EP3603910B1 - Holzspalter - Google Patents

Holzspalter Download PDF

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Publication number
EP3603910B1
EP3603910B1 EP19175147.8A EP19175147A EP3603910B1 EP 3603910 B1 EP3603910 B1 EP 3603910B1 EP 19175147 A EP19175147 A EP 19175147A EP 3603910 B1 EP3603910 B1 EP 3603910B1
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EP
European Patent Office
Prior art keywords
splitting
wood
blade
piece
split
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
EP19175147.8A
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English (en)
French (fr)
Other versions
EP3603910A1 (de
Inventor
Ms. Roberta RICCA
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.)
Ricca Andrea and C SNC
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Ricca Andrea and C SNC
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Publication date
Application filed by Ricca Andrea and C SNC filed Critical Ricca Andrea and C SNC
Publication of EP3603910A1 publication Critical patent/EP3603910A1/de
Application granted granted Critical
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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
    • B27L7/00—Arrangements for splitting wood

Definitions

  • the present invention relates to a wood log or stub splitting machine according to the preamble of claim 1, comprising a linear actuator, a splitting blade displaceable by means of the linear actuator between an inoperative receded position and an advanced splitting position relatively to a base for supporting a piece of wood to be split, a unit for actuating the linear actuator, and means for controlling such actuation unit.
  • the critical step is the one in which the blade progressively approaches the piece of wood up to reaching the actual rest position corresponding to the contact between the splitting blade and an end of the piece of wood to split. In this step, it is important for the piece of wood to maintain the correct splitting position during the approaching of the blade, especially for crooked or curved pieces of wood which rarely have support surfaces which allow the stable balance thereof.
  • German utility model DE 94 19 074 U1 discloses a wood log or stub splitting machine according to the preamble of claim 1, with a device for locking the wood log to be split consisting in a blade orthogonal to the wood log to be split. During the positioning of the wood log the blade must be penetrated thereinto so as to lock it in the splitting position. The blade is provided with an appendage which, during the splitting step, rotates the blade downwards freeing the log.
  • Such solution is complex, expensive and it entails considerable implementation challenges.
  • the object of the present invention is to overcome the aforementioned drawback, and more in particular to provide a wood log splitting machine of the type defined above that does not require the operator to manually hold the piece of wood to be split when approaching the blade to the piece, thus freeing both hands of the operator hence making any other assistance superfluous up to the splitting step.
  • the device for retaining the piece of wood comprises a flexible and at least partially extensible element, for example a chain, any type of rope, an elastic band, removably connected to hooking members arranged on a framework portion of the wood splitting machine.
  • the flexible element is a chain
  • the retaining device is provided with a pair of hooking members mutually arranged in a manner such that the chain can at least partially surround the piece of wood to be split.
  • One of the hooking members is designed to automatically disengage the chain so that it can release the piece of wood when the splitting blade is displaced from the rest position to the advanced splitting position.
  • the chain may comprise an elastic portion, for example a helical spring or an elastic band, so as to allow the chain to effectively adhere to pieces of wood of different dimensions, locking them integrally joined in the pre-established position on the support base.
