EP1985425B1 - Dispositif et procédé destinés au traitement d'une pièce à usiner - Google Patents

Dispositif et procédé destinés au traitement d'une pièce à usiner Download PDF

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Publication number
EP1985425B1
EP1985425B1 EP07008452A EP07008452A EP1985425B1 EP 1985425 B1 EP1985425 B1 EP 1985425B1 EP 07008452 A EP07008452 A EP 07008452A EP 07008452 A EP07008452 A EP 07008452A EP 1985425 B1 EP1985425 B1 EP 1985425B1
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EP
European Patent Office
Prior art keywords
plane
transport
tool
work piece
working
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
EP07008452A
Other languages
German (de)
English (en)
Other versions
EP1985425A1 (fr
Inventor
Goffhilf Sturm
Peter Rathgeber
Martin Gringel
Achim Gauss
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Homag Holzbearbeitungssysteme GmbH filed Critical Homag Holzbearbeitungssysteme GmbH
Priority to EP07008452A priority Critical patent/EP1985425B1/fr
Priority to DE502007001795T priority patent/DE502007001795D1/de
Priority to ES07008452T priority patent/ES2332824T3/es
Priority to PL07008452T priority patent/PL1985425T3/pl
Publication of EP1985425A1 publication Critical patent/EP1985425A1/fr
Application granted granted Critical
Publication of EP1985425B1 publication Critical patent/EP1985425B1/fr
Active legal-status Critical Current
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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
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C9/00—Multi-purpose machines; Universal machines; Equipment therefor
    • B27C9/02—Multi-purpose machines; Universal machines; Equipment therefor with a single working spindle

