EP0840652B1 - Installation for coating the surfaces of workpieces - Google Patents

Installation for coating the surfaces of workpieces Download PDF

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Publication number
EP0840652B1
EP0840652B1 EP96927044A EP96927044A EP0840652B1 EP 0840652 B1 EP0840652 B1 EP 0840652B1 EP 96927044 A EP96927044 A EP 96927044A EP 96927044 A EP96927044 A EP 96927044A EP 0840652 B1 EP0840652 B1 EP 0840652B1
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EP
European Patent Office
Prior art keywords
conveyor
powder
zone
application
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.)
Expired - Lifetime
Application number
EP96927044A
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German (de)
French (fr)
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EP0840652A2 (en
Inventor
Helmut Gohl
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.)
Eisenmann Anlagenbau GmbH and Co KG
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Eisenmann Anlagenbau GmbH and Co KG
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Publication of EP0840652A2 publication Critical patent/EP0840652A2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/003—Handling, e.g. loading or unloading arrangements for articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations

Definitions

  • the invention relates to a plant for surface finishing of workpieces according to the generic term of claim 1, and is in particular for the coating of vehicle bodies or Body parts provided.
  • Such a facility is known from document US4880101.
  • the object of the invention is above all in a system for surface finishing of workpieces, especially for vehicle bodies create in which different types of coating, e.g. Wet and powder coating, batch-wise one after the other or one after the other on a workpiece, are feasible without having to change the system must be made, and at the same time the technical-economic effort can be optimized.
  • different types of coating e.g. Wet and powder coating, batch-wise one after the other or one after the other on a workpiece
  • the task is carried out by a surface finishing plant of workpieces according to claim 1 solved by the characteristic features is characterized.
  • FIG. 1 shows an advantageous design a system A for the surface finishing of workpieces W, in particular vehicle bodies, in which preferably a preparation area alongside one another B and an area of surface finishing E are arranged, being essential to the invention
  • Design of the latter E one after the other in the longitudinal direction, in an application zone G, a section with several cross conveyors Q1, Q2 and Q3, one Drying zone H, a section with at least one Cross conveyor Q4, Q5, in which preferably another Buffer zone P is a testing and completion zone J and a transfer zone K with a sorting station L and a transfer station M and is equipped with the appropriate technology.
  • the preparation area B, the area of surface finishing E, as well as Appendix A itself are from known, building-like wall structures 1, 2 or 3 enclosed.
  • At least one dryer H1 or H2 or H3 containing drying zone H at least two application devices G1, ... G3b are upstream that at least one after the dryer H1, H2 or H3 or after the following test and Completion zone J starting and from at least a cross conveyor Q4 or Q6 located there, second or third funding path F2 or F3 past the dryer H1, H2 or H3 to at least one of the application devices G1, ... or G3b is guided.
  • the sealing is preferably carried out with a pneumatically controllable hose, ring or sealing lips.
  • Another special design is the second Basic variant now provided that the separators 11 and 12 displaceable in the longitudinal direction of the cabin performed 13 and preferably coupled to each other are, and that the air-permeable bottom 7th the powder / wet paint booth GK one in the longitudinal direction of the booth and preferably in the middle area approximately U-shaped or V-shaped, in relation to the separating devices 11 and 12 sealed and related the level of the floor 7 lowered channel 8 has, within that 8 of the conveyor F1, F2a or F3a runs.
  • the Channel 8 irrigated.
  • the separation devices can be used if necessary 11 and 12 in the transverse direction of the cabin slidably guided 13 or the separators 11 and 12 several times, preferably as a triple or 4-way combination can be provided.
  • the Head part 4 the supply air devices in a known manner includes, the middle part 5 here with means for Application of wet and powder paint is provided, the lower part 6 according to the statements above with optionally insertable, different Separation devices 11 and 12 is formed and the combined powder / wet paint booth GK in known Way by means of a scaffold Substructure 9 is set up on a floor N.
  • This new system according to the invention is characterized in particular by its versatility, low structural and technical outlay and little changeover effort for changing the coating material and the type of coating.
  • the application device G1 for applying a base coating and the application devices G2 ... G3b for applying a filler, base or first and possibly second topcoat or a final clearcoat can be provided and designed as booths.
  • G1 ... G3b By integrating one or more powder / wet paint booths KG according to claim 1 and FIGS. 2 to 4 in the application zone G, G1 ... G3b is with applying little technical effort Powder and wet paint in the most varied order feasible in a plant or a fast, Cost-effective conversion of the system to batches Powder or wet paint coating possible, the Painting agents, e.g. sprayers can be guided by hand and / or automatically. In addition, they are in the middle part 5 of a powder / wet paint booth KG intended for powder coating known means designed such that by switching to another powder cycle different types of powder can be used can.
  • Application device G1 or in one or more of the following application devices G2 ... G3b painting in the plunge pool, flood system or similar make, or even an electrophoresis bath or similar to Primer or decorative surface finishing use with any subsequent one or multilayer top and / or clear lacquer sealing.