  • an elastic portion for example a helical spring or an elastic band
  • One of the hooking members may be open towards the support base so as to allow a quick disengagement of the flexible element connected thereto when the appendage, integrally joined to the blade, contacts an end portion of the flexible element during the advancement of the blade from the rest position to the advanced splitting position.
  • the disengagement of the retaining device from the piece of wood to be split occurs in the initial section of the displacement of the splitting blade, between the rest position and the advanced splitting position, for example about 1/3 of the total length of the piece of wood from the support base.
  • the wood log splitting machine essentially comprises a support structure generally indicated with 1, consisting of a body 2, a vertical upright 3 and a horizontal base 4 for supporting the piece of wood P which is to be split progressively.
  • a slider-like support 5 laterally provided with a projecting appendage 15 and bearing - in a cantilevered fashion - a splitting blade 6 displaceable between a raised position, represented in figure 1 , and a final lowered position of the piece of wood P, represented in figure 4 , by means of a linear actuator 7 consisting of a hydraulic jack.
  • the cylinder 8 of the hydraulic jack 7 is fixed to a support 9 carried by the upright 3, while the lower end of the stem 10 thereof is connected to the splitting blade 6.
  • the upright 3 further bears an electrical-hydraulic unit for actuating the hydraulic jack 7 with the relative control means, not represented in that known to a man skilled in the art, for displacing the blade 6 from a raised or receded position to an advanced or lowered position and vice versa.
  • the control means include, so as to comply with the regulatory safety specifications set forth for such wood log splitting machines, safety means for example consisting of a pair of levers or buttons that require the action of both hands of the operator to carry out the operation for splitting the piece of wood P.
  • vertically arranged on the support base 4 is a piece of wood P to be split, in a position aligned with the splitting blade 6.
  • two hooking members consisting - in this preferred embodiment - in a hook 11 for example open at the top and in a hook 12 open at the bottom 12, positioned at about 1/3 of the length of the piece of wood P with respect to the support base 4. Such position can also be adjusted vertically.
  • a chain or rope 13 can be engaged in the hooks 11 or 12 so as to partially surround the piece of wood to be split P.
  • a spring 14 provided in a median portion of the chain 13 provides a tension that is necessary and sufficient to firmly and temporarily lock the piece of wood P in the splitting position as illustrated in figure 1 .
  • the spring 14 can be replaced by an elastically extensible band or the like.
  • the wood log splitting machine according to the invention operates as follows.
  • the operator commands the start of the splitting cycle having both hands free to actuate the control means of the hydraulic jack 7 without having to be concerned with holding the piece of wood P in the splitting position.
  • the blade 6 descends up to resting on the piece of wood P to be split.
  • the downward displacement of the blade 6 starts the step of splitting the piece P.
  • the appendage 15, integrally joined to the blade 6 by means of the support 5 meets the corresponding end of the chain 13, at about 1/3 of the length of the piece of wood P, a further advancement of the blade, represented by the left arrow of figure 3 , causes the automatic disengagement of the end of the chain 13 from the hook 12, pushing it in the direction of the right arrow of figure 3 .
  • Figure 4 shows the splitting blade in the final lowered position thereof with the chain 13 which remained hanged to the hook 11, ready for the subsequent use thereof.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Electrophonic Musical Instruments (AREA)

