EP4309012A1 - Station d'accueil pour porte-pièces dans un système de transport sans conducteur - Google Patents

Station d'accueil pour porte-pièces dans un système de transport sans conducteur

Info

Publication number
EP4309012A1
EP4309012A1 EP22714828.5A EP22714828A EP4309012A1 EP 4309012 A1 EP4309012 A1 EP 4309012A1 EP 22714828 A EP22714828 A EP 22714828A EP 4309012 A1 EP4309012 A1 EP 4309012A1
Authority
EP
European Patent Office
Prior art keywords
workpiece carrier
docking station
mes
workpiece
driverless transport
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.)
Withdrawn
Application number
EP22714828.5A
Other languages
German (de)
English (en)
Inventor
Ferdinand Baaij
Peter Epperlein
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 Werkzeugmaschinen SE and Co KG
Original Assignee
Trumpf Werkzeugmaschinen SE 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 Werkzeugmaschinen SE and Co KG filed Critical Trumpf Werkzeugmaschinen SE and Co KG
Publication of EP4309012A1 publication Critical patent/EP4309012A1/fr
Withdrawn legal-status Critical Current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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/14—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines
    • B23Q7/1426—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices
    • B23Q7/1436—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting co-ordinated in production lines with work holders not rigidly fixed to the transport devices using self-propelled work holders
    • 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
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system
    • G05B19/41895—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system using automatic guided vehicles [AGV]
    • 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
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31372—Mes manufacturing execution system
    • 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
    • G05B2219/32—Operator till task planning
    • G05B2219/32046—On detection workpiece code load program for workpiece from central

