EP2478970B1 - Apparatus for applying a protective material to the edge of an article - Google Patents

Apparatus for applying a protective material to the edge of an article Download PDF

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Publication number
EP2478970B1
EP2478970B1 EP12305060.1A EP12305060A EP2478970B1 EP 2478970 B1 EP2478970 B1 EP 2478970B1 EP 12305060 A EP12305060 A EP 12305060A EP 2478970 B1 EP2478970 B1 EP 2478970B1
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EP
European Patent Office
Prior art keywords
edge
protective material
smoothing
calibrating
relative
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.)
Active
Application number
EP12305060.1A
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German (de)
French (fr)
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EP2478970A1 (en
Inventor
Xavier Martin
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.)
Airbus Operations SAS
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Airbus Operations SAS
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Publication date
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Publication of EP2478970A1 publication Critical patent/EP2478970A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503Details of the outlet element
    • B05C17/00516Shape or geometry of the outlet orifice or the outlet element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0204Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to the edges of essentially flat articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/025Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B05C11/028Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with a body having a large flat spreading or distributing surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/10Hand tools for removing partially or for spreading or redistributing applied liquids or other fluent materials, e.g. colour touchers

Definitions

  • the present invention relates to a device for applying a protective material on the edge of a workpiece.
  • a material in the form of a resin can be applied to the edges. This material should only be applied at the level of the edge and should not cover the faces adjacent to the protected edge.
  • the application of the material is made without protective masking for adjacent faces, using a roller and spatula to remove excess material on adjacent faces.
  • WO9316810 a device for applying a bead of sealant to a face of a panel by positioning it relative to the edge of the panel.
  • This device can be attached to a nozzle of a putty gun and comprises an arm supporting at one end a roller or roller capable of rolling on the edge and to position the end of the nozzle relative to the edge. By adjusting the geometry of the arm, it is possible to adjust the distance between the cord and the edge.
  • US 3,807,351 discloses a device for applying a protective material according to the preamble of claim 1. This type of device does not allow accurate calibration of the cord because the height of the cord depends on the opening section of the nozzle and / or the speed of displacement of the nozzle which requires a great dexterity if one wishes to obtain a constant cord.
  • the present invention aims to overcome the disadvantages of the prior art.
  • the object of the present invention relates to a device for applying a protective material on a edge of a piece, comprising a body equipped with means for applying the protective material to the edge, means to calibrate in height the protective material after its application, at least one stop for positioning the body of the device relative to the edge and means for calibrating the edges of the protective material having two smoothing plates respectively bearing against the left and right sides of the piece adjacent to the edge, at least one of the two smoothing plates being movable relative to the other smoothing plate, characterized in that the body comprises at least one arm supporting a smoothing plate and pivoting relative to the body about an axis of rotation so as to adjust the spacing between the two smoothing plates and biasing means tending to rotate said arm of in order to bring the smoothing plates closer together.
  • the song On the figure 1 there is shown at 10 a piece with a song 12 separating a straight face 14 and a left face 14 '. To give an order of magnitude, the song has a length of 5 to 15 mm.
  • this coating 16 Protection in the form of a coating 16 is provided on the edge 12. To give an order of magnitude, this coating 16 must have a thickness calibrated with a tolerance of a few tenths of the order of +/- 0.15 mm. Depending on the application, the thickness is between 0.3 and 0.7 mm.
  • the coating 16 has edges 18, 18 'which do not go beyond the planes of the faces 14 and 14' to avoid the risk of overflowing the coating 16 on the faces 14, 14 'of the workpiece.
  • the coating 16 is obtained from a protective material 26 such as a resin, a putty or a similar product which is applied in pasty form or semi-pastry using an application device 20, two variants of which are illustrated respectively on the figures 2 and 5 .
  • a protective material 26 such as a resin, a putty or a similar product which is applied in pasty form or semi-pastry using an application device 20, two variants of which are illustrated respectively on the figures 2 and 5 .
  • the device moves in a direction referenced 22, along the edge 12 to apply the protective material 26.
  • longitudinal direction means the direction in which the song extends.
  • One element is located in front of another if it passes over a point of the edge when the device moves in the direction 22 before the other element.
  • One element is located at the back of another if it passes over a point of the edge when the device moves in the direction 22 after the other element.
  • the device 20 comprises means 24 for applying the protection material 26 to the edge 12 to be protected, means 28 for calibrating the protective material 26 in height so as to obtain a calibrated protection material 26, located at the rear of the application means 24 and at least one stop 30 for positioning the device relative to the edge 12, located at the front of the supply means.
  • the device comprises an elongated body 32 comprising at its lower surface 34 two spaced shoes 36, 36 'providing the positional stop function 30.
  • the pads 36, 36 ' have a U-shaped section whose ends of the branches are oriented towards the piece 10.
  • the base of the U of each pad 36, 36' slides along the edge.
  • the branches of the U are sufficiently spaced to come on both sides of the piece 10.
