EP1010469B1 - Système et procédé d'alimentation en peinture d'une installation de revêtement électrostatique - Google Patents

Système et procédé d'alimentation en peinture d'une installation de revêtement électrostatique Download PDF

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Publication number
EP1010469B1
EP1010469B1 EP99123855A EP99123855A EP1010469B1 EP 1010469 B1 EP1010469 B1 EP 1010469B1 EP 99123855 A EP99123855 A EP 99123855A EP 99123855 A EP99123855 A EP 99123855A EP 1010469 B1 EP1010469 B1 EP 1010469B1
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EP
European Patent Office
Prior art keywords
container
material removal
containers
station
spraying device
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EP99123855A
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German (de)
English (en)
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EP1010469A3 (fr
EP1010469A2 (fr
Inventor
Thomas Dipl.-Ing. Hezel
Stefan Esslinger
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Duerr Systems AG
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Duerr Systems AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/16—Arrangements for supplying liquids or other fluent material
    • B05B5/1608—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive
    • B05B5/1616—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material
    • B05B5/1625—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material the insulating means comprising an intermediate container alternately connected to the grounded material source for filling, and then disconnected and electrically insulated therefrom
    • B05B5/1633—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive and the arrangement comprising means for insulating a grounded material source from high voltage applied to the material the insulating means comprising an intermediate container alternately connected to the grounded material source for filling, and then disconnected and electrically insulated therefrom the arrangement comprising several supply lines arranged in parallel, each comprising such an intermediate container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1463—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet separate containers for different materials to be sprayed being moved from a first location, e.g. a filling station, where they are fluidically disconnected from the spraying apparatus, to a second location, generally close to the spraying apparatus, where they are fluidically connected to the latter

