WO2024259464A1 - Dispositif de traitement de matières, ayant une fonction d'alimentation et/ou de mise fonctionnement au moins manuelle, et système de programmation - Google Patents

Dispositif de traitement de matières, ayant une fonction d'alimentation et/ou de mise fonctionnement au moins manuelle, et système de programmation Download PDF

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Publication number
WO2024259464A1
WO2024259464A1 PCT/AT2024/060238 AT2024060238W WO2024259464A1 WO 2024259464 A1 WO2024259464 A1 WO 2024259464A1 AT 2024060238 W AT2024060238 W AT 2024060238W WO 2024259464 A1 WO2024259464 A1 WO 2024259464A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
gripping
optimized
gripping position
bending
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.)
Pending
Application number
PCT/AT2024/060238
Other languages
German (de)
English (en)
Inventor
Uwe HAIGERMOSER
Thomas SCHWARZGRUBER
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.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria GmbH and Co KG
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 Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Publication of WO2024259464A1 publication Critical patent/WO2024259464A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2404—Arrangements for improving direct observation of the working space, e.g. using mirrors or lamps
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/002—Positioning devices
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • 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
    • B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2414—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for indicating desired positions guiding the positioning of tools or workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by monitoring or safety
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
    • G05B19/4093—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part program, for the NC machine
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45143—Press-brake, bending machine