  • the pads 36, 36 ' are connected to the body 32 in a removable manner with the aid of at least one screw for each pad.
  • the pads 36, 36 ' can be changed in case of wear and / or to adapt the spacing between the legs of the U to the width of the edge and / or to adjust the height of the material.
  • the pads 36, 36 'on the edge 12 are made of a material having a low coefficient of friction such as polytetrafluoroethylene for example.
  • the application means 24 comprise a nozzle provided with a discharge orifice of the protective material.
  • the body 32 comprises a block 38 with a conduit 40 through, opening at the upper face 42 of the body via an orifice 44 and at the lower face 34 of the body via an orifice 46 of evacuation protective material.
  • means for supplying protection material in the form of a gun 48 comprise an outlet nozzle 50 whose end is fitted into the duct 40 via the orifice 44.
  • the nozzle 50 and the duct 40 have adapted shapes. so that the protective material flows through the hole 46 at the lower surface 34 and not through the hole 44 of the upper surface.
  • the duct 40 is inclined.
  • this duct 40 makes an angle of between 20 and 50 ° with respect to the direction of movement 22.
  • the body 32 of the device may not be elongate and include only one stop 30.
  • This solution allows to deposit a material on a non-rectilinear edge but with a curved profile.
  • the stop 30 does not provide a bearing surface but only a straight line perpendicular to the direction of movement.
  • This type of stop may also be used in the case of a device with an elongated body.
  • the body 32 also comprises means for securing the gun 48.
  • the body 32 comprises at its upper surface 42 an arm 52, parallel to the duct 40, equipped with a collar 54 for securing the gun 48.
  • the lower surface 34 of the body can provide the function of the means 28 for calibrating the resin.
  • the orifice 46 comprises a flared shape to better distribute the resin over the entire width of the edge.
  • the means 28 for calibrating the protective material 26 comprise at the lower surface 34 a blade 56 with a straight edge, parallel to the edge 12 and perpendicular to the longitudinal direction.
  • the means 28 for calibrating the protective material 26 comprise a pellet 58 attached to the lower surface 34, with a smoothing surface parallel to the edge 12.
  • the means 28 for calibrating the protective material 26 comprise a roller 60 pivoting about an axis parallel to the edge 12 and the lower generatrix 62 ensures the calibration of the protective material 26 in height.
  • a scraper 64 makes it possible to remove the excess resin on the roller 60.
  • the device comprises means for adjusting the height of the protective material 26.
  • the device comprises means for adjusting the relative position of the means 28 for calibrating the protective material 26 relative to the positioning stop 30.
  • at least one shim 66 is interposed between the pads 36, 36 'and the body 32, the height of the resin being adjusted by choosing a shim with a suitable height and / or by interposing a suitable number of shims .
  • the means 28 for calibrating the height of the protective material could be removably connected to the rest of the device. So, the 56, the pellet 58 or the roller 60 could be changed in order to fix to the device a blade 56, a pellet 58 or a roller 60 whose height, thickness, diameter, respectively, are chosen as a function of the height of the material. desired protection.
  • the position of the means 28 for calibrating the height of the protective material relative to the remainder of the device could be adjustable to adjust the height of the protective material 26.
  • the device comprises means for calibrating the edges 18, 18 'of the protective material 26.
  • the device comprises two smoothing plates 68, 68' bearing respectively against the right and left faces 14 '14'.
  • At least one of the two smoothing plates 68, 68 ' is movable relative to the other so as to be able to adjust the spacing between the two smoothing plates 68, 68' and adapt the device to the length of the edge 12 .
  • the two smoothing plates 68, 68 ' have smoothing surfaces 70, 70' arranged in intersecting planes with the blade 56, the smoothing pad 58 or the generator 62 of the roller 60.
  • the smoothing plates 68, 68 ' are connected to the remainder of the device by means of knobs which make it possible to adjust the spacing between the smoothing plates 68 and 68'.
  • the device comprises means for automatically adjusting the spacing between the smoothing plates 68 and 68 '.
  • the device comprises for each smoothing plate 68, 68 'an arm 72, 72' pivoting about an axis of rotation 74, 74 ', connected to the body 32, parallel to the right and left faces 14' and 14 '. return means 76, 76 'tending to pivot the arms 72, 72' so as to bring the smoothing plates 68, and 68 'together.
  • the axes of rotation 74, 74 ' are perpendicular to the longitudinal direction so that the arms 72, 72' are arranged parallel and along the body 32.
  • each smoothing plate 68, 68 ' is articulated relative to the arm 72, 72' which supports it so that each smoothing plate 68, 68 'is always parallel to the face against which it is applied.
  • each smoothing plate 68, 68 ' is pivotally mounted relative to an axis 78, 78' provided at the end of the arm 72, 72 'and parallel to the axis of rotation 74, 74'.
  • the return means 76, 76 ' are compression springs interposed between the body 32 and the end of the arm 72, 72' opposite the end supporting the smoothing plate 68, 68 '.
  • the device for applying a protective material is shown in the idle state, the smoothing plates 68, 68 'being in a close position.
  • the device for applying a protective material is shown in the separated state, an operator pressing on the ends of the arms opposite to those supporting the smoothing plates 68, 68 'against the return means 76, 76.
  • This separated state makes it possible to place the dispensing device in contact with the edge.
  • the device comprises for each arm a stop to maintain a minimum distance between the smoothing plates 68, 68 '.
  • the smoothing plates 68, 68 'each comprise a recess 80 which bears against the body 32 in the idle state.
  • the device could include only one pivoting arm and a movable smoothing plate.
  • the pellets 82 are made of an elastomer material marketed under the reference "Mosite”.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Description

La présente invention se rapporte à un dispositif d'application d'un matériau de protection sur le chant d'une pièce.The present invention relates to a device for applying a protective material on the edge of a workpiece.

