EP2810719B1 - Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement - Google Patents

Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement Download PDF

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Publication number
EP2810719B1
EP2810719B1 EP14002527.1A EP14002527A EP2810719B1 EP 2810719 B1 EP2810719 B1 EP 2810719B1 EP 14002527 A EP14002527 A EP 14002527A EP 2810719 B1 EP2810719 B1 EP 2810719B1
Authority
EP
European Patent Office
Prior art keywords
coating agent
doser
storage container
atomizer
filling
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.)
Revoked
Application number
EP14002527.1A
Other languages
German (de)
English (en)
Other versions
EP2810719A1 (fr
Inventor
Rainer Melcher
Semih Erlik
Frank Herre
Manfred Michelfelder
Michael Baumann
Herbert Martin
Bernhard Seiz
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.)
Duerr Systems AG
Original Assignee
Duerr Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Priority claimed from DE102005048223A external-priority patent/DE102005048223A1/de
Priority claimed from DE102005060959A external-priority patent/DE102005060959A1/de
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP2810719A1 publication Critical patent/EP2810719A1/fr
Application granted granted Critical
Publication of EP2810719B1 publication Critical patent/EP2810719B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B05B12/1409—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 the selection means being part of the discharge apparatus, e.g. part of the spray gun
    • 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
    • B05B5/1641—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 an additional container being provided downstream the 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
    • 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
    • B05B5/1675—Arrangements for supplying liquids or other fluent material the liquid or other fluent material being electrically conductive the supply means comprising a piston, e.g. a piston pump
    • 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
    • B05B12/1418—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 for supplying several liquids or other fluent materials in selected proportions to a single spray outlet
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces

