EP2542349B1 - Dispositif d'atomisation et procédé de revêtment pour un ou plusieurs composants - Google Patents

Dispositif d'atomisation et procédé de revêtment pour un ou plusieurs composants Download PDF

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Publication number
EP2542349B1
EP2542349B1 EP11707593.7A EP11707593A EP2542349B1 EP 2542349 B1 EP2542349 B1 EP 2542349B1 EP 11707593 A EP11707593 A EP 11707593A EP 2542349 B1 EP2542349 B1 EP 2542349B1
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EP
European Patent Office
Prior art keywords
component
coating agent
valve
atomizer
hardener
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EP11707593.7A
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German (de)
English (en)
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EP2542349A1 (fr
EP2542349B2 (fr
Inventor
Manfred Michelfelder
Bernhard Seiz
Frank Herre
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Duerr Systems AG
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Duerr Systems AG
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    • 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
    • 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
    • B05B12/1418—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 for supplying several liquids or other fluent materials in selected proportions to a single spray outlet

Definitions

  • the invention relates to an atomizer, in particular a rotary atomizer, and a method for applying a one-component coating agent (for example a one-component paint) and a multi-component coating agent (for example a two-component paint) or two different more -Component coating agent (eg two different two-component paints) on automobile bodies, their attachments, truck cabins and / or their attachments.
  • a one-component coating agent for example a one-component paint
  • a multi-component coating agent for example a two-component paint
  • two different more -Component coating agent eg two different two-component paints
  • WO 2008/058650 A2 an atomizer, in which separate paint feeds for solvent and water paint are provided so that the atomizer can be operated alternately with one or the other paint material.
  • US 2009/277378 A1 discloses a rotary atomizer for different 2K paint systems with a stock paint valve assembly configured as a color changer for different selectable colors and a hardener valve assembly for selecting different selectable hardness types. The selected components are fed to a downstream mixer.
  • US 2005/074562 A1 US 5,727,735 A and DE 297 19 535 U1 disclose facilities located in an atomizer, respectively can supply one-component varnish or two-component varnish to the application element of the atomizer. Further disclosed DE 103 58 646 A1 a convenient design of a valve assembly for mixing a multi-component paint in an atomizer.
  • the nebulizer is provided to (optionally) apply a multi-component coating agent and a one-component coating agent from an application element. Furthermore, the atomizer may be provided to (optionally) apply two different multi-component coating agents from an application element.
  • the application of the multi-component coating agent and the one-component coating agent can be carried out in succession. Similarly, the application of two different multi-component coating agents can be done in succession.
  • the multi-component coating agent comprises at least one coating agent component (e.g., stock paint) and at least one hardener component.
  • An advantage of the atomizer according to the invention is in particular that the required application technique can be reduced, especially the required number of robots and the required number of zones. Furthermore, the atomizer according to the invention, owing to the component equality, leads to simplified maintenance and servicing and makes possible a so-called box concept in which e.g. a vehicle can be completely and fully automatically painted in a station, especially without changing the atomizer.
  • the multi-component coating agent is guided from a first device to the application element and applied by the application element, whereas preferably the one-component coating agent is guided by a second device to the application element and applied by the application element.
  • the atomizer may thus comprise a first device, which is provided to guide the multi-component coating agent to the application element. Furthermore, the atomizer can a second device, which is provided to guide the one-component coating agent to the application element.
  • the first device can be supplied by a first supply line (preferably comprising a color change arrangement, a metering device for the coating agent component and a metering device for the hardener component) with exchangeable coating agent and / or rinsing agent and / or pulse air and / or hardener
  • the second device can be supplied by a second supply line (preferably comprising a color change arrangement and a metering device for the one-component coating agent) with exchangeable coating agent and / or rinsing agent and / or pulse air.
  • the first supply line (together with its color changer and metering device (s)) and the second supply line (together with its color changer and metering device) are thus preferably arranged separately from one another.
  • the first supply line is connected or connectable to the first device, whereas the second supply line is connected to the second device or connectable.
  • the various multi-component coating agents are guided by two first devices arranged separately from one another to the application element and applied by the application element.
  • the atomizer comprises two first means provided to guide two different multi-component coating agents to the application element.
  • the atomizer is so instead of having a first device and a second device provided with two first devices.
  • the one first device and the other first device of separately arranged supply strands (each preferably a color change arrangement, a metering device for the coating agent component and a metering device for the hardener component comprise) with changeable coating agent and / or rinsing agent and / or pulse air and / or hardener supplied.
  • the two separate devices arranged separately from each other and / or their respective supply line can be provided substantially identical.
  • the nebulizer preferably comprises at least a first means provided to guide a multi-component coating agent to the application element.
  • the color changing arrangements may e.g. conventional color changers (e.g., valve blocks) or docking color changers, and the metering devices may e.g. be conventional metering pumps.
  • the one-component coating agent is preferably a one-component paint (eg, a basecoat).
  • the two-component coating composition is preferably a two-component paint (eg a two-component clearcoat and / or a two-component basecoat).
  • Multi-component coating compositions are coating compositions which comprise at least one coating agent component and at least one hardener component.
