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EP1245294A2 - Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur - Google Patents

Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur Download PDF

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Publication number
EP1245294A2
EP1245294A2 EP02006091A EP02006091A EP1245294A2 EP 1245294 A2 EP1245294 A2 EP 1245294A2 EP 02006091 A EP02006091 A EP 02006091A EP 02006091 A EP02006091 A EP 02006091A EP 1245294 A2 EP1245294 A2 EP 1245294A2
Authority
EP
European Patent Office
Prior art keywords
atomizer
coating material
metering pump
storage device
coating
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.)
Granted
Application number
EP02006091A
Other languages
German (de)
English (en)
Other versions
EP1245294A3 (fr
EP1245294B1 (fr
Inventor
Stefano Giuliano
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
Application filed by Duerr Systems AG filed Critical Duerr Systems AG
Publication of EP1245294A2 publication Critical patent/EP1245294A2/fr
Publication of EP1245294A3 publication Critical patent/EP1245294A3/fr
Application granted granted Critical
Publication of EP1245294B1 publication Critical patent/EP1245294B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B12/1481—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 comprising pigs, i.e. movable elements sealingly received in supply pipes, for separating different fluids, e.g. liquid coating materials from solvent or air

Definitions

  • the invention relates to an atomizer and a method for Material supply of an atomizer for a coating machine according to the preamble of the independent claims.
  • the atomizer is in particular an as The whole thing can be replaced on a painting robot or another Coating machines, for example, installed electrostatic Rotary or air atomizer for series coating of workpieces such as vehicle bodies.
  • Such atomizers enable, inter alia, advantageous color change concepts and simple electrical isolation between with direct charging of the coating material working electrostatic Atomizing organs and for safety reasons grounded paint supply system because the reservoir at the coating is separated from the grounded supply system are and for changing colors easily and automatically without or can also be replaced with the actual atomizer.
  • Known atomizers of this type contain mechanically from a spindle drive operated dosing cylinder (DE 196 10 588 A).
  • dosing cylinders have that due to their design limited space requirement. In particular, their length, because of the piston rod is about twice the piston stroke, affects especially with painting robots or other Handling devices the accessibility of workpiece areas such as vehicle interiors. They are too even atomizers with hydraulically driven metering cylinders known (EP 0 967 016 A), but the pressure fluid from a dosing pump located outside the atomizer must become.
  • the invention has for its object a constructive to specify simple, reliable and not too heavy atomizers, its storage facility without hydraulic metering gets along and allows small space requirements, as well as a corresponding Process for supplying material to the atomizer.
  • the invention is not only suitable, but in particular for electrostatic atomizers that are interchangeable as a whole Painting robots or other coating machines installed be and in doing so both the required Isolation from the grounded supply system of the coating system as well as quick and easy color changes without significant loss of color and detergent allow any number of selectable colors.
  • electrostatic atomizers that are interchangeable as a whole Paint robots or other coating machines installed be and in doing so both the required Isolation from the grounded supply system of the coating system as well as quick and easy color changes without significant loss of color and detergent allow any number of selectable colors.
  • complex No hoses are used in the machine can, since the atomizer’s internal storage device dismantled atomizer can be filled.
  • the preferred installation of a gear pump, for example trained dosing pump in the atomizer has the advantage that this conventional, long-established and reliable component a dosing cylinder of the known type is unnecessary.
  • the formation of the ink reservoir as a hose winding has the advantage that on the one hand because of the comparison with usual cylindrical paint containers significant reduction correspondingly lower color change losses due to the diameter color and detergent and on the other hand the constructive Flexibility especially with regard to saving space is significantly improved.
  • hose winding or spiral pipe preferably pigged is to the coating material via the metering pump to the Promote atomizer and if necessary residual paint back in Direction to the grounded supply system of the coating system to press results in a very simple one Possibility of cleaning the inner tube wall of the storage device through the newt in a manner known per se.
  • the largely cylindrical main part of the housing 3 contains one, for example, coaxially in the middle of the housing arranged dosing pump DP, for example a gear pump also in a manner and function known per se.
