EP1392482B1 - Machine pour couper les contre-plaques - Google Patents

Machine pour couper les contre-plaques Download PDF

Info

Publication number
EP1392482B1
EP1392482B1 EP02722206A EP02722206A EP1392482B1 EP 1392482 B1 EP1392482 B1 EP 1392482B1 EP 02722206 A EP02722206 A EP 02722206A EP 02722206 A EP02722206 A EP 02722206A EP 1392482 B1 EP1392482 B1 EP 1392482B1
Authority
EP
European Patent Office
Prior art keywords
veneer
slicing machine
plane
angle
knife
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
EP02722206A
Other languages
German (de)
English (en)
Other versions
EP1392482A1 (fr
Inventor
Jean Meyer
Heinrich Weppler
Armin Heiner
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 SI200230211T priority Critical patent/SI1392482T1/sl
Publication of EP1392482A1 publication Critical patent/EP1392482A1/fr
Application granted granted Critical
Publication of EP1392482B1 publication Critical patent/EP1392482B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L5/00Manufacture of veneer ; Preparatory processing therefor
    • B27L5/06Cutting 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 veneer knife according to the preamble of the claim 1.
  • a typical veneer knife machine e.g. from EP 0 127 175 A1
  • the table on which in a table level a wood block to be cut is stretched, moved in a vertical plane up and down.
  • the Table guided by a slide and guide rails.
  • From the wood block becomes e.g. during the downward movement by an upwardly directed knife whose Cutting edge is aligned parallel to the table level, a veneer sheet cut off.
  • the Knife is mounted on a tool carriage together with a pressure bar, which is generally fixed during the cut.
  • the thickness of a Veneer sheet corresponds to, in the direction of the wood block.
  • the cutting edge of the knife and thus also the side of the tool carriage facing the table is parallel to the table level.
  • DE 25 48 164 B describes another typical veneer knife machine vertically or approximately vertically guided table, which in use with a clamped wooden block is moved up and down.
  • a tool slide with Knife and pressure beam as well as a conveyor belt for discharging the veneers is in right angle against the table adjustable.
  • the cutting edge on the cutter bar is behind directed downwards and parallel to the table level. The cut takes place during the upward movement the table.
  • the object of the invention is to provide a veneer knife machine, which it without great effort allows adjustments of the angle between the cutting plane and the Einspannesebene a block of wood and thereby the Furnterquatmaschine significantly improve.
  • Much more the angle can be set freely within a practicable range. hereby the cut can be easily adapted to different circumstances, so that always choose an optimal cutting plane with respect to the veneer quality can.
  • the size of the angle ⁇ from -10 ° to + 10 ° causes the rest of the wood block, the no longer can be cut to veneer, remains in a reasonable size.
  • a knife machine consists essentially of a Tool carriage 1 and a table assembly. 2
  • the table assembly 2 consists essentially of a machine frame 15, sliding guides 16, which are rigidly connected to the machine frame 15, a table 17th and a drive with motor 18.
  • the table assembly 2 is rigid on a foundation attached and arranged relative to the tool carriage 1 so that in a starting position the cutting edge of the knife 8 and the table level, on which a wooden block 19 is clamped, are parallel.
  • the sliding guides 16 are fixed to the machine frame 15 connected. They each form a sharp angle with a vertical, and their faces away from the machine frame 15 surfaces lie in one plane.
  • the table 17 is by means of Gleitancen 20, which are composed of several individual elements, attached to the sliding guides 16, wherein it by means of the drive in a vertical Level along the sliding guides 16 is movable up and down.
  • the wooden block 19 is in usual way by means not shown hydraulically operated claws on the table 17 clamped.
  • the table 17 is movably guided on the sliding guides 16 by means of the sliding strips 20.
  • the sliding strips 20 are rigidly releasably connected to the table 17. Between the Sliding strip 20 and the sliding guide 16 each wear elements are arranged; they are so releasably attached to the slide bar 20 that the game between the slide bar 20 and the slide 16 is adjustable. Here the game is as small as possible adjusted to optimize the precision of the cut.
  • the tool carriage 1 is arranged along two approximately horizontally and parallel Rails 3, which are attached to the foundation, by means of two hydraulic cylinders 21 out and forth, as symbolized by the arrow 4.
  • Each rail consists of one Guide rail 3a and a support structure 3b.
  • the hydraulic cylinder 21 is respectively at one end via a support 22 on a support structure 6 and on other end attached to the rail 3.
  • the tool carriage 1 is provided with guide elements 5, which are attached to the support structure 6, with minimal play and against rotation on the rails 3 guided so that during the cutting of the wood block 19 to veneers practically only a movement along the rails 3 possible is.
  • the rails 3 and guide elements 5 form a guide system.
  • a knife carrier 7 On top of the support structure 6, a knife carrier 7 is fixed with a knife 8, that he adjustable in height, in the direction of arrow 9 slidable and around the downwardly directed, substantially horizontal cutting edge of the blade 8 rotatable is stored.
  • the knife 8 in the side of the knife carrier 7, the table assembly 2 opposite, arranged.
