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Installation for spraying a multicomponent coating product

A multi-component and equipment technology, applied in spray devices, electrostatic spray devices, liquid supply devices, etc., can solve problems such as loss of coated products

Inactive Publication Date: 2009-10-28
サムクレムリン
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to make leakage acceptable, insulating pipes of very large lengths and cross-sections must be used, which leads to unacceptable losses of coated products

Method used

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  • Installation for spraying a multicomponent coating product
  • Installation for spraying a multicomponent coating product
  • Installation for spraying a multicomponent coating product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] [20] in figure 1 with 2 In the shown installation, the robot 1 is located near a conveyor 2 that transports the object to be coated, for example a motor vehicle body 3 . The robot 1 is of the multi-axis type and comprises a base 4 movable on guides 5 extending parallel to the conveying direction X-X'. An arm 6 is supported by the base 4 and comprises several mutually hinged sections 6a, 6b, 6c. The base 4 consists of two parts 4a and 4b hinged to each other about a substantially vertical axis Z-Z'.

[0021] [21] Section 6c of arm 6 supports an assembly including reservoir 7, rotary injector 8, and carrier plate (platine) 9, and conduits connecting reservoir 7 and injector 8 are provided in carrier plate 9, and among these conduits one of the figure 1 with 2 Indicated by reference numeral 72 .

[0022] [22] The injector 8 is of the electrostatic type and is connected to an adjustable high voltage generator not shown. The generator is zeroed outside the injector 8 ...

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PUM

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Abstract

An installation for spraying a multi-component coating material composed of at least one robot having a moving portion carrying at least one electrostatic sprayer, the coating material having an electrically-conductive component together with at least one second component that is electrically insulating or poorly conductive. The installation further includes a main tank fitted with a unit for making a temporary connection with a circuit for dispensing the first component, and being raised to a high voltage when the connection unit not connected, and a feed circuit for continuously feeding the at least one second component. The main tank and the at least one second component feed circuit are carried by the moving portion of the robot and connected to feed the sprayer.

Description

technical field [0001] [01] The present invention relates to spraying apparatus for a multi-component coated product comprising a first conductive component and at least a second component. According to the present invention, the component added to the first component to form a multi-component coated product is called the second component. Background technique [0002] [02] From EP-A-1 473 090 it is known to spray two-component paints using an electrostatic spraying device. In this device, the components are mixed by means of a static mixer before distribution to the injectors, and the supply to the mixer is achieved by means of a gear pump. The use of this device presents problems where the product to be sprayed has a low electrical resistance, for example in the case of water-soluble lacquers. In this case, any short circuit between the injector with high pressure (haute tension) and the distribution line of the components constituting the coated product, which is ground...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B5/16
CPCB05B12/1418B05B5/1675B05B5/1625B05B13/0431B05B12/006B05B13/0452
Inventor 赛德里克·莱斯特拉卡里尔·托姆
Owner サムクレムリン
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