EP3167957B1 - Installation de mise en peinture modulaire et procédé de mise en peinture de composants en plastique - Google Patents

Installation de mise en peinture modulaire et procédé de mise en peinture de composants en plastique Download PDF

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Publication number
EP3167957B1
EP3167957B1 EP16196954.8A EP16196954A EP3167957B1 EP 3167957 B1 EP3167957 B1 EP 3167957B1 EP 16196954 A EP16196954 A EP 16196954A EP 3167957 B1 EP3167957 B1 EP 3167957B1
Authority
EP
European Patent Office
Prior art keywords
coating
pigments
mixed
mixer
solvent
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.)
Active
Application number
EP16196954.8A
Other languages
German (de)
English (en)
Other versions
EP3167957A1 (fr
Inventor
Johannes GÖTZELMANN
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.)
Magna Exteriors GmbH
Original Assignee
Magna Exteriors GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Magna Exteriors GmbH filed Critical Magna Exteriors GmbH
Publication of EP3167957A1 publication Critical patent/EP3167957A1/fr
Application granted granted Critical
Publication of EP3167957B1 publication Critical patent/EP3167957B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/14—Arrangements for controlling delivery; Arrangements for controlling the spray area for supplying a selected one of a plurality of liquids or other fluent materials or several in selected proportions to a spray apparatus, e.g. to a single spray outlet
    • B05B12/1418—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/49—Mixing systems, i.e. flow charts or diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/48—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids
    • B01F23/483—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids using water for diluting a liquid ingredient, obtaining a predetermined concentration or making an aqueous solution of a concentrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/24—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2497—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device several liquids from different sources being supplied to the discharge device

