EP1108474A2 - Installation de peinture - Google Patents

Installation de peinture Download PDF

Info

Publication number: EP1108474A2
Authority: EP; European Patent Office
Prior art keywords: line section; container; installation according; receptacle; painting
Prior art date: 1999-12-18
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

EP20000127232

Other languages

German (de)

English (en)

Other versions

EP1108474A3 (fr

EP1108474B1 (fr

Inventor

Frank Dipl.-Ing. Herre

Manfred Michelfelder

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

INLAC IND LACKIERANLAGEN GmbH

INLAC Industrie-Lackieranlagen GmbH

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.)

1999-12-18

Filing date

2000-12-15

Publication date

2001-06-20

2000-12-15 Application filed by INLAC IND LACKIERANLAGEN GmbH, INLAC Industrie-Lackieranlagen GmbH filed Critical INLAC IND LACKIERANLAGEN GmbH

2001-06-20 Publication of EP1108474A2 publication Critical patent/EP1108474A2/fr

2003-10-15 Publication of EP1108474A3 publication Critical patent/EP1108474A3/fr

2004-11-17 Application granted granted Critical

2004-11-17 Publication of EP1108474B1 publication Critical patent/EP1108474B1/fr

2020-12-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- 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
- 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

Definitions

the invention relates to a painting system with a Spray device for applying coating material to an object, especially one Motor vehicle body, with two in a row or serving in parallel as an intermediate reservoir Containers and with a separator for electrostatic isolation at least one of the Receptacle and the downstream spraying device against a feed side so that at least one Receptacle and the sprayer opposite to that painting object during the coating process can be brought to high voltage.
Such electrostatic painting devices are known. To almost the entire amount of paint on the to be able to apply the painting object Spray device and one arranged in front Paint container on the painting device High voltage in the order of more than 50 kV compared to the paint to be kept at earth potential Brought object. Because of the resulting electric field, almost the entire amount of paint is applied applied the object to be painted and the Waste minimized accordingly. To do this, use a mechanically acting electrostatic separator of the Intermediate container and the spray or Atomizing device after filling the Intermediate container mechanically separated and then on the object to be painted Brought high tension. Construction, training and operation such a mechanical separation device complex and expensive, since liquid-carrying lines for Filling the paint receptacle liquid-tight connected and separated from each other have to. That in the connecting sections of the lines remaining coating material also brings Problems with themselves.
first container above the second container which as such open container is designed to be arranged so that Coating material due to gravity from the top Containers in the second container below can reach, and that over a freely emptying Drain from the first tank.
Such an arrangement already has a continuous coating operation the first upper container during the Coating company filled from the second container, in Connection to this from the supply side electrostatically isolated and disconnected and on the high voltage of the second lower container is brought. In this condition is a refill of the lower container by opening the freely emptying drain of the upper container and thus continuous production operations possible. The High voltage on the upper container can then again switched off and the container for refilling with the Feed side to be connected.
a serious disadvantage is the fact that the second lower container designed as an open container have to be. Solvent vapors escape, and it does there is a risk of contamination in the second Can reach containers. Furthermore, it is difficult second container for example with solvent clean.
the present invention has for its object a Painting system of the type mentioned above improve that with a structurally simple structure without that Requires mechanical decoupling of the components a loss-free continuous production operation possible and the disadvantages described above are not occur.
Pig bodies are known per se; at least they are like that Resiliently trained to be minimal Excessively insertable in a pipe means and in substantially resilient elastic against the inside of the Line means are applied and still movable are. If flexible ducting means for example made of plastic materials Hoses are used, so can also be used in essential unyielding pig bodies are used. The use of pig bodies in painting facilities however, was only used for cleaning purposes.
the Piston means can be a minimal with coating material limit fillable volume, which is in view of a Solvent cleaning proves to be very advantageous because not the entire volume of the receptacle Solvent needs to be filled.