Definitions

  • the invention relates to a device for material processing with manual loading and operation, in particular of metallic workpieces, especially a bending machine, according to the preamble of claim 1, as well as an offline programming system for generating control commands for controlling such devices, according to the preamble of claim 11.
  • EP 2 590040 Bl discloses a bending machine in which two cameras are arranged on the press beam and in particular in the area of the work and manipulation space in front of the press beam. These cameras capture the work area in front of the machine, in particular the inserted sheet metal. The captured image is transmitted to a data processing device. This evaluates the orientation in which the sheet metal was inserted into the bending machine. If the sheet metal is incorrectly aligned for the next bending step to be carried out, position correction information is created and projected onto the sheet metal by a projector, which projector is also arranged on the press beam in the front work and manipulation space. The operator thus receives a representation on the sheet metal in front of him of the direction in which the sheet metal must be moved in order to be correctly inserted into the bending machine for the next work step.
  • EP 3507034 B1 discloses a bending machine with a bending information display device, which is formed by at least one projector and a display surface for the projected information.
  • the bending information can be displayed by at least one of the group workpiece contour, bending line, control panel, status data of the press beam, alignment information, target angle, piece counter and areas on the sheet to be formed with a increased risk of injury during the bending process. It is also possible to visualize those areas on the workpiece in which there is a risk of injury from the forming sheet metal during the bending process.
  • the object of the present invention was to overcome the disadvantages of the prior art and to provide a device by means of which the operator can manipulate the workpiece to be processed in a low-risk and at the same time material-friendly manner.
  • the device according to the invention is equipped with at least one tool and an electronic control with a memory in which control commands for the tool are stored, as well as with an optical display device.
  • such a device is characterized in that the control is designed to determine an optimized gripping posture and/or an optimized gripping position on the workpiece for each work process and to output it on the optical display device.
  • the operator can be shown in color those positions and/or surfaces where he can grip the bent part in the respective bending step and guide it safely during the forming process.
  • those gripping positions and/or surfaces where there is a potential risk to the physical integrity of the operator should be excluded, or those positions and/or surfaces should be shown where this risk is minimal.
  • a design tool for determining the optimal gripping posture and/or optimal gripping position on the workpiece is implemented in the controller, in which the human gripping mechanism is represented.
  • the optimized gripping posture and/or optimized gripping position on the workpiece can be stored together with the bending graphic in the memory of the controller and made available for output on the optical display device.
  • a further embodiment of the invention provides that the memory of the control is designed so that for each work process the optimized gripping position and/or optimized gripping position on the workpiece can be stored together with bending graphics and made available for output on the optical display device.
  • a preferred embodiment of the device according to the invention is characterized by a device for reading information from a library which describes the shape changes of the workpiece and the trajectories of different regions of the workpiece during and after the machining process for workpieces of different initial shapes and for different machining processes.
  • a device for predicting and/or determining the areas of the workpiece with no or little shape changes and/or short trajectories is further integrated into or connected to the device.
  • a device according to the invention also comprises a device for projecting optical markings onto the areas of the workpiece with no or little shape changes and/or short trajectories.
  • An alternative embodiment according to the invention is characterized by a device for optically displaying the shape changes of the workpiece and the trajectories of different areas of the workpiece during and after the machining process.
  • the optical display can be formed by AR (augmented reality) glasses and/or by a screen.
  • Another device for solving the problem set at the beginning is an offline programming system for creating control commands for controlling devices according to one of the preceding paragraphs. It is equipped with a data Input device and an optical display device, as well as a data interface to the device for material processing and/or to a storage medium.
  • this system is characterized in that the data input device is designed to input gripping postures and/or gripping positions on the workpiece.
  • the data input device and the data interface and/or the storage medium are designed to write the optimized gripping position and/or optimized gripping position on the workpiece together with bending graphics into the memory of the device and/or onto the storage medium for each work process.
  • a further advantageous embodiment of the invention is characterized by a design tool for the optimal gripping posture and/or optimal gripping position on the workpiece, in which the human gripping mechanism is represented.
  • Fig. 1 is a simplified perspective view of a bending machine with an optical bending information display device
  • Fig. 2 a view of AR glasses from the user's perspective, for the configuration shown in Fig. 1
  • Fig. 1 shows a bending machine 1 as a preferred example of a device according to the invention for material processing with manual loading and operation.
  • the bending machine 1 is equipped with a sensor and display unit 2 and at least one Tool, here an upper press beam 6, which is movably guided relative to the machine frame 3 with its two side parts 4 and the machine table 5, wherein the relative movement is carried out by a drive means not shown.
  • the machine table 5 and a lower tool 7 are arranged below the press beam 6.
  • the control of the movement sequences of the bending machine 1, including the receipt of the operator inputs and the display of all process-relevant information on a screen 8 as an example of an optical display device, is carried out by an electronic control 9 with a memory in which control commands for the at least one tool 6, 7 are stored.
  • AR augmented reality glasses 10 worn by the machine operator, which receives the information to be displayed from the electrical control 9 via cable or wireless connection.
  • Another possibility for displaying process-relevant information is projection onto display surfaces 11, preferably designed to be reflective and color-neutral, for example on the machine table 5, for which purpose a projector 12 is attached to the machine frame 3 or the press beam 6.
  • the workpiece 13 itself could also serve as a projection surface as soon as it is in its intended position in the area of the lower tool 7 and/or the press beam 6. Combinations of all projection or optical display variants are also possible.
  • the control system 9 of the bending machine 1 is now designed in such a way that the deformations that occur are determined in advance, preferably using a simulation algorithm, either by manually entering the parameters of the workpiece 13, its position and/or the bending process, and taking these into account, an optimized gripping position, the optimized positioning of the hands and arms 14 of the operator and/or an optimized gripping position on the workpiece for each work process and outputting them on the optical display device 8, 10, 11, 13.
  • a simulation algorithm either by manually entering the parameters of the workpiece 13, its position and/or the bending process, and taking these into account, an optimized gripping position, the optimized positioning of the hands and arms 14 of the operator and/or an optimized gripping position on the workpiece for each work process and outputting them on the optical display device 8, 10, 11, 13.
  • those positions and/or surfaces at which the operator can grip the workpiece 13 in the respective bending step and guide it safely during the forming process can be shown in color.
  • control 9 can contain a design tool for determining the optimal gripping position and/or optimal gripping position 15 on the workpiece 13, in which the human gripping mechanism is represented.
  • the optimized gripping position and/or optimized gripping position 15 on the workpiece 13 together with a bending graphic are stored in the memory of the controller 9 and made available for output on the optical display device 8, 10, 11, 13.
  • a further embodiment of the invention provides that the memory of the control is designed such that for each work process the optimized gripping position and/or optimized gripping position 15 on the workpiece 13 can be stored together with bending graphics and made available for output on the optical display device 8, 10, 11, 13.
  • Fig. 2 shows a view of AR glasses 10 from the perspective of the wearer of the glasses 10, in particular a view of the display surface 16.
  • the objects and machine areas in the field of view are shown on it, in the same way as when looking through conventional safety glasses.
  • the operator of the bending machine 1 can see, for example, the lower tool 7, the machine table 5 and the workpiece 13 as well as his own arms and hands 14.
  • the information explained above is displayed in this image, as determined in the control system 9, in particular those positions and/or surfaces at which the operator can grip the workpiece 13 in the respective bending step and guide it safely during the forming process.
  • a preferred embodiment further comprises a device for reading information from a library which describes the shape changes of the workpiece 13 and the trajectories of various areas of the workpiece 13 during and after the machining process for workpieces 13 of different initial shapes and for different machining processes, i.e. also taking into account the tools used.
  • a device for predicting and/or determining the areas of the workpiece 13 with no or little shape changes and/or short trajectories can be integrated into the device or connected to it, in particular a simulation tool for the respective machining type and process.
  • the display of the optimized gripping position can thus also be realized by providing a device for projecting optical markings onto the areas of the workpiece 13 with no or little shape changes and/or short trajectories in or on the bending machine 1.
  • a further alternative is a device for optically displaying the shape changes of the workpiece 13 and the trajectories of various areas of the workpiece 13 during and after the machining process.
  • the design of the bending machine 1 explained above or of any similarly designed device for material processing enables the determination and display of optimized gripping positions of the workpiece 13 directly during processing. By using suitable simulation tools, it is also possible to provide the same functionality using an offline programming system for creating control commands for the controller 9 of such devices.
  • a corresponding system is equipped with a data input device and an optical display device, as well as with a data interface to the device for material processing, for example a bending machine 1 and/or to a storage medium, with which the control commands can be made available for and imported into any controller 9 equipped with corresponding interfaces.
  • the data input device is preferably designed to input gripping postures and/or gripping positions on the workpiece.
  • a further embodiment of the invention provides a design of the data input device and the data interface and/or the storage medium that writes the optimized gripping posture and/or optimized gripping position on the workpiece together with a bending graphic into the memory of the device and/or onto the storage medium for each work process.
  • a further advantageous embodiment of the invention is characterized by a design tool for the optimal gripping posture and/or optimal gripping position on the workpiece, in which the human gripping mechanism is depicted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Geometry (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

