Coating agent deflection by a coating device

Patent metadata

Field	Value
Publication number	US-9987640-B2
Application number	US-201414766458-A
Country	US
Kind code	B2
Filing date	Feb 10, 2014
Priority date	Feb 11, 2013
Publication date	Jun 5, 2018
Grant date	Jun 5, 2018

Abstract

A coating device is provided for application of a coating agent, in particular a paint, sealant, separating agent, function layer or adhesive, to a component such as a motor vehicle body and/or attachment therefor. The coating device comprises an applicator that has at least one outlet opening and is configured to emit at least one coating agent jet. The coating device includes a deflector that is configured for deflecting the coating agent jet.

First claim

The invention claimed is:

1. A coating device for application of a coating agent to a component, comprising:
an applicator including at least one outlet opening and configured to emit at least one coating agent jet in a first outlet direction, the applicator and the component configured to be linearly movable relative to each other; and
a deflector integrated in the applicator downstream of the at least one outlet opening, the deflector being arranged about the at least one coating agent jet and configured to direct the at least one coating agent jet from the first outlet direction to deflected directions,
wherein the deflector is configured to create a pattern on the component comprising at least one swirl application resulting from a movement overlay, wherein the movement overlay comprises one of a circular and arcuate movement of the at least one coating agent jet between the deflected directions generated by the deflector, and a linear movement between the applicator and the component.

2. The coating device of claim 1 , further comprising a vibration generator for coupling a vibration into the coating agent.

3. The coating device of claim 2 , wherein the vibration generator is provided to introduce a vibration into the at least one coating agent to cause the coating agent jet to break down into droplets.

4. The coating device of claim 1 , wherein at least one of an amplitude and a frequency of the deflected directions of the coating agent jet created by the deflector is changeable during an application and a deflection process.

5. The coating device of claim 1 , wherein the applicator comprises several outlet openings with a specific nozzle inner diameter and a specific nozzle distance, wherein the nozzle distance is at least equal to at least three times the nozzle inner diameter.

6. The coating device of claim 1 , wherein the coating device comprises a movement unit which is configured to move the applicator relative to the component, during at least one of an application and a deflection process.

7. The coating device of claim 6 , wherein the applicator, the deflector and the movement unit are configured such that during an application and deflection process, the applicator is at least one of (a) at least temporarily moved by the movement unit along a predefined path relative to the component, and (b) at least temporarily held stationary by the movement unit while the component is moved relative to the applicator.

8. The coating device of claim 6 , wherein the applicator and the movement unit are configured such that the output of coating agent is temporarily interrupted while the movement unit moves the applicator relative to the component, whereafter the output of coating agent is resumed at another component position.

9. The coating device of claim 1 , further comprising a handling unit for the component, wherein the applicator, the deflector and the handling unit are configured such that during an application and deflection process, the component is at least one of (a) at least temporarily moved by the handling unit along a predefined path relative to the applicator, and (b) at least temporarily held stationary by the handling unit.

10. The coating device of claim 9 , wherein the applicator and the handling unit are configured such that the output of coating agent is temporarily interrupted while the handling unit moves the component relative to the applicator, whereafter the output of coating agent is resumed at another component position.

11. The coating device of claim 1 , configured so that output of the coating agent is switched on and off with a switching duration of less than seventy milliseconds.

12. The coating device of claim 1 , wherein the applicator is configured to emit an at least partially cohesive coating agent jet.

13. The coating device of claim 12 , configured such that the coating agent jet hits the component as a droplet jet comprising individual droplets.

14. The coating device of claim 1 , wherein the deflector comprises at least two deflection units, a deflection influence of which on the coating agent jet has an amplitude variation such that a deflected part of the coating agent jet produces a first coating on the component and an undeflected part of the coating agent jet produces a second coating on the component, wherein the first coating and the second coating are separated from each other and thereby constitute individual coatings.

15. The coating device of claim 1 , wherein the applicator is configured such that the outlet speed of the coating agent is a maximum of thirty meters per second.

16. The coating device of claim 1 , wherein the deflector comprises at least two deflection units and is configured for at least one-dimensional deflection of the coating agent jet.

Assignees

• Duerr Systems Gmbh
• Duerr Systems Gmbh

Inventors

• Herre Frank
• Fritz Hans-Georg
• Wohr Benjamin
• Beyl Timo
• Kleiner Marcus

Classifications

• B05B1/02 Primary

  designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, {or having an outlet of particular shape}(B05B1/26, B05B1/28, B05B1/34 take precedence) · CPC title

• B05B1/26

  with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets · CPC title

• B05B13/0457

  specially designed for applying liquid or other fluent material to three-dimensional [3D] surfaces of the work, e.g. by using several moving spray heads (B05B13/0431, B05B13/0452 take precedence) · CPC title

• B41J3/407

  for marking on special material · 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