EP2022605B1 - Support de pièce à usiner doté d'un bouton d'aération pour un dispositif de maintien du vide - Google Patents

Support de pièce à usiner doté d'un bouton d'aération pour un dispositif de maintien du vide Download PDF

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Publication number
EP2022605B1
EP2022605B1 EP20080012893 EP08012893A EP2022605B1 EP 2022605 B1 EP2022605 B1 EP 2022605B1 EP 20080012893 EP20080012893 EP 20080012893 EP 08012893 A EP08012893 A EP 08012893A EP 2022605 B1 EP2022605 B1 EP 2022605B1
Authority
EP
European Patent Office
Prior art keywords
suction head
holder
securing
valve
suction
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
EP20080012893
Other languages
German (de)
English (en)
Other versions
EP2022605A2 (fr
EP2022605A3 (fr
Inventor
Andreas Randecker
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.)
Festool GmbH
Original Assignee
Festool 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 Festool GmbH filed Critical Festool GmbH
Publication of EP2022605A2 publication Critical patent/EP2022605A2/fr
Publication of EP2022605A3 publication Critical patent/EP2022605A3/fr
Application granted granted Critical
Publication of EP2022605B1 publication Critical patent/EP2022605B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005—Vacuum work holders
    • B25B11/007—Vacuum work holders portable, e.g. handheld
    • 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
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

