EP0895485B1 - Plant for coating objects with frequently changing colours - Google Patents

Plant for coating objects with frequently changing colours Download PDF

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Publication number
EP0895485B1
EP0895485B1 EP97921746A EP97921746A EP0895485B1 EP 0895485 B1 EP0895485 B1 EP 0895485B1 EP 97921746 A EP97921746 A EP 97921746A EP 97921746 A EP97921746 A EP 97921746A EP 0895485 B1 EP0895485 B1 EP 0895485B1
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EP
European Patent Office
Prior art keywords
cartridge
paint
facility
cartridges
plant according
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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
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EP97921746A
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German (de)
French (fr)
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EP0895485A1 (en
Inventor
Alfons Dintner
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Audi AG
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Audi AG
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14Arrangements 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
    • B05B12/1463Arrangements 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 separate containers for different materials to be sprayed being moved from a first location, e.g. a filling station, where they are fluidically disconnected from the spraying apparatus, to a second location, generally close to the spraying apparatus, where they are fluidically connected to the latter

Definitions

  • the invention relates to a coating system for coating objects, in particular of vehicle bodies with frequently changing color material according to the generic term of claim 1.
  • a known generic coating system contains a storage device, in which color materials with different hues are provided. Is further a transport device for the different color materials to at least one coating station present, where objects running through in cycles at least partially be coated. In this coating station there are application devices, in particular Spraying devices for applying the coating to the currently present object contain.
  • Such a coating system also includes a control device for a Color change with the storage device, the transport device and the application device and cooperates with tax bodies in such a way that in the presence of a certain object in the coating station the desired and assigned Color material is available at the application facility.
  • the storage facility consists of a cartridge sorting and racking warehouse, in which a variety of Store color cartridges with both the same and different color material.
  • the Storage locations of the individual color cartridges are in connection with the color of the respective contained Color material and / or a color amount of the color material contained in each case the control unit detectable.
  • Via a control signal that encodes information about the respective the application device for a coating material required with regard to Contains color and / or amount of color is a corresponding color cartridge at an output the cartridge sorting and shelf storage can be issued.
  • the transport device is a cartridge transport device, with the output at the outlet of the cartridge sorting rack storage Color cartridges in the closed state in a feed branch to a docking station are transportable. This docking station is connected upstream of an application device, where docked color cartridges are opened to apply the color material.
  • Such a coating system is easy to load with color-filled ink cartridges and empty color cartridges can be easily removed.
  • the cartridge transport is to carry out here laboriously by hand or by means of handling devices, in particular the time required is high and the color change frequency is limited.
  • the object of the invention is to further develop a generic coating installation that a simple and fast cartridge transport is achieved.
  • the transport of the ink cartridges is air-assisted in a piping system proposed in the manner of a pneumatic tube. This will make an easier one faster and trouble-free transport achieved, based on known and proven pneumatic Control devices can be used.
  • the color cartridges are correspondingly cylindrical, with outside Slide and guide rings. Such pipelines are easy even over long distances to lead with bends.
  • a cylinder-piston arrangement is contained in the color cartridges. at a filled color cartridge, the piston is in one end position and the other side of the cartridge is closed. In this condition, a color cartridge is delivered and stored and transported to the docking facility. When she gets there and is docked, the cartridge docking side is opened and the color cartridge is moved by moving the piston forcibly emptied.