  • the multicomponent coating composition can have different basecoat systems (for example wet paints, such as solvent-based paints or water-based paints).
  • the multi-component coating agent may be a conventional multi-component coating agent, in particular, a conventional two-component paint, which is commonly used for coating automobile bodies, attachments and / or truck cabins.
  • atomizer used in the context of the invention is to be understood generally and includes, for example, rotary atomizers in the form of bell-type atomizers or disk atomizers and also ultrasonic atomizers, air atomizers, airless devices or airmix devices. Accordingly, the application element in the context of the invention may be, for example, a bell cup, a rotation disk or simply a nozzle.
  • the atomizer may comprise a third device for short-rinsing the application element, in particular a nozzle, with rinsing agent and / or for acting on the application element, in particular the nozzle, with air (or pulse air).
  • the first device, the second device and / or the third device may be arranged separately from one another.
  • the first device, the second device and / or the third device are arranged in parallel.
  • the two first devices and the third device may be arranged separately from each other.
  • the two first means are arranged parallel to each other and parallel to the third means.
  • the supply strands supplying the devices and / or the color changers and metering devices can be arranged separately from one another, in particular in parallel.
  • the atomizer in particular at least one first device, to be provided such that at least the parts which come into contact with the coating agent component and the hardener component can be rinsed and / or impinged with pulsed air.
  • the rinsing agent and / or the pulsed air are preferably ejected from the application element into a collecting device together with the coating agent / hardener residues. Inadvertent curing of the coating agent component and the hardener component in the nebulizer would damage and possibly even destroy the nebulizer.
  • the atomizer (or at least a first device) comprises a supply line for the coating agent component and a supply line for the curing agent component, which are preferably arranged separately and in particular in parallel.
  • the atomizer (or at least a first device) may comprise a mixing element which is supplied with the coating agent component and the hardener component, whereby the coating agent component and the hardener component are mixed.
  • the atomizer (or at least a first device) may have a manifold which is provided to receive the coating agent component and the hardener component and which preferably exits from the mixing element and leads to the application element.
  • the atomizer (or at least a first device) further comprises a first main needle for the multi-component coating agent.
  • the first main needle (or a first Main needle valve) may be provided on or in the manifold, in particular between the mixing element and the application element, and may be supplied in particular by a first color change arrangement (eg with multi-component coating agent, rinsing agent and pulse air).
  • a first color change arrangement eg with multi-component coating agent, rinsing agent and pulse air.
  • a mixing element suitable for the invention could preferably be made by a generative method (for example, rapid prototyping, e.g., laser sintering, laser melting, etc.).
  • the supply line for the coating agent component may be connected to a return line for the coating agent component, which preferably has a return valve. Further, the coating agent component supply line may include a stopper valve for the coating agent component.
  • the feed line for the coating agent component may be connected to a purge line, preferably having a purge valve, which is provided to at least partially purge the supply line for the coating agent component to purge the mixing element and / or to purge the manifold.
  • the supply line for the coating agent component may be connected to a pulse air line preferably having a pulse air valve in order to at least partially apply pulse air to the supply line for the coating agent component in order to apply pulse air to the mixing element and / or around the manifold with pulse air to act on.
  • the detergent and the pulse air can be ejected from the application element into a collecting device together with coating agent / hardener residues.
  • the supply line for the hardener component can open upstream of the mixing element in the supply line for the coating agent component. But it is also possible that the supply line for the curing agent component and the supply line for the coating agent component open directly into the mixing element.
  • the supply line for the hardener component may have a first shut-off valve for the hardener component and / or a second shut-off valve for the hardener component.
  • the supply line for the hardener component can be connected to a purge line, which preferably has a purge valve, in order to at least partially purge the supply line for the hardener component in order to purge the mixing element and / or to purge the collecting line.
  • the purge line and / or pulse air line connected to the supply line for the coating agent component can open between the shut-off valve for the coating agent component and the mixing element in the supply line for the coating agent component.
  • the purge line connected to the supply line for the hardener component can open into the supply line for the hardener component between the first shut-off valve for the hardener component and the second shut-off valve for the hardener component.
  • the return line for the coating agent component upstream of the shut-off valve for the coating agent component is connected to the supply line for the coating agent component.
  • the mixing element downstream behind the shut-off valve for the Coating component and / or the purge valve (the connected to the supply line for the coating agent component purge line) and / or the pulse air valve may be provided.
  • the first shut-off valve for the hardener component is preferably provided upstream of the second shut-off valve for the hardener component, more preferably, the mixing element may be provided downstream of the second shut-off valve for the hardener component.
  • the first main needle can be provided downstream of the mixing element and / or lead the collecting line from the mixing element via the first main needle to the application element.
  • the nebulizer (or the second device) may comprise a supply line for the one-component coating agent and / or a second main needle (or a second main needle valve) for the one-component coating agent, which preferably on or in the supply line for the One-component coating agent is arranged, and in particular by a second color change arrangement (eg with one-component coating agent, detergent and pulse air) can be supplied.