Definitions

  • the invention relates to a workpiece holder for a vacuum holding device for holding a workpiece by means of vacuum according to the preamble of claim 1.
  • a suction head is attached to a foot substructure.
  • a Tastventil is arranged at the suction head. The Tastventil allows a vacuum supply and thus suction when a workpiece is placed on the suction head.
  • the workpiece holder has or forms a suction head holder in which the feeler valve forms an integral part.
  • the suction head is replaceable on the workpiece holder, the feeler valve remains on the suction head holder.
  • a pneumatic connection between the Tastventil or the suction head, the workpiece holder and a vacuum source is easy to produce.
  • no hose lines must be led to a probe valve, which forms no part of the suction head but the suction head holder. Rather, the corresponding pneumatic lines can be guided directly to the workpiece holder or the suction head holder, where the Tastventil is arranged.
  • the suction head can be easily assembled. He needs, for example, no fastening means for the Tastventil.
  • the suction head holder has a clamping device for clamping the suction head. With the clamping device disengaged, the suction head is movable relative to the suction head holder, e.g. rotatable. Then, for example, the suction head can be removed from the suction head holder or, while remaining on the suction head holder, but be movable on this. This is an adjustment of the suction head, which during adjustment, e.g. holding a workpiece, simplified.
  • the suction head holder has a suction head receptacle, in particular a plug-in receptacle, for the attachment of the suction head. It is understood that the suction head can alternatively be screwed for example in the suction head receptacle or a screw / plug connection is provided.
  • the suction head holder has a securing device for securing the suction head.
  • the safety device keeps the suction head in its securing position captive on the suction head holder. Nevertheless, the suction head is movable on the holder. Only in a release position of the securing device, the suction head can be removed from the suction head holder.
  • the safety device prevents, for example, that when the clamping device of the suction head is not released from the suction head holder can be removed, but still remains mobile. Preferably, this is also possible with a sucked workpiece. This allows, for example, a fine positioning of the workpiece.
  • the passage opening of the suction head holder for the actuator is expediently arranged and / or dimensioned such that the suction head is movable relative to the suction head holder when the clamping device is released.
  • the suction head is then rotatable and / or displaceable.
  • a movement along a curved or linear path is also conceivable. Nevertheless, the suction head remains through the transversely, for example at right angles, to the suction direction with respect to the workpiece or transversely to the insertion in the suction head plug-in receptacle effective securing device secured to the suction head holder.
  • the sensing valve is centrally located on the suction head holder, wherein an eccentric arrangement would also be possible.
  • the actuator expediently penetrates the suction head in the center.
  • the central arrangement of the Tastventils allows, for example, a rotation of the suction head.
  • the feeler valve is arranged centrally on the suction head receptacle. When the clamping device is released, the suction head can be rotated around the centrally arranged feeler valve. The feeler valve forms, so to speak, the center of rotation for the suction head.
  • the clamping device advantageously includes a clamping ring or a kind of clamping sleeve which engages around a fastening portion of the suction head and biases in the holding position.
  • a quick tension or tension with a screw thread readily possible.
  • the feeler valve is expediently arranged in an inner space, in particular centrally, in the clamping ring.
  • the aforementioned clamping device and / or the securing device are expediently each tool-openable and closable.
  • the handling is very simple.
  • the suction head can be replaced without the aid of tools.
  • the securing device expediently contains a securing member which is movable transversely to an insertion direction of the suction head into the suction head receptacle, for example a bolt which, in the securing position, engages in a securing receptacle, in particular a securing groove, on the suction head.
  • the securing member is preferably spring-loaded in the direction of the securing position.
  • the securing member is automatically in the securing position when it faces when arranging, eg plugging, the suction head in the suction head holder of the securing groove or the fuse holder.
  • the securing groove advantageously extends at least over a partial circumference of a fastening section of the suction head.
  • the securing groove extends for example over a partial circumference of the fastening part.
  • the securing groove can also extend over an entire circumference of the fastening section or the fastening part.
  • the locking groove extends over a cylinder skirt periphery.
  • the locking groove is a kind of annular groove or partial annular groove, so that the suction head according to the longitudinal direction of the securing groove is movable, for example rotatable.
  • the suction head holder advantageously has a Tastventilgephase in which a valve member of the Tastventils is movably mounted.
  • the valve member comprises the actuator or is connected thereto or motion coupled.
  • the actuator protrudes in front of the valve member.
  • the valve member is expediently biased by a spring arrangement in its closed position.
  • the Tastventilgecher is for example pressed or screwed into a receptacle of a suction head holder housing of the suction head holder or workpiece holder. It is understood that the Tastventilgetude can also be integrally formed by a housing of the suction head holder.
  • valve member or the actuator preferably lateral air channels or recesses for passing the vacuum are present.
  • air flow characteristic of the valve member is improved, which is e.g. is advantageous for a quick evacuation and ventilation.
  • the Tastventilgephaseuse is suitably closed by a sealing plug.
  • the plug preferably has a valve seat, such as a tapered valve seat, for the valve member.
  • the assembly is thereby simplified: the valve member is e.g. introduced from the suction side of the Tastventils forth in the Tastventilgephaseuse and then closed with the stopper.
  • the actuator penetrates the sealing plug.
  • the suction head holder forms a fixed part of the workpiece holder or even integral with this.
  • the suction head holder is preferably movably mounted on the workpiece holder, for example by means of a pivot bearing pivotable and / or displaceable by means of a sliding bearing or the like, so that a fine positioning of the workpiece is simplified.
  • the suction head holder is advantageously detachable from the workpiece holder, e.g. to a maintenance.
  • a vacuum holding device 10 for holding workpieces for holding workpieces, such as wood parts to be processed, plastic parts, metal parts or the like, includes a workpiece holder 11 having a suction head 13 held on a suction head holder 12 for sucking a respective workpiece.
  • a vacuum generator device 14 generates a vacuum for sucking the workpiece. With a foot switch 15, the vacuum, which is present at a suction surface 16 of the suction head 13, can be switched.
  • the vacuum holding device 10 includes a plurality of components, each of which is easy to transport and so are available at the site, for example in a workshop, on a construction site or the like.
  • a vacuum pump 17 of the vacuum generator device 14 is arranged, for example, in a transport container 18, which is designed as a system transport container or transport case.
  • the transport container 18 fits to a system of other transport containers, for example, for the transport of Tools (drills, grinders and the like) are used.
  • the transport container 18 includes a box-like lower part 19 which is closable with a lid 20.
  • the vacuum pump 17 is arranged in a capsule insert 21, which completely encapsulates the vacuum pump 17 so that it is electrically insulated and is also soundproofed and protected against impact loading in the transport container 18.
  • the transport container 18 protects all in its internally arranged components, in particular the vacuum pump 17, and can be operated even when the lid 20 is closed. Namely, an operating area 23 and a connection area 24 for connecting further components and for operating the vacuum generator device 14 are provided on a side wall 22 of the transport container 18. There are as operating means 25, for example, an electrical on-off switch 26 and a pressure indicator or vacuum display 27, e.g. a pressure gauge or vacuum gauge, and as connection means 28, an electrical connection 29 for the power supply of the vacuum pump 17 and a vacuum connection 30.
  • the vacuum generating device 14 is operable from one side.
  • an air hose 31 for vacuum supply of the workpiece holder 11 can be connected to the vacuum port 30.
  • the air hose 31 advantageously has a quick coupling 31a, which can be plugged into a corresponding quick coupling 31b on the vacuum connection 30.
  • the workpiece holder 11 includes a Abstellbasis 32 for parking on a preferably flat surface.
  • the Abstellbasis could be fixed for example with screws to a substrate, for which screw holes 33 are preferably provided at their corner regions.
  • a Abstellfuß 34 are evacuated, so that the Abstellfuß 34 is firmly sucked on the ground.
  • a valve assembly 35 For switching the vacuum on the underside of the plate-like Abstellfußes 34, a valve assembly 35 is provided with a switching valve 36.
  • the valve arrangement 35 is arranged on an upper side of the Abstellfußes 34, so that it is easily accessible.
  • a switching element 37 of the switching valve 36 can be easily taken, which serves to switch the switching valve 36 between a holding position and a ventilation position.
  • the switching valve 36 connects a vacuum provided at a vacuum supply port 38 of the workpiece holder 11 via the air hose 31 to a parking foot port 39 of the valve assembly 35, so that the stand 34 is evacuated and sucks on a substrate.
  • the terminals 38, 39 are separated from each other, so that the vacuum at the Abstellfuß 34 is not maintained and thus the workpiece holder 11 can be removed from the ground.
  • the suction head holder 12 is movably mounted on the workpiece holder 11, in this case pivotally.
  • a pivot bearing base 40 from above, on which the suction head holder 12 is pivotally mounted.
  • Bearing pieces 41 of the suction head holder 12, such as bolts, are pivotally mounted in bearing receivers 42 on side parts 43 of the pivot bearing base 40 pivotally.
  • the Auflageraufnamen 42 are, for example, holes in the side walls designed as walls 43.
  • the bearing pieces 41 for example, engage in receptacles 48 of the suction head holder 12 a.
  • a pivot recess 45 for the suction head holder 12 and the suction head 13 is provided, so that the suction head 13 of the in FIG. 1 shown vertical position to the side in a substantially horizontal position can be pivoted.
  • the pivoting range of the suction head 13 is extended, for example to a range of about 90 °.
  • a non-visible locking device such as a clamping screw, a clamping lever or the like on the in FIG. 1 side facing away from the viewer 43.
  • the locking device for pivotal fixing of the suction head holder 12 engages, for example, in a pivot guide 46 of a guide plate 47 of the suction head holder 12 a.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)