Abstract

The invention relates to an installation (A) for coating the surfaces of workpieces, in particular vehicle bodies or body parts, the installation (A) enabling the coating material or the type of coating to be changed from one coating to the next, e.g. one or several changes between coating powder and liquid paint, while a batch of workpieces or a single workpiece passes through the installation (A).

Description

Die Erfindung bezieht sich auf eine Anlage zur Oberflächenveredlung von Werkstücken nach dem Oberbegriff des Patentanspruchs 1, und ist insbesondere für die Beschichtung von Fahrzeugkarossen bzw. von Karossenteilen vorgesehen. Eine derartige Anlage ist aus Dokument US4880101 bekannt.The invention relates to a plant for surface finishing of workpieces according to the generic term of claim 1, and is in particular for the coating of vehicle bodies or Body parts provided. Such a facility is known from document US4880101.

Bei bekannten Anlagen der Art sind bisher für das Aufbringen von verschiedenen Schichtsystemen bzw. der einzelnen Schichten eines solchen Schichtsystems jeweils getrennte Kabinensysteme erforderlich. Dieser Umstand hat einen wesentlich größeren, oft einen doppelten Flächenbedarf, eine 2-fache Materialver- und -entsorgung und eine 2-fache Zu- und Abluftführung zur Folge, also einen erheblichen anlagentechnischen und ökonomischen Aufwand.In known systems of the type are so far for Application of different layer systems or of the individual layers of such a layer system separate cabin systems required. This Circumstances have a much larger, often one double the space requirement, a double material and disposal and a double supply and exhaust air duct result, that is, a significant plant engineering and economic effort.

Daher besteht die Aufgabe der Erfindung vor allem darin, eine Anlage zur Oberflächenveredlung von Werkstücken, insbesondere für Fahrzeugkarossen, zu schaffen, in der verschiedene Beschichtungsarten, z.B. Naßlack- und Pulverlack-Beschichtung, chargenweise nacheinander oder an einem Werkstück aufeinanderfolgend, durchführbar sind, ohne daß ein Anlagenwechsel vorgenommen werden muß, und gleichzeitig der technisch-ökonomische Aufwand optimiert werden kann.Therefore, the object of the invention is above all in a system for surface finishing of workpieces, especially for vehicle bodies create in which different types of coating, e.g. Wet and powder coating, batch-wise one after the other or one after the other on a workpiece, are feasible without having to change the system must be made, and at the same time the technical-economic effort can be optimized.

Die Aufgabe wird durch eine Anlage zur Oberflächenveredlung von Werkstücken nach dem Patentanspruch 1 gelöst, die durch die kennzeichnenden Merkmale charakterisiert ist.The task is carried out by a surface finishing plant of workpieces according to claim 1 solved by the characteristic features is characterized.

Die nachgeordneten, abhängigen Patentansprüche 2 bis 11 offenbaren Weiterbildungen der erfinderischen Grundgedanken bzw. vorteilhafte Ausführungsvarianten von diesen.The subordinate, dependent claims 2 to 11 disclose further developments of the inventive Basic ideas or advantageous design variants of these.