Definitions

  • the invention relates to a coating agent supply device, in particular for a paint shop, and an associated operating method according to the preamble of the independent claims.
  • WO 2004/037436 A1 is a multi-axis painting robot known, which has a rotary atomizer as an application device and can be used, for example, for painting automotive body panels.
  • the supply of the paint to be applied takes place here by a piston dispenser, which is mounted on an arm of the painting robot and is at a high voltage potential, so that the applied by the rotary atomizer paint is electrically charged, resulting in a good order efficiency over the electrically grounded motor vehicle body parts or the other components to be painted.
  • a color changer is still arranged, which is supplied via numerous color supply lines with paints of different colors, the color changer allows the selection of the desired color and supplies the piston dispenser with the associated paint.
  • the color changer In operation, the color changer is at an electrical ground potential, so that the numerous color leads must not be made electrically insulating.
  • the connection between the color changer and the piston dispenser is effected by an insulation tube which ensures electrical insulation between the color changer lying at ground potential and the piston dispenser for painting at high-voltage potential.
  • the electrical potential separation between the color changer and the piston dispenser is achieved by rinsing and cleaning the insulation tube.
  • the piston dispenser must be refilled even without a color change when the entire filling volume of the piston dispenser has been applied by the rotary atomizer.
  • the refilling of the piston dispenser by the color changer is also relatively time-consuming, which slows down the painting process.
  • a painting robot is also known in which a metering pump and a color changer are arranged together in a robot arm of the painting robot, which is associated with the disadvantages mentioned above.
  • the atomizer can be optionally connected to one of the two piston dispenser, while the other piston dispenser is filled.
  • the selection of the desired piston meter takes place here by a complex turning mechanism.
  • Out DE 691 09 823 T2 and DE 690 01 744 T2 is an electrostatic paint spraying system with two coating agent known, which are arranged one behind the other in the flow direction and separated by an insulating distance.
  • the separation of the two coating agent tanks through the insulating section makes it possible to place the downstream coating agent tank at high voltage potential during the paint application, while the upstream one Coating agent tank is at ground potential and therefore can be easily filled with paint.
  • the invention is therefore based on the object to improve the known coating agent supply device accordingly.
  • the invention includes the general technical teaching not to fill the coating agent metering device (e.g., a piston dispenser) directly from the color changer, but indirectly via a coating agent storage container therebetween.
  • This offers the possibility that the coating agent storage container is already filled during coating with coating material and not only in the color change times, which contributes to a reduction of the color change times.
  • the transfer from the coating agent storage container into the coating agent metering device can be done due to the short and direct connection with very large volume flow.
  • the continuous filling of the coating agent storage container during painting also offers the advantage that due to the time available for filling relatively small paint volume flows in the supply lines (eg color ring lines and special paint supply) sufficient so that the associated lines a smaller Can have line cross-section, whereby the installation costs are reduced.
  • a coating agent metering device or metering device preferably denotes a device with which during coating the amount of coating material to be supplied to the application device (Instantaneous flow) can be changed as needed, for example depending on the respective workpiece area and other parameters, such as in EP 1 314 483 A2 or DE 691 03 218 T2 is explained.
  • This possibility does not exist in known systems in which only by controlled adjustment of a piston, the filling volume of a container is set, such as at DE 690 01 744 T2 ,
  • the coating agent dosing device here is for painting at a high voltage potential, while the coating agent storage tank is at a near-ground potential (preferably ground potential), wherein the coating agent storage tank is connected via an insulating with the coating agent dosing to the coating material lying at high voltage potential Doser isolate against the grounded coating agent storage tank.
  • the electrical potentials of the coating agent metering agent and the coating agent storage container are preferably switchable, so that the coating agent metering device is brought to high voltage potential only for painting, whereas the high voltage for filling the coating agent metering device can be switched off.
  • the coating agent storage container may also be connected directly to the coating agent supply line.
  • the docking interface for the connection of the coating agent metering device with the coating agent storage container can in this case be mounted in the painting robot, for example in a robot arm, so that the docking interface with the painting robot is movable. additionally To the docking interface, a color changer can also be arranged in the painting robot.
  • the docking interface is arranged stationary outside the painting robot.