  • the displaceability of the knife carrier 7 relative to the support structure 6 according to the arrows 9, 13 and 14, for the Adjustment of its position relative to a pressure bar 12 described below required is ensured by various hydraulic cylinders, for which reason the clarity only two are shown by the reference numerals 10 and 11.
  • Pressure bar 12 and knife 8 are set in operation so that between both a short distance is respected.
  • the knife machine corresponds to the state of the art.
  • the tool carriage 1 is at an angle ⁇ , here is shown for clarity greater than applied in practice, compared to the Table arrangement 2, that is, with respect to the vertical plane of the table 17, tiltable.
  • the tool carriage 1 is so about a vertical axis rotatable that between the vertical table level and the (mostly horizontal) Cut the blade 8 in a horizontal plane at an acute angle ⁇ is formed.
  • a stable rectangular plate 24 rotatably and immovably, for. by Welding attached.
  • the major surfaces of the sheet 24 are perpendicular to those of corresponding side wall of the support structure 6 and in the installed state horizontal.
  • a continuous round recess Center in and perpendicular to the main surface of the sheet 24 is a continuous round recess, in which rotatable with minimal play Bolt 27 is arranged with a round cross-section so that its longitudinal axis with the the recess coincides, he flush with the surface of the sheet 24 above closes and sticks out of this bottom.
  • the bolt 27 is suitably secured against unintentional slipping out of the recess.
  • In the main areas of the sheet 24 are vertically near the long sides four times four continuous Drilled holes 28.
  • This second plate 25 has the same main dimensions and is essentially with a recess into which the bolt 27 protrudes, and holes 28 constructed as the upper plate 24.
  • Each tensioning element 23 is indirectly - e.g. over another sheet - or immediately attached to the lower plate 25.
  • Each piston is at its free end, the one Working cylinder of the clamping element 23 is opposite and over the upper surface of the sheet 24 protrudes, provided with a thread whose outer diameter smaller than that of the piston.
  • Each thread is with a stable annular disc 29th equipped with at least one nut 30 at the free end of the piston solvable is attached.
  • the annular disc 29 has an outer diameter which is larger than the diameter of the holes 28 in the upper sheets 24, so that each annular disc 29 with the outer part of its lower main surface respectively on the upper Sheet 24 rests. Through the opening of the annular disc 29 is in each case the thread of the Piston led with little play.
  • the sheets 24, 25 are so gegenrgicanpreßbar, that in the tensioned state practically a rigid connection exists while in dissolved state a mutual displacement and / or rotation of the sheets 24, 25 is possible.
  • the articulated connection at the left end 6b of the supporting structure 6 is exactly like that constructed as at the right end 6a with the exception that the recess in the upper Sheet 24 and the Bolzenanordnug 26 are executed differently:
  • the recess is as Long hole formed whose longitudinal axis perpendicular to the longitudinal axis of the sheet 24 runs.
  • a disc is arranged, with the game too the long sides is minimal and to the broad sides is a few mm.
  • the disc In a central Opening the disc is rotatably mounted a bolt.
  • clamping elements 23 are released, that is, they are at the maximum Length extended.
  • the bolt arrangement 26 hereby allows a length compensation, on the connecting line between the bolts 26b, 27 due to the change of the angle ⁇ is required.
  • Each angle ⁇ is assigned a certain distance to that of the hydraulic cylinder 21 must be retracted or extended and resulting from the geometry of the tool slide 1 results. Once this is moved to the required angle ⁇ , all clamping elements 23 are hydraulically retracted and further pressurized, so that the sheets 24, 25 are pressed firmly together. This is the Slope angle ⁇ practically rigidly fixed and the support structure 6 immovable held against the guide elements 5, so that a precise guidance of the Tool carriage 1 and thus an exact cut is given.
  • the adjustment process for the angle ⁇ is performed only when a change is required.
  • hydraulic cylinder 21 moves for the tilting alone which is farther away from the bolt assembly 26, in addition to the rotational movement also allowed a longitudinal movement.
  • the tool carriage 1 is now by uniform retraction of the two hydraulic cylinders 21 so advanced in a working position that a very small horizontal Gap between the wood block 17 and the cutting edge of the blade 8 remains.
  • the table 17 moves up and down.
  • the tool carriage 1 Upon reaching the target number of strokes and before an upward movement of the table 17 is the tool carriage 1 with the help of the two hydraulic cylinders 21 so far in the direction the wood block 19 advanced that of this during the upward movement a Veneer sheet is cut in the adjustable Solidicke.
  • the tool carriage moves 1 with the help of the two hydraulic cylinders 21 a short distance back, so that the wooden block 19 does not touch the knife 8 during the downward movement.
  • the tool carriage 1 moves again Range before, this distance of the target thickness of the veneer sheet plus the previously mentioned, reduced track corresponds. This process is repeated many times, until so many veneer leaves are cut off from the wood block 17 that only one minimally required remainder of the wood block 17 is left.