Dans le domaine aéronautique, les pièces en matériau composite ont besoin d'une protection sur tous les chants usinés. Cette protection a pour finalité d'obtenir une protection galvanique, anti-corrosion et une barrière anti-foudre.In the aeronautical field, composite parts need protection on all machined edges. This protection has the purpose of obtaining a galvanic protection, anti-corrosion and a lightning barrier.

Comme protection, on peut appliquer sur les chants un matériau sous forme d'une résine. Ce matériau ne doit être appliqué qu'au niveau du chant et ne doit pas recouvrir les faces adjacentes au chant protégé.As protection, a material in the form of a resin can be applied to the edges. This material should only be applied at the level of the edge and should not cover the faces adjacent to the protected edge.

L'application du matériau est faite sans masquage de protection pour les faces adjacentes, à l'aide d'un rouleau et d'une spatule pour retirer le surplus de matériau sur les faces adjacentes.The application of the material is made without protective masking for adjacent faces, using a roller and spatula to remove excess material on adjacent faces.

Ce mode opératoire n'est pas pleinement satisfaisant car il requiert beaucoup de minutie et de temps et ne permet pas de maitriser l'épaisseur du matériau.This procedure is not fully satisfactory because it requires a lot of attention to detail and time and does not allow to control the thickness of the material.

On connaît d'après le document WO9316810 un dispositif permettant d'appliquer un cordon de mastic sur une face d'un panneau en le positionnant par rapport au chant du panneau. Ce dispositif peut se fixer sur une buse d'un pistolet de mastic et comprend un bras supportant à une extrémité un galet ou un rouleau susceptible de rouler sur le chant et de positionner l'extrémité de la buse par rapport au chant. En ajustant la géométrie du bras, il est possible d'ajuster la distance qui sépare le cordon du chant. Le document US 3,807,351 décrit un dispositif d'application d'un matériau de protection selon le preamble de la revendication 1.
Ce type de dispositif ne permet pas de calibrer de manière précise le cordon car la hauteur du cordon dépend de la section d'ouverture de la buse et/ou de la vitesse de déplacement de la buse ce qui demande une grande dextérité si on souhaite obtenir un cordon constant.
We know from the document WO9316810 a device for applying a bead of sealant to a face of a panel by positioning it relative to the edge of the panel. This device can be attached to a nozzle of a putty gun and comprises an arm supporting at one end a roller or roller capable of rolling on the edge and to position the end of the nozzle relative to the edge. By adjusting the geometry of the arm, it is possible to adjust the distance between the cord and the edge. The document US 3,807,351 discloses a device for applying a protective material according to the preamble of claim 1.
This type of device does not allow accurate calibration of the cord because the height of the cord depends on the opening section of the nozzle and / or the speed of displacement of the nozzle which requires a great dexterity if one wishes to obtain a constant cord.

Selon un autre constat, si on utilisait ce type de dispositif pour appliquer un matériau de protection sur le chant, il ne permettrait pas d'empêcher le débordement de la résine sur les faces adjacentes au chant.According to another observation, if this type of device was used to apply a protective material on the edge, it would not prevent the overflow of the resin on the faces adjacent to the edge.

La présente invention vise à pallier les inconvénients de l'art antérieur.The present invention aims to overcome the disadvantages of the prior art.

A cet effet, l'objet de la présente invention concerne un dispositif d'application d'un matériau de protection sur un chant d'une pièce, comprenant un corps équipé de moyens d'application du matériau de protection sur le chant, de moyens pour calibrer en hauteur le matériau de protection après son application, d'au moins une butée permettant de positionner le corps du dispositif par rapport au chant et de moyens pour calibrer les bords du matériau de protection comportant deux plaques de lissage prenant appui respectivement contre les faces droite et gauche de la pièce adjacente au chant, au moins l'une des deux plaques de lissage étant mobile par rapport à l'autre plaque de lissage, caractérisé en ce que le corps comprend au moins un bras supportant une plaque de lissage et pivotant par rapport au corps autour d'un axe de rotation de manière à pouvoir régler l'écartement entre les deux plaques de lissage et des moyens de rappel tendant à faire pivoter ledit bras de manière à rapprocher les plaques de lissage.For this purpose, the object of the present invention relates to a device for applying a protective material on a edge of a piece, comprising a body equipped with means for applying the protective material to the edge, means to calibrate in height the protective material after its application, at least one stop for positioning the body of the device relative to the edge and means for calibrating the edges of the protective material having two smoothing plates respectively bearing against the left and right sides of the piece adjacent to the edge, at least one of the two smoothing plates being movable relative to the other smoothing plate, characterized in that the body comprises at least one arm supporting a smoothing plate and pivoting relative to the body about an axis of rotation so as to adjust the spacing between the two smoothing plates and biasing means tending to rotate said arm of in order to bring the smoothing plates closer together.

