EP2578370B1 - Dispositif de coupe pour la répartition d'au moins une pièce à usiner - Google Patents

Dispositif de coupe pour la répartition d'au moins une pièce à usiner Download PDF

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Publication number
EP2578370B1
EP2578370B1 EP11008003.3A EP11008003A EP2578370B1 EP 2578370 B1 EP2578370 B1 EP 2578370B1 EP 11008003 A EP11008003 A EP 11008003A EP 2578370 B1 EP2578370 B1 EP 2578370B1
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EP
European Patent Office
Prior art keywords
workpiece
sawing
stop
conveying means
transport
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
EP11008003.3A
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German (de)
English (en)
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EP2578370A1 (fr
Inventor
Peter Justen
Alexander Walch
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.)
IMA Schelling Austria GmbH
Original Assignee
Schelling Anlagenbau GmbH
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Publication date
Application filed by Schelling Anlagenbau GmbH filed Critical Schelling Anlagenbau GmbH
Priority to EP11008003.3A priority Critical patent/EP2578370B1/fr
Publication of EP2578370A1 publication Critical patent/EP2578370A1/fr
Application granted granted Critical
Publication of EP2578370B1 publication Critical patent/EP2578370B1/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
    • B27B27/00—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon
    • B27B27/02—Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon arranged laterally and parallel with respect to the plane of the saw blade
    • 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