Die erfindungsgemäß gestaltete Anlage für die Oberflächenveredlung von Werkstücken erbringt,insbesondere bei solchen für die Beschichtung von Autokarossen und dgl. großen Werkstücken, folgende Vorteile:

  • wesentlich geringerer Flächenbedarf,
  • geringerer technisch-ökonomischer Aufwand, da eine Vielzahl von Konstruktionsteilen und -gruppen nur einmal notwendig sind,
  • durch die flexible Systemgestaltung ist eine rasche Anpassung an kurzfristige Änderungen im Marketingkonzept des betreffenden Werkstückes, z.B. Lackart und Farbe bei Autokarossen, möglich, und die erfindungsgemäße Anlage gestattet einen variablen Materialeinsatz sowie eine technologisch-materialbezogene, flexible Teilzeitgestaltung;
The system designed according to the invention for the surface finishing of workpieces provides the following advantages, in particular for those for coating car bodies and the like. Large workpieces:
  • much less space required,
  • lower technical-economic effort, since a large number of construction parts and groups are only required once,
  • The flexible system design enables rapid adaptation to short-term changes in the marketing concept of the workpiece in question, for example the type of paint and color for car bodies, and the system according to the invention permits variable use of materials and a flexible, part-time, technology-related design;

Somit entstand ein sehr wirtschaftliches System. This created a very economical system.

Die Erfindung wird nun anhand von, schematisiert in Zeichnungen dargestellten, vorteilhaften Ausführungsbeispielen vom Detail her näher erläutert. Dabei zeigen:

Fig. 1
in Draufsicht eine im Deckenbereich des Erdgeschosses geschnittene Anlage mit Blick auf die verschiedenen Anlagenbereiche und -zonen, und
Fig. 2 bis 4
im Längs- bzw. Querschnitt den Aufbau einer erfindungsgemäßen Pulver-/Naßlackkabine.
The invention will now be explained in more detail with reference to advantageous exemplary embodiments shown schematically in the drawings. Show:
Fig. 1
in plan view a system cut in the ceiling area of the ground floor with a view of the various system areas and zones, and
2 to 4
in longitudinal or cross section the structure of a powder / wet paint booth according to the invention.

Aus der Fig. 1 ergeht eine vorteilhafte Gestaltung einer Anlage A für die Oberflächenveredlung von Werkstücken W, insbesondere Fahrzeugkarossen, bei der vorzugsweise in Längsrichtung nebeneinander ein Vorbereitungsbereich B und ein Bereich der Oberflächenveredlung E angeordnet sind, wobei in erfindungswesentlicher Bauart letzterer E, in Längsrichtung nacheinanderfolgend, in eine Applikationszone G, einen Abschnitt mit mehreren Querförderern Q1, Q2 und Q3, eine Trocknungszone H, einen Abschnitt mit mindestens einem Querförderer Q4, Q5, in dem vorzugsweise noch eine Pufferzone P liegt, eine Prüf- und Fertigstellungszone J sowie eine Übergabezone K mit einem Sortierplatz L und einer Übergabestation M untergliedert und mit entsprechender Technik ausgestattet ist.1 shows an advantageous design a system A for the surface finishing of workpieces W, in particular vehicle bodies, in which preferably a preparation area alongside one another B and an area of surface finishing E are arranged, being essential to the invention Design of the latter E, one after the other in the longitudinal direction, in an application zone G, a section with several cross conveyors Q1, Q2 and Q3, one Drying zone H, a section with at least one Cross conveyor Q4, Q5, in which preferably another Buffer zone P is a testing and completion zone J and a transfer zone K with a sorting station L and a transfer station M and is equipped with the appropriate technology.

Stirnseitig sind, baulich abgetrennt, Versorgungseinrichtungen, wie z.B. Medienversorgung, Materiallager u.ä. aufnehmende Bereiche C und D vorgesehen. Der Vorbereitungsbereich B, der Bereich der Oberflächenveredlung E, als auch die Anlage A selbst sind von an sich bekannten, gebäudeartigen Wandkonstruktionen 1, 2 bzw. 3 umschlossen.On the face side, are structurally separated, utilities, such as. Media supply, material warehouse etc. receiving areas C and D provided. The preparation area B, the area of surface finishing E, as well as Appendix A itself are from known, building-like wall structures 1, 2 or 3 enclosed.

Weiterhin ist in wesentlicher und spezieller Ausbildung vorgesehen, daß der, mindestens einen Trockner H1 bzw. H2 bzw. H3 enthaltenden, Trocknungszone H mindestens zwei Applikationseinrichtungen G1,...G3b vorgelagert sind, daß mindestens ein nach dem Trockner H1, H2 bzw. H3 bzw. nach der folgenden Prüf- und Fertigstellungszone J beginnender und von mindestens einem dort befindlichen Querförderer Q4 bzw. Q6 gespeister, zweiter bzw. dritter Förderweg F2 bzw. F3 seitlich an dem Trockner H1, H2 bzw. H3 vorbei zu mindestens einer der Applikationseinrichtungen G1,... bzw. G3b geführt ist. Furthermore is in essential and special training provided that the, at least one dryer H1 or H2 or H3 containing drying zone H at least two application devices G1, ... G3b are upstream that at least one after the dryer H1, H2 or H3 or after the following test and Completion zone J starting and from at least a cross conveyor Q4 or Q6 located there, second or third funding path F2 or F3 past the dryer H1, H2 or H3 to at least one of the application devices G1, ... or G3b is guided.

