EP1108475A2 - Installation de peinture - Google Patents
Installation de peinture Download PDFInfo
- Publication number
- EP1108475A2 EP1108475A2 EP00127233A EP00127233A EP1108475A2 EP 1108475 A2 EP1108475 A2 EP 1108475A2 EP 00127233 A EP00127233 A EP 00127233A EP 00127233 A EP00127233 A EP 00127233A EP 1108475 A2 EP1108475 A2 EP 1108475A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- line section
- paint
- pig
- painting
- painting device
- 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
Links
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
Definitions
- the invention relates to a painting device with a Paint receptacle and a spray device, the Paint container and the spray device for Applying paint to an object to be painted, in particular a motor vehicle body, compared to the Object can be brought to electrical potential and by means of an electrostatic separator against one Paint supply side is electrostatically isolated.
- 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 Paint loss minimized accordingly. To do this, use a mechanically acting electrostatic Separating device for 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.
- the present invention is based on the object electrostatic decoupling or connection of the Feed side of the painting device with the high voltage bringable components, which the paint container and comprise the spray device, simpler, more user-friendly and less susceptible to faults and thus to make it more cost-effective to operate.
- This task is carried out at a painting facility mentioned type according to the invention solved in that the electrostatic separation device an electrical insulating on the feed side of the paint container provided line section, which also the paint supply serves in the paint receptacle, and one inside the Line section includes reciprocating pig, which when moving through the line section thereof inner surface of electrically conductive liquid exempted.
- 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.
- lacquer to be understood in the broadest sense as a coating material is; it can be water-based paints, hydraulic fillers, Powder slurry, water clear lacquer or watery Preservatives or other electrically conductive Trade coating materials.
- the line section has a length of at least 100 mm, preferably of at least 200 mm.
- the Paint receptacle and the spray or Atomizing device When operating the painting device, the Paint receptacle and the spray or Atomizing device compared to that to be painted Object to an electrical potential above 50 kV, preferably above 70 kV, in particular up to 100 brought kV.
- Line section runs obliquely to the horizontal, but is preferably arranged substantially vertically.
- the line section is preferably made of one high-voltage resistant plastic tubing or from a break-proof high-strength glass tube educated.
- the line section which a Insulating section forms and which may subsequent receiving sections for the newt and the The pig itself is cleaned of coating material, in particular, the detergent can be a solvent for the Include coating material.
- the pig would be conceivable, at least in principle, for the pig to pass through any but electrically insulating push or Traction means is moved through the line section, in particular, a mechanically acting traction means in Form of a nylon thread or the like can be used. It would also be conceivable to use a vacuum generating means Use the pig to move back and forth. As in contrast advantageous, easy to use and light But it turns out to be manageable if a fluid Displacement medium, preferably compressed air, is used and on one and / or other side of the Line section a feed connection for the Displacement medium is provided, which as a pushing agent for the newt.
- a fluid Displacement medium preferably compressed air
- the painting device a rinsing device assigned to the spray device include, in a corresponding manner against a Detergent supply side or a detergent supply connection is electrically insulated.
- a flushing device proves to be advantageous to the spray device, for example, a bell cup sprayer, at a color change or at the end of painting operations to be able to rinse with solvent.
- a return side of this sprayer assigned flushing device can on the corresponding way according to the invention a piggable Include line section as an insulating section.
- FIG. 1 shows a schematic representation of a Paint shop.
- a color changer 2 is not with one ring system shown, which a variety of includes paint-carrying lines, connected.
- a color pressure regulator 4 In connection to the color changer 2 is a color pressure regulator 4 and one Quantity metering device 6 is provided.
- Quantity metering device 6 To the Quantity metering device 6 is included overall designated by the reference numeral 8 and closer to descriptive electrostatic separator 8, which a paint supply side 10 and one Paint receptacle 12 connects or in the paint shop electrostatically separates from each other.
- the Paint receptacle 12 serves as an intermediate reservoir for Coating material, which has a line leading away from the bottom of the paint receptacle 12 14 with a further metering device 16 of a spray or.
- Atomizing device 18 fed to the painting installation becomes. In the case shown, it is a Bell cup sprayer 18.
- the Color changer 2 To start up the painting facility, use the Color changer 2 a ring line with a certain Coating material, such as a certain color, connected in terms of flow to the paint receptacle 12, and the color pressure regulator 4 and the Quantity metering device 6 is coating material in the Paint receptacle 12 introduced. After filling the Paint receiving container 12 is on the separation device 8th the paint container 12 and the itself subsequent components 14 and 16 and the Spray device 18 from the feed side 10 to even closer to be described electrostatically separated and in a Brought potential of 100 kV.
