EP0510230A1 - Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires - Google Patents

Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires Download PDF

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Publication number
EP0510230A1
EP0510230A1 EP19910106721 EP91106721A EP0510230A1 EP 0510230 A1 EP0510230 A1 EP 0510230A1 EP 19910106721 EP19910106721 EP 19910106721 EP 91106721 A EP91106721 A EP 91106721A EP 0510230 A1 EP0510230 A1 EP 0510230A1
Authority
EP
European Patent Office
Prior art keywords
arrangement
workpieces
workpiece storage
processing
handling
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
EP19910106721
Other languages
German (de)
English (en)
Other versions
EP0510230B1 (fr
Inventor
Bodo Tönnigs
Gert Höppner
Peter Eckert
Dietmar Kaden
Kurt Kalmbach
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 Automation GmbH
Original Assignee
Ligmatech Maschinenbau 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 Ligmatech Maschinenbau GmbH filed Critical Ligmatech Maschinenbau GmbH
Priority to DE59103812T priority Critical patent/DE59103812D1/de
Priority to EP19910106721 priority patent/EP0510230B1/fr
Priority to ES91106721T priority patent/ES2064799T3/es
Publication of EP0510230A1 publication Critical patent/EP0510230A1/fr
Application granted granted Critical
Publication of EP0510230B1 publication Critical patent/EP0510230B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
    • B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/20—Storage arrangements; Piling or unpiling