Definitions

  • the invention relates to a method and a system for ink supply of an electrostatic coating system according to the preamble of the independent claims, which are particularly suitable for the serial coating of vehicle bodies.
  • Such a method and system is known from EP0792695.
  • a paint supply system for an electrostatic coating machine is also known from EP 0 792 695, in which containers which can be filled with the coating material are arranged on a support rotatably mounted in the coating machine and from this support from a filling point to a removal point remote from the filling point and from there are pivotable back to the filling point.
  • the containers are connected via movable color couplings at the sampling point with the sprayer and at the filling with a color changer. During the removal of material during the coating, the containers are thus separated from the external supply lines connected to the color changer, while they are disconnected from the spraying device during filling.
  • no movements of the rotatable base are possible, which u.a. result in relatively long material change times.
  • coating systems are also preferred in which the atomizers are supplied from the coating machine externally supplied interchangeable containers.
  • the invention has for its object to provide a method and system for supplying ink to an electrostatically-working coating system with sprayable replaceable containers for water-based paint or similar conductive coating material, in which without sacrificing the principal advantages of the known system applied to the spray high voltage when changing the container does not have to be turned off, so that there is the possibility not to interrupt the coating operation when changing the container.
  • a first aspect of the invention there is the advantage that the desired supply principle with a possibly considerable number of relatively small interchangeable containers (cartridges) with conductive coating material is made possible even with continuous high-voltage spraying device and the material removal point when inserting the container may be at high voltage even though the entire service area for these containers is grounded.
  • the invention has the advantage that an endless painting of an unlimited number of containers is made possible, which can be replaced after use without interruption of the coating operation against new containers of the same color type, as long as no color change is required. Also, the color change can be carried out with the least possible loss of time.
  • the system shown in Fig. 1 is used for color paint supply of a continuous high-voltage spray device 10, which may consist of one or more electrostatic rotary atomizers per se conventional type with upstream metering pump 11, for example.
  • the spraying device 10 is preceded by a distributor valve arrangement 12, to which two lines 14 and 15 serving as color channels are connected or connectable, which can optionally be connected to the spraying device 10 via the distributor valves.
  • a distributor valve arrangement 12 Between each of the conduits 14 and 15 and the manifold valve assembly 12 is one in the illustrated example Disconnect 16 and 17 connected, the driven by a pneumatic cylinder and piston unit coupling member is movable over an insulating distance, which is sufficient to isolate the high-voltage spray device 10 to earth.
  • the spraying device 10, the distributor valve assembly 12 and the separating couplings 16, 17 may be located in a movable coating machine part 18, for example in the roof beam of a conventional roofing machine for motor vehicle coating.
  • the material change area 20 further includes various grounded supply points 3, 4, 4 'and 4 "for replaceable containers (not shown in Fig. 1) to be inserted into the material removal points 1, 2. After insertion into the supply point 3 via a color change valve arrangement FW in the usual way is connected to ring lines, emptied containers themselves can be filled for reuse in the container exchange area 20. At the supply locations 4 to 4 ", which can serve as buffer locations, externally filled containers are to be provided and / or after use can be removed again from the container exchange region 20.
  • the system can be fitted to the buffer or supply points 4, 4 'and / or 4 "manually with containers, which is useful especially for containers with relatively rarely required special colors can be and the provision of a practically un limited Variety of available shades possible.
  • a rotatable container magazine (not shown) for a plurality of interchangeable container can be provided to one of the supply points 4, 4 'or 4 ".
  • the material removal points 1 and 2 can be continuously applied to the applied high voltage during continuous coating operation by the spray device 10 via the lines 14, 15 connected to it 2 and 3), which ensure the required high-voltage insulation of the material removal points against the grounded parts of the container exchange region 20.