- a certain Coating material such as a certain color
- the paint receptacle 12 in itself in a known manner within the paint receptacle 12 generates a compressed air cushion 20 under the admission of compressed air and the coating material via line 14 and Quantity metering device 16 by the spray device 18 atomized and onto the object to be coated upset.
- the high voltage is turned off first, and then an electrical connection is made through the Separating device 8 with the feed side 10 again manufactured.
- the electrostatic separation device 8 comprises one Line section 22 with a length of at least 300 mm. With this length of the air insulation section is in the occurring voltages (100 kV) with certainty Insulation achieved.
- This Line section 22 is of a high voltage resistant Piece of hose or from a break-proof, pressure-resistant Glass tube formed.
- a pig or pig body 24 within the line section 22 is a pig or pig body 24 in the direction of the double arrow 26, that is, in the longitudinal direction of the line section 22 movably housed. To move the Pigs are at both ends of the line section 22 Supply connection 26 and 28 provided for compressed air, which in 1 are shown schematically. Furthermore are Detergent supply and discharge connections 30, 32 are provided.
- the high voltage is restored switched off, and it can be rinsed separately if necessary the line section 22 via the detergent connections 30, 32 done.
- the pig 24 is again used regulated compressed air via port 28 into its first upper end position moved. So the system is back ready for the next filling process.
- the pig 24 will start the filling process from its first upper end position in moved its second lower end position 34, and the The paint container is then specified with a Paint quantity filled. Then the pig 24 is by means of regulated compressed air back to the first upper end position emotional. The line section 22 existing amount of paint without loss into the paint supply side 10 pushed back. This also makes the inside of the Line section 22 cleaned and a High voltage insulation using the double arrow 26 designated route reached. The following Painting process can begin.
- the Line section 46 a reproducible metering device for the amount of detergent.
- a rinsing process depending on the type of paint and paint system 20 to 30 cc detergent.
- One measures over the cross section and the length of the line section 46 that needed Volume (including an additional volume for the compressed air), so you can use the over the pressure regulator 40 adjustable detergent pressure for a corresponding amount of detergent required allow to flow into the line section 46.
- the higher the Pressure the more the air volume is compressed and the greater the amount of detergent added.
- the Air volume contained therein will then be at the top the line section 46 and can accumulate via a Vent connection 50 are drained.
- About one Compressed air connection 52 can then be in the line section Existing amount of detergent in the spray device 18 fed and finally via the return-side part 36b can be returned.
- Figure 2 shows a sectional view of a pig 50 with a Pig basic body 52 and integrally formed thereon, the end faces forming elastomer body parts 54.
- Die Elastomer body parts 54 include obliquely to the longitudinal direction 56 inclined concentrically rotating in the circumferential direction Sealing lips 58 which are not the inside of one scrape off the line section shown. If on the Thrust side by means of a displacement medium, for example Compressed air, an overpressure is generated, this will the respective sealing lip 58 under tension against the Pressed inside of the pipe section. This will a particularly good cleaning of the inside of the Line section reached.
- a displacement medium for example Compressed air
Landscapes
- Electrostatic Spraying Apparatus (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Glass Compositions (AREA)
- Photographic Developing Apparatuses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19961271 | 1999-12-18 | ||
| DE19961271A DE19961271A1 (de) | 1999-12-18 | 1999-12-18 | Lackiereinrichtung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1108475A2 true EP1108475A2 (fr) | 2001-06-20 |
