EP2684657B1 - machine pour bois de chauffage - Google Patents

machine pour bois de chauffage Download PDF

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Publication number
EP2684657B1
EP2684657B1 EP13397524.3A EP13397524A EP2684657B1 EP 2684657 B1 EP2684657 B1 EP 2684657B1 EP 13397524 A EP13397524 A EP 13397524A EP 2684657 B1 EP2684657 B1 EP 2684657B1
Authority
EP
European Patent Office
Prior art keywords
splitting
log
sawing
processor
extension
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
EP13397524.3A
Other languages
German (de)
English (en)
Other versions
EP2684657A1 (fr
Inventor
Ismo Hallapuro
Juha Autio
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.)
Regon AY
Original Assignee
Regon AY
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Publication of EP2684657A1 publication Critical patent/EP2684657A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/08—Discharging equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B1/00—Methods for subdividing trunks or logs essentially involving sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0041—Saw benches or saw bucks
    • B27B17/0058—Saw benches or saw bucks with the saw being pivotally mounted
    • 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
    • B27L7/00—Arrangements for splitting wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/0041—Saw benches or saw bucks
    • B27B17/0066—Saw benches or saw bucks with the saw mounted upright

Definitions

  • the present invention concerns a firewood processor according to the preamble of claim 1.
  • Such processor is known from the document US4286638A1 .
  • the wood burnt in fireplaces, firewood is made from limbed logs with various types of firewood processors made for the purpose.
  • the log used for the production of firewood is set on a feeding table from which the log is moved to be cut to a specific size.
  • the cutting process is usually performed with a chainsaw that cuts the log with a downward motion.
  • the cut log then drops to a splitting chute into a lengthwise position between a splitting cylinder and a splitting blade.
  • the cut log splits when it is pressed against the splitting blade by the splitting cylinder.
  • the feeding table, its frame and the cutting blade are positioned above the splitting chute so that the cut log moves to the splitting chute underneath by falling under gravity.
  • Malfunction in the mentioned firewood processor is often caused by a log which has fallen into the splitting chute but does not settle to the chute in the expected lengthwise position between the splitting blade and the splitting cylinder.
  • the firewood processor produces firewood of nonspecific shape and it often happens that as a diagonally positioned log is pressed against the splitting blade by the hydraulic cylinder, the capacity of the cylinder is exceeded and the log is jammed onto the splitting blade.
  • Removing the jammed log from the splitting blade is laborious, time consuming and a safety risk from the point of view of functionality of the firewood processor.
  • the reasons for security risks are caused by turning the safety equipment on/off, removing a jammed log from the splitting blade and also that the user overrides or removes the safety mechanisms designed to increase safety, to make the process of removing or straightening the jammed log quick and easy.
  • a malfunction is thus often caused by the uncontrolled movement, while falling freely, of the cut log into the splitting chute.
  • An object of the present invention is to achieve a firewood processor that is free from problems caused by the faulty position of the log, as described above.
  • the figure 1 represents thus a firewood processor 1 according to the invention as seen directly from above.
  • a tree, log or a block of wood that needs to be cut or split has been marked in the drawings with the reference number 2. It will be fed onto the cutting table 3 that has suitable common means for holding the log in place.
  • the said means can be of any type.
  • the cutting table can be provided for example with rollers, usually having an axis direction perpendicular to the direction of feeding.
  • the splitting table is marked with reference number 6.
  • the table is usually chute-like so the piece of wood moving onto it usually settles lengthwise on the bottom.
  • the splitting blade 7 is located at the end of the chute.
  • the sawn piece of wood 2' is pressed against the splitting blade by an essentially plate-like part 5 usually equipped with a hydraulic cylinder.
  • the range of motion of the splitting cylinder does not reach all the way up to the splitting blade 7, but far enough to create space to the chute 6 for the next log to be moved for sawing.
  • firewood is made so that the log is fed into cutting position onto the cutting table 3, sawn usually with a chainsaw 8 at which time the sawn piece falls along a suitable wall to the splitting chute 6 where it will be split with the movement of the splitting cylinder, and which motion will be repeated in a suitable cycle.
  • a solution provided by the invention is as follows.
  • the sawn piece of wood, block 2' instead of falling to the splitting chute 6 right after being cut, now remains in position supported by extension 9 of the cutting table.
  • the extension 9 consists of two branches 11, 12, that are positioned at an oblique or right angle to each other.
  • the shaft 17 of the first branch 11 is provided with an articulating joint 15 at its lower end and attached to the lower parts of the frame of the processor.
  • the distal end of the other branch 12, which holds the sawn piece of wood along with branch 11, is attached to the frame of the processor 14 via a joint 13.
  • the transit distance of the sawn log from the position of being supported by the cutting board extension 9 into the splitting chute 6 is very short, and the probability of the log settling in an incorrect position for the splitting procedure is minimal.
  • the sawing motion initiates a chain of movements, as a result of which the sawn block 2' automatically moves into the splitting chute 6.
  • a roller 18 attached to the frame of the sawing means 8 moves so it touches the surface of the branch 12 at the point when the log has been already sawed for some time. With the help of the pressure exerted on the branch 12, the roller 18 causes the shaft 17 and its extension, branch 11, to push towards the splitting chute 6.
  • the sawing process is completed i.e. the block 2' has separated, only a small motion is needed to move the block 2' to the splitting chute. Consequently, the whole process is automated and also fast due to steps occurring simultaneously.
  • the arrangement that uses the roller 18 is not the only way to produce the movement in question. For example slip surfaces or joints can be used to aid the process.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Claims (6)

