CN219621281U

CN219621281U - Electrolytic device for magnesium alloy micro-arc oxidation

Info

Publication number: CN219621281U
Application number: CN202320122664.XU
Authority: CN
Inventors: 陈晓明; 王镔
Original assignee: Changzhou Tiyu New Material Technology Co ltd
Current assignee: Changzhou Tiyu New Material Technology Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-09-01
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to the technical field of micro-arc oxidation, in particular to an electrolytic device for magnesium alloy micro-arc oxidation, which comprises an electrolytic cell, wherein an electrode plate is arranged on the inner side of the electrolytic cell, a hanger is arranged on the inner side of the electrode plate, a tray is arranged at the bottom of the hanger, a power supply box is arranged on one side of the electrolytic cell, and a drain valve is arranged on one side of the bottom of the electrolytic cell; the bottom of the electrolytic cell is provided with an electrode column, the upper side of the electrode column is provided with a spring, the spring is propped against the tray, and the electrode plate and the electrode column are electrically connected with the power supply box; according to the utility model, the workpiece is placed through the hanging tool and the tray, so that the placement stability and reliability of the large workpiece are improved, the problem of safety caused by shaking or even tilting of the workpiece is avoided, meanwhile, the power is supplied to the workpiece through the electrode column and the spring, when the hanging tool is lifted, the tray is automatically separated from the electrode column, the workpiece is not connected with the electrode column, the power supply is cut off, and the safety accident caused by tilting of the workpiece is avoided.

Description

Electrolytic device for magnesium alloy micro-arc oxidation

Technical Field

The utility model relates to the technical field of micro-arc oxidation, in particular to an electrolytic device for magnesium alloy micro-arc oxidation.

Background

Micro-arc oxidation, also known as plasma electrolytic oxidation, was developed based on anodic oxidation techniques, resulting in coatings that are superior to anodic oxidation. The micro-arc oxidation process mainly depends on the matching adjustment of electrolyte and electric parameters, and under the action of instantaneous high temperature and high pressure generated by arc discharge, a modified ceramic coating which takes matrix metal oxide as a main component and is assisted by electrolyte component grows on the surfaces of valve metals such as aluminum, magnesium, titanium and the like, and the corrosion resistance and the wear resistance of the modified ceramic coating are obviously superior to those of the traditional anodic oxidation coating, so that the modified ceramic coating has been widely focused on the application on marine ships and aviation components.

In the prior art, a small workpiece to be machined is suspended and fixed through a hanger and is placed in an electrolyte tank, the electrolyte and the workpiece are respectively connected with the anode and the cathode of a power supply, high-voltage electricity is used for micro-arc oxidation machining, when micro-arc oxidation is needed to be carried out on a large workpiece, the hanger has limited bearing capacity, the workpiece is directly connected with the power supply, certain dangers exist, the carrying is inconvenient, and the safety of operators is easily endangered.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an electrolytic device for magnesium alloy micro-arc oxidation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the electrolytic device for magnesium alloy micro-arc oxidation comprises an electrolytic cell, wherein an electrode plate is arranged on the inner side of the electrolytic cell, a hanging tool is arranged on the inner side of the electrode plate, a tray is arranged at the bottom of the hanging tool, a power supply box is arranged on one side of the electrolytic cell, and a drain valve is arranged on one side of the bottom of the electrolytic cell;

the bottom of the electrolytic cell is provided with an electrode column, the upper side of the electrode column is provided with a spring, the spring is propped against the tray, and the electrode plate and the electrode column are electrically connected with the power supply box.

Preferably, the electrode plate is adapted to the inner wall of the electrolytic cell, a limiting block corresponding to the electrode plate is arranged at the bottom of the inner wall of the electrolytic cell, a hanging frame corresponding to the electrolytic cell is arranged at the top of the hanging tool, and a hanging ring is arranged on the hanging frame.