L'invention concerne un dispositif et un système de programmation pour le traitement de matières, ayant une fonction d'alimentation et/ou de mise en fonctionnement au moins manuelle. Le dispositif comprend au moins un outil (5, 6), un dispositif de commande électronique (9), qui est configuré pour sélectionner et/ou positionner des outils et pour mettre en œuvre la procédure de traitement de matières, ce qui modifie la forme de la pièce de fabrication (13), une unité d'affichage optique (8, 10, 11, 13), et de préférence un dispositif pour afficher l'alignement correct de la pièce de fabrication pour chaque procédure de traitement. Le dispositif de commande (9) est conçu pour déterminer et afficher une position de préhension optimisée (15) sur la pièce de fabrication (13) pour chaque opération.
PCT/AT2024/060238 2023-06-22 2024-06-20 Dispositif de traitement de matières, ayant une fonction d'alimentation et/ou de mise fonctionnement au moins manuelle, et système de programmation Pending WO2024259464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50489/2023A AT526852B1 (de) 2023-06-22 2023-06-22 Vorrichtung zur Materialbearbeitung mit zumindest manueller Beschickung und/oder Bedienung, sowie Programmiersystem
ATA50489/2023 2023-06-22

Publications (1)

Publication Number Publication Date
WO2024259464A1 true WO2024259464A1 (fr) 2024-12-26

Family

ID=91856035

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2024/060238 Pending WO2024259464A1 (fr) 2023-06-22 2024-06-20 Dispositif de traitement de matières, ayant une fonction d'alimentation et/ou de mise fonctionnement au moins manuelle, et système de programmation

Country Status (2)

Country Link
AT (1) AT526852B1 (fr)
WO (1) WO2024259464A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120279285A1 (en) * 2011-01-17 2012-11-08 Yumiko Kato Safety device and preparatory movement determination method
EP2590040A1 (fr) 2011-11-04 2013-05-08 Nivora IP B.V. Procédé et dispositif pour aider à la manipulation manuelle d'une pièce de travail pendant l'usinage
US20170136627A1 (en) * 2014-06-20 2017-05-18 Omron Corporation Worker terminal for robot operation
US20190041001A1 (en) * 2017-08-04 2019-02-07 Jason Boyer Secondary Light Curtain for Detecting Crush Zone Intrusion in a Secondary Process and Associated Method for Use
EP3507034A1 (fr) 2016-09-02 2019-07-10 TRUMPF Maschinen Austria GmbH & Co. KG. Machine à cintrer munie d'un dispositif d'affichage de données de cintrage
WO2022059581A1 (fr) * 2020-09-18 2022-03-24 株式会社アマダ Presse plieuse, dispositif de sortie d'image et procédé de sortie d'image

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006061959A (ja) * 2004-08-27 2006-03-09 Komatsu Sanki Kk プレスブレーキ
US9972133B2 (en) * 2015-04-24 2018-05-15 Jpw Industries Inc. Wearable display for use with tool
AT518890B1 (de) * 2016-09-02 2018-02-15 Trumpf Maschinen Austria Gmbh & Co Kg Biegemaschine mit einer Arbeitsbereich-Bilderfassungsvorrichtung
EP3837113B1 (fr) * 2018-08-13 2024-01-03 Triton Metal Products Inc. Système de positionnement intégré à une machine
AT521619B1 (de) * 2018-08-28 2020-03-15 Trumpf Maschinen Austria Gmbh & Co Kg Verfahren zum Betreiben einer Biegemaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120279285A1 (en) * 2011-01-17 2012-11-08 Yumiko Kato Safety device and preparatory movement determination method
EP2590040A1 (fr) 2011-11-04 2013-05-08 Nivora IP B.V. Procédé et dispositif pour aider à la manipulation manuelle d'une pièce de travail pendant l'usinage
US20170136627A1 (en) * 2014-06-20 2017-05-18 Omron Corporation Worker terminal for robot operation
EP3507034A1 (fr) 2016-09-02 2019-07-10 TRUMPF Maschinen Austria GmbH & Co. KG. Machine à cintrer munie d'un dispositif d'affichage de données de cintrage
US20190041001A1 (en) * 2017-08-04 2019-02-07 Jason Boyer Secondary Light Curtain for Detecting Crush Zone Intrusion in a Secondary Process and Associated Method for Use
WO2022059581A1 (fr) * 2020-09-18 2022-03-24 株式会社アマダ Presse plieuse, dispositif de sortie d'image et procédé de sortie d'image

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Publication number Publication date
AT526852A4 (de) 2024-08-15
AT526852B1 (de) 2024-08-15

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