cutting and unbinding system
CN110154118B (en) * 2019-06-25 2024-02-23 重庆长征重工有限责任公司 Rotary knife device capable of automatically compensating

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GB665653A (en) * 1949-04-05 1952-01-30 Robert Legg Ltd Improvements in or relating to machines for cutting tobacco and similar materials
DE883575C (en) * 1951-07-06 1954-08-09 Kurt Koerber & Co K G Drive device for the grinding mechanism on roller tobacco cutters
US3604489A (en) * 1969-12-23 1971-09-14 Philip Morris Inc Grinding mill
EP0584524A1 (en) * 1992-08-03 1994-03-02 COMAS S.p.A. A rotary cutter, particularly for shredding tobacco
EP1234510A1 (en) * 2001-02-27 2002-08-28 Heat and Control, Inc. Simultaneous slicing and washing of vegetables

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JPS5828265A (en) * 1981-07-23 1983-02-19 エイエムエフ・インコ−ポレ−テツド Method and apparatus for cutting laminate material
CZ293783B6 (en) * 1993-09-07 2004-07-14 Philip Morris Products S.A. Process for preparing tobacco blend, the tobacco bend per se, smoking article and a rotary cutter for cutting tobacco in order to prepare the tobacco blend

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Publication number Priority date Publication date Assignee Title
GB665653A (en) * 1949-04-05 1952-01-30 Robert Legg Ltd Improvements in or relating to machines for cutting tobacco and similar materials
DE883575C (en) * 1951-07-06 1954-08-09 Kurt Koerber & Co K G Drive device for the grinding mechanism on roller tobacco cutters
US3604489A (en) * 1969-12-23 1971-09-14 Philip Morris Inc Grinding mill
EP0584524A1 (en) * 1992-08-03 1994-03-02 COMAS S.p.A. A rotary cutter, particularly for shredding tobacco
EP1234510A1 (en) * 2001-02-27 2002-08-28 Heat and Control, Inc. Simultaneous slicing and washing of vegetables

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012057642A1 (en) * 2010-10-29 2012-05-03 International Tobacco Machinery Poland Sp. Z O.O. Blade assembly for a tobacco cutter

Also Published As

Publication number Publication date
CN1550162A (en) 2004-12-01
JP2004337168A (en) 2004-12-02
EP1477074B1 (en) 2007-08-08
ATE369046T1 (en) 2007-08-15
DE502004004550D1 (en) 2007-09-20
CN100409774C (en) 2008-08-13
PL1477074T3 (en) 2007-12-31
JP4597572B2 (en) 2010-12-15
ES2289431T3 (en) 2008-02-01
EP1477074A8 (en) 2005-02-09

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