  • the docking interface there is the possibility that the docking interface mittex with the painting robot by the docking interface is mounted for example on the axis 7 of the painting robot.
  • the coating agent storage container on an adjustable storage volume, wherein the storage volume is adjustable for example by a compressed air-operated piston.
  • this offers the possibility that the new coating agent remaining in the coating agent storage container after the filling of the coating agent metering device is pushed back out of the coating agent storage container back into the coating agent supply line, which is also referred to as "reflow".
  • this "reflow” reduces the coating agent consumption, since the new coating agent remaining in the coating agent storage container after the filling of the coating agent metering device can continue to be used.
  • the cleaning of the coating agent storage container is facilitated thereby, so that less detergent is needed.
  • the coating agent metering device is preferably a piston dispenser, as described, for example, in the document mentioned above WO 2004/037436 A1 is described.
  • the content of this document is therefore the present Description regarding the construction and operation of a piston dispenser.
  • the invention is not limited to piston dispensers with regard to the type of coating agent dispenser, but in principle can also be implemented with other types of dispensers.
  • the coating agent storage container is preferably a cylinder with a storage piston which is displaceably arranged in the cylinder, wherein the drive of the storage piston can be carried out, for example, by an electric motor, hydraulically or pneumatically. The position of the storage piston then determines the storage volume of the coating agent storage container.
  • the invention is particularly advantageous for the application of water-based paint, but the invention is not limited to water-based paint with respect to the coating agent to be applied, but in principle also feasible with other types of coating agents.
  • the invention comprises not only the coating agent supply device according to the invention described above, but also a complete painting robot with such a coating agent supply device.
  • the coating agent metering device and the coating agent storage container are preferably arranged in or on one or more robot arms of the painting robot.
  • the invention also encompasses a corresponding operating method, as already apparent from the present description of the coating agent supply device according to the invention.
  • FIG. 1 illustrated embodiment of a non-inventive coating agent supply device described, which can be arranged for example on a robot arm of a painting robot, as in the already mentioned above document WO 2004/037436 A1 is described for a conventional coating agent supply device, so that the contents of this document with respect to the structure and operation of the painting robot and the other components of the present description is fully attributable.
  • the illustrated coating agent supply device has a coating agent metering device 1, which in this exemplary embodiment is a piston metering device.
  • the coating agent metering device 1 has a cylinder 2 and a metering piston 3 displaceable in the cylinder 2 in the direction of the arrow, the drive of the metering piston 3 being effected mechanically by a push rod 4, which can be driven, for example, by an electric motor, pneumatically or hydraulically.
  • a metering volume 5 which is adjustable by a displacement of the metering piston 3 in the cylinder 2.
  • the metering volume 5 with the coating agent contained therein (eg water-based paint) is in operation at a high voltage potential, as symbolized by the high voltage symbol shown.
  • the coating agent delivered by the coating agent supply device is therefore also at a high-voltage potential, which contributes to a good application efficiency in the case of an electrostatic coating.
  • the metering volume 5 opposite side of the cylinder 2 and the push rod 4, however, is at a ground potential, as symbolized by the grounding sign also shown.
  • For electrical isolation of the cylinder 2 and the push rod 4 therefore consist of an electrically insulating material.
  • the material of the cylinder 2 and the push rod 4 must On the other hand, however, be sufficiently rigid in order to achieve a sufficient metering accuracy.
  • the materials and structural details required for potential separation are, for example, in the document DE 102 33 633 A1 so that the contents of this document are fully attributable to the structure and operation of the coating agent metering device 1 of the present specification.
  • a coating agent storage container 6 which consists essentially of a cylinder 7 and a displaceable in the cylinder 7 accumulator piston 8, wherein the accumulator piston 8 is pneumatically driven via a compressed air line 9 and thus an adjustable storage volume 10 in the cylinder 7 includes.
  • the entire coating agent storage container 6 is in this case at a ground potential, as symbolized by the grounding symbol.
  • the supply of the coating agent storage container 6 is effected by a coating agent supply line 11, which opens into the storage volume 10 and emanates, for example, from a conventional color changer or a loop.
  • the withdrawn volume flow also depends on the viscosity of the removed coating agent.
  • a low viscosity of the coating agent leads to a relatively large volume flow from the loop.
  • a high viscosity of the coating agent leads to a correspondingly low volume flow during removal.
