EP3713727B1 - Procédé de traitement de pièces en forme de plaque - Google Patents

Procédé de traitement de pièces en forme de plaque Download PDF

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Publication number
EP3713727B1
EP3713727B1 EP19829411.8A EP19829411A EP3713727B1 EP 3713727 B1 EP3713727 B1 EP 3713727B1 EP 19829411 A EP19829411 A EP 19829411A EP 3713727 B1 EP3713727 B1 EP 3713727B1
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EP
European Patent Office
Prior art keywords
workpiece
separating
plate
processing
station
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
EP19829411.8A
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German (de)
English (en)
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EP3713727A1 (fr
Inventor
Ralf Schürmann
Michael Schmöe
Thorsten Kühl
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 Deutschland GmbH
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IMA Schelling Deutschland GmbH
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Publication of EP3713727A1 publication Critical patent/EP3713727A1/fr
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Classifications

    • 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
    • B27B29/00—Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines; Travelling trunk or log carriages
    • 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
    • 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
    • B27B5/02—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only
    • B27B5/06—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor characterised by a special purpose only for dividing plates in parts of determined size, e.g. panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C9/00—Multi-purpose machines; Universal machines; Equipment therefor

Definitions

  • the invention relates to a method for processing plate-shaped workpieces according to the preamble of claim 1, such as. e.g WO 2018/104532 A1 or AT 402 193 B known.
  • AT 500 768 A1 discloses a processing machine with various units for sawing, milling or drilling. The workpieces are aligned using stops and the processing machines are positioned accordingly.
  • panel-shaped workpieces are usually provided as a large-format panel at the start of production.
  • the large-format panel mentioned is to be separated in a separation station according to a cutting plan.
  • the separated panels are then ejected from the separation station and handed over to downstream processing units.
  • DE 10 2008 032 160 A1 discloses a method for dividing panels, in which markings are introduced, a separating cut is made and the separated workpieces are output for further separation, where they are rotated by 90° by hand and returned to the machine for further cutting. There they are aligned, finally cut and output again, where they are stored manually.
  • DE 10 2014 204 695 A1 discloses an image detection method for a separating/processing machine, the image detection detecting the size and the processing status and issuing stacking instructions for manual stacking for further processing.
  • DE 10 2016 203 674 A1 discloses a workpiece detection system that provides the operator with further processing instructions.
  • this step takes time, which reduces the process speed, since the time it takes a workpiece to travel from being cut out of the large-format panel to being picked in a corresponding wood processing plant is decisive for the process speed.
  • the invention is therefore based on the object of specifying a method for processing plate-shaped workpieces with the aid of which the disadvantages described above can be minimized, in particular the process speed is increased and the production of batch size 1 is promoted by improving the material flow.
  • step b. of the separating unit at least part of each separated workpiece has an alignment section for engaging gripping elements and/or introducing reference bores, with the workpiece provided with the alignment section being taken over after it has been separated by means of a gripping element, engagement element or gripping element acting on the alignment section.
  • Panel-shaped workpieces within the meaning of this invention can be workpieces made of wood or wood substitutes, but also lightweight panels, plasterboard, fiber cement panels or generally panels made of other materials, as well as panels that can be used in particular for automobile construction or generally for use as building elements for other constructions.
  • the basic idea of the invention is to ensure during the separating process that the workpiece later separated from the large-format panel already receives a reference for aligning the workpiece in the subsequent process.
  • the workpieces provided with the alignment section are taken over by a gripping element acting on the alignment section after they have been separated.