Claims (13)

  1. Support de pièce à usiner pour un dispositif de maintien du vide (10) destiné à maintenir une pièce à usiner au moyen du vide, avec une tête d'aspiration (13) et avec un bouton d'aération (63) qui présente un organe d'actionnement (64) faisant saillie d'une surface d'aspiration (16) de la tête d'aspiration (13) laquelle surface est prévue pour aspirer une pièce à usiner, à l'actionnement duquel organe le bouton d'aération (63) ouvre une liaison fluidique (65) vers un raccord à vide (66) du support de pièce à usiner (11) pour générer un vide au niveau de la surface d'aspiration (16) de la tête d'aspiration (13), dans lequel le bouton d'aération (63) fait partie d'un support de tête d'aspiration (12) destiné à maintenir la tête d'aspiration (13), dans lequel la tête d'aspiration (13) est un élément fixé de façon amovible au niveau du support de tête d'aspiration (12) et pouvant être démonté de celui-ci, et dans lequel la tête d'aspiration (13) présente une ouverture de passage (76) pour l'organe d'actionnement (64), caractérisé en ce que le support de tête d'aspiration (12) présente un dispositif de serrage (62) permettant de serrer la tête d'aspiration (13) et en ce que la tête d'aspiration (13) est mobile par rapport au support de tête d'aspiration (12) lorsque le dispositif de serrage (62) avec une pièce à usiner aspirée est desserré.
  2. Support de pièce à usiner selon la revendication 1, caractérisé en ce que le support de tête d'aspiration (12) présente un logement de tête d'aspiration (60), en particulier un logement d'enfichage (59), pour la tête d'aspiration (13).
  3. Support de pièce à usiner selon la revendication 1 ou 2, caractérisé en ce que le bouton d'aération (63) est disposé au centre du support de tête d'aspiration (12), en particulier du logement de tête d'aspiration (60).
  4. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que l'ouverture de passage (76) pour l'organe d'actionnement (64) est disposée et/ou dimensionnée de telle sorte que la tête d'aspiration (13) est mobile par rapport au support de tête d'aspiration (12) lorsque le dispositif de serrage (62) est desserré.
  5. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de serrage (62) comporte un anneau de serrage (86) qui entoure une section de fixation (51) de la tête d'aspiration (13) et la serre dans la position d'arrêt.
  6. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le bouton d'aération (63) est disposé à l'intérieur de l'anneau de serrage (86).
  7. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le support de tête d'aspiration (12) présente un dispositif de blocage (61) permettant de bloquer la tête d'aspiration (13), en ce que la tête d'aspiration (13) est bloquée de manière imperdable au niveau du support de tête d'aspiration (12) dans une position de blocage du dispositif de blocage (61), mais est mobile et peut être démontée du support de tête d'aspiration (12) dans une position de libération du dispositif de blocage (61).
  8. Support de pièce à usiner selon la revendication 7, caractérisé en ce que la tête d'aspiration (13) est mobile par rapport au support de tête d'aspiration (12) lorsque le dispositif de serrage (62) avec une pièce à usiner aspirée est desserré et lorsque le dispositif de blocage (61) est en même temps en position de blocage et est maintenue de manière imperdable au niveau du support de tête d'aspiration (12).
  9. Support de pièce à usiner selon l'une quelconque des revendications 7 ou 8, caractérisé en ce que le dispositif de blocage (61) présente un organe de blocage (93) mobile transversalement à un sens d'introduction de la tête d'aspiration (13) dans le logement de tête d'aspiration (60), lequel organe vient en prise dans la position de blocage dans un logement de blocage, en particulier une rainure de blocage (94) au niveau de la tête d'aspiration (13).
  10. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de serrage (62) et/ou le dispositif de blocage (61) peuvent être ouverts et fermés sans outil.
  11. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il y a au niveau d'une valve (67) du bouton d'aération (63) et/ou au niveau de l'organe d'actionnement (64) des canaux d'air latéraux (67a) permettant de laisser passer le vide.
  12. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le support de tête d'aspiration (12) présente un boîtier de bouton d'aération, dans lequel est logée de manière mobile une valve (67) du bouton d'aération (63) et en ce que la valve (67) comporte l'organe d'actionnement (64) ou est reliée à celui-ci, le boîtier de bouton d'aération étant fermé en particulier par un bouchon de fermeture (74) qui comprend un siège de valve (69) en particulier conique pour la valve (67).
  13. Support de pièce à usiner selon l'une quelconque des revendications précédentes, caractérisé en ce que le support de tête d'aspiration (12) est logé de manière mobile, en particulier pivotante, au niveau du support de pièce à usiner (11).
EP20080012893 2007-08-08 2008-07-17 Support de pièce à usiner doté d'un bouton d'aération pour un dispositif de maintien du vide Ceased EP2022605B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710037338 DE102007037338A1 (de) 2007-08-08 2007-08-08 Werkstück-Halter mit Tastventil für eine Vakuumhaltevorrichtung

