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Apparatus and associated method of operation

A coating device and coating technology, applied to the surface coating liquid device, spray device, spray device, etc., can solve the problem of unsatisfactory coating supply

Active Publication Date: 2022-03-11
DUERR SYST GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] When the well-known print heads are used as application devices in the continuous painting of body parts, the paint delivery is still not satisfactory in practice

Method used

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  • Apparatus and associated method of operation
  • Apparatus and associated method of operation
  • Apparatus and associated method of operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0086] In the following, first explain Figure 1A and 1B , which shows the double-acting nozzle valve in the nozzle head of the coating device according to the present invention, wherein the nozzle valve releases ( Figure 1A ) or blocking ( Figure 1B) the flow of coating agent through nozzle 1 in the print head.

[0087] The coating agent to be applied is fed into the print head via the coating agent supply 2 and can leave the nozzle head through the nozzle 1 or return to the coating agent return 3 depending on the position of the nozzle valve, the flow path goes from The coating agent supply 2 passes through the return opening 4 to the coating agent return 3 which is released by the control valve ( Figure 1B ) or blocking ( Figure 1A ).

[0088] The control valve is shown here only schematically and has a valve needle 5 which is displaceable in the direction of the double arrow by means of an actuator (not shown), for example a solenoid actuator.

[0089] A seal 6 , 7 ...

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PUM

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Abstract

The invention relates to a coating device for coating parts with a coating agent, in particular a motor vehicle body part with paint, comprising a print head (10) for applying the coating agent to the part, and a coating Coating agent feeding mechanism (9, 13, 12, VR) for supplying the coating agent to be coated to the printing head, the coating agent is supplied from the coating agent at a specific pressure and a specific flow rate Mechanisms (9, 13, 12, VR) flow to the print head (10). According to the invention, the coating agent supply mechanism (9, 13, 12, VR) regulates the pressure and / or flow rate of the coating agent in a controlled manner. The invention also relates to related operating methods.

Description

technical field [0001] The invention relates to a coating device for coating components with a coating agent, in particular motor vehicle body parts with paint. Furthermore, the invention relates to a corresponding operating method for such a coating device. Background technique [0002] For the continuous painting of body parts, rotary atomizers are often used as application devices, however, they have the disadvantage of limited application efficiency, that is, only a part of the applied paint is deposited on the part to be coated, while the applied The remainder of the paint must be disposed of as so-called overspray. [0003] Other known types of nebulizers are air nebulizers, airless nebulizers, air mixing nebulizers and air assisted nebulizers. However, these atomizer types also have the disadvantage of emitting a spray with undesirable overspray when coating. [0004] On the other hand, newer development lines provide so-called printing heads as application devices...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B1/30B05B15/58B05B12/08B05B12/04B05B12/14B05B13/04
CPCB05B1/3093B05B12/04B05B12/085B05B12/149B05B13/0452B05B15/58B05B12/087B05B12/088B05C11/1002B05C5/027B05B13/0431B05C11/1018B25J11/0075B05C5/0291B41J3/4073B05C11/1047B05C11/1013
Inventor H-G·弗里茨B·沃尔M·克莱纳M·布贝科T·贝尔F·赫勒S·索茨尼
Owner DUERR SYST GMBH