DE19830029A1 - Painting rig for vehicle bodywork - Google Patents
Painting rig for vehicle bodyworkInfo
- Publication number
- DE19830029A1 DE19830029A1 DE1998130029 DE19830029A DE19830029A1 DE 19830029 A1 DE19830029 A1 DE 19830029A1 DE 1998130029 DE1998130029 DE 1998130029 DE 19830029 A DE19830029 A DE 19830029A DE 19830029 A1 DE19830029 A1 DE 19830029A1
- Authority
- DE
- Germany
- Prior art keywords
- color
- line
- plant according
- media
- paint
- 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.)
- Withdrawn
Links
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
Landscapes
- Spray Control Apparatus (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Anlage zum Beschichten von Gegen ständen, insbesondere von Fahrzeug-Karosserien, mit häufig wechselndem Farbmaterial mit den weiteren Merkmalen gemäß Oberbegriff des Patentan spruches 1.The invention relates to a system for coating counter stands, in particular of vehicle bodies, with frequently changing Color material with the other features according to the preamble of the patent saying 1.
Bei konventionellen Beschichtungsanlagen erfolgt der Farbauftrag mittels eines Sprühorgans, welches über eine farbführende Leitung und über eine Anzahl steuerbarer Ventile wahlweise an eine von mehreren unterschiedli chen Farbleitungen zu einzelnen Farbbehältern oder an eine Reini gungsmittelleitung anschließbar ist. Im Zuge des Farbwechsels wird die farbführende Leitung sowie das Sprühorgan von Resten der zuvor verwen deten Farbe befreit. Dabei fallen große Mengen eines Reinigungs mittel-/Farbgemisches an, die entsorgt werden müssen.In conventional coating systems, the paint is applied using of a spraying device, which via a paint-carrying line and via a Number of controllable valves optionally on one of several different Chen paint lines to individual paint containers or a Reini resource line is connectable. In the course of the color change, the Use the paint-carrying line and the spraying device for the remains of the previous one color. Large amounts of cleaning fall medium / color mixture that must be disposed of.
Mit den Farbversorgungssystemen mit Farbleitungen solcher bekannter Be schichtungsanlagen können nur eine eng begrenzte Anzahl von Farbtönen im Serienbetrieb appliziert werden. Farbwechselsysteme stoßen wegen be grenzter Ringleitungskapazitäten einerseits und wegen möglicher Pac kungsdichten von Farbwechselventileinheiten andererseits an Kapazitäts grenzen.With the color supply systems with color lines of such known Be Layering systems can only produce a limited number of colors can be applied in series production. Color change systems come across because of be limited loop capacity on the one hand and because of possible Pac density of color change valve units on the other hand in terms of capacity limit.
Zukünftige Kundenanforderungen nach individuellen Farbwünschen, insbe sondere bei der Beschichtung von Automobilkarosserien, erfordern jedoch eine Vielzahl von Farbtönen, die mit den bisherigen Beschichtungsanlagen im Serienbetrieb nicht realisierbar sind. Zusätzliche Leitungssysteme und Farbwechselventileinheiten für eine begrenzte Vergrößerung der Farbton möglichkeiten sind an bestehenden Anlagen nicht oder nur mit hohem Aufwand nachrüstbar. Future customer requirements according to individual color requirements, especially especially when coating automotive bodies, however, require a variety of colors with the previous coating systems are not feasible in series operation. Additional pipe systems and Color change valve units for a limited increase in color Possibilities are not available on existing systems or only with a high level Retrofittable effort.
