WO2003049896A1 - Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant - Google Patents

Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant Download PDF

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Publication number
WO2003049896A1
WO2003049896A1 PCT/IB2001/002380 IB0102380W WO03049896A1 WO 2003049896 A1 WO2003049896 A1 WO 2003049896A1 IB 0102380 W IB0102380 W IB 0102380W WO 03049896 A1 WO03049896 A1 WO 03049896A1
Authority
WO
WIPO (PCT)
Prior art keywords
chuck
electric chuck
electric
holder
machining head
Prior art date
Application number
PCT/IB2001/002380
Other languages
English (en)
Inventor
Sascha Mantovani
Original Assignee
Sascha Mantovani
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 Sascha Mantovani filed Critical Sascha Mantovani
Priority to PCT/IB2001/002380 priority Critical patent/WO2003049896A1/fr
Priority to AU2002222330A priority patent/AU2002222330A1/en
Publication of WO2003049896A1 publication Critical patent/WO2003049896A1/fr

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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/12—Arrangements for cooling or lubricating parts of the machine
    • B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
    • B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0018—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0063—Connecting non-slidable parts of machine tools to each other
    • B23Q1/0081—Connecting non-slidable parts of machine tools to each other using an expanding clamping member insertable in a receiving hole

Definitions

  • the present invention relates to the field of highly automated machine tools and relates in particular to a machining head comprising an electric chuck for holding tools, fixed on a holder provided on the machine, and equipped with a cooling system with forced circulation of a liquid coolant.
  • an electric chuck contains cables whose terminals are to be connected to the same number of terminals on the machine tool, by a conventional plug and socket system, and at least two, but usually more, inlet and outlet ducts for the liquid coolant, these ducts being connected in a sealed way by known methods to other liquid delivery and recovery ducts of the liquid supply system of the machine tool. Consequently, even if an electric chuck is fitted automatically to its holder, thus reducing the fitting time, the total set-up time, which is considered as dead time for the purposes of the machining cycle, is relatively long because of the time required for the manual closing of the said electrical and liquid circuits.
  • the inventor of the present invention has devised a machining head to which an electric chuck as- described above can be fitted (automatically or otherwise) , and in which the electric chuck has one surface to which all the terminal sections of the said electrical and liquid circuits are fitted, this surface, when the electric chuck is fitted, facing and being pressed against a surface of the holder on which the conductors and ducts of the power supply and cooling systems of the machine tools terminate.
  • the said terminal sections on the electric chuck are positioned in such a way as to form a perfect mirror image of the electrical and liquid terminals of the holder, in other words in such a way that, when the electric chuck is fitted, the corresponding circuits are closed by their connectors, which for example are of the male/female type.
  • the inventor has succeeded in devising a machining head for a machine tool in which the electric chuck and the corresponding holder act automatically as a plug and socket system for the electrical circuit and, in a broader sense, for the cooling liquid circuit.
  • the manual set-up time has thus been reduced to zero, yielding a considerable saving in production costs, and eliminating even the remote possibility that an operator might make the aforesaid connections in an inaccurate or unreliable way.
  • a machining head 1 of a machine tool (not shown in its entirety) is provided with a holder 3 for connection to an electric chuck 2 for holding tools, the chuck being fixed on the holder by known methods .
  • the power supply circuit of the electric motor 4 and the corresponding cooling system 5, with forced circulation of a liquid 6, are installed in the electric chuck 2.
  • the said power supply circuit terminates in sockets having their terminal sections 4i facing outwards and located on an outer surface 2z of the electric chuck 2 which is perpendicular to the axis Z-Z of the chuck.
  • these ducts also terminate outwardly on the electric chuck 2 with terminal sections 5i which open on the previously described surface 2Z. (See also Figure 2, which shows a possible arrangement of the said terminal sections 4i and 5i) .
  • the said terminal sections 4i and 5i face and are pressed against similar terminal sections 14i and 15i of an electrical circuit and a cooling liquid circuit 15 of the machine tool, these similar sections being located on a surface 3Z of the of the holder 3 which presses against the said surface 2Z of the electric chuck 2.
  • the pins lOi of the holder 3 are thus inserted into the sockets of the electric chuck 2, and the terminal sections 5i and 15i of the cooling systems 5 and 15 are pressed against each other in such a way as to create a tight seal.
  • the pins lOi do not project from the holder 3, since they are of the retractable type, and are made to emerge only when the said two surfaces 2Z of the electric chuck 2 and 3Z of the holder 3 are facing each other.
  • Other types of pin or male-female electrical connection of a known type can be used without any problems .
  • Figure 2 shows how, since the electric motor 4 is supplied by a three-phase current, there is a total of four terminal sections 4i of the circuit of the electric motor 4 (three for the current plus one neutral cable) .
  • four further terminals 7m are fitted for the supply to an electrical instrument for monitoring the temperature and other parameters, these terminals being connected to the same number of terminals 17m on the surface 3Z of the holder 3.
  • terminal sections 5i for the passage of the liquid coolant ⁇ .
  • the number of the said terminal sections 4i and 5i can also be different, and they can be positioned in a different way from that shown in the drawings, according to the operating characteristics of the machining head 1 and the corresponding electric chuck 2.
  • the machining head 1 makes it possible to connect the electric chuck 2 and associated circuits "automatically”, in other words without any manual intervention, thus achieving the object identified by the inventor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

