EP1935595B1 - Dispositif et procédé pour déchiqueter des troncs d'arbre - Google Patents

Dispositif et procédé pour déchiqueter des troncs d'arbre Download PDF

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Publication number
EP1935595B1
EP1935595B1 EP07024928A EP07024928A EP1935595B1 EP 1935595 B1 EP1935595 B1 EP 1935595B1 EP 07024928 A EP07024928 A EP 07024928A EP 07024928 A EP07024928 A EP 07024928A EP 1935595 B1 EP1935595 B1 EP 1935595B1
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EP
European Patent Office
Prior art keywords
knife
rotor
wood material
discharge
chopping
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.)
Active
Application number
EP07024928A
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German (de)
English (en)
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EP1935595A1 (fr
Inventor
Werner Steininger
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/002—Transporting devices for wood or chips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/005—Tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like

Definitions

  • the invention relates to a device for the comminution of logs according to the preamble of claim 1.
  • a device for comminuting smaller wood material, in particular branches, with a rotary driven shredder for shredding the wood material, a conveyor for transporting the wood material to be shredded to the crusher, and a rotary driven discharger for discharging shredded wood material, and a drive means for driving the crushing device, the conveyor, and the discharge device are known as stationary, non-mobile wood crushing machines.
  • the individual machine units are designed independently of each other and optimized for stationary operation.
  • Devices for comminution of wood material are approximately from the DE 20 2005 010025 U1 (which serves as a basis for the preamble of claim 1), WO 2005/092509 . US 5 028 299 A . US 5,667,152 , as well as the DE 41 26 910 C1 known.
  • the invention has for its object to further develop a device for crushing logs in such a way that a much reduced effort in the shredding of the wood can be guaranteed.
  • the inventive apparatus for shredding logs has a shredder for shredding the logs, a discharge device for discharging the shredded wood material, and a drive device with a plurality of drive units for driving the shredder and / or the discharge device, wherein a drying device associated with the discharge device is, and the output from the drive device during operation or generated thermal energy of the Drying device for the drying of the crushed wood material can be fed.
  • the invention is characterized in that the knife edges are arranged obliquely with respect to the axis of rotation of the knife rotor at a predetermined angle, and the knife edges are arranged in the axial direction of the knife rotor in series and alternately or mutually in such a way that the angular position of immediately adjacent knife edges is different , Due to the oblique arrangement of the cutting tools relative to the direction of the rotor axis, a cut is possible obliquely to the fiber of the wood, whereby a much reduced effort in the crushing of the wood can be guaranteed.
  • the knife edges are arranged alternately or alternately in the circumferential direction of the rotor.
  • the device 1 for shredding logs 8 comprises a commutating device 9 for comminuting the wood material 8, which is rotationally driven about a plane (perpendicular to the plane of the drawing) and has a conveyor belt 16 and a conveyor roller 2 for transporting the material comminuting wood material 8 to the crusher 9, a about a (arranged in the plane of rotation) 3A rotationally driven discharge device 3 for discharging the crushed wood material 8A, and an electromotive drive means 6 for driving the crusher 9, optionally the conveyor 2, 16, and the discharge device 3.
  • the rotational drive shaft 9A of the crushing device 9 and the rotational drive axis 3A of the discharge device 3 are arranged approximately transversely to each other.
  • a conveyor 16 is provided for the transport of the shredded wood trunk 8 to the shredding device, in the form of a belt conveyor 16, via which the log 8 of the shredder 9 is supplied.
  • a drying device 10 assigned to the discharge device 3 is provided, wherein the heat energy emitted or generated by the drive device 6 during operation can be fed to the drying device 10 for drying the comminuted wood material 8A.
  • the drive device 6 has a cooling water circuit 11 with a cooling water inlet 10 A and a cooling water outlet 10 B for cooling the drive units, wherein the drying device 10 has a provided in the cooling water circuit 11 heat exchanger 10 C.
  • the drying device 10 or the heat exchanger is in the form of a side to one side (in the figures, the upper side) open trough, wherein the discharge device 3 is received in the tub or runs in the tub.
  • the discharge device 3 to a screw conveyor namely, the screw conveyor has two opposite rotationally driven worm shafts 3.1 and 3.2, wherein the two screw shafts 3.1 and 3.2 are arranged or stored within the formed in the form of a tub drying device 10.