Definitions

  • the present invention relates to a device for processing a preferably plate-shaped workpiece.
  • the invention relates in particular to a machine for underfloor machining of the plate-shaped workpieces, which is preferably in a production line a link in the process chain.
  • FIGS. 2 and 3 show two different embodiments of the prior art.
  • Both embodiments include a tool 211, 311, with which a workpiece 202B, 302B is processed and which is held by a holding device 204, 304.
  • the workpieces are conveyed from a conveyor 206, 306 to the processing machine 210, 310. Since the tool 211, 311 continuously processes one workpiece 202B, 302B after another, and the machining of a workpiece 202B, 302B takes time, the subsequent workpiece is located 202A, 302A ready for processing while the tool 211, 311 is still processing the current workpiece 202B, 302B.
  • Fig. 2 shows an embodiment in which the tool 211 in two directions perpendicular to the conveying direction x directions (y, z) and the holding device 204 parallel to the conveying direction x is movable.
  • Zone A is a buffer zone in which the subsequent workpiece 202A is turned off during processing of the current workpiece 202B, i. "parked" is.
  • zone B the current workpiece 202B is machined and then deposited in zone C for removal. For this, the workpiece 202C located in zone C must already be transported away.
  • the holding device moves in the x direction over the buffer zone A and picks up the workpiece positioned in the buffer zone.
  • the holding device 204 moves the held workpiece in the x-direction over the tool 211, which is arranged in an interruption 208 of the conveying device 206.
  • the tool 211 moves the required proportion in the y-direction itself, so that any arbitrary position of the workpiece 202B can be achieved.
  • the machining area B must be substantially twice the workpiece length to ensure that the workpiece 202B can be retracted again should multiple machining steps be necessary.
  • no other workpieces 202A, 202C are allowed to enter this processing area B, as otherwise two workpieces could collide.
  • the workpiece is then conveyed by the conveyor 206 from the processing zone in zone C and then transported away.
  • Such a machine takes up a great deal of space, which is a major disadvantage for machines that are commonly used in a production line.
  • FIG. 3 Another embodiment is in FIG. 3 shown.
  • the tool 311 is movable in the three directions x, y, z.
  • the zoning A, B, C remains the same, with the processing zone B only having to have the length of a workpiece 302B.
  • the interruption 308 is made substantially larger than in the first embodiment of the prior art.
  • the interruption 308 here is essentially as large as the processing zone B. This is because during machining, only the tool 311 moves, the holding device 304 and the workpiece 302B in the processing zone B but stand still.
  • the workpiece is first placed in the buffer zone A, where it is picked up by the holder 304 which is movable in the transport direction x and moved over the processing zone B. After machining, the holder deposits the workpiece in zone C and the workpiece is removed from the conveyor 306.
  • the machine is still quite large and has the further disadvantage that in the processing zone, the conveyor device must be interrupted over a large area, since the tool requires this area for machining the workpieces. As a result, the holding device 304 is forced to transport each continuous workpiece itself over the interruption.
  • DE 201 15 390 U1 and the DE 298 07 071 U1 each show devices for processing plate-shaped workpieces in which several workpieces can be processed simultaneously. The processing and transport, however, take place in the same plane.
  • the object of the invention is to provide a device for machining a workpiece, in which a smaller dimensioning of the device is made possible.
  • the device for machining a workpiece which preferably at least partially consists of wood, wood-based materials, plastics or the like, comprises a tool for carrying out the machining of the workpiece, a transport device with a feed side for feeding and a removal side for transporting the workpiece to or from the Tool, wherein the workpiece is transported in a transport plane in at least one transport direction, and wherein the transport device has, at least in the feed side, a buffer zone in which a subsequent workpiece is positioned during processing of the workpiece. Further, a holding device for holding the workpiece during processing and for transporting the workpiece from the supply side to the discharge side is provided, wherein a processing plane in which the workpiece is processed, lies in a different plane to the transport plane. A buffer zone and / or a removal zone overlap with the processing zone at least in sections, in particular in a direction perpendicular to the transport plane or to the processing plane projection.
  • Such an embodiment of a device makes it possible to significantly reduce the expansion in the transport direction and thus the space requirement, since the buffer zone, in which the workpieces are waiting for processing, and the processing zone are superimposed.
  • the space in the transport direction is thus used twice. Furthermore, there is no risk of a collision of the workpieces during processing, which reliably avoids damage to the workpieces and minimizes waste.
  • the machine can also be easily decoupled from the factory and allow the workpieces to go through without processing.
  • the tool can pass through the transport plane into the processing plane.
  • the holding device preferably holds the workpiece mechanically or with vacuum. Just a fixation of the workpiece by negative pressure is a particularly gentle on the surface type of holding.
  • an automatic timing of the steps is provided, so that a continuous monitoring of the device is unnecessary.
  • the holding device above the transport device and the tool and the tool is then preferably arranged below the transport device.
  • the holder and the tool face each other, so that the surface to be machined is completely exposed and there is no danger that holder and tool interfere with each other.
  • a workpiece of any surface area can be processed, since the working plane is not limited by parts of the device in the lateral extent.
  • the workpieces can be held by gravity on the transport device, so that it is possible to avoid a complicated conveying device, which must fix the workpieces.
  • the invention comprises a method for machining a workpiece according to claim 11.
  • the Cartesian coordinate system already given in the description of the prior art is used.
  • the x-direction and the y-direction lie in the conveying plane of the conveying device, wherein the x-direction represents the conveying direction.
  • the z-direction is perpendicular to the conveying plane.
  • Transport plane is the respective level of the conveyor meant.
  • the conveyor device itself first runs horizontally, undergoes a tilt in a next section and then again runs horizontally, so that mathematically two parallel, horizontal planes are present.
  • the transport plane itself then comprises the first horizontal plane, the inclination plane and the second horizontal plane in which the workpiece is transported or stored and always lies on the conveyor device.
  • Fig. 1 is a schematic side view of a device according to the invention shown.
  • the device 10 according to the invention has at least one tool 11, a holding device 4 and a conveying device 6.
  • the tool 11 can be a simple tool, such as a drill, a milling cutter, a saw, a punch or a riveting / nailing machine. However, it may also be a more complex tool or aggregate with, for example, two different machining units for sequential machining, such as drills in two different ones Sizes or any combination of the previously mentioned simple tools.
  • the tool 11 can be permanently installed so that it is stationary and not movable. Preferably, however, the tool 11 is movable, and again it is necessary to distinguish between the different directions of movement.
  • the tool 11 is movable only in one of the directions x, y or z (see Fig. 1 ), the y direction being preferred. Furthermore, a combination of two directions of movement can be selected, wherein preferably the xy directions are selected. It is also possible to make the tool movable or rotatable in three directions, so that up to six degrees of freedom can be achieved (three linear directions of movement, three directions of rotation). In principle, any combination of motions can be achieved.
