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Rotary atomizer

A technology of rotating atomizer and atomizing head, which is applied in the direction of instruments, devices using optical methods, indicating/recording actions, etc., and can solve problems such as high capital expenditures

Inactive Publication Date: 2018-11-09
EISENMANN SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While signal delivery and signal processing components exist that can also handle the desired higher rotational speeds and signal frequencies, these require significantly higher capital expenditures

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0036] in figure 1 The first embodiment of the rotary atomizer 10 is shown very schematically in a cross-sectional view, in figure 2 The details of the rotary atomizer 10 are shown in a schematic top view. In the display diagram of the rotary atomizer 10, a housing 12 is shown, which surrounds the main part of the rotary atomizer 10. The rotary atomizer 10 may be, for example, a part of a device for coating a vehicle body (not shown). A bell cup / atomizing head 14 for atomizing a coating material such as lacquer is schematically shown on the front of the housing 12. The atomizing head 14 is rotatably supported around the rotation axis A and is driven by a turbine (not shown) having a turbine 16. The turbine wheel 16 is connected to a rotating body designed as a disk 18 in a rotationally fixed manner.

[0037] The disk 18 is only schematically shown in the cross-sectional view. The disk 18 is a component of the device 20 for determining information related to rotation, such as t...

no. 2 approach

[0049] Figure 4-Figure 6 A second embodiment of the rotary atomizer 100 is shown. Compared with the first embodiment, the same or similar features are indicated by reference numerals increased by 100. In order to avoid repetition, these features will not be described again.

[0050] Unlike the first embodiment, the device 120 for determining information related to rotation of the rotary atomizer 100 of the second embodiment is as Figure 4 A disc 118 is shown, which has a first surface 119 similar to the surface 19 of the rotary atomizer 10 of the first embodiment, and the disc also has a second surface 117 inclined with respect to the first surface 119. The second surface 117 is arranged on the outer edge of the disk 118 in this embodiment and therefore can achieve better signal transmission quality, because less diffuse light of the first surface 119 is coupled into the second optical waveguide body 122 And vice versa.

[0051] As in Figure 5 The distribution of the structure...

no. 3 approach

[0055] in Figure 7-9 A rotary atomizer 200 is schematically shown as the third embodiment. Compared with the first embodiment or the second embodiment, the same or similar features are again indicated by reference numerals increased by 100 or 200.

[0056] in Figure 7 In addition to the known features, the rotary atomizer 200 shown in FIG. also has a device 220 for determining information related to rotation. The difference between this device and the previous embodiment is that it has three optical waveguides 222, 223, and 224. Correspondingly, three photodetectors are provided, symbolically assembled in a unit 228 here.

[0057] Corresponding to the three optical waveguides 222, 223, and 224, the surface 219 of the disc 218 is provided with reflection sections on three circumferential lines 230, 232, and 234 having different radii. On the outermost circumferential line 230 in the current embodiment, 16 reflecting sections 231 are provided, which are arranged equidistantly from...

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PUM

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Abstract

The invention relates to a rotary atomizer for atomizing a coating material for the coating of workpieces, the rotary atomizer comprising a housing, a turbine wheel which is arranged in the housing and can be driven in two directions of rotation, a bell cup that can be set in rotation by the turbine wheel about an axis of rotation and also a device for determining a rotational speed, wherein the device comprises an optical waveguide and a disc which is indirectly or directly connected to the bell cup or the turbine wheel for rotation therewith and has an optically detectable structure, whereinthe optical waveguide is designed for detecting the optically detectable structure and for passing on the detected structure as an optical signal in the housing. According to the invention, it is provided that the optical waveguide has a first information channel and a second information channel, which are respectively designed for passing on an optical signal independently of one another.

Description

Technical field [0001] The invention relates to a rotary atomizer for atomizing a coating material to coat a workpiece. The rotary atomizer includes: a housing; a turbine arranged in the housing, and the turbine can rotate along two Directional drive; an atomizing head capable of rotating around a rotation axis through a turbine; and a device for determining the rotation speed, wherein the device includes a rotating body and an optical waveguide body. Background technique [0002] Rotary atomizers of the type mentioned at the beginning are used, for example, to apply coating materials / painting materials, such as paint, to the vehicle body in layers. The material provided for the coating is atomized into ultra-small particles for this purpose. In this atomization process, the particle size depends on the strength of the centrifugal force and therefore also on the rotation speed; the higher the rotation speed, the finer the coating material is atomized. [0003] Therefore, we striv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B5/04G01P3/36G01P13/04G01B11/00B05B3/10G01P3/486
CPCB05B5/0422G01P3/486B05B3/1085B05D1/02
Inventor H·舒尔茨
Owner EISENMANN SE
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