D'autres caractéristiques et avantages ressortiront de la description qui va suivre de l'invention, description donnée à titre d'exemple uniquement, en regard des dessins annexés sur lesquels :

  • La figure 1 est une coupe d'une pièce avec un chant sur lequel est apposée une protection,
  • La figure 2 est une vue en perspective d'une première variante d'un dispositif d'application d'un matériau de protection selon l'invention,
  • La figure 3A est une coupe selon un plan longitudinal médian d'une première variante des moyens pour calibrer la hauteur du matériau
  • La figure 3B est une coupe selon un plan longitudinal médian d'une deuxième variante des moyens pour calibrer la hauteur du matériau,
  • La figure 3C est une coupe selon un plan longitudinal médian d'une troisième variante des moyens pour calibrer la hauteur du matériau,
  • La figure 4 est coupe transversale illustrant un mode de réalisation des moyens de positionnement du dispositif par rapport au chant,
  • La figure 5 est une vue en perspective d'une autre variante d'un dispositif d'application d'un matériau de protection selon l'invention,
  • La figure 6 est une coupe selon un plan longitudinal médian du dispositif de la figure 5,
  • La figure 7A est vue de dessous du dispositif de la figure 2 illustrant des moyens pour calibrer les bords du matériau à l'état repos,
  • La figure 7B est vue de dessous du dispositif de la figure 2 illustrant des moyens pour calibrer les bords du matériau à l'état écarté, et
  • La figure 8 est une vue de face du dispositif de la figure 2 illustrant des moyens pour calibrer les bords du matériau à l'état repos.
Other features and advantages will become apparent from the following description of the invention, a description given by way of example only, with reference to the appended drawings in which:
  • The figure 1 is a cut of a piece with a song on which is affixed a protection,
  • The figure 2 is a perspective view of a first variant of a device for applying a protective material according to the invention,
  • The figure 3A is a section along a median longitudinal plane of a first variant of the means for calibrating the height of the material
  • The figure 3B is a section along a median longitudinal plane of a second variant of the means for calibrating the height of the material,
  • The figure 3C is a section along a median longitudinal plane of a third variant of the means for calibrating the height of the material,
  • The figure 4 is a cross-section illustrating an embodiment of the means for positioning the device with respect to the edge,
  • The figure 5 is a perspective view of another variant of a device for applying a protective material according to the invention,
  • The figure 6 is a section along a median longitudinal plane of the device of the figure 5 ,
  • The Figure 7A is seen from below the device of the figure 2 illustrating means for calibrating the edges of the material at rest,
  • The Figure 7B is seen from below the device of the figure 2 illustrating means for calibrating the edges of the material in the separated state, and
  • The figure 8 is a front view of the device of the figure 2 illustrating means for calibrating the edges of the material at rest.

Sur la figure 1, on a représenté en 10 une pièce avec un chant 12 séparant une face droite 14 et une face gauche 14'. Pour donner un ordre de grandeur, le chant a une longueur de 5 à 15 mm.On the figure 1 there is shown at 10 a piece with a song 12 separating a straight face 14 and a left face 14 '. To give an order of magnitude, the song has a length of 5 to 15 mm.

Une protection sous forme d'un revêtement 16 est prévu sur le chant 12. Pour donner un ordre de grandeur, ce revêtement 16 doit avoir une épaisseur calibrée avec une tolérance de quelques dixièmes de l'ordre de +/- 0,15 mm. En fonction des applications, l'épaisseur est comprise entre 0,3 et 0,7 mm.Protection in the form of a coating 16 is provided on the edge 12. To give an order of magnitude, this coating 16 must have a thickness calibrated with a tolerance of a few tenths of the order of +/- 0.15 mm. Depending on the application, the thickness is between 0.3 and 0.7 mm.

Le revêtement 16 a des bords 18, 18' qui ne vont pas au-delà des plans des faces 14 et 14' pour éviter les risques de débordements du revêtement 16 sur les faces 14, 14' de la pièce.The coating 16 has edges 18, 18 'which do not go beyond the planes of the faces 14 and 14' to avoid the risk of overflowing the coating 16 on the faces 14, 14 'of the workpiece.

Le revêtement 16 est obtenu à partir d'un matériau de protection 26 tel qu'une résine, un mastic ou un produit analogue qui est appliqué sous forme pâteuse ou semi-pâteuse à l'aide d'un dispositif d'application 20 dont deux variantes sont illustrées respectivement sur les figures 2 et 5.The coating 16 is obtained from a protective material 26 such as a resin, a putty or a similar product which is applied in pasty form or semi-pastry using an application device 20, two variants of which are illustrated respectively on the figures 2 and 5 .

Le dispositif se déplace selon une direction référencée 22, le long du chant 12 pour appliquer le matériau de protection 26.The device moves in a direction referenced 22, along the edge 12 to apply the protective material 26.

Pour la suite de la description, on entend par direction longitudinale, la direction selon laquelle s'étend le chant. Un élément est situé à l'avant d'un autre s'il passe au-dessus d'un point du chant lorsque le dispositif se déplace selon la direction 22 avant l'autre élément. Un élément est situé à l'arrière d'un autre s'il passe au-dessus d'un point du chant lorsque le dispositif se déplace selon la direction 22 après l'autre élément.For the rest of the description, longitudinal direction means the direction in which the song extends. One element is located in front of another if it passes over a point of the edge when the device moves in the direction 22 before the other element. One element is located at the back of another if it passes over a point of the edge when the device moves in the direction 22 after the other element.

Selon l'invention, le dispositif 20 comprend des moyens d'application 24 du matériau de protection 26 sur le chant 12 à protéger, des moyens 28 pour calibrer en hauteur le matériau de protection 26 de manière à obtenir un matériau de protection 26 calibré, situés à l'arrière des moyens d'application 24 et au moins une butée 30 permettant de positionner le dispositif par rapport au chant 12, située à l'avant des moyens d'alimentation.According to the invention, the device 20 comprises means 24 for applying the protection material 26 to the edge 12 to be protected, means 28 for calibrating the protective material 26 in height so as to obtain a calibrated protection material 26, located at the rear of the application means 24 and at least one stop 30 for positioning the device relative to the edge 12, located at the front of the supply means.