  • the Dosing pump DP is connected to the valve block 22 (FIG. 2) Atomizer 4 connected and reversible so that it can promote in the two opposite directions.
  • the (Not shown) drive of the dosing pump DP is appropriate mechanically executed, e.g.
  • Hose winding 10 A special feature of the serving as a storage container Hose winding 10 is the piggability.
  • the one in the paint tube FM the hose winding 10 located pig 12 can by compressed air from the mentioned compressed air connection through the entire hose winding are pushed around the inside Coating material to the dosing pump DP too to press.
  • Suitable pigs for this purpose are known per se.
  • the atomizer designated ZA in Fig. 2 contains the between the dosing pump DPA and here as a rotating bell shown atomizer connected valve block 22 with the usual main needle valve HNA for that from the pump DPA fed atomizer and a branching paint supply valve V1A. From which the dosing pump DPA on its opposite Line connecting the FMA paint hose a flushing and return line branches via a valve V2A from. At the end facing away from the DPA pump is the Paint hose FMA to a compressed air line with a compressed air valve V3A connected.
  • the filling station 20 contains one with the atomizer side Change system WZA interchangeable change system WWS, too a drive motor that can be mechanically coupled to the dosing pump DPA M heard.
  • Station 20 also includes a coupled atomizer connected to valve V2A flush valve assembly SV with a flushing valve S10, a pulse air valve PL10 and a feedback valve RF10 as well as a color changer FW with color valves connected to valve V1A F1-F4, detergent and pulse air valves S or PL and one Return valve RF.
  • the color changer FW becomes that selected coating material through the valve V1A and the Dosing pump DPA in the end facing the piggable Color hose FMA pressed to fill it, the Pig 12A towards the opposite hose end is pushed.
  • atomizer ZA While the atomizer ZA is being filled, one can be connected to the Robot hand axis 1 (Fig. 1) coupled other atomizer For example, be coated as shown in Fig. 3, where the Fig. 2 corresponding elements are designated with B instead of A.
  • the atomizer-side exchange system WZB is with the robot-side Exchange system WR coupled together. Via the valve V3B the piggable paint hose FMB is pressurized with compressed air, so that the coating material stored in the hose from the pig 12B to the dosing pump DPB and is promoted by this to the atomizer. This results in an atomizer exchange with color change the next cycle.
  • the atomizer Eg is on the robot.
  • the two halves of the changing system WZB and WR and also the drive for the dosing pump DPB are engaged.
  • the valves V1B and V2B are closed.
  • the valve V3B releases compressed air, causing the pig 12B is driven.
  • the newt in turn presses when it moves in the FMB paint hose between valves V3B and V2B the first color for the dosing pump DPB, the one with the set one Paint speed metered the color, whereby it from the motor M is driven in the robot.
  • the newt separates the paint of the compressed air serving as the pig driving medium and ensures at the same time for cleaning the paint hose walls.
  • the main needle valve HNB the colored paint flows to the atomizing element.
  • the atomizer ZB works under high voltage.
  • the pig 12A is near the valve when valve V3A is open V2A. After the flushing process is completed, the valves F2, V1A, V2A and RF10 opened, making the second color in the Color channel arrives.
  • the dosing pump DPA runs backwards at the pressing speed.
  • the delivery volume of the metering pump is the specified time V2A closed, so that any remaining in the paint hose Flushing medium is displaced and the system is vented.
  • the valve V2A is closed, the pig from the Paint column against the pressure of the compressed air to its other end position pushed near the valve V3A. After reaching the desired amount of paint using the dosing pump is the Pressing process ended. All the valves mentioned go back in their basic position.
  • the atomizer ZA is now for the next one The painting process is prepared and remains in station 20 to to the next atomizer change.
  • the invention is also not based on the examples described limited.
  • the one serving as a storage container Hose winding or spiral pipe even without a downstream one Dosing pump to save space may be advantageous.
  • the one in the atomizer between the ink reservoir and the atomizing device switched dosing pump for any differently shaped containers may be appropriate.

Landscapes

  • Spray Control Apparatus (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP02006091A 2001-03-29 2002-03-18 Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur Expired - Lifetime EP1245294B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10115463A DE10115463A1 (de) 2001-03-29 2001-03-29 Zerstäuber für eine Beschichtungsanlage und Verfahren zu seiner Materialversorgung
DE10115463 2001-03-29

Publications (3)

Publication Number Publication Date
EP1245294A2 true EP1245294A2 (fr) 2002-10-02
EP1245294A3 EP1245294A3 (fr) 2005-07-13
EP1245294B1 EP1245294B1 (fr) 2008-04-23