| EP1108475A3 EP1108475A3 (fr) | 2003-06-11 |
| EP1108475B1 EP1108475B1 (fr) | 2004-08-18 |
Family
ID=7933292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00127233A Expired - Lifetime EP1108475B1 (fr) | 1999-12-18 | 2000-12-15 | Installation de peinture |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1108475B1 (fr) |
| AT (1) | ATE273757T1 (fr) |
| DE (2) | DE19961271A1 (fr) |
| ES (1) | ES2225007T3 (fr) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1360996A1 (fr) * | 2002-05-07 | 2003-11-12 | Dürr Systems GmbH | Méthode et appareil d'alimentation et de revêtement de peinture électriquement conductive |
| 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 |
| EP1389492A2 (fr) | 2002-08-15 | 2004-02-18 | Dürr Systems GmbH | Conduit nettoyable par un râcleur pour le revêtement électrostatique de pièces |
| EP1394464A1 (fr) | 2002-08-30 | 2004-03-03 | Dürr Systems GmbH | Racleur pour la founiture de matériau de revêtement et procédé pour sa fabrication |
| DE10239516A1 (de) * | 2002-08-28 | 2004-03-18 | Dürr Systems GmbH | Schlauch für die elektrostatische Beschichtung von Werkstücken |
| EP1314483A3 (fr) * | 2001-11-27 | 2005-01-05 | Dürr Systems GmbH | Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment |
| EP1500435A2 (fr) | 2003-07-23 | 2005-01-26 | Dürr Systems GmbH | Procédé et dispositif de commande de potentiel d'un arangement de tuyauteries nettoyées par raclage |
| 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 |
| US6896735B2 (en) | 2002-01-24 | 2005-05-24 | Behr Systems, Inc. | Integrated charge ring |
| US6972052B2 (en) | 2002-08-28 | 2005-12-06 | Behr Systems, Inc. | Rotational atomizer with external heating system |
| US6991178B2 (en) | 2003-01-24 | 2006-01-31 | Dürr Systems, Inc. | Concentric paint atomizer shaping air rings |
| US7018679B2 (en) | 2001-03-29 | 2006-03-28 | Dürr Systems, Inc. | Coating installation with an atomizer change station |
| US7036750B2 (en) | 2002-07-22 | 2006-05-02 | Dürr Systems, Inc. | Axial shaping air design for paint atomizer |
| EP1439344A3 (fr) * | 2003-01-20 | 2006-05-17 | Dürr Systems GmbH | Râcleur |
| US7051950B2 (en) | 2001-03-29 | 2006-05-30 | Dürr Systems, Inc. | Atomizer for coating unit and method for its material supply |
| US7156795B2 (en) | 2001-03-29 | 2007-01-02 | Dürr Systems, Inc. | Tool change system for a machine |
| US7275702B2 (en) | 2001-03-29 | 2007-10-02 | Durr Systems, Inc. | Valve unit for an electrostatic coating installation |
| WO2007137745A1 (fr) * | 2006-06-01 | 2007-12-06 | Eisenmann Lacktechnik Gmbh & Co. Kg | Écouvillon avec effet d'étanchéité amélioré |
| US7328123B2 (en) | 2002-09-30 | 2008-02-05 | Durr Systems, Inc. | System for collision avoidance of rotary atomizer |
| US7347649B2 (en) | 2002-07-11 | 2008-03-25 | Durr Systems, Inc. | Powder purge tube |
| US7432495B2 (en) | 2002-09-02 | 2008-10-07 | Durr Systems, Inc. | Sensor arrangement for a coating system |
| US8671495B2 (en) | 2006-11-06 | 2014-03-18 | Durr Systems, Inc. | Scraper pig |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10033986A1 (de) | 2000-07-13 | 2002-01-24 | Duerr Systems Gmbh | Verfahren zur Verwendung eines Molches in einer Beschichtungsanlage und Molch hierfür |
| DE10063234C1 (de) * | 2000-12-19 | 2002-07-04 | Duerr Systems Gmbh | Schlauchsystem mit einem molchbaren Schlauch |
| DE102016001544A1 (de) * | 2016-02-10 | 2017-08-10 | Eisenmann Se | Isolationseinrichtung sowie Beschichtungssystem hiermit |
| DE102017111823A1 (de) * | 2017-05-30 | 2018-12-06 | Eisenmann Se | Isolationseinrichtung sowie Beschichtungssystem hiermit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE449451B (sv) * | 1986-03-24 | 1987-05-04 | Leif Tilly | Sett och anordning att tillfora ett elektriskt ledande, flytande medium fran ett forradssystem till en forbrukningsstation |
| DE19728155A1 (de) * | 1997-07-03 | 1999-01-07 | Lactec Gmbh | Verfahren und Vorrichtung zum Lackieren |
| DE19742588B4 (de) * | 1997-09-26 | 2009-02-19 | Dürr Systems GmbH | Verfahren zum serienweisen Beschichten von Werkstücken |
| DE19830029A1 (de) * | 1998-07-04 | 2000-01-05 | Audi Ag | Anlage zum Beschichten von Gegenständen, insbesondere von Fahrzeug-Karosserien |