L'invention concerne une tête d'usinage (1) pour une machine-outil (10), qui comprend un mandrin électrique (2) destiné à porter des outils, fixé à un support (3) de la machine-outil, ce mandrin électrique (2) possédant un moteur électrique (4) et un système de refroidissement (5) avec circulation forcée d'un liquide (6). Cette tête d'usinage est caractérisée par le fait que les sections terminales (4i et 5i) du circuit du moteur électrique (4) et du circuit du système de refroidissement (5) du mandrin électrique (2) sont placées sur une surface (2z) du mandrin de façon qu'elles (4i et 5i) soient axialement pressées contre le même nombre de sections terminales (14i et 15i) d'un circuit électrique (7) et d'un circuit de liquide (15) de la machine outil, fixées sur une surface (3z) du support (3) opposée à la zone (2z) du mandrin électrique (2) et pressée contre cette dernière lorsque le mandrin est fixé sur le support (3).
PCT/IB2001/002380 2001-12-10 2001-12-10 Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant WO2003049896A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/IB2001/002380 WO2003049896A1 (fr) 2001-12-10 2001-12-10 Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant
AU2002222330A AU2002222330A1 (en) 2001-12-10 2001-12-10 Machining head with electric chuck and corresponding cooling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2001/002380 WO2003049896A1 (fr) 2001-12-10 2001-12-10 Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant

Publications (1)

Publication Number Publication Date
WO2003049896A1 true WO2003049896A1 (fr) 2003-06-19

Family

ID=11004224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2001/002380 WO2003049896A1 (fr) 2001-12-10 2001-12-10 Tete d'usinage avec mandrin electrique et systeme de refroidissement correspondant

Country Status (2)

Country Link
AU (1) AU2002222330A1 (fr)
WO (1) WO2003049896A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2564994A1 (fr) * 2011-09-02 2013-03-06 Siemens VAI Metals Technologies GmbH Dispositif de couple pour l'accouplement automatisé d'un support d'outil sur un support de fixation d'outils

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2303101A (en) * 1940-07-09 1942-11-24 Lucien I Yeomans Inc Chuck
US4525918A (en) * 1982-04-16 1985-07-02 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung Two component tool holder, especially for a machine tool or robot
US4636135A (en) * 1983-03-11 1987-01-13 Societe Syspro Tool-holder for industrial robot
US4758006A (en) * 1986-02-25 1988-07-19 Smw Schneider & Weisshaupt Gmbh Apparatus for operating the clamping jaws of a chuck
JPH02116486A (ja) * 1988-10-25 1990-05-01 Ohara Kk ロボット用ガンチェンジャ
US5906378A (en) * 1996-03-05 1999-05-25 System 3R International Ab Coupling adapter
EP0925862A1 (fr) * 1997-02-21 1999-06-30 Hitachi Seiki Co., Ltd. Mandrin electrique pour machine-outil et procede d'ouverture ou de fermeture d'un cliquet de serrage dudit mandrin
EP1099520A1 (fr) * 1999-10-13 2001-05-16 Truconex Engineering Systeme de connection tournant pour un robot

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2303101A (en) * 1940-07-09 1942-11-24 Lucien I Yeomans Inc Chuck
US4525918A (en) * 1982-04-16 1985-07-02 Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung Two component tool holder, especially for a machine tool or robot
US4636135A (en) * 1983-03-11 1987-01-13 Societe Syspro Tool-holder for industrial robot
US4758006A (en) * 1986-02-25 1988-07-19 Smw Schneider & Weisshaupt Gmbh Apparatus for operating the clamping jaws of a chuck
JPH02116486A (ja) * 1988-10-25 1990-05-01 Ohara Kk ロボット用ガンチェンジャ
US5906378A (en) * 1996-03-05 1999-05-25 System 3R International Ab Coupling adapter
EP0925862A1 (fr) * 1997-02-21 1999-06-30 Hitachi Seiki Co., Ltd. Mandrin electrique pour machine-outil et procede d'ouverture ou de fermeture d'un cliquet de serrage dudit mandrin
EP1099520A1 (fr) * 1999-10-13 2001-05-16 Truconex Engineering Systeme de connection tournant pour un robot

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 335 (M - 1000) 19 July 1990 (1990-07-19) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2564994A1 (fr) * 2011-09-02 2013-03-06 Siemens VAI Metals Technologies GmbH Dispositif de couple pour l'accouplement automatisé d'un support d'outil sur un support de fixation d'outils

Also Published As

Publication number Publication date
AU2002222330A1 (en) 2003-06-23

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