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Powder coating device and powder coating method

A powder coating and powder flow technology, which is applied to the device, electromechanical device, coating, etc. for coating liquid on the surface, which can solve the problems of quality degradation and surface height deviation.

Active Publication Date: 2021-10-01
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] If the surface height of the powder resin filled in the powder flow tank varies, the quality of the powder coating on the workpiece may decrease.

Method used

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  • Powder coating device and powder coating method
  • Powder coating device and powder coating method
  • Powder coating device and powder coating method

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Experimental program
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Embodiment Construction

[0077] Hereinafter, the powder coating apparatus 100 according to the embodiment of the present invention will be described. First, refer to Figures 1 to 4A , Figure 4B , the stator 1 of a rotating electric machine as an example of a work to be powder-coated using the powder coating apparatus 100 will be described.

[0078] The rotating electrical machine is a motor, a generator, or the like, and includes a cylindrical stator 1 and a rotor (not shown) rotatably arranged inside the stator 1 .

[0079] The stator 1 includes a stator core 2 and coils 3 . The stator core 2 is cylindrical and has a plurality of slots 2a penetrating in the direction of the rotation axis at intervals in the circumferential direction. Each slot 2a is formed so that the radial cross-sectional shape of the stator core 2 extends radially from the center side of the stator core 2, and communicates with the inner peripheral surface of the stator core 2 through the slit 2b formed in the stator core 2. ...

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PUM

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Abstract

The invention provides a powder coating device and a powder coating method which can suppress consumption of powder resin and realize stable powder coating. Provided is a powder coating device. The powder coating device performs powder coating by inserting peeled parts at a lower end of a stator into a powder flow tank filled with a powder resin and includes: a surface height measurement part measuring a surface height of the powder resin; a peel height measurement part measuring a height of upper ends of the peeled parts; a swing part swinging the powder resin; an air supply part supplying air toward the powder flow tank via a porous body provided below an open bottom surface of the powder flow tank, and flowing the powder resin; and an adjustment part adjusting at least one of an air flow rate, a swing amount of the powder flow tank, an entry posture and an entry amount of the stator according to measurement results of the surface height measurement part and the peel height measurement part.

Description

technical field [0001] The invention relates to a powder coating device and a powder coating method. Background technique [0002] There is known a powder coating apparatus for powder coating a workpiece such as a coil segment of a stator used in a rotating electric machine. The powder coating apparatus flows powder resin filled in a powder flow tank, and performs powder coating by inserting a workpiece in the powder resin. When powder coating is performed on the coil segment of the stator, the insulation film at the lower end portion of the coil segment is peeled off, and the peeled off portion is powder coated. [0003] If the surface height of the powder resin filled in the powder flow tank varies, the quality of the powder coating on the workpiece may decrease. Therefore, Patent Document 1 discloses a powder coating device that measures the surface height of powdered resin at a plurality of positions and notifies when the deviation of the measurement results exceeds a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C19/04B05C19/06B05D1/00
CPCB05C19/04B05C19/06B05D1/00B05C19/005B05C19/02H02K15/12
Inventor 清水洋臣宫永健二
Owner HONDA MOTOR CO LTD