Selon un mode de réalisation illustré sur les figures 2, 3A, 3B, 3C, le dispositif comprend un corps 32 allongé comprenant au niveau de sa surface inférieure 34 deux patins espacés 36, 36' assurant la fonction de butée de positionnement 30. Comme illustré sur la figure 4, les patins 36, 36' ont une section en U dont les extrémités des branches sont orientées vers la pièce 10. La base du U de chaque patin 36, 36' coulisse le long du chant. Les branches du U sont suffisamment espacées pour venir de part et d'autre de la pièce 10.According to an embodiment illustrated on the Figures 2, 3A , 3B, 3C , the device comprises an elongated body 32 comprising at its lower surface 34 two spaced shoes 36, 36 'providing the positional stop function 30. As shown in FIG. figure 4 , the pads 36, 36 'have a U-shaped section whose ends of the branches are oriented towards the piece 10. The base of the U of each pad 36, 36' slides along the edge. The branches of the U are sufficiently spaced to come on both sides of the piece 10.

Les patins 36, 36' sont reliés au corps 32 de manière démontable à l'aide d'au moins une vis pour chaque patin. Ainsi, les patins 36, 36' peuvent être changés en cas d'usure et/ou afin d'adapter l'écartement entre les branches du U à la largeur du chant et/ou afin d'ajuster la hauteur du matériau.The pads 36, 36 'are connected to the body 32 in a removable manner with the aid of at least one screw for each pad. Thus, the pads 36, 36 'can be changed in case of wear and / or to adapt the spacing between the legs of the U to the width of the edge and / or to adjust the height of the material.

Pour faciliter le coulissement des patins 36, 36' sur le chant 12, ces derniers sont réalisés en un matériau possédant un faible coefficient de frottement comme le polytétrafluoroéthylène par exemple.To facilitate the sliding of the pads 36, 36 'on the edge 12, the latter are made of a material having a low coefficient of friction such as polytetrafluoroethylene for example.

Les moyens d'application 24 comprennent une buse munie d'un orifice d'évacuation du matériau de protection.The application means 24 comprise a nozzle provided with a discharge orifice of the protective material.

Selon un mode de réalisation, le corps 32 comprend un bloc 38 avec un conduit 40 traversant, débouchant au niveau de la face supérieure 42 du corps via un orifice 44 et au niveau de la face inférieure 34 du corps via un orifice 46 d'évacuation du matériau de protection. Selon un exemple illustré sur la figure 2, des moyens d'alimentation en matériau de protection sous forme d'un pistolet 48 comprennent une buse de sortie 50 dont l'extrémité est emmanchée dans le conduit 40 via l'orifice 44. La buse 50 et le conduit 40 ont des formes adaptées pour que le matériau de protection s'écoule via l'orifice 46 situé au niveau de la surface inférieure 34 et non via l'orifice 44 de la surface supérieure.According to one embodiment, the body 32 comprises a block 38 with a conduit 40 through, opening at the upper face 42 of the body via an orifice 44 and at the lower face 34 of the body via an orifice 46 of evacuation protective material. According to an illustrated example on the figure 2 , means for supplying protection material in the form of a gun 48 comprise an outlet nozzle 50 whose end is fitted into the duct 40 via the orifice 44. The nozzle 50 and the duct 40 have adapted shapes. so that the protective material flows through the hole 46 at the lower surface 34 and not through the hole 44 of the upper surface.

Pour une meilleure application, le conduit 40 est incliné. Ainsi, ce conduit 40 fait un angle compris entre 20 et 50° par rapport à la direction de déplacement 22.For better application, the duct 40 is inclined. Thus, this duct 40 makes an angle of between 20 and 50 ° with respect to the direction of movement 22.

Selon un autre mode de réalisation illustré sur les figures 5 et 6, le corps 32 du dispositif peut ne pas être allongé et ne comprendre qu'une seule butée 30. Cette solution permet de déposer un matériau sur un chant non rectiligne mais avec un profil courbe. Dans ce cas, la butée 30 n'offre pas une surface d'appui mais seulement une droite perpendiculaire à la direction de déplacement. Ce type de butée peut être également utilisée dans le cas d'un dispositif avec un corps allongé.According to another embodiment illustrated on the Figures 5 and 6 , the body 32 of the device may not be elongate and include only one stop 30. This solution allows to deposit a material on a non-rectilinear edge but with a curved profile. In this case, the stop 30 does not provide a bearing surface but only a straight line perpendicular to the direction of movement. This type of stop may also be used in the case of a device with an elongated body.

Le corps 32 comprend également des moyens pour solidariser le pistolet 48. Ainsi, le corps 32 comprend au niveau de sa surface supérieure 42 un bras 52, parallèle au conduit 40, équipé d'un collier 54 pour solidariser le pistolet 48.The body 32 also comprises means for securing the gun 48. Thus, the body 32 comprises at its upper surface 42 an arm 52, parallel to the duct 40, equipped with a collar 54 for securing the gun 48.

Les moyens d'application 24 et les moyens pour les solidariser au dispositif ne sont pas plus décrits car d'autres solutions techniques peuvent être envisagées.The application means 24 and the means for securing them to the device are not further described because other technical solutions can be envisaged.