  • This emptying can advantageously be time-controlled according to claim 4 and / or pressure-controlled for a defined emptying and application of the color material respectively.
  • the front of the cartridge can have a tearable or pierceable cover as a closure exhibit.
  • a closure in the manner of a spring-loaded Valve proposed.
  • a valve tappet is then required for the opening just be inserted into the color cartridge.
  • claim 6 is also a cross-slide device for a color cartridge in the docking station claimed, whereby the piston back of a color cartridge to the approach for a push rod for cartridge emptying becomes accessible. It can according to claim 7 a next color cartridge has already been held in a waiting position in the docking station become.
  • the loading and emptying (empty color cartridges) of the cartridge sorting and shelf storage can be automated via warehouse inputs and warehouse outputs according to claim 8 at time intervals take place and / or according to claim 9 via interchangeable magazines, the one Contains a large number of color cartridges.
  • According to claim 11 is also in the course of the cartridge preparation and / or the cartridge transport at least one shaking device for mixing the color material in a cartridge provided.
  • a coating system 30 is for use represented at a vehicle manufacturer.
  • a customer order for a vehicle with a certain color scheme is collected with further manufacturing data according to block 2 in a program planning and vehicle control added.
  • Data for the required color material go together with a time specification to the paint manufacturer, who, according to block 3, receives the color material in good time with the required color, according to block 4 in cartridges fills and at the vehicle manufacturer to fill an automatic Cartridge sorting and racking stores according to block 5.
  • a painting object according to block 6 Via the vehicle control a painting object according to block 6, here one Vehicle body, fed to a coating station in a controlled manner.
  • the cartridge sorting and shelf warehouse for the delivery of a color cartridge with an assigned desired color and possibly an assigned Color quantity controlled.
  • This color cartridge comes through a Pipe systems according to block 7 as a feed branch in an automatic docking station after block 8.
  • There the color cartridge is opened automatically and emptied in a controlled manner, an application device containing spray organs after block 9, the painting object coated according to block 6.
  • the at least partially empty color cartridge is then in another pipe system after block 10 as the return branch Cartridge sorting and shelf storage supplied to block 5.
  • FIG. 2 is a coating system corresponding to the block diagram of FIG. 1 30 shown, with a cartridge sorting and shelf storage 5, a feed branch 7 of a pipe system, a docking station 8 and a return branch 10 of the pipe system.
  • a plurality of filled color cartridges 12 are shown, one of which Ink cartridge 13 straight at a bearing exit 14 into the feed branch 7 of the pipe system is delivered and fed.
  • the filled color cartridges 12, 13 were the cartridge sorting at a loading entrance 15 and shelf storage.
  • Position 13e shows the controlled return transport in return branch 10 and in position 13f controlled storage in the cartridge sorting and rack storage 5.
  • Empty cartridges 18 are stored at a removal outlet 17 controlled, especially in batches, taken and sent to the paint manufacturer returned.
  • the filled color cartridge 13 is shown enlarged.
  • This has a cylindrical housing 20 with bevels 21 on the two end faces.
  • On the outer surface of the cylinder are two sliding and guide rings at a distance 22 attached to the inside of the piping system during transport by a pneumatic control.
  • the cylinder housing 20 and a displaceable piston 23 form a cylinder-piston arrangement.
  • the piston is in the filled state shown 23 on the left rear of the color cartridge 13.
  • the right front as the docking side of the color cartridge 13 is with a penetrable Cover 24 closed.
  • the back of the piston 23 is through an end Opening 25 accessible from the outside, this opening too can be closed by a pierceable cover.
  • the ink cartridge 13 is emptied in accordance with position 13c in Fig. 2 performed such that the piston via a push rod 26 23 is moved in the direction of the docking opening, the color cartridge 13 docked to a color line of the application device 9 and is connected to a spray member 27.
  • the push rod 26 is part of a pressure control device, via the a defined emptying of the ink cartridge 13 takes place. After emptying the push rod 26 is fully retracted, the Piston 23 in the right position when the ink cartridge is returned remains as z. B. can be seen from the position 13d.

