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EP1620237B1 - Trancheuse - Google Patents

Trancheuse Download PDF

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Publication number
EP1620237B1
EP1620237B1 EP04718193A EP04718193A EP1620237B1 EP 1620237 B1 EP1620237 B1 EP 1620237B1 EP 04718193 A EP04718193 A EP 04718193A EP 04718193 A EP04718193 A EP 04718193A EP 1620237 B1 EP1620237 B1 EP 1620237B1
Authority
EP
European Patent Office
Prior art keywords
wood
knife
block
blade
tool carriage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04718193A
Other languages
German (de)
English (en)
Other versions
EP1620237A1 (fr
Inventor
Armin Heiner
Jean Meyer
Heinrich Weppler
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.)
Grenzebach BSH GmbH
Original Assignee
Grenzebach BSH 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 Grenzebach BSH GmbH filed Critical Grenzebach BSH GmbH
Priority to PL04718193T priority Critical patent/PL1620237T3/pl
Priority to SI200430421T priority patent/SI1620237T1/sl
Publication of EP1620237A1 publication Critical patent/EP1620237A1/fr
Application granted granted Critical
Publication of EP1620237B1 publication Critical patent/EP1620237B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B27L5/02—Cutting strips from a rotating trunk or piece; Veneer lathes
    • B27L5/04—Cutting strips from a rotating trunk or piece; Veneer lathes the trunk being rotated about an axis lying outside it or about an axis which does not correspond to the axis of the trunk
    • 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
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B27L5/004—Cutting strips from a conical surface
    • 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
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor
    • B27L5/06—Cutting strips from a stationarily- held trunk or piece by a rocking knife carrier, or from rocking trunk or piece by a stationarily-held knife carrier; Veneer- cutting machines