Eine gleichrangige und gleichwertige, alternative und dem gattungsbildenden Oberbegriff der voranstehenden Lösung gleichkommende, weitere Ausführung des erfinderischen Grundgedankens ist derart gekennzeichnet, daß mindestens eine der in der Applikationszone G vorgesehenen Applikationseinrichtungen G1,... G3b eine kombinierte Pulver-/Naßlackkabine GK ist, die jeweils eine erste Abscheidevorrichtung 11 für Naßlack und eine zweite Abscheidevorrichtung 12 für Pulverlack aufweist, wobei beide Abscheidevorrichtungen 11 und 12 im Unterteil 6 gehaltert und verschieblich geführt 13 sind, und, daß diese Abscheidevorrichtungen 11 und 12 zum wahlweisen, wechselnden Andocken an den luftdurchlässigen Boden 7 der Pulver-/Naßlackkabine GK und der Ablufteinrichtung 10 ausgebildet sind, siehe hierzu die Figuren 2 bis 4.
Die Abdichtung erfolgt dabei vorzugsweise mit pneumatisch ansteuerbarem Schlauch, Ring oder Dichtlippen.An equivalent and equivalent, alternative and the generic generic term of the above solution, another embodiment of the inventive concept is characterized in such a way that at least one of the application devices G1, ... G3b provided in the application zone G is a combined powder / wet paint booth GK, which each have a first separating device 11 for wet paint and a second separating device 12 for powder paint, both separating devices 11 and 12 being held and displaceably guided 13 in the lower part 6, and that these separating devices 11 and 12 for optional, alternating docking with the air-permeable floor 7 the powder / wet paint booth GK and the exhaust device 10 are formed, see FIGS. 2 to 4.
The sealing is preferably carried out with a pneumatically controllable hose, ring or sealing lips.

Für beide, vorstehend beschriebenen, Grundvarianten gilt gleichermaßen, daß mindestens eine der Applikationseinrichtungen G1, ... G3b gegenüber den anderen, für das Aufbringen eines in seiner Art und Beschaffenheit anderen Oberflächenveredlungsstoffes bzw. für ein anderes Veredlungsverfahren ausgebildet ist. For both basic variants described above applies equally that at least one of the application devices G1, ... G3b compared to the others, for applying one in its nature and nature other surface finishing material or for another finishing process is in place.

In weiterer spezieller Bauart ist bei der zweiten Grundvariante nun noch vorgesehen, daß die Abscheidevorrichtungen 11 und 12 in Kabinenlängsrichtung verschiebbar geführt 13 und vorzugsweise aneinander gekoppelt sind, sowie, daß der luftdurchlässige Boden 7 der Pulver-/Naßlackkabine GK einen in Kabinenlängsrichtung und vorzugsweise im Mittenbereich verlaufenden annähernd U- oder V-förmigen, gegenüber den Abscheidevorrichtungen 11 und 12 abgedichteten und bezüglich der Ebene des Bodens 7 abgesenkten Kanal 8 aufweist, wobei innerhalb von jenem 8 der Förderweg F1, F2a bzw. F3a verläuft. Vorzugsweise ist der Kanal 8 bewässert.Another special design is the second Basic variant now provided that the separators 11 and 12 displaceable in the longitudinal direction of the cabin performed 13 and preferably coupled to each other are, and that the air-permeable bottom 7th the powder / wet paint booth GK one in the longitudinal direction of the booth and preferably in the middle area approximately U-shaped or V-shaped, in relation to the separating devices 11 and 12 sealed and related the level of the floor 7 lowered channel 8 has, within that 8 of the conveyor F1, F2a or F3a runs. Preferably, the Channel 8 irrigated.