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  • Coating Apparatus (AREA)
  • Spray Control Apparatus (AREA)

Description

Die Erfindung betrifft eine Beschichtungsanlage zum Beschichten von Gegenständen, insbesondere von Fahrzeugkarosserien mit häufig wechselndem Farbmaterial nach dem Oberbegriff des Anspruchs 1.The invention relates to a coating system for coating objects, in particular of vehicle bodies with frequently changing color material according to the generic term of claim 1.

Eine bekannte gattungsgemäße Beschichtungsanlage (EP-A-796665, nicht vorreröffentlicht) enthält eine Vorratseinrichtung, in der Farbmaterialien mit unterschiedlichen Farbtönen bereitgestellt sind. Weiter ist eine Transporteinrichtung für die unterschiedlichen Farbmaterialien zu wenigstens einer Beschichtungsstation vorhanden, wo taktweise durchlaufende Gegenstände wenigstens teilweise beschichtet werden. In dieser Beschichtungsstation sind Applikationseinrichtungen, insbesondere Sprühorgane zur Aufbringung der Beschichtung auf den gerade anwesenden Gegenstand enthalten. Zudem umfasst eine solche Beschichtungsanlage eine Steuereinrichtung für einen Farbwechsel, die mit der Vorratseinrichtung, der Transporteinrichtung und der Applikationseinrichtung sowie mit Steuerorganen dergestalt zusammenwirkt, daß bei der Anwesenheit eines bestimmten Gegenstandes in der Beschichtungsstation das jeweils gewünschte und zugeordnete Farbmaterial an der Applikationseinrichtung zur Verfügung steht. Die Vorratseinrichtung besteht aus einem Kartuschen-Sortier- und Regallager, in dem eine Vielzahl von Farbkartuschen sowohl mit gleichem als auch mit unterschiedlichem Farbmaterial lagern. Die Lagerorte der einzelnen Farbkartuschen sind in Verbindung mit dem Farbton des jeweils enthaltenen Farbmaterials und/oder einer Farbmenge des jeweils enthaltenen Farbmaterials von der Steuereinheit erfassbar. Über ein Steuersignal, das codiert Angaben über das jeweils an der Applikationseinrichtung für eine Beschichtung erforderliche Farbmaterial hinsichtlich Farbton und/oder Farbmenge enthält, ist eine entsprechende Farbkartusche an einem Ausgang des Kartuschen-Sortier- und Regallagers ausgebbar. Die Transporteinrichtung ist eine Kartuschen-Transporteinrichtung, mit der am Ausgang des Kartuschen-Sortier-Regallagers ausgegebene Farbkartuschen im geschlossenen Zustand in einem Zuführzweig an eine Andockstation transportierbar sind. Diese Andockstation ist einer Applikationseinrichtung vorgeschaltet, wobei angedockte Farbkartuschen zur Ausbringung des Farbmaterials geöffnet werden.A known generic coating system (EP-A-796665, not pre-published) contains a storage device, in which color materials with different hues are provided. Is further a transport device for the different color materials to at least one coating station present, where objects running through in cycles at least partially be coated. In this coating station there are application devices, in particular Spraying devices for applying the coating to the currently present object contain. Such a coating system also includes a control device for a Color change with the storage device, the transport device and the application device and cooperates with tax bodies in such a way that in the presence of a certain object in the coating station the desired and assigned Color material is available at the application facility. The storage facility consists of a cartridge sorting and racking warehouse, in which a variety of Store color cartridges with both the same and different color material. The Storage locations of the individual color cartridges are in connection with the color of the respective contained Color material and / or a color amount of the color material contained in each case the control unit detectable. Via a control signal that encodes information about the respective the application device for a coating material required with regard to Contains color and / or amount of color, is a corresponding color cartridge at an output the cartridge sorting and shelf storage can be issued. The transport device is a cartridge transport device, with the output at the outlet of the cartridge sorting rack storage Color cartridges in the closed state in a feed branch to a docking station are transportable. This docking station is connected upstream of an application device, where docked color cartridges are opened to apply the color material.

Entleerte Farbkartuschen werden entsprechend über einen Rückführzweig wieder in das gleiche (oder ggf. ein anderes) Kartuschen-Sortier- und Regallager gesteuert zurückgeführt.Empty ink cartridges are returned to the same via a return branch (or possibly another) cartridge sorting and shelf storage controlled.

Eine solche Beschichtungsanlage ist einfach mit farbgefüllten Farbkartuschen zu beschicken und entleerte Farbkartuschen können einfach entnommen werden. Der Kartuschentransport ist hier aufwändig von Hand oder mittels Handhabungsvorrichtungen durchzuführen, wobei insbesondere der Zeitaufwand hoch und die Farbwechselfrequenz beschränkt sind.Such a coating system is easy to load with color-filled ink cartridges and empty color cartridges can be easily removed. The cartridge transport is to carry out here laboriously by hand or by means of handling devices, in particular the time required is high and the color change frequency is limited.

Aufgabe der Erfindung ist es eine gattungsgemäße Beschichtungsanlage so weiterzubilden, dass ein einfacher und schneller Kartuschentransport erreicht wird.The object of the invention is to further develop a generic coating installation that a simple and fast cartridge transport is achieved.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved with the features of claim 1.

Gemäß Anspruch 1 wird der Transport der Farbkartuschen luftunterstützt in einem Rohrleitungssystem in der Art einer Rohrpost vorgeschlagen. Dadurch wird ein einfacher schneller und störungsfreier Transport erreicht, wobei auf an sich bekannte und bewährte pneumatische Steuereinrichtungen zurückgegriffen werden kann.According to claim 1, the transport of the ink cartridges is air-assisted in a piping system proposed in the manner of a pneumatic tube. This will make an easier one faster and trouble-free transport achieved, based on known and proven pneumatic Control devices can be used.