  1. Appareil de transformation de bois de chauffage (1) à utiliser pour découper et fendre une bûche, et comprenant des moyens de sciage (8) pour découper la bûche (2), et une table de fendage (6) qui comporte des moyens (4, 5, 7) pour fendre un morceau de bois coupé en le poussant contre une lame de fendage (7), dans lequel l'appareil de transformation (1) comprend une extension (9) de table de découpe (3) séparée pour maintenir et déplacer le bloc de bois coupé (2') sur la table de fendage, dans lequel l'extension de table de découpe (9) comprend des branches de maintien (11, 12), caractérisé en ce qu'un arbre d'extension (17), dont l'extrémité libre a été reliée par un joint articulé (15) à une structure de châssis de l'appareil de transformation (1), et dans lequel une (12) des branches de maintien (11, 12) est attachée de manière fixe à la structure de châssis de l'appareil de transformation avec un joint (13), de sorte que la rotation de l'arbre d'extension (17) vers la table de fendage (6) amène la branche (12) à mettre un terme au maintien du bloc de bois coupé (2') et permettre au bloc (2') de se déplacer sur la table de fendage (6).
  2. Appareil de transformation de bois de chauffage selon la revendication 1, caractérisé en ce que les moyens de sciage (8) ont également été fixés à la structure de châssis de l'appareil de transformation par l'intermédiaire d'un arbre (10) pouvant être entraîné en rotation autour d'une articulation (16).
  3. Appareil de transformation de bois de chauffage selon la revendication 1 ou 2, caractérisé en ce que l'extension de la planche de découpe (9) est du type à tourner/basculer autour de l'axe longitudinal de la bûche sciée (2).
  4. Appareil de transformation de bois de chauffage selon la revendication 2, caractérisé en ce que les moyens de sciage (8) comprennent une tronçonneuse essentiellement verticale qui effectue le processus de sciage avec le mouvement de l'arbre de rotation (10).
  5. Appareil de transformation de bois de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que la structure de châssis des moyens de sciage (8) est associée à un mécanisme qui déplace une bûche en train d'être coupée par la transition des branches (11, 12) vers la direction de la glissière de fendage (6) pendant le mouvement de sciage.
  6. Appareil de transformation de bois de chauffage selon la revendication 5, caractérisé en ce que le mécanisme de déplacement des branches (11, 12) avec le mouvement de sciage est basé sur un mécanisme à rouleaux (18) qui s'appuie sur la branche (12).
EP13397524.3A 2012-07-11 2013-07-03 machine pour bois de chauffage Active EP2684657B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20125790A FI126314B (fi) 2012-07-11 2012-07-11 Klapikone

Publications (2)

Publication Number Publication Date
EP2684657A1 EP2684657A1 (fr) 2014-01-15
EP2684657B1 true EP2684657B1 (fr) 2017-11-22

Family

ID=48832845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13397524.3A Active EP2684657B1 (fr) 2012-07-11 2013-07-03 machine pour bois de chauffage

Country Status (2)

Country Link
EP (1) EP2684657B1 (fr)
FI (1) FI126314B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI26341A (sl) * 2022-04-04 2023-10-30 Tajfun Planina Proizvodnja Strojev, D.O.O. Naprava za razrezovanje in cepljenje hlodovine za predelavo v drva

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373564A (en) * 1980-11-13 1983-02-15 Heikkinen Leo L Self-propelled wood processing apparatus
EP0901892A2 (fr) * 1997-09-11 1999-03-17 Ercole Della Rossa Machine automatique électronique à couper et à fendre du bois

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974867A (en) * 1975-04-30 1976-08-17 Butas Jr Joseph T Log splitter
US4173237A (en) * 1977-08-04 1979-11-06 Lafont Corporation Firewood systems
US4286638A (en) * 1980-02-13 1981-09-01 Bruce Connolly Apparatus for measuring, cutting and splitting logs
US4936362A (en) * 1989-08-02 1990-06-26 Multitek, Inc. Firewood clean out apparatus
FI125335B (fi) * 2010-05-14 2015-08-31 Reikälevy Oy Katkaisu- ja pilkkomislaite

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373564A (en) * 1980-11-13 1983-02-15 Heikkinen Leo L Self-propelled wood processing apparatus
EP0901892A2 (fr) * 1997-09-11 1999-03-17 Ercole Della Rossa Machine automatique électronique à couper et à fendre du bois

Also Published As

Publication number Publication date
FI20125790L (fi) 2014-01-12
EP2684657A1 (fr) 2014-01-15
FI126314B (fi) 2016-09-30

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