  • a second color change arrangement eg with one-component coating agent, detergent and pulse air
  • the multi-component coating agent is guided from the first supply line and / or the first device via the first main needle or the first main needle valve to the application element, wherein the one-component coating agent from the second supply line and / or the second device can be guided via the second main needle or the second main needle valve to the application element.
  • the supply line for the one-component coating agent is connected to a preferably a return valve having the return line for the one-component coating agent.
  • the return line upstream of the second main needle is connected to the supply line for the one-component coating agent.
  • the return line for the coating agent component and / or the return line for the one-component coating agent can be connected directly to one or more collecting devices, which considerably simplifies the disposal.
  • the recycle line for the coating agent component and / or the recycle line for the one-component coating agent allows for permanent circulation of the coating agent component and / or the one-component coating agent.
  • Another important point for the use of return lines for the various areas is the time savings through at least partially parallel processes, such as e.g. rinsing between color changer and atomizer (depending on the type of charge and varnish).
  • the atomizer (or the third device) may have a supply line for detergent and / or pulse air.
  • the supply line for rinsing agent and / or pulse air preferably downstream of the first main needle and / or the second main needle lead substantially directly to the application element.
  • the third device is provided for short rinsing of the application element.
  • the supply line for detergent and / or air, preferably pulse air of the third device may be supplied by a particular a flush valve having supply line for detergent and / or a particular air valve having supply line for air, preferably pulse air to be supplied.
  • the third device in particular its supply line for rinsing agent and / or air, preferably pulse air, comprises a valve, preferably a check valve, which is in particular provided to prevent a backflow, e.g. one-component coating, multi-component coating, rinsing and / or pulsed air.
  • This valve may preferably be arranged downstream of the purge valve or the air valve. Furthermore, this valve may e.g. downstream of the first main needle or the first main needle valve and / or the second main needle and the second main needle valve are arranged.
  • a backflow of a fluid eg one-component coating agent, multi-component coating agent, rinsing agent and / or pulsed air
  • a fluid eg one-component coating agent, multi-component coating agent, rinsing agent and / or pulsed air
  • a fluid preferably the first main needle or the first main needle valve and / or the second main needle or the second main needle valve has passed.
  • the first main needle may be provided on a first main needle valve and the second main needle may be provided on a second main needle valve.
  • the first main needle and the second main needle are provided on a common main needle valve.
  • the first main needle valve and the second main needle valve may be connected to the application element.
  • the common main needle valve is connected to the application element.
  • the first main needle is assigned to the first device and is thus subjected to multi-component coating agent, while the second main needle is assigned to the second device and is thus subjected to one-component coating agent.
  • the atomizer further preferably has means for monitoring and / or adjusting the first main needle valve and the second main needle valve or means for monitoring and / or adjusting the common main needle valve.
  • At least one first device can be coupled to a first color change arrangement in order to supply the supply line for the coating agent component with a replaceable coating agent, rinsing agent and / or pulse air.
  • at least one first device can be coupled to a first metering device, preferably a metering pump, which is provided to meter the coating agent component and which downstream, for example, behind the first color change arrangement and / or may be provided upstream of the recirculation valve for the coating agent component and / or the shut-off valve for the coating agent component.
  • At least one first device (or a supply line for the hardener component) can be coupled to a second metering device, preferably a metering pump, which is provided to meter the hardener component and which may be provided upstream of the second shut-off valve, for example ,
  • a second metering device preferably a metering pump, which is provided to meter the hardener component and which may be provided upstream of the second shut-off valve, for example
  • at least one first device is provided, which leads multi-component coating agent to a first main needle valve.
  • the first color change arrangement and the first and second metering devices may be associated with a first supply line.
  • the second device (or the supply line for the one-component coating agent) can be coupled to a second color change arrangement in order to supply the supply line for the one-component coating agent with a replaceable coating agent and / or rinsing agent and / or pulse air.
  • the second device (or the supply line for the one-component coating agent) is connectable to a third metering device, preferably a metering pump, which is provided to meter the one-component coating agent and downstream, for example downstream of the second color change arrangement / or upstream of the second main needle and / or the second recirculation valve may be provided.
  • the second means is provided to guide one-component coating means to the second main needle valve.
  • the second color change arrangement and the third metering pump can thus be assigned to a second supply line, which is to be provided separately from the first supply line.
  • the respective color change assemblies and the respective metering devices may be provided in, on, or removed from the atomizer.
  • an application device such as a painting machine or a painting robot with a nebulizer as described above.
  • the invention comprises not only the atomizer described above as a single component, but also a complete painting machine with such an atomizer, wherein the painting machine, for example, as a multi-axis painting robot, Side machine or can be designed as a roofing machine.
  • the invention is not limited to painting robots, roofing machines or side machines in terms of machine type, but includes other types of machines well known in the art.
  • the painting machine can preferably be designed as a multi-axis painting robot and have a first robot arm ("arm 1") and a second robot arm ("arm 2"), wherein the second robot arm is movably attached to the first robot arm and preferably directly to a robot hand axis with an application device (eg a rotary atomizer) carries.