  • the container changing device arranged in the region 20 essentially consists of a rotatably mounted grounded rotary table 22 on which two gripper devices 23 and 23 'are mounted.
  • Each gripping device has a drive device 24 or 24 ', for example in the form of a pneumatic piston and cylinder unit for a preferably straight, eg rod-like insulating 25 and 25', at the free end of a gripper 26 and 26 'is arranged.
  • the grippers 26 and 26 ' may be made of metal. Arrangement and design of the Isolierarms 25, 25 'are such that the gripper 26, 26' when inserting a container in the material removal points 1, 2 against the earthed parts of the gripping device 23, 23 'connected to the gripper are insulated.
  • the two grippers 26, 26 ' are independently movable.
  • the Isoliertier is indicated by the arrow 30 and forms in the illustrated example a concentric to the axis of rotation of the turntable 22 arcuate insulating region in a horizontal plane in the example described in parallel to the directions of movement of the gripper.
  • the two isolated material removal points 1, 2 are on a concentric to the turntable axis circular arc on which also serve to supply the system with filled containers supply points 3, 4, 4 'and 4'', so that they as well as the material removal points 1, 2 of each of the two grippers 26, 26 'can be reached.
  • the linear directions of movement of the two grippers 26 and 26 'can intersect one another according to FIG.
  • the replaceable containers may correspond to the metering cylinders described in EP 0 796 664 and 0 796 665, which however may preferably be emptied by pressurizing their inner piston.
  • the material removal points 1 and 2 are connected through the separating clutches 16, 17 located in the connection position to the high-voltage spraying device 10, ie continuously via the lines 14 and 15 High voltage. It is also assumed that the spraying device 10 is supplied by its metering pump 11 via the distributor valve arrangement 12 coating material from a container used in the material removal point 1. Thus, while the coating material is sprayed from this container, at the same time, for example, a second container in the supply point 3 can be filled by the color changer connected there.
  • the second container After filling the second container is removed from one of the gripping means 23 or 23 'from the supply point 3, pivoted by turning the turntable 22 in the position shown in the drawing, to reach the second material removal point 2 required position and then by extending the respective gripper 26th or 26 'across the insulating section 30 away in the high-voltage material removal point 2 used. There is the until then at Erdpotential befindiche container automatically raised to the high voltage potential of the spray, with any unwanted sudden potential change can be avoided by appropriate means.
  • the second container can be connected in parallel by opening the associated valve of the distributor valve assembly 12 to the first container, so be connected to the same spraying device 10 for material removal. The spraying operation can thus be continued without interruption.
  • the distributor valve arrangement 12 connects the second container to the spraying device only when it has interrupted its connection after emptying the first container. While the spraying device 10 is now supplied from the second container, the first container can be removed from the material removal point 1 by one of the gripping devices 23 or 23 'and either brought to the supply point 3 for filling or instead to one of the buffer supply points 4, 4 'or 4', where it can be removed from the system and replaced with an externally filled container, so that the container coming from the material removal point with high voltage potential can be easily and properly discharged when the gripper is withdrawn into the grounded area of the system to bridge the insulating arm 25, 25 'by a suitably sized resistor connected between the grippers 26, 26' and earth.
  • the grippers After inserting a container in one of the material removal points 1 and 2, the grippers are in the example considered in each case again released from the container remaining in the material removal point and moved back to its retracted initial position.
  • the separating clutches 16 and 17 are useful here for additional functions not to be described in detail, especially in a color change. For similar reasons, run from the manifold valve assembly 12 via the illustrated additional disconnect couplings isolated rinsing and return hoses 33 and from the material removal points 1 and 2 additional return lines 31 from the movable machine part 18 and from the container exchange area 20 out.