  • the viscosity of the coating agent is therefore preferably taken into account, so that the filling of the coating agent storage container 6 is always independent of the viscosity of the coating agent with a constant low flow rate.
  • the filling of the coating agent storage container 6 is preferably carried out until the accumulator piston 8 abuts a predetermined stop, whereby the maintenance of a defined filling quantity is ensured.
  • the pneumatic backpressure on the accumulator piston 8 is set at the beginning of a removal to a predetermined value and then not regulated.
  • the back pressure is then not regulated, but increases with increasing filling of the coating agent storage container 6 accordingly, so that the back pressure is a measure of the degree of filling of the coating agent storage container 6.
  • the back pressure is continuously measured.
  • the filling of the coating agent storage container 6 is then terminated. At a defined initial volume flow at the beginning of the filling of the coating agent storage container 6 is filled in this way with a defined amount of the coating agent.
  • the coating agent storage container 6 From the storage volume 10 of the coating agent storage container 6 further branches off an insulation tube 12, which opens into the metering volume 5 of the coating agent metering 1, the insulation tube 12 in the deflated and cleaned state, the coating agent storage container 6 with respect to the coating agent metering device 1 electrically insulated , which in itself from the already mentioned document WO 2004/037436 A1 is known, so that its content in terms of the structure and operation of the insulating tube 12 of the present description is fully attributable.
  • the insulation tube 12 has a larger line cross-section than the coating supply line 11, so that the coating agent metering device 1 can be filled as quickly as possible from the coating agent storage container 6, as will be described in detail.
  • the smaller line cross section of the coating agent supply line 11 is harmless, since the filling of the coating agent storage container 6 takes place during painting, so that sufficient time is available for the filling of the coating agent storage container 6.
  • the lower cost of the smaller cross-section of the coating agent supply line 11 is advantageous since smaller lines can be used.
  • FIGS. 2A and 2 B show an alternative embodiment of a coating agent supply device according to the invention, which is largely similar to that described above and in FIG. 1 corresponds to the embodiment shown, so that to avoid repetition of the above description FIG. 1 is referenced.
  • a special feature of this exemplary embodiment is that the coating agent storage container 6 in this case is not permanently connected to the coating agent metering device 1 via the insulation tube 12. Instead, the coating agent storage container 6 is movable between two positions, which in the FIGS. 2A and 2 B are shown.
  • FIG. 2A shown position of the coating agent storage container 6 is connected to the coating agent supply line 11, but separated from the coating agent metering device 1 and is then at an electrical ground potential. In this position, the filling of the coating agent storage container 6 takes place via the coating agent supply line 11.
  • the coating agent storage container 6 is connected via a docking interface 13 with the coating agent metering device 1, but separated from the coating agent supply line 11 and is then at the same high-voltage potential as the coating agent metering device 1. In this position, the transfer of the coating agent from the coating agent storage container 6 takes place in the coating agent metering device 1.
  • the coating agent storage container 6 is first filled with the new coating agent via the coating agent supply line 11, the coating agent storage container 6 being separated from the docking interface 13, as in FIG. 2A is shown. During this filling of the coating agent storage container 6, the coating agent metering device 1 can continue to meter the old coating agent, so that no filling of the coating agent storage container 6 is required to interrupt the painting process and therefore sufficient time is available for the filling.
  • the coating agent storage container 6 After filling of the coating agent storage container 6, the coating agent storage container 6 is then connected after further intermediate steps with the docking interface 13, which in FIG. 2B is shown. After the connection with the docking interface 13 has been established, the new coating agent contained in the storage volume 7 can then be transferred into the metering volume 5 of the coating agent metering device 1.
  • FIG. 3 shows a simplified representation of a painting robot 21 with a coating agent supply device according to the invention, which largely coincides with the coating agent supply devices described above, so reference is made to avoid repetition of the above description.
  • the coating agent metering device 1 is embodied here as a piston dispenser and integrated into an atomizer 22, which is mounted on a hand axis 23 and is guided by a highly mobile robot arm 24.
  • the coating agent storage container 6 is arranged stationarily outside the painting robot 21 and can be connected to the coating agent metering device 1 via the docking interface 13.
  • the painting robot 21 moves the atomizer 22 so that the docking interface 13 docks onto the coating agent storage container 6, whereupon the coating agent metering device 1 can be filled from the coating agent storage container 6.
  • the drawing shows an alternative variant in which the dashed line coating agent metering 1 is integrated into the robot arm 24.