Definitions

  • the invention relates to a device for transporting workpieces with a workpiece carrier.
  • the invention also relates to a method for checking in a workpiece carrier.
  • MES manufacturing execution system
  • US 2019/0244309 A1 describes an MES with a location system for locating workpieces in sheet metal processing.
  • the positioning system includes mobile units that can be arranged on a workpiece carrier.
  • EP 0 654 721 A1 discloses production with reloading stations for loading and unloading workpiece carriers.
  • the object according to the invention is thus achieved by a device for transporting workpieces.
  • the device has an MES, a driverless transport vehicle that can be controlled by the MES, a workpiece carrier and a docking station that can be approached by the driverless transport vehicle.
  • the docking station is designed to accommodate the workpiece carrier. It has a position sensor to determine the position of the workpiece carrier on the docking station.
  • the docking station makes it possible to supply a production station with material or to remove processed material from the production station.
  • the docking station can act as a buffer space.
  • the position sensor ensures that the workpiece carrier is in the (correct) parking position so that the driverless transport vehicle can reach and pick up the workpiece carrier without colliding.
  • the position sensor can also be designed to determine when there is no workpiece carrier in the docking station, so that a delivery of workpiece carriers can also be controlled by the MES in a targeted and process-reliable manner.
  • the MES can be at least partially stationary and/or at least partially stored in a cloud.
  • the workpiece carrier can have a mobile carriage.
  • the workpiece carrier can have a pallet.
  • the pallet is preferably in the form of a Euro pallet (1200mm x 800mm) or in the form of a GMA pallet (1219mm x 1016mm (40" x 48")).
  • the docking station is particularly preferably adaptable to accommodate pallets of different sizes, in particular to accommodate a Euro pallet or GMA pallet.
  • the position sensor is arranged or formed on the docking station. The integration of the position sensor into the docking station makes it particularly easy to handle and move.
  • the position sensor can be in the form of a switch, the switch only being operable by the workpiece carrier when the workpiece carrier is in a parking position where it is accessible to the driverless transport vehicle.
  • the switch is preferably designed in the form of a stop for the workpiece carrier.
  • the docking station can have a signaling device which emits a signal depending on the detected position of the workpiece carrier.
  • the signaling device can emit a visual and/or acoustic signal.
  • the signaling device can be designed to emit a signal that indicates the parking position of the workpiece carrier at the docking station and/or an incorrect parking position of the workpiece carrier at the docking station.
  • the signaling device preferably has a lamp for emitting the signal.
  • the docking station can be designed to signal the status of a transport order from a driverless transport vehicle and/or a correct booking of a workpiece carrier in the MES in order to give workers feedback.
  • the docking station can be connected to the MES by cable. Alternatively or additionally, the docking station can be connected wirelessly to the MES.
  • the docking station is preferably connected to the MES via a WLAN gateway. As a result, the docking station can be set up in a particularly simple manner be transferred.
  • the WLAN gateway is preferably designed for communication in the open platform communications united architecture (OPC-UA) format.
  • the docking station also preferably has all the sensors and network components required for its operation, so that no fixed network infrastructure (sockets, etc.) has to be laid and wired through a production hall.
  • the docking station also preferably has an identification sensor in order to be able to identify the workpiece carrier.
  • the identification sensor can be designed in the form of an optical sensor, a code reader and/or in the form of an RFID reader.
  • the identification sensor can be connected to the MES directly or indirectly, in particular by means of the WLAN gateway.
  • the identification sensor and/or the position sensor can be designed to automatically trigger the movement of the driverless transport vehicle, in particular by means of the MES.
  • the docking station can have a height sensor in order to record the height of the workpiece carrier.
  • the total height of the workpiece carrier in particular including the workpiece loading, can be determined by the height sensor. This can prevent the driverless transport vehicle from driving the workpiece carrier to unsuitable locations, for example on shelves that are too low.
  • the docking station can be designed in such a way that workers can access the workpiece carrier on the docking station from two opposite sides.
  • the device can have a pallet rack, under which the docking station is arranged, so that the space available is optimally utilized.
  • the docking station is preferably designed in such a way that the workpiece carrier can be handled by the driverless transport vehicle from two opposite sides. This enables a flexible arrangement of the docking station in the factory layout, in order to give the worker good access to the workpiece carrier in different workplace constellations.
  • it has several receiving places, each receiving place having a position sensor described here.
  • the docking station can be of modular design. Each module can have a receiving space, each receiving space having a position sensor and preferably a signaling device and/or an identification sensor.
  • the docking station preferably has a WLAN gateway shared by all modules.
  • the modules can each have a middle part, in particular a middle part that can be changed in length and that specifies the width of the respective receiving space.
  • the individual modules can be connected without tools, in particular pluggable.