  • the disconnect couplings 16 and 17 could be used in the described continuous spraying operation but possibly also for high-voltage insulation of the sprayer 12 of the grounded material change device, especially if a container exchange device is provided without the function of isolated gripper.
  • the two material removal points 1 and 2 are each located in a cylinder housing 41 or 42 made of insulating material.
  • the two cylinder housings 41, 42 stand with their longitudinal axes vertically on a stationary base in or next to the coating machine, that is perpendicular to the horizontally assumed movement plane of the insulating arms of the gripping devices (23 in Fig. 1) shown at 43.
  • the cylinder housings 41 and 42 all stationary parts of the material removal points 1, 2 are included, which are placed on high voltage.
  • the spacing of these high voltage parts from the metallic grounded parts of the turntable 22 and the gripping means and thus the above-mentioned insulating distance is at least as large as the prescribed and standardized minimum air insulation distance for a given high voltage (380 mm in a typical example).
  • gripping means 43 and 43 ' are provided which have an insulating arm 25 or 25' in the form of a straight elongated body of insulating material, at its one, the material removal points 1, 2 opposite end on the piston as a drive means 24th (Fig. 1) serving pneumatic cylinder unit 44 is attached.
  • the insulating arm 25, 25 ' carries an oblong, extending vertically with its longitudinal axis, ie transverse to the plane of movement of the insulating arms extending housing 46 and 46 'of insulating material, which is attached to the end face of the insulating.
  • the metallic gripper elements are housed with which the gripping device 43 releasably on retaining elements (not shown) on the cylindrical outer side of the interchangeable, can be detected at 48 recognizable paint container.
  • the total length of the insulating body formed from the insulating arm 25 and the attached insulating 46 is dimensioned so that the required for a given high voltage insulation between the metallic gripper elements and earth is ensured.
  • Fig. 2 and 3 the supply point 3 is further shown in more detail with their color change valve arrangement FW, in Fig. 2 without color container.
  • the color change valve assembly FW is connected to a connector 50 which includes valve ports to which ports for filling are provided in the bottom of the cylindrical paint containers.
  • Corresponding connection openings are located at the bottom of the material removal points 1 and 2 within the cylinder housing 41 and 42 for the removal of material from the containers.
  • the insulating cylinder housings 41, 42 have in their cylindrical wall each one of the turntable 22 facing opening 52 for insertion of the container 48.
  • the opening 52 is dimensioned so that the container can pass together with the insulating housing 46 of the respective gripping device 43.
  • the opening 52 is closed by a cylindrical outer wall correspondingly curved shield-like cover 54 made of insulating material, which is pushed away only for inserting and removing a container for releasing the opening 52, so that during the remaining time all high-voltage parts of the container exchange region 20 (FIGS. Fig. 1) are securely enclosed. This has the advantage of reducing the space requirement.
  • the turntable 22 is preferably made of metal and, like the cylinder units 44 and all other on the side facing away from the cylinder housings 41, 42 side of the insulating arms 25, 25 'continuously grounded conductive parts.
  • Fig. 2 shows a gripping device 43, for example, when removing a first container from the cylinder housing 41 of a material removal point 1, while the second gripping device 43 'holding another container 48 outside the material removal points for insertion into the same cylinder housing 41. While the first container is removed from the removal point 1 and returned to the grounded turntable 22, it is also connected to earth via the above-mentioned discharge resistor.
  • Fig. 3 the changing device is shown in the subsequent position in which the second container 48 has been inserted into the now re-closed cylinder housing 41 and removed from there first container 48 'has been connected by the gripping device 43 in the supply point 3 to the color change valve arrangement is.
  • the two gripping means 43 and 43 ' are not mounted on the turntable 22 so that their directions of movement in the material removal points 1 and 2 intersect. To reduce the space they are here rather closely juxtaposed with approximately parallel (or with a small angle to each other inclined) directions of movement of their insulating arms 25, 25 'mounted. Because of this less bulky arrangement, the turntable 22 must make a small angular movement between the removal of a container and the insertion of the provided new container 48 in the same material removal point 1 to bring the new container in the required position for insertion.

