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WO2024125869A1 - Unité d'antenne destinée à être accouplée à une machine-outil - Google Patents

Unité d'antenne destinée à être accouplée à une machine-outil Download PDF

Info

Publication number
WO2024125869A1
WO2024125869A1 PCT/EP2023/079757 EP2023079757W WO2024125869A1 WO 2024125869 A1 WO2024125869 A1 WO 2024125869A1 EP 2023079757 W EP2023079757 W EP 2023079757W WO 2024125869 A1 WO2024125869 A1 WO 2024125869A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
antenna
antenna unit
machine tool
coupling
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.)
Ceased
Application number
PCT/EP2023/079757
Other languages
German (de)
English (en)
Inventor
Gerd Scheying
Uwe Wostradowski
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2024125869A1 publication Critical patent/WO2024125869A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/04—Protective covers for the grinding wheel
    • 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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/043—Accessories for spindle drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/028—Angle tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B24B49/10—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers

Definitions

  • the invention relates to an antenna unit for coupling to a machine tool, in particular an angle grinder, with an antenna for communication with a transponder, in particular arranged on a tool device, and with a coupling unit for at least mechanically connecting the antenna to the machine tool in the region of a tool holder of the machine tool.
  • the antenna can be designed to be connected to a short-range
  • T ransponder in particular an RFID transponder.
  • the transponder is designed, for example, as an RFID transponder.
  • the antenna is preferably provided to wirelessly transmit energy and a digital signal to the RFID transponder.
  • the antenna can receive a response signal from the transponder.
  • the antenna unit can have further components, such as coils or capacitors, which are connected in series and/or parallel to the antenna. Alternatively, the antenna unit can have connections which are provided to be connected to coils or capacitors.
  • the coupling unit preferably has at least one mechanical connecting element.
  • the mechanical connecting element is provided to establish a screw connection, a plug connection, a clamp connection and/or an adhesive connection with the machine tool, in particular a corresponding connecting element of the machine tool.
  • the coupling unit has a signal transmission unit which is provided to transmit signals to the machine tool.
  • the signal transmission unit has an ohmic interface, in particular a plug interface or a soldering interface.
  • the signal transmission unit can be provided to establish a wireless connection with the machine tool, in particular with a control unit of the machine tool.
  • the signal transmission unit has a secondary antenna which is provided to receive radio signals from the machine tool and/or to send radio signals to the machine tool.
  • a tool device is to be understood in particular as a tool per se or a coupling unit for carrying a tool.
  • the tool can in particular be designed as a grinding wheel, saw blade, sandpaper, drill, polishing agent or similar.
  • the tool device can in particular be designed as a carrier plate for sanding and/or polishing paper.
  • An arrangement “in the area” of the tool holder is to be understood in particular to mean that the antenna is arranged a maximum of 5 cm, in particular a maximum of 2 cm, preferably a maximum of 1 cm, away from the tool holder.
  • the inventive design of the antenna unit enables the machine tool to communicate with transponders, which are arranged on tools. In particular, this can lead to increased user comfort or improved safety.
  • the antenna is provided to be arranged in a ring around a tool axis of the tool holder and/or in a ring around the tool holder itself.
  • a "tool axis" is to be understood in particular as an axis around and/or along which a tool and/or the tool device is driven by the tool holder. For example, the tool or the tool device is moved along the tool axis in order to be received in the tool holder. This makes it possible in particular to achieve communication with the transponder regardless of the position of the transponder.
  • the antenna unit advantageously has a carrier on and/or in which the antenna is arranged.
  • the carrier is preferably ring-like or ring-shaped. This makes it possible to achieve a stable design in particular.
  • the carrier be designed as a protective component, in particular as a protective hood, for at least partially enclosing the tool device while it is arranged in the tool holder.
  • a protective component in particular as a protective hood
  • the carrier can be designed as a circuit board and the antenna as a conductor track in and/or on the circuit board. This makes it possible to achieve a particularly cost-effective design.
  • the antenna can have at least one loop.
  • the loop is arranged on a radial inner side of the carrier.
  • the radial inner side points in particular towards the tool axis.
  • the loop winds along its course partly in a first direction around the tool axis and partly in a direction opposite to the first direction around the tool axis.
  • the loop advantageously winds around less than 360° of the tool axis, particularly in each direction.
  • at least one angular area of the tool axis is not surrounded by the loop. This makes it possible to achieve a cost-effective design.
  • the loop winds around the tool axis by more than 200°, in particular more than 300°, preferably more than 340°. This makes it possible to achieve a high level of coverage.
  • the antenna can have several, in particular more than five, for example less than ten, turns that wind around the tool axis in the same direction.
  • the antenna can be free of sections that wind around the tool axis in a direction opposite to the direction. This makes it possible to achieve good signal transmission to and/or from the transponder.
  • a machine tool is proposed with a tool holder for receiving a tool device and for transmitting a movement, in particular a rotary movement, to the tool device, in particular about a tool axis, and with a coupling interface for coupling to a previously described antenna unit.
  • the machine tool is an electric machine tool.
  • the machine tool is advantageously a hand-held machine tool.
  • the machine tool can be designed as a hand-held machine tool.
  • the machine tool is designed as an angle grinder.
  • the machine tool can be designed as a circular saw, in particular a table or hand-held circular saw, as a miter saw, as a jigsaw, as a drilling machine, in particular as a hand or table drilling machine, or similar.
  • the coupling interface has at least one signal unit that is provided to receive signals from the antenna unit.
  • the signal unit has one or more capacitors and/or coils to tune a transmission frequency of the antenna of the antenna unit.