Claims (6)

  1. Holzspalter, umfassend einen linearen Aktuator (7) mit einem Spaltmesser (6), das zwischen einer zurückgezogenen Außerbetriebsposition und einer vorgeschobenen Spaltposition relativ zu einem Boden (4) des Holzspalters zum Tragen eines zu spaltenden Holzstücks (P) verschiebbar ist, eine Einheit zum Betätigen des linearen Aktuators (7), Mittel zum Steuern der Betätigungseinheit dazu, das Spaltmesser (6) aus der zurückgezogenen Position in die vorgeschobene Position zu verschieben und umgekehrt, wobei die Steuermittel Sicherheitsmittel umfassen, die das Benutzen beider Hände des Bedieners zum Ausführen des Spaltvorgangs erfordern, wobei die Betätigungseinheit in der Lage ist, mittels der Steuermittel in Betrieb genommen zu werden, um zuerst das Spaltmesser (6) aus der zurückgezogenen Position in eine Ruheposition, die dem Kontakt zwischen dem Spaltmesser (6) und einem Ende des zu spaltenden Holzstücks (P) entspricht, zu bewegen, wobei der Holzspalter mit einer Vorrichtung zum temporären Halten (13) versehen ist, die dazu geeignet ist, während des Verschiebens des Spaltmessers (6) aus der zurückgezogenen Position in die Ruheposition das zu spaltende Holzstück (P) in einer mit dem Spaltmesser (6) ausgerichteten Position auf dem Tragboden (4) zu halten, und der Holzspalter derart ausgestaltet ist, dass die Vorrichtung zum temporären Halten (13) das Holzstück (P) während des durch das Spaltmesser (6) durchgeführten Spaltens loslässt, dadurch gekennzeichnet, dass die Haltevorrichtung ein flexibles Element (13) umfasst, das mindestens teilweise trennbar mit Hakenteilen (11, 12) verbunden ist, die an dem Holzspalter angeordnet sind, wobei die Hakenteile (11, 12) jeweils so angeordnet sind, dass das flexible Element (13) das zu spaltende Holzstück (P) mindestens teilweise umgibt, wobei mindestens eines der Hakenteile (11, 12) derart ausgebildet ist, dass es das flexible Element (13) automatisch freigibt, wenn das Spaltmesser (6) aus der Ruheposition in die vorgeschobene Spaltposition verschoben wird, wobei das flexible Element (13) eine Kette, ein Seil oder ein Band ist, wobei das Band mit einem elastischen Abschnitt und mit Endösen, die dazu geeignet sind, in mindestens ein lösbares Hakenteil eingeführt zu werden, versehen ist.
  2. Holzspalter nach Anspruch 1, dadurch gekennzeichnet, dass die Haltevorrichtung (13) ein mindestens teilweise elastisch dehnbares Element (14) umfasst.
  3. Holzspalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kette (13) einen elastischen Abschnitt umfasst, beispielsweise eine Spiralfeder (14) oder ein elastisch dehnbares Band.
  4. Holzspalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eines der Hakenteile (11, 12) zu dem Tragboden (4) hin offen ist.
  5. Holzspalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Lösen der Haltevorrichtung (13) von dem zu spaltenden Holzstück (P) mittels der Stoßkraft eines Fortsatzes (15), der gemeinsam mit dem Spaltmesser (6) gegen einen Abschnitt der Haltevorrichtung (13) bewegbar ist erfolgt, wenn das Messer (6) sich aus der Ruheposition in die vorgeschobene Spaltposition vorschiebt.
  6. Holzspalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Lösen der Haltevorrichtung (13) von dem zu spaltenden Holzstück (P) in dem ersten Abschnitt der Verschiebung des Spaltmessers (6) aus der Ruheposition in die vorgeschobene Spaltposition erfolgt.
EP19175147.8A 2018-07-30 2019-05-17 Holzspalter Active EP3603910B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000007628A IT201800007628A1 (it) 2018-07-30 2018-07-30 Macchina spaccalegna o spaccatronchi

Publications (2)

Publication Number Publication Date
EP3603910A1 EP3603910A1 (de) 2020-02-05
EP3603910B1 true EP3603910B1 (de) 2022-04-13

Family

ID=64049527

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19175147.8A Active EP3603910B1 (de) 2018-07-30 2019-05-17 Holzspalter

Country Status (2)

Country Link
EP (1) EP3603910B1 (de)
IT (1) IT201800007628A1 (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307714A (en) * 1918-07-11 1919-06-24 Leland M Van Slyke Wood sawing and splitting machine.
DE9419074U1 (de) * 1994-11-28 1995-01-26 Binderberger, Karl, St. Georgen Holzspaltgerät mit einer Anschlag-Haltevorrichtung für Meterholz
AT402037B (de) * 1995-04-06 1997-01-27 Knabl Stefan Ing Vorrichtung zum spalten von holzstücken
DE20019857U1 (de) * 2000-11-23 2001-06-07 Kaesberger Franz Drehvorrichtung - Zusatzeinrichtung für hydraulische Hochspalter jeglicher Art
FR2845027B1 (fr) * 2002-09-26 2004-12-17 Rabaud Sa Perfectionnement aux machines domestiques utilisees pour la decoupe de petites billes de bois
DE102006001190A1 (de) * 2006-01-10 2007-07-12 Johann Koppold Bodenplatte für einen vertikal arbeitenden Holzspalter in Vaukonstruktion
DE202012005222U1 (de) * 2012-05-29 2012-07-24 Alexander Michael Faller Schutzvorrichtung für Holzspalter bzw. Holzspalter mit Schutzvorrichtung
DE102012017993A1 (de) * 2012-09-12 2014-03-13 Georg Dier Mobile und universelle Vorrichtung zum effizienten und gefahren-reduzierten Holz spalten
ITUB201586610U1 (it) * 2015-11-06 2017-05-06 Bell Srl Macchina spaccalegna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
IT201800007628A1 (it) 2020-01-30
EP3603910A1 (de) 2020-02-05

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