the Return movement can be beneficial under the action of the coating material take place, for example, in that a control pressure within the second receptacle is specified, which with appropriate ventilation of the said line section the pig in the opposite Pushes back direction while doing the second Fills the line section again with coating material.
the figure shows a painting installation according to the invention, which for coating an object using a color changer 2 with a ring line system, not shown, which for example different paint colors, solvents and can also lead to compressed air.
a color changer 2 closes a pressure control device 4 and a quantity metering device 6.
the paint shop further includes a first and a second as Intermediate reservoir serving receptacles 8 and 10, respectively are designed as closed pressure vessels.
the a second receptacle 10 is connected downstream Spray device 12, by means of which Coating material atomized and towards you applied or sprayed on the coated object can be.
the feed side of the first receptacle 8 is one electrostatic separator 16 and 14 provided to the second receptacle 10 and the spray device 12 towards an object to be coated To bring high voltage.
the feed side Separating device 16 can counter the first receptacle 8 the supply side insulated and brought to high voltage become.
Both separating devices 14 and 16 comprise one Line section 18 or 20 made of insulating material and a pig 22 or 24 movable therein. 24 is within the respective line section 16 or 18 with a control valve 26 or 28 on one side Compressed air can be applied and to the right in the figure movable.
the pig 22, 24 limits the in the Line section 18, 20 located color column and displaces this to the right in the figure, i.e. in the respective receptacle 8, 10 into it.
the squeegee Newt 22, 24 the color of the inner surface of the Line sections 18, 20. So these are quasi from electrically conductive coating material cleaned, and it can provide high voltage insulation in this way can be achieved.
the length of the line sections 18, 20 is at least 300 mm and it could in this way high voltage insulation can be achieved such that when a high voltage of 100 kV is applied across the Line section 18, 20 a current of less than 50 ⁇ A, preferably less than 30 ⁇ A, could be measured, which has proven to be sufficiently isolating. To the This moves back the respective pig 22, 24 Coating material within the pipe system. It for this purpose shut-off devices 30, 32 between the Line section 18, 20 and the second receptacle 10 or the first receptacle 8 opened.
a painting cycle is described below.
both Piston means 34, 36 are in the lower position.
the respective position of the piston means 34, 36 can by Level sensors 38, 40 determined and for control purposes. Regulatory purposes.
the two pigs 22, 24 are located in its left end position in the figure.
opening all valves in the paint supply to the Spray device 12 can coating material from the Ring line system into the second receptacle 10 reach.
An adjoining shut-off valve 42 in the line to the spray device 12 is closed.
the entire paint shop is at earth potential.
the second receptacle 10 and the downstream rinsing device 12 can now High voltage (about 100 kV) and the Coating process can after opening the valve 42 and Commissioning of a further conveyor device 54 and of a pressure regulator 56 can be started.
the first receptacle 8 fills what is expedient in that the pressure is above the piston means 36 is lowered to atmospheric pressure.
a desired level which is indicated by the Level sensors 40 can be determined is about the control valve 28 compressed air on the in the drawing left side of the pig 24, and the pig 24 is in the figure moves to the right until it is in front of the valve 32 reached its end position.
the Inside of the line section 20 of conductive Coating material cleaned, and it becomes a High voltage insulation achieved.
the first container 8 and the components connected to it are now also on the same high voltage as the second Receiving container 10 and the spray device 12 brought.
the Valve 30 opened and due to that within the second Receiving container 10 prevailing higher pressure Atmospheric pressure in the first receptacle 8, and in the Line section 18 is the pig 2 through Coating material from the second container 10 back in its left end position moves, that with the reference symbol 58 and slightly to the left of the mouth of the Outlet line 60 from the first container 8 is provided.
the first container 8 can now be opened again Ground potential and by opening valve 32 can the pig 24 in its right end position again in the left end position shown in the figure be moved, and under the effect of the rest of the Container 8 located coating material.
the Container 8 can then be refilled.

Landscapes

Electrostatic Spraying Apparatus (AREA)
Materials For Medical Uses (AREA)
Paints Or Removers (AREA)

EP00127232A 1999-12-18 2000-12-15 Installation de peinture Expired - Lifetime EP1108474B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19961270		1999-12-18
DE19961270A DE19961270A1 (de)	1999-12-18	1999-12-18	Lackieranlage

Publications (3)

Publication Number	Publication Date
EP1108474A2 true EP1108474A2 (fr)	2001-06-20
EP1108474A3 EP1108474A3 (fr)	2003-10-15
EP1108474B1 EP1108474B1 (fr)	2004-11-17