  • the discharge device 3 has a belt conveyor device with a conveyor belt 12, wherein at least part of the conveyor belt 12 is again arranged or extends within the drying device 10 which is in the form of a trough.
  • the discharge device 3 is connected to a flow-driven ejection means 5 such as in particular a blower 4, with which the crushed wood material 8 is preferably thrown onto a (not shown) loading area of a towing vehicle or vehicle trailer.
  • a flow-driven ejection means 5 such as in particular a blower 4, with which the crushed wood material 8 is preferably thrown onto a (not shown) loading area of a towing vehicle or vehicle trailer.
  • the ejection means 5 may also be formed in the form of an ejection belt 7, as shown in FIG FIG. 1 is shown in dashed lines.
  • the rotational drive axis 4A of the flow-driven conveyor 4 is approximately transverse to the rotational drive axis 9A of the crusher 9, which in turn is arranged approximately transversely to the axis of rotation 3A of the screw shafts.
  • the discharge device 3 is a spraying device 13 for spraying the wood material 8 with a liquid or fluid Assigned active ingredient 14, which spray 13 has a plurality of distributed over the length of the discharge device 3 and / or the conveyor arranged spray heads 15, wherein the spray heads 15 act on the subsidized wood material 8.
  • the liquid or fluid agent 14 may be tempered, wherein the heat energy required for the temperature control is at least partially recovered and / or branched off from the heat energy emitted or generated by the drive device 6 during operation.
  • the active ingredient 14 has a means for reducing or preventing the mold growth of the wood material 8.
  • the crushing device 1, the conveyor 16, the rotationally driven discharge device 3, the ejection means 4, 5, and the drive units of the drive device 6 are all arranged on a (not shown) train or trailer vehicle, wherein the rotational drive axis 3A of the discharge approximately in the direction of travel Traction or trailer vehicle is arranged, while the rotational drive axis 9A of the crushing device is arranged approximately transversely to the direction of travel of the towing vehicle or trailer.
  • the shredding device 9 for crushing logs or long wood 8 has a plurality of carbide blades 30 which are arranged or formed on the circumference of a rotary-driven knife rotor 70.
  • the knife edges 80 of the hard metal blades 30 are arranged at an angle relative to the axis of rotation 90 of the knife rotor 70 at a predetermined angle.
  • the knife edges 80 of the rotor 70 are associated with counter-cutting edges 120 of a counter-blade 20, and indeed the angular position of the relevant counter-blade 120 is adapted to that of the corresponding blade edge 80.
  • the rotor body of the rotor 70 is composed of a plurality of rotor disks 130, in particular two different disk diameters, the rotor disks 130 being arranged side by side in such a way that a rotor disk 13A with a larger rotor diameter follows a rotor disk 13B with a smaller rotor diameter.
  • the hard metal blades 30 are suitably fixed, e.g. by screwing, clamping, riveting, soldering or other known manner of connection.
  • the knife edges 80 of the hard metal blades 30 in the axial direction 100 of the rotor in series alternately or alternately arranged such that the angular position of immediately adjacent knife edges 80A and 80B is different.
  • the knife edges 80C and 80D of the hard metal blades 30 in the circumferential direction 110 of the rotor 70 are arranged alternately or alternately offset over the circumference.
  • the respective counter-blade 120 is also obliquely formed to ensure an exact cut (see. Fig. 12 ).
  • FIGS. 13 and 14 is shown a further preferred embodiment of the device according to the invention.
  • the crushing device 9 is by means of a in the FIGS. 13 and 14 only schematically indicated electrical insulation 40 relative to the feeder 2 electrically arranged isolated or formed.
  • the crushing device 9 is electrically / magnetically isolated by a provided between the storage 31 of the shredder 9 and a chassis 50 insulation mat or insulation film 40 from the other components of the wood shredder according to the invention.
  • an electrical voltage U is applied between the shredder 9 and the feeder 2. If a metallic foreign body 17 is now drawn in and touches the comminution unit 9 and another component of the wood comminution machine, the circuit is closed and an electrical signal can be detected by the detector circuit 110. In response to this signal, the intake by the conveyor 2 and / or the comminution unit 1 is immediately stopped or retracted, and thus prevents damage to the machine 9. Thus, an electrical current flow through the detector circuit 110 is detected and evaluated by a foreign body 17 penetrating between the cutting device 9 and the feed device 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Disintegrating Or Milling (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Claims (2)