Selon un mode de réalisation illustré sur la figure 6, la surface inférieure 34 du corps peut assurer la fonction des moyens 28 pour calibrer la résine. Dans ce cas, l'orifice 46 comprend une forme évasée pour mieux répartir la résine sur toute la largeur du chant.According to an embodiment illustrated on the figure 6 , the lower surface 34 of the body can provide the function of the means 28 for calibrating the resin. In this case, the orifice 46 comprises a flared shape to better distribute the resin over the entire width of the edge.

Selon un mode de réalisation illustré sur la figure 3A, les moyens 28 pour calibrer le matériau de protection 26 comprennent au niveau de la surface inférieure 34 une lame 56 avec une arête rectiligne, parallèle au chant 12 et perpendiculaire à la direction longitudinale.According to an embodiment illustrated on the figure 3A , the means 28 for calibrating the protective material 26 comprise at the lower surface 34 a blade 56 with a straight edge, parallel to the edge 12 and perpendicular to the longitudinal direction.

Selon un autre mode de réalisation illustré sur la figure 3B, les moyens 28 pour calibrer le matériau de protection 26 comprennent une pastille 58 rapportée au niveau de la surface inférieure 34, avec une surface de lissage parallèle au chant 12.According to another embodiment illustrated on the figure 3B , the means 28 for calibrating the protective material 26 comprise a pellet 58 attached to the lower surface 34, with a smoothing surface parallel to the edge 12.

Selon un autre mode de réalisation illustré sur la figure 3C, les moyens 28 pour calibrer le matériau de protection 26 comprennent un galet 60 pivotant autour d'un axe parallèle au chant 12 et dont la génératrice inférieure 62 assure le calibrage du matériau de protection 26 en hauteur. En complément, un racleur 64 permet de retirer le surplus de résine sur le galet 60.According to another embodiment illustrated on the figure 3C , the means 28 for calibrating the protective material 26 comprise a roller 60 pivoting about an axis parallel to the edge 12 and the lower generatrix 62 ensures the calibration of the protective material 26 in height. In addition, a scraper 64 makes it possible to remove the excess resin on the roller 60.

Toutefois, l'invention n'est pas limitée aux moyens 28 pour calibrer précédemment décrits. D'autres solutions pourraient être envisagées.However, the invention is not limited to the means 28 for calibrating previously described. Other solutions could be considered.

Avantageusement, le dispositif comprend des moyens pour ajuster la hauteur du matériau de protection 26. Ainsi, le dispositif comprend des moyens pour ajuster la position relative des moyens 28 pour calibrer le matériau de protection 26 par rapport à la butée 30 de positionnement. Selon une solution non limitative, au moins une cale 66 est intercalée entre les patins 36, 36' et le corps 32, la hauteur de la résine étant ajustée en choisissant une cale avec une hauteur adéquate et/ou en intercalant un nombre adéquat de cales.Advantageously, the device comprises means for adjusting the height of the protective material 26. Thus, the device comprises means for adjusting the relative position of the means 28 for calibrating the protective material 26 relative to the positioning stop 30. According to a non-limiting solution, at least one shim 66 is interposed between the pads 36, 36 'and the body 32, the height of the resin being adjusted by choosing a shim with a suitable height and / or by interposing a suitable number of shims .

En variante, les moyens 28 pour calibrer la hauteur du matériau de protection pourraient être reliés de manière démontable au reste du dispositif. Ainsi, la lame 56, la pastille 58 ou le galet 60 pourraient être changés afin de fixer au dispositif une lame 56, une pastille 58 ou un galet 60 dont respectivement la hauteur, l'épaisseur, le diamètre sont choisis en fonction de la hauteur de matériau de protection souhaitée.Alternatively, the means 28 for calibrating the height of the protective material could be removably connected to the rest of the device. So, the 56, the pellet 58 or the roller 60 could be changed in order to fix to the device a blade 56, a pellet 58 or a roller 60 whose height, thickness, diameter, respectively, are chosen as a function of the height of the material. desired protection.

En variante, la position des moyens 28 pour calibrer la hauteur du matériau de protection par rapport au reste du dispositif pourrait être réglable afin d'ajuster la hauteur du matériau de protection 26.Alternatively, the position of the means 28 for calibrating the height of the protective material relative to the remainder of the device could be adjustable to adjust the height of the protective material 26.

Le dispositif comprend des moyens pour calibrer les bords 18, 18' du matériau de protection 26. Ainsi, le dispositif comprend deux plaques de lissage 68, 68' prenant appui respectivement contre les faces droite 14 et gauche 14'.The device comprises means for calibrating the edges 18, 18 'of the protective material 26. Thus, the device comprises two smoothing plates 68, 68' bearing respectively against the right and left faces 14 '14'.

Au moins l'une des deux plaques de lissage 68, 68' est mobile par rapport à l'autre de manière à pouvoir régler l'écartement entre les deux plaques de lissage 68, 68' et adapter le dispositif à la longueur du chant 12.At least one of the two smoothing plates 68, 68 'is movable relative to the other so as to be able to adjust the spacing between the two smoothing plates 68, 68' and adapt the device to the length of the edge 12 .

Les deux plaques de lissage 68, 68' ont des surfaces de lissage 70, 70' disposées dans des plans sécants avec la lame 56, la pastille de lissage 58 ou la génératrice 62 du galet 60.The two smoothing plates 68, 68 'have smoothing surfaces 70, 70' arranged in intersecting planes with the blade 56, the smoothing pad 58 or the generator 62 of the roller 60.