Weiter ist eine Anlage zum Beschichten von Gegenständen bekannt, bei der über Transportmittel die Farbmaterialien in der Reihenfolge der gewünschten Farben und jeweils in einem Behältnis, welches eine für das Beschichten eines Gegenstandes bemessenen Farbmenge enthält, einer Beschichtungseinrichtung zugeführt werden. In diesem Zusammenhang wird auf die DE 196 32 325 A1 verwiesen. Dieses Dokument beschreibt eine Lackversorgungseinheit zur Zuführung geringer Lackmengen zu den Sprühorganen einer Lackierstraße für die Serienlackierung von Kraftfahrzeugen, bestehend aus auswechselbaren Kleinbehältern, einer Entnahmeeinrichtung, die mit einem Kleinbehälter oder mit einer Spüleinrichtung und über Stichleitungen mit den Sprühorganen verbindbar ist, sowie weiter bestehend aus einer Pumpeinrichtung oder einer Einrichtung zum Beaufschlagen eines Kleinbehälters oder der Spüleinrichtung mit einem Druckmedium. Zielsetzung der bekannten Vorrichtung ist die Bereitstellung einer Vorrichtung zur Einzellackierung von Kraftfahrzeugen oder deren Teilen mit Sonderfarben, die eine rationelle Bauweise der Vorrichtung sowie eine rationelle Verfahrensführung innerhalb des Serienlackierbetriebes von Kraftfahrzeugkarosserien oder deren Teilen ermöglicht.A system for coating objects is also known in which about means of transport the color materials in the order of desired colors and each in a container, which one for the Coating an item of measured amount of paint contains one Coating device are supplied. In this context referred to DE 196 32 325 A1. This document describes one Paint supply unit for feeding small amounts of paint to the Spraying devices of a painting line for the serial painting of Motor vehicles, consisting of interchangeable small containers, one Withdrawal device with a small container or with a Flushing device and can be connected to the spray elements via spur lines is, and further consisting of a pumping device or Device for loading a small container or the Flushing device with a pressure medium. Objective of the known Device is the provision of a device for individual painting of Motor vehicles or their parts with special colors that are rational Construction of the device and an efficient procedure within the serial painting operation of motor vehicle bodies or their parts enables.
Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Anlage zum Beschichten von Gegenständen so weiterzubilden, daß, nicht nur be züglich Sonderfarbtönen, bei geringstmöglichem konstruktivem Aufwand der Anlage Beschichtungen mit einer großen Anzahl von Farbmaterialien unter schiedlicher Farbtöne und dies noch bei äußerst geringer Umweltbelastung (z. B. zu entsorgende Menge eines Reingigungsmittel-/Farbgemisches) durchgeführt werden können.The invention has for its object a generic system for coating objects so that not only be plus special colors, with the least possible design effort Plant coatings with a large number of color materials under different colors and this with an extremely low environmental impact (e.g. quantity of a cleaning agent / color mixture to be disposed of) can be carried out.
Die erfindungsgemäße Lösung ist im Kennzeichen des Patentanspruches 1 zu sehen.The solution according to the invention is in the characterizing part of patent claim 1 to see.
Die erfindungsgemäße Lösung besteht also im wesentlichen in einem Ein wege-Farbversorgungssystem, in dem die Farben nicht parallel, sondern seriell (hintereinander) zugeführt werden. In einem zentralen Farblager wird für das jeweilige Beschichtungsobjekt die Farbe und Menge - rechtzeitig vor dem Lackieren - in die Einwegeleitung gespeist. Vor der nächsten Farbe wird mindestens ein sich mitbewegender Medientrenner in die Leitung eingesetzt. Denkbar wäre auch, zwei oder mehrere Medientrenner einzusetzen, zwischen die ein oder mehrere Zwischenmedien in fester (z. B. elastischer Kunststoff), flüssiger (z. B. Lösungsmittel) oder gasförmiger (z. B. Stickstoff) Form gefüllt werden. Der Medientrenner ist dem Durchmesser der Farbleitung angepaßt und preßt sich dabei vorzugsweise mit elastischen Außenflächen scharfkantig gegen die glatte Rohrwandung der Einwege-Farbleitung an.The solution according to the invention therefore essentially consists of a one wege color supply system in which the colors are not parallel, but can be fed serially (one after the other). In a central color warehouse the color and quantity for the respective coating object - in good time painting - fed into the one-way line. Before the next color at least one moving media separator in the line used. It would also be conceivable to have two or more media separators between which one or more intermediate media in solid (e.g. elastic plastic), liquid (e.g. solvent) or gaseous (e.g. Nitrogen) form. The media separator is the diameter of the Color line adapted and preferably presses with elastic Outer surfaces with sharp edges against the smooth pipe wall One-way color line.
