EP2308659A1 - Dispositif et procédé destinés à aligner des pièces à usiner - Google Patents

Dispositif et procédé destinés à aligner des pièces à usiner Download PDF

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Publication number
EP2308659A1
EP2308659A1 EP10177849A EP10177849A EP2308659A1 EP 2308659 A1 EP2308659 A1 EP 2308659A1 EP 10177849 A EP10177849 A EP 10177849A EP 10177849 A EP10177849 A EP 10177849A EP 2308659 A1 EP2308659 A1 EP 2308659A1
Authority
EP
European Patent Office
Prior art keywords
workpiece
processing
conveying direction
workpieces
alignment
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
EP10177849A
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German (de)
English (en)
Other versions
EP2308659B1 (fr
Inventor
Andreas Lorenz
Rolf Höhn
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.)
Homag GmbH
Original Assignee
Homag Holzbearbeitungssysteme GmbH
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Publication of EP2308659A1 publication Critical patent/EP2308659A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/06—Adjusting equipment, e.g. using optical projection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
    • B27F1/02—Making tongues or grooves, of indefinite length
    • 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

Definitions

  • the present invention relates to an apparatus and a method for processing workpieces, which preferably at least partially made of wood, wood materials, plastic or the like.
  • the machining of workpieces is increasingly automated.
  • the workpieces are fed at a relatively high speed by means of a conveyor, for example, an edge processing device.
  • plate-shaped materials are partially provided with structures such as graphic designs or three-dimensional surface structures, as is known for example in plate-shaped floor coverings.
  • structures such as graphic designs or three-dimensional surface structures, as is known for example in plate-shaped floor coverings.
  • the alignment device has at least one alignment element, which can be moved in the direction of passage at least within limits. In this way, the workpieces to be aligned can be further conveyed in the direction of passage even during the detection and alignment process.
  • the approaches mentioned do not solve the problem that occurs in the edge processing of workpieces with structures in such a way that they are not in a desired position after edge processing.
  • the approaches mentioned are not able to take into account variations in length of the decoration or the structure in the individual workpiece during processing.
  • a device for processing workpieces which are preferably at least partially made of wood, wood materials, plastic or the like, a conveyor for conveying the workpieces in a conveying direction.
  • This conveyor preferably conveys the workpieces in a straight line or along curved paths.
  • the workpieces are arranged sufficiently slip-resistant on the conveyor, e.g. fixed by means of negative pressure on its underside, imprint on its upper side or clamping devices, so that they can be transported without slipping and processed later.
  • an electronic, in particular optical detection device for detecting a position of an optical and / or three-dimensional structure of the conveyed on the conveyor workpieces.
  • an optical structure here are a graphic design, a grain of the workpiece surface or even simple graphical markings, etc. to understand.
  • Three-dimensional structures are often used today as embodiments of eg plate-shaped floor materials. For example, in a preceding surface press, a chamfer or Rounding be pressed into the raw plate so that the finished workpieces form a joint (eg symmetrical or asymmetrical) when you put them together.
  • optical detection devices are particularly preferred cameras with CCD or CMOS chip used.
  • CCD or CMOS chip used for three-dimensional structures.
  • 3D scanners are also preferably used for three-dimensional structures.
  • the structure that is detected is disposed between a first workpiece narrow surface and a second workpiece workpiece surface that laterally delimit the workpiece in the conveying direction. Accordingly, the structure that is to take on the prefabricated later a certain target position, recorded directly. A sole detection of only the workpiece edges is not enough, since the position of the structure on the component may be different.
  • the device according to the invention thus directly detects the position of the structure, independently of the actual workpiece dimensions, which may vary.
  • a first alignment device for displacing and aligning the workpieces conveyed on the conveyor on the basis of a detection result of the detection device, wherein the first alignment device has a first alignment element, which can be moved transversely to the conveying direction.
  • the alignment device can thus move and align the workpiece as a function of the position of the structure on the workpiece determined by the detection device.
  • the indication of direction transversely to the conveying direction here means any direction that does not correspond to the conveying direction.
  • the alignment device can be configured in different ways within the scope of the invention and, for example, also operate without contact and, if necessary, using gravity.
  • the alignment device preferably acts on the workpiece in a pushing or pulling manner.
  • the workpiece can also be gripped by the alignment device.
  • the device for processing workpieces further comprises a processing device for processing the first and / or second workpiece narrow surface with at least one first processing element downstream of the first processing device.
  • the processing device is particularly preferably a Doppelendprofiler, which not only changes the dimensions of the workpiece, but gives the workpiece narrow surfaces a profile or a formatting unit.
  • the processing means comprises a milling cutter and preferably a saw blade or an abrasive.
  • An embodiment of the present invention comprises at least one processing device for processing the first and / or second workpiece narrow surface, which has at least one first processing means, which is movable transversely to the conveying direction on the basis of a detection result of the detection device.
  • the relative displacement of processing means to the structure of the workpiece is thus realized by a displacement of the processing means transversely to the conveying direction.
  • an edge attachment device of the processing device is arranged downstream.
  • the edge attachment device serves to attach an edge to at least one of the marker surfaces.
  • the edge preferably consists of a flexible band.
  • a wide variety of technologies can be used for the edge application device, which are familiar to the person skilled in the art, such as, for example, a joining technology using a laser or another suitable energy source.
  • the edge attachment device preferably has a cutting unit in order to be able to automatically remove edge material projecting beyond the workpiece narrow surfaces.
  • the structure is at least partially invisible to humans under daylight.
  • the detection unit is capable of detecting the structure.
  • recognizable structures can be used particularly well for the detection device of the position of the structure.
