EP1479478A2 - Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé - Google Patents

Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé Download PDF

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Publication number
EP1479478A2
EP1479478A2 EP04090204A EP04090204A EP1479478A2 EP 1479478 A2 EP1479478 A2 EP 1479478A2 EP 04090204 A EP04090204 A EP 04090204A EP 04090204 A EP04090204 A EP 04090204A EP 1479478 A2 EP1479478 A2 EP 1479478A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
grinding
tobacco
separating
abrasive
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
EP04090204A
Other languages
German (de)
English (en)
Other versions
EP1479478B1 (fr
EP1479478A3 (fr
Inventor
Uwe Bach
Birger Buhk
Holger Brandt
Harald Dittombee
Matthias Haubner
Winfried Sommer
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 PL04090204T priority Critical patent/PL1479478T3/pl
Priority to EP04090204A priority patent/EP1479478B1/fr
Publication of EP1479478A2 publication Critical patent/EP1479478A2/fr
Publication of EP1479478A3 publication Critical patent/EP1479478A3/fr
Application granted granted Critical
Publication of EP1479478B1 publication Critical patent/EP1479478B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/363—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of blades mounted on a turning drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/007—Cleaning of grinding wheels

Definitions

  • the invention relates to a device for cleaning a cubic Boron nitride coated abrasive article within a device for separating Tobacco from a tobacco cake, the abrasive body in the range of at least one a separator receiving release agent for grinding each separator is arranged and in the region of the abrasive body, a means for cleaning the abrasive article is provided. Furthermore, the invention relates to a method for cleaning a cubic boron nitride coated abrasive article within a device for separating tobacco from a tobacco cake, comprising the steps of: separating the tobacco Tobacco from the tobacco cake with at least one separating element, grinding each separating element with the coated grinding wheel and cleaning the grinding wheel.
  • the device described in the introduction solved that the means for cleaning the abrasive body as a radiating element for Applying a cleaning jet of a liquid or gaseous medium the grinding body is formed.
  • a trained device that is Cleaning the abrasive body in a particularly gentle way possible because of the abrasive body itself is almost free from abrasion and only between the grain tips of the Abrasive particles, e.g. through tobacco sauce and dust become.
  • This increases the service life of the grinding wheel.
  • the jet element is together with the abrasive article within a housing to form a cleaning chamber defining grinding unit arranged.
  • the grinding unit is pivotable, such that the grinding body the cutting plane is movable.
  • the cutting plane is released, so that an even better separation between cutting zone and cleaning room is guaranteed.
  • the object is achieved by a method with the aforementioned Steps solved in that the cleaning of the abrasive article by applying a Cleaning jet of liquid or gaseous medium is carried out on the abrasive body.
  • gentle cleaning of the grinding wheel by the cleaning jet increases The life of the grinding wheel and is particularly easy to perform, since the Grinding body can be arranged fixed during grinding. Otherwise, the Service life of the separating elements improved or extended, so that less consumable parts necessary and downtime of the device can be reduced. A total of reduces the pollution within the device, as to the dressing of the Abrasive body can be dispensed with.
  • the cleaning is carried out in parallel with the separation of the tobacco. Because of this so-called “online cleaning” is a particularly effective and reliable cleaning guaranteed, since the abrasive body is always in optimal condition. this leads to also to a clippings with improved quality, since the separation elements quasi-continuous be reground.
  • the cleaning jet of water or hot steam with high pressure applied to the grinding wheel improves the cleaning effect, without burdening the grinding wheel itself.
  • the cleaning medium provides for the removal of the dissolved by the abrasive contaminants, so that can be dispensed with additional suction or the like.
  • the cleaning of the abrasive body in a relation to the Cutting zone foreclosed cleaning room performed. This will be surrounding Elements of the device protected from contact with the cleaning medium.
  • the devices shown serve to clean a cubic boron nitride coated one Abrasive body for grinding tobacco cutters in one Tobacco cutter are arranged.
  • the device 10 according to FIG. 1 shows a cutting blade 11 of a not further shown Device for separating tobacco from a tobacco cake.
  • a Cutting drum for forming a drum cutter or other knife carriers single or multiple cutting blades 11 may be arranged.
  • the cutting blades can be replaced by other, cutting edge having a separating elements.
  • the Tips 12 of preferably several cutting blades 11 define a cutting plane 13.
  • an abrasive body 14 is arranged with the its peripheral surface 15 projects into the cutting plane 13 and for grinding the cutting blade 11 serves.
  • the grinding body 14 is cylindrical and extends over the entire length of the cutting blade 11.
  • the grinding wheel 14 is driven in rotation arranged within the device for separation, not shown.