Landscapes

  • Electrostatic Spraying Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)

Claims (24)

  1. Procédé d'alimentation en peinture d'une installation de revêtement électrostatique pour le revêtement en série de pièces, notamment de carrosseries de véhicule, comprenant un dispositif de pulvérisation (10) sous haute tension,
    des récipients (48) interchangeables pouvant être reliés au dispositif de pulvérisation (10) étant mis à disposition ou remplis d'un matériau de revêtement d'une peinture pouvant être sélectionnée en un point d'alimentation (3, 4) mis au potentiel terrestre, tandis qu'ils sont découplés et isolés du dispositif de pulvérisation (10),
    les récipients (48) étant déplacés par un dispositif de changement (22, 26) du point d'alimentation (3, 4) vers un point de prélèvement de matériau (1, 2) distant de celui-ci, où ils sont reliés au dispositif de pulvérisation (10), et les récipients, après utilisation, étant ramenés au ou à un autre point de prélèvement de matériau (3, 4),
    caractérisé en ce que les récipients (48) interchangeables sont déplacés par une pince (26) sensiblement isolée par rapport à la terre en direction du point de prélèvement de matériau (1, 2) mis dans ce cas sous haute tension par le dispositif de pulvérisation (10) le long d'un trajet isolant (30) suffisant pour l'isolation en haute tension du point de prélèvement de matériau (1) par rapport à la terre.
  2. Procédé selon la revendication 1,
    caractérisé en ce que les récipients (48) sont déplacés linéairement le long du trajet isolant (30).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que pendant que le matériau est prélevé d'un récipient (48) inséré dans un premier point de prélèvement (1), un autre récipient est déplacé par le dispositif de préhension (23) sur le trajet entre un point d'alimentation (3, 4) mis à la terre et un second point de prélèvement de matériau (2).
  4. Procédé selon la revendication 1,
    caractérisé en ce qu'au moins deux récipients (48) contenant un matériau de revêtement à pulvériser sont mis à disposition en chaque point de prélèvement de matériau (1, 2) et sont reliés simultanément au dispositif de pulvérisation (10) sous haute tension par l'intermédiaire de respectivement une liaison conductrice (14, 15).
  5. Procédé selon la revendication 4,
    caractérisé en ce que le premier récipient est relié au dispositif de pulvérisation (10) sous haute tension pour prélever le matériau,
    en ce qu'après le prélèvement de matériau du premier récipient, la liaison entre celui-ci et le dispositif de pulvérisation (10) pour le matériau est bloquée,
    en ce qu'au blocage de la liaison entre le premier récipient et le dispositif de pulvérisation (10), le second récipient est relié au dispositif de pulvérisation pour prélever le matériau,
    et en ce que le premier récipient, pendant que le matériau est prélevé du second récipient, est transporté par le dispositif de changement (22, 26) en direction d'un point de remplissage ou d'un autre point d'alimentation (3, 4) ou est remplacé par un troisième récipient déjà rempli.
  6. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que la liaison entre les points de prélèvement de matériau (1, 2) et le dispositif de pulvérisation (10) est établie et interrompue par un débrayage (16, 17).
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que les récipients sont vidés aux points de prélèvement de matériau (1, 2) par un déplacement à commande programmée d'un piston dans le récipient et raccordés au point d'alimentation (3, 4) à un agencement de soupape de changement de peinture (FW) ou, après utilisation, remplacés par un autre récipient précédemment mis à disposition.
  8. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que la direction de déplacement de la pince (26) pivote selon un mouvement de va-et-vient depuis une base rotative (22) autour de son axe rotatif entre les points de prélèvement de matériau et d'alimentation (1 à 4).
  9. Système d'alimentation en peinture d'une installation de revêtement électrostatique pour le revêtement en série de pièces, notamment de carrosseries de véhicule,
    comprenant un dispositif de pulvérisation (10) sous haute tension,
    comprenant un point d'alimentation (3, 4) mis au potentiel terrestre, au niveau duquel les récipients interchangeables pouvant être reliés au dispositif de pulvérisation (10) peuvent être mis à disposition ou remplis d'un matériau de revêtement d'une couleur pouvant être sélectionnée, et comprenant un dispositif de changement de récipient (22, 26), avec lequel les récipients peuvent être déplacés du point d'alimentation (3, 4) à un point de prélèvement de matériau (1, 2) distant de celui-ci, où ils peuvent être reliés par une conduite (14, 15) au dispositif de pulvérisation (10), et avec lequel les récipients, après utilisation, peuvent être ramenés au ou à un autre point d'alimentation (3, 4),
    un dispositif de préhension (23, 43) étant prévu pour remplacer les récipients, lequel est disposé sur une base (22) mise à la terre et présente au moins une pince (26) mobile par rapport à la base (22), pouvant s'appliquer de manière détachable contre le récipient respectif,
    caractérisé en ce que la pince (26) est reliée sensiblement avec un isolement en haute tension à une partie (24) mise au potentiel terrestre du dispositif de préhension (23, 43) et peut être déplacée en direction du point de prélèvement de matériau (1, 2) et à distance de celui-ci le long d'un trajet isolant (30), qui est dimensionné pour isoler en haute tension le point de prélèvement de matériau (1, 2) mis dans ce cas sous haute tension par le dispositif de pulvérisation (10) par rapport à la terre.
  10. Système selon la revendication 9,
