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Low-noise micro-arc oxidation device

A micro-arc oxidation and low-noise technology, applied in anodizing and other directions, can solve problems such as high noise, and achieve the effects of safety reduction, transmission intensity reduction, and easy observation and detection.

Active Publication Date: 2010-03-03
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a low-noise micro-arc oxidation device to solve the problem of high noise in the micro-arc oxidation process of the existing micro-arc oxidation device

Method used

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Experimental program
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specific Embodiment approach 1

[0008] Specific implementation mode 1: Combination Figure 1-Figure 6 To explain this embodiment, the micro-arc oxidation device of this embodiment includes a box body 1, a gas discharge pipe 4, an exhaust fan 5, an air pump 6, an air pipe 7, a cooling water pump 11, a cooling water inlet pipe 12, and a barrel with a cooling water jacket. Stainless steel electrolyzer 14, solution discharge pipe 17, micro-arc oxidation cathode 18, micro-arc oxidation power supply 19, micro-arc oxidation anode 20, cooling water outlet pipe 21, tank cover 23 and micro-arc oxidation insulating anode support 25; The oxidation device also includes a soundproof material 2, a flexible sound-absorbing material 3, and a stainless steel shutter 22; the tank 1 is equipped with a barrel-shaped stainless steel electrolytic tank 14 with a cooling water jacket, and the stainless steel shutter 22 is arranged on the tank 1 On the end surface and the upper end surface of the barrel-shaped stainless steel electrol...

specific Embodiment approach 2

[0009] Specific implementation manner two: combination figure 1 To illustrate this embodiment, the box 1 of this embodiment is made of a metal material, a wood board or an organic material board, which can be selected as required. Others are the same as the first embodiment.

specific Embodiment approach 3

[0010] Specific implementation mode three: combination figure 1 with Figure 4 To illustrate this embodiment, the box cover 23 of this embodiment is composed of a tank body 28 and a cover plate 29; the lower end of the tank body 28 is connected to the cover plate 29, which is made of stainless steel or organic material, and water vapor is not easy to Corrosion, the tank body 28 is made of metal material, wood board or organic material board. Others are the same as the first or second embodiment.

[0011] Specific implementation manner 4: Combination figure 1 To illustrate this embodiment, the flexible sound-absorbing material 3 of this embodiment is a fiber yarn with a sound-absorbing function, a flexible benzene board or a sound-absorbing sponge. Others are the same as the first embodiment.

[0012] Specific implementation manner five: combination figure 1 To describe this embodiment, the sound insulation material 2 of this embodiment is a fiber yarn with a sound absorption funct...

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Abstract

The invention provides a low-noise micro-arc oxidation device, relating to a micro-arc oxidation device. The device aims at solving the problem of the existing micro-arc oxidation device that the noise is large in the process of micro-arc oxidation. A box body is internally provided with a barrel-shaped stainless steel electrolytic bath with a cooling water tank; a stainless steel shield plate ispositioned on the box body; a box cover is positioned on the stainless steel shield plate; an interlayer of the box body and the box cover is internally filled with acoustic insulating materials; theperiphery of the barrel-shaped stainless steel electrolytic bath is paved with soft acoustic materials; a gas discharge pipeline is communicated with a gas discharge chamber; a gas pipe is communicated with the barrel-shaped stainless steel electrolytic bath; a cooling water inlet pipe and a cooling water outlet pipe are communicated with a cooling water sleeve of the barrel-shaped stainless steelelectrolytic bath; a solution discharge pipe is communicated with the barrel-shaped stainless steel electrolytic bath; the two ends of a micro-arc oxidation cathode and the cathode of a micro-arc oxidation electric power source are connected with the outer wall of the barrel-shaped stainless steel electrolytic bath; and the two ends of a micro-arc oxidation anode and the anode of the of the micro-arc oxidation electric power source are connected with a work piece. The device can greatly reduce noise dissemination intensity and ensure the stability of a micro-arc oxidation technology.

Description

Technical field [0001] The invention relates to a micro-arc oxidation device, which belongs to the technical field of metal material surface processing. Background technique [0002] Micro-arc oxidation, also known as plasma oxidation, is a new technology for in-situ growth of oxide ceramics on the surface of non-ferrous metals such as Al, Mg, Ti and their alloys. It is developed on the basis of traditional anodic oxidation, but it breaks through the voltage limitation of anodic oxidation, and the applied voltage is higher. This technology is to put Al, Mg, Ti and other metals into a conductive solution, and a thin oxide insulating film is formed on the metal surface immediately after power is applied. As the voltage increases, the potential at the interface between the electrolyte and the metal is sharp Increase, causing the weak part of the formed oxide insulating film to be broken down, causing a phenomenon of micro arc discharge. This technology generates a high temperature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/02
Inventor 田修波王晓波巩春志杨士勤
Owner HARBIN INST OF TECH
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