Definitions

  • machining centers are increasingly being used to machine plate-shaped workpieces made of wood, plastic, composite materials or the like.
  • continuous machines in which the workpieces are moved along a rectilinear machining path and are moved past the machining units in the course of these movements in order to carry out machining operations connected in series, the workpieces are fixed on a fixed work table in machining centers, while the machining units are fixed around the fixed workpieces are guided around or moved relative to these for carrying out the machining operations.
  • This procedure allows economical production of small batch sizes and in particular the processing of difficult shapes with high processing accuracy and exact reproducibility.
  • the object of the present invention is to use machining centers of this type to create a completely new type of manufacturing system in the form of a so-called flexible manufacturing cell, with which the previously manual handling of the workpieces in connection with the machining operations can be automated as far as possible.
  • Handling devices for transferring plate-shaped workpieces from a stack of workpieces to a processing arrangement and vice versa are already known (see, for example, DE-OS 26 00 122 and DE-OS 23 08 419). Such handling devices have so far only been used in isolation for the supply, removal and stacking of plate-shaped workpieces, while according to the invention these devices are used in a modified form and in connection with one or more processing units, a workpiece storage arrangement, coordinated control means as well as control and safety devices leads to a completely new type of manufacturing system, which enables an unprecedented level of automation.
  • the device according to the invention is particularly suitable for use with one or more processing units in the form of processing centers.
  • the processing units can also be designed only to carry out individual processing operations or less complex processing operations.
  • the coordinated control means for the workpiece storage arrangement, the processing arrangement and the handling device can be designed in any manner. It is advantageous to provide a central programmable control unit.
  • This control unit can contain a CNC control.
  • the control can also be designed in such a way that the entire system can be operated in DNC mode.
  • the flexible manufacturing cell can be equipped with controls in such a way that fully automated unmanned manufacturing is possible.
  • a program for managing the workpiece memory can also be included in the control.
  • control, monitoring and safety devices are expediently designed in accordance with the respective purpose. You can use collision detection programs as well as electronic ones Include safety devices. Programs for quality control of the workpieces and the workflow can also be integrated. For example, the delivered and / or the machined workpieces can be checked for errors or defects by optical detection.
  • workpiece identification can take place via bar coding devices or optical measurement systems or the like. It can be provided when processing individual plate-shaped workpieces in the area of the inlet of the workpiece dispenser arrangement. In the case of batch operation, in turn, it can be advantageous to provide the workpiece identification when the suction lifter detects it. Also included are mechanical security devices such as fences, partitions, barriers or the like.
  • any type of handling device is suitable as a handling device if modified accordingly. It is only essential that these handling devices are suitable for transferring the workpieces from the workpiece storage arrangement into the machining arrangement and vice versa, and for moving between the machining arrangement and the workpiece storage arrangement.
  • handling devices which consist of at least one handling device which can be moved horizontally in a straight line in the X direction and which has a suction lifter which on one side transversely to the travel path Straight guidance from a position above the workpiece storage arrangement into a position above a work table of the processing unit or units and back, and in a central position between the workpiece storage arrangement and the work table can be moved in the X direction.
  • the movability in the middle position is particularly important since the workpiece storage arrangement can be optimally occupied and managed in this way.
  • multiple processing units can be assigned at any time.
  • suction traverses can be kept on standby in a special magazine and, if necessary, can be exchanged and replaced by hand or in particular automatically, depending on the respective application.
  • grippers or corresponding devices for gripping the workpieces can also be provided if necessary for gripping the workpieces.
  • the workpiece storage arrangement it is expedient to design the workpiece storage arrangement as an elongated conveyor which is arranged next to the handling device and runs parallel to its X direction.
  • the conveyor can be equipped as a belt or roller conveyor. If necessary, it is also possible to design the conveyor as a pallet store.
  • the handling device or devices can also be used as a feed device, for example for changing tools on the processing units.
  • the individual components of the device according to the invention can be linked together in any desired manner.
  • processing units for workpiece processing in the facility. It is advantageous if the processing units are arranged side by side and parallel to the X direction of the handling device.
  • the handling device can consist of two or more handling devices. It is advantageous if these handling devices, viewed in the X direction, are arranged next to one another and can be moved and controlled separately from one another.
  • the workpiece storage arrangement can be configured in any manner for receiving the workpieces to be machined and machined. This makes it possible to divide the workpiece storage arrangement into sections that have their own drives for flexible operation.
  • the workpiece storage arrangement can also contain longitudinal and cross conveyors and, if necessary, be designed in multiple lanes. It can contain means for the defined positioning of the plate-shaped workpieces in isolated form or in a stack. These means can be mechanical and optical. It is only essential that defined positions and the most flexible possible handling of the workpieces or the tool stack in the area of the workpiece storage arrangement are possible.