  • the Peripheral surface 15 of the abrasive body 14 is single or multi-layered with a hard material, preferably a cubic, crystalline boron nitride coated.
  • a means 16 for cleaning the abrasive article 14th intended In the region of the abrasive body 14 is a means 16 for cleaning the abrasive article 14th intended.
  • the means 16 is preferably as a blasting element 17 above the grinding wheel 14 arranged.
  • the jet element 17 is for applying a cleaning jet 18 from a liquid or gaseous medium to the grinding body 14 and formed on the peripheral surface 15.
  • the radiating element 17 is together with the Abrasive 14 arranged to form a cleaning chamber 19 in a housing 20.
  • the housing 20 separates the abrasive body 14 and the radiating element 17 spatially from the cutting zone 21, in front of the housing 20 in the region of the cutting blade eleventh is formed.
  • the abrasive body 14 protrudes in the region of an opening 22 which on the Cutting knives 11 facing the front side 23 of the housing 20 is arranged, from the housing 20, in such a way that the peripheral surface 15 of the abrasive body 14 for Engagement with the cutting blades 11 in the cutting plane 13 is located.
  • the housing 20 itself is by a closing element 24, as a hood, bulkhead, partition or the like may be formed, completely and sealingly closed.
  • the abrasive article 14 is a blasting element 17 and housing 20 formed grinding unit 25 pivotally about the fulcrum 26 formed an axis 27 in the direction of arrow D.
  • the Grinding unit 25 fixed but detachable on a support 28 of the device for separating the Tobacco arranged tobacco cake and to a controller, not shown for Tuning of cutting, grinding and cleaning operations connected.
  • the device 10 according to FIG. 2 is constructed substantially similar to the one of FIG Device 10 according to Figure 1, so that the same reference numerals for the same parts be used. On a detailed description of the same features and Designs are omitted to avoid repetition.
  • pointing the device 10 according to Figure 2 a housing 29, which in contrast to the housing 20 fixed, i. is arranged rigidly and immovably in the region of a carrier 30, so that the grinding wheel 14 is driven to rotate but is stationary.
  • the opening 22 within the Housing 29 is closed by the grinding body 14 itself.
  • the cutting blades 11 move with their tips 12 on a circular path in the Cutting plane 13 according to arrow A.
  • the cutting blades 11 continuously advanced in the direction of the cutting plane 13 according to arrow B.
  • the grinding body 14 rotates counter to the cutting direction of the cutting blade 11 according to Arrow A, so in the embodiment shown in the clockwise direction. This will be the advancing cutting blade 12 in the region of their tips 13 during the Cutting process ground. This is the so-called tobacco sauce and tobacco dust on the knife edges, with the impurities also on the grinding wheel 14 are transmitted.
  • the cleaning of the abrasive body 14 takes place within the housing 20 or 29 at preselected intervals depending on the degree of contamination during the tobacco processing process, by means of the cleaning jet 18.
  • the cleaning jet 18 may e.g. from superheated steam or from a high-pressure water jet be formed. Other liquid or gaseous media can be used for the formation of the cleaning jet 18 are used.
  • the entire grinding unit 25 becomes about the fulcrum 26 pivoted in the direction of the arrow D, so that the grinding body 14 outside the cutting plane 13 is located.
  • the housing 20 closes by the closing element 24 in the direction of the arrow E is moved in front of the opening 22.
  • the cleaning of the abrasive body 14 takes place separated from the cutting zone 21 by removing therebetween on the peripheral surface arranged Kornspitzen the coating located Tabakso H- and Dust residues.
  • the cleaning is done by hot steam or high pressure water jet reached formed cleaning jet 18.
  • the housing 20 by moving back the closing element 24 opposite to the arrow E direction opened again and the entire grinding unit 25 is again in the illustrated in Figure 1 Pivoted grinding position.
  • the grinding principle and the cleaning process run according to the device 10 Figure 2 comparable from. However, the abrasive remains at its actual Grinding position. It is only the feed of the cutting blade 11 in the arrow direction B stopped for cleaning. The resulting reduction in the speed of the Abrasive body 14 causes the centrifugal forces on the abrasive body 14 are so small that the cleaning medium within the housing 29 remains or on the grinding wheel 14 adheres without entering the cutting zone 21. After the cleaning process is the speed of the grinding wheel 14 is increased again to nominal speed and the feed the cutting blade 12 in the direction of arrow B is reactivated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP04090204A 2003-05-20 2004-05-19 Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé Expired - Lifetime EP1479478B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04090204T PL1479478T3 (pl) 2003-05-20 2004-05-19 Sposób czyszczenia pokrytego regularnym azotkiem boru korpusu szlifierskiego wewnątrz urządzenia do oddzielania tytoniu od placka tytoniowego i urządzenie do jego realizacji
EP04090204A EP1479478B1 (fr) 2003-05-20 2004-05-19 Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03090149 2003-05-20
EP03090149 2003-05-20
EP04090204A EP1479478B1 (fr) 2003-05-20 2004-05-19 Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé

