Coating installation and corresponding coating method

Patent metadata

Field	Value
Publication number	US-11975345-B2
Application number	US-202217740537-A
Country	US
Kind code	B2
Filing date	May 10, 2022
Priority date	Dec 14, 2016
Publication date	May 7, 2024
Grant date	May 7, 2024

Abstract

The disclosure relates to a painting installation for painting components with a paint, in particular for painting motor vehicle body components, with a paint booth and an application device, in particular a print head, arranged in the paint booth, for applying the paint to the component located inside the paint booth, the application device operating essentially without overspray, so that the paint applied by the application device essentially completely on the component to be coated without overspray deposits. The disclosure provides that no paint separation is arranged below the first paint booth.

First claim

The invention claimed is:

1. A method for painting components with a paint using a painting installation, the method comprising:
conveying a component into a first paint booth;
applying at least one of adhesion promoter or seam sealings in the first paint booth;
applying paint to the component with a print head of a first application device arranged in the first paint booth, the print head emitting a droplet jet or a continuous jet of coating medium;
conveying the component into a second paint booth; and
applying paint to the component with an overspray-generating atomizer of a second application device arranged in the second paint booth, the overspray-generating atomizer emitting a spray of coating medium.

2. The method of claim 1 , wherein applying paint to the component with the first application device arranged in the first paint booth includes applying paint to outer surfaces of the component and applying paint to the component with the overspray-generating atomizer of the second application device arranged in the second paint booth includes applying paint to inner surfaces of the component.

3. The method of claim 2 , wherein the method further includes applying paint to wraps around component edges of the component with an atomizer which applies a spray mist of the paint.

4. The method of claim 1 , wherein applying paint to the component with the first application device arranged in the first paint booth includes applying a first paint and wherein applying paint to the component with the second application device arranged in the second paint booth includes applying a second paint that is different than the first paint.

5. The method of claim 4 , wherein no paint is applied to the component with the first application device arranged in the first paint other than the first paint.

6. The method of claim 1 , wherein applying paint to the component with the overspray-generating atomizer of the second application device arranged in the second paint booth includes applying a base coat layer and a clear coat layer.

7. A method for painting components with a paint using a painting installation, the method comprising:
applying a first filler layer to an interior and wrap-around edges of a component at a first filler station with an atomizer which applies a spray mist;
applying a second filler layer to an outer surface of the component at a second filler station with a print head emitting a droplet jet or a continuous jet of coating medium;
drying the first filler layer and the second filler layer at a first drying station;
applying a first base coat layer to the interior and wrap-around edges of the component at a first base coat station with an atomizer which applies a spray mist;
applying a second base coat layer to the outer surface of the component at a second base coat station with a print head emitting a droplet jet or a continuous jet of coating medium;
applying a third base coat layer to the outer surface of the component at a third base coat station with an atomizer which applies a spray mist or a print head emitting a droplet jet or a continuous jet of coating medium;
drying the first base coat layer, the second base coat layer and the third base coat layer at a second drying station;
applying a first clear coat layer to the interior and wrap-around edges of the component at a first clear coat station with an atomizer which applies a spray mist;
applying a second clear coat layer to the outer surface of the component at a second clear coat station with a print head emitting a droplet jet or a continuous jet of coating medium; and
drying the first clear coat layer and the second clear coat layer at a third drying station.

8. The method of claim 7 , wherein the second filler layer is applied to the outer surface of the component before drying the first filler layer.

Assignees

• Duerr Systems Ag

Inventors

• Fritz Hans-Georg
• Wöhr Benjamin
• Kleiner Marcus
• Bubek Moritz
• Beyl Timo
• Herre Frank
• Sotzny Steffen

Classifications

• B05B13/002

  Machines or plants for applying coating liquids or other fluent materials by inkjet · CPC title

• B05B13/0452 Primary

  the objects being vehicle components, e.g. vehicle bodies · CPC title

• B05D7/14

  to metal, e.g. car bodies (involving a chemical reaction between the metal and the coating C23) · CPC title

• B05B1/14

  with multiple outlet openings (B05B1/02, B05B1/26 take precedence); with strainers in or outside the outlet opening · CPC title

• B05B13/0431

  with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to three-dimensional [3D] surfaces · CPC title