Preferably, the hanger is detachably connected with the electrolytic cell, and the tray is detachably connected with the hanger.

Preferably, the electrolytic cell is filled with electrolyte, the drain valve is communicated with the inside of the electrolytic cell, and one side of the drain valve is connected with a heat dissipation recovery assembly.

Preferably, the electrode column is electrically connected with the tray through a spring.

Preferably, the electrolytic cell is made of stainless steel, the surface of the electrolytic cell is covered with a polyvinyl chloride protective layer, the hanger is made of polypropylene, and a cooling water cavity is formed in the side wall of the electrolytic cell.

The beneficial effects of the utility model are as follows:

compared with the prior art, the workpiece is placed through the hanging tool and the tray, so that the placement stability and reliability of the large workpiece are improved, the problem of safety caused by shaking or even dumping of the workpiece is avoided, meanwhile, the power is supplied to the workpiece through the electrode column and the spring, when the hanging tool is lifted, the tray is separated from the electrode column, the workpiece is not connected with the electrode column, the power supply is cut off, and the safety accident caused by dumping of the workpiece is avoided.

Drawings

FIG. 1 is a schematic three-dimensional structure of an electrolytic device for magnesium alloy micro-arc oxidation;

FIG. 2 is a schematic diagram of a schematic cross-sectional front view of an electrolytic device for micro-arc oxidation of magnesium alloy according to the present utility model;

fig. 3 is a schematic diagram of the structure at a in fig. 2.

In the figure: 1. an electrolytic cell; 2. an electrode plate; 3. a hanging tool; 4. a hanging ring; 5. a power box; 6. a drain valve; 7. a tray; 8. an electrode column; 81. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to figures 1-3, an electrolytic device for magnesium alloy micro-arc oxidation comprises an electrolytic cell 1, wherein an electrode plate 2 is arranged on the inner side of the electrolytic cell 1, the electrode plate 2 is matched with the inner wall of the electrolytic cell 1, a limiting block corresponding to the electrode plate 2 is fixedly arranged at the bottom of the inner wall of the electrolytic cell 1, the electrode plate 2 is detachably connected with the electrolytic cell 1, a hanging tool 3 is arranged on the inner side of the electrode plate 2, a hanging frame corresponding to the electrolytic cell 1 is arranged at the top of the hanging tool 3, the hanging tool 3 is hung above the electrolytic cell 1 through the hanging frame, a hanging ring 4 is arranged on the hanging frame, the hanging ring 4 is used for connecting a hook of a crane, the hanging tool 3 is convenient to lift and convey, a tray 7 is arranged at the bottom of the hanging tool 3, the tray 7 is used for placing a workpiece to be processed, the tray 7 is detachably connected with the hanging tool 3, the tray 7 is convenient to be periodically replaced, the maintenance tray 7 and the hanging tool 3 are convenient to detach, the power supply box 5 is arranged on one side of the electrolytic cell 1, the power supply box 5 provides a micro-arc oxidation power supply, the drain valve 6 is arranged on one side of the bottom of the electrolytic cell 1, electrolyte is filled in the electrolytic cell 1, the electrolyte comprises an acidic electrolyte and an alkaline electrolyte, the alkaline electrolyte system comprises a silicate system, a phosphate system, an aluminate system and the like, the electrolyte is used for improving the growth rate and compactness of a film layer or generating a functional film layer, the micro-arc oxidation treatment is carried out by selecting a proper electrolyte system according to the type of a matrix material, the drain valve 6 is communicated with the inside of the electrolytic cell 1, one side of the drain valve 6 is connected with a heat dissipation recovery component, the heat dissipation recovery component comprises a radiator, a circulating pump and a recovery box, the heat dissipation recovery component is used for cooling and recovering the electrolyte, controlling the temperature of the electrolyte in the electrolytic cell 1 and simultaneously effectively recycling the electrolyte, the electrolyte loss is reduced;

the bottom of the electrolytic cell 1 is provided with an electrode column 8, the upper side of the electrode column 8 is provided with a spring 81, the spring 81 is propped against the tray 7, the electrode plate 2 and the electrode column 8 are electrically connected with the power supply box 5, the electrode column 8 is electrically connected with the tray 7 through the spring 81, the power supply box 5 supplies power to the electrolyte through the electrode plate 2 and the electrode column 8, and the workpiece is promoted to be subjected to micro-arc oxidation processing.