  • the device according to the invention can preferably be used in a metal processing company, in particular in sheet metal processing.
  • the object according to the invention is also achieved by a method, the method being carried out in particular with a device described here.
  • the method comprises the method steps: A) placing a workpiece carrier in a parking position at a docking station;
  • the device can have a machine tool and the workpiece carrier can be moved towards the machine tool or away from the machine tool, with the workpiece carrier being temporarily stored in the docking station. Due to the temporary "intermediate parking" of the workpiece carrier, the docking station serves as a buffer space for the workpiece carrier. The workpiece carrier can also be temporarily stored in another space, which is located in particular between the machine tool and the docking station.
  • the workpiece carrier can be identified by an identification sensor. The identity of the workpiece carrier can be transmitted to the MES. Booking in the MES can be initiated by the position sensor and/or the identification sensor.
  • the communication between the docking station and the MES preferably takes place wirelessly, in particular via WLAN.
  • the method can also have the following method step: D) Collection of the workpiece carrier by a driverless transport vehicle controlled by the MES.
  • Process step D) can be initiated by logging the workpiece carrier into the MES.
  • a plausibility analysis with regard to the loading of the workpiece carrier can be carried out in the MES.
  • the plausibility check can be used to determine in particular whether an empty workpiece carrier or a workpiece carrier with a specific order has arrived at a specific storage location.
  • the plausibility analysis can take into account that workpiece carriers are usually only placed on a mobile trolley or removed from there at specific supply or disposal locations.
  • a height control of the workpiece carrier is preferably carried out by a height sensor.
  • the MES can transfer workpieces stored on the workpiece carriers depending on the logged-in workpiece carriers and/or load a machining program on a machine tool of a production station.
  • the method according to the invention is preferably used in a metal processing operation, in particular in sheet metal processing.
  • FIG. 1 shows a schematic plan view of a device according to the invention with a docking station.
  • FIG. 2 shows a perspective view of a further embodiment of a docking station.
  • FIG 3a shows a perspective view of a further embodiment of a docking station for a workpiece carrier.
  • 3b shows a perspective view of a further embodiment of a docking station with receiving spaces for two workpiece carriers that can be received next to one another.
  • FIG. 3c shows a perspective view of a further embodiment of a docking station with receiving places for three workpiece carriers that can be received next to one another.
  • FIG. 1 shows a device 10 for transporting workpieces, of which a workpiece 12 is provided with a reference number in FIG.
  • the device 10 includes a manufacturing execution system (MES) 14 for controlling a driverless transport vehicle 16.
  • MES manufacturing execution system
  • the driverless transport vehicle 16 is designed to move a workpiece carrier 18 .
  • the workpiece carrier 18 for receiving the workpiece 12 is in the present case designed in the form of a pallet.
  • the workpiece carrier 18 is picked up and parked (parked) by the driverless transport vehicle 16 in a docking station 20.
  • the docking station 20 and the workpiece carrier 18 are designed so low that the workpiece carrier 18 is accessible from at least two sides of workers 22a, 22b.
  • the docking station 20 has a position sensor 24, here in the form of a button, to detect the correct parking position of the workpiece carrier 18 in the docking station.
  • the correct parking position can be displayed on the docking station 20 by a signaling device 26 .
  • the docking station 20 is connected to the MES 14, in particular via a WLAN gateway 28, in order to log the parked workpiece carrier 18 into the MES 14.
  • the MES 14 can, in particular via the WLAN gateway 28, continue to transmit the identity of the workpiece carrier 18.
  • the identity can be determined by an identification sensor 30 .
  • the identification sensor 30 is preferably designed in the form of a camera in order to detect a code 32 on the workpiece carrier 18 .
  • the identification sensor 30 can be in the form of an RFID reader.
  • the docking station can have a height sensor 34 in order to detect the height of the workpiece carrier 18 and/or the workpiece 12 .
  • the detected height can be transmitted to the MES 14, in particular via the WLAN gateway 28.
  • a method 36 is carried out, in particular with the device 10, the method 36 having the following method steps:
  • the MES 14 can transfer workpieces 12 stored on the workpiece carriers 18 depending on the logged workpiece carriers 18 and/or load a machining program on a machine tool 38 .
  • Fig. 2 shows a perspective view of a device 10 with several receiving places 40a, 40b, 40c for one workpiece carrier 18a, 18b.
  • Figs. 3a-c each show a docking station 20. From Figs. 3a-c it can be seen that the docking station 20 is preferably of modular design with add-on locations 40a-c.
  • the docking station 20 has at least one receiving space 40a-c for the workpiece carriers 18, 18a , b up.
  • the docking station 20 can be expanded in a modular manner by at least one additional receiving space 40a-c.
  • the docking station 20 has a position sensor 24 connected to a manufacturing execution system (MES) 14, which is designed to report to the MES 14 the correct parking position of the workpiece carrier 18, 18a, b in the receiving space 40a-c.
  • MES manufacturing execution system
  • the MES 14 can be designed to cause and control a movement of a driverless transport vehicle 16 on the basis of this booking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Automatic Assembly (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

