EP0956932A2 - Dispositif pour couper des pièces allongées - Google Patents

Dispositif pour couper des pièces allongées Download PDF

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Publication number
EP0956932A2
EP0956932A2 EP99108991A EP99108991A EP0956932A2 EP 0956932 A2 EP0956932 A2 EP 0956932A2 EP 99108991 A EP99108991 A EP 99108991A EP 99108991 A EP99108991 A EP 99108991A EP 0956932 A2 EP0956932 A2 EP 0956932A2
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EP
European Patent Office
Prior art keywords
arrangement according
pieces
receiving devices
longitudinal direction
area
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
EP99108991A
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German (de)
English (en)
Other versions
EP0956932A3 (fr
EP0956932B1 (fr
Inventor
Franz Gutser
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0956932A2 publication Critical patent/EP0956932A2/fr
Publication of EP0956932A3 publication Critical patent/EP0956932A3/fr
Application granted granted Critical
Publication of EP0956932B1 publication Critical patent/EP0956932B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/22—Saw benches with non-feedable circular saw blade
    • B27B5/228—Cross-cutting automatically laterally-fed travelling workpieces; Reducing lumber to desired lengths

Definitions

  • the invention relates to a separation arrangement for separating elongated input pieces in shorter output pieces, especially a sawing device for cutting elongated wood into shorter pieces, for example for the production of pieces of firewood of appropriate size from where appropriate pre-split long logs, especially the common meter pieces or for the rational production of commercially related products Pieces of wood such as frame timber for box or pallet construction.
  • the invention is therefore based on the object of a separation arrangement Specify the type mentioned, which is a separation of elongated Input pieces in shorter output pieces, especially the generation of shorter ones Pieces of wood from longer input timbers such as more oven-friendly Pieces of firewood or commercially related pieces of wood from longer ones Wood pieces with high throughput and easy handling possible.
  • Continuous feeding is essential in the present invention from input pieces to the separating device by the several separating tools from an input piece in a separating process all starting pieces generated at the same time, and the detachment of the assembly process in Insertion area of the separation process on the separation device.
  • the latter is special cheap for manual loading and is provided by an insertion area, the size of which preferably comprises a plurality of holding devices, advantageously promoted in that no strict compliance with a exactly specified assembly clock is promoted.
  • the transport speed is advantageously adjustable, preferably independently from the drive of the cutting tools.
  • the cradles are preferred open on one insert side and especially in the receiving cross-section approximately V-shaped.
  • the feed device for transporting in the loading area into the receiving devices inserted input pieces for the separating device is preferred designed as an endless conveyor, in which the receiving devices periodically on a closed revolving Conveying means are arranged, the feed path from the insertion area to the separating device within a loop running through the conveyor above and a return path below.
  • the conveying means preferably contains at least two in the longitudinal direction of the receiving devices spaced apart, in particular terminally on the receiving devices arranged chains, the receiving devices fixed are connected with chain links.
  • To tilt the receptacles about a parallel to the longitudinal direction of the tilt axis under the at Preventing separation occurring forces are at least in the area the separating device guides are provided which such tilting prevent.
  • an arrangement is preferred in which the chain links, to which the receiving devices are attached, dimensioned so long and are guided in said guides that such tilting the receptacles firmly connected to the chain links reliable is prevented.
  • the forces occurring during the separation process can, in addition to tilting the Pick-up devices without countermeasures also for ejection or tearing out a processed input piece from the receiving device to lead.
  • restraining means are provided, which at least in the area of the separating device for holding the input piece in the receiving device are effective.
  • a first embodiment of such Retention means provides that hold-down devices between the cutting tools are provided, which resiliently rest on the input piece and this press into the holder.
  • the hold-down devices can in particular as running in the direction of transport, fixed and down in Domed belts made of metal, plastic, Rubber, etc., under which the input piece is sliding is carried out and which are resiliently moved upwards can.
  • the retention means sees toothed in the receiving device Strive, which on the front in the transport direction of the Receiving device are arranged and to which the input piece at Separation process is pressed by the cutting tools.
  • the receptacles are preferably longitudinally at one end provided with a stop, for example in the form of a plate, against which the inserted input piece can be pushed so that on simple Way the desired length of all output pieces is guaranteed.