  1. Procédé pour le hachage de billes de bois (8) avec un dispositif de hachage (9) qui présente un dispositif de coupe avec une pluralité de lames de couteau (80) disposées ou formées sur la circonférence d'un rotor à couteaux (70) entraîné en rotation, ainsi qu'un dispositif d'extraction (3) pour l'extraction du matériau à base de bois haché (8A) et un dispositif d'entraînement (6) avec plusieurs groupes d'entraînement pour l'entraînement du dispositif de hachage (9) et/ou du dispositif d'extraction (3), dans lequel est prévu un dispositif de séchage (10) associé au dispositif d'extraction (3) et l'énergie thermique dégagée ou produite par le dispositif d'entraînement (6) pendant le fonctionnement peut être amenée au dispositif de séchage (10) pour le séchage du matériau à base de bois (8) haché, caractérisé en ce que les lames de couteau (80) sont disposées en oblique par rapport à l'axe de rotation (90) du rotor à couteaux (70) selon un certain angle, et les lames de couteau (80) sont disposées en rangées et de façon alternée dans le sens axial (100) du rotor à couteaux (70), de telle façon que la position angulaire de lames de couteau (80A, 80B ; 80C, 80D) immédiatement contiguës soit différente.
  2. Dispositif selon la revendication 1, caractérisé en ce que les lames de couteau (80C, 80D) sont décalées ou réparties de façon alternée sur la circonférence dans le sens de la circonférence (11) du rotor à couteaux (70).
EP07024928A 2006-12-22 2007-12-21 Dispositif et procédé pour déchiqueter des troncs d'arbre Active EP1935595B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006062188A DE102006062188A1 (de) 2006-12-22 2006-12-22 Vorrichtung und Verfahren zur Zerkleinerung von Holzmaterial

Publications (2)

Publication Number Publication Date
EP1935595A1 EP1935595A1 (fr) 2008-06-25
EP1935595B1 true EP1935595B1 (fr) 2010-11-24

Family

ID=39146872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07024928A Active EP1935595B1 (fr) 2006-12-22 2007-12-21 Dispositif et procédé pour déchiqueter des troncs d'arbre

Country Status (3)

Country Link
EP (1) EP1935595B1 (fr)
AT (1) ATE489210T1 (fr)
DE (2) DE102006062188A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007015665U1 (de) * 2007-11-09 2009-03-26 Komptech Gmbh Hackmaschine
DE102010050786B3 (de) * 2010-11-10 2012-03-15 Hogha Gmbh Austragvorrichtung für eine Holzhackmaschine
EP3381270B1 (fr) * 2017-03-27 2020-08-26 Helmut Längle OG Broyeur
DE102018122716B3 (de) 2018-09-17 2019-12-19 Technische Universität Dresden Förderer für Hackschnitzel und andere Schüttgüter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126910C1 (fr) * 1991-08-14 1992-09-24 Georg Weiss Gmbh, 8201 Schechen, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619741B1 (fr) 1987-06-23 1992-09-04 Guidat Gilbert Installation industrielle pour la production en flux continu de parcelles ou particules stabilisees a partir de dechets de bois
US5667152A (en) 1995-05-30 1997-09-16 Mooring; Jonathan E. Safety system for a wood chipper
NZ532002A (en) 2004-03-29 2006-11-30 Rodney Warwick Sharp Hogger apparatus with inclined drum having screening apertures on side wall, and drum rotating reducing means
DE202005010025U1 (de) 2005-06-25 2005-10-13 Franke, Hubert Holzhäcksler und Trockner von Holzschnitzeln

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126910C1 (fr) * 1991-08-14 1992-09-24 Georg Weiss Gmbh, 8201 Schechen, De

Also Published As

Publication number Publication date
ATE489210T1 (de) 2010-12-15
DE102006062188A1 (de) 2008-06-26
EP1935595A1 (fr) 2008-06-25
DE502007005747D1 (de) 2011-01-05

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