In weiterer Ausgestaltung können bei Bedarf die Abscheidevorrichtungen 11 und 12 in Kabinenquerrichtung verschiebbar geführt 13 bzw. die Abscheidevorrichtungen 11 und 12 mehrfach, vorzugsweise als 3-er oder 4-er-Kombination vorgesehen werden.In a further embodiment, the separation devices can be used if necessary 11 and 12 in the transverse direction of the cabin slidably guided 13 or the separators 11 and 12 several times, preferably as a triple or 4-way combination can be provided.

Besonders vorteilhaft ist es, die beiden vorstehend beschriebenen, gleichwertigen Grundvarianten der Erfindung in einer Anlage, z.B. einer solchen gemäß der Fig. 1, zu vereinen, wobei, je nach Kundenauftrag und -wünschen, eine oder mehrere der Applikationseinrichtungen G1... G3b als kombinierte Pulver-/Naßlackkabine GK ausbildbar sind.It is particularly advantageous to use the two above described, equivalent basic variants of the invention in a plant, e.g. according to such 1, to combine, depending on the customer order and wishes, one or more of the application devices G1 ... G3b as a combined powder / wet paint booth GK can be trained.

Die Anlage nach der Fig. 1 zeichnet sich im weiteren und speziellen noch durch die Kombination nachstehender Merkmale aus:

  • a) Die Applikationszone G weist eine erste, von einem von dem Vorbereitungsbereich B kommenden, ersten Förderweg F 1 durchlaufene, Applikationseinrichtung G1 auf, die mittels einem nachgeordneten Querförderer Q1 Anschluß an einen Trockner H1 hat,
  • b) neben der Applikationseinrichtung G1 sind paarweise weitere Applikationseinrichtungen G2a, G2b und G3a, G3b angeordnet, die jeweils nacheinander von einem Förderwegabschnitt F2a bzw. F3a durchlaufen werden,
  • c) der rückgeführte, seitlich durch die Trocknungszone H verlaufende, zweite bzw. dritte Förderweg F2 bzw. F3 mündet in die vordere Applikationseinrichtung G2a bzw. G3a, während die entlang dem Förderweg F2a bzw. F3a auf erstere folgende Applikationseinrichtung G2b bzw. G3b unter Zwischenschaltung eines weiteren Querförderers Q2 bzw. Q3 Anschluß an einen Trockner H2 bzw. H3 hat, und
  • d) die Trockner H1 bis H3 sind mehrspurig ausgebildet, wobei diese Trockner H1 bis H3 vorzugsweise jeweils einen Abdunst- und/oder Trocknungs-, einen Einbrenn- und einen Kühlabschnitt umfassen.
    • The system according to FIG. 1 is further characterized by the combination of the following features:
  • a) the application zone G has a first application device G1, which is passed through a first conveying path F 1 coming from the preparation area B and which has a connection to a dryer H1 by means of a downstream cross conveyor Q1,
  • b) in addition to the application device G1, further application devices G2a, G2b and G3a, G3b are arranged in pairs, each of which is successively traversed by a conveyor path section F2a or F3a,
  • c) the recirculated second or third conveying path F2 or F3, which runs laterally through the drying zone H, opens into the front application device G2a or G3a, while the application device G2b or G3b following the conveying path F2a or F3a with the interposition a further cross conveyor Q2 or Q3 has connection to a dryer H2 or H3, and
  • d) the dryers H1 to H3 are of multi-track design, these dryers H1 to H3 preferably each comprising an evaporation and / or drying section, a stoving section and a cooling section.

    • In Weiterbildung der Erfindung ist in der Anlage nach der Fig. 1 nun noch vorgesehen, daß zwischen dem, den Trocknern H1, H2, H3 nachgeordneten, Querförderer Q4 und der Prüf- und Fertigstellungszone J, der letzteren J zugewandt und zu jener J angeschlossen, eine Pufferzone P sowie ein weiterer Querförderer Q5 angeordnet sind.In a development of the invention is in the system 1 now provided that between the cross conveyor downstream of the dryers H1, H2, H3 Q4 and the testing and completion zone J, facing the latter J and connected to that J, a buffer zone P and another cross conveyor Q5 are arranged.