  • the gripping element undertakes the alignment of the workpiece, gripping the alignment section in a form-fitting manner and checking the workpiece, and transporting it further in an aligned manner to the at least one downstream processing station.
  • a step or partial step for aligning the workpiece is already carried out during the separation process, it no longer needs to be carried out in the downstream processing unit, which significantly reduces the process time and can contribute to a significant acceleration of the process, especially with batch size 1.
  • the gripping element, engagement element or grasping element has a centering or aligning element.
  • This is preferably a mandrel or pin.
  • the gripping element comprises a gripper that engages the alignment section.
  • the gripping element is equipped with centering or alignment elements that engage in the corresponding reference bores. Knowing the position and orientation of the gripping elements, the position and orientation of the workpieces can be calculated. This type of alignment can be used in addition to gripping the workpieces or even as the sole alignment device. Alignment is easy and precise with clearly defined reference points.
  • the process time can be shortened even further if further method steps in the production of a finished part are already carried out in the separating process.
  • the separating unit carries out at least one finish cut, the alignment section being provided on a part of the respective separated workpiece that is free of finish cuts.
  • several finishing cuts can also be provided, depending on the geometry of the separated part that is to have later.
  • separating units are designed to perform additional processing steps on the workpiece, in particular rebates, grooves, bores and/or, in addition to separating it To introduce recesses in the workpiece. In this way, processing steps that normally have to be carried out by downstream processing stations can be moved forward to the separating station.
  • the at least one separating unit of the separating station preferably comprises at least one milling unit and/or one sawing unit. As indicated above, other units can also be provided in the separating station.
  • the separating station preferably comprises a processing table, the separating unit being mounted on it so that it can be displaced in a first direction, in particular on a portal.
  • a portal does not necessarily have to be used; the corresponding displacement devices can also be movably mounted, for example, below the processing table surface.
  • the large-format panel can be divided by a combination of the movement of the separating unit and the panel itself.
  • a plate-shaped workpiece is cut out of the large-format plate by bringing the separating unit into engagement with the large-format plate and moving the large-format plate in the first direction and/or the separating unit in the second direction.
  • downstream processing stations can therefore carry out very different activities.
  • a machining center and/or a through-feed machine and/or a drill is used as at least one downstream processing station.
  • step b. waste produced in the area of the finished cuts before or during step c. is discarded. This already allows, in particular, disruptive offcuts to be disposed of prior to the transfer to a processing station downstream of the separation station, thereby minimizing the amount of material flow.
  • the alignment section can have one of the following in step b. isolated plate-shaped workpiece are used in the further processing for aligning the workpiece in question.
  • the aligning section is no longer required, for example if the workpiece is correspondingly aligned during finish machining in a processing station downstream of the separating station, it can preferably be provided that the aligning section in or after step c. is removed by a finishing cut or at least by a separating cut. According to a preferred embodiment of the present invention, it is provided that the alignment section is removed in the at least one downstream processing station, in particular in the last processing step.
  • figure 1 an overview of a possible device is shown, with the help of which the method according to the invention can be carried out. Many other devices are also conceivable.
  • a separating station 1 which causes the separation of large-format panels 4 into individual, separated workpieces 5, and, on the other hand, that there is at least one processing station 16, 2, 3 downstream of the separating station 1, at which the separated Workpiece 5 is traded in any form or otherwise processed.
  • the panel-shaped workpieces within the meaning of the invention are preferably those made of wood or wood substitutes.
  • the separating station 1 has a portal 10 on which a processing unit 11 is arranged such that it can be displaced back and forth in direction X (direction of arrow P3).
  • the portal 10 itself can be displaced perpendicularly to its direction of extension in direction Y (arrow P2).
