EP0604339B1 - Articulated means for wedging - Google Patents

Articulated means for wedging Download PDF

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Publication number
EP0604339B1
EP0604339B1 EP93470032A EP93470032A EP0604339B1 EP 0604339 B1 EP0604339 B1 EP 0604339B1 EP 93470032 A EP93470032 A EP 93470032A EP 93470032 A EP93470032 A EP 93470032A EP 0604339 B1 EP0604339 B1 EP 0604339B1
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EP
European Patent Office
Prior art keywords
fixing element
joint
element according
articulated fixing
articulated
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.)
Expired - Lifetime
Application number
EP93470032A
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German (de)
French (fr)
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EP0604339A1 (en
Inventor
Christophe Boiteaux
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Individual
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Individual
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Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the present invention relates to a hinged wedging element for use on a workbench, machine table, vacuum table or the like.
  • a sealing system in the form of a grid or a grid is also known, described in document DE-2,258,007. It is made of rubber and undergoes compression during the suction of the part. This device therefore does not allow the precise raising of a part to a predetermined level, certain types of work are therefore not allowed. In addition, it is neither articulated nor adaptable to the shape of a part.
  • a template corresponds to a fixed part profile and it is necessary to produce a template for each new type of part, which results in significant production and material costs and a storage problem.
  • the object of the invention is to overcome all the drawbacks of the prior art.
  • the invention consists of an element of articulated wedging for use on a workbench, machine table, vacuum table or the like, characterized in that it is composed of a flexible joint comprising, for raising a piece to a predetermined height H, rigid raising elements distributed over the length of the joint and separated from each other by functional clearances allowing the wedging element to be bent.
  • enhancement elements are not limited to studs arranged in two symmetrically on either side of the flexible joint, two consecutive studs being separated by a functional gap.
  • These studs have, without limitation, a section in an isosceles right triangle with an upper groove and a lower extension, the flexible joint of which protrudes.
  • the articulated joint (1) is composed of a flexible joint (2), for example made of foam, on the flanks of which identical studs (3) are bonded, symmetrically arranged with respect to the foam joint (2).
  • the pads are arranged in groups of two face to face. Two groups of studs are separated from each other by a functional interval (7) calculated to allow the articulated joint (1) to be bent.
  • the vacuum zone is defined, chosen according to the shape of the part, by introducing it by its extensions (6) in the grooves of the table.
  • the bases (8) are supported on the upper planes of the table.
  • the lower projecting part (9) is crushed at the bottom of the groove for the lower seal.
  • the extensions (6) achieve blocking.
  • the upper projecting part (10) will be crushed by the part for the upper seal.
  • an angle such as (11) two lateral faces of two successive studs are supported one on the other thanks to their inclination at 45 ° relative to the foam seal (2).
  • the grooves (5), extension (6) protruding parts (9) (10) can be eliminated and the elements for raising or studs (3) can be arranged on only one of the two lateral faces of the joint (2 ).
  • the height of the joint (2) is substantially that of the raising elements (H) of a part.
  • the articulated joint is given the shape adapted to that of the part, the surplus (12) not equipped with studs ensuring the tightness on the first stud.
  • This variant can be used on a smooth metallic or magnetic table in combination with magnetic or metallic studs.
  • magnetism is used to hold the seal in place between two changes of parts and to prevent the closed area from shrinking under the effect of a vacuum supplied by the suction mouth (13).

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  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Jigs For Machine Tools (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Dowels (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Machine Tool Units (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Gasket Seals (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Compressor (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention relates to an articulated wedging element (1) for use on a workbench, a machine bed, a suction table or the like, characterised in that it is composed of a flexible joint (2) including, in order to raise a workpiece up to a predetermined height H, rigid raiser pieces (3) distributed on at least one of the flanks of the joint (2) and separated from one another by functional clearances allowing the wedging element (1) to be bent. <IMAGE>

Description

La présente invention concerne un élément de calage articulé pour utilisation sur un établi, une table de machine, une table à dépression ou analogue.The present invention relates to a hinged wedging element for use on a workbench, machine table, vacuum table or the like.

Actuellement on connait déjà des machines pour l'usinage, le défonçage du bois ou autre équipées de tables à dépression. Ces tables sont rainurées à un pas prédéterminé et un joint caoutchouc introduit dans les rainures de la table permet de délimiter une zone sur laquelle on maintient une pièce par dépression à travers des trous de la table cf. par exemple US-A-3 652 075. L'inconvénient majeur du dispositif est qu'il ne permet pas de surélever la pièce, donc certains types de travaux ne sont pas possibles comme par exemple le perçage de la pièce.Currently we already know machines for machining, wood ripping or other equipped with vacuum tables. These tables are grooved at a predetermined pitch and a rubber seal introduced into the grooves of the table makes it possible to delimit an area on which a part is held by vacuum through holes in the table cf. for example US-A-3,652,075. The major drawback of the device is that it does not make it possible to raise the part, therefore certain types of work are not possible, such as for example drilling the part.