  • an application device eg a rotary atomizer
  • the above-mentioned metering pumps of the respective supply strands may for example be attached to or in the first robot arm ("arm 1").
  • the possibility that the individual metering pumps are attached to or in the second robot arm (“arm 2").
  • the painting robot for example, be executed as in the WO 2009/115201 described painting robot, so that the content of the WO 2009/115201 is hereby incorporated in full in the disclosure of the present description.
  • one of the metering pumps is attached to or in the first robot arm, while another metering pump is attached to the second robot arm.
  • the painting machine can have a travel axis with a carriage which can be moved on a rail, wherein the carriage carries, for example, a painting robot.
  • the metering pumps can hereby be wholly or partly arranged on the carriage.
  • the first metering device and / or the second metering device and / or the third metering device is completely or partially integrated in the atomizer.
  • the invention is not limited to the examples described above in terms of the spatial arrangement of the metering pumps, but also realized in other ways.
  • the invention comprises a painting booth with a painting machine according to the invention and a cabin wall, which spatially limits the painting booth.
  • the above-mentioned metering pumps can in this case be arranged wholly or partly on the cabin wall and either inside the paint booth or outside the spray booth.
  • a method in particular for coating for example, automobile bodies, attachments and / or truck cabs, which is preferably carried out with a sprayer as described above or an application device as described above.
  • the method comprises the following steps: (optionally) applying a multi-component coating agent and a one-component coating agent from an application element; or (optionally) applying two different multi-component coating agents from an application element.
  • the application of the multi-component coating agent and the one-component coating agent can be carried out in succession. Similarly, the application of two different multi-component coating agents can be done in succession.
  • the multi-component coating agent is guided from a first device to a first main needle and / or to the application element and applied by the application element, wherein the one-component coating agent from a second device to a second main needle and / or to the application element guided and can be applied by the application element.
  • the two different multi-component coating agents are preferably guided by two first devices arranged separately from one another to two first main needles and / or to the application element, and of the Applied application element.
  • the first device in particular its supply line for the coating agent component can be supplied with changeable coating agent, rinsing agent and / or pulse air from a first color changing arrangement
  • the second device in particular its supply line for the one-component coating agent with changeable coating agent, rinsing agent and / or pulse air can be supplied by a second color changing arrangement
  • the first color changing arrangement is the first supply line (which may further comprise, for example, a metering device for the coating agent component and / or a metering device for the hardener component) assignable
  • the second color changing arrangement the second supply line is assignable.
  • At least one first device may perform at least one of the following steps: supplying a coating agent component to a mixing element via a supply line for the coating agent component; Supplying a hardener component via a supply line for the hardener component to the mixing element; Mixing the coating agent component and the hardener component in the mixing element; Supplying the preferably mixed multi-component coating agent to the application element, in particular from a first supply line via a first main needle.
  • a second device may lead the one-component coating agent, in particular by means of the supply line for the one-component coating agent, preferably via a second main needle valve to the application element.
  • the method may comprise at least one of the following steps (preferably carried out by at least one first device): rinsing a section of the coating agent component supply line by means of a return line for the coating agent component, the upstream section upstream of a stop valve for the coating agent component. Component is arranged; Purging and / or pulse air impinging the mixing element, the first main needle valve and / or a portion of the supply line for the coating agent component, wherein the portion downstream of the shut-off valve for the coating agent component is arranged; Rinsing a portion of the supply line for the hardener component, wherein the portion is arranged downstream of a first shut-off valve for the hardener component and in the supply line for the coating agent component or the mixing element opens.
  • the method may include at least one of the steps of: preferably, by means of the second means, purging a portion of the one-component coating agent supply line via a one-component coating agent return line, the portion upstream of the second main needle valve; Short rinsing and / or Puls Kunststoffbeauf pass the application element, in particular a nozzle of the application element, by means of a third device; Ejecting the rinsing agent and / or the pulse air from the application element and / or the return lines into a collecting device, wherein the rinsing agent and / or the pulse air, which are guided via the return lines, are not ejected via the application element.
  • the rinsing agent may comprise cleaning and / or solvents (eg thinner). Furthermore, the rinsing agent may comprise a blocking agent which at least delays, preferably substantially prevents, curing of the multicomponent coating agent. Suitable blocking agents are all monofunctional molecules which can react with at least one component of the multicomponent coating agent. Preferably, the blocking agent comprises amines, alcohols, preferably lower alcohols, ethanol, propanol and / or its isomers, and / or butanol and / or its isomers. The blocking agent may also comprise a reactive substance, such as reaction retarders, preferably organic acid chlorides.
  • the hardener component of the multi-component coating agent may be, for example, isocyanate.
  • FIG. 1 showing a schematic representation of an application device, in particular an atomizer according to the invention.
  • the figure shows an application device and in particular an atomizer for serial coating of automobile bodies, attachments and / or truck cabs.
  • the nebulizer shown in the figure is provided to selectively apply a one-component coating agent and a multi-component coating agent.
  • the atomizer is a rotary atomizer having as an application element AE a bell cup to form the multi-component coating agent (comprising a coating agent component (master paint) and a hardener component) and the one-component coating agent on automobile bodies, Apply attachments and truck cabins.