Definitions

  • the invention relates to a sawing device for splitting at least one workpiece, in particular a plate or a plate stack, with at least one sawing unit movable along a saw line for sawing the workpiece along the saw line and with at least one workpiece conveyor for transporting the workpiece to be sawn in one, transversely or orthogonally to the saw line extending transport direction towards the saw line and with at least one, viewed in the direction of transport, behind the saw line stop, said stop, seen in the transport direction, a distance from the saw line of less than 10 cm, preferably less than 1 cm.
  • raw formats are cut into final formats by means of sequential longitudinal and cross sections.
  • the number of identical parts in the final formats is steadily decreasing due to the increasing individualization of the products.
  • the trend is towards lot size one, which means that each end size can have a different size.
  • this shifts the main requirement of previously required sawing the highest possible plate packs with high drive power on the saw blade towards very fast processes, in which individual plates are often cut. Not only the actual cutting with very high speed, but also the automated feeding and discharging of the workpieces have to be done quickly.
  • the sawing devices of the prior art used for this purpose are often also referred to as panel splitter.
  • a plant for semi-automatic operation is from the AT 361 698 known.
  • workpieces are automatically fed for carrying out longitudinal cuts of the saw, removed manually, swiveled by 90 ° and guided against a stop for transverse division of the saw.
  • the sawing operations for the transverse division are then carried out together with the automated longitudinal sections.
  • there are also fully automatic processes whose performance compared to the semi-automatic process could be significantly increased.
  • the capacity of a panel sizing unit is understood to mean the number of average cuts or sawing operations per unit of time. Not only the pure cutting times, but also the times for material handling and waste disposal are included.
  • the aim is to further increase the performance of a generic sawing device.
  • the traditional approach would be to increase the speed of each process.
  • areas have been reached from which further increases are only possible in combination with high costs, so that in total there is no economic benefit.
  • the FR 2 530 996 A1 discloses a generic sawing device, in which a stop can be moved up to the immediate vicinity of the saw line.
  • the invention is therefore based on the object to further optimize a sawing device of the above type for carrying out a faster and more economical sawing process.
  • the sawing device has at least one further conveying device for transporting the workpiece to be sawn in the direction of transport to the sawing line.
  • the sawing device has at least one further conveying device for transporting the workpiece to be sawn in the direction of transport to the sawing line.
  • This makes it possible that the workpiece is already transported by the workpiece conveyor to the stop, while the further conveyor, after it has released the previously sawn workpiece, still retracts. This results in a particularly large temporal savings potential or a particularly effective acceleration of the overall process.
  • the workpiece conveyor can already transport the next workpiece to be sawn closer to the saw line.
  • the workpiece conveying device can be designed, for example, as a driven roller conveyor.
  • One of the conveying devices in particular the further conveying device, preferably has grippers and / or clamping devices for gripping a workpiece. It is also particularly favorable if the further conveying device, preferably together with grippers or clamping devices, can be moved over via a workpiece still to be sawed, arranged in the transporting direction. For this purpose, it may be advantageous if the grippers can be raised and lowered and / or the further conveyor is designed as a slide-in cart.
  • the workpiece conveying device and the further conveying device are arranged on the same side with respect to the sawing line.
  • the - seen in the direction of transport - behind the saw line located side may be provided for the removal of the final formats and the waste pieces.
  • at least one Ausziehwagen with suction pads, roller conveyors and the like and / or downwardly pivotable waste flaps are used.
  • the workpiece to be sawn can be approached by the workpiece conveyor to the stop so that it rests flush against the stop and a clearly defined, reproducible on other workpieces feasible trimming can be performed.
  • two or more workpieces can also be split by the sawing device according to the invention parallel to one another, ie at the same time.
  • the sawing device according to the invention parallel to one another, ie at the same time.
  • the workpieces to be split up or simultaneously can each be plates or slab stacks.
  • the sawing device also has a machine table with a preferably horizontally oriented support for placing the workpiece thereon.
  • the saw line can then be predetermined, for example, in the bearing surface of the machine table in the form of a, preferably vertical, gap or slot.
  • a sawing surface instead of a sawing line.
  • the sawing surface and sawing line are not to be understood in the strict mathematical sense but to the extent that they also have a certain thickness or width. It is favorable in any case when the saw line extends linearly or in other words is straight, in which case the sawing surface can also be referred to as a sawing plane.
  • the saw unit is movable in height, ie vertically in the saw surface or plane.
  • the saw unit may be mounted on a traveling saw carriage and having a driven by a motor saw blade, such as a circular saw. Also advantageous is a design as a so-called under counter circular saw, the saw carriage and the motor are movable under the support plane of the machine table and the saw blade for the sawing process on the support surface of the machine table is raised and then lowered.