  • broad simply designed markings can be used, which are particularly easy to evaluate by a pattern recognition of the detection device.
  • Such structures which are especially suitable for position detection, would adversely affect the appearance of the workpiece if they were visible to the human eye.
  • Fluorescent substances are preferably applied as a structure, which are then visible under UV light of a corresponding lamp of the detection device for the detection device.
  • Other substances can be used for the structure of this embodiment, insofar as they are not visible to the human eye under daylight and the light of conventional interior lighting and are simultaneously detectable by a corresponding detection device.
  • visible markings eg printouts or depressions
  • any patterns or structures that are present on the workpiece can also be "taught" into the detection system, which are then used as alignment marks.
  • the processing device has at least one second processing means.
  • the first processing means acts on the first feature narrow surface and the second processing means on the second workpiece surface.
  • both workpiece surfaces can be processed simultaneously.
  • different processing means can be used as the first and second processing means, which opens up additional possibilities for processing.
  • the device according to the invention may also be provided with only one processing means, according to a preferred embodiment a plurality of first processing means and a plurality of second processing means are provided. As a result, several different processing means, such as cutters and saws can be combined. Preferably, at least two of the first processing means and / or two of the second processing means are independently movable transversely to the conveying direction. This allows a parallel independent use of the individual processing means. Preference is also given to processing means redundant, so that they can be replaced at runtime of the processing device without the processing device must be stopped.
  • Fig. 1 shows a schematic representation of a first embodiment of an inventive device 1 for processing workpieces 2.
  • a conveyor 4 for conveying the workpieces 2 is shown extending vertically in this figure.
  • Two workpieces 2 shown in rectangular fashion are arranged on the conveyor 4.
  • the workpieces have a visually recognizable graphic structure 5 shown in rectangular form on their surface.
  • the conveyor 4 transports the workpieces in the direction of the arrow F.
  • the workpieces 2 have seen in the transport direction F a first workpiece narrow surface 6 and a second workpiece narrow surface 7, which limit the workpiece 2 laterally in the conveying direction F.
  • An infeed rule 8 is shown at the bottom left of the diagram. It has the task of the workpiece 2 at his first workpiece narrow surface 6 in a direction transverse to the conveying direction F vorzuzin.
  • a processing device 10 is arranged along the conveyor 4. The processing device has in this embodiment, three first processing means 11 and three second processing means 12, which are shown here as circles.
  • a detection device 30 for detecting a position of the optical structure 5 of the conveyed on the conveyor 4 workpieces 2 is shown in the lower right of the image.
  • the workpieces 2 are moved by means of the conveyor 4 in the transport direction F. In doing so, they pass the detection device 30, which detects the position of the optical structure 5 of the workpieces 2 conveyed on the conveyor 4. The workpiece 2 is then conveyed along the processing device 10. It is processed by the first processing means 11 and the second processing means 12.
  • the first processing means 11 are movable transversely to the conveying direction F on the basis of the detection result of the detection device 30.
  • the position of the structure 5 on the workpiece 2 is detected by the detection device 30 and charged in a control device. With the result of this detected actual position of the structure 5 and a predetermined target geometry, a control of a method of the first processing means 11 is performed transversely to the conveying direction F. As a result, machining of the second workpiece narrow surface 7 as a function of the position of the structure 5 can take place in this exemplary embodiment. This makes it possible to obtain by machining a workpiece 2 that the structure 5 at a desired distance from the processed second workpiece surface 7 has.
  • Fig. 2 shows a schematic representation of a second embodiment of a device 1 according to the invention for processing workpieces 2.
  • the workpiece 2 is conveyed in the image running from bottom to top of the conveyor 4.
  • the workpiece 2 again has a first workpiece narrow surface 6 and a second workpiece narrow surface 7.
  • An optical detection device is provided to detect a position of an optical structure 5 of the conveyed on the conveyor 4 workpieces 2.
  • the structure 5 is arranged between a first workpiece narrow surface 6 and a second workpiece narrow surface 7, which delimit the workpiece 2 laterally in the conveying direction F.
  • an infeed ruler 8 the workpiece 2 is pre-aligned on the conveyor 4 transversely to the conveying direction F.
  • a first alignment device 20 is provided for displacing and aligning the workpieces 2 conveyed on the conveyor 4 on the basis of a detection result of the detection device 30.
  • the first alignment device 20 has a first alignment element 21, which is movable transversely to the conveying direction F and acts in a sliding manner on the first workpiece narrow surface 6 and thereby displaces the workpiece 2 transversely to the conveying direction F.
  • the first alignment device 20 further has a second alignment element 22, which is movable transversely to the conveying direction F and acts on the second workpiece narrow surface 7 in a sliding manner, thereby displacing the workpiece 2 transversely to the conveying direction F.
  • First processing means 11 of the processing device 10 are arranged downstream of the first alignment device 20.
  • the first processing means 11 act on the second workpiece surface 7.
  • a first alignment element 25 and a second alignment element 26 of a second alignment device 24 are arranged between individual first processing means 11.
  • the second alignment device 24 is provided for displacing and aligning the workpieces 2 conveyed on the conveyor 4 on the basis of a detection result which is provided by a further detection device and / or the detection device 30 (not shown).
  • the first alignment element 25 acts in a sliding manner on the first workpiece narrow surface 6, and the second alignment element 26 then acts on the second workpiece narrow surface 7 in a sliding manner, as a result of which the workpiece 2 can be pushed back and forth transversely to the conveying direction F.
  • a Kantenanbring adopted 27 the processing means 11, 12 is arranged downstream, the edges of the workpiece surfaces 6, 7 glued.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
EP10177849.6A 2009-10-07 2010-09-21 Dispositif et procédé destinés à aligner des pièces à usiner Active EP2308659B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009048442A DE102009048442A1 (de) 2009-10-07 2009-10-07 Vorrichtung und Verfahren zum Ausrichten von Werkstücken