  • the conveying device 6 may be any conveying device, as is commonly used in manufacturing plants. As examples for this conveyor belts, rollers, sliding surfaces or the like may be mentioned.
  • the conveying device 6 has a transport direction x, in which the workpiece is conveyed.
  • This transport direction preferably consists of only one direction, but alternatively, the transport direction can also change, for example, by the workpiece arriving in the x-direction and being transported away in the y-direction.
  • the conveying device 6 has a feed side 6A, on which the workpiece is fed to the processing device 1, and a removal side 6C, on which the workpiece 2 is transported away from the device 10.
  • the feed side 6A and the discharge side 6C of FIG Conveyor 6 need not be at a same height level.
  • the conveying device 6 thus represents the interface of the processing device with the environment and conveys the workpieces from any preceding device (not shown) to the processing device 10 according to the invention and from this to the subsequent device (not shown) in the process chain.
  • the conveying device 6 can extend over several machines present in the process chain.
  • the conveying device 6 can also be provided exclusively on the device 10 according to the invention, so that the entire device 10 can be fitted in modular construction in any process chain.
  • the feed side 6A and the discharge side 6C are then the interfaces to the environment.
  • the conveying device 6 is used to denote the device for transporting the workpieces in the immediate vicinity of the processing device 10, that is to say the feed side 6A and the removal side 6C.
  • the conveying device 6 has a buffer zone A, in which a workpiece 2, which is to be processed, is turned off in order to be picked up therefrom by the holding device 4 described below.
  • the conveyor device can also be designed to be movable in order to lift or lower the workpieces in the z direction out of the transport plane and thus to transfer them to the holding device 4.
  • a processing zone B on the conveyor is not provided in the present invention.
  • an interruption 14 to the tool may also be omitted.
  • the construction-related design of the conveying device 6 can already provide sufficient gaps for machining with the tool 11 through the conveying device 6. Another possibility would be to attach the tool 11 on the opposite side of the conveying device 6.
  • the interruption of the conveyor depends strongly on the choice of the tool, but in any case is smaller than the workpiece length and wider than the tool.
  • the holder 4 is preferably in the transport direction, i. in the x-direction, movable. At least its direction of movement has a component parallel to the conveying direction.
  • the holder may also be movable in several directions of movement, wherein up to six degrees of freedom may also be included analogous to the directions of movement of the tool.
  • Tool and holder together should have at least two directions of movement, preferably x and z direction, better at least three directions of movement, preferably x, y and z direction.
  • the directions of movement of holder 4 and tool 11 together may also be overdetermined, ie, for example, both may be movable in the x-direction in addition to other directions of movement.
  • a stationary tool 11 should preferably be arranged such that it does not reach through the transport plane.
  • the holder 4, the workpiece 2 mechanically, in particular friction and / or positive or pneumatic, such as by a vacuum hold.
  • the holding device 4 is preferably arranged with respect to the tool 11 on the other side of the conveying device 6 and holds the workpiece 2 such that the side to be machined is ideally completely exposed.
  • the tool 11 operates, so to speak, preferably through the transport plane in the working plane in which the workpiece is kept for processing.
  • the processing zone B lies in the working plane and thereby overlaps with the buffer zone A and / or the removal zone C in a projection perpendicular to the transport plane or to the processing plane. This is only possible because the holding device 4 is decoupled from the transport plane, ie, that the holder does not have to reach through the transport plane to hold the workpiece 2.
  • a workpiece 2A positioned in the buffer zone can thus overlap the workpiece 2B to be processed without running the risk of colliding with it.
  • the holding device 4 may also be possible to attach the holding device 4 laterally to the conveying device 6 in such a way that the holding device 4 does not have to work through the conveying device 6 but passes past it laterally. Then the holder 4 does not have to however, it is still decoupled from the conveyor 11.
  • the structural arrangement of the conveying device 6, holder 4 and tool 11 is in principle adapted by the skilled person to the respective circumstances.
  • the tool 11 and the holder 4 may both be arranged above or below the conveying device 6, which then possibly also requires no interruption 8, or also opposite to the conveyor 6 between them.
  • FIG. 1 The preferred embodiment is in FIG. 1 shown, in which the conveying device 6 is provided between the tool 11 and the holder 4.
  • the tool moves in the y- and z-direction, the holder during machining only in the x-direction, wherein the holder 4 moves when picking up the workpiece 2 in the z-direction.
  • a workpiece 2A is conveyed on the feed side from the conveyor 6 to the processing apparatus 10. There it is positioned in the buffer zone C while the current workpiece 2B is still being processed.
  • the workpiece 2 can be arbitrarily rotated and moved, depending on how far the distance difference between the tool and transport plane or tool and working plane is. However, preferably in any desired x and y direction. Direction.
  • the holding device is no longer occupied and engages the workpiece 2A positioned in the buffer zone A.
  • the holding device moves over the workpiece 2 and moves itself in the z-direction to accommodate the workpiece 2 or the Conveyor can move in the buffer zone in the z-direction and brings the workpiece so in the working plane.
  • the working plane is outside the conveying plane of the feeding side 6A and the conveying side 6C of the conveying device 6 so that the workpiece 2B to be processed and the workpiece 2C positioned in the buffer zone can not collide.
  • This removal of the machining and the transport plane is preferably workpiece-dependent, but may also be a fixed measure and in some cases also depend on the kinematics of the machining (possible rotations).
  • the working plane can therefore also be oblique to the transport plane. In a plate-shaped workpiece, which is machined only in the three linear directions x, y, z and which has a thickness of a few cm, for example 2-3 cm, the working plane would have to be removed from the transport plane by the value of this thickness.
  • the holding device 6 moves the held workpiece 2 to the tool 11.
  • the tool is not stationary mounted, but may move in the y-direction and in the z-direction, so that the holder must be movable only in the x-direction to provide all linearly independent directions of movement.
  • the workpiece 2B is now processed at all required locations, while the subsequent workpiece 2A is already in the buffer zone. It may also be possible that the preceding workpiece 2C is still in the removal zone, but this workpiece must be removed before settling the machined workpiece to allow the machined workpiece settle without collision.
  • the holding device 4 moves after machining on the removal zone C and sets the workpiece 2, it is also possible here that the removal zone C is movable in the z direction and takes over the transport of the workpiece 2 from the working plane to the transport plane.
  • the invention makes it possible to build the machine a substantial piece of compactness. As a result, the space required for this device is considerably shortened and additional process steps in the process chain can be installed. This increases the effectiveness or reduces the space requirement and thus the costs.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Feeding Of Workpieces (AREA)
  • Multi-Process Working Machines And Systems (AREA)