Bei einem preisgünstigen Rohrleitungssystem mit kreisrunden Leitungsquerschnitten nach Anspruch 2 werden die Farbkartuschen entsprechend zylindrisch ausgebildet, mit außen liegenden Gleit- und Führungsringen. Solche Rohrleitungen sind einfach auch über weite Strecken mit Biegungen zu führen.With an inexpensive piping system with circular pipe cross sections Claim 2, the color cartridges are correspondingly cylindrical, with outside Slide and guide rings. Such pipelines are easy even over long distances to lead with bends.

Gemäß Anspruch 3 ist in den Farbkartuschen eine Zylinder-Kolbenanordnung enthalten. Bei einer gefüllten Farbkartusche steht der Kolben in einer Endstellung und die andere Kartuschenseite ist verschlossen. In diesem Zustand wird eine Farbkartusche angeliefert, gelagert und bis zur Andockeinrichtung transportiert. Wenn sie dort ankommt und angedockt wird, wird die Kartuschenandockseite geöffnet und durch Verschieben des Kolbens die Farbkartusche zwangsentleert. Diese Entleerung kann nach Anspruch 4 vorteilhaft zeitgesteuert und/oder druckgeregelt für eine definierte Entleerung und Ausbringung des Farbmaterials erfolgen.According to claim 3, a cylinder-piston arrangement is contained in the color cartridges. at a filled color cartridge, the piston is in one end position and the other side of the cartridge is closed. In this condition, a color cartridge is delivered and stored and transported to the docking facility. When she gets there and is docked, the cartridge docking side is opened and the color cartridge is moved by moving the piston forcibly emptied. This emptying can advantageously be time-controlled according to claim 4 and / or pressure-controlled for a defined emptying and application of the color material respectively.

Die Kartuschenvorderseite kann einen aufreißbaren oder durchstoßbaren Deckel als Verschluß aufweisen. Mit Anspruch 5 wird alternativ ein Verschluß in der Art eines federbelasteten Ventils vorgeschlagen. In der Andockstation braucht dann ein Ventilstößel für die Öffnung nur in die Farbkartusche etwas eingeschoben werden.The front of the cartridge can have a tearable or pierceable cover as a closure exhibit. With claim 5 is alternatively a closure in the manner of a spring-loaded Valve proposed. In the docking station, a valve tappet is then required for the opening just be inserted into the color cartridge.

In Anspruch 6 ist zudem eine Querverschiebeeinrichtung für eine Farbkartusche in der Andockstation beansprucht, wodurch die Kolbenrückseite einer Farbkartusche zum Ansatz für eine Schubstange für eine Kartuschenentleerung zugänglich wird. Dabei kann nach Anspruch 7 bereits eine nächste Farbkartusche in einer Wartestellung in der Andockstation bereitgehalten werden.In claim 6 is also a cross-slide device for a color cartridge in the docking station claimed, whereby the piston back of a color cartridge to the approach for a push rod for cartridge emptying becomes accessible. It can according to claim 7 a next color cartridge has already been held in a waiting position in the docking station become.

Die Beschickung und Entleerung (leere Farbkartuschen) des Kartuschen-Sortier-und Regallagers kann über Lager-Eingänge und Lager-Ausgänge nach Anspruch 8 automatisiert in Zeitintervallen erfolgen und/oder gemäß Anspruch 9 über austauschbare Magazine, die eine Mehrzahl von Farbkartuschen enthalten.The loading and emptying (empty color cartridges) of the cartridge sorting and shelf storage can be automated via warehouse inputs and warehouse outputs according to claim 8 at time intervals take place and / or according to claim 9 via interchangeable magazines, the one Contains a large number of color cartridges.

Für Steuerungs-, Abrechnungs-, Entsorgungszwecke, usw. soll nach Anspruch 10 auf jeder Farbkartusche ein Code, insbesondere ein Barcode mit allen relevanten Fülldaten angebracht sein.For control, billing, disposal purposes, etc. according to claim 10 on everyone Color cartridge a code, in particular a barcode with all relevant filler data attached his.

Nach Anspruch 11 ist zudem im Verlauf der Kartuschenbereitstellung und/oder des Kartuschentransports wenigstens eine Schütteleinrichtung zur Durchmischung des Farbmaterials in einer Kartusche vorgesehen. According to claim 11 is also in the course of the cartridge preparation and / or the cartridge transport at least one shaking device for mixing the color material in a cartridge provided.

Anhand einer Zeichnung werden Ausführungsbeispiele der Erfindung näher erläutert.Exemplary embodiments of the invention are illustrated in more detail with the aid of a drawing explained.

