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Flow rotating combined device for micro-arc oxidation

A combined device and micro-arc oxidation technology, applied in the direction of anodic oxidation, can solve the problems of large oxidation area, increased cost, uneven film layer, etc., and achieve the effect of uniform film layer, saving liquid and good performance

Active Publication Date: 2014-11-12
SHIJIAZHUANG JINGANG KAIYUAN POWER SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its existing defects: first, the thickness of the oxide film on the head is quite different from the thickness of the oxide film on the ring groove, and the film layer is uneven; second, the oxidation area is large, which increases the cost

Method used

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  • Flow rotating combined device for micro-arc oxidation
  • Flow rotating combined device for micro-arc oxidation

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing description, the present invention is described in further detail:

[0018] As shown in the figure, the micro-arc oxidation swirl combination device includes a circulating pump for transporting electrolyte, a storage piston 9 connected with the circulating pump and a sleeve 8 for electrolyte, a micro-arc discharge device, a piston clamping device and a swirl device , the piston clamping device is fixedly connected above the swirl device through a support rod, the liquid spray port of the swirl device is facing the ring groove of the piston 9 tightened on the piston clamping device, and a retaining ring 7 is arranged on the upper side of the ring groove, The lower side is provided with a sealing ring 6 .

[0019] The swirl device includes a bracket 1, a liquid inlet pipe 2, a nozzle 3, and a liquid spray pipe 4. One end of the liquid spray pipe 4 is connected to the inside of the sleeve 8 and is opposite to the ring groo...

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PUM

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Abstract

The invention discloses a flow rotating combined device for micro-arc oxidation. The device comprises a circulating pump, a sleeve, a micro-arc electric discharge unit, a piston clamping unit and a flow rotating unit, wherein the circulating pump is used for conveying an electrolyte, the sleeve is communicated with the circulating pump and used for storing a piston and the electrolyte, the micro-arc electric discharge unit is arranged above the sleeve and communicated with the piston, the piston clamping unit is arranged above the flow rotating unit through a support rod, a liquid spraying port of the flow rotating unit faces a circular groove of the piston clamped on the piston clamping unit directly, and the circular groove is provided with a retaining ring on the upper side and a seal ring on the lower side. An oxidation film layer of the piston is evener by aid of the flow rotating combined device.

Description

technical field [0001] The invention relates to a piston oxidation device, in particular to a piston micro-arc oxidation device. Background technique [0002] Micro-arc oxidation is being used more and more in various industries. The so-called micro-arc oxidation is the instantaneous high temperature and high pressure effect of aluminum, magnesium, titanium and their alloys in the electrolyte relying on arc discharge, and the surface grows a ceramic film mainly composed of matrix metal oxides, which is characterized by high surface hardness and good corrosion resistance. abrasion resistance and heat insulation. In the traditional piston micro-arc oxidation technology, the piston head and ring groove are all immersed in the oxidation solution, and then liquid circulation or stirring is applied. Its existing defects: first, the thickness of the oxide film on the head is quite different from that of the ring groove, and the film layer is uneven; second, the oxidation area is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D11/02
Inventor 王季明李雪芹仇厚俊
Owner SHIJIAZHUANG JINGANG KAIYUAN POWER SCI & TECH
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