Coating device comprising a jet of coating medium which is broken down into drops

Patent metadata

Field	Value
Publication number	US-10464095-B2
Application number	US-201715419081-A
Country	US
Kind code	B2
Filing date	Jan 30, 2017
Priority date	May 6, 2010
Publication date	Nov 5, 2019
Grant date	Nov 5, 2019

Abstract

A coating device comprises at least one application apparatus to discharge a coating agent from at least one coating agent nozzle. The application apparatus is configured to apply an oscillation to at least one of the coating agent and at least one coating agent jet such that at least one of the coating agent and the at least one coating agent jet break up into droplets.

First claim

The invention claimed is:

1. A painting installation, for coating a motor vehicle body, comprising:
at least one painting robot, the at least one painting robot including a plurality of axes;
at least one paint applicator, the at least one paint applicator including a carrier element having a coating agent supply the coating agent supply widening in a direction of paint flow, the carrier element including a degassing opening, the degassing opening in a direction against the paint flow, the at least one paint applicator being supplied by a first paint line, the at least one paint applicator including a plurality of coating agent nozzles, the coating agent nozzles being arranged in a row, the coating agent nozzles deliver droplets of paint onto the motor vehicle body, and;

at least one robot controller that controls the at least one robot to guide the at least one paint applicator along a predefined coating agent path over the motor vehicle body.

2. The painting installation of claim 1 wherein the plurality of coating agent nozzles are uniform in size.

3. The painting installation as in claim 1 further comprising a colour changer fed by a plurality of paint lines and including an outlet connected to the first paint line.

4. The painting installation as in claim 3 further comprising a second colour changer that supplies low runner colours.

5. The painting installation as in claim 1 further including a oscillation generator that forms the droplets of paint.

6. The painting installation as in claim 1 wherein the at least one paint applicator includes a second row of nozzles.

7. The painting installation as in claim 1 wherein the plurality of coating agent nozzles have a deviation in size.

8. The painting installation as in claim 1 wherein the plurality of coating agent nozzles are round.

9. The painting installation as in claim 8 wherein the plurality of coating agent nozzles include a diameter between 10 microns and 80 microns.

10. A painting installation as in claim 1 wherein the at least one paint applicator includes a nozzle plate; wherein the plurality of coating agent nozzles are formed in the nozzle plate.

11. A painting installation as in claim 1 wherein the at least one paint applicator further comprising at least one electrode to electrostatically charge the paint droplets.

12. A painting installation as in claim 1 wherein the degassing opening is located at a widened portion of the coating agent supply.

Assignees

• Duerr Systems Gmbh

Inventors

• Fritz Hans-Georg
• Kleiner Marcus
• Beyl Timo

Classifications

• B05B7/066

  with an inner liquid outlet surrounded by at least one annular gas outlet · CPC title

• B05B17/0607

  generated by electrical means, e.g. piezoelectric transducers · 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

• B05B17/0653 Primary

  Details · CPC title

• B05B14/40

  for use in spray booths · CPC title