Family

ID=7679492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006091A Expired - Lifetime EP1245294B1 (fr) 2001-03-29 2002-03-18 Pulvérisateur pour une installation de revêtement et procédé d'alimentation en produit de revêtement de ce pulvérisateur

Country Status (5)

Country Link
US (2) US20040124292A1 (fr)
EP (1) EP1245294B1 (fr)
AT (1) ATE392956T1 (fr)
DE (2) DE10115463A1 (fr)
ES (1) ES2304405T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2075073A1 (fr) * 2007-12-28 2009-07-01 Industra Industrianlagen - Maschinen und Teile GmbH Système de changement de couleur et procédé de changement de couleur
EP1666159B1 (fr) * 2004-12-01 2010-11-10 Dürr Systems GmbH Dispositif de peinture automatique muni d'un réservoir pour le matériau de revêtement
US7908994B2 (en) 2005-10-21 2011-03-22 Duerr Systems, Inc. Automatically steered coating machine also a container for the coating material
US8333164B2 (en) 2006-12-12 2012-12-18 Duerr Systems, Gmbh Coating apparatus comprising a metering device

Families Citing this family (14)

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US20060090286A1 (en) * 2004-11-03 2006-05-04 Day H S Tandem, extendable tubing or hose assembly
US20060240312A1 (en) * 2005-04-25 2006-10-26 Tao Xie Diffusion media, fuel cells, and fuel cell powered systems
DE202006021283U1 (de) 2005-10-07 2014-08-27 Dürr Systems GmbH Beschichtungsmittel-Versorgungseinrichtung
US8418647B2 (en) * 2005-10-21 2013-04-16 Dürr Systems Inc. Procedure and piston type metering devices for the metered material supply for a coating device
DE102006041677B4 (de) * 2006-09-06 2019-05-29 Eisenmann Se System zur Reinigung von medienführenden Wegen in einer Beschichtungsanlage
DE102006048037B4 (de) * 2006-10-09 2010-07-08 Poma Sondermaschinen- Und Vorrichtungsbau Gmbh Fluidversorgungsvorrichtung für eine Spritzanlage
DE102006058562A1 (de) 2006-12-12 2008-08-14 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
DE102007029195A1 (de) 2007-06-25 2009-02-19 Dürr Systems GmbH Beschichtungseinrichtung mit einer Dosiervorrichtung
DE102007053073A1 (de) * 2007-11-07 2009-06-04 Dürr Systems GmbH Applikationssystem
USD770695S1 (en) * 2014-05-07 2016-11-01 Dürr Systems GmbH Cleansing station for cleaning rotary atomizers for painting robots
EP3205407B1 (fr) * 2016-02-09 2019-09-25 IPR-Intelligente Peripherien für Roboter GmbH Procede et installation destines a revetir les parois interieures d'un espace creux a l'aide d'une couche de protection anticorrosion a base de cire
FR3098419B1 (fr) * 2019-07-12 2021-07-23 Exel Ind Installation de projection de fluide
WO2021023871A1 (fr) * 2019-08-08 2021-02-11 Aim Robotics Aps Unité effectrice de distribution autonome pour bras robotique
FR3135405A1 (fr) * 2022-05-16 2023-11-17 Exel Industries Guide de conformation d’un tuyau, pulvérisateur de produit de revêtement comprenant un tel guide et installation d’application de produit de revêtement comprenant un tel pulvérisateur

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666159B1 (fr) * 2004-12-01 2010-11-10 Dürr Systems GmbH Dispositif de peinture automatique muni d'un réservoir pour le matériau de revêtement
US7908994B2 (en) 2005-10-21 2011-03-22 Duerr Systems, Inc. Automatically steered coating machine also a container for the coating material
US8333164B2 (en) 2006-12-12 2012-12-18 Duerr Systems, Gmbh Coating apparatus comprising a metering device
EP2075073A1 (fr) * 2007-12-28 2009-07-01 Industra Industrianlagen - Maschinen und Teile GmbH Système de changement de couleur et procédé de changement de couleur

Also Published As

Publication number Publication date
US20050230503A1 (en) 2005-10-20
EP1245294A3 (fr) 2005-07-13
DE50212127D1 (de) 2008-06-05
DE10115463A1 (de) 2002-10-02
ES2304405T3 (es) 2008-10-16
EP1245294B1 (fr) 2008-04-23
US7051950B2 (en) 2006-05-30
US20040124292A1 (en) 2004-07-01
ATE392956T1 (de) 2008-05-15

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