Entsprechende Einrichtungen, allerdings für anderweitige Verwendungszwecke, sind im Stand der Technik bekannt (vgl. IPC F 17 D 3/08 bzw. DE 41 31 208 A1, DE 94 09 499 U1).Appropriate facilities, but for other purposes Purposes of use are known in the prior art (cf. IPC F 17 D 3/08 or DE 41 31 208 A1, DE 94 09 499 U1).
Mit der erfindungsgemäßen Technologie wird das Verschleppen von Farben in der Rohrleitung verhindert. Der Medientrenner kann außerdem zur Detek tion für die Start- und Endpunkte der einzelnen Farbsäulen an der Farbent nahmestelle dienen. So können nachfolgende Operationen an oder nach der Entnahmestelle, wie beispielsweise ein Farbwechselprogramm für das Sprühorgan (Pistole, Spritzglocke usw.), eingeleitet werden.With the technology according to the invention, the carryover of colors prevented in the pipeline. The media separator can also be used for detec tion for the start and end points of the individual color columns at the color ent serving point. Subsequent operations on or after the Tapping point, such as a color change program for the Spraying device (pistol, spray bell, etc.).
Die Medientrenner und Zwischenmedien können der Potentialtrennung bei elektrostatischen Applikationssystemen, der Unterstützung des Reinigungsprozesses der Farbversorgungsleitung und/oder der Spritzgeräte, sowie der Druckkompensation dienen. Die Medientrenner und/oder die Zwischenmedien können nach dem Farbwechsel direkt entnommen oder über eine separate Leitung in ein Farblager zurücktransportiert werden. Eine Wiederverwendung der Medientrenner und der Zwischenmedien ist dadurch realisierbar.The media separators and intermediate media can contribute to the potential separation electrostatic application systems, the support of the Cleaning process of the paint supply line and / or Sprayers and pressure compensation are used. The media separator and / or the intermediate media can directly after the color change removed or via a separate line into a color warehouse be transported back. A reuse of the media separators and the intermediate media can thus be implemented.
Weitere Vorteile im Zusammenhang mit der erfindungsgemäßen Anlage
sind:
Investitionskosten und logistischer Aufwand weit unterhalb der von
herkömmlichen Farbversorgungssystemen, niedrige Energiekosten, beliebige
Farbvarianten applizierbar, geringer Platzbedarf (lediglich eine Farbleitung),
auch größere Entfernungen zum Farblager problemlos überbrückbar, keine
"Lackstreßung" (Scherung), geringer Aufwand für Farbtemperierung,
Potentialtrennung bei niederohmigen Lacken ist möglich.Further advantages in connection with the system according to the invention are:
Investment costs and logistical effort far below that of conventional paint supply systems, low energy costs, any color variants can be applied, small space requirement (only one paint line), even larger distances to the paint store can be bridged without problems, no "paint stress" (shear), little effort for color temperature control, potential separation with low impedance Painting is possible.
Ein Ausführungsbeispiel der Erfindung ist nachstehend erläutert und zur besseren Verdeutlichung in der zugehörigen Zeichnung schematisch dargestellt. Dabei ist eine Farbspritzpistole 1 gezeigt, welche ein Farbmaterial 2 auf ein hier nicht dargestelltes Werkstück, beispielsweise eine Fahrzeugkarosserie, appliziert. Das Farbmaterial 2 wird über Leitung 3 und Farbwechselsteuermodul 4 aus einem Leitungsabschnitt 5.1 einer zentralen Zuführleitung 5 bereitgestellt. Letztere weist weitere Leitungsabschnitte 5.2, 5.3 auf, die mit Farbmaterialien anderer Farbtöne gefüllt sind. Über Anschlüsse 14, 15 können Lösungs-/Reinigungsmittel bzw. Druckluft bereitgestellt werden, um nach einem Farbwechsel die Farbspritzpistole 1 sowie die Leitung 3 zu reinigen.An embodiment of the invention is explained below and shown schematically for better clarity in the accompanying drawing. A paint spray gun 1 is shown, which applies a paint material 2 to a workpiece, not shown here, for example a vehicle body. The color material 2 is provided via line 3 and color change control module 4 from a line section 5.1 of a central feed line 5 . The latter has further line sections 5.2 , 5.3 , which are filled with color materials of other colors. Solvents / cleaning agents or compressed air can be provided via connections 14 , 15 in order to clean the paint spray gun 1 and the line 3 after a color change.