Publications (3)

Publication Number Publication Date
EP2022605A2 EP2022605A2 (fr) 2009-02-11
EP2022605A3 EP2022605A3 (fr) 2009-10-14
EP2022605B1 true EP2022605B1 (fr) 2011-11-23

Family

ID=39869730

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080012893 Ceased EP2022605B1 (fr) 2007-08-08 2008-07-17 Support de pièce à usiner doté d'un bouton d'aération pour un dispositif de maintien du vide

Country Status (2)

Country Link
EP (1) EP2022605B1 (fr)
DE (1) DE102007037338A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013104890A1 (de) * 2013-05-13 2014-11-13 Mkm International Gmbh Maschinenbau Verfahren zur Konturenbearbeitung eines Werkstücks sowie Vorrichtung zur Durchführung des Verfahrens
CN112223160A (zh) * 2020-10-19 2021-01-15 京山亿捷电脑有限公司 一种用于笔记本电脑的外壳夹持装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923177A (en) * 1973-06-21 1975-12-02 Little Giant Products Inc Vacuum lift apparatus with a control valve assembly
DE8306985U1 (de) * 1983-03-10 1983-07-28 J. Schmalz KG, 7296 Glatten Arbeitstisch
DE8713953U1 (de) * 1987-10-17 1987-12-23 Preh, Industrieausrüstungen GmbH, 8740 Bad Neustadt Vakuum-Saugkopf
DE4017983A1 (de) * 1990-06-05 1991-12-12 Airbus Gmbh Vorrichtung zum einrichten und spannen von werkstuecken
JP3797577B2 (ja) * 1997-10-20 2006-07-19 Ｓｍｃ株式会社 吸着装置
US6502808B1 (en) * 1999-09-30 2003-01-07 The Boeing Company Vacuum cup with precision hard stop
DE10119029A1 (de) * 2001-04-18 2002-10-24 Fezer Maschf Albert Vakuum-Spannvorrichtung
ITBO20050376A1 (it) * 2005-05-31 2006-12-01 Jobs Spa Dispositivo di supporto per impegnare oezzi in lavorazione

Also Published As

Publication number Publication date
EP2022605A2 (fr) 2009-02-11
DE102007037338A1 (de) 2009-02-19
EP2022605A3 (fr) 2009-10-14

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