  • a stop for example in the form of a plate
  • the desired length of the output pieces is not to be exceeded at the end facing away from the stop
  • a separating tool is provided at this end facing away from the stop, which cuts off a remainder if the input piece is too long.
  • the remaining piece can be used separately from the other output pieces be used for sawing firewood, for example, as residual wood for operating a Drying plant.
  • the cutting tools are advantageously in their number and / or their intervals changeable in the longitudinal direction. For example, for separation of approx. 1 m long logs as input pieces using three cutting tools then three output pieces of approx. 33 cm each or using four Separating tools, each with four output pieces, each approx. 25 cm, and if necessary a remnant are generated.
  • the separating tools are preferred, especially at distances in the above mentioned order of magnitude, via a common drive shaft driven by a common drive unit.
  • the drive unit is preferably an electric motor.
  • Arrangements to be operated, however, are also driven by an internal combustion engine, a belt transmission or a drive shaft, for example from a vehicle, etc, sensible and advantageous.
  • Circular saw blades as cutting tools.
  • the multiple circular saw blades can advantageously arranged on a drive shaft and by spacers in be kept at a defined distance. To change the mutual distances the spacers then become in the longitudinal direction of the drive shaft exchanged.
  • the length of the receiving devices is preferably less than 2.50 m, in particular less than 1.50 m.
  • the long logs as input pieces are preferred already pre-split to a cross section suitable for the oven, so that the output pieces do not need to be further processed.
  • the output pieces after passing through the separating device become preferably a short distance behind the separating device in the receiving device transported further and at a deflection of the endless conveyor ejected down.
  • the ejected output pieces are preferably discharged directly on a conveyor belt or the like.
  • the features described above and in the claims are advantageous both individually and preferably in different combinations realizable to solve the task.
  • the invention is particular of considerable economic advantage for the production of firewood pieces suitable for the stove from long logs and for the rational production of commercial related shorter pieces of wood from long logs as input pieces as described.
  • the arrangement contains AR in a mounting frame essential element is a feed device with a two-track conveyor chain arrangement FK, on which a plurality of receiving devices AV in the form of approximately V-shaped troughs which are open towards an insertion side are attached.
  • the conveyor chain arrangement is deflected via KR chain wheels, the sprockets arranged on a chain shaft KW through a chain drive KM are driven. The directions of the chain movement are indicated by arrows within the loop formed by the endless chain.
  • the chain rotates When the chain rotates, they are on the underside of the chain loop returning receiving device after deflection on the example non-driven right-hand sprocket through an insertion area EB performed, in which the V-shaped receptacles for insertion are accessible from input pieces.
  • the insertion area EB is so large that it has several receivers AV in the transport direction TR includes at the same time.
  • the starting area of the overhead feed path of the Chain run in front of the loading area is protected by a cover AD.
  • the elongated receptacles AV extend with it Longitudinal axis perpendicular to the plane of Fig. 1 and transverse to the direction of transport TR.
  • the length of the receiving devices depends on the Use of the saw arrangement and the expected length of the elongated Input pieces. For the further description it is assumed that the Separation arrangement as a firewood saw for the production of firewood-sized pieces made of long logs of about 1 m in length.
  • the loading area is for manual Feed preferably accessible from at least two sides.
  • automatic loading is also conceivable, which, however, is not further considered in the following.
  • the holding devices with long logs inserted therein as input pieces become with the movement of the conveyor chain arrangement in the transport direction TR fed to a separating device with several circular saw blades SB.
  • the separating device is covered by a further protective hood BD. Additional safeguards can be provided without in of the drawing, which is only to be understood as a diagram.
  • the several Saw blades SB are attached to a common drive shaft AW, which via a common drive unit BA, for example an electric motor started.
  • the direction of rotation of the saw blades is indicated by an arrow specified.
  • the conveyor chain FK is guided in a chain guide KF, which is a Tilting of the holding devices due to the force of the saw blades on the inserted long logs thereby preventing the receiving devices AV are firmly connected to the chain links and the chain links show such a length that this was caused by the saw blades Tipping moment absorbed on the length of the chain links in the chain guide KF and reliably prevents the receiving device from tilting becomes.