On connait également un système d'étanchéité en forme de grille ou de quadrillage, décrit dans le document DE-2.258.007. Il est réalisé en caoutchouc et il subit une compression lors de l'aspiration de la pièce. Ce dispositif ne permet donc pas la rehausse précise d'une pièce à un niveau prédéterminé, certains types de travaux ne sont donc pas permis. De plus il n'est pas articulé ni adaptable à la forme d'une pièce.A sealing system in the form of a grid or a grid is also known, described in document DE-2,258,007. It is made of rubber and undergoes compression during the suction of the part. This device therefore does not allow the precise raising of a part to a predetermined level, certain types of work are therefore not allowed. In addition, it is neither articulated nor adaptable to the shape of a part.

Par ailleurs, on sait surélever la pièce tout en assurant l'étanchéité, au moyen de gabarits.Furthermore, it is known to raise the part while ensuring sealing, by means of templates.

Mais ces gabarits nécessitent de la main d'oeuvre pour leur réalisation et leur installation, ils sont donc coûteux. De plus un gabarit correspond à un profil de pièce figé et il est nécessaire de réaliser un gabarit à chaque nouveau type de pièce ce qui entraîne des coûts de réalisation et de matière importants et un problème de stockage.But these templates require labor for their production and installation, so they are expensive. In addition, a template corresponds to a fixed part profile and it is necessary to produce a template for each new type of part, which results in significant production and material costs and a storage problem.

Le but de l'invention est de palier tous les inconvénients de l'art antérieur.The object of the invention is to overcome all the drawbacks of the prior art.

Son application n'est pas limitée aux tables à dépression rainurées. On peut l'utiliser aussi sur table lisse.Its application is not limited to grooved vacuum tables. It can also be used on a smooth table.

Plus particulièrement l'invention consiste en un élément de calage articulé pour utilisation sur un établi, une table de machine, une table à dépression ou analogue, caractérisé en ce qu'il est composé d'un joint souple comportant, pour réhausser une pièce à une hauteur H prédéterminée, des éléments de rehausse rigides répartis sur la longueur du joint et séparés entre eux par des jeux fonctionnels permettant de couder l'élément de calage.More particularly the invention consists of an element of articulated wedging for use on a workbench, machine table, vacuum table or the like, characterized in that it is composed of a flexible joint comprising, for raising a piece to a predetermined height H, rigid raising elements distributed over the length of the joint and separated from each other by functional clearances allowing the wedging element to be bent.

Ces éléments de rehausse sont non limitativement des plots disposés par deux symétriquement de part et d'autre du joint souple, deux plots consécutifs étant séparés par un intervalle fonctionnel.These enhancement elements are not limited to studs arranged in two symmetrically on either side of the flexible joint, two consecutive studs being separated by a functional gap.

Ces plots ont non limitativement une section en triangle rectangle isocèle avec une rainure supérieure et un prolongement inférieur dont le joint souple dépasse.These studs have, without limitation, a section in an isosceles right triangle with an upper groove and a lower extension, the flexible joint of which protrudes.

On comprendra mieux l'invention à l'aide de la description ci-après faite en référence aux figures annexées suivantes :

  • Figure 1 : vue de dessus du joint articulé selon l'invention,
  • Figure 2 : vue en coupe verticale du joint articulé selon l'invention,
  • Figure 3 : vue de dessus d'un exemple d'utilisation de l'invention,
  • Figure 4 : vue en coupe verticale de la figure 3.
The invention will be better understood using the description below made with reference to the following appended figures:
  • FIG. 1 : top view of the articulated joint according to the invention,
  • FIG. 2 : view in vertical section of the articulated joint according to the invention,
  • Figure 3 : top view of an example of use of the invention,
  • Figure 4 : vertical section view of Figure 3.

Le joint articulé (1) est composé d'un joint (2) souple par exemple en mousse sur les flancs duquel sont collés des plots (3) identiques, symétriquement disposés par rapport au joint mousse (2).The articulated joint (1) is composed of a flexible joint (2), for example made of foam, on the flanks of which identical studs (3) are bonded, symmetrically arranged with respect to the foam joint (2).