The electrolytic cell 1 is made of stainless steel, the strength of the whole structure is improved, the surface of the electrolytic cell 1 is covered with a polyvinyl chloride protective layer, insulation protection is achieved, electric leakage is avoided, accidents are caused, the hanger 3 is made of polypropylene, the tray 7 is made of aluminum or aluminum alloy, a cooling water cavity is formed in the side wall of the electrolytic cell 1, and a cooler and a water pump are connected to one side of the cooling water cavity and used for controlling the temperature of electrolyte.

Working principle:

the workpiece is placed on a tray 7 at the bottom of the hanger 3, the hanger 3 sinks the workpiece into the electrolytic cell 1, the workpiece is soaked in electrolyte, the electrode column 8 is electrically connected with the tray 7 through a spring 81, the workpiece is electrified in contact with the tray 7, the power supply box 5 provides a micro-arc oxidation power supply for the electrode plate 2 and the electrode column 8, the micro-arc oxidation power supply applies voltage on the workpiece, so that metal on the surface of the workpiece interacts with electrolyte solution, and under the action of instantaneous high temperature and high pressure generated by arc discharge, a modified ceramic coating which takes matrix metal oxide as a main component and is assisted with electrolyte component grows on the surface of the magnesium alloy workpiece, so that good corrosion resistance and wear resistance are obtained.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electrolytic device for magnesium alloy micro-arc oxidation, includes electrolytic cell (1), its characterized in that, electrolytic cell (1) inboard is equipped with electrode plate (2), electrode plate (2) inboard is equipped with hanger (3), hanger (3) bottom is equipped with tray (7), electrolytic cell (1) one side is equipped with power box (5), electrolytic cell (1) bottom one side is equipped with drain valve (6);

the electrolytic cell is characterized in that an electrode column (8) is arranged at the bottom of the electrolytic cell (1), a spring (81) is arranged on the upper side of the electrode column (8), the spring (81) is propped against the tray (7), and the electrode plate (2) and the electrode column (8) are electrically connected with the power supply box (5).

2. The electrolytic device for magnesium alloy micro-arc oxidation according to claim 1, wherein the electrode plate (2) is matched with the inner wall of the electrolytic cell (1), a limiting block corresponding to the electrode plate (2) is arranged at the bottom of the inner wall of the electrolytic cell (1), a hanging frame corresponding to the electrolytic cell (1) is arranged at the top of the hanging tool (3), and a hanging ring (4) is arranged on the hanging frame.

3. The electrolytic device for magnesium alloy micro-arc oxidation according to claim 2, wherein the hanger (3) is detachably connected with the electrolytic cell (1), and the tray (7) is detachably connected with the hanger (3).

4. The electrolytic device for magnesium alloy micro-arc oxidation according to claim 1, wherein the electrolytic cell (1) is filled with electrolyte, the drain valve (6) is communicated with the inside of the electrolytic cell (1), and one side of the drain valve (6) is connected with a heat dissipation recovery assembly.

5. The electrolytic device for magnesium alloy micro-arc oxidation according to claim 1, wherein the electrode column (8) is electrically connected with the tray (7) through a spring (81).

6. The electrolytic device for magnesium alloy micro-arc oxidation according to claim 1, wherein the electrolytic cell (1) is made of stainless steel, a polyvinyl chloride protective layer is covered on the surface of the electrolytic cell (1), the hanger (3) is made of polypropylene, and a cooling water cavity is formed in the side wall of the electrolytic cell (1).