Es zeigen:

Fig. 1
ein Blockschema einer Beschichtungsanlage mit deren externen Ansteuer- und Beschickungseinrichtungen,
Fig. 2
eine schematisierte Darstellung einer Beschichtungseinrichtung, und
Fig. 3
eine vergrößerte Darstellung einer Farbkartusche.
Show it:
Fig. 1
a block diagram of a coating system with its external control and loading devices,
Fig. 2
a schematic representation of a coating device, and
Fig. 3
an enlarged view of a color cartridge.

Im Blockschema der Fig. 1 ist eine Beschichtungsanlage 30 für den Einsatz bei einem Fahrzeughersteller dargestellt.In the block diagram of FIG. 1, a coating system 30 is for use represented at a vehicle manufacturer.

Gemäß Block 1 erfolgt eine Kundenbestellung für ein Fahrzeug mit einer bestimmten Farbausstattung. Daten für die Farbausstattung werden zusammen mit weiteren Herstelldaten gemäß Block 2 in eine Programmplanung und Fahrzeugsteuerung aufgenommen.According to block 1, a customer order for a vehicle with a certain color scheme. Data for the color scheme are collected with further manufacturing data according to block 2 in a program planning and vehicle control added.

Daten für das erforderliche Farbmaterial gehen zusammen mit einer Zeitvorgabe an den Lackhersteller, der gemäß Block 3 zeitgerecht das Farbmaterial mit dem geforderten Farbton herstellt, gemäß Block 4 in Kartuschen abfüllt und beirn Fahrzeughersteller zur Befüllung eines automatischen Kartuschen-Sortier- und Regallagers entsprechend Block 5 anliefert.Data for the required color material go together with a time specification to the paint manufacturer, who, according to block 3, receives the color material in good time with the required color, according to block 4 in cartridges fills and at the vehicle manufacturer to fill an automatic Cartridge sorting and racking stores according to block 5.

Über die Fahrzeugsteuerung wird ein Lackierobjekt nach Block 6, hier eine Fahrzeugkarosserie, einer Beschichtungsstation gesteuert zugeführt. Dabei wird das Kartuschen-Sortier- und Regallager zur Abgabe einer Farbkartusche mit einem zugeordneten gewünschten Farbton und ggf. einer zugeordneten Farbmenge angesteuert. Diese Farbkartusche gelangt über ein Rohrsystern nach Block 7 als Zuführzweig in eine automatische Andockstation nach Block 8. Dort wird die Farbkartusche automatisch geöffnet und geregelt entleert, wobei eine Sprühorgane enthaltende Applikationseinrichtung nach Block 9 das Lackierobjekt nach Block 6 beschichtet.Via the vehicle control a painting object according to block 6, here one Vehicle body, fed to a coating station in a controlled manner. there the cartridge sorting and shelf warehouse for the delivery of a color cartridge with an assigned desired color and possibly an assigned Color quantity controlled. This color cartridge comes through a Pipe systems according to block 7 as a feed branch in an automatic docking station after block 8. There the color cartridge is opened automatically and emptied in a controlled manner, an application device containing spray organs after block 9, the painting object coated according to block 6.

Anschließend wird die zumindest teilweise entleerte Farbkartusche in einem weiteren Rohrsystem nach Block 10 als Rückführzweig wieder dem Kartuschen-Sortier- und Regallager nach Block 5 zugeführt.The at least partially empty color cartridge is then in another pipe system after block 10 as the return branch Cartridge sorting and shelf storage supplied to block 5.

Von dort werden die entleerten Farbkartuschen gemäß Block 4 wieder dem Lackhersteller für eine Kartuschenreinigung und Neubefüllung zur Verfügung gestellt.From there, the emptied color cartridges are returned to block 4 Paint manufacturers are available for cartridge cleaning and refilling posed.

Durch die Verwendung von Kartuschen mit relativ kleinen Lackmengen ist gemäß Block 11 eine genaue, lackierobjektbezogene und farbtonbezogene Lackverbrauchsabrechung möglich.By using cartridges with relatively small amounts of paint according to block 11, an exact, paint object-related and color-related Paint consumption accounting possible.

In Fig. 2 ist entsprechend dem Blockdiagramm nach Fig. 1 eine Beschichtungsanlage 30 dargestellt, mit einem Kartuschen-Sortier- und Regallager 5, einem Zuführzweig 7 eines Rohrsystems, einer Andockstation 8 und einem Rückführzweig 10 des Rohrsystems.2 is a coating system corresponding to the block diagram of FIG. 1 30 shown, with a cartridge sorting and shelf storage 5, a feed branch 7 of a pipe system, a docking station 8 and a return branch 10 of the pipe system.