Publications (3)

Publication Number Publication Date
EP1479478A2 true EP1479478A2 (fr) 2004-11-24
EP1479478A3 EP1479478A3 (fr) 2004-12-01
EP1479478B1 EP1479478B1 (fr) 2006-08-23

Family

ID=33099710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04090204A Expired - Lifetime EP1479478B1 (fr) 2003-05-20 2004-05-19 Procédé de nettoyage d'une meule couverte de nitrure de bore cubique dans un dispositif pour séparer le tabac d'une bale et dispositif pour la mise en oeuvre dudit procédé

Country Status (2)

Country Link
EP (1) EP1479478B1 (fr)
PL (1) PL1479478T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425935A (en) * 2005-05-12 2006-11-15 Garbuio Ltd Tobacco cutting apparatus
EP2759374A2 (fr) 2013-01-25 2014-07-30 HAUNI Maschinenbau AG Dispositif et procédé d'affûtage d'au moins une lame de coupe disposée au niveau d'un tambour à lames et entraînée de façon circulaire
EP2954979A1 (fr) 2014-06-10 2015-12-16 HAUNI Maschinenbau AG Dispositif de découpe de tabac doté d'un appareil d'affûtage de lame de coupe du dispositif de découpe de tabac

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE477172C (de) * 1927-04-28 1929-06-03 Praktische Maschinen G M B H Maschine zum Schneiden von Papier, Pappe o. dgl. mit auf- und abbeweglichem Messer
GB516083A (en) * 1938-07-08 1939-12-21 Molins Machine Co Ltd Improvements in or relating to the sharpening of the knives of tobacco cutting machines
GB694375A (en) * 1950-09-19 1953-07-22 Kurt Koerber Improvements in tobacco cutting machines
DE1008635B (de) * 1953-04-30 1957-05-16 Hauni Werke Koerber & Co Kg Walzentabakschneider mit lotrechter Gutzufuehrung
GB2101915A (en) * 1981-07-23 1983-01-26 Amf Inc Method and apparatus for cutting layered material
EP0993906A1 (fr) * 1998-10-12 2000-04-19 N.V. Michel Van de Wiele Dispositif d'affûtage du couteau d'un métier à tisser double peluche

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE477172C (de) * 1927-04-28 1929-06-03 Praktische Maschinen G M B H Maschine zum Schneiden von Papier, Pappe o. dgl. mit auf- und abbeweglichem Messer
GB516083A (en) * 1938-07-08 1939-12-21 Molins Machine Co Ltd Improvements in or relating to the sharpening of the knives of tobacco cutting machines
GB694375A (en) * 1950-09-19 1953-07-22 Kurt Koerber Improvements in tobacco cutting machines
DE1008635B (de) * 1953-04-30 1957-05-16 Hauni Werke Koerber & Co Kg Walzentabakschneider mit lotrechter Gutzufuehrung
GB2101915A (en) * 1981-07-23 1983-01-26 Amf Inc Method and apparatus for cutting layered material
EP0993906A1 (fr) * 1998-10-12 2000-04-19 N.V. Michel Van de Wiele Dispositif d'affûtage du couteau d'un métier à tisser double peluche

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2425935A (en) * 2005-05-12 2006-11-15 Garbuio Ltd Tobacco cutting apparatus
EP2759374A2 (fr) 2013-01-25 2014-07-30 HAUNI Maschinenbau AG Dispositif et procédé d'affûtage d'au moins une lame de coupe disposée au niveau d'un tambour à lames et entraînée de façon circulaire
DE102013100754A1 (de) 2013-01-25 2014-07-31 Hauni Maschinenbau Ag Vorrichtung und Verfahren zum Schleifen mindestens eines an einer Messertrommel angeordneten und umlaufend angetriebenen Trennmessers
EP2954979A1 (fr) 2014-06-10 2015-12-16 HAUNI Maschinenbau AG Dispositif de découpe de tabac doté d'un appareil d'affûtage de lame de coupe du dispositif de découpe de tabac

Also Published As

Publication number Publication date
PL1479478T3 (pl) 2007-01-31
EP1479478B1 (fr) 2006-08-23
EP1479478A3 (fr) 2004-12-01

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