  • FIG. 2 shows a top view of an arrangement of the type outlined in FIG. 1 where not all components of the arrangement are included to the Improve clarity.
  • the conveyor chain arrangement FK which is in operation is covered by a chain cover KA, is on one side of the arrangement disclosed drawn.
  • the FK conveyor chain slides on the upper feed section and preferably also on the return path below on a chain support KA made of low-friction material, for example polyamide.
  • 2 are designed as troughs, which have a stop plate LA on one side in the longitudinal direction, to which the long logs are pushed when inserting.
  • the Troughs are interrupted at recesses VL.
  • the recesses VL are in Longitudinal direction L of the receptacles on the considered Saw blade positions SP are provided, on the scale in the longitudinal direction L two alternatives with four saw blades in saw blade positions 4.1, 4.2, 4.3 and 4.4 or with three saw blades in positions 3.1, 3.2 and 3.3 are.
  • the starting point for the measurement in the longitudinal direction is the position of the stop plates LA chosen. There are saw blade arrangements considered for both equal distances between the saw blades each other and from the Level of the stop plates adopted.
  • the shape of the receptacles with multiple recesses VL enables, as illustrated, different saw blade arrangements with different number of saw blades and / or different saw blade spacing and still offers sufficient support for inserted long logs and those separated from them short pieces in the area behind the saw blade arrangement.
  • the receptacles AV are extending in the longitudinal direction Receptacle AT attached, these receptacles with their ends again firmly connected to chain links of the conveyor chain arrangement FK are.
  • the several saw blades SB are on a common drive shaft AW attached, the spacing of the saw blades to each other and against the in the sketch of the level of the stop plates at the upper edge using spacers DS between the saw blades can be set reliably can.
  • the spacers are used to change the saw blade spacing DS exchanged for other spacers with a different length.
  • FIG. 3 shows, on an enlarged scale, a cross section through a holding device with an inserted long log and the attachment to the chain.
  • the chain FK slides with chain links connected via bolt B. on a chain support KA made of polyamide or another low-friction Material, which in turn is attached to a chain carrier KT, which with is connected to the body frame.
  • a holding plate HP is fixed with a chain link connected, for example welded to it, and extends perpendicular to the plane of the drawing away from the chain link in the direction of the longitudinal direction of the cradles.
  • A is attached to the holding plate HP Side member for the receiving device, for example in the form of a U-shaped Steel profile is executed and is firmly screwed to the holding plate.
  • the receiving device AV is in this example in the form of a V-shape the support AT welded struts executed.
  • the chain FK is in the area the chain guide KF drawn.
  • the saw blade circumference line is through the broken line section line indicated SBL.
  • the force of the The saw blade during the cutting process firstly presses the long log LS to the support strut TV and at the front in the direction of transport TR thus a tilting moment MK for the receiving device by one to the longitudinal direction parallel tilt axis counterclockwise.
  • the chain link firmly connected to the receiving device its rear end in the direction of transport lifted from the support and pressed against the top guide.
  • An advantageous embodiment provides one for the receiving devices Cross section with substantially straight side contact surfaces or edges of the Recording room with an included angle of 90 °. This favors the inclusion of pre-cut long logs.
  • the force exerted by the saw blade on the long log LS can in individual cases also cause the log to be thrown out of the cradle is blocked and the arrangement.
  • Countermeasure by the hold-down device is shown in FIG. 3 as another advantageous and effective measure the inner edge of the in the direction of transport TR front strut TV with a long log restraining Provide toothing RZ.
  • the recording device AV contains in the longitudinal direction a plurality of such toothed struts, wherein the receiving device in different combination of the described elements of struts and tubs or equivalent mechanical means.
  • the cradles can in particular also predominantly or completely formed by a plurality of struts arranged in a rake in two rows be.
  • the functional design with safe storage is important the inserted long log and the holder of the long log or from it cut shorter sections until leaving the area of the saw blade arrangement.
  • the carrier AT of the receptacle can still face down Rubber wiper lip be provided, which on a between the Feed path and the return path pasted horizontal floor along streak and removed fallen wood residues.
  • the invention is not restricted to the exemplary embodiments described, but in various ways within the framework of professional skill changeable.
EP99108991A 1998-05-14 1999-05-06 Dispositif pour couper des pièces allongées Expired - Lifetime EP0956932B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19821556 1998-05-14
DE19821556A DE19821556A1 (de) 1998-05-14 1998-05-14 Trennanordnung