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (6)

  1. Machine pour couper des contre-plaques
       avec une table (17) au mouvement de va et vient servant à serrer un bloc de bois (19), la table étant guidée dans des coulisses (16) au moyen de barres de guidage (20),
       et avec un chariot porte-outil équipé d'une lame (8) et d'une barre de pression, qui peut être amener à aller et venir le long d'une ligne perpendiculaire au plan de mouvement de la table par rapport à ce plan dans un système de guidage au moyen de cylindres hydrauliques (21),
       caractérisée en ce que des moyens pour régler un angle (α) sont disposés entre un plan de la table (17) dans lequel le bloc de bois (19) peut être serré et le tranchant de la lame (8).
  2. Machine pour couper des contre-plaques selon la revendication 1, caractérisée en ce que l'angle (α) peut être réglé dans la plage de -10° à +10°.
  3. Machine pour couper des contre-plaques selon la revendication 1 ou 2, caractérisée en ce qu'au moins une liaison articulée dans le chariot porte-outil (1) est disposée entre le système de guidage et une construction porteuse (6).
  4. Machine pour couper des contre-plaques selon la revendication 3, caractérisée en ce qu'une tôle supérieure (24) qui est reliée fixement à la construction porteuse (6) est placée sur une surface principale d'une tôle inférieure (25) sur laquelle sont fixés des éléments de guidage (5) du système de guidage de telle manière que les tôles (24, 25) puissent être tournées dans un plan entre les tôles (24, 25), les surfaces principales des tôles (24, 25) étant essentiellement horizontales.
  5. Machine pour couper des contre-plaques selon une des revendications 1 à 4, caractérisée en ce que le réglage de l'angle (α) est effectué par un des cylindres hydrauliques (21).
  6. Machine pour couper des contre-plaques selon une des revendications 1 à 5, caractérisée en ce qu'une pluralité d'éléments de serrage (23) sont disposés sur les tôles (24, 25) de telle manière que la tôle supérieure (24) puisse être pressée contre la tôle inférieure (25) y afférente.
EP02722206A 2001-05-16 2002-03-12 Machine pour couper les contre-plaques Expired - Lifetime EP1392482B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200230211T SI1392482T1 (sl) 2001-05-16 2002-03-12 Stroj za rezanje furnirja