  • the processing unit 11 does not necessarily have to be attached to a portal 10; it can also be arranged in a different way on the separating station 1 so that it can be moved relative to the storage table 12 of the separating station 1.
  • the large-format panel 4 is preferably pushed in the direction of the arrow P1 (parallel to the Y direction) onto the storage surface of the storage table 12 and from there, with respect to the Y direction, acts on the transverse side of the large-format panel 4 Grippers 13 and/or grippers 14 gripping the long side of the large-format panel 4 with respect to the Y direction and fix it.
  • the grippers 13, 14 are preferably displaceable in the Y direction.
  • the processing unit 11 which can be a milling cutter or saw or another processing unit, performs cuts, among other things, with which a workpiece 5 is separated from the large-format panel. In the example shown, this happens at A ( Figure 3A ).
  • an alignment section can be, for example, a material overhang 5a which, unlike, for example, finish cuts 5b, in which the separated workpiece 5 already has the final format, still has to be separated from the separated workpiece 5 in a later method step.
  • aligning sections 5c are introduced into the workpiece 5 in the region of the separating station during the separating process.
  • the aligning sections 5c are indentations made by drilling, in which, for example, corresponding centering or aligning elements of the gripping devices that accept the separated workpiece 5 engage.
  • such depressions are not rotationally symmetrical, so that a more or less form-fitting engagement of the named gripping devices in the workpiece 5 taken over and the gripping device of this with a defined reference position.
  • the machine control then knows how precisely the workpiece 5 is aligned in the machine.
  • any shape (rectangle in Figure 2C or oval in Figure 2D ) after separation in the separation station for further processing steps to subsequent processing units.
  • a corresponding first handover is, for example, in Section B of figure 1 and the associated Figure 3B shown.
  • the workpiece that has already been separated is picked up, for example, by a rotating device 16 and rotated by 90° and then transferred to the grippers 15, which can preferably be displaced in the Y direction and take over the workpiece at the corresponding alignment section and, if necessary, transport it through the further device.
  • the machine control knows exactly in which orientation the workpiece 5 lies in the machine and can run the further machining program based on this.
  • a robot can also be used in the corresponding device at this point (B), which on the one hand rotates the workpiece into a certain position and on the other hand can grip the workpiece 5 accordingly at the alignment section 5a or 5b.
  • a rotation is of course optional.
  • the subsequent processing steps can be combined with one another as desired, or individual processing steps can be omitted.
  • milling or drilling with a corresponding unit 17 can be carried out, the above-mentioned grippers 15 being able to be used to grip the workpiece 5 during this machining step to hold on. This can also be accomplished by a robot traveling along in the Y direction.
  • the workpiece 5 can be placed, for example, on a vacuum table 19 or in a buffer and optionally taken over by another group of grippers or clamps that can be moved in the Y direction. Simultaneously or additionally, the workpiece 5 can be transferred to the transport system or a protection system of the subsequent processing station at this point.
  • F Figure 3F
  • another processing unit such as a tool changer or a row drill head 26 or a gluing unit can be provided, which performs processing steps on the workpiece 5.
  • the workpiece 5 at station E ( figure 3 ) are held by corresponding grippers or clamps 23, 24 and/or are moved in direction Y, in which case post-processing can be carried out here, for example from the upper side of the workpiece 5.
  • station G Another optional station is station G ( Figure 3G ).
  • a gluing unit 21 fed by an edge magazine 22 or an attachment unit can be arranged, which is designed for attaching edge bands to the narrow side of the workpiece 5 .
  • it can be attached to three narrow sides of the workpiece, namely anywhere where the workpiece 5 is not held.
  • the alignment section 5a can then be removed and the workpiece can be finished at the end for transport away.
  • a saw or milling machine can be provided at this point for this purpose.
  • stations two and three can contain or be designed as both through-feed machines and machining centers.
  • Processing processes can be optimized with the arrangement according to the invention, because auxiliary measures for later alignment and referencing of the workpiece 5 isolated from the large-format plate 4 are carried out before the actual processing, so that corresponding set-up times during the actual workpiece processing can be avoided