  • the multi-component coating agent is a two-component paint (eg 2-component clearcoat or 2-component basecoat), wherein the one-component coating agent is a one-component paint (eg basecoat) ,
  • Reference numeral 1 denotes a first device which is provided to lead the multi-component coating agent mixed to the application element AE.
  • Reference numeral 2 denotes a second device which is provided to guide the one-component coating agent to the application element AE.
  • Reference numeral 3 denotes a third device which is provided for short purging and / or Puls Kunststoffbeetz fie the application element AE.
  • the first device 1, the second device 2 and the third device 3 are provided separately from each other, in particular arranged in parallel and each lead to the application element AE.
  • the first device 1 has a coating agent component supply line 10 and a hardener component supply line 20 arranged in parallel, and a mixing element 11 for mixing the coating agent component and the curing agent component. Further, the first device 1 has a manifold 30 provided to receive the coating agent component and the hardener component leaving the mixing element 11 and communicating with the application element via a first main needle valve HV1 having a first main needle HN1 AE leads.
  • the multi-component coating agent is provided by means of a first supply line VS1 comprising a first color changing arrangement FW1 (color changer), a first metering device DP1 for metering the coating agent component, a hardener reservoir (not shown) and a second metering device DP2 for metering the Hardener component has. Furthermore, a rinsing agent and pulse air can be provided via the first color changer FW1.
  • the first color changer FW1 and the first metering device DP1 are assigned to the supply line 10 for the coating agent component or can be coupled thereto, wherein the hardener reservoir and the second metering device DP2 of the supply line 20 are assigned to the curing agent component or can be coupled to this.
  • the one-component coating agent is provided by means of a second supply strand VS2, which has a second color change arrangement FW2 (color changer) and a third metering device DP3 for metering the one-component coating agent. Furthermore, a rinsing agent and pulse air can be provided via the second color changer FW2.
  • the second color changer FW2 and the third metering device DP3 are assigned to a feed line 40 for the one-component coating agent or can be coupled to it.
  • the first supply line VS1 is connected or connectable to the first device 1
  • the second supply line VS2 is connected or connectable to the second device 2.
  • the coating agent component supply line 10 is connected to a recirculation line RL1 for the coating agent component having a recirculation valve RV1, and includes a shut-off valve AV1. Furthermore, the supply line 10 for the coating agent component is connected to a purge line SL1 having a purge valve SV1. The purge line SL1 is arranged to at least partially purge the supply line 10 for the coating agent component downstream of the shut-off valve AV1, and to purge the mixing element 11 and the collecting line 30.
  • the supply line 10 for the coating agent component is connected to a pulse air valve PL1 having a pulse air valve PV1, which is provided to supply the supply line 10 for the coating agent component at least in sections downstream of the shut-off valve To apply AV1 with pulse air, and to apply the mixing element 11 and the manifold 30 with pulse air.
  • the supply line 20 for the hardener component opens upstream shortly before the mixing element 11 in the supply line 10 for the coating agent component.
  • the hardener component supply line 20 has a first shut-off valve AV2 for the hardener component and a second shut-off valve AV3 for the hardener component.
  • the supply line 20 for the hardener component is connected to a purge line SL2 having a purge valve SV2, which is provided to at least partially purge the supply line 20 for the hardener component and to purge the mixing element 11 and the manifold 30.
  • the flushing agent which is supplied via the first flushing line SL1 and the second flushing line SL2, as well as the pulse air supplied via the pulse-air line PL1, are ejected via the application element AE into a catching device (not shown).
  • the coating agent component return line RL1 is connected upstream of the shut-off valve AV1 to the coating agent component supply line 10.
  • the mixing element 11 is provided downstream of the shut-off valve AV1 for the coating agent component, behind the flush valve SV1 arranged in the first purge line SL and behind the pulse air valve PV1 arranged in the pulse air line PL1.
  • the first stop valve AV2 for the hardener component is provided upstream of the second stop valve AV3 for the hardener component, and the mixing element 11 is again provided downstream of the second stop valve AV3 for the hardener component.
  • the first main needle valve HV ⁇ b> 1 having the first main needle HN ⁇ b> 1 is provided downstream of the mixing element 11.
  • the collecting line 30 carries mixed multi-component coating agent via the first main needle HN1 having first main needle valve HV1 to the application element AE.
  • the second device 2 is provided with the supply line 40 for the one-component coating agent and a second main needle valve HV2 having a second main needle HN2.
  • the one-component coating agent supply line 40 is connected to a one-component coating agent return line RL2 having a return valve RV2.
  • the supply line 40 for the one-component coating agent leads via the second main needle valve HV2 to the application element AE.
  • the third device 3 has a supply line 50 for detergent and / or pulse air, which leads to the application element AE.
  • the third device 3 is provided for short rinsing of the application element AE, wherein the rinsing agent and the pulse air are ejected from the application element AE in a collecting device.
  • the supply line 50 is supplied with detergent from a supply line 48, which has a valve KS, and supplied with air from a supply line 49, which has a valve KSL.