  • the machine tool has a control unit that is coupled to the signal unit and that is provided to a signal received by the signal unit, at least one operating parameter, in particular a power limitation and/or a speed limitation, of the machine tool.
  • the machine tool has an antenna unit as described above, which is coupled to the interface.
  • the antenna unit is permanently installed.
  • the antenna unit can be easily removed, exchanged and/or attached by an operator, in particular without tools and/or with a few simple steps, preferably reversibly. In particular, a high level of convenience can be achieved in this way.
  • the antenna unit according to the invention, the machine tool according to the invention and the system according to the invention should not be limited to the application and embodiment described above.
  • the antenna unit according to the invention, the machine tool according to the invention and the system according to the invention can have a number of individual elements, components and units that differs from the number stated herein in order to fulfill a function described herein.
  • values within the stated limits should also be considered disclosed and can be used as desired.
  • Fig. 1 shows a system according to the invention comprising a machine tool according to the invention and an antenna unit according to the invention, in a perspective view,
  • FIG. 2 the system from Figure 1 in a sectional view
  • Fig. 3 is a detailed view of a tool holder of the machine tool according to Figure 1,
  • Fig. 4 is a detailed view of the antenna unit according to the invention and Fig. 5 is a detailed view of an antenna unit according to the invention.
  • Figure 1 shows a system with a machine tool 10 and an antenna unit 20.
  • the machine tool 10 is designed as an angle grinder.
  • the machine tool 10 has a tool holder 12 for holding a tool device 14.
  • the tool holder 12 is used to transmit a movement to the tool device 14.
  • the tool holder 12 is provided to transmit a rotary movement about a tool axis 13 to the tool device 14.
  • the machine tool 10 also has a coupling interface for coupling to an antenna unit 20.
  • the machine tool 10 has the antenna unit 20.
  • the tool device 14 is, for example, a grinding cutting disc.
  • a transponder 15 is arranged on the tool device.
  • the transponder 15 is a short-range transponder.
  • the transponder 15 is an RFID transponder.
  • the transponder 15 serves to identify the tool device 14.
  • the transponder 15 is provided to transmit an identifier to the antenna unit 20 and/or the machine tool 10, which provides information about a type of tool device 14 or which reproduces certain operating parameters, in particular those provided for the tool device 14.
  • the antenna unit 20 is provided for coupling to the machine tool 10.
  • the antenna unit 20 has an antenna 22 for communication with the transponder 15 (see Figure 4).
  • the antenna unit 20 also has a coupling unit for at least mechanically connecting the antenna 22 to the machine tool 10 in the area of the tool holder 12.
  • the antenna 22 is intended to be arranged in a ring around the tool axis 13 of the tool holder 12 (see Figure 4).
  • the antenna 22 is intended to be arranged in a ring around the tool holder 12.
  • the antenna unit 20 has a carrier 24.
  • the carrier 24 is designed like a ring.
  • the carrier 24 encloses the tool axis 13.
  • the antenna 22 is arranged on the carrier 24.
  • the carrier 24 is made of a plastic.
  • the carrier 24 is glued to a protective component 16.
  • the protective component 16 is designed as a protective cover.
  • the protective component 16 is designed as part of the antenna unit 20. Alternatively, the protective component can be part of the machine tool.
  • the protective component 16 is intended to at least partially enclose the tool device 14 while it is arranged in the tool holder 12.
  • the protective component 16 is made of a metal.
  • the protective component 16 is intended, for example, to protect an operator from material chips, material splinters or flying sparks.
  • the protective component itself can form the carrier for the antenna and/or the carrier can be made in one piece with the protective component.
  • the antenna could be formed in a material of the protective component by means of a laser process.
  • the antenna 22 has a loop.
  • the loop forms a curved dipole.
  • the loop is arranged on a radial inner side of the carrier 24.
  • the antenna 22 is formed by the loop.
  • the loop winds along its course partly in a first direction around the tool axis 13 and partly in a direction opposite to the first direction around the tool axis 13.
  • the antenna 22 has two reversal regions at which the direction of the course of the loop changes.
  • the carrier can be designed with slots in an angular region in which no loop is arranged, in particular between the reversal regions, for example in order to provide clearance for a clamping mechanism of the protective component which fastens it to the machine tool.
  • the loop winds around more than 340° of the tool axis 13.
  • the coupling unit has a screw terminal that fastens the protective component to the machine tool 10.
  • the coupling unit also has a connector by means of which the antenna 22 is connected to the machine tool 10 via ohmic conductors.
  • FIG. 5 A further embodiment of the invention is shown in Figure 5.
  • the following descriptions and the drawings are essentially limited to the differences between the embodiments, whereby with regard to identically designated components, in particular with regard to components with the same reference numerals, reference is also generally made to the drawings and/or the description of the other embodiments, in particular Figures 1 to 4. To distinguish the embodiments, the letter a is placed after the reference numerals of the embodiment in Figure 5
  • FIG. 5 shows a further antenna unit 20a.
  • the antenna unit 20a has an antenna 22a and a carrier 24a.
  • the carrier 24a is designed as a circuit board and the antenna 22a is designed as a conductor track.
  • the conductor track is formed in and/or on the circuit board.
  • the antenna 22a has several, in this case 8, turns which wind in the same direction around a tool axis 13a.
  • a coupling unit of the antenna unit 20a has a wireless signal transmission unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne une unité d'antenne destinée à être accouplée à une machine-outil (10), en particulier une meuleuse d'angle, ayant une antenne (22) pour une communication avec un transpondeur (15), en particulier disposé sur un dispositif d'outil (14), et ayant une unité d'accouplement destinée à relier au moins mécaniquement l'antenne (22) à la machine-outil (10) dans la région d'un porte-outil (12) de la machine-outil (10).
PCT/EP2023/079757 2022-12-13 2023-10-25 Unité d'antenne destinée à être accouplée à une machine-outil Ceased WO2024125869A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022213563.6A DE102022213563A1 (de) 2022-12-13 2022-12-13 Antenneneinheit zur Kopplung mit einer Werkzeugmaschine
DE102022213563.6 2022-12-13