Claims (8)

  1. Dispositif d'alimentation pour un agent de revêtement pour une installation de peinture, avec
    a) un pulvérisateur (22),
    b) un robot de peinture (21) destiné au guidage du pulvérisateur (22),
    c) un doseur d'agent de revêtement (1), le doseur d'agent de revêtement (1)
    c1) dosant un agent de revêtement à appliquer en direction du pulvérisateur (22),
    c2) étant un doseur à piston qui présente un cylindre (2) et un piston doseur (3) coulissant dans le cylindre (2), et
    c3) et étant au moins par moments à un potentiel haute tension,
    c4) étant disposé dans le pulvérisateur (22) guidé par le robot de peinture (21) et se déplaçant avec le robot de peinture (21),
    d) une conduite annulaire (38), et
    e) une interface d'arrimage (13),
    caractérisé en ce que
    f) le dispositif d'alimentation pour un agent de revêtement présente un réservoir de stockage d'agent de revêtement (6) pour la réception temporaire de l'agent de revêtement et pour l'alimentation du doseur d'agent de revêtement (1) en agent de revêtement, le réservoir de stockage d'agent de revêtement (6)
    f1) étant disposé en amont du doseur d'agent de revêtement (1) et étant, côté sortie, raccordé au doseur d'agent de revêtement (1),
    f2) étant disposé de façon stationnaire et
    f3) étant à un potentiel proche de la terre, et
    f4) étant rempli à partir de la conduite annulaire (38), et
    g) en ce que le doseur d'agent de revêtement (1) peut être raccordé de façon séparable au réservoir de stockage d'agent de revêtement (6) par le biais de l'interface d'arrimage (13).
  2. Dispositif d'alimentation pour un agent de revêtement selon la revendication 1, caractérisé en ce que
    a) le réservoir de stockage d'agent de revêtement (6) présente un volume de stockage (10) réglable, et/ou
    b) en ce que le volume de stockage (10) du réservoir de stockage d'agent de revêtement (6) peut être réglé par un piston (8), et/ou
    c) en ce que le piston (8) du réservoir de stockage d'agent de revêtement (6) est entraîné par moteur électrique, actionné par air comprimé ou entraîné par voie hydraulique.
  3. Installation de peinture avec un dispositif d'alimentation pour un agent de revêtement selon l'une des revendications précédentes.
  4. Procédé de fonctionnement pour un dispositif d'alimentation pour un agent de revêtement selon l'une des revendications 1 à 2, avec les étapes suivantes :
    a) dosage d'un agent de revêtement par un doseur d'agent de revêtement (1) en direction d'un pulvérisateur (22),
    b) alimentation du doseur d'agent de revêtement (1) en agent de revêtement par le biais d'un réservoir de stockage d'agent de revêtement (6) qui est disposé en amont du doseur d'agent de revêtement (1) et est, côté sortie, raccordé au doseur d'agent de revêtement (1),
    c) remplissage du réservoir de stockage d'agent de revêtement (6) avec l'agent de revêtement par le biais d'une conduite d'amenée d'agent de revêtement sous la forme d'une conduite annulaire (38), le réservoir de stockage d'agent de revêtement étant raccordé à la conduite d'amenée d'agent de revêtement de façon fixe,
    d) mise à la terre électrique du pulvérisateur (22) après un processus d'application,
    e) arrimage du pulvérisateur (22) mis à la terre avec le doseur d'agent de revêtement sur le réservoir de stockage d'agent de revêtement au moyen d'un robot de peinture, le robot de peinture guidant le pulvérisateur (22) de façon très mobile,
    f) transvasement de l'agent de revêtement à partir du réservoir de stockage d'agent de revêtement vers le doseur d'agent de revêtement quand le doseur d'agent de revêtement est amarré au réservoir de stockage d'agent de revêtement,
    g) désarrimage du pulvérisateur (22) avec le doseur d'agent de revêtement à partir du réservoir de stockage d'agent de revêtement après le transvasement,
    h) application de l'agent de revêtement.
  5. Procédé de fonctionnement selon la revendication 4, caractérisé par les étapes suivantes lors d'un changement de peinture à partir d'un ancien agent de revêtement vers un nouvel agent de revêtement :
    a) remplissage du réservoir de stockage d'agent de revêtement (6) avec le nouvel agent de revêtement à partir d'une conduite d'amenée d'agent de revêtement (11) pendant le dosage de l'ancien agent de revêtement par le doseur d'agent de revêtement (1),
    b) arrêt du dosage de l'ancien agent de revêtement par le doseur d'agent de revêtement (1),
    c) remplissage du doseur d'agent de revêtement (1) avec le nouvel agent de revêtement à partir du réservoir de stockage d'agent de revêtement (6),
    d) début du dosage du nouvel agent de revêtement par le doseur d'agent de revêtement (1).
  6. Procédé de fonctionnement selon la revendication 5, caractérisé par les étapes suivantes :
    - vidage de l'ancien agent de revêtement qui reste à partir du doseur d'agent de revêtement (1) après l'arrêt du dosage de l'ancien agent de revêtement et avant le remplissage du doseur d'agent de revêtement (1) avec le nouvel agent de revêtement, et/ou
    - lavage du doseur d'agent de revêtement (1) avec un agent de lavage après le vidage de l'ancien agent de revêtement à partir du doseur d'agent de revêtement (1) et avant le remplissage du doseur d'agent de revêtement (1) avec le nouvel agent de revêtement, et/ou
    - renvoi dans la conduite d'amenée d'agent de revêtement (11) du nouvel agent de revêtement résiduel restant dans le réservoir de stockage d'agent de revêtement (6) après le remplissage du doseur d'agent de revêtement (1), et/ou
    - lavage du réservoir de stockage d'agent de revêtement (6) avec un liquide de lavage après le renvoi dans la conduite d'amenée d'agent de revêtement (11) du nouvel agent de revêtement qui y reste.
  7. Procédé de fonctionnement selon l'une des revendications 4 à 6, caractérisé par l'étape suivante :
    application d'un potentiel haute tension sur le doseur d'agent de revêtement et sur le pulvérisateur (22).
  8. Procédé de fonctionnement selon l'une des revendications 4 à 7, caractérisé en ce que
    a) le remplissage du réservoir de stockage d'agent de revêtement (6) s'effectue avec un flux d'agent de revêtement plus faible que le dosage de l'agent de revêtement par le doseur d'agent de revêtement (1) et/ou que le remplissage du doseur d'agent de revêtement (1), et/ou
    b) en ce que le réservoir de stockage d'agent de revêtement (6) présente un volume de stockage (10) qui peut être réglé par un piston (8) coulissant, le piston (8) étant soumis par voie pneumatique à une contre-pression qui dépend de la viscosité de l'agent de revêtement, et/ou
    c) en ce que la contre-pression est réglée de telle sorte que le flux volumique lors du remplissage du réservoir de stockage d'agent de revêtement (6) est indépendant de la viscosité de l'agent de revêtement.
EP14002527.1A 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement Revoked EP2810719B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005048223A DE102005048223A1 (de) 2005-10-07 2005-10-07 Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren
DE102005060959A DE102005060959A1 (de) 2005-10-07 2005-12-20 Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren
EP06021045.7A EP1772194B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP06021045.7A Division EP1772194B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP06021045.7A Division-Into EP1772194B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement

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EP2810719A1 EP2810719A1 (fr) 2014-12-10
EP2810719B1 true EP2810719B1 (fr) 2018-06-20

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EP14002527.1A Revoked EP2810719B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP06021045.7A Active EP1772194B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement

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EP06021045.7A Active EP1772194B1 (fr) 2005-10-07 2006-10-06 Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement

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EP (2) EP2810719B1 (fr)
DE (1) DE202006021283U1 (fr)
ES (2) ES2685244T3 (fr)
HU (1) HUE043560T2 (fr)

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Publication number Priority date Publication date Assignee Title
US8020784B2 (en) 2005-10-07 2011-09-20 Durr Systems Inc. Coating material supply installation and associated operating procedure
DE102007029195A1 (de) 2007-06-25 2009-02-19 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
EP2101925B1 (fr) 2006-12-12 2015-01-07 Dürr Systems GmbH Dispositif de revêtement équipé d'un dispositif de dosage
DE102020104325A1 (de) * 2020-02-19 2021-08-19 Dürr Systems Ag Spülvorrichtung zum Verbinden mit einem Applikationsmittel-Hauptkanal eines Applikationsmittelwechslers

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Also Published As

Publication number Publication date
EP2810719A1 (fr) 2014-12-10
HUE043560T2 (hu) 2019-08-28
ES2717116T3 (es) 2019-06-19
DE202006021283U1 (de) 2014-08-27
EP1772194B1 (fr) 2019-01-09
ES2685244T3 (es) 2018-10-08
EP1772194A3 (fr) 2008-09-17
EP1772194A2 (fr) 2007-04-11

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