Family

ID=7933291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00127232A Expired - Lifetime EP1108474B1 (fr)	1999-12-18	2000-12-15	Installation de peinture

Country Status (4)

Country	Link
EP (1)	EP1108474B1 (fr)
AT (1)	ATE282478T1 (fr)
DE (2)	DE19961270A1 (fr)
ES (1)	ES2232374T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1362641A1 (fr) *	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et appareil pour délivrer de la peinture à un applicateur et pour le nettoyer
EP1208915A3 (fr) *	2000-11-28	2004-01-02	LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH	Procédé et dispositif de transfert de peintures électroconductrices entre des emplacements à potentiels différents
EP1502656A2 (fr) *	2003-07-28	2005-02-02	Dürr Systems GmbH	Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique et système de liaison pour cela
EP1344572A3 (fr) *	2002-03-13	2006-03-22	LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH	Installation de peinture pour revêtir des objets par un revêtement liquide
EP1772194A2 (fr)	2005-10-07	2007-04-11	Dürr Systems GmbH	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
US7584771B2 (en)	2002-05-07	2009-09-08	Durr Systems, Inc.	Method and apparatus for delivering paint to an applicator and flushing same
EP2165773A1 (fr) *	2007-10-16	2010-03-24	Honda Motor Co., Ltd.	Procédé de peinture électrostatique et son appareil
US8020784B2 (en)	2005-10-07	2011-09-20	Durr Systems Inc.	Coating material supply installation and associated operating procedure

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10223498A1 (de)	2002-05-27	2003-12-11	Duerr Systems Gmbh	Verfahren und System zur Farbversorgung einer elektrostatischen Beschichtungsanlage
DE102005048223A1 (de) *	2005-10-07	2007-04-19	Dürr Systems GmbH	Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren
DE102005060959B4 (de) *	2005-10-07	2024-11-21	Dürr Systems Ag	Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren
DE102014016552A1 (de) *	2014-11-08	2016-05-12	Eisenmann Se	Beschichtungssystem zum Beschichten von Gegenständen
DE102016001544A1 (de) *	2016-02-10	2017-08-10	Eisenmann Se	Isolationseinrichtung sowie Beschichtungssystem hiermit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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.
US5221194A (en) *	1990-07-18	1993-06-22	Nordson Corporation	Apparatus for electrostatically isolating and pumping conductive coating materials
DE19805938A1 (de) *	1998-02-13	1999-08-19	Lactec Gmbh	Verfahren und Vorrichtung zum Beschichten von Teilen

1999
- 1999-12-18 DE DE19961270A patent/DE19961270A1/de not_active Withdrawn
2000
- 2000-12-15 EP EP00127232A patent/EP1108474B1/fr not_active Expired - Lifetime
- 2000-12-15 DE DE50008659T patent/DE50008659D1/de not_active Expired - Lifetime
- 2000-12-15 AT AT00127232T patent/ATE282478T1/de not_active IP Right Cessation
- 2000-12-15 ES ES00127232T patent/ES2232374T3/es not_active Expired - Lifetime

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1208915A3 (fr) *	2000-11-28	2004-01-02	LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH	Procédé et dispositif de transfert de peintures électroconductrices entre des emplacements à potentiels différents
EP1344572A3 (fr) *	2002-03-13	2006-03-22	LACTEC GmbH Gesellschaft für moderne Lackiertechnik mbH	Installation de peinture pour revêtir des objets par un revêtement liquide
EP1362641A1 (fr) *	2002-05-07	2003-11-19	Dürr Systems GmbH	Méthode et appareil pour délivrer de la peinture à un applicateur et pour le nettoyer
US7584771B2 (en)	2002-05-07	2009-09-08	Durr Systems, Inc.	Method and apparatus for delivering paint to an applicator and flushing same
EP1502656A3 (fr) *	2003-07-28	2008-11-19	Dürr Systems GmbH	Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique et système de liaison pour cela
EP1502656A2 (fr) *	2003-07-28	2005-02-02	Dürr Systems GmbH	Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique et système de liaison pour cela
EP1772194A3 (fr) *	2005-10-07	2008-09-17	Dürr Systems GmbH	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP1772194A2 (fr)	2005-10-07	2007-04-11	Dürr Systems GmbH	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
US8020784B2 (en)	2005-10-07	2011-09-20	Durr Systems Inc.	Coating material supply installation and associated operating procedure
EP2810719B1 (fr)	2005-10-07	2018-06-20	Dürr Systems AG	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP1772194B1 (fr)	2005-10-07	2019-01-09	Dürr Systems AG	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
EP2165773A1 (fr) *	2007-10-16	2010-03-24	Honda Motor Co., Ltd.	Procédé de peinture électrostatique et son appareil
EP2165773A4 (fr) *	2007-10-16	2011-01-05	Honda Motor Co Ltd	Procédé de peinture électrostatique et son appareil