Selon un mode de réalisation, les plaques de lissage 68, 68' sont reliées au reste du dispositif par des molettes qui permettent d'ajuster l'écartement entre les plaques de lissage 68 et 68'.According to one embodiment, the smoothing plates 68, 68 'are connected to the remainder of the device by means of knobs which make it possible to adjust the spacing between the smoothing plates 68 and 68'.

Selon une variante améliorée et illustrée sur les figures 7A, 7B et 8, le dispositif comprend des moyens pour ajuster automatiquement l'écartement entre les plaques de lissage 68 et 68'. A cet effet, le dispositif comprend pour chaque plaque de lissage 68, 68' un bras 72, 72' pivotant autour d'un axe de rotation 74, 74', relié au corps 32, parallèle aux faces droite 14 et gauche 14' et des moyens de rappel 76, 76' tendant à faire pivoter les bras 72, 72' de manière à rapprocher les plaques de lissage 68, et 68'. Les axes de rotation 74, 74' sont perpendiculaires à la direction longitudinale de manière à ce que les bras 72, 72' soient disposés parallèlement et le long du corps 32.According to an improved and illustrated variant on Figures 7A, 7B and 8 , the device comprises means for automatically adjusting the spacing between the smoothing plates 68 and 68 '. For this purpose, the device comprises for each smoothing plate 68, 68 'an arm 72, 72' pivoting about an axis of rotation 74, 74 ', connected to the body 32, parallel to the right and left faces 14' and 14 '. return means 76, 76 'tending to pivot the arms 72, 72' so as to bring the smoothing plates 68, and 68 'together. The axes of rotation 74, 74 'are perpendicular to the longitudinal direction so that the arms 72, 72' are arranged parallel and along the body 32.

Avantageusement, chaque plaque de lissage 68, 68' est articulée par rapport au bras 72, 72' qui la supporte de manière à ce que chaque plaque de lissage 68, 68' soit toujours parallèle à la face contre laquelle elle est appliquée. Ainsi, chaque plaque de lissage 68, 68' est montée pivotante par rapport à un axe 78, 78' prévu à l'extrémité du bras 72, 72' et parallèle à l'axe de rotation 74, 74'.Advantageously, each smoothing plate 68, 68 'is articulated relative to the arm 72, 72' which supports it so that each smoothing plate 68, 68 'is always parallel to the face against which it is applied. Thus, each smoothing plate 68, 68 'is pivotally mounted relative to an axis 78, 78' provided at the end of the arm 72, 72 'and parallel to the axis of rotation 74, 74'.

Selon un mode de réalisation, les moyens de rappel 76, 76' sont des ressorts de compression intercalés entre le corps 32 et l'extrémité du bras 72, 72' opposée à l'extrémité supportant la plaque de lissage 68, 68'.According to one embodiment, the return means 76, 76 'are compression springs interposed between the body 32 and the end of the arm 72, 72' opposite the end supporting the smoothing plate 68, 68 '.

Sur la figure 7A, le dispositif d'application d'un matériau de protection est représenté à l'état repos, les plaques de lissage 68, 68' étant en position rapprochée. Sur la figure 7B, le dispositif d'application d'un matériau de protection est représenté à l'état écarté, un opérateur appuyant sur les extrémités des bras opposées à celles supportant les plaques de lissage 68, 68' à l'encontre des moyens de rappel 76, 76'. Cet état écarté permet de placer le dispositif de dépose en contact avec le chant. Lorsque l'opérateur cesse cette action, les plaques de lissage 68, 68' se plaquent respectivement contre les faces droite 14 et gauche 14' et assurent le calibrage des bords 18, 18' du matériau de protection 26.On the Figure 7A , the device for applying a protective material is shown in the idle state, the smoothing plates 68, 68 'being in a close position. On the Figure 7B , the device for applying a protective material is shown in the separated state, an operator pressing on the ends of the arms opposite to those supporting the smoothing plates 68, 68 'against the return means 76, 76. This separated state makes it possible to place the dispensing device in contact with the edge. When the operator stops this action, the smoothing plates 68, 68 'respectively bear against the right and left sides 14' 14 'and ensure the calibration of the edges 18, 18' of the protective material 26.

Le dispositif comprend pour chaque bras une butée permettant de maintenir un écart minimal entre les plaques de lissage 68, 68'. Selon un mode de réalisation, les plaques de lissage 68, 68' comprennent chacune un décrochement 80 qui prend appui contre le corps 32 à l'état repos.The device comprises for each arm a stop to maintain a minimum distance between the smoothing plates 68, 68 '. According to one embodiment, the smoothing plates 68, 68 'each comprise a recess 80 which bears against the body 32 in the idle state.

Bien que décrit avec deux bras 72, 72' pivotant, le dispositif ne pourrait comprendre qu'un seul bras pivotant et une plaque de lissage mobile.Although described with two arms 72, 72 'pivoting, the device could include only one pivoting arm and a movable smoothing plate.

Avantageusement, au moins la surface 70, 70' des plaques de lissage est en un matériau favorisant le lissage de la résine. Selon un mode de réalisation illustré sur la figure 8, chaque plaque de lissage 68, 68' comprend une pastille 82 rapportée sur toute la surface 70, 70' en un matériau favorisant le lissage. Cette solution permet de changer seulement la pastille 82 en cas d'usure.Advantageously, at least the surface 70, 70 'of the smoothing plates is made of a material promoting the smoothing of the resin. According to an embodiment illustrated on the figure 8 each smoothing plate 68, 68 'comprises a pellet 82 reported over the entire surface 70, 70 'of a material promoting smoothing. This solution allows to change only the pellet 82 in case of wear.