Im oberen Bereich des Kartuschen-Sortier- und Regallagers 5 sind eine Mehrzahl von gefüllten Farbkartuschen 12 dargestellt, von denen eine Farbkartusche 13 gerade an einem Lagerausgang 14 in den Zuführzweig 7 des Rohrsystems abgegeben und eingespeist wird. Die gefüllten Farbkartuschen 12, 13 waren an einem Beschickungseingang 15 dem Kartuschen-Sortier- und Regallager zugeführt worden.In the upper area of the cartridge sorting and shelf storage 5 are one A plurality of filled color cartridges 12 are shown, one of which Ink cartridge 13 straight at a bearing exit 14 into the feed branch 7 of the pipe system is delivered and fed. The filled color cartridges 12, 13 were the cartridge sorting at a loading entrance 15 and shelf storage.

Im weiteren wird der Weg der Farbkartusche 13 in einzelnen Stellungen dargestellt und beschrieben: Furthermore, the path of the color cartridge 13 in individual positions shown and described:

In der Stellung 13a ist der Transport im Zuführzweig 7 zur Andockstation 8 dargestellt. Nach der Ankunft in der Andockstation 8 bei Stellung 13b erfolgt in einer (nicht näher dargestellten) Quertransporteinrichtung 16 eine Querverschiebung in die Stellung 13c. Dort wird die Farbkartusche 13 entleert, wie dies weiter unten noch im Detail erläutert wird.In position 13a the transport is in the feed branch 7 to the docking station 8 shown. Upon arrival at docking station 8 at position 13b takes place in a transverse transport device 16 (not shown in detail) a transverse shift to position 13c. There the color cartridge 13 emptied, as will be explained in more detail below.

Anschließend erfolgt ein weiterer Quertransport in die Stellung 13d mit einer Eingabe in den Rückführzweig 10 des Rohrleistungssystems. In der Stellung 13e ist der gesteuerte Rücktransport im Rückführzweig 10 eingezeichnet und in der Stellung 13f eine gesteuerte Einlagerung in das Kartuschen-Sortier- und Regallager 5.A further transverse transport into position 13d then takes place with an input into the return branch 10 of the pipeline system. In the Position 13e shows the controlled return transport in return branch 10 and in position 13f controlled storage in the cartridge sorting and rack storage 5.

An einern Entnahmeausgang 17 werden eingelagerte leere Kartuschen 18 gesteuert, insbesondere chargenweise, entnommen und an den Lackhersteller zurückgeliefert.Empty cartridges 18 are stored at a removal outlet 17 controlled, especially in batches, taken and sent to the paint manufacturer returned.

Im Verlauf der Stationen 13, 13a, 13b ist zudem eine (nicht dargestellte) Schütteleinrichtung vorgesehen zur Mischung des Farbmaterials 19 in der gefüllten Farbkartusche 13.In the course of the stations 13, 13a, 13b there is also a (not shown) Shaking device provided for mixing the color material 19 in the filled color cartridge 13.

In Fig. 3 ist die gefüllte Farbkartusche 13 vergrößert dargestellt. Diese hat ein zylindrisches Gehäuse 20 mit Schrägen 21 an den beiden Stirnseiten. An der Zylinderaußenfläche sind zwei im Abstand liegende Gleit- und Führungsringe 22 angebracht, die dicht an den Innenseiten des Rohrleitungssystems bei einem Transport durch eine Pneumatiksteuerung anliegen.In Fig. 3, the filled color cartridge 13 is shown enlarged. This has a cylindrical housing 20 with bevels 21 on the two end faces. On the outer surface of the cylinder are two sliding and guide rings at a distance 22 attached to the inside of the piping system during transport by a pneumatic control.

Das Zylindergehäuse 20 und ein verschiebbarer Kolben 23 bilden eine Zylinder-Kolbenanordnung. Im dargestellten gefüllten Zustand liegt der Kolben 23 an der linken Rückseite der Farbkartusche 13. Die rechte Vorderseite als Andockseite der Farbkartusche 13 ist mit einem durchstoßbaren Deckel 24 verschlossen. Die Rückseite des Kolbens 23 ist durch eine stirnseitige Öffnung 25 von außen her zugänglich, wobei auch diese Öffnung durch einen durchstoßbaren Deckel verschlossen sein kann.The cylinder housing 20 and a displaceable piston 23 form a cylinder-piston arrangement. The piston is in the filled state shown 23 on the left rear of the color cartridge 13. The right front as the docking side of the color cartridge 13 is with a penetrable Cover 24 closed. The back of the piston 23 is through an end Opening 25 accessible from the outside, this opening too can be closed by a pierceable cover.