Publications (1)

Publication Number Publication Date
WO2024125869A1 true WO2024125869A1 (fr) 2024-06-20

Family

ID=88650730

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/079757 Ceased WO2024125869A1 (fr) 2022-12-13 2023-10-25 Unité d'antenne destinée à être accouplée à une machine-outil

Country Status (2)

Country Link
DE (1) DE102022213563A1 (fr)
WO (1) WO2024125869A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424821B1 (en) * 1997-02-14 2002-07-23 Nt Engineering Kabushiki Kaisha Working machine and its communication method
DE102011105306A1 (de) * 2011-06-22 2012-12-27 Robert Bosch Gmbh Tragbares Werkzeug mit drahtloser Messwertübertragung
WO2018160658A2 (fr) * 2017-02-28 2018-09-07 3M Innovative Properties Company Produit abrasif communiquant avec un outil abrasifs
EP3943237A1 (fr) * 2020-07-20 2022-01-26 SCM Group S.p.A. Machine d'usinage de pièces en bois et similaires, dotée d'un système de reconnaissance d'outils et système de reconnaissance d'outils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029133A1 (de) 2000-06-14 2002-01-03 Hilti Ag Elektrohandwerkzeuggerät mit Werkzeug
DE102004013615A1 (de) 2004-03-19 2005-10-13 Siemens Ag Betriebsverfahren für eine von einer Steuereinrichtung gesteuerte Werkzeugmaschine
DE102008015739A1 (de) 2008-03-26 2009-10-01 E. Zoller GmbH & Co. KG Einstell- und Messgeräte Werkzeugfutteraufnahmeeinheit
JP6397499B2 (ja) 2013-09-12 2018-09-26 ライシャウァー アーゲー 工作機械用の金属製交換可能部品のｒｆｉｄ識別

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6424821B1 (en) * 1997-02-14 2002-07-23 Nt Engineering Kabushiki Kaisha Working machine and its communication method
DE102011105306A1 (de) * 2011-06-22 2012-12-27 Robert Bosch Gmbh Tragbares Werkzeug mit drahtloser Messwertübertragung
WO2018160658A2 (fr) * 2017-02-28 2018-09-07 3M Innovative Properties Company Produit abrasif communiquant avec un outil abrasifs
EP3943237A1 (fr) * 2020-07-20 2022-01-26 SCM Group S.p.A. Machine d'usinage de pièces en bois et similaires, dotée d'un système de reconnaissance d'outils et système de reconnaissance d'outils

Also Published As

Publication number Publication date
DE102022213563A1 (de) 2024-06-13

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