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling And Boring (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Adornments (AREA)

Claims (14)

  1. Procédé de traitement de pièces en forme de plaque (4, 5), en particulier en bois ou en matériaux de substitution du bois, comprenant les étapes suivantes consistant à:
    a. fournir une plaque de grande taille (4), en particulier en bois ou en matériaux de substitution du bois, et amener (P1) la plaque de grande taille (4) vers un poste de séparation (1),
    b. séparer des pièces en forme de plaque (5) par division de la plaque de grande taille fournie (4) dans le poste de séparation (1) en y réalisant de découpes dans la plaque de grande taille (4) par au moins une unité de séparation (11),
    c. amener les pièces ainsi séparées (5) vers au moins un poste de traitement en aval (2, 3), afin d'achever la pièce en forme de plaque (5), dans lequel, en étape b., au moins une partie de chaque pièce séparée reçoit de l'unité de séparation (1) une section d'alignement (5a), destinée à la saisie par des éléments de saisie (14, 15) et/ou à l'introduction d'alésages de référence, dans lequel la pièce (5), munie de la section d'alignement (5a), est transférée, après sa séparation, au moyen d'un élément de saisie (14, 15), d'un élément de mise en prise ou d'un élément de collecte saisissant, de préférence, à engagement positif, la section d'alignement (5a),
    caractérisé en ce que
    l'élément de saisie, l'élément de mise en prise ou l'élément de collecte présente un élément de centrage ou un élément d'alignement, de préférence, un mandrin ou une tige, dans lequel, dans l'étape b., ou avant ou après, un alésage de référence est introduit dans la section d'alignement (5a), dans laquelle s'engage ensuite l'élément de centrage ou l'élément d'alignement.
  2. Procédé selon la revendication 1,
    caractérisé en ce
    que l'élément de saisie (14, 15), l'élément de mise en prise ou l'élément de collecte comporte une pince saisissant à la section d'alignement (5a).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    dans l'étape b. au moins une coupe finale (5b) est effectuée par l'unité de séparation (11), dans lequel la section d'alignement (5a) est prévue sur une partie de la pièce séparée respective sans coupe finale.
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'unité de séparation (11) est configurée pour introduire dans la pièce des étapes de traitement supplémentaire, surtout des pliages, des rainures, des alésages et / ou des évidements, en plus de la séparation de la pièce.
  5. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'au moins une l'unité de séparation (11) comporte au moins une unité de fraisage et / ou une unité de sciage.
  6. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le poste de séparation (1) comporte une table de traitement (12), dans lequel l'unité de séparation (11) est montée de manière coulissante sur celle-ci dans une première direction (X, Y), surtout sur un portique (10).
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    l'au moins une l'unité de séparation (11) est déplaçable dans une seconde direction (X), s'étendant surtout perpendiculaire à la première direction (Y).
  8. Procédé selon la revendication 6 ou 7,
    caractérisé en ce que
    la séparation d'une pièce en forme de plaque (5) de la plaque de grande taille est effectuée en mettant l'unité de séparation (11) en prise avec la plaque de grande taille (4), et la plaque de grande taille (4) est déplacée dans la première direction (Y) et / ou l'unité de séparation (11) est déplacée dans la seconde direction (X).
  9. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    au moins une des opérations de traitement suivantes est réalisée sur l'au moins un poste de traitement en aval (2, 3) :
    i) Prise et alignement d'une pièce séparée (5) sur la section d'alignement (5a)
    ii) Revêtement d'un petit côté de la pièce en forme de plaque (5) avec une bordure,
    iii) Réalisation d'une coupe finale sur un petit côté de la pièce en forme de plaque (5) dont la mise en forme n'est pas encore terminée,
    iv) Perçage de l'au moins un trou dans la pièce en forme de plaque (5)
    v) Finition de la pièce dotée d'une bordure.
  10. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    un centre de traitement et / ou une machine de traitement en continu et / ou une machine à percer est utilisée en tant qu'au moins un poste de traitement en aval (2, 3).
  11. Procédé selon l'une quelconque des revendications précédentes, dans la mesure où elle dépend de la revendication 2,
    caractérisé en ce que,
    en étape b., des rognures se produisant dans la zones des coupes finales (5b) sont éliminées avant ou pendant l'étape c.
  12. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la section d'alignement (5a) d'une pièce en forme de plaque (5) séparée dans l'étape b. est utilisée dans la suite du procédé de traitement pour aligner la pièce (5) respective.
  13. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la section d'alignement (5a) est éliminée dans l'étape c. ou après l'étape c. par une coupe finale ou une coupe de séparation.
  14. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la section d'alignement (5a) est éliminée dans l'au moins un poste de traitement en aval (2, 3), surtout dans la dernière étape de traitement.
EP19829411.8A 2018-12-10 2019-12-09 Procédé de traitement de pièces en forme de plaque Active EP3713727B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018131527.9A DE102018131527A1 (de) 2018-12-10 2018-12-10 Verfahren zum Verarbeiten plattenförmiger Werkstücke
PCT/EP2019/084120 WO2020120352A1 (fr) 2018-12-10 2019-12-09 Procédé de traitement de pièces en forme de plaque