Die Entleerung der Farbkartusche 13 wird entsprechend der Stellung 13c in Fig. 2 dergestalt durchgeführt, daß über eine Schubstange 26 der Kolben 23 in Richtung auf die Andocköffnung verschoben wird, wobei die Farbkartusche 13 an eine Farbleitung der Applikationseinrichtung 9 angedockt und mit einem Sprühorgan 27 verbunden ist.The ink cartridge 13 is emptied in accordance with position 13c in Fig. 2 performed such that the piston via a push rod 26 23 is moved in the direction of the docking opening, the color cartridge 13 docked to a color line of the application device 9 and is connected to a spray member 27.

Die Schubstange 26 ist Bestandteil einer Druckregeleinrichtung, über die eine definierte Entleerung der Farbkartusche 13 erfolgt. Nach der Entleerung wird die Schubstange 26 wieder vollständig zurückgezogen, wobei der Kolben 23 beim Rücktransport der Farbkartusche in seiner rechten Stellung verbleibt, wie dies z. B. aus der Stellung 13d ersichtlich ist.The push rod 26 is part of a pressure control device, via the a defined emptying of the ink cartridge 13 takes place. After emptying the push rod 26 is fully retracted, the Piston 23 in the right position when the ink cartridge is returned remains as z. B. can be seen from the position 13d.

Damit ist einerseits ein Ringleitungssystem in der Art einer Rohrpost für Farbkartuschen mit vorgegebenen Farbmengen und Farbtönen im Bereich der Beschichtungsanlage 30 geschaffen und andererseits ein Kreislaufsystem für die Kartuschenreinigung, Kartuschenfüllung und Anlieferung zwischen dem Lackhersteller und dem Betreiber der Beschichtungsanlage realisierbar.This is on the one hand a ring line system in the manner of a pneumatic tube for Color cartridges with specified color quantities and shades in the area the coating system 30 created and on the other hand a circulatory system for cartridge cleaning, cartridge filling and delivery between can be realized by the paint manufacturer and the operator of the coating system.

Claims (11)