Claims (11)

  1. Dispositif (10) pour usiner une pièce d'oeuvre (2), composée, de préférence, au moins par tronçons, de bois, matériaux ligneux, matières synthétiques ou analogues, comprenant :
    un outil (11) pour effectuer l'usinage de la pièce d'oeuvre (2) ;
    un dispositif de transport (6) avec un côté alimentation (6A) pour l'alimentation et un côté transport d'évacuation (6C), pour le transport d'évacuation de la pièce d'oeuvre (2) à ou depuis l'outil (11), la pièce d'oeuvre (2) étant transportée en au moins une direction de transport (x) dans un plan de transport, disposé sur le dispositif de transport (6), le dispositif de transport (6) présentant au moins dans le côté alimentation (6A) une zone tampon (A), dans laquelle une pièce d'oeuvre (2A) suivante est positionnée pendant l'usinage de la pièce d'oeuvre (2B) ;
    un dispositif de maintien (4), pour maintenir la pièce d'oeuvre (2) pendant l'usinage par l'outil (11) dans un plan d'usinage situé dans une zone d'usinage et dans un plan différent par rapport au plan de transport, et pour le transport de la pièce d'oeuvre, du côté alimentation (6A) au côté transport d'évacuation (6C),
    caractérisé en ce que
    la zone tampon (A) et/ou une zone de transport d'évacuation (C) chevauchent au moins par tronçons la zone d'usinage (B), en particulier en une projection perpendiculaire au plan de transport ou au plan d'usinage.
  2. Dispositif selon la revendication 1, dans lequel l'outil (11) arrive dans le plan d'usinage, en passant par le plan de transport.
  3. Dispositif selon la revendication 1 ou 2, dans lequel les directions de déplacement (x, y, z) de l'outil (11) et du dispositif de maintien (4) sont linéairement indépendantes, de préférence sont perpendiculaires entre elles.
  4. Dispositif selon l'une des revendications précédentes, dans lequel le dispositif de maintien (4) et/ou le dispositif de transport (6) sont déplaçables dans une direction de déplacement supplémentaire, perpendiculairement au plan de transport.
  5. Dispositif selon l'une des revendications précédentes, dans lequel le dispositif de maintien (4) maintient la pièce d'oeuvre (2) mécaniquement ou à l'aide d'un vide.
  6. Dispositif selon l'une des revendications précédentes, dans lequel le cadencement des étapes opératoires est effectué automatiquement.
  7. Dispositif selon l'une des revendications précédentes, dans lequel le dispositif de maintien (14) est disposé au-dessus du dispositif de transport (6) et de l'outil (11).
  8. Dispositif selon l'une des revendications précédentes, dans lequel l'outil (11) est prévu au-dessous du dispositif de transport (6).
  9. Dispositif selon l'une des revendications précédentes, dans lequel les pièces d'oeuvre (11) sont maintenues sur le dispositif de transport (6) par la force de gravité.
  10. Dispositif selon l'une des revendications précédentes, dans lequel l'outil (11) est un foret, une scie ou une fraise.
  11. Procédé pour usiner une pièce d'oeuvre (2), composée, de préférence, au moins par tronçons, de bois, matériaux ligneux, matières synthétiques ou analogues, comprenant les étapes suivantes :
    amenée d'une pièce d'oeuvre (2A) sur un dispositif de transport (6), dans un plan de transport dans une zone tampon (A) ;
    transfert de la pièce d'oeuvre à un dispositif de maintien (4) déplaçable dans au moins une direction ;
    usinage de la pièce d'oeuvre (2B) au moyen d'un outil (11), dans une zone d'usinage (B) dans un plan d'usinage différent du plan de transport, et coupant la zone tampon dans une projection perpendiculaire au plan d'usinage ou au plan de transport ;
    positionnement de la pièce d'oeuvre (2B) usinée, sur le dispositif de transport (6C), dans le plan de transport sur le côté transport d'évacuation (C) ; et
    transport d'évacuation de la pièce d'oeuvre (2C).
EP07008452A 2007-04-25 2007-04-25 Dispositif et procédé destinés au traitement d'une pièce à usiner Active EP1985425B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07008452A EP1985425B1 (fr) 2007-04-25 2007-04-25 Dispositif et procédé destinés au traitement d'une pièce à usiner
DE502007001795T DE502007001795D1 (de) 2007-04-25 2007-04-25 Vorrichtung und Verfahren zum Bearbeiten eines Werkstücks
ES07008452T ES2332824T3 (es) 2007-04-25 2007-04-25 Dispositivo y procedimiento para elaborar una pieza de trabajo.
PL07008452T PL1985425T3 (pl) 2007-04-25 2007-04-25 Urządzenie i sposób do obróbki przedmiotu obrabianego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07008452A EP1985425B1 (fr) 2007-04-25 2007-04-25 Dispositif et procédé destinés au traitement d'une pièce à usiner

