EP0144003A2 - Dispositif pour la fabrication de bois équarri à partir de troncs d'arbre en y tranchant des planches sur les côtés opposés - Google Patents

Dispositif pour la fabrication de bois équarri à partir de troncs d'arbre en y tranchant des planches sur les côtés opposés Download PDF

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Publication number
EP0144003A2
EP0144003A2 EP19840113261 EP84113261A EP0144003A2 EP 0144003 A2 EP0144003 A2 EP 0144003A2 EP 19840113261 EP19840113261 EP 19840113261 EP 84113261 A EP84113261 A EP 84113261A EP 0144003 A2 EP0144003 A2 EP 0144003A2
Authority
EP
European Patent Office
Prior art keywords
cutting
pressure
log
group
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.)
Granted
Application number
EP19840113261
Other languages
German (de)
English (en)
Other versions
EP0144003A3 (en
EP0144003B1 (fr
Inventor
Josef Traben
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.)
Gebrueder Linck GmbH and Co KG Gatterlinck Maschinen Fabrik
Original Assignee
Gebrueder Linck GmbH and Co KG Gatterlinck Maschinen Fabrik
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 Gebrueder Linck GmbH and Co KG Gatterlinck Maschinen Fabrik filed Critical Gebrueder Linck GmbH and Co KG Gatterlinck Maschinen Fabrik
Priority to AT84113261T priority Critical patent/ATE43529T1/de
Publication of EP0144003A2 publication Critical patent/EP0144003A2/fr
Publication of EP0144003A3 publication Critical patent/EP0144003A3/de
Application granted granted Critical
Publication of EP0144003B1 publication Critical patent/EP0144003B1/fr
Expired 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00Methods for subdividing trunks or logs essentially involving sawing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/08Discharging equipment
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6476Including means to move work from one tool station to another
    • Y10T83/6483Tool stations staggered relative to one another
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/647With means to convey work relative to tool station
    • Y10T83/6584Cut made parallel to direction of and during work movement
    • Y10T83/6587Including plural, laterally spaced tools
    • Y10T83/6588Tools mounted on common tool support