  • the workpiece conveying device is provided for transporting the respective workpiece to be sawn to the cutting position above the sawing line.
  • the transport takes place in a transport direction transversely or orthogonal to the saw line.
  • the transport direction can thus theoretically form all angles with the exception of 0 °, 180 ° and their multiples with the saw line.
  • an angle in the range of 60 ° to 120 ° wherein it is particularly preferred to transport the workpieces to be sawed in a transport direction at 90 ° angle so orthogonal to the saw line to the cutting position on the saw line.
  • the transport direction is the direction in which the workpieces are transported from the workpiece conveyor to the saw line. It should be noted that the workpieces are transported in the transport direction on the saw line and then away in the transport direction of the saw line on.
  • the sawing device has a pressure beam, preferably arranged in the region of the sawing line, for fixing the workpiece during the sawing of the workpiece.
  • the workpiece can be fixed by means of the pressure bar e.g. pressed against the support surface of the machine table and thereby fixed on the saw line and held during the cut.
  • the stop is integrated in a particular embodiment of the invention in the machine table. It can favorably between at least one working position above the support surface of the machine table and at least one rest position, preferably vertically, to be adjusted. In the working position he fulfills his task as a stop. In the rest position, the stop is arranged so that the workpiece in the transport direction can be transported past him, without hitting the stop. In the rest position, the stop can be arranged, for example, below the support surface of the machine table. In another embodiment, the stop is attached to the pressure beam or other component above the saw line. So this stop moves from its rest position above the working position down to the bearing surface of the machine table in its working position. In principle, of course, a plurality of attacks or Beklandelangen be provided. It is also particularly advantageous if the stop or the stops are not only vertically, but also horizontally, in the transport direction, adjustable, so that also trimming cuts of different width can be performed.
  • the invention also relates to a method for operating a sawing device according to the invention, in which the workpiece with the workpiece conveying device for carrying out a trimming cut is transported up to the stop.
  • the workpiece is held for further division following the trimming cut by a further conveying device and / or transported further in the transporting direction.
  • stop is moved during the trimming cut or immediately thereafter into a rest position in which the workpiece is transported past in the transport direction on the stop.
  • Preferred variants of the method provide that, following the trimming cut, the workpiece is held by the further conveyor until after the last sawing operation to be performed on this workpiece has been carried out.
  • the last sawing process to be performed on this workpiece means the cut that takes place during the alternate transport of the workpiece in the transport direction and sawing along the saw line is last performed on the workpiece. It is not about the further splitting of the parts or blanks of the workpiece in subsequent sawing operations which have arisen during this sequence of transport and sawing processes.
  • Preferred embodiments of the method can also provide that immediately after the last sawing operation has been carried out on the workpiece, a next workpiece to be sawn is transported to the stop for carrying out the trimming cut with the workpiece conveyor.
  • the further conveyor is moved to an opposite end of the stop, preferably next, workpiece.
  • the further conveying device then grips the workpiece at this end by means of grippers.
  • Fig. 1 shows a side view of a preferred embodiment of a sawing device 1 according to the invention with a saw unit 4, a pressure bar 15, an already partially divided and placed on the support surface 12 of a machine table 11 workpiece 2a, equipped with rollers 9 workpiece conveyor 5 and a further conveyor 8, in the in Fig. 1 shown operating state with a gripper or a plurality of grippers 10, the workpiece 2a transported in the transport direction 6 to the saw line 3.
  • Fig. 1 shown operating state is shown as the workpiece 2a is being split and the workpiece 2b is for deployment following the workpiece 2a in provision.
  • the further conveyor 8 permanently holds the workpiece 2a with its grippers 10 and transports it after completion of a sawing operation in the transport direction 6 until the area of the workpiece 2a comes to lie above the cutting line 3, in which the next sawing process is performed should.
  • the roles of the workpiece conveyor 5 are conveniently in this operating condition freewheeling.
  • the workpiece 2a is thus preferably transported exclusively by the further conveyor 8 in this operating state.
  • the pressure bar 15 is lowered and thus pressed the workpiece 2a on the support surface 2a and thus fixed for the sawing process. After completion of the respective sawing process, the pressure bar 15 is raised again and the further transport of the workpiece 2a can take place by means of the further conveyor 8.
  • This process is repeated, preferably controlled according to a predefinable cutting plan, until the last sawing process to be carried out on this workpiece 2a is carried out.
  • the stop 7 is moved back to its rest position 14 in this operating state, in which the workpiece 2a and the part workpieces or blanks 2 produced by sawing can be passed to him without collision.
  • waste 27th may fall through the small waste flap 17 and / or the large waste flap 23 on the waste conveyor 18. The removal of the blanks 22 is then carried out by means of the conveyor 24th
  • a blank 22 and a waste 27 are produced.