Publications (2)

Publication Number Publication Date
EP1985425A1 EP1985425A1 (fr) 2008-10-29
EP1985425B1 true EP1985425B1 (fr) 2009-10-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07008452A Active EP1985425B1 (fr) 2007-04-25 2007-04-25 Dispositif et procédé destinés au traitement d'une pièce à usiner

Country Status (4)

Country Link
EP (1) EP1985425B1 (fr)
DE (1) DE502007001795D1 (fr)
ES (1) ES2332824T3 (fr)
PL (1) PL1985425T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4364917A1 (fr) * 2022-11-04 2024-05-08 IMA Schelling Deutschland GmbH Dispositif de traitement du bois et procédé d'usinage de pièces en forme de plaque

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29807071U1 (de) 1998-04-21 1998-07-23 IMA Maschinenfabriken Klessmann GmbH, 32312 Lübbecke Maschine zum Bearbeiten von Plattenrohlingen aus Holz oder Holzaustauschstoffen
DE10026069C2 (de) 2000-05-25 2003-01-09 Homag Maschinenbau Ag CNC-Bearbeitungszentrum sowie Verfahren zur Holzbearbeitung
DE20115390U1 (de) 2001-09-18 2001-11-22 Weeke Bohrsysteme GmbH, 33442 Herzebrock-Clarholz Vorrichtung zum Bearbeiten von plattenförmigen Werkstücken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4364917A1 (fr) * 2022-11-04 2024-05-08 IMA Schelling Deutschland GmbH Dispositif de traitement du bois et procédé d'usinage de pièces en forme de plaque

Also Published As

Publication number Publication date
PL1985425T3 (pl) 2010-03-31
ES2332824T3 (es) 2010-02-12
DE502007001795D1 (de) 2009-12-03
EP1985425A1 (fr) 2008-10-29

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