Definitions

  • the invention relates to a device for producing a square timber by cutting a sequence of side boards from opposite sides of a log in a number of immediately successive cutting processes in the longitudinal direction of the trunk with a feeding device which receives the log and moves in the longitudinal direction, and a processing device in which on both sides of the log to be processed, several knives are staggered one behind the other to form cutting groups that can be driven for a common oscillating movement, each knife being preceded by a pressure bar and between each knife and the pressure bar of the subsequent knife, and possibly in front of the first pressure bar and behind the last knife of each cutting group a guide bar touching the processing surface of the log is provided, which is connected to the respective cutting group.
  • Such a device for producing timber from round logs, but also from flattened logs and squared timber, in which the central area of the log is processed into yantwood and the timber sections lying outside the squared timber to be produced on two opposite sides of the log during the feed movement of the log German patent 25 14 901 and the associated additional patent 27 51 238 are the subject of the cutting in longitudinal direction in several immediately successive cutting operations without cutting into boards.
  • the additionally interposed guide bars have a much larger contact surface than the pressure bars as they are not supposed to exert a high local pressure, but rather guide the model in a desired orientation again before the next separation process, if this occurs, for example, due to different wood hardness both sides of the trunk should show a tendency to dodge sideways. It had turned out that without such additional guidance, an acceptable surface quality of the cut boards could usually not be achieved.
  • the guide strips exert a smoothing effect on the outer wooden surface, if one also takes into account that these guide strips, due to their fixed attachment to the swinging knife frame, not only constantly exert a relative movement in the direction of advance of the wood to the wooden surface, but also a circular motion or oscillating movement that is at least at an angle to the feed direction.
  • the two lateral knife groups are permanently set to a certain lateral distance from the longitudinal axis of the feed path in accordance with the trunk diameter to be processed or the thickness of the squared timber ultimately to be produced. If it is mentioned in DE-PS 27 51 238 that the guide strips exert pressure on the log from both sides, then this pressure is essentially generated by the reaction of the elastic wood material itself. This is obvious when looking at the knife and guide bar assembly in the accompanying drawing.
  • the guide strips upstream of the first knives were set so firmly in the known procedure that their lateral spacing corresponded to the dimension of the trunk, which was usually previously flattened laterally, with a guide below due to a slight narrowing compared to the trunk diameter certain pressure could be achieved.
  • the pressure effect of the other guide strips was determined on the one hand by the gradation of their setting within the knife frame and by the setting of the knives. If a certain knife takes more wood than intended, the pressure on the following guide bar can be reduced. On the other hand, the wood has a certain springback effect, so that with the correct setting of the knife and the subsequent guide bar there is nevertheless a pressure effect between the wood and the two opposite guide bars.
  • the conditions can still be relatively undefined even when using the additional guide strips, which has an adverse effect on the quality of the products obtained.
  • different or changing pressure of the pressure and guide strips also affects their frictional losses on the wood surface and thus the energy consumption by the vibratory drives of the knife groups and overall the energy consumption of the feed drive.
  • the invention is therefore based on the object of making the conditions within the device more constant and influenceable in the interest of improving the product quality obtained and a more cost-effective mode of operation by means of lower energy consumption.
  • the stroke required for such pressing only needs to be relatively small, which is why the two opposing cutting groups for their symmetrical basic setting, depending on the thickness of the wood to be processed, are expediently both arranged on slides which can be moved transversely to the transport direction, but which are then used for processing a specific one Wood thickness can be fixed.
  • the pressing group can then advantageously be displaced in the transverse direction in addition to the associated slide and relative to it for the pressing stroke, the pressing drive having to engage the associated slide.
  • Hydraulic or pneumatic cylinders can be provided as contact drives, but electromotive and other drives are equally possible.
  • the return movement of the pressable cutting group is expediently by stops on the associated one Sledge limited, so that the stroke can be kept to the extent necessary only to a small extent.
  • These guide surfaces are set to a fixed distance required for a specific trunk diameter by the symmetrical adjustment movement of the slides carrying the cutting groups.
  • milling heads are therefore advantageously connected upstream of the guide surfaces. These milling heads are adjusted in coordination with the guide surfaces so that the thickness of the flattened trunk essentially corresponds to the set distance between the guide surfaces. It is not expedient to design the device such that the first guide strips of the pressing-on cutting group area still come into contact with uneven trunk surfaces. Under such conditions, the subsequent knife groups would not work evenly.
  • a light barrier 11 follows the guide surfaces 10, the receiver or transmitter of which is attached to one of the slides 6. This light barrier 11 signals whether there is a trunk in the entry area of the processing device 3.
  • the staggered cutting groups are now arranged as essential elements of the processing device behind the light barrier 11. While the cutting group 12 is firmly attached to the associated carriage 6, the cutting group 13 shown in the drawing below is mounted on a separate frame 14 which can be displaced in the transverse direction to the direction of advance of the wood 9 relative to the associated carriage 6 by a limited stroke. In its occupancy relative to the carriage 6, the frame 14 is also guided in parallel by means (not shown) so that it cannot tilt during its movement.
  • the frame 14 is connected to the associated slide 6 via, for example, a hydraulic actuator 15, the cylinder 16 of which is attached to the slide 6, and the piston rod 17 of which is articulated on the frame 14.
  • a hydraulic actuator 15 the cylinder 16 of which is attached to the slide 6, and the piston rod 17 of which is articulated on the frame 14.
  • stops 18 are provided.
  • Each of the cutting groups 12, 13 consists of a series of knife units 19, each of which has a knife 21 clamped in a knife holder 20.
  • the knife carriers 20 are each provided with pressure strips 22 and guide strips 23, as is described in detail in DE-PS 27 51 238. Correspondingly different arrangements are provided only in the area of the first and last knife.
  • pull-out and straightening systems 25 are arranged which on the one hand remove the boards from the work area and on the other hand undo the curvature of the boards which has occurred as a result of the cutting process.
  • the remaining squared timber 26 is removed by means of a pull-out device 27 which is only indicated schematically.
  • the slides 6 are moved together with the milling cutters 8 and the guide surfaces 10 to a specific distance corresponding to the trunk diameter to be processed and locked in this position.
  • the actuator 15 of the frame 14 is retracted so that the frame 14 bears against the stops 18 of the carriage 6. If a log 9 occurs after flattening its two sides through the milling cutters 8 between the guide surfaces 10 and into the light barrier 11, the latter signals the presence of wood and causes the hydraulic actuator 15 to press the cutting group 13 arranged in the frame 14 against the model.
  • the cutting group 13 can remain in its preset position, so that wood is continuous, i.e. can be edited without space.
  • the frame 14 is moved back to the stops 18 by means of an actuator 15.
  • the pressure bars 22, which have a small contact surface, are generally to be set such that they are opposite the larger guide bars 23 to the longitudinal axis project a little towards the device. This ensures that the pressure strips 22 always penetrate into the wood with a certain depth of penetration and also a fairly precisely defined contact pressure in front of the subsequent knife and thus ensure constant cutting conditions.
  • the guide strips 23 enclose the trunk being processed between them and exert a relatively constant and selectable pressure on the wood from both sides. It has been shown that a product of substantially improved quality can be obtained through this measure.
  • FIG. 2 shows a device with two actuators 15, which can be struck with different forces and whose cylinders 16 are pivotally attached to the carriage 6. In order to distribute the contact pressure over the entire length of the cutting group, this is articulated by means of a link 29 on the base 6 so that it can pivot about a vertical axis.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Wood Veneers (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
EP84113261A 1983-11-30 1984-11-03 Dispositif pour la fabrication de bois équarri à partir de troncs d'arbre en y tranchant des planches sur les côtés opposés Expired EP0144003B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113261T ATE43529T1 (de) 1983-11-30 1984-11-03 Vorrichtung zur erzeugung von kantholz durch spanloses abtrennen von seitenbrettern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833343294 DE3343294A1 (de) 1983-11-30 1983-11-30 Vorrichtung zur erzeugung von kantholz durch spanloses abtrennen von seitenbrettern
DE3343294 1983-11-30