Definitions

  • the invention relates to a device for cutting veneers from a wood block according to the preamble of claim 1.
  • Such devices are used to cut from a block of wood thin panels, which are also called veneers.
  • the process is also called knifes.
  • Vertical knife machines and Staylog knife machines are known.
  • the wood block is clamped on a support surface of a beam construction formed by a flat surface.
  • This is rotatably mounted about its horizontal longitudinal axis, so that with each rotational movement a veneer is cut with a parallel or at an acute angle to the longitudinal axis and mounted on the beam construction to be moved knife.
  • a tangentially rotating veneer knife machine in which four wood blocks can be clamped on a beam construction (flitch table).
  • a beam construction for clamping docking bodies are arranged with oval heads, which are rotatably driven mounted in the flitch table and releasably engage in grooves which are incorporated into the wood blocks.
  • the block of wood is clamped on a table, which is moved up and down in an approximately vertical plane. From the wood block is e.g. in the upward movement a veneer cut off.
  • a veneer knife machine in which a wood block is clamped on a table and is moved in a vertical plane relative to the knife.
  • a tool carriage on which a knife and a pressure bar are arranged, is movable in a horizontal plane so that the angle between the blade of the blade and the clamping plane is adjustable.
  • the object of the invention is to simplify the startup of a knife machine after clamping a wood block and accelerate.
  • the object is solved by the characterizing features of claim 1.
  • a device for automatically positioning the tool carriage relative to the clamped block of wood By arranging a device for automatically positioning the tool carriage relative to the clamped block of wood, the operator, after starting the starting process, is substantially relieved of the work which must be carried out to optimize the yield with high accuracy and therefore requires experience and concentration. The required operations are automatically performed with optimum accuracy.
  • Light grids are very well suited for the detection of the outer contours of objects and inexpensive available.
  • a veneer knife machine consists of a base frame 1 on which a tool carriage 2 with a knife carrier 3 is located on one side, on the right side, and a device for clamping a wood block 19 on the other side.
  • Beam assembly 4 are attached.
  • the tool carriage 2 is mounted on two parallel rails 6 in a horizontal plane movable back and forth, as symbolized by the arrow 5.
  • the tool slide 2 with guide elements 7 which are fixed to a machine frame 8, with minimal play and against rotation on the rails 6 guided so that during the cutting of the wood block 19 only a movement along the rails 6 is possible.
  • the tool carriage 2 can be driven by two first hydraulic cylinders 20.
  • the knife carrier 3 On top of the machine frame 8, the knife carrier 3 is fastened with a knife 10 so that it is displaceably mounted in the direction of the arrow 9 and rotatable about an axis in the region of a downward-pointing cutting edge of the knife 10.
  • the knife 10 and thus its cutting edge extend in a normal position perpendicular to the direction of movement of the tool carriage 2.
  • the knife 10 is arranged in the left of Figure 1 side of the blade carrier 3, which is opposite to the Staylog- beam assembly 4.
  • the rotational and displaceability of the blade carrier 3 relative to the machine frame 8, which is required for the adjustment of its position relative to a pressure bar 11 described below, is ensured by various drives.
  • pressure bar 11 is attached to the machine frame 8. Pressure bar 11 and blade 10 are adjusted in operation so that a short distance is maintained between the two.
  • light grids 12 are arranged such that the light beams 13 extend in an approximately horizontal plane at least over the length of the cutting edge and largely parallel thereto in height of the blade of the blade.
  • the light grids are guided by means of hydraulic drives 14 parallel to the knife 11 slidably.
  • the machine frame 8 and thus the tool carriage 2 is rotatable about a vertical axis so that between a horizontal line perpendicular to the rails 6 and the cutting edge of the blade 10, an acute angle is adjustable.
  • An example of such an adjusting device is described in DE 101 24 065 C1.
  • the Staylog beam assembly 4 is mounted on the base frame 1 such that the horizontal longitudinal axis 16 of its beam construction 15 is perpendicular to the rails 6.
  • the beam construction 15 is rotatably supported between two racks 18 and connected to a drive, not shown.
  • On a support surface 17 formed by a flat surface of the beam construction 15 of the wood block 19 can be clamped by means of clamping means, here with not shown holding jaws and clamping jaws.
  • the entire knife machine is connected to a central controller - e.g. a PLC (programmable logic controller) or a computer - connected, which determines the operations of the knife machine.
  • a central controller e.g. a PLC (programmable logic controller) or a computer - connected, which determines the operations of the knife machine.
  • the tool carriage 2 In operation, the tool carriage 2 is initially moved back to the maximum possible distance to the Staylog beam arrangement 4 - the so-called rest position. It is clamped a wooden block 19 with the help of the clamping jaws and optionally the retaining claws on the beam construction 15. To start the start-up and knife operation, the operator operates a corresponding switch, selecting an automatic program sequence corresponding to the shape of the wood block 19. The light grids 12 are moved to a predetermined position between the knife 10 and the wooden beam 19.
  • the tool carriage 2 is moved by extending the first hydraulic cylinder 20 in the direction Staylog- beam assembly 4 and at the same time turned on the drive for the beam structure 15 so that it is rotated with the clamped wood block 19 about its longitudinal axis 38 counterclockwise as indicated by arrow 21 in Figure 1 , This means that the upward movement of the wood block 19 takes place on the side facing the tool slide 2.
  • the further automatic sequence is different for cuboid and conical wooden blocks 19.
  • the light grids 12 are switched so that the light rays 13 are parallel.
  • the tool carriage 2 is stopped while the beam construction 15 continues to rotate.
  • the exact shortest distance between the cutting edge of the knife 11 and the outermost circle of rotation of the wood block 19 is now determined.
  • the tool carriage 2 is moved in the direction Staylog- beam assembly 4 and at the same time the light curtain 12 is moved back behind the cutting edge of the blade 11.
  • the tool carriage 2 is advanced so far in the direction of the wood block 19, that thereof a veneer sheet is cut off in an adjustable target thickness during the upward rotational movement.
  • the tool carriage 2 is advanced again by means of the first hydraulic cylinder 20 a defined distance in the direction Staylog- beam assembly 4, this distance corresponds to the desired thickness of the veneer sheet.
  • This process is repeated until either so many veneer sheets are cut from the wood block 19 that only a minimal remainder of the wood block 19 (remainder block) is left, which can not be cut further, because the knife 10 would engage the beam construction 15 ,
  • the knife process is automatically stopped and the tool slide 2 is returned to its rest position. The operator removes the remaining block after releasing the clamping jaws and clamps a new block of wood 19, and the cutting process starts again.
  • the cut veneer sheets are transported away automatically.
  • the retaining claws are moved to its rest position, before the blade of the blade 10 is moved into the area in which they could come into contact with the retaining claws.
  • the starting process described above differs as follows:
  • the light grids 12 are first switched so that the light beams 13 intersect as shown in Figure 3.
  • the tool carriage 2 is stopped while the beam construction 15 continues to rotate.
  • the tool carriage 2 is driven by one of the first hydraulic cylinder 20 on the side on which the front light beams 13 are not interrupted, that is the left side, moved towards the wood block 19, while the other side in position is held.
  • the first hydraulic cylinder 20 is stopped so that the cutting edge of the blade 10 is substantially parallel to the surface of the wood block 19 to be measured.
  • the light grids 12 are switched again so that the light beams 13 are parallel, and the other processes are as described above for parallel wood block 19.
  • the invention can also be used with vertical knife machines instead of Staylog knife machines.
  • the stay log beam assembly is replaced by a table assembly, and the wood block 19 is moved up and down.
  • the description of the above example applies analogously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Claims (5)