  • the further conveying device 8 with its grippers 10 can already let go of the workpiece 2a during this last sawing operation to be performed on this workpiece 2a, since it is fixed by the lowered pressure bar 15 during the sawing process.
  • the waste 27 is located after completion of this last sawing process on the workpiece 2a and after lifting the pressure bar 15, seen in the transport direction 6, with respect to the saw line 3, on the side of the workpiece conveyor 5. Since the waste 27 is kept as small as possible in the interest of optimal material utilization, he can not be taken in any case from the Ausziehwagen 19 by means of the vacuum suction 21.
  • next workpiece 2b to be sawn is now moved by the workpiece conveyor 5 against the stop 7 brought into the working position 13 and is thus positioned particularly quickly and precisely in the form of a trimming cut for the first cutting or sawing operation to be carried out.
  • the further conveyor 8 can already be moved against the transport direction 6 back to the stop 7 opposite end of the workpiece 2b to grasp it there by means of its grippers 10, which leads to a further time saving.
  • Fig. 2 is a situation shown in which the workpiece 2b already abuts against the stop 7 and the further conveyor 8 is moved back against the transport direction 6. During this retraction, the grippers 10 must be raised above the workpiece 2b to ensure a collision and frictionless travel over the workpiece 2b. After the grippers 10 of the further conveyor 8 have gripped the workpiece 2b at its end facing away from the stop 7 and the trimming cut is completed, the pressure bar 15 raised, the stopper 7 brought into its rest position 14 and the further division of the workpiece 2b, preferably one Following cutting plan, as described above with respect to the workpiece 2a, performed.
  • the workpiece 2b is then again transported between the individual sawing operations of the further conveyor 8 in the transport direction 6 and permanently held during the entire further division process by means of the gripper 10 to the workpiece 2b for performing the last sawing on the workpiece 2b by the pressure bar 15 is fixed.
  • the workpiece conveyor 5 is deactivated or switched to freewheel during this further splitting operation, the stop 7 is in its rest position 14, so that the workpiece 2b can be driven past him collision-free.
  • Fig. 3 shows a plan view of the sawing device 1 in in Fig. 1 described operating state.
  • a sawing process along the sawing line 3 is currently being carried out on the workpiece 2a, the workpiece 2a being pressed by the pressure bar 15 onto the bearing surface 12 of the machine table 11 and additionally being held here by the further conveying device 8 with a plurality of grippers 10.
  • the next workpiece 2b to be sawn is held ready by the workpiece conveyor 5.
  • Fig. 4 is a detailed side view in the saw line 3 shown.
  • a workpiece 2 to be sawn was moved on the support surface 12 of a machine table 11 in the transport direction 6 against a stop 7 located in the working position 13.
  • the pressure bar 15 is still raised, the saw unit 4 is designed as a "sub-circular saw".
  • the stop 7 can from the lifting cylinder 26 by vertical adjustment of its rest position 14 in its working position 13 and back be moved and is integrated into the support surface 12 and in the machine table 11. In his rest position 14, not shown here, he can completely submerge in the machine table 11 or under the support surface 12 of the machine table 11 and a collision with a workpiece 2 or other components can be excluded.
  • the lifting cylinder 26 may for example be realized pneumatically, electrically, hydraulically or otherwise.
  • the stop 7 has, in any case, viewed in the direction of transport 6, the distance 16 from the sawing line 3.
  • Fig. 5 shows the same detail view as Fig. 4
  • the stopper 7 is formed alternatively. It may for example be mounted next to or on the pressure bar 15 and from its rest position 14 above the support surface 12 of the machine table 11, for example, at the level of the raised pressure bar 15, to the working position 13 shown here with the same function as the integrated in the machine table stop 7 Fig. 4 be driven, the drive again preferably takes place with a lifting cylinder 26.
  • FIG 6 and 7 show a further alternative embodiment, as the stopper 7 may be formed.
  • This alternative embodiment can otherwise be integrated into the already described sawing device 1, just as the further alternative embodiment described further below according to FIG 8 and 9 ,
  • the stop 7 is integrated in the pressure bar 15. It is favorable for this purpose if, as in the embodiment shown in accordance with the 6 and 7 the pressure beam 15 for this purpose has two independently lowerable leg 28. One of the legs 28 can, as in 6 and 7 represented, then used as a stop 7. In Fig. 6 Both legs 28 of the pressure bar 15 are lifted from the support surface 12. The stop 7 is thereby in its rest position 14. To use this pressure bar 15 as a pressure bar to press workpieces 2a or 2b on the support surface 12, both legs 28 are lowered together. Fig. 7 shows the situation when the so thoroughlybil finished pressure bar 15 not as a pressure bar itself, but should be used as a stop 7.
  • the embodiment according to the 8 and 9 shows an alternative embodiment, as the stop 7 can be integrated directly into the machine table 11, so that it protrudes in its rest position 14 neither above nor below from the machine table 11.
  • the stop 7 is formed as part of a toggle lever 30.
  • the toggle lever 30 is actuated by the thrust cylinder 29 in the illustrated embodiment.
  • Fig. 8 shows the rest position 14 of the stopper in which the workpiece 2a and 2b can be moved without collision on the stopper 7.
  • Fig. 9 shows the working position 13, in which the workpiece 2 a and 2 b strikes against the stop 7 during transport in the transport direction 6.
  • the stop 7 can be brought via the toggle lever 30 in its working position 13 but also in its rest position 14.
  • the stopper 7 is designed as a kind of pivotable lever, specifically here as part of a pivotable bell crank.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)