    Zu der in den Figuren 2 - 4 gezeigten und in einer Anlage nach Fig. 1 einsetzbaren Pulver-/Naßlackkabine GK ist abschließend noch auszuführen, daß das Kopfteil 4 die Zulufteinrichtungen in bekannter Weise einschließt, das Mittelteil 5 hier mit Mitteln zum Aufbringen von Naß- und Pulverlack versehen ist, das Unterteil 6 gemäß den weiter vorn stehenden Ausführungen mit wahlweise einschiebbaren, verschiedenen Abscheidevorrichtungen 11 und 12 ausgebildet ist und die kombinierte Pulver-/Naßlackkabine GK in bekannter Weise jeweils mittels einem gerüstartigen Unterbau 9 auf einem Boden N aufgestellt ist. The one shown in FIGS. 2-4 and in a 1 usable powder / wet paint booth GK is finally to be explained that the Head part 4 the supply air devices in a known manner includes, the middle part 5 here with means for Application of wet and powder paint is provided, the lower part 6 according to the statements above with optionally insertable, different Separation devices 11 and 12 is formed and the combined powder / wet paint booth GK in known Way by means of a scaffold Substructure 9 is set up on a floor N.

    Da die Arbeitsweise hinsichtlich Vorbereitung, Trocknung, Prüf- und Nacharbeit an derartigen Anlagen an sich bekannt ist, erübrigt sich hier eine derartige Beschreibung; hervorzuheben ist nur noch, daß in Vorbereitung eines Farb- und/oder Pulverwechsels nur mittels dem Naßteil 11 der Pulver-/Naßlackkabine GK ein entsprechender Reinigungszyklus gefahren wird und nach letzterem die vorbestimmte Abscheidevorrichtung 11 bzw. 12 unter das Mittelteil 5 der kombinierten Pulver-/Naßlackkabine GK eingeschoben wird.Since the way of working with regard to preparation, drying, Testing and rework on such systems is known, there is no need here Description; all that needs to be emphasized is that in preparation a color and / or powder change only by means of the wet part 11 of the powder / wet paint booth GK appropriate cleaning cycle is run and after the latter the predetermined separating device 11 or 12 under the central part 5 of the combined Powder / wet paint booth GK is inserted.

    Diese neue Anlage gemäß der Erfindung zeichnet sich insbesondere durch die vielseitige Einsetzbarkeit, geringen konstruktiv-technischen Aufwand sowie geringen Umrüstaufwand für den Wechsel des Beschichtungsstoffes und der Beschichtungsart aus.
    So kann z.B. die Applikationseinrichtung G1 für das Aufbringen von einer Grundbeschichtung und die Applikationseinrichtungen G2 ...G3b für das Aufbringen eines Füllers, Basis- oder ersten und eventuell zweiten Decklackes oder eines abschließenden Klarlackes vorgesehen und als Kabinen ausgebildet werden.    This new system according to the invention is characterized in particular by its versatility, low structural and technical outlay and little changeover effort for changing the coating material and the type of coating.
    For example, the application device G1 for applying a base coating and the application devices G2 ... G3b for applying a filler, base or first and possibly second topcoat or a final clearcoat can be provided and designed as booths.

    Durch die Einbindung einer oder mehrerer Pulver-/Naßlackkabinen KG gemäß dem Anspruch 1 und den Fig. 2 bis 4 in die Applikationszone G, G1 ... G3b ist mit geringem technischen Aufwand das Aufbringen von Pulver- und Naßlack in unterschiedlichster Reihenfolge in einer Anlage durchführbar oder ein schnelles, kostengünstiges Umstellen der Anlage auf chargenweise Pulver- oder Naßlack-Lackierung möglich, wobei die Mittel für die Lackierung, z.B. Sprühvorrichtungen, von Hand und/oder automatisch führbar sind. Zudem sind die in dem Mittelteil 5 einer Pulver-/Naßlackkabine KG für die Pulverbeschichtung vorgesehenen bekannten Mittel derart ausgebildet, daß durch Umschaltung auf einen anderen Pulverkreislauf wahlweise verschiedene Pulverarten verwendet werden können.By integrating one or more powder / wet paint booths KG according to claim 1 and FIGS. 2 to 4 in the application zone G, G1 ... G3b is with applying little technical effort Powder and wet paint in the most varied order feasible in a plant or a fast, Cost-effective conversion of the system to batches Powder or wet paint coating possible, the Painting agents, e.g. sprayers can be guided by hand and / or automatically. In addition, they are in the middle part 5 of a powder / wet paint booth KG intended for powder coating known means designed such that by switching to another powder cycle different types of powder can be used can.