Publications (2)

Publication Number Publication Date
EP3713727A1 EP3713727A1 (fr) 2020-09-30
EP3713727B1 true EP3713727B1 (fr) 2022-06-15

Family

ID=69063684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19829411.8A Active EP3713727B1 (fr) 2018-12-10 2019-12-09 Procédé de traitement de pièces en forme de plaque

Country Status (8)

Country Link
US (1) US11794373B2 (fr)
EP (1) EP3713727B1 (fr)
BR (1) BR112021007528A2 (fr)
DE (1) DE102018131527A1 (fr)
DK (1) DK3713727T3 (fr)
ES (1) ES2924717T3 (fr)
PL (1) PL3713727T3 (fr)
WO (1) WO2020120352A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020115230B4 (de) 2020-06-09 2024-06-13 Ima Schelling Deutschland Gmbh Verfahren zum Verarbeiten plattenförmiger Werkstücke
DE102022102519A1 (de) * 2022-02-03 2023-08-03 Ima Schelling Deutschland Gmbh Vorrichtung zur Bearbeitung von plattenförmigen Werkstücken

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5064048A (en) * 1990-02-07 1991-11-12 Doorway Mfg. Co. Board conveyor
AT402193B (de) 1994-07-08 1997-02-25 Schelling & Co Plattenaufteilanlage
AT500768A1 (de) * 2004-09-03 2006-03-15 Panhans Maschb Gmbh Bearbeitungseinrichtung
US7966714B2 (en) * 2004-10-12 2011-06-28 Precision Automation, Inc. Multi-step systems for processing workpieces
US20080099105A1 (en) * 2006-10-12 2008-05-01 Timothy Kelly Method for producing wood flooring
US8245741B2 (en) * 2008-04-09 2012-08-21 Les Chantiers Chibougamau Ltee Method and system for glulam beams
DE102008032160B9 (de) * 2008-07-08 2010-09-23 Holzma Plattenaufteiltechnik Gmbh Verfahren zum Aufteilen plattenförmiger Werkstücke, sowie Plattenaufteilanlage
DE102014204695A1 (de) * 2014-03-13 2015-09-17 Holzma Plattenaufteiltechnik Gmbh Verfahren zum Betreiben einer Plattenbearbeitungsanlage
DE102016203674A1 (de) * 2016-03-07 2017-09-07 Homag Gmbh Verfahren zum Betreiben einer Durchlaufmaschine sowie Durchlaufmaschine
DE102016014682A1 (de) 2016-12-09 2018-06-14 Ima Klessmann Gmbh Holzbearbeitungssysteme Verfahren und Vorrichtung zum Aufteilen von plattenförmigen Werkstücken
DE102017002271A1 (de) * 2017-03-09 2018-09-13 Ima Klessmann Gmbh Holzbearbeitungssysteme Verfahren zum Aufteilen eines plattenförmigen Werkstücks

Also Published As

Publication number Publication date
EP3713727A1 (fr) 2020-09-30
WO2020120352A1 (fr) 2020-06-18
ES2924717T3 (es) 2022-10-10
PL3713727T3 (pl) 2022-09-05
US11794373B2 (en) 2023-10-24
DE102018131527A1 (de) 2020-06-10
US20210387375A1 (en) 2021-12-16
BR112021007528A2 (pt) 2021-07-27
DK3713727T3 (da) 2022-09-05

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