Wie aus der Zeichnung, ergänzt durch die Detaildarstellung - X -, weiter hervorgeht, sind die einzelnen Leitungsabschnitte 5.1 bis 5.3 durch jeweils zwei Medientrenner 6 separiert, zwischen denen eine Reinigungsflüssigkeit 7 eingeschlossen ist. Durch die sich scharfkantig an die Innenwand der zentralen Zuführleitung 5 anlegenden Medientrenner 6 und die zwischengeschaltete Reinigungsflüssigkeit 7 ist sichergestellt, daß beim Transport (Pfeil 8) der verschiedenen Farbmaterialien von einer Farbladestation 9 zum Farbwechselsteuermodul 4 keine Mischung der Farbtöne untereinander erfolgen kann.As can be seen from the drawing, supplemented by the detailed representation - X -, the individual line sections 5.1 to 5.3 are each separated by two media separators 6 , between which a cleaning liquid 7 is enclosed. The media separator 6 , which abuts the inner wall of the central feed line 5 and the intermediate cleaning liquid 7 , ensures that during the transport (arrow 8 ) of the different color materials from a color loading station 9 to the color change control module 4, no mixing of the colors can take place.
Sind Zuführleitung 5, Medientrenner 6 und/oder die Zwischenmedien (z. B. Reinigungsflüssigkeit 7) aus elektrisch nichtleitenden Werkstoffen, so ist der Bereich Farbspritzpistole 1/Farbwechselsteuermodul 4 gegenüber den unten beschriebenen Farbversorgungseinrichtungen elektrisch isoliert (Potentailtrennung!).If the feed line 5 , media separator 6 and / or the intermediate media (e.g. cleaning liquid 7 ) are made of electrically non-conductive materials, then the area of the paint spray gun 1 / paint change control module 4 is electrically insulated from the paint supply devices described below (potential separation!).
Innerhalb der Farbladestation 9 sind Anschlüsse 10.1 bis 10.6 vorhanden, über die für das jeweils zu beschichtende Werkstück die Farbe bezüglich Farbton und Menge in die zentrale Zuführleitung 5 eingespeist wird. Die Reihenfolge der eingespeisten Farbtöne richtet sich nach den Farbtönen mit denen die aufeinanderfolgenden Werkstücke jeweils zu beschichten sind. Für die entsprechend zwischenzuschaltenden Medientrenner 6 ist ein separater Zuführstrang 11 vorgesehen. Jeder Anschluß 10.1 bis 10.6 wird im erforderlichen Umfang über Leitung 12 von einem Farbversorgungsbehälter 13 versorgt. Im Ausführungsbeispiel sind also sechs Leitungen bzw. Farbversorgungsbehälter vorhanden. Der Übersichtlichkeit halber sind nur eine Leitung und ein Behälter zeichnerisch dargestellt. Connections 10.1 to 10.6 are provided within the color loading station 9 , via which the color, in terms of color and quantity, is fed into the central feed line 5 for the workpiece to be coated. The order of the shades fed in depends on the shades with which the successive workpieces are to be coated. A separate feed line 11 is provided for the media separators 6 to be interposed accordingly. Each connection 10.1 to 10.6 is supplied to the required extent via line 12 from a paint supply container 13 . In the exemplary embodiment there are therefore six lines or paint supply containers. For the sake of clarity, only one line and one container are shown in the drawing.