    Weiterhin liegt es im Rahmen der Erfindung, in der Applikationseinrichtung G1 oder in einer oder mehreren der folgenden Applikationseinrichtungen G2 ... G3b eine Lackierung im Tauchbecken, Flutanlage o.ä. vorzunehmen, oder gar ein Elektrophoresebad o.ä. zur Grundierung oder dekorativen Oberflächenveredlung einzusetzen mit eventuell anschließender ein- oder mehrschichtiger Deck- und/oder Klarlackversiegelung.Furthermore, it is within the scope of the invention in which Application device G1 or in one or more of the following application devices G2 ... G3b painting in the plunge pool, flood system or similar make, or even an electrophoresis bath or similar to Primer or decorative surface finishing use with any subsequent one or multilayer top and / or clear lacquer sealing.

    Claims (11)

    1. System (A) for the surface treatment of workpieces (W), in particular vehicle bodies, with several areas such as preparation (B) and surface treatment (E), whereby the area for surface treatment (E) is sub- divided into an application zone (G), a subsequent drying zone (H), a finishing zone (J) following on from this as well as conveyor sections (Q1 to Q6) and at least one conveyor path (F2, F3) of a conveyor section (Q4) branches off after the drying zone (H) and returns to the application zone (G),
      characterised in that
      the application zone (G) contains at least two application devices (G1 G3b) and that the return conveyor (F2, F3) leads into one of the application devices (G1, ...G3b).
    2. System according to claim 1,
      characterised in that
      at least one of the application devices (G1...G3b) provided in the application zone (G) is a combined powder coating/wet paint cabin (GK), which in each case comprises a first separator (11 ) for wet paint and a second separator (12) for powder-coating, whereby both separators (11, 12) are installed in the lower section (6) in a movable way, and in that these separators (11, 12) are designed for alternate docking onto the air-permeable floor (7) of the powder-coating/wet paint cabin (GK) and exhaust air extraction (10) as required.
    3. System according to one of claims 1 or 2,
      characterised in that
      at least one of the application devices (G1...G3b) compared to the others is designed to apply a surface treatment material different in type and quality or for another treatment process.
    4. System according to one of claims 2 to 3,
      characterised in that
      the separators (11 and 12) are movable (13) in the cabin longitudinal direction and are preferably linked to each other.
    5. System according to one of claims 2 to 3,
      characterised in that
      the separators (11 and 12) are movable in the cabin cross-direction.
    6. System according to one of claims 2 to 5,
      characterised in that
      multiple separators (11 and 12) are provided, preferably a combination of 3 or 4.
    7. System according to one of claims 2 to 6,
      characterised in that
      the air-permeable floor (7) of the powder-coating/wet paint cabin (GK) has a channel (8) running in the cabin longitudinal direction and preferably in the centre area, which is approximately U- or V-shaped, sealed against the separators (11 and 12) and sunken below the level of the floor (7), whereby the conveyor path (F1, F2a or F3a) runs inside the latter (8).
    8. System according to one of claims 1 to 7,
      characterised by
      the combination of the following features:
      a) The application zone (G) has a first application device (G1), intersected by a first conveyor path (F1) starting from the preparation area (B), which is connected by means of a subordinate cross-conveyor (Q1) to a dryer (H1),
      b) apart from the application device (G1 further application devices(G2a, G2b and G3a, G3b) are arranged in pairs, which are intersected in each case one after the other by a conveyor section (F2a or F3a),
      c) the return second or third conveyor (F2 or F3), running past the dryer (H2 or H3) in the drying zone, leads into the front application device (G2a or G3a), while the application device (G2b or G3b), lying alongside and behind the conveyor path (F2a or F3a), with a further cross-conveyor (Q2 or Q3) positioned in between, is connected to a dryer (H2 or H3).
    9. System according to one of claims 1 to 8,
      characterised in that
      the dryers have multiple lanes and preferably comprise a flash-off and/or drying, a stoving and cooling down section.
    10. System according to one of claims 1 to 9,
      characterised in that
      a buffer zone (P) as well as a further cross-conveyor (Q5) are arranged between the cross-conveyor (Q4) located behind the dryers (H1, H2, H3) and the inspection and finishing zone (J), facing the latter (J) and connected to that (J).
    11. System according to one of the above claims,
      characterised in that
      at least one change-over device is allocated to the means for powder coating provided in a centre part (5) of the powder-coating /wet paint cabin (GK) which allows various types of powder to be supplied from a different powder feed circuit in each case as required.
    EP96927044A 1995-07-21 1996-07-18 Installation for coating the surfaces of workpieces Expired - Lifetime EP0840652B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19526613A DE19526613C2 (en) 1995-07-21 1995-07-21 Plant for surface finishing of workpieces
    DE19526613 1995-07-21
    PCT/EP1996/003181 WO1997003760A2 (en) 1995-07-21 1996-07-18 Installation for coating the surfaces of workpieces