Definitions

  • the invention relates to a modular painting unit for painting plastic components. Furthermore, the invention relates to a method for painting plastic components.
  • a flawless paintwork is an important aspect when buying a vehicle.
  • the paintwork should be flawless and has to do a lot, from corrosion protection of the body to protection against mechanical and harmful weather influences.
  • series painting various technologies are used which, when combined, make a car paintwork perfect and ensure that the body is optimally protected, looks shiny and helps maintain the vehicle's value over the long term.
  • a serial car paintwork today consists of four layers, which are applied in several work steps using different processes.
  • the degreased and cleaned car body is provided with a closed paint film right into each cavity using an electrochemical painting system.
  • This cathodic dip painting, or KTL for short is the basis for comprehensive corrosion protection.
  • the cathodic, i.e. negatively charged body is driven through an aqueous, conductive dip paint in which the positively charged paint particles adhere to the body and form a closed and even coating.
  • filler which has to perform several tasks at the same time. In addition to protecting against falling rocks, it resembles minor bumps on the surface, fills it up, so to speak. It also ensures that the subsequent top coat can adhere better.
  • the clear lacquer has the function of protecting the coloring coating from external influences such as UV radiation, organic or chemical contamination or other damage.
  • the invention pursues the idea of self-responsible mixing and packaging of different components in-situ in the paint shop to a finished paint mixture and its use.
  • the finished paint is based on a base material, which can be manufactured very cheaply and has a small volume, which is easy to transport, and the other properties, for example the final color, are first mixed in and thus only coordinated on site by the painter himself.
  • the late admixture of the solvent or water also simplifies the handling of the material and, above all, reduces the overall transport volume when using water.
  • the finished paint advantageously consists of base material from the first container (8) and solvent or water (L) from the second container (9) in a volume proportion of at least 80% or properties of the finished paint can be the same and the final final adjustment is then achieved by adding solvents or water and concentrated color pigments and / or effect pigments in the painting unit.
  • the mixer accesses the first container for base material, the second container with solvent or water and the respective third container for concentrated color pigments and / or effect pigments (P).
  • the mixer is connected to the painting device or the mixer is integrated in the painting device.
  • the inventive method for painting plastic components with a modular painting unit provides that the finished paint used is mixed from a base material, solvent or water and concentrated color pigments and / or effect pigments in situ in the painting unit.
  • the finished paint is mixed in a mixer in the module for the preparation of the paints and transported to the painting unit as a finished paint or the paint is mixed in a mixer in the painting device.
  • the finished paint is mixed in the spray mist of the painting unit, in that the components are simultaneously fed in the correct mixing ratio to at least one spray head.
  • the spray mist is to be regarded as a mixer.
  • the method has the further advantage that the lacquer is not premixed, but the components are applied one after the other in the correct application time.
  • the different components can also be applied without actually mixing.
  • a kind of pre-painting takes place with the first robots or painting elements of the cheap basecoat and the final color setting is done at the end by applying the concentrate.
  • the paints are paints that cure purely by evaporation, i.e. one-component systems, not two-component systems with chemical reaction hardening.
  • FIG. 1 a conventional paint shop is shown, as it is used for example for painting exterior components in automobile construction. It is initially irrelevant whether metal or plastic components are painted.
  • the painting system has a painting module and consists mainly of a painting device 11, which can spray paint mist 10 over a workpiece 4 using a robot or a permanently attached device.
  • the painting device 11 is a spray gun on a robot arm or a spray head of a painting bridge.
  • a module is only shown as an example. A large number of painting modules can be used in parallel or one after the other.
  • the paint sprayed by the spray gun or the paint bridge is obtained from a container for paints 5.
  • These containers contain ready-mixed paints that are supplied ready-mixed by the paint manufacturer.
  • the painting device can be connected to all containers for the paint 5 to be used. If, for example, bumpers are painted, the respective colors from the respective containers are used and exchanged after each group or even individual workpieces.
  • the paints are ready mixed and provided by the manufacturer. This creates large volumes of stocked ready-to-use paints, as each customer demands their own red, their own black, etc.
  • a mixer 8 is used in a module for preparing the paints 2.
  • This mixer 8 is connected to a container 7 for a base material B and to a container 9 for solvent or water and also has connections to containers 6, 6 ', 6 ", 6"' ... with concentrated color pigments and / or effect pigments .
  • a paint consists of volatile solvents and non-volatile components.
  • the solvent as the volatile component evaporates during the drying process, while the non-volatile components adhere to the painted object as a smooth film.
  • the non-volatile components are binders, pigments, oils, resins, fillers and additives.
  • the binder ensures a good, uniform suspension with pigments and solvents in the paint, is responsible for an optimal drying process and for the gloss after drying.
  • the essential basis of a paint is the binder and solvent. Pigments are not a necessary component of a paint.
  • the base material in the first container 7 mainly consists of the non-volatile constituents without concentrated color pigments and / or effect pigments, a small percentage of solvents being useful for further processing of the base material.
  • the respective solvent is located in the third container 9; if a water-based paint mixture is used, the container 3 is also closed as a water connection consider. In this case, the handling of the base material is even more efficient, since no more solvent has to be transported.
  • the second container 6 ... contain colors with a high color pigment density or metal particles, as required for metallic paintwork.
  • the mixer 8 the components, the base material, solvent or water and the concentrated color pigments and / or effect pigments are mixed in order to obtain the desired paint result as a finished paint.
  • a mixing ratio of around 80% base material + solvent / water with 20% concentrated color pigments and / or effect pigments is advantageous.
  • a range of 10-20% base material, 60-70% solvent / water, 10-30% concentrated color and / or metal pigments is optimal.
  • the finished paint premixed in the mixer 8 is fed to the painting device 11 and applied to the workpiece 4.
  • the three components are mixed directly in the spray mist 10 without a separate mixer, which is possible through a suitable design of the nozzles.
  • the spray itself thus functions as a mixer.
  • Another embodiment does not use a uniform mixture of the three components in the lacquer layer, but instead builds up the lacquer layer from a mixture of base material + solvent / water with at least one thin, concentrated color and / or metal pigment layer.
  • This paint layer can be on the surface of the paint layer or is integrated in the layers of the base material + solvent / water.
  • a process scheme is shown.
  • a layer of base material + solvent / water is made available for the painting device.
  • the component consisting of the concentrated color and / or metal pigment layer is added to the base material + solvent / water in a further step 42 and the mixture is applied in step 43. This enables a uniformly colored coating.
  • the first step is the application of a layer of base material + solvent / water, then the application of a thin layer of concentrated color and / or metal pigments, which can be repeated as desired.
  • the result is either a finished paint mixture that is maintained homogeneously through the entire paint layer, or only extends over a thin layer S.
  • paint residues consisting of color pigments to a currently used color mixture in the finished paint.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Claims (9)