Publications (3)

Publication Number Publication Date
EP0144003A2 true EP0144003A2 (fr) 1985-06-12
EP0144003A3 EP0144003A3 (en) 1987-03-04
EP0144003B1 EP0144003B1 (fr) 1989-05-31

Family

ID=6215652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113261A Expired EP0144003B1 (fr) 1983-11-30 1984-11-03 Dispositif pour la fabrication de bois équarri à partir de troncs d'arbre en y tranchant des planches sur les côtés opposés

Country Status (8)

Country Link
US (1) US4589456A (fr)
EP (1) EP0144003B1 (fr)
AT (1) ATE43529T1 (fr)
CA (1) CA1230036A (fr)
DE (2) DE3343294A1 (fr)
FI (1) FI80627C (fr)
SU (1) SU1356955A3 (fr)
ZA (1) ZA849250B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005555A1 (fr) * 1986-03-11 1987-09-24 Gebrüder Linck Maschinenfabrik "Gatterlinck" Gmbh Procede et dispositif pour introduire des troncs d'arbre dans une machine de traitement
EP0277591A2 (fr) * 1987-01-31 1988-08-10 Gebrüder Linck, Maschinenfabrik "Gatterlinck" GmbH & Co.KG Appareil de fabrication de planches minces
EP0484825A1 (fr) * 1990-11-05 1992-05-13 Wurster u. Dietz GmbH u. Co. Maschinenfabrik Dispositif pour fendre ou refendre un produit de sciage rigide, notamment du bois
WO1992021490A1 (fr) * 1991-05-28 1992-12-10 Hamberger Industriewerke Gmbh Procede et dispositif de fabrication de planchettes en bois