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10124065A DE10124065C1 (de) 2001-05-16 2001-05-16 Furniermessermaschine
DE10124065 2001-05-16
PCT/EP2002/002681 WO2002092303A1 (fr) 2001-05-16 2002-03-12 Machine pour couper les contre-plaques

Publications (2)

Publication Number Publication Date
EP1392482A1 EP1392482A1 (fr) 2004-03-03
EP1392482B1 true EP1392482B1 (fr) 2005-08-17

Family

ID=7685159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02722206A Expired - Lifetime EP1392482B1 (fr) 2001-05-16 2002-03-12 Machine pour couper les contre-plaques

Country Status (10)

Country Link
US (1) US6923228B2 (fr)
EP (1) EP1392482B1 (fr)
JP (1) JP2005509537A (fr)
AT (1) ATE302101T1 (fr)
BR (1) BR0209329A (fr)
CA (1) CA2447446A1 (fr)
DE (2) DE10124065C1 (fr)
ES (1) ES2248544T3 (fr)
TW (1) TW546193B (fr)
WO (1) WO2002092303A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319208B4 (de) * 2003-04-29 2005-10-20 Grenzebach Bsh Gmbh Furniermessermaschine
US20060230893A1 (en) * 2005-04-18 2006-10-19 Brooks Charles A Method and apparatus for producing mulch
CN101716782B (zh) * 2010-01-05 2013-07-03 朱晓枫 一种纵向刨切机
CN102229154B (zh) * 2011-06-24 2013-04-10 丁占科 纵向单板刨切机
CN104308931A (zh) * 2014-10-31 2015-01-28 欧阳传泰 一种双辊式无卡旋切机
CN107160442B (zh) * 2017-07-12 2023-10-17 容县润达家具有限公司 一种成型板切边机
CN107696225A (zh) * 2017-10-20 2018-02-16 安吉恒盛竹木有限公司 具有自动上板功能的木板切割装置
CN108297228A (zh) * 2018-02-05 2018-07-20 内蒙古农业大学 一种带有大尖削度原木的旋切加工工艺
CN112847675A (zh) * 2021-01-08 2021-05-28 南京中睿格科技有限公司 一种精准切割木材的装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1038462B (it) * 1975-05-28 1979-11-20 Cremona Angelo Macchina tranciatrice di tronchi di legno per la produzione di impiallicciature presentante il gruppo porta lama posto al disopra del gruppo porta barra
IT1084847B (it) * 1977-05-12 1985-05-28 Cremona Angelo Dispositivo per mantenere il tronco appoggiato alla tavola su cui va fissato,e per sostenerlo quando viene capovolto,applicabile al gruppo porta-lama e porta-barra,di una tranciatrice di legname
US4587616A (en) * 1983-05-31 1986-05-06 David R. Webb Co., Inc. Control system for veneer slicer
US5511598A (en) * 1994-04-05 1996-04-30 Capital Machine Company Veneer-slicer with remotely controllable blade angle adjustment
US5452220A (en) * 1994-05-05 1995-09-19 The Coe Manufacturing Company Automatic adjustment of veneer lathe nose bar height relative to knife during peeling
US5562137A (en) * 1995-05-31 1996-10-08 Capital Machine Company, Inc. Method and apparatus for retaining a flitch for cutting

Also Published As

Publication number Publication date
ES2248544T3 (es) 2006-03-16
WO2002092303A1 (fr) 2002-11-21
JP2005509537A (ja) 2005-04-14
CA2447446A1 (fr) 2002-11-21
ATE302101T1 (de) 2005-09-15
TW546193B (en) 2003-08-11
US6923228B2 (en) 2005-08-02
DE10124065C1 (de) 2002-08-08
EP1392482A1 (fr) 2004-03-03
BR0209329A (pt) 2004-07-20
US20040144447A1 (en) 2004-07-29
DE50203962D1 (de) 2005-09-22

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