Publications (2)

Publication Number Publication Date
EP2308659A1 true EP2308659A1 (fr) 2011-04-13
EP2308659B1 EP2308659B1 (fr) 2021-10-27

Family

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EP10177849.6A Active EP2308659B1 (fr) 2009-10-07 2010-09-21 Dispositif et procédé destinés à aligner des pièces à usiner

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EP (1) EP2308659B1 (fr)
DE (1) DE102009048442A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104441088A (zh) * 2014-11-28 2015-03-25 四川省森泰号家具制造有限公司 一种家具加工装置
WO2017059980A1 (fr) * 2015-10-06 2017-04-13 Homag Gmbh Machine-outil et procédé d'usinage de pièces
CN109436694A (zh) * 2018-11-20 2019-03-08 广州赛志***科技有限公司 智能柔性封边线进料***
EP3461608A1 (fr) * 2017-09-29 2019-04-03 HOMAG GmbH Dispositif de revêtement ainsi que procédé de revêtement
EP3498423A1 (fr) * 2017-12-14 2019-06-19 HOMAG GmbH Dispositif d'usinage destiné à usiner un petit côté de pièce à usiner ainsi que procédé
DE102020103580A1 (de) 2020-02-12 2021-08-12 Homag Gmbh Verfahren und Vorrichtung zur Identifikation von Werkstücken