Also Published As

Publication number	Publication date
DE50008659D1 (de)	2004-12-23
ES2232374T3 (es)	2005-06-01
ATE282478T1 (de)	2004-12-15
DE19961270A1 (de)	2001-07-05
EP1108474A3 (fr)	2003-10-15
EP1108474B1 (fr)	2004-11-17

Publication	Publication Date	Title
EP1108475B1 (fr)	2004-08-18	Installation de peinture
DE69326519T2 (de)	2000-05-18	Vorrichtung und Verfahren zur Abgabe von leitfähigen Beschichtungsmaterialien
DE69109823T2 (de)	1995-11-02	Elektrostatische Farbspritzanlage für eine leitfähige Beschichtungsflüssigkeit.
DE2900660C2 (de)	1983-08-18	Verfahren und Vorrichtung zum elektrostatischen Spritzen von elektrisch leitfähigen Lacken
EP1108474B1 (fr)	2004-11-17	Installation de peinture
DE69001744T2 (de)	1993-11-11	Anlage zum elektrostatischen Auftragen eines leitfähigen Beschichtungsproduktes.
EP1172152A1 (fr)	2002-01-16	Système d'alimentation en peinture avec conduits raclables pour un appareil de revêtement électrostatique
DE19962220C2 (de)	2002-01-24	Beschichtungsstoff-Wechselsystem und Beschichtungssystem für die automatisierte Beschichtungstechnik sowie Verfahren zum automatisierten Beschichten
DE19937426A1 (de)	2001-03-15	Lackiervorrichtung
EP1344572B1 (fr)	2007-03-28	Installation de peinture pour revêtir des objets par un revêtement liquide
EP1270083B1 (fr)	2005-12-28	Système et procédé pour alimenter un appareil de revêtement par des écouvillions
EP0455111B1 (fr)	1994-09-07	Installation pour revêtir en série des pièces d'oeuvre d'un matériau de revêtement conducteur
EP1369183B1 (fr)	2009-12-02	Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique
EP0455109B1 (fr)	1994-09-07	Procédé et installation de revêtement en series de pièces avec un produit de revêtement conducteur
EP1772194B1 (fr)	2019-01-09	Dispositif d'alimentation pour un agent de revêtement et correspondant procédé de fonctionnement
DE102006041677A1 (de)	2008-03-27	System zur Reinigung von medienführenden Wegen in einer Beschichtungsanlage
DE4117613A1 (de)	1992-12-03	Spruehbeschichtungsvorrichtung
EP3414017B1 (fr)	2022-09-14	Dispositif d'isolation ainsi que système de revêtement le comprenant
EP1045732A1 (fr)	2000-10-25	Dispositif pour isoler un milieu en ecoulement electroconducteur
DE19940542A1 (de)	2001-03-01	Verfahren und Anordnung zum Transport von elektrisch leitfähigem Lack
EP3012028B1 (fr)	2017-04-12	Dispositif de dosage à piston pour milieux liquides pour l'enduction d'objets
DE102005060959A1 (de)	2007-04-19	Beschichtungsmittel-Versorgungseinrichtung und zugehöriges Betriebsverfahren
EP0750945A1 (fr)	1997-01-02	Dispositif de pulvérisation de peintures conductrice
EP1502656B1 (fr)	2010-09-08	Méthode et système d'alimentation de peinture pour une installation de revêtement électrostatique et système de liaison pour cela
DE102022121063A1 (de)	2024-02-22	Vorrichtung aufweisend einen Applikator mit einem Medientank zur Aufnahme eines zu applizierenden Mediums und eine Ladestation

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