Über eine dem Farbwechselsteuermodul 4 nachgeschaltete Rückführleitung 14 werden Medientrenner 6 und Reinigungsflüssigkeit 7 zur Entsorgung bzw. Aufbereitung bzw. Wiederverwendung gefördert.Media separators 6 and cleaning liquid 7 are conveyed via a return line 14 connected downstream of the color change control module 4 for disposal or preparation or reuse.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE1998130029 DE19830029A1 (en) | 1998-07-04 | 1998-07-04 | Painting rig for vehicle bodywork |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE1998130029 DE19830029A1 (en) | 1998-07-04 | 1998-07-04 | Painting rig for vehicle bodywork |
Publications (1)
Publication Number | Publication Date |
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DE19830029A1 true DE19830029A1 (en) | 2000-01-05 |
Family
ID=7873051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE1998130029 Withdrawn DE19830029A1 (en) | 1998-07-04 | 1998-07-04 | Painting rig for vehicle bodywork |
Country Status (1)
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Cited By (33)
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EP1186349A1 (en) * | 2000-09-11 | 2002-03-13 | Abb Flexible Automation | Device for delivering one or more materials and delivery method using the same |
DE10063234C1 (en) * | 2000-12-19 | 2002-07-04 | Duerr Systems Gmbh | Hose system, for coating vehicle bodywork, has an inner hose with a moving pig through it held without kinks in an outer hose by compressed air in the ring zone between them |
EP1270083A1 (en) * | 2001-06-29 | 2003-01-02 | Dürr Systems GmbH | System and method for supplying a coating device via pigs |
EP1284162A1 (en) * | 2001-08-17 | 2003-02-19 | ITW Oberflächentechnik GmbH & Co.KG | Process and apparatus for cleaning a paint supply device in a painting installation |
EP1108475A3 (en) * | 1999-12-18 | 2003-06-11 | Dürr Systems GmbH | Painting installation |
EP1362641A1 (en) * | 2002-05-07 | 2003-11-19 | Dürr Systems GmbH | Method and apparatus for delivering paint to an applicator and flushing same |
EP1380350A1 (en) * | 2002-07-11 | 2004-01-14 | Dürr Systems GmbH | Process and system with pig for the supply of a powder coating apparatus |
WO2004009247A1 (en) | 2002-07-20 | 2004-01-29 | Eisenmann Lacktechnik Gmbh & Co. Kg | Method for supplying a paint application device with paint |
EP1389492A2 (en) | 2002-08-15 | 2004-02-18 | Dürr Systems GmbH | Piggable pipe for electrostatic coating of pieces |
EP1394464A1 (en) | 2002-08-30 | 2004-03-03 | Dürr Systems GmbH | Pig for feeding of coating material and process for making the same |
DE10239516A1 (en) * | 2002-08-28 | 2004-03-18 | Dürr Systems GmbH | Hose with pig for delivery of electrically conductive fluid paints or varnishes at high voltage comprises an inner layer enclosed in an insulating layer with high voltage resistance |
DE10346601A1 (en) * | 2003-10-07 | 2005-05-12 | Duerr Systems Gmbh | Method and system for supplying material consumers via pigging lines |
EP1293260A3 (en) * | 2001-09-13 | 2005-05-18 | Dürr Systems GmbH | Method for coating series of workpieces |
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 |
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 |
EP1812168A1 (en) * | 2004-10-12 | 2007-08-01 | Dürr Systems GmbH | Paint delivery and application apparatus and method |
US7275702B2 (en) | 2001-03-29 | 2007-10-02 | Durr Systems, Inc. | Valve unit for an electrostatic coating installation |
US7328123B2 (en) | 2002-09-30 | 2008-02-05 | Durr Systems, Inc. | System for collision avoidance of rotary atomizer |
EP1952894A1 (en) * | 2007-01-31 | 2008-08-06 | Abb As | Viscous fluid plug for separating fluids in a paint line |
US7432495B2 (en) | 2002-09-02 | 2008-10-07 | Durr Systems, Inc. | Sensor arrangement for a coating system |
US7549449B2 (en) | 2002-05-07 | 2009-06-23 | Durr Systems, Inc. | Paint delivery and application system and method |
US7584771B2 (en) | 2002-05-07 | 2009-09-08 | Durr Systems, Inc. | Method and apparatus for delivering paint to an applicator and flushing same |
WO2010075322A1 (en) * | 2008-12-23 | 2010-07-01 | Abb Inc. | Paint shuttle system |
US8671495B2 (en) | 2006-11-06 | 2014-03-18 | Durr Systems, Inc. | Scraper pig |
DE102013007694A1 (en) * | 2013-05-03 | 2014-11-06 | Eisenmann Ag | Changing device for coating media and coating system for coating objects |
US9050614B2 (en) | 2002-05-07 | 2015-06-09 | Durr Systems, Inc. | Paint delivery and application system and method |
WO2023156685A1 (en) * | 2022-03-18 | 2023-08-24 | Dürr Systems Ag | Coating installation and associated operating method having a simulation of the amount of coating agent required |
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