    Publications (2)

    Publication Number Publication Date
    EP0840652A2 EP0840652A2 (en) 1998-05-13
    EP0840652B1 true EP0840652B1 (en) 2002-10-02

    Family

    ID=7767395

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96927044A Expired - Lifetime EP0840652B1 (en) 1995-07-21 1996-07-18 Installation for coating the surfaces of workpieces

    Country Status (6)

    Country Link
    EP (1) EP0840652B1 (en)
    AT (1) ATE225210T1 (en)
    DE (2) DE19526613C2 (en)
    ES (1) ES2181906T3 (en)
    PL (1) PL184099B1 (en)
    WO (1) WO1997003760A2 (en)

    Families Citing this family (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19819963A1 (en) * 1998-05-05 1999-11-11 Itw Gema Ag Powder spray coating device
    DE19833272A1 (en) * 1998-07-24 2000-02-10 Schuler Automation Gmbh & Co Method and device for the transport of plate-shaped transport goods
    EP0995819B1 (en) * 1998-10-19 2003-12-17 Inventio Ag Apparatus for treating workpieces
    DE102005011811A1 (en) * 2005-03-15 2006-09-21 Dürr Systems GmbH Painting plant for vehicle bodies in mass production
    DE102007010312A1 (en) * 2007-02-23 2008-08-28 Wurster, Gerd Apparatus and method for painting rims
    CN112705392B (en) * 2020-12-17 2021-10-26 郑玉莲 Aluminum alloy plate surface spraying device

    Family Cites Families (13)

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    Publication number Priority date Publication date Assignee Title
    US4401445A (en) * 1981-03-17 1983-08-30 Jesse Browning Method for converting a liquid paint spray booth to a powder paint spray booth
    DE3130024C2 (en) * 1981-07-30 1983-08-18 Mannesmann AG, 4000 Düsseldorf Transport system
    DE3214290C2 (en) * 1982-04-19 1984-11-22 OLT Oberflächen-, Luft- und Trocknungstechnik GmbH, 7445 Bempflingen Device for surface coating of objects
    DE3406464C2 (en) * 1984-02-23 1986-10-09 Hans-Josef 5010 Bergheim Licher Paint booth
    JPS6111170A (en) * 1984-06-27 1986-01-18 Toyota Motor Corp Method and apparatus for automatic painting
    US4880101A (en) * 1988-09-16 1989-11-14 The Boeing Company Piece locating system for painting or the like
    JP2662263B2 (en) * 1988-10-19 1997-10-08 小野田エー・エル・シー株式会社 Paint coating method and apparatus
    JP3144566B2 (en) * 1990-05-08 2001-03-12 マツダ株式会社 Painting method and painting equipment
    US5103760A (en) * 1990-12-17 1992-04-14 Johnson Walter F Liquid to powder spray booth conversion insert
    DE4116897A1 (en) * 1991-05-23 1992-11-26 Wurster Gerd Booth for spray painting and powder coating - has suction system connected to powder recover device, for use during powder coating, and conventional spray mist precipitation
    DE4127580C1 (en) * 1991-08-21 1993-02-11 Duerr Gmbh Car body high gloss paint coating - incorporates sliding carriage and transport rotor with adaptors gripping body
    JPH05154420A (en) * 1991-12-06 1993-06-22 Amada Co Ltd Coating and working device for shape steel
    DE4222349C2 (en) * 1992-07-08 1996-10-02 Duerr Gmbh & Co Paint shop

    Also Published As

    Publication number Publication date
    DE19526613C2 (en) 1998-08-27
    ES2181906T3 (en) 2003-03-01
    ATE225210T1 (en) 2002-10-15
    DE19526613A1 (en) 1997-01-23
    WO1997003760A2 (en) 1997-02-06
    DE59609760D1 (en) 2002-11-07
    PL320752A1 (en) 1997-10-27
    EP0840652A2 (en) 1998-05-13
    WO1997003760A3 (en) 1997-04-03
    PL184099B1 (en) 2002-08-30

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