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623235A1 (de) * 1986-07-10 1988-01-21 Wurster & Dietz Gmbh U Co Masc Verfahren und vorrichtung zum zerlegen von baumstaemmen in holz-fertigerzeugnisse
DE3623237A1 (de) * 1986-07-10 1988-01-21 Wurster & Dietz Gmbh U Co Masc Verfahren und vorrichtung zum spanlosen zerlegen eines baumstammes in holzerzeugnisse
FR2625130B1 (fr) * 1987-12-28 1990-05-11 Martin Michel Trancheuse longitudinale a bois et installation de tranchage
DE3936312A1 (de) * 1989-11-01 1991-05-02 Linck Masch Gatterlinck Verfahren zum herstellen einer mehrschicht-massivholzplatte
DE4026346A1 (de) * 1989-11-01 1991-05-02 Linck Masch Gatterlinck Verfahren zum spanlosen aufteilen eines kantholzes in bretter gleicher dicke
US5400843A (en) * 1992-04-14 1995-03-28 Gebruder Linck Maschinenfabrik "Gatterlinck" Gmbh & Co. Kg Apparatus for controlling the taper of wood boards formed by a chipless cutting operation
DE4244310C1 (de) * 1992-12-28 1993-10-28 Linck Masch Gatterlinck Verfahren und Anlage zum schneidenden Aufteilen eines Kantholzes in Bretter vorbestimmter Dicke
WO2011069113A1 (fr) * 2009-12-04 2011-06-09 Merritt Machinery, Llc Appareil de surfaçage de quartelot
US8865261B2 (en) * 2012-12-06 2014-10-21 Eastman Chemical Company Extrusion coating of elongated substrates
US9920526B2 (en) 2013-10-18 2018-03-20 Eastman Chemical Company Coated structural members having improved resistance to cracking
US9744707B2 (en) 2013-10-18 2017-08-29 Eastman Chemical Company Extrusion-coated structural members having extruded profile members
CN108748477A (zh) * 2018-06-30 2018-11-06 广东知识城运营服务有限公司 一种竹子破条装置
CN115107132A (zh) * 2022-07-04 2022-09-27 安徽源于自然木业有限公司 一种木地板生产用材料破片装置
CN117052266B (zh) * 2023-08-11 2024-01-16 江西立立联新型建材有限公司 一种塑木共挤型骨架的门扇的包边设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1503784A (en) * 1922-04-08 1924-08-05 Commw Mfg Company Machine for producing rattan weaving strips
DE2751238B1 (de) * 1977-11-16 1978-11-30 Linck Maschf & Eisen Vorrichtung zur Erzeugung von Nutzholz aus Rundholzstaemmen
DE3040913A1 (de) * 1978-03-13 1982-05-27 Macmillan Bloedel Ltd., Vancouver, British Columbia Verfahren und vorrichtung zum zerteilen von holzfasermaterial

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1009688A (en) * 1910-03-31 1911-11-21 Thomas A Peterson Planing-machine.
DE2514901C3 (de) * 1975-04-05 1979-01-04 Gebrueder Linck Maschinenfabrik Und Eisengiesserei Gatterlinck, 7602 Oberkirch Verfahren und Vorrichtung zur Erzeugung von Nutzholz aus Rundholzstämmen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1503784A (en) * 1922-04-08 1924-08-05 Commw Mfg Company Machine for producing rattan weaving strips
DE2751238B1 (de) * 1977-11-16 1978-11-30 Linck Maschf & Eisen Vorrichtung zur Erzeugung von Nutzholz aus Rundholzstaemmen
DE3040913A1 (de) * 1978-03-13 1982-05-27 Macmillan Bloedel Ltd., Vancouver, British Columbia Verfahren und vorrichtung zum zerteilen von holzfasermaterial

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005555A1 (fr) * 1986-03-11 1987-09-24 Gebrüder Linck Maschinenfabrik "Gatterlinck" Gmbh Procede et dispositif pour introduire des troncs d'arbre dans une machine de traitement
EP0277591A2 (fr) * 1987-01-31 1988-08-10 Gebrüder Linck, Maschinenfabrik "Gatterlinck" GmbH & Co.KG Appareil de fabrication de planches minces
EP0277591A3 (en) * 1987-01-31 1989-11-15 Gebruder Linck, Maschinenfabrik "Gatterlinck" Gmbh & Co.Kg Apparatus for manufacturing thin boards
EP0484825A1 (fr) * 1990-11-05 1992-05-13 Wurster u. Dietz GmbH u. Co. Maschinenfabrik Dispositif pour fendre ou refendre un produit de sciage rigide, notamment du bois
WO1992021490A1 (fr) * 1991-05-28 1992-12-10 Hamberger Industriewerke Gmbh Procede et dispositif de fabrication de planchettes en bois

Also Published As

Publication number Publication date
SU1356955A3 (ru) 1987-11-30
CA1230036A (fr) 1987-12-08
EP0144003A3 (en) 1987-03-04
DE3343294A1 (de) 1985-06-05
FI80627C (fi) 1990-07-10
FI844630L (fi) 1985-05-31
ATE43529T1 (de) 1989-06-15
ZA849250B (en) 1985-07-31
DE3478415D1 (en) 1989-07-06
FI844630A0 (fi) 1984-11-26
FI80627B (fi) 1990-03-30
US4589456A (en) 1986-05-20
EP0144003B1 (fr) 1989-05-31

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