  1. Dispositif pour trancher des feuilles de placage d'un tronçon de bois,
    avec un chariot porte-outil équipé d'une lame et d'une barre de pression qui effectue un mouvement de va et vient dans un plan horizontal,
    et avec un dispositif pour fixer le tronçon de bois, dans lequel le dispositif peut être entraîné de manière à faire passer le tronçon de bois devant la lame, dans lequel des moyens pour régler un angle entre le tranchant de la lame et l'axe longitudinal du dispositif de blocage sont disposés,
    caractérisé par un dispositif destiné à positionner le chariot porte-outil (2) par rapport au tronçon de bois (19) fixé comprenant au moins une barrière lumineuse (12) qui peut être commutée de telle manière que ses rayons lumineux courent en parallèle ou se croisent.
  2. Dispositif selon la revendication 1, caractérisé en ce que la ou les barrières lumineuses (12) sont disposées de telle manière que les rayons lumineux (13) courent dans un plan approximativement horizontal.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la ou les barrières lumineuses (12) sont fixées de manière déplaçable sur le chariot porte-outil (2).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif pour trancher est une machine de tranchage vertical.
  5. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif pour trancher est une machine de tranchage à barre de déroulage excentré (Staylog).
EP04718193A 2003-04-29 2004-03-06 Trancheuse Expired - Lifetime EP1620237B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL04718193T PL1620237T3 (pl) 2003-04-29 2004-03-06 Urządzenia do cięcia forniru
SI200430421T SI1620237T1 (sl) 2003-04-29 2004-03-06 Stroj za rezanje furnirja

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10319208A DE10319208B4 (de) 2003-04-29 2003-04-29 Furniermessermaschine
PCT/EP2004/002315 WO2004096509A1 (fr) 2003-04-29 2004-03-06 Trancheuse

Publications (2)

Publication Number Publication Date
EP1620237A1 EP1620237A1 (fr) 2006-02-01
EP1620237B1 true EP1620237B1 (fr) 2007-06-06

Family

ID=33393957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04718193A Expired - Lifetime EP1620237B1 (fr) 2003-04-29 2004-03-06 Trancheuse

Country Status (7)

Country Link
EP (1) EP1620237B1 (fr)
AT (1) ATE363973T1 (fr)
DE (2) DE10319208B4 (fr)
ES (1) ES2288679T3 (fr)
PL (1) PL1620237T3 (fr)
PT (1) PT1620237E (fr)
WO (1) WO2004096509A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006027271B4 (de) * 2006-06-09 2008-06-12 Albrecht Bäumer GmbH & Co.KG Verfahren zum Anfahren einer Schälvorrichtung für eine Folie von einem Materialblock
CA2840989A1 (fr) 2011-07-06 2013-01-10 Novartis Ag Compositions de combinaisons immunogenes et utilisations de celles-ci
GB2541764B (en) 2015-04-15 2018-04-11 Ocado Innovation Ltd System and method for configuration of buildings or storage
CN110142835B (zh) * 2019-06-14 2021-04-20 浙江农林大学 旋刀平行外竹壁自动调节装置、竹材整形旋切机及平行竹壁旋切方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708180A (en) * 1984-08-07 1987-11-24 The Coe Manufacturing Company Large diameter nose bar roll apparatus for veneer lathe with automatic knife gap adjustment during peeling
US5150746A (en) * 1991-05-17 1992-09-29 David R. Webb Co., Inc. Flitch table
US5511598A (en) * 1994-04-05 1996-04-30 Capital Machine Company Veneer-slicer with remotely controllable blade angle adjustment
DE4316780A1 (de) * 1993-05-19 1994-11-24 Baljer & Zembrod System zur Vermessung von Baumstämmen im Sägereibetrieb
US5787949A (en) * 1995-07-07 1998-08-04 Meinan Machinery Works, Inc. Method of controlling feed in a spindleless veneer lathe and apparatus to which the method is applied
US6474379B1 (en) * 1999-12-16 2002-11-05 Merritt Plywood Machinery, Inc. Automatic flitch planer
DE10124065C1 (de) * 2001-05-16 2002-08-08 Babcock Bsh Gmbh Furniermessermaschine

Also Published As

Publication number Publication date
EP1620237A1 (fr) 2006-02-01
PL1620237T3 (pl) 2007-10-31
WO2004096509A1 (fr) 2004-11-11
PT1620237E (pt) 2007-09-17
DE10319208B4 (de) 2005-10-20
ATE363973T1 (de) 2007-06-15
DE502004004033D1 (de) 2007-07-19
DE10319208A1 (de) 2004-11-25
ES2288679T3 (es) 2008-01-16

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