| DE19937426A1 (de) * | 1999-08-07 | 2001-03-15 | Eisenmann Lacktechnik Kg | Lackiervorrichtung |
-
1999
- 1999-12-18 DE DE19961271A patent/DE19961271A1/de not_active Withdrawn
-
2000
- 2000-12-15 AT AT00127233T patent/ATE273757T1/de not_active IP Right Cessation
- 2000-12-15 EP EP00127233A patent/EP1108475B1/fr not_active Expired - Lifetime
- 2000-12-15 DE DE50007456T patent/DE50007456D1/de not_active Expired - Lifetime
- 2000-12-15 ES ES00127233T patent/ES2225007T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (29)
| 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 |
| US7051950B2 (en) | 2001-03-29 | 2006-05-30 | Dürr Systems, Inc. | Atomizer for coating unit and method for its material supply |
| US7018679B2 (en) | 2001-03-29 | 2006-03-28 | Dürr Systems, Inc. | Coating installation with an atomizer change station |
| US7156795B2 (en) | 2001-03-29 | 2007-01-02 | Dürr Systems, Inc. | Tool change system for a machine |
| US7275702B2 (en) | 2001-03-29 | 2007-10-02 | Durr Systems, Inc. | Valve unit for an electrostatic coating installation |
| EP1314483A3 (fr) * | 2001-11-27 | 2005-01-05 | Dürr Systems GmbH | Procédé et système de distribution de doses de matériau de revêtement à un appareil de revêment |
| US6896735B2 (en) | 2002-01-24 | 2005-05-24 | Behr Systems, Inc. | Integrated charge ring |
| EP1360996A1 (fr) * | 2002-05-07 | 2003-11-12 | Dürr Systems GmbH | Méthode et appareil d'alimentation et de revêtement de peinture électriquement conductive |
| US7347649B2 (en) | 2002-07-11 | 2008-03-25 | Durr Systems, Inc. | Powder purge tube |
| US7036750B2 (en) | 2002-07-22 | 2006-05-02 | Dürr Systems, Inc. | Axial shaping air design for paint atomizer |
| EP1389492A2 (fr) | 2002-08-15 | 2004-02-18 | Dürr Systems GmbH | Conduit nettoyable par un râcleur pour le revêtement électrostatique de pièces |
| DE10239516A1 (de) * | 2002-08-28 | 2004-03-18 | Dürr Systems GmbH | Schlauch für die elektrostatische Beschichtung von Werkstücken |
| US6972052B2 (en) | 2002-08-28 | 2005-12-06 | Behr Systems, Inc. | Rotational atomizer with external heating system |
| US6986366B2 (en) | 2002-08-28 | 2006-01-17 | Dürr Systems, Inc. | Tube for the electrostatic coating of workpieces |
| DE10240072A1 (de) * | 2002-08-30 | 2004-03-25 | Dürr Systems GmbH | Molch zur Förderung eines Beschichtungsmaterials und Verfahren zu seiner Herstellung |
| DE10240072B4 (de) * | 2002-08-30 | 2005-11-24 | Dürr Systems GmbH | Molch zur Förderung eines Beschichtungsmaterials und Verfahren zu seiner Herstellung |
| EP1394464A1 (fr) | 2002-08-30 | 2004-03-03 | Dürr Systems GmbH | Racleur pour la founiture de matériau de revêtement et procédé pour sa fabrication |
| US7432495B2 (en) | 2002-09-02 | 2008-10-07 | Durr Systems, Inc. | Sensor arrangement for a coating system |
| US7328123B2 (en) | 2002-09-30 | 2008-02-05 | Durr Systems, Inc. | System for collision avoidance of rotary atomizer |
| EP1439344A3 (fr) * | 2003-01-20 | 2006-05-17 | Dürr Systems GmbH | Râcleur |
| US6991178B2 (en) | 2003-01-24 | 2006-01-31 | Dürr Systems, Inc. | Concentric paint atomizer shaping air rings |
| EP1500435A2 (fr) | 2003-07-23 | 2005-01-26 | Dürr Systems GmbH | Procédé et dispositif de commande de potentiel d'un arangement de tuyauteries nettoyées par raclage |
| 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 |
| 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 |
| DE102006025546A1 (de) * | 2006-06-01 | 2007-12-06 | Eisenmann Lacktechnik Gmbh & Co. Kg | Molch zum Fördern eines Arbeitsmediums |
| WO2007137745A1 (fr) * | 2006-06-01 | 2007-12-06 | Eisenmann Lacktechnik Gmbh & Co. Kg | Écouvillon avec effet d'étanchéité amélioré |
| DE102006025546B4 (de) * | 2006-06-01 | 2010-06-02 | Eisenmann Anlagenbau Gmbh & Co. Kg | Molch zum Fördern eines Arbeitsmediums |
| CN101454606B (zh) * | 2006-06-01 | 2010-12-15 | 艾森曼涂装有限及两合公司 | 具有改善的密封作用的清管器 |
| US8671495B2 (en) | 2006-11-06 | 2014-03-18 | Durr Systems, Inc. | Scraper pig |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50007456D1 (de) | 2004-09-23 |
| EP1108475B1 (fr) | 2004-08-18 |
| ATE273757T1 (de) | 2004-09-15 |
| ES2225007T3 (es) | 2005-03-16 |
| DE19961271A1 (de) | 2001-07-05 |
| EP1108475A3 (fr) | 2003-06-11 |
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