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015008891B3 (de) * 2015-07-09 2016-08-25 Ima Klessmann Gmbh Holzbearbeitungssysteme Verfahren und Vorrichtung zur Kantendickenmessung beim Aufbringen von Kantenkaschierung auf die Schmalseiten plattenförmiger Werkstücke
DE102016211723A1 (de) * 2016-06-29 2018-01-04 Weeke Bohrsysteme Gmbh Bearbeitungsvorrichtung mit einer Lichtsignalanzeigevorrichtung und Verfahren
DE102022125511A1 (de) 2022-10-04 2024-04-04 Homag Gmbh Bearbeitungsvorrichtung sowie Verfahren zum Bearbeiten eines Werkstücks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124144A (en) * 1982-07-16 1984-02-15 Kockumation Ab Method of cross-cutting elongate pieces of timber and device for performing the method
US5911302A (en) * 1996-11-29 1999-06-15 Cae Newnes Ltd. Circulating paddle board positioning apparatus
WO1999061212A1 (fr) * 1998-05-26 1999-12-02 Sunds Defibrator Panelhandling Oy Procede et appareil pour diviser une ebauche en feuille en plaques de taille inferieure
EP2030725A1 (fr) * 2007-09-03 2009-03-04 Homag Holzbearbeitungssysteme AG Dispositif et procédé destinés à aligner des pièces à usiner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326275C2 (de) * 1993-08-05 1997-10-09 Erowa Ag Verfahren zum Positionieren eines Werkstückträgers in einer Bearbeitungsmaschine sowie Werkstückträger zur Durchführung des Verfahrens
JP2003341828A (ja) * 2002-05-27 2003-12-03 Shiraitekku:Kk 供給装置
CN101909778B (zh) * 2008-03-12 2012-09-05 许勒自动控制有限责任两合公司 用于调整板形零件位置的装置和方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124144A (en) * 1982-07-16 1984-02-15 Kockumation Ab Method of cross-cutting elongate pieces of timber and device for performing the method
US5911302A (en) * 1996-11-29 1999-06-15 Cae Newnes Ltd. Circulating paddle board positioning apparatus
WO1999061212A1 (fr) * 1998-05-26 1999-12-02 Sunds Defibrator Panelhandling Oy Procede et appareil pour diviser une ebauche en feuille en plaques de taille inferieure
EP2030725A1 (fr) * 2007-09-03 2009-03-04 Homag Holzbearbeitungssysteme AG Dispositif et procédé destinés à aligner des pièces à usiner

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104441088A (zh) * 2014-11-28 2015-03-25 四川省森泰号家具制造有限公司 一种家具加工装置
WO2017059980A1 (fr) * 2015-10-06 2017-04-13 Homag Gmbh Machine-outil et procédé d'usinage de pièces
CN108136609A (zh) * 2015-10-06 2018-06-08 豪迈股份公司 用于加工工件的加工机床和方法
US10775763B2 (en) 2015-10-06 2020-09-15 Homag Gmbh Processing machine and method for processing work pieces
EP3461608A1 (fr) * 2017-09-29 2019-04-03 HOMAG GmbH Dispositif de revêtement ainsi que procédé de revêtement
EP3498423A1 (fr) * 2017-12-14 2019-06-19 HOMAG GmbH Dispositif d'usinage destiné à usiner un petit côté de pièce à usiner ainsi que procédé
CN110000870A (zh) * 2017-12-14 2019-07-12 豪迈股份公司 用于加工工件窄侧的加工设备以及方法
CN109436694A (zh) * 2018-11-20 2019-03-08 广州赛志***科技有限公司 智能柔性封边线进料***
CN109436694B (zh) * 2018-11-20 2023-12-05 广州赛志***科技有限公司 智能柔性封边线进料***
DE102020103580A1 (de) 2020-02-12 2021-08-12 Homag Gmbh Verfahren und Vorrichtung zur Identifikation von Werkstücken
WO2021160729A1 (fr) 2020-02-12 2021-08-19 Homag Gmbh Procédé et dispositif d'identification de pièces

Also Published As

Publication number Publication date
DE102009048442A1 (de) 2011-04-14
EP2308659B1 (fr) 2021-10-27

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