L'invention concerne un dispositif (10) et un procédé (36) pour stationner des porte-pièces dans une station d'accueil (20). La station d'accueil (20) comporte au moins un emplacement de réception pour les porte-pièces (18). De préférence, la station d'accueil (20) peut être étendue de manière modulaire au moyen d'au moins un autre emplacement de réception. La station d'accueil (20) présente un capteur de position (24) qui est relié à un système d'exécution de fabrication (MES) et qui est conçu pour signaler au MES (14) la position de stationnement correcte du porte-pièces (18) dans l'emplacement de réception. Le MES (14) peut être conçu pour déclencher et commander un mouvement d'un véhicule de transport sans conducteur (16) sur la base de cette réservation.
EP22714828.5A 2021-03-19 2022-03-15 Station d'accueil pour porte-pièces dans un système de transport sans conducteur Withdrawn EP4309012A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021202682.6A DE102021202682A1 (de) 2021-03-19 2021-03-19 Dockingstation für Werkstückträger in einem fahrerlosen Transportsystem
PCT/EP2022/056605 WO2022194813A1 (fr) 2021-03-19 2022-03-15 Station d'accueil pour porte-pièces dans un système de transport sans conducteur

Publications (1)

Publication Number Publication Date
EP4309012A1 true EP4309012A1 (fr) 2024-01-24

Family

ID=81325362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22714828.5A Withdrawn EP4309012A1 (fr) 2021-03-19 2022-03-15 Station d'accueil pour porte-pièces dans un système de transport sans conducteur

Country Status (5)

Country Link
US (1) US20230415288A1 (fr)
EP (1) EP4309012A1 (fr)
CN (1) CN117120949A (fr)
DE (1) DE102021202682A1 (fr)
WO (1) WO2022194813A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023117698A1 (de) * 2023-07-05 2025-01-09 Bär Automation Gmbh Verfahren zum Betrieb einer Fertigungsstrecke oder Matrixproduktion in der industriellen Produktion und mobile Produktionstransportvorrichtung zum Transport und zur Bereitstellung von Material, Betriebsmitteln und Werkstücken im industriellen Produktionsprozess

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5142280B2 (fr) * 1972-08-01 1976-11-15
ES2115912T3 (es) 1990-12-18 1998-07-01 Erowa Ag Sistema de fabricacion automatica.
JP3528934B2 (ja) * 1994-03-29 2004-05-24 マツダ株式会社 生産設備制御装置
WO1999002434A2 (fr) * 1997-07-07 1999-01-21 Robin Felder Systeme de ramassage et de livraison robotise
DE202005015118U1 (de) * 2005-09-23 2007-02-08 Kuka Schweissanlagen Gmbh Bearbeitungsanlage
US9901210B2 (en) * 2012-01-04 2018-02-27 Globalfoundries Singapore Pte. Ltd. Efficient transfer of materials in manufacturing
DE202016102149U1 (de) 2016-04-22 2017-07-26 Kuka Systems Gmbh Fertigungsanlage
KR20190075096A (ko) 2016-10-21 2019-06-28 트룸프 베르크초이그마쉬넨 게엠베하 + 코. 카게 금속가공 산업에서의 내부 개인 추적에 기초한 제조 제어
US11353858B2 (en) * 2019-01-18 2022-06-07 United States Postal Service Systems and methods for automated guided vehicle control
US11460845B2 (en) * 2019-04-12 2022-10-04 Teradyne, Inc. Logistics facility management system
DE102019214088B4 (de) 2019-09-16 2022-12-08 Deckel Maho Pfronten Gmbh Handhabungsvorrichtung für eine werkzeugmaschine, handhabungseinrichtung und handhabungssystem
US12572150B2 (en) * 2019-11-05 2026-03-10 Strong Force Vcn Portfolio 2019, Llc Robot fleet management for value chain networks

Also Published As

Publication number Publication date
DE102021202682A1 (de) 2022-09-22
US20230415288A1 (en) 2023-12-28
WO2022194813A1 (fr) 2022-09-22
CN117120949A (zh) 2023-11-24

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