  • the supply line 50 further comprises a valve RS, which is designed as a check valve.
  • the valve RS is located downstream of the valves KS and KSL and downstream of the first main needle valve HV1 and the second main needle valve HV2.
  • the valve RS is provided to prevent backflow of the one-component coating agent, the multi-component coating agent, the rinsing agent and / or the pulse air from the first device 1 and the second device 2.
  • the atomizer shown in the figure is provided to apply a multi-component coating agent and a one-component coating agent from an application element AE.
  • the atomizer according to the invention can also be designed to apply two different multi-component coating agents from an application element.
  • the second device 2 shown in the figure can be replaced by a further first device 1.
  • this atomizer comprises two functionally substantially identical, separate from each other, preferably arranged in parallel first means, each of which can lead a multi-component coating agent to the application element.
  • the one first device and the other first device may be separated from first supply lines as described above (FIGS in each case preferably a first color change arrangement, a first metering device for the coating agent component and a second metering device for the hardener component comprise) can be supplied with exchangeable coating agent and / or rinsing agent and / or pulse air and / or hardener.
  • the one multi-component coating agent leads from a first supply line and / or a first device, in particular via a first main needle to the application element, wherein the other multi-component coating agent from another supply line and / or another first device, in particular via another first main needle leads to the application element.
  • the supply strands and the devices may be arranged separately, but essentially be performed functionally and / or structurally identical.
  • the supply lines and the devices may correspond to the first supply line described above and / or the first device described above.
  • the nebulizer provided to apply two different multi-component coating agents from an application element is substantially substantially identical to the above-described nebulizer intended to provide a multi-component coating agent and a one-component coating agent. Apply coating agent from an application element, so that reference is made to avoid repetition of the above description.

Landscapes

  • Nozzles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Spray Control Apparatus (AREA)

Claims (17)

  1. Pulvérisateur destiné au revêtement de carrosseries automobiles, de panneaux et/ou de cabines de poids lourds,
    a) le pulvérisateur comprenant un premier dispositif (1) et un deuxième dispositif (2) pour appliquer, au choix, un agent de revêtement à plusieurs composants et un agent de revêtement à un seul composant à partir d'un élément d'application (AE),
    l'agent de revêtement à plusieurs composants étant amené à l'élément d'application (AE) par le premier dispositif (1) du pulvérisateur et l'agent de revêtement à un seul composant étant amené à l'élément d'application (AE) par le deuxième dispositif (2) du pulvérisateur et le pulvérisateur comportant un élément de mélange (11) qui est prévu pour être alimenté avec un composant d'agent de revêtement et un composant de durcisseur, ce par quoi le composant d'agent de revêtement et le composant de durcisseur sont mélangés ; ou
    b) le pulvérisateur comprenant deux dispositifs (1) agencés séparément l'un de l'autre et/ou parallèlement pour appliquer, au choix, deux agents de revêtement à plusieurs composants différents à partir d'un élément d'application (AE), les deux agents de revêtement à plusieurs composants différents étant amenés à l'élément d'application (AE) par les deux dispositifs (1, 1) agencés séparément l'un de l'autre et/ou parallèlement l'un à l'autre,
    le pulvérisateur comportant deux éléments de mélange (11) qui sont chacun prévus pour être alimentés avec un composant d'agent de revêtement et un composant de durcisseur, ce par quoi le composant d'agent de revêtement et le composant d'agent durcisseur sont mélangés.
  2. Pulvérisateur selon la revendication 1, dans lequel il est prévu un troisième dispositif (3) pour amener un agent de rinçage et/ou de l'air à l'élément d'application (AE).
  3. Pulvérisateur selon l'une des revendications 1 ou 2, dans lequel le premier dispositif (1), le deuxième dispositif (2) et le troisième dispositif (3) sont agencés séparément l'un de l'autre.
  4. Pulvérisateur selon l'une des revendications 1 à 3, dans lequel au moins un premier dispositif (1) est préparé avec :
    a) une conduite d'amenée (10) pour le composant d'agent de revêtement et une conduite d'amenée (20) pour le composant de durcisseur ;
    b) une conduite collectrice (30) qui est prévue pour recevoir le composant d'agent de revêtement et le composant de durcisseur et qui part de l'élément de mélange (11) ; et
    c) une première aiguille principale (HN1) qui peut être alimentée par un premier agencement de changement de couleur (FW1).
  5. Pulvérisateur selon la revendication 4, dans lequel la conduite d'amenée (10) pour le composant d'agent de revêtement :
    a) est reliée avec une conduite de retour (RL1), qui présente de préférence une vanne de recyclage (RV1), pour le composant d'agent de revêtement ;
    b) comprend une valve d'arrêt (AV1) pour le composant d'agent de revêtement ; et
    c) est reliée avec une conduite de rinçage (SL1), qui présente de préférence une valve de rinçage (SV1), et/ou avec une conduite d'air pulsé (PL1), qui présente de préférence une valve d'air pulsé (PL1), lesquelles sont prévues pour amener un agent de rinçage ou de l'air pulsé, au moins par tronçons, à la conduite d'amenée (10) pour le composant d'agent de revêtement, à l'élément de mélange (11) et/ou à la conduite collectrice (30).