Claims (13)

  1. Dispositif de sciage (1) servant à diviser au moins une pièce (2a, 2b), en particulier un panneau ou une pile de panneaux, avec au moins un ensemble de sciage (4) pouvant être déplacé le long d'une ligne de sciage (3), servant à découper par sciage la pièce (2a, 2b) le long de la ligne de sciage (3) et avec au moins un dispositif de convoyage de pièce (5) servant au transport de la pièce (2a, 2b) à découper par sciage dans une direction de transport (6) s'étendant de manière transversale ou orthogonale par rapport à la ligne de sciage (3) en direction de la ligne de sciage (3) et avec au moins une butée (7) disposée, dans une vue dans la direction de transport (6), derrière la ligne de sciage (3), dans lequel la butée (7) présente, dans une vue dans la direction de transport (6), une distance (16) par rapport à la ligne de sciage (3) inférieure à 10 cm, de préférence inférieure à 1 cm, caractérisé en ce que le dispositif de sciage (1) présente au moins un autre dispositif de convoyage (8) servant au transport de la pièce (2a, 2b) à découper par sciage dans la direction de transport (6) vers la ligne de sciage (3).
  2. Dispositif de sciage (1) selon la revendication 1, caractérisé en ce que le dispositif de convoyage de pièce (5) et l'autre dispositif de convoyage (8) sont disposés, vus dans la direction de transport (6), sur le même côté par rapport à la ligne de sciage (3).
  3. Dispositif de sciage (1) selon la revendication 1 ou 2, caractérisé en ce qu'au moins un des dispositifs de convoyage, de manière préférée le dispositif de convoyage de pièce (5), présente de préférence des rouleaux (9) entraînés au moins en partie en tant que supports pour la pièce (2a, 2b).
  4. Dispositif de sciage (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un des dispositifs de convoyage, de manière préférée l'autre dispositif de convoyage (8), présente des grappins (10) servant à saisir la pièce (2a, 2b).
  5. Dispositif de sciage (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le dispositif de sciage (1) présente un plateau de machine (11) et le plateau de machine (11) présente une surface de support (12) de préférence horizontale servant au support de la pièce (2a, 2b) sur le plateau de machine (11), et la butée (7) est réalisée de manière à pouvoir être ajustée de préférence de manière verticale, entre au moins une position de travail (13) au-dessus de la surface de support (12) du plateau de machine (11) et au moins une position de repos (14), de préférence au-dessus de la position de travail (13) ou en dessous de la surface de support (12) du plateau de machine (11).
  6. Dispositif de sciage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif de sciage (1) présente une barre de pression (15) servant à bloquer la pièce (2a, 2b) pendant le découpage par sciage de la pièce (2a, 2b), dans lequel il est prévu de préférence que la butée (7) soit fixée au niveau de la barre de pression (15).
  7. Dispositif de sciage (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la distance (16) entre la butée (7) et la ligne de sciage (3) peut être ajustée dans la direction de transport (6).
  8. Procédé servant à faire fonctionner un dispositif de sciage (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la pièce (2a, 2b) est transportée avec le dispositif de convoyage de pièce (5) et rapprochée de la butée (7) pour réaliser une coupe de délignage.
  9. Procédé selon la revendication 8, caractérisé en ce que la pièce (2a, 2b) est maintenue par l'autre dispositif de convoyage (8) pour la division ultérieure immédiatement après la coupe de délignage et/ou continue à être transportée dans la direction de transport (6).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que la butée (7) est déplacée pendant la coupe de délignage ou directement après dans une position de repos (14), dans laquelle la pièce (2a, 2b) est transportée le long de la butée (7) dans la direction de transport (6).
  11. Procédé selon la revendication 9 ou 10, caractérisé en ce que la pièce (2a, 2b) est maintenue à la suite de la coupe de délignage par l'autre dispositif de convoyage (8) jusqu'à réaliser la dernière opération de sciage à réaliser sur ladite pièce (2a, 2b).
  12. Procédé selon l'une quelconque des revendications 8 à 11, caractérisé en ce que directement après la réalisation d'une dernière opération de sciage sur la pièce (2a), une pièce (2b) à découper par sciage qui suit est transportée avec le dispositif de convoyage de pièce (5) et rapprochée de la butée (7) pour réaliser la coupe de délignage.
  13. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que pendant le transport de la pièce (2a, 2b) de préférence qui suit et son rapprochement de la butée (7) au moyen du dispositif de convoyage de pièce (5), l'autre dispositif de convoyage de pièce (8) est déplacé au niveau d'une extrémité, opposée à la butée (7), de la pièce (2a, 2b) de préférence qui suit.
EP11008003.3A 2011-10-03 2011-10-03 Dispositif de coupe pour la répartition d'au moins une pièce à usiner Active EP2578370B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11008003.3A EP2578370B1 (fr) 2011-10-03 2011-10-03 Dispositif de coupe pour la répartition d'au moins une pièce à usiner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11008003.3A EP2578370B1 (fr) 2011-10-03 2011-10-03 Dispositif de coupe pour la répartition d'au moins une pièce à usiner

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EP2578370A1 EP2578370A1 (fr) 2013-04-10
EP2578370B1 true EP2578370B1 (fr) 2018-10-24

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4353432A1 (fr) 2022-10-12 2024-04-17 IMA Schelling Austria GmbH Installation de division de plaques

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329181A (en) * 1965-01-08 1967-07-04 Broyhill Furniture Factories Apparatus and method for cutting assorted lengths from material having irregular and random defects
AT361698B (de) 1979-04-05 1981-03-25 Schelling & Co Plattenbesaeum- und aufteilsaege
FR2530996B1 (fr) * 1982-07-28 1986-12-12 Basso Dominique Procede et dispositif pour la decoupe automatique d'une piece de bois
DE19607238A1 (de) * 1995-04-04 1996-10-10 Ant Panhans Werkzeug Masch Bearbeitungsvorrichtung für plattenförmige Werkstücke, insbesondere Plattenaufteilsäge
AT508038B1 (de) * 2009-04-02 2012-01-15 Schelling Anlagenbau Gmbh Sägemaschine

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