    caractérisé en ce qu'au moins deux points de prélèvement de matériau (1, 2) disposés en étant isolés par rapport à la terre sont prévus, qui sont reliés conjointement au dispositif de pulvérisation (10) par des conduites montées en parallèle (14, 15) et un agencement de soupapes (12) et peuvent être mis sous haute tension par celui-ci.
  11. Système selon la revendication 9 ou 10,
    caractérisé en ce que la pince (26) peut être déplacée linéairement par un dispositif d'entraînement (24), qui est monté sur une base (22) logée de manière rotative ou pivotante, le long d'un trajet isolant (30).
  12. Système selon l'une quelconque des revendications 9 à 11,
    caractérisé en ce que la pince (26) est disposée sur un bras isolant (25) relié à un dispositif d'entraînement (24), lequel bras isole la pince par rapport à la terre lorsque le récipient est inséré dans le point de prélèvement de matériau (1, 2) sous haute tension.
  13. Système selon l'une quelconque des revendications 9 à 12,
    caractérisé en ce qu'un point d'alimentation (3) mis à la terre, raccordé à un agencement de soupapes de remplacement de peinture (FW), pour remplir les récipients interchangeables en ce point (3) et/ou un ou plusieurs point(s) d'alimentation ou de changement de peinture (4) mis à la terre, pour mettre à disposition les récipients remplis et/ou pour prélever les récipients usagés, sont prévus.
  14. Système selon l'une quelconque des revendications 9 à 13,
    caractérisé en ce qu'au moins deux pinces (26, 26') mobiles indépendamment l'une de l'autre sont prévues, dont les directions de déplacement linéaires se coupent mutuellement au ou aux point(s) de prélèvement de matériau (1, 2) et/ou au ou aux point(s) d'alimentation ou de remplacement de récipient (4, 4', 4").
  15. Système selon l'une quelconque des revendications 9 à 14,
    caractérisé en ce que la ou les pince(s) (26, 26') est(sont) montée(s) sur un plateau rotatif (22) monté de manière rotative, avec lequel leurs directions de déplacement linéaires peuvent pivoter avec une commande programmée entre les points de prélèvement de matériau et d'alimentation ou de changement de récipient (3, 4).
  16. Système selon l'une quelconque des revendications 9 à 15,
    caractérisé en ce que le ou chaque point de prélèvement de matériau (1, 2) est relié au dispositif de pulvérisation (10) par une conduite (14, 15) disposée en étant isolée par rapport à la terre et un débrayage (16, 17), dont débrayage est dimensionné pour isoler la haute tension par rapport à la terre.
  17. Système selon l'une quelconque des revendications 9 à 16,
    caractérisé en ce que deux points de prélèvement de matériau (1, 2) pour la liaison au dispositif de pulvérisation (10) par l'intermédiaire de respectivement une conduite (14, 15) sont raccordés ou peuvent être raccordés à un agencement de soupapes de distribution (12) monté en amont des dispositifs de pulvérisation (10), agencement avec lequel le dispositif de pulvérisation (10), au raccordement simultané des deux points de prélèvement de matériau (1, 2), peut être alimenté au choix à partir d'un récipient inséré dans le premier point de prélèvement de matériau (1) ou d'un autre récipient inséré dans le second point de prélèvement de matériau (2).
  18. Système selon la revendication 17,
    caractérisé en ce qu'au moins une conduite (30) additionnelle est raccordée à l'agencement de soupapes de distribution (12) ou peut être raccordée par un débrayage isolant la haute tension, conduite à travers laquelle le matériau de revêtement restant à l'occasion d'un changement de peinture et/ou le liquide de rinçage sont acheminés.
  19. Système selon l'une quelconque des revendications 9 à 18,
    caractérisé en ce qu'une conduite additionnelle (13) est raccordée au point de prélèvement de matériau (1, 2), conduite à travers laquelle le matériau restant à l'occasion d'un changement de peinture et/ou le liquide de rinçage sont acheminés.
  20. Système selon l'une quelconque des revendications 12 à 19,
    caractérisé en ce que le bras isolant (25) est monté sur le piston d'une unité de cylindre pneumatique (44) et porte à son extrémité libre un boîtier (46) en matériau isolant de forme allongée, s'étendant avec son axe longitudinal transversalement à la direction de déplacement linéaire du bras isolant (25), boîtier dans lequel sont logés les éléments de préhension métalliques.
  21. Système selon la revendication 20,
    caractérisé en ce que les éléments de préhension peuvent être déplacés par un dispositif d'entraînement par rapport au bras isolant (25) transversalement à leur axe longitudinal et parallèlement à l'axe longitudinal des récipients (48) interchangeables généralement cylindriques.
  22. Système selon l'une quelconque des revendications 9 à 21,
    caractérisé en ce que le point de prélèvement de matériau (1, 2) se situe dans un cylindre de boîtier (41, 42) en matériau isolant disposé avec son axe longitudinal perpendiculairement au plan de déplacement du bras isolant (25), lequel cylindre présente une ouverture (52) destinée à insérer les récipients (48).
  23. Système selon la revendication 22,
    caractérisé en ce que l'ouverture (52) du cylindre de boîtier (41, 42) peut être fermée par un couvercle (54).
  24. Système selon l'une quelconque des revendications 9 à 23,
    caractérisé en ce que le trajet d'isolement (30) est formé par la distance entre les éléments sous haute tension des points de prélèvement de matériau (1, 2) et le bord le plus proche de la base métallique mise à la terre (22) ou les éléments (44) mis à la terre situés sur la base.
EP99123855A 1998-12-17 1999-12-01 Système et procédé d'alimentation en peinture d'une installation de revêtement électrostatique Expired - Lifetime EP1010469B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19858397 1998-12-17
DE19858397A DE19858397A1 (de) 1998-12-17 1998-12-17 Verfahren und System zur Farbversorgung einer elektrostatischen Beschichtungsanlage