  1. Coating plant for coating objects, particularly vehicle bodies, with paint material, with frequent colour changes,
    with a stocking facility in which paint materials of different colours are made ready,
    with a transport facility for the different paint materials from the stocking facility to at least one application facility (9), and
    with a control facility (2) linked with the stocking facility, the transport facility and the application facility (9) and also linked with control elements, and set up so that
    when a specific object (6) is present in the coating station, the individual paint material that is required and has been allocated is available at the application facility (9),
    wherein the stocking facility is a cartridge sorting and retrieval unit (5) in which a large number of cartridges (12, 13) of similar and dissimilar paint material are stored,
    the storage locations of the individual paint cartridges (12, 13) together with information on the colour of the paint material (19) contained in each cartridge and/or the quantity of paint material (19) contained in each cartridge can be acquired by the control unit (2) and a corresponding paint cartridge (13) can be dispensed at an outlet (14) of the cartridge sorting and retrieval unit (5) by a control signal containing coded colour and/or quantity information on the individual paint material (19) to be delivered at the application facility (19) for a coating, and
    the transport facility is a cartridge transport facility by means of which paint cartridges (13) dispensed at the outlet (14) of the cartridge sorting and retrieval unit (5) are transportable in the closed condition via a supply line (7) to a docking station (8) upstream of the application facility (9), paint cartridges (13) arriving at the docking station (8) being opened and the paint material (19) ejected, and the cartridge transport facility including a return line (10) by means of which wholly or partly emptied paint cartridges (13d, 18) are returnable from the docking station (8) to storage locations, predetermined by the control facility (2), in the cartridge sorting and retrieval unit (5),
    characterized in that
    the cartridge transport facility comprises tubes in the supply line (7) and in the return line (10) in which the paint cartridges (12, 13, 18) are transportable under pneumatic control in the manner of a pneumatic tube conveyor.
  2. Coating plant according to Claim 1, characterized in that the tubes (7, 10) have a circular cross-section and the paint cartridges (12, 13, 18) are correspondingly formed as cylinders with at least two sliding and guiding rings (22) on the circumferential surface of the cylinder.
  3. Coating plant according to Claim 1 or Claim 2, characterized in that the paint cartridges (12, 13, 18) contain a cylinder-piston arrangement, such that in the filled condition the individual piston (23) is located in a rearward "full" position and the opposite forward end of the cartridge which forms the docking end is closed (24),
    in that in the docking station (8) the forward end, or stopper (24), of the cartridge can be opened and in that the paint cartridge (13c) can be forcibly emptied by displacement of the piston (23) from outside the cartridge.
  4. Coating plant according to Claim 3, characterized in that the displacement of the piston (23) it is controlled as to time and/or pressure for a defined emptying of the paint cartridge (13c).
  5. Coating plant according to Claim 3 or Claim 4, characterized in that the forward end of the cartridge which forms the docking end is closed by a spring-loaded valve.
  6. Coating plant according to any one of Claims 3 to 5, characterized in that the supply line (7) and/or return line (10) connect to the docking station (8) in their longitudinal transport direction as a supply tube and a return tube,
    in that a transverse shift device (16) for shifting at least one paint cartridge present in the docking station (8) transversely with respect to the longitudinal transport direction is included, such that when the paint cartridge (13c) is in the transversely shifted position the back of the piston (23) is accessible to a pushrod (26) for emptying the cartridge, the cartridge (13c) being in communication with a spray device (27) by its opened, docking end.
  7. Coating plant according to Claim 6. characterized in that while one paint cartridge (13c) is in the transversely shifted emptying position, the next paint cartridge (13b) for the next coating operation is transportable into a holding position in the transverse shifting device.
  8. Coating plant according to any one of Claims 1 to 7. characterized in that the loading and unloading of the cartridge sorting and retrieval unit (5) are performed automatically at time intervals via a corresponding entry (15) and exit (17).
  9. Coating plant according to any one of Claims 1 to 7, characterized in that the cartridge sorting and retrieval unit (5) contains interchangeable magazines for a plurality of paint cartridges (12, 13, 18).
  10. Coating plant according to any one of Claims 1 to 9, characterized in that every paint cartridge (12, 13, 18) carries on its exterior at least one code, in particular a bar code. corresponding to its specific contents, this code being detectable by sensors of the control facility (2).
  11. Coating plant according to any one of Claims 1 to 10, characterized in that at least one shaking device, each such device catering for at least one paint cartridge (13) to be processed, is provided in the cartridge sorting and retrieval unit (5) and/or in the transport path and/or in the docking station (8), for thorough mixing of the paint material (19) contained.
EP97921746A 1996-04-26 1997-04-24 Plant for coating objects with frequently changing colours Expired - Lifetime EP0895485B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19616668A DE19616668A1 (en) 1996-04-26 1996-04-26 Coating system for coating objects with frequently changing color material
DE19616668 1996-04-26
PCT/EP1997/002102 WO1997040946A1 (en) 1996-04-26 1997-04-24 Plant for coating objects with frequently changing colours

Publications (2)

Publication Number Publication Date
EP0895485A1 EP0895485A1 (en) 1999-02-10
EP0895485B1 true EP0895485B1 (en) 2003-06-04

Family

ID=7792498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97921746A Expired - Lifetime EP0895485B1 (en) 1996-04-26 1997-04-24 Plant for coating objects with frequently changing colours

Country Status (4)

Country Link
EP (1) EP0895485B1 (en)
DE (2) DE19616668A1 (en)
ES (1) ES2195140T3 (en)
WO (1) WO1997040946A1 (en)

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US11857988B2 (en) 2019-12-11 2024-01-02 Geico S.P.A. Flexible painting plants

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CN113385436B (en) * 2020-02-13 2022-05-20 青岛大学附属医院 Test tube classification method

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Publication number Priority date Publication date Assignee Title
CN107803348A (en) * 2017-08-28 2018-03-16 常熟冠林汽车饰件有限公司 Automobile decoration piece automated warehousing and the transporting room job control of spraying
CN107803348B (en) * 2017-08-28 2021-01-12 常熟冠林汽车饰件有限公司 Transfer chamber work control method for automatic storage and spraying of automobile ornaments
US11857988B2 (en) 2019-12-11 2024-01-02 Geico S.P.A. Flexible painting plants

Also Published As

Publication number Publication date
ES2195140T3 (en) 2003-12-01
EP0895485A1 (en) 1999-02-10
DE19616668A1 (en) 1997-11-06
DE59710228D1 (en) 2003-07-10
WO1997040946A1 (en) 1997-11-06

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