  6. Pulvérisateur selon l'une des revendications 4 ou 5, dans lequel la conduite d'amenée (20) pour le composant de durcisseur :
    a) débouche en amont de l'élément de mélange (11) dans la conduite d'amenée (10) pour le composant d'agent de revêtement ou la conduite d'amenée (20) pour le composant de durcisseur et la conduite d'amenée (10) pour le composant d'agent de revêtement débouchent dans l'élément de mélange (11) ; et/ ou
    b) présente une ou deux valves d'arrêt (AV2, AV3) pour le composant de durcisseur ;
    c) est reliée avec une conduite de rinçage (SL2) présentant une valve de rinçage (SV2) qui est prévue pour rincer, au moins par tronçons, la conduite d'amenée (20) pour le composant de durcisseur, l'élément de mélange (11) et/ou la conduite collectrice (30).
  7. Pulvérisateur selon l'une des revendications 4 à 6, dans lequel :
    a) la conduite de rinçage (SL1) et/ou la conduite d'air pulsé (PL1) reliées avec la conduite d'amenée (10) pour le composant d'agent de revêtement débouchent entre la valve d'arrêt (AV1) pour le composant d'agent de revêtement et l'élément de mélange (11) dans la conduite d'amenée (10) pour le composant d'agent de revêtement ; et
    b) la conduite de rinçage (SL2) reliée avec la conduite d'amenée pour le composant de durcisseur débouche entre la première valve d'arrêt (AV2) pour le composant de durcisseur et la deuxième valve d'arrêt (AV3) pour le composant de durcisseur dans la conduite d'amenée (20) pour le composant de durcisseur.
  8. Pulvérisateur selon l'une des revendications 4 à 7, dans lequel :
    a) la conduite de retour (RL1) pour le composant d'agent de revêtement est reliée avec la conduite d'amenée (10) pour le composant d'agent de revêtement en amont de la valve d'arrêt (AV1) pour le composant d'agent de revêtement ;
    b) l'élément de mélange (11) est prévu en aval de la valve d'arrêt (AV1) pour le composant d'agent de revêtement et/ou de la valve de rinçage (SV1) et de la valve d'air pulsé (PV1) ;
    c) la première valve d'arrêt (AV2) pour le composant de durcisseur est prévue en amont de la deuxième valve d'arrêt (AV3) pour le composant de durcisseur ;
    d) l'élément de mélange (11) est prévu en aval de la deuxième valve d'arrêt (AV3) pour le composant de durcisseur ;
    e) la première aiguille principale (HN1) est prévue en aval de l'élément de mélange (11) ; et
    f) la conduite collectrice (30) mène de l'élément de mélange (11) à l'élément d'application (AE) en passant par la première aiguille principale (HN1).
  9. Pulvérisateur selon l'une des revendications 1 à 8, dans lequel le deuxième dispositif (2) est préparé avec :
    a) une conduite d'amenée (40) pour l'agent de revêtement à un seul composant ;
    b) une deuxième aiguille principale (HN2) qui peut être alimentée par un deuxième agencement de changement de couleur (FW2).
  10. Pulvérisateur selon la revendication 9, dans lequel :
    la conduite d'amenée (40) pour l'agent de revêtement à un seul composant est reliée avec une conduite de retour (RL2), qui présente de préférence une vanne de recyclage (RV2), pour l'agent de revêtement à un seul composant.
  11. Pulvérisateur selon l'une des revendications 2 à 10, dans lequel le troisième dispositif (3) présente une conduite d'amenée (50) pour un agent de rinçage et/ou de l'air pulsé, laquelle mène à l'élément d'application (AE) en aval de la première aiguille principale (HN1) et/ou de la deuxième aiguille principale (HN2).
  12. Pulvérisateur selon l'une des revendications 1 à 11, dans lequel :
    a) il est prévu une première valve d'aiguille principale (HV1), comprenant la première aiguille principale (HN1), et une deuxième valve d'aiguille principale (HV2), comprenant la deuxième aiguille principale (HN2) ; ou
    b) il est prévu une valve commune d'aiguille principale comprenant la première aiguille principale (HN1) et la deuxième aiguille principale (HN2) ; et
    c) la valve d'aiguille principale respective est reliée à l'élément d'application (AE) ;
    d) un dispositif étant de préférence prévu pour surveiller et/ ou régler la valve d'aiguille principale respective.
  13. Pulvérisateur selon l'une des revendications 2 à 12, dans lequel il est prévu au moins un premier dispositif (1) :
    a) destiné à être couplé à un premier agencement de changement de couleur (FW1) qui peut alimenter la conduite d'amenée (10) pour le composant d'agent de revêtement avec un agent de revêtement remplaçable et un agent de rinçage et/ ou de l'air pulsé ;
    b) destiné à être couplé à un premier dispositif de dosage (DP1) qui peut doser le composant d'agent de revêtement ;
    c) destiné à être couplé à un deuxième dispositif de dosage (DP2) qui peut doser le composant de durcisseur ;
    d) destiné à amener des agents de revêtement à plusieurs composants à la première valve d'aiguille principale (HV1).
