Electrode protection immersion type micro-arc oxidation clamp

Abstract

The invention discloses an electrode protection immersion type micro-arc oxidation clamp. The electrode protection immersion type micro-arc oxidation clamp is composed of a conductive electrode 1, an acid and alkali resistant sealing rubber ring 2, an elastic structure PVC plate 3, a PVC pipe 4, a conductive wire 5, a clamp spring 6 and a PVC clamping plate 7, a protruding hook groove is formed in the interior of the PVC pipe and connected with the elastic structure PVC plate in a hooked mode, the conductive electrode is fixed to the elastic structure PVC plate and is connected with the wire at the same time, the wire is led out of the hollow PVC pipe and is connected to the micro-arc oxidation anode electrode; notches are formed in the edges of the two sides of the PVC clamping plate so that the clamp can be fixed in a micro-arc oxidation tank, and the clamp spring is used for opening and closing the clamp. The electrode protection immersion type micro-arc oxidation clamp is simple in structure and low in manufacturing cost at the same time, has the advantages of detachability, multi-clamp cooperation, customizability and the like, is suitable for micro-arc oxidation machining of various acid-base electrolytes of different types and most plane workpieces at present, and has great application and market prospects.

Description

technical field [0001] The invention relates to an electrode protection submerged micro-arc oxidation fixture, which is suitable for the relevant research and production of the micro-arc oxidation of titanium, magnesium, aluminum and related alloy workpieces that can be micro-arc oxidized. Background technique [0002] Micro-arc oxidation (MAO) technology is an emerging surface treatment technology developed from traditional anodizing technology, which breaks the limitations of previous use conditions, and has the advantages of no pollution, simple and efficient preparation process, etc. Place aluminum, magnesium, titanium, zirconium and other non-ferrous metals and their alloys in a special electrolyte, and pass through a higher voltage or current, so that a layer of hard ceramics or other functional oxides can be grown on the surface of the base metal in situ. At the same time, the bonding strength between the film layer and the substrate is high, it is not easy to break a...

AI Technical Summary

Problems solved by technology

[0003] In the process of micro-arc oxidation, the traditional fixture is usually used to clamp the workpiece. The existing problem is that the fixture cannot contact the electrolyte. Oxidation will have a negative impact on the entire experiment, and the fixture and electrode need to be processed and cleaned afterwards, which will greatly reduce the service life of the fixture and electrode

However, the lack of contact of the gripper with the electrolyte would result in a solution-air interface on the gripped workpiece, which would have an undesirable effect on MAO

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