Publications (3)

Publication Number Publication Date
EP0956932A2 true EP0956932A2 (fr) 1999-11-17
EP0956932A3 EP0956932A3 (fr) 2000-06-14
EP0956932B1 EP0956932B1 (fr) 2003-01-15

Family

ID=7867713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108991A Expired - Lifetime EP0956932B1 (fr) 1998-05-14 1999-05-06 Dispositif pour couper des pièces allongées

Country Status (3)

Country Link
EP (1) EP0956932B1 (fr)
AT (1) ATE231055T1 (fr)
DE (2) DE19821556A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2119538A1 (fr) 2008-05-16 2009-11-18 Adolf Lutz Dispositif de coupe de bois selon une coupe multiple
EP2248643A1 (fr) 2009-05-08 2010-11-10 Pol Verschatse Dispositif de sciage à couper des troncs en bois de chauffage
DE102010023688A1 (de) * 2010-06-14 2011-12-15 Hüpgen & Wollgarten GbR (vertretungsberechtigter Gesellschafter: Christoph Hüpgen, 52152 Simmerath) Sägevorrichtung zum Fertigen von Holzscheiten
CN102357673A (zh) * 2011-09-23 2012-02-22 盘锦人和建筑材料有限公司 切边机
DE202012010176U1 (de) 2012-10-24 2012-12-05 Martin Brenneisen Säge mit parallel angeordneten Sägeblättern
DE202014103005U1 (de) 2014-07-01 2014-07-21 Roland Köhler Mehrfachsäge zum Zersägen von langgestrecktem Sägegut
CN106945125A (zh) * 2017-04-28 2017-07-14 临清市世海机械有限公司 一种双面开方锯
CN109203085A (zh) * 2018-09-01 2019-01-15 江苏江佳机械有限公司 高速优选截断精刨生产线
CN111014069A (zh) * 2019-12-20 2020-04-17 南宁市东营美志木业有限公司 一种桉木梯队筛选系统
CN111014068A (zh) * 2019-12-20 2020-04-17 南宁市东营美志木业有限公司 一种桉木梯队筛选方法
CN112809838A (zh) * 2021-01-13 2021-05-18 邓红梅 一种家具生产用木板切割设备
DE102021108373A1 (de) 2020-04-07 2021-10-07 Roland Köhler Doppelsäge zum Zersägen von langgestrecktem Sägegut