  14. Pulvérisateur selon l'une des revendications 2 à 13, dans lequel le deuxième dispositif (2) est prévu :
    a) pour être couplé à un deuxième agencement de changement de couleur (FW2) qui peut alimenter la conduite d'amenée (40) pour l'agent de revêtement à un seul composant avec un agent de revêtement remplaçable et un agent de rinçage et/ou de l'air pulsé ;
    b) pour être couplé à un troisième dispositif de dosage (DP3) qui peut doser l'agent de revêtement à un seul composant ;
    c) pour amener des agents de revêtement à un seul composant à la deuxième valve d'aiguille principale (HV2).
  15. Dispositif d'application, comprenant une machine à vernir ou un robot de peinture, ayant un pulvérisateur selon l'une des revendications 1 à 14.
  16. Procédé pour le revêtement de carrosseries automobiles, de panneaux et/ou de cabines de poids lourds avec un pulvérisateur selon l'une des revendications 1 à 14, comprenant les étapes consistant à :
    a) appliquer, au choix, un agent de revêtement à plusieurs composants et un agent de revêtement à un seul composant à partir d'un élément d'application (AE), l'agent de revêtement à plusieurs composants étant amené à l'élément d'application (AE) par le premier dispositif (1) du pulvérisateur et l'agent de revêtement à un seul composant étant amené à l'élément d'application (AE) par le deuxième dispositif (2) du pulvérisateur et un élément de mélange (11) du pulvérisateur étant alimenté avec un composant d'agent de revêtement et un composant de durcisseur pour mélanger le composant d'agent de revêtement et le composant de durcisseur ; ou
    b) appliquer, au choix, les deux agents de revêtement à plusieurs composants différents à partir de l'élément d'application (AE),
    les deux agents de revêtement à plusieurs composants différents étant amenés à l'élément d'application (AE) par les deux dispositifs (1, 1) agencés séparément l'un de l'autre et/ou parallèlement l'un à l'autre du pulvérisateur,
    et deux éléments de mélange (11) du pulvérisateur étant chacun alimentés avec un composant d'agent de revêtement et un composant de durcisseur pour mélanger le composant d'agent de revêtement et le composant d'agent durcisseur.
  17. Procédé selon la revendication 16, comprenant au moins l'une des étapes suivantes :
    a) rincer un tronçon de la conduite d'amenée (10) pour le composant d'agent de revêtement au moyen d'une conduite de retour (RL1) pour le composant d'agent de revêtement, le tronçon étant agencé en amont d'une valve d'arrêt (AV1) pour le composant d'agent de revêtement ;
    b) rincer et/ou alimenter en air pulsé l'élément de mélange (11), la première valve d'aiguille principale (HV1) et un tronçon de la conduite d'amenée (10) pour le composant d'agent de revêtement, le tronçon étant agencé en aval de la valve d'arrêt (AV1) pour le composant d'agent de revêtement ;
    c) rincer un tronçon de la conduite d'amenée (20) pour le composant de durcisseur, le tronçon étant agencé en aval d'une première valve d'arrêt (AV2) pour le composant de durcisseur et débouchant dans la conduite d'amenée (10) pour le composant d'agent de revêtement ;
    d) rincer un tronçon de la conduite d'amenée (40) pour l'agent de revêtement à un seul composant au moyen d'une conduite de retour (RL2) pour l'agent de revêtement à un seul composant ;
    e) rincer brièvement et/ou alimenter en air pulsé l'élément d'application (AE) au moyen d'un troisième dispositif (3) ;
    f) expulser l'agent de rinçage et/ou l'air pulsé hors de l'élément d'application (AE) et des conduites de retour dans un dispositif de collecte.
EP11707593.7A 2010-03-03 2011-03-02 Dispositif d'atomisation et procédé de revêtment pour un ou plusieurs composants Active EP2542349B2 (fr)

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DE102010010053.6A DE102010010053B4 (de) 2010-03-03 2010-03-03 Zerstäuber und Verfahren zum Applizieren von Ein- und Mehr-Komponenten-Beschichtungsmitteln
PCT/EP2011/001039 WO2011107275A1 (fr) 2010-03-03 2011-03-02 Pulvérisateur et procédé d'application d'agents de revêtement contenant un ou plusieurs composants

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CN102869454A (zh) 2013-01-09
DE102010010053B4 (de) 2019-05-16
CN102869454B (zh) 2017-06-16
RU2567951C2 (ru) 2015-11-10
EP2542349A1 (fr) 2013-01-09
EP2542349B2 (fr) 2021-07-28
DE102010010053A1 (de) 2011-09-08
MX339612B (es) 2016-06-01
MX2012010018A (es) 2012-11-29
US9844793B2 (en) 2017-12-19
JP2013521110A (ja) 2013-06-10
JP5832454B2 (ja) 2015-12-16
RU2012141991A (ru) 2014-04-10
US20130108796A1 (en) 2013-05-02
WO2011107275A1 (fr) 2011-09-09

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