  1. Unité de peinture modulaire (1) comprenant au moins un module, conçu comme un module de peinture (3) destiné à peindre au moins une pièce (4) en matière synthétique, et un mélangeur (8), au moins un module (2) destiné à la préparation de peintures mono-composant étant présent pour la peinture dans l'unité de peinture (1) et comportant un premier récipient (7), destiné au matériau de base (B) comprenant des composants non volatils tels que des liants, des pigments, des huiles, des résines, des charges et des additifs, un deuxième récipient (9) destiné à un solvant ou à de l'eau (L) et des troisièmes récipients (6, 6', 6"...) destinés à des pigments de couleur et/ou pigments d'effet (P) concentrés, la peinture finie à appliquer pouvant être mélangée dans l'unité de peinture modulaire (1), soit le mélangeur (8) étant relié à un dispositif de peinture (11) et la peinture étant mélangée dans le mélangeur (8) dans le module (2) destiné à la préparation des peintures et transportée sous forme de peinture finie vers le dispositif de peinture (11) soit le mélangeur (8) étant réalisé de manière intégrée dans un dispositif de peinture (11) et la peinture étant mélangée dans le mélangeur (8) dans le dispositif de peinture (11).
  2. Unité de peinture modulaire (1) selon la revendication 1, caractérisée en ce que la peinture finie à appliquer est obtenue par mélange, dans le mélangeur (8), d'un matériau de base (B) à un solvant ou de l'eau (L) provenant d'un deuxième récipient (9) et à des pigments de couleur et/ou pigments d'effet (P) concentrés provenant de troisièmes récipients (6, 6', 6"...).
  3. Unité de peinture modulaire selon la revendication 1 ou 2, caractérisée en ce que le matériau de base B du premier récipient (8) et le solvant ou l'eau (L) du deuxième récipient (9) sont présents dans la peinture finie appliquée dans une proportion en volume d'au moins 80 %.
  4. Unité de peinture modulaire selon la revendication 1 ou 2, caractérisée en ce que 10 à 20 % de matière de base, 60 à 70 % de solvant/d'eau, 10 à 30 % de pigments de couleur et/ou pigments métalliques concentrés sont présents dans la peinture finie appliquée.
  5. Unité de peinture modulaire selon l'une des revendications précédentes, caractérisée en ce que le mélangeur (8) accède au premier récipient pour le matériau de base (7), au deuxième récipient pour le solvant ou l'eau et au troisième récipient respectif (6) pour les pigments de couleur et/ou pigments d'effet (P) concentrés.
  6. Procédé de peinture de composants en matière synthétique à l'aide d'une unité de peinture modulaire selon les revendications précédentes, caractérisé en ce que la peinture finie utilisée est obtenue par mélange d'un matériau de base, d'un solvant ou d'eau et de pigments de couleur et/ou pigments d'effet (P) concentrés in situ dans l'unité de peinture.
  7. Procédé selon la revendication 6, caractérisé en ce que la peinture finie est mélangée dans le brouillard de pulvérisation (10) du dispositif de peinture (11) par alimentation simultanée d'au moins une tête de pulvérisation avec des composants dans le bon rapport de mélange.
  8. Procédé selon la revendication 6, caractérisé en ce que, pour la production de la peinture finie, des résidus de peinture provenant de troisièmes récipients individuels sont ajoutés dans de faibles proportions pour être réutilisés.
  9. Procédé selon la revendication 6, caractérisé en ce que la peinture finie est mélangée au dispositif de peinture (11) par alimentation d'au moins une tête de pulvérisation avec les composants de manière échelonnée dans le temps dans le bon rapport de mélange.
EP16196954.8A 2015-11-10 2016-11-02 Installation de mise en peinture modulaire et procédé de mise en peinture de composants en plastique Active EP3167957B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015222134 2015-11-10

Publications (2)

Publication Number Publication Date
EP3167957A1 EP3167957A1 (fr) 2017-05-17
EP3167957B1 true EP3167957B1 (fr) 2020-12-30

Family

ID=57354106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16196954.8A Active EP3167957B1 (fr) 2015-11-10 2016-11-02 Installation de mise en peinture modulaire et procédé de mise en peinture de composants en plastique

Country Status (3)

Country Link
US (1) US20170128965A1 (fr)
EP (1) EP3167957B1 (fr)
RU (1) RU2715651C2 (fr)

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
US5964418A (en) * 1997-12-13 1999-10-12 Usbi Co. Spray nozzle for applying metal-filled solventless resin coating and method
AU2430100A (en) * 1999-01-26 2000-08-18 Dbs Beschichtung Und Systemetechnik Gmbh Method for coating the inside of pipes and coating system
US7250464B2 (en) * 2000-02-18 2007-07-31 Rohm And Haas Company Distributed paint manufacturing system
US6573325B1 (en) * 2000-04-28 2003-06-03 David York Aqueous surface treatment compositions
US20090104357A1 (en) * 2007-10-17 2009-04-23 Dattilo Vincent P Mutli-layer composite coloring coating process
DE102008053178A1 (de) 2008-10-24 2010-05-12 Dürr Systems GmbH Beschichtungseinrichtung und zugehöriges Beschichtungsverfahren
DE102009031180A1 (de) * 2009-06-29 2010-12-30 Magna Steyr Fahrzeugtechnik Ag & Co Kg Vorrichtung zur Beschichtung eines Werkstückes
DE102010019612A1 (de) * 2010-05-06 2011-11-10 Dürr Systems GmbH Beschichtungseinrichtung, insbesondere mit einem Applikationsgerät, und zugehöriges Beschichtungsverfahren, das einen zertropfenden Beschichtungsmittelstrahl ausgibt

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
RU2016144056A (ru) 2018-05-11
RU2016144056A3 (fr) 2020-01-20
EP3167957A1 (fr) 2017-05-17
US20170128965A1 (en) 2017-05-11
RU2715651C2 (ru) 2020-03-02

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