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104626275B (zh) * 2014-12-19 2017-04-12 广德平江竹业制作有限公司 弯板切割机的切割装置
CN105034111B (zh) * 2015-06-27 2017-06-20 李志轩 一种木皮削切机送料装置
CN106994716A (zh) * 2016-09-23 2017-08-01 广州萨哲电子科技有限公司 一种木板连续切割装置
CN106994718A (zh) * 2016-09-23 2017-08-01 广州萨哲电子科技有限公司 一种切割高度可调的木板连续切割装置
CN106994717A (zh) * 2016-09-23 2017-08-01 广州萨哲电子科技有限公司 一种新型木板连续切割装置
CN106994719A (zh) * 2016-09-23 2017-08-01 广州萨哲电子科技有限公司 一种木板用切割装置
CN106994715A (zh) * 2016-09-23 2017-08-01 广州萨哲电子科技有限公司 一种可移动木板连续切割装置
CN109015844A (zh) * 2018-06-29 2018-12-18 六安市叶集区亿源木业加工有限公司 一种吸尘式环保板料夹持输送机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569878A (en) * 1948-06-04 1951-10-02 Ernest C Avinger Machine for cutting logs into sections
GB671888A (en) * 1950-08-18 1952-05-14 Jan Sestak Improvements in or relating to the cutting up of wood billets into pieces
US4005625A (en) * 1975-04-17 1977-02-01 Andre Brochu Tree slasher
US4068549A (en) * 1976-12-27 1978-01-17 James Earle Huffman Picker stick feed and sawing device
US4259886A (en) * 1979-06-20 1981-04-07 Seid Bobby P Wood cutter and loader

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569878A (en) * 1948-06-04 1951-10-02 Ernest C Avinger Machine for cutting logs into sections
GB671888A (en) * 1950-08-18 1952-05-14 Jan Sestak Improvements in or relating to the cutting up of wood billets into pieces
US4005625A (en) * 1975-04-17 1977-02-01 Andre Brochu Tree slasher
US4068549A (en) * 1976-12-27 1978-01-17 James Earle Huffman Picker stick feed and sawing device
US4259886A (en) * 1979-06-20 1981-04-07 Seid Bobby P Wood cutter and loader

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2119538A1 (fr) 2008-05-16 2009-11-18 Adolf Lutz Dispositif de coupe de bois selon une coupe multiple
EP2248643A1 (fr) 2009-05-08 2010-11-10 Pol Verschatse Dispositif de sciage à couper des troncs en bois de chauffage
DE102010023688A1 (de) * 2010-06-14 2011-12-15 Hüpgen & Wollgarten GbR (vertretungsberechtigter Gesellschafter: Christoph Hüpgen, 52152 Simmerath) Sägevorrichtung zum Fertigen von Holzscheiten
CN102357673A (zh) * 2011-09-23 2012-02-22 盘锦人和建筑材料有限公司 切边机
DE202012010176U1 (de) 2012-10-24 2012-12-05 Martin Brenneisen Säge mit parallel angeordneten Sägeblättern
DE202014103005U1 (de) 2014-07-01 2014-07-21 Roland Köhler Mehrfachsäge zum Zersägen von langgestrecktem Sägegut
CN106945125B (zh) * 2017-04-28 2022-07-08 临清市世海机械有限公司 一种双面开方锯
CN106945125A (zh) * 2017-04-28 2017-07-14 临清市世海机械有限公司 一种双面开方锯
CN109203085A (zh) * 2018-09-01 2019-01-15 江苏江佳机械有限公司 高速优选截断精刨生产线
CN109203085B (zh) * 2018-09-01 2023-09-05 江苏江佳机械有限公司 高速优选截断精刨生产线
CN111014069A (zh) * 2019-12-20 2020-04-17 南宁市东营美志木业有限公司 一种桉木梯队筛选系统
CN111014069B (zh) * 2019-12-20 2022-03-18 南宁市东营美志木业有限公司 一种桉木梯队筛选系统
CN111014068A (zh) * 2019-12-20 2020-04-17 南宁市东营美志木业有限公司 一种桉木梯队筛选方法
DE102021108373A1 (de) 2020-04-07 2021-10-07 Roland Köhler Doppelsäge zum Zersägen von langgestrecktem Sägegut
DE102021108373B4 (de) 2020-04-07 2024-01-11 Roland Köhler Doppelsäge zum Zersägen von langgestrecktem Sägegut
CN112809838A (zh) * 2021-01-13 2021-05-18 邓红梅 一种家具生产用木板切割设备

Also Published As

Publication number Publication date
ATE231055T1 (de) 2003-02-15
EP0956932A3 (fr) 2000-06-14
DE59904013D1 (de) 2003-02-20
DE19821556A1 (de) 1999-11-18
EP0956932B1 (fr) 2003-01-15

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