Selon un mode de réalisation, les pastilles 82 sont en un matériau élastomère commercialisé sous la référence « Mosite ».According to one embodiment, the pellets 82 are made of an elastomer material marketed under the reference "Mosite".

Claims (11)

  1. Device for application of a protective material on one edge of a part, comprising a body (32) that is equipped with means for application of the protective material (26) on the edge (12), means (28) for calibrating the protective material (26) in terms of height after its application, at least one stop (30) that makes it possible to position the body (32) of the device relative to the edge (12), and means for calibrating the edges (18, 18') of the protective material (26) comprising two smoothing plates (68, 68') that rest respectively against the right surface (14) and the left surface (14') of the part adjacent to the edge (12), at least one of the two smoothing plates (68, 68') being movable relative to the other smoothing plate, characterized in that the body (32) comprises at least one arm (72, 72') that supports a smoothing plate (68, 68') and that pivots relative to the body (32) around an axis of rotation (74, 74') in such a way as to be able to regulate the spacing between the two smoothing plates (68, 68') and return means (76, 76') that tend to make said arm (72, 72') pivot in such a way as to bring the smoothing plates (68, 68') close together.
  2. Device according to Claim 1, wherein the axis of rotation (74, 74') is parallel to the surfaces of the part.
  3. Device according to Claim 2, wherein the axis of rotation (74, 74') is perpendicular to the edge.
  4. Device according to any of the preceding claims, wherein the smoothing plate (68, 68') is articulated relative to the arm (72, 72') that supports it along an axis (78, 78') that is parallel to the axis of rotation (74, 74') of the arm relative to the body (32).
  5. Device according to any of Claims 1 to 4, wherein each smoothing plate (68, 68') comprises a connected pellet (82) made of a material that promotes smoothing.
  6. Device according to any of Claims 1 to 5, wherein the means (28) for calibrating the protective material comprise a blade (56) with a rectilinear ridge, parallel to the edge (12).
  7. Device according to any of Claims 1 to 5, wherein the means (28) for calibrating the protective material comprise a pellet (58) with a smoothing surface that is parallel to the edge (12).
  8. Device according to any of Claims 1 to 5, wherein the means (28) for calibrating the protective material comprise a wheel (60) that pivots around an axis that is parallel to the edge (12).
  9. Device according to any of Claims 1 to 8, wherein it comprises means for adjusting the relative position of the means (28) for calibrating the protective material (26) relative to the positioning stop (30).
  10. Device according to any of Claims 1 to 9, wherein it comprises an elongated body (32) that comprises - at its lower surface (34) - two spaced pads (36, 36') that perform the function of a positioning stop (30).
  11. Device according to any of Claims 1 to 10, wherein it comprises means for making a protective-material supply gun (48) integral.
EP12305060.1A 2011-01-19 2012-01-17 Apparatus for applying a protective material to the edge of an article Active EP2478970B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150408A FR2970427B1 (en) 2011-01-19 2011-01-19 DEVICE FOR APPLYING A PROTECTIVE MATERIAL ON THE SONG OF A WORKPIECE

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EP2478970A1 EP2478970A1 (en) 2012-07-25
EP2478970B1 true EP2478970B1 (en) 2015-07-01

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EE201400037A (en) 2014-10-25 2016-05-16 Okei Meistrid Oü Device for smoothing of viscose building material applied to joints or gaps of surfaces
CN107405645A (en) * 2015-03-13 2017-11-28 3M创新有限公司 For the nozzle ports and method being assigned on portions cut panel
US10065206B2 (en) * 2015-05-04 2018-09-04 The Boeing Company Systems, methods, and apparatuses for applying viscous fluids to components
US10829667B2 (en) 2015-07-24 2020-11-10 The Boeing Company Method and apparatus for applying a strip of material over an edge on a structure
FR3034685A1 (en) * 2015-08-27 2016-10-14 Airbus Operations Sas NOZZLE FOR FLUID PRODUCT APPLICATION
DE102015219108A1 (en) * 2015-10-02 2017-04-06 Homag Gmbh Method and device for narrow-surface coating
US10307781B2 (en) * 2015-12-11 2019-06-04 Ford Global Technologies, Llc Vehicle component fabrication
US10363567B2 (en) 2016-02-29 2019-07-30 The Boeing Company Apparatuses for applying a glutinous substance
DE102018201392B4 (en) * 2018-01-30 2020-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for filling wells with a viscous material
FR3101262B1 (en) 2019-09-30 2021-10-22 Airbus Operations Sas Device for applying a product on a panel edge
CA3111697A1 (en) 2020-03-09 2021-09-09 Carl Smith Hand tool for application of a viscous material with movable guide
GB2616908A (en) * 2022-03-25 2023-09-27 Airbus Operations Ltd Sealant applicator

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DE3217152A1 (en) * 1982-05-07 1983-11-10 Henkel KGaA, 4000 Düsseldorf Apparatus for applying pasty products, and process for operating the apparatus
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EP2478970A1 (en) 2012-07-25
US20120180718A1 (en) 2012-07-19
FR2970427B1 (en) 2015-06-19
US8733276B2 (en) 2014-05-27
FR2970427A1 (en) 2012-07-20

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