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EP1010469A2 EP1010469A2 (fr) 2000-06-21
EP1010469A3 EP1010469A3 (fr) 2003-02-05
EP1010469B1 true EP1010469B1 (fr) 2006-11-02

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EP99123855A Expired - Lifetime EP1010469B1 (fr) 1998-12-17 1999-12-01 Système et procédé d'alimentation en peinture d'une installation de revêtement électrostatique

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EP (1) EP1010469B1 (fr)
AT (1) ATE344103T1 (fr)
DE (2) DE19858397A1 (fr)
ES (1) ES2274601T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19940542A1 (de) * 1999-08-26 2001-03-01 Abb Patent Gmbh Verfahren und Anordnung zum Transport von elektrisch leitfähigem Lack
DE19940541A1 (de) * 1999-08-26 2001-03-01 Abb Patent Gmbh Verfahren und Anordnung zum Transport von elektrisch leitfähigem Lack
DE10059041C2 (de) 2000-11-28 2002-11-14 Lactec Ges Fuer Moderne Lackte Verfahren und Vorrichtung zum Fördern von elektrisch leitfähigen Lacken zwischen unterschiedlichen Spannungspotenzialen
DE10120272A1 (de) 2001-04-25 2002-10-31 Duerr Systems Gmbh Verfahren zur Betriebssteuerung einer Beschichtungsanlage
DE10145169A1 (de) 2001-09-13 2003-04-03 Duerr Systems Gmbh Verfahren zum serienweisen Beschichten von Werkstücken

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Publication number Priority date Publication date Assignee Title
NL187613C (nl) 1978-01-11 1991-12-02 Akzo Nv Inrichting voor het elektrostatisch verspuiten van elektrisch geleidende lak.
US4313475B1 (en) 1980-06-26 1994-07-12 Nordson Corp Voltage block system for electrostatic coating with conductive materials
FR2609252B1 (fr) 1987-01-02 1989-04-21 Sames Sa Installation de projection de produit de revetement tel que par exemple une peinture et notamment installation de projection electrostatique de peinture a base d'eau
DE4013937A1 (de) 1990-04-30 1991-10-31 Behr Industrieanlagen Verfahren und anlage zum serienweisen beschichten von werkstuecken mit leitfaehigem beschichtungsmaterial
DE4013938A1 (de) 1990-04-30 1991-10-31 Behr Industrieanlagen Verfahren und anlage zum serienweisen beschichten von werkstuecken mit leitfaehigem beschichtungsmaterial
US5549755A (en) * 1994-12-08 1996-08-27 Nordson Corporation Apparatus for supplying conductive coating materials including transfer units having a combined shuttle and pumping device
JP3245040B2 (ja) * 1996-02-29 2002-01-07 トリニティ工業株式会社 静電塗装機
DE19610589A1 (de) * 1996-03-18 1997-09-25 Duerr Gmbh & Co Verfahren und System zur Farbversorgung einer Beschichtungsanlage
DE19610588B4 (de) * 1996-03-18 2010-08-05 Dürr Systems GmbH Beschichtungsmaschine mit auswechselbarem Behälter

Also Published As

Publication number Publication date
DE19858397A1 (de) 2000-06-21
ATE344103T1 (de) 2006-11-15
DE59913959D1 (de) 2006-12-14
EP1010469A3 (fr) 2003-02-05
ES2274601T3 (es) 2007-05-16
EP1010469A2 (fr) 2000-06-21

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