Selon un mode de réalisation non limitatif de l'invention :

  • chaque plot (3) a une section horizontale en triangle rectangle isocèle dont le sommet à 90° est coupé et dont l'hypothénuse est collée au joint mousse (2). La hauteur (H) du plot correspond à la hauteur dont on veut surélever la pièce.
  • la face (4) du plot (3) appliquée contre le joint comporte dans sa partie supérieure une rainure longitudinale (5) permettant l'écrasement de la tête du joint par la pièce.
  • cette face comporte encore un prolongement longitudinal (6) destiné à entrer dans une rainure de la table.
According to a nonlimiting embodiment of the invention:
  • each stud (3) has a horizontal section in an isosceles right triangle whose top at 90 ° is cut and whose hypotenuse is glued to the foam joint (2). The height (H) of the stud corresponds to the height whose part is to be raised.
  • the face (4) of the stud (3) applied against the joint has in its upper part a longitudinal groove (5) allowing the head of the joint to be crushed by the part.
  • this face also has a longitudinal extension (6) intended to enter a groove in the table.

Sur toute la longueur du joint mousse (2) on dispose les plots par groupe de deux face à face. Deux groupes de plots sont séparés l'un de l'autre par un intervalle fonctionnel (7) calculé pour permettre de couder le joint articulé (1).Over the entire length of the foam seal (2), the pads are arranged in groups of two face to face. Two groups of studs are separated from each other by a functional interval (7) calculated to allow the articulated joint (1) to be bent.

Pour utiliser le joint selon l'invention, par exemple sur une table rainurée, on délimite la zone de dépression, choisie en fonction de la forme de la pièce, en l'introduisant par ses prolongements (6) dans les rainures de la table. Les bases (8) prennent appui sur les plans supérieurs de la table. La partie dépassante (9) inférieure s'écrase en fond de gorge pour l'étanchéité inférieure.To use the joint according to the invention, for example on a grooved table, the vacuum zone is defined, chosen according to the shape of the part, by introducing it by its extensions (6) in the grooves of the table. The bases (8) are supported on the upper planes of the table. The lower projecting part (9) is crushed at the bottom of the groove for the lower seal.

Les prolongements (6) réalisent le blocage.The extensions (6) achieve blocking.

La partie dépassante supérieure (10) sera écrasée par la pièce pour l'étanchéité supérieure. Dans un angle tel que (11), deux faces latérales de deux plots successifs s'appuient l'une sur l'autre grâce à leur inclinaison à 45° par rapport au joint mousse (2).The upper projecting part (10) will be crushed by the part for the upper seal. In an angle such as (11), two lateral faces of two successive studs are supported one on the other thanks to their inclination at 45 ° relative to the foam seal (2).

Une seule extrémité vient fermer la zone et le surplus (jusqu'à la deuxième extrémité) est placé à l'intérieur de la zone.Only one end closes the zone and the surplus (up to the second end) is placed inside the zone.

Ce joint articulé permet de :

  • réhausser une pièce d'une hauteur (H) correspondant au champ des plots,
  • réhausser une pièce de la hauteur voulue en choisissant un joint articulé de hauteur appropriée,
  • délimiter la zone de dépression à la demande,
  • adapter la zone de dépression à tout profil de pièce.
This articulated joint allows to:
  • raise a part by a height (H) corresponding to the stud field,
  • raise a part of the desired height by choosing an articulated joint of appropriate height,
  • delimit the vacuum zone on demand,
  • adapt the vacuum zone to any room profile.

On notera que d'autres formes de plots sont possibles, par exemple des plots ou demi-cercles séparés par un intervalle fonctionnel suffisant pour que deux plots consécutifs d'un coude (11) soient en contacts l'un de l'autre.It will be noted that other forms of studs are possible, for example studs or semicircles separated by a sufficient functional gap so that two consecutive studs of an elbow (11) are in contact with one another.

Selon l'application prévue les rainures (5), prolongement (6) parties dépassantes (9) (10) peuvent être supprimés et les éléments de rehausse ou plots (3) peuvent être disposés sur une seule des deux faces latérales du joint (2).Depending on the intended application, the grooves (5), extension (6) protruding parts (9) (10) can be eliminated and the elements for raising or studs (3) can be arranged on only one of the two lateral faces of the joint (2 ).