  • the workpiece storage arrangement is equipped with an additional external device for feeding and removing the workpieces.
  • the workpiece storage arrangement can also be equipped with one or more special stores.
  • Such special memories are particularly advantageous in the case of complete machining. If the plate-shaped workpieces have been equipped, for example, with fittings or the like in the course of complete machining, stacking one on top of the other in the workpiece storage arrangement is no longer possible.
  • special memories such as computing devices or the like, such completely machined workpieces can be safely and space-savingly taken up by the workpiece memory device without the risk of damage to adjacent workpieces and can be passed on for further processing.
  • the handling devices can be equipped with corresponding devices for pivoting and / or tilting the suction lifter.
  • the perspective drawing shows schematically an inventive device for handling and processing plate-shaped workpieces made of wood, plastic, composite materials or the like, which forms a so-called flexible manufacturing cell.
  • the core of the flexible manufacturing cell is a handling device 1, which in the exemplary embodiment shown consists of a handling device 2, which can be moved in a straight line horizontally in the X direction via floor guides 3, 4.
  • a processing arrangement 5 is set up, which in the present exemplary embodiment consists of a processing unit 6 with two work tables 7, 8.
  • a workpiece storage arrangement 9 is in turn arranged on the side of the floor guide 4, which in the present exemplary embodiment is configured as a conveyor 10 in the form of a roller conveyor.
  • the handling device 1 in the form of the handling device 2 is thus between the processing unit 6 and the conveyor 10.
  • the conveyor 10 receives both the workpieces to be machined and the workpieces already machined. In the illustration are those still to be processed Workpiece combined into stacks and designated by the reference numerals 11 and 12. The workpieces that have already been machined are also in the form of stacks and are identified by reference numerals 13 and 14.
  • the handling device 2 has a foot 15 which can be moved back and forth in the X direction on the floor guides 3, 4, as is indicated in the drawing by arrows on both sides of the foot 15.
  • a support column 16 is placed, which extends in the vertical direction and on which a support slide 17 is guided up and down in the vertical direction (Z direction).
  • the support carriage 17 has a cantilever 18 which extends in a horizontal plane in the X direction and carries at its free end a support arm 20 which extends in the Y direction.
  • the elements described form a straight guide for the suction lifter 22, the function of which will be briefly described later.
  • the processing unit 6, the handling device 2 and the workpiece storage arrangement 9 are coupled to one another via electronic control means, which are not shown in detail. Only one control panel 19 is shown, with which the flexible manufacturing cell can be controlled by an operator.
  • the flexible manufacturing cell also contains control and safety devices, which are not shown in detail. Of the safety devices, only one safety fence 23 is shown, which surrounds the flexible manufacturing cell.
  • the workpieces of the stacks 11 and 12 to be machined are fed to the workpiece storage arrangement 9 either by hand or via an additional device, not shown.
  • the suction lifter 22 of the handling device 2 grasped by the suction lifter 22 of the handling device 2 and fed to the machining unit 6. In the present illustration, this is indicated by an arrow 24.
  • the suction lifter 22 thus removes the uppermost workpiece W from the stack 11 and places it on the work table 8 of the processing unit 6 (W1).
  • the handling device 2 already places the following workpiece on one of the work tables of the processing unit via the suction lifter 22, while at the same time the processing operation is carried out on the previous workpiece.
  • the tools of the machining unit move to carry out the machining process on the next workpiece, while in this phase the handling device detects the previously machined previous workpiece with the suction lifter and the workpiece storage arrangement 9 feeds and stores there in the area intended for the machined workpieces.
  • the finished workpieces are placed on the stacks 13 or 14 by the handling device 2.
  • the finished workpieces of the stacks 13 and 14 are subsequently removed from the workpiece storage arrangement 9 for further processing or packaging or completion by hand or via the device (not shown) already mentioned at the beginning.
  • the handling device 2 can also be set up to carry out certain machining operations.
  • tools for finishing processing or glue application can be used, for example.
  • the tools for the processing unit 6 can also be provided via the handling device 2 or can even be changed automatically with the appropriate apparatus and control technology.
  • the handling device 2 can also be moved by the operator into a parking position, which in the present exemplary embodiment is located at the right end of the floor guides 3, 4. This creates space for an operator who can remove the workpieces to be machined from the workpiece storage arrangement 9 and place them by hand on the respective work table of the processing unit, set them up there and remove them again after the machining has been carried out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Multi-Process Working Machines And Systems (AREA)
EP19910106721 1991-04-25 1991-04-25 Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires Expired - Lifetime EP0510230B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59103812T DE59103812D1 (de) 1991-04-25 1991-04-25 Einrichtung zum Handhaben und Bearbeiten von plattenförmigen Werkstücken aus Holz, Kunststoff, Verbundwerkstoffen oder dergleichen.
EP19910106721 EP0510230B1 (fr) 1991-04-25 1991-04-25 Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires
ES91106721T ES2064799T3 (es) 1991-04-25 1991-04-25 Instalacion para manipular y mecanizar piezas de trabajo en forma de placa, de madera, material sintetico, materiales compuestos o similares.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19910106721 EP0510230B1 (fr) 1991-04-25 1991-04-25 Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires

Publications (2)

Publication Number Publication Date
EP0510230A1 true EP0510230A1 (fr) 1992-10-28
EP0510230B1 EP0510230B1 (fr) 1994-12-07

Family

ID=8206661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910106721 Expired - Lifetime EP0510230B1 (fr) 1991-04-25 1991-04-25 Dispositif pour manipuler et travailler des panneaux en bois, matière plastique, laminés ou similaires

Country Status (3)

Country Link
EP (1) EP0510230B1 (fr)
DE (1) DE59103812D1 (fr)
ES (1) ES2064799T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780172A3 (fr) * 1995-12-12 1998-04-15 Amada Metrecs Company, Limited Procédé et dispositif pour le chargement et le déchargement automatique d'une pièce de tÔle
EP1716991A1 (fr) * 2005-04-29 2006-11-02 Homag Holzbearbeitungssysteme AG Système de fabrication de pièces en forme de plaque
DE102014223910A1 (de) * 2014-11-24 2016-05-25 Homag Holzbearbeitungssysteme Gmbh Werkstückzuführvorrichtung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2208762A1 (fr) * 1972-12-04 1974-06-28 Budd Co
DE3407445A1 (de) * 1984-02-29 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Positioniervorrichtung fuer automatisch bestueckbare biegepresse
FR2584634A1 (fr) * 1985-07-15 1987-01-16 Prima Ind Spa Procede et installation pour la manipulation mecanique de toles metalliques, en particulier pour des operations de pliage
GB2177676A (en) * 1985-07-15 1987-01-28 Prima Ind Spa A manipulator device particularly for handling metal sheets during folding operations
EP0216631A2 (fr) * 1985-09-24 1987-04-01 Niigata Engineering Co., Ltd. Procédé pour alimenter une pièce
DE3810657A1 (de) * 1988-03-29 1989-10-19 Josef Gail Verfahren und einrichtung zum vorlegen und ruecknehmen der werkstuecke an einer werkstueckbearbeitungsmaschine
GB2219571A (en) * 1988-05-30 1989-12-13 Mitsubishi Electric Corp Travelling stand for robot
EP0354559A1 (fr) * 1988-08-09 1990-02-14 Daikin Industries, Limited Robot industriel pour système de presse, système de presse et procédé pour matériel plat
GB2234925A (en) * 1989-08-16 1991-02-20 Amada Co Ltd Bending machine sheet workpiece manipulating apparatus
EP0416139A1 (fr) * 1988-07-08 1991-03-13 Schering Aktiengesellschaft Dispositif linéaire à deux têtes de préhension se déplaçant indépendamment l'une de l'autre

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2208762A1 (fr) * 1972-12-04 1974-06-28 Budd Co
DE3407445A1 (de) * 1984-02-29 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Positioniervorrichtung fuer automatisch bestueckbare biegepresse
FR2584634A1 (fr) * 1985-07-15 1987-01-16 Prima Ind Spa Procede et installation pour la manipulation mecanique de toles metalliques, en particulier pour des operations de pliage
GB2177676A (en) * 1985-07-15 1987-01-28 Prima Ind Spa A manipulator device particularly for handling metal sheets during folding operations
EP0216631A2 (fr) * 1985-09-24 1987-04-01 Niigata Engineering Co., Ltd. Procédé pour alimenter une pièce
DE3810657A1 (de) * 1988-03-29 1989-10-19 Josef Gail Verfahren und einrichtung zum vorlegen und ruecknehmen der werkstuecke an einer werkstueckbearbeitungsmaschine
GB2219571A (en) * 1988-05-30 1989-12-13 Mitsubishi Electric Corp Travelling stand for robot
EP0416139A1 (fr) * 1988-07-08 1991-03-13 Schering Aktiengesellschaft Dispositif linéaire à deux têtes de préhension se déplaçant indépendamment l'une de l'autre
EP0354559A1 (fr) * 1988-08-09 1990-02-14 Daikin Industries, Limited Robot industriel pour système de presse, système de presse et procédé pour matériel plat
GB2234925A (en) * 1989-08-16 1991-02-20 Amada Co Ltd Bending machine sheet workpiece manipulating apparatus

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
VDI-Z Bd. 125, Nr. 22, November 1983, Seiten 937 - 948; WARNECKE: 'FLEXIBLE FERTIGUNGSZELLEN' *
WERKSTATT UND BETRIEB Bd. 123, Nr. 7, Juli 1990, MUNCHEN Seiten 515 - 519; H. HOFFMANN: 'ROTOR- UND STATORBLECHE FERTIGEN' *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0780172A3 (fr) * 1995-12-12 1998-04-15 Amada Metrecs Company, Limited Procédé et dispositif pour le chargement et le déchargement automatique d'une pièce de tÔle
EP1716991A1 (fr) * 2005-04-29 2006-11-02 Homag Holzbearbeitungssysteme AG Système de fabrication de pièces en forme de plaque
DE102014223910A1 (de) * 2014-11-24 2016-05-25 Homag Holzbearbeitungssysteme Gmbh Werkstückzuführvorrichtung

Also Published As

Publication number Publication date
ES2064799T3 (es) 1995-02-01
EP0510230B1 (fr) 1994-12-07
DE59103812D1 (de) 1995-01-19

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