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Innovation method of anodized negative plate

An anodic oxidation, anodic oxidation tank technology, applied in the direction of anodic oxidation, electrodes, electrolytic coatings, etc., can solve the problems of uneven oxide film thickness and performance, increase the area of ​​the cathode plate, etc., achieve the reduction of bubbles and impurities, prolong life, prevent The effect of failure

Active Publication Date: 2017-06-13
XIHUA UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

This innovative method of anodizing the cathode plate can not only effectively increase the area of ​​the cathode plate, but also remove the air bubbles and impurities on the surface of the cathode plate in time to solve the technical problem of uneven oxide film thickness and performance caused by the existing cathode plate. At the same time prolong the service life of the cathode plate

Method used

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  • Innovation method of anodized negative plate
  • Innovation method of anodized negative plate

Examples

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Effect test

Embodiment 1

[0017] Example 1: The work of anodizing the negative plate of the groove-shaped rotary body.

[0018] First, the aluminum cathode material is made into a groove-shaped rotary cathode plate, and the cathode plate is installed on the inner side of the oxidation tank; and the cathode plate is made of PTFE with brush bristles, which are attached to the outer surface of the cathode plate; then the workpiece is clamped for Anodizing, the cathode plate rotates stably in the bath at a speed of 1r / min (such as figure 1 shown); after anodizing, stop the rotation of the cathode plate, remove and clean the workpiece.

Embodiment 2

[0019] Example 2: The work of anodizing the cathode plate of the zigzag rotor.

[0020] First, the lead cathode material is made into a zigzag rotary cathode plate, and the cathode plate is installed on the inner side of the oxidation tank; and the carbon fiber is used to make the brush bristles of the cathode plate, which are attached to the outer surface of the cathode plate; then the workpiece is clamped for anode Oxidation, the cathode plate rotates stably in the bath at a speed of 12r / min (such as figure 2 shown); after anodizing, stop the rotation of the cathode plate, remove and clean the workpiece.

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Abstract

The invention relates to an innovation method of an anodized negative plate. The innovation method is characterized in that tops of bristles of an irregular rotary negative plate follow brush are attached to the surface of the negative plate, and the negative plate stably rotates in ananodizingbath solution at a constant speed; the shape of the negative plate is a groove-shaped rotary body, a sine wave rotary body or a sawtooth-shaped rotary body; the bristles of the follow brush are made of PTFE (polytetrafluoroethylene), PFA (perfluoroalkoxy alkane), PP (polypropylene), PE (polyethylene), PS (polystyrene), carbon fibers, glass fibers, basalt fibers, aramid fibers or polyester fibers; the rotating speed of the negative plate is 1-12 r / min. According to the innovation method, the area of the anodized negative plate is effectively increased, bubbles and impurities on the surface of the negative plate are reduced, so that the utilization rate of the negative plate is increased, current density of a workpiece is uniform, thickness and performance of an oxide film are uniform, and the service life of the negative plate is prolonged; the method is also suitable for micro-arc oxidation.

Description

technical field [0001] The invention relates to an innovative method for cathode plates, in particular to an innovative method for anodizing cathode plates. Background technique [0002] Anodizing belongs to the electrochemical conversion film technology in the field of material surface engineering. Its essence is that a dense oxide film is formed on the surface of aluminum, magnesium, titanium and other workpieces through electrochemical action, which endows the surface of the workpiece with high hardness, high corrosion resistance and high insulation. Physical and chemical properties, so a wide range of applications. However, in the actual production of anodic oxidation, there are still a series of technical problems to be overcome, such as: a large amount of waste products due to uneven oxide film and inconsistent performance, and the regular impurity removal cleaning of the cathode plate makes the production efficiency low. [0003] An important factor affecting the thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/02C25D17/12C25D21/04
CPCC25D11/005C25D11/02C25D17/12C25D21/04
Inventor 王剑何明洋魏晓伟
Owner XIHUA UNIV
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