A titre d'exemple d'utilisation sur table lisse on se reportera aux figures 3 et 4. La hauteur du joint (2) est sensiblement celle des éléments de rehausse (H) d'une pièce. On donne au joint articulé la forme adaptée à celle de la pièce, le surplus (12) non équipé de plots assurant l'étanchéité sur le premier plot. On peut utiliser cette variante sur table lisse métallique ou magnétique en association avec des plots magnétiques ou métalliques.As an example of use on a smooth table, reference is made to FIGS. 3 and 4. The height of the joint (2) is substantially that of the raising elements (H) of a part. The articulated joint is given the shape adapted to that of the part, the surplus (12) not equipped with studs ensuring the tightness on the first stud. This variant can be used on a smooth metallic or magnetic table in combination with magnetic or metallic studs.

Dans les deux cas, le magnétisme est utilisé pour maintenir le joint en place entre deux changements de pièces et pour éviter que la zone fermée ne se rétracte sous l'effet d'une dépression amenée par la bouche d'aspiration (13).In both cases, magnetism is used to hold the seal in place between two changes of parts and to prevent the closed area from shrinking under the effect of a vacuum supplied by the suction mouth (13).

Claims (10)

  1. Articulated fixing element (1) for use on a bench, a machine table, a depression table or the like, characterised in that it is composed of a flexible joint (2) comprising, in order to raise an article to a predetermined height H, rigid raising elements (3) which are distributed over at least one of the sides of the joint (2) and separated from one another by functional clearances permitting the fixing element (1) to be bent.
  2. Articulated fixing element according to the preceding claim, characterised in that the raising elements are studs (3) disposed in pairs symmetrically on each side of the flexible joint (2), two consecutive studs being separated by a functional spacing.
  3. Articulated fixing element according to claim 2, characterised in that the studs have a horizontal cross-section in the form of a right-angled isosceles triangle with a truncated top.
  4. Articulated fixing element according to one of the preceding claims, characterised in that they comprise an upper groove (5).
  5. Articulated fixing element according to one of the preceding claims, characterised in that they comprise extensions (6).
  6. Articulated fixing element according to claim 4, characterised in that the deformable joint (2) comprises a protruding portion (10) which is compressed into the groove (5).
  7. Articulated fixing element according to claim 5, characterised in that the deformable joint (2) comprises a protruding portion (9) which is compressed into the base of a groove in the table.
  8. Articulated fixing element according to at least one of the preceding claims, characterised in that the raising elements (3) are metallic in order to be associated with a magnetic table.
  9. Articulated fixing element according to at least one of claims 1 to 7, characterised in that the raising elements (3) are magnetic in order to be associated with a metallic table.
  10. Articulated fixing element according to at least one of claims 1, 2, 3, 8 or 9, characterised in that the height of the joint (2) is substantially identical to that of the rigid raising elements (3) in order to be associated with a smooth table.
EP93470032A 1992-12-24 1993-12-20 Articulated means for wedging Expired - Lifetime EP0604339B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9215974A FR2699846B1 (en) 1992-12-24 1992-12-24 Articulated wedging element.
FR9215974 1992-12-24

Publications (2)

Publication Number Publication Date
EP0604339A1 EP0604339A1 (en) 1994-06-29
EP0604339B1 true EP0604339B1 (en) 1995-11-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93470032A Expired - Lifetime EP0604339B1 (en) 1992-12-24 1993-12-20 Articulated means for wedging

Country Status (7)

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US (1) US5454552A (en)
EP (1) EP0604339B1 (en)
JP (1) JPH06238537A (en)
AT (1) ATE130233T1 (en)
CA (1) CA2112291C (en)
DE (1) DE69300814D1 (en)
FR (1) FR2699846B1 (en)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
US5572786A (en) * 1995-09-11 1996-11-12 Aluminum Company Of America Method for holding a workpiece by vacuum
KR100562190B1 (en) * 2001-08-23 2006-03-20 에이에스엠엘 네델란즈 비.브이. Method of measuring aberration of projection system of a lithographic apparatus, device manufacturing method, and device manufactured thereby
DE102011004354B4 (en) * 2011-02-18 2015-02-19 J. Schmalz Gmbh At least partially magnetic workpiece support with protrusions and precisely fitting recesses
CN103183201B (en) * 2011-12-29 2016-01-13 富泰华工业（深圳）有限公司 Adsorption plant
FR3102693A1 (en) * 2019-11-05 2021-05-07 Airbus Operations (S.A.S.) Vacuum tooling including at least one improved seal

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Also Published As

Publication number Publication date
FR2699846B1 (en) 1995-02-10
ATE130233T1 (en) 1995-12-15
CA2112291A1 (en) 1994-06-25
CA2112291C (en) 2004-05-18
JPH06238537A (en) 1994-08-30
DE69300814D1 (en) 1995-12-21
EP0604339A1 (en) 1994-06-29
FR2699846A1 (en) 1994-07-01
US5454552A (en) 1995-10-03

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