Wire oxidation treatment device

Abstract

A wire oxidation treatment device includes an electrolyte cell 1 and an electrolyte cell 2, wherein the electrolyte cell 1 and the electrolyte cell 2 contain electrolyte. It also includes two cylindrical electrodes, which are respectively located in the electrolyte in the electrolyte cell 1 and the electrolyte cell 2, wherein the electrolyte cell 1 and the electrolyte cell 2 are made of insulating material, and the wire to be treated passes through the two electrolyte cells along the axis of the two cylindrical electrodes, and the two cylindrical electrodes are respectively electrically connected to the two poles of a thermoelectrochemical oxidation power source. The device of the present invention can perform continuous thermoelectrochemical oxidation treatment on the wire, and is suitable for industrial-scale production. When performing thermoelectrochemical oxidation treatment, the conductor wire passes through the cylindrical central axis, and each area on the wire is at an equal distance from the electrode, which helps to form a more uniform coating on the wire.

Description

[0001] This application is a divisional application. The filing date of the original application is December 31, 2021. The application number is 202111669541X. The name of the invention is conductor wire surface treatment method. Technical Field

[0002] The invention relates to the technical field of surface treatment, and in particular to a device for performing thermal electrochemical oxidation treatment on a conductor wire. Background Art

[0003] Thermoelectrochemical oxidation uses a relatively high working voltage, with the valve metal workpiece as the anode and the electrolytic cell as the cathode. A special power supply is used to apply voltage to the cathode and anode, and the working area of ​​the voltage is introduced from the Faraday area of ​​the ordinary anodic oxidation method to the high-voltage discharge area. The instantaneous high temperature and high pressure generated by the arc discharge causes the reaction on the anode to cause corona, glow, micro-arc discharge, and even spark spots to appear on the surface of the valve metal workpiece, forming a dense oxide ceramic film / layer in situ on the valve metal surface, thereby achieving surface modification and strengthening of the workpiece. Existing technologies for thermoelectrochemical oxidation treatment of conductor wires are mostly at the stage of research and demonstration and sample trial production, and cannot yet achieve large-scale industrial production. Summary of the invention

[0004] The object of the present invention is to provide a device capable of carrying out large-scale industrial thermo-electrochemical oxidation treatment on conductor wires.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows:

[0006] A conductor wire surface treatment method comprises the following steps:

[0007] Injecting electrolyte into electrolytic cell 1 and electrolytic cell 2, and electrically connecting the electrolyte in electrolytic cell 1 and electrolytic cell 2 to two electrodes of a power source respectively;

[0008] One end of the conductor wire to be processed is wound on the unwinding device, and the other end of the conductor wire is passed through the electrolyte in the first electrolytic cell and the second electrolytic cell and then wound on the winding device;

[0009] The unwinding device and the rewinding device are turned on to allow the conductor wire to be processed to pass through the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 at a certain speed;

[0010] Turn on the power supply, and the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 conducts electricity through the conductor wire to be processed to form a loop with the power supply, so that the conductor wire to be processed undergoes anodic oxidation, micro-arc oxidation or thermo-electrochemical oxidation when passing through the electrolyte.

[0011] Furthermore, the power supply is a direct current, a single-phase pulse, an alternating current, an asymmetric alternating current or a bidirectional asymmetric pulse power supply.

[0012] Furthermore, the method of passing the conductor wire through the electrolyte is one of the following methods:

[0013] Method a: A through hole is opened on the side wall of electrolytic cell 1 and electrolytic cell 2 and sealed with a sealing plug. The sealing plug is made of a material with a certain elasticity such as silicone. After the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plug is located below the electrolyte level, and the conductor wire passes through the sealing plugs on the side wall of electrolytic cell 1 and electrolytic cell 2 in sequence;

[0014] Method b: a plurality of rollers are arranged, wherein at least two rollers are immersed in the electrolyte in electrolytic cell one and electrolytic cell two respectively, and at least one roller is located between electrolyte cell one and electrolyte cell two, so that the conductor wire to be processed bypasses the rollers and bypasses from the lower part of the rollers in the electrolyte cell and the upper part of the rollers between electrolytic cell one and electrolyte cell two, and the conductor wire to be processed passes through the electrolyte when passing through the rollers in electrolytic cell one and electrolytic cell two.

[0015] Furthermore, the roller setting method in the second method is one of the following methods:

[0016] Method c: A frame is erected around the first and second electrolytic cells, and the bearing seats at both ends of the roller are fixed on the frame, and the bearing seat of the roller between the first and second electrolytic cells is higher than the bearing seat of the roller between the first and second electrolytic cells in the vertical position;

[0017] Method d: A bracket is set up between electrolytic cell 1 and electrolytic cell 2, spanning the upper edges of electrolytic cell 1 and electrolytic cell 2; the bearing seat of the roller between electrolytic cell 1 and electrolyte 2 is fixed on the bracket; the bearing seats of the rollers in electrolytic cell 1 and electrolytic cell 2 are respectively fixed on the upper edges of the side walls of electrolytic cell 1 and electrolytic cell 2.

[0018] Furthermore, the method of electrically connecting the electrolyte to the two electrodes of the power supply is one of the following methods:

[0019] Method e:

[0020] Passing the conductor wire through the electrolyte by the method a;

[0021] Cylindrical electrolytic cell 1 and electrolytic cell 2 are made of stainless steel, both ends of electrolytic cell 1 and electrolytic cell 2 are sealed with insulating end caps, a through hole is opened in the center of the insulating end cap, a sealing plug is installed on the through hole, the conductor wire to be processed passes through the sealing plug along the axis of the cylinder, and the outer walls of electrolytic cell 1 and electrolytic cell 2 are respectively connected to the two poles of the power supply through the wire;

[0022] Method f:

[0023] Passing the conductor wire through the electrolyte by the method a;

[0024] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material such as PVC, through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs, and when electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the electrolyte level; a cylindrical electrode is placed in each of electrolytic cell 1 and electrolytic cell 2, and the conductor wire passes through the sealing plugs on the side walls of electrolytic cell 1 and electrolytic cell 2 and passes through the two electrodes along the cylindrical axis; the two cylindrical electrodes are respectively connected to the two poles of the power supply through wires;

[0025] Method g:

[0026] Passing the conductor wire through the electrolyte by the method a;

[0027] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material such as PVC, through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs, and when the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the liquid level of the electrolyte;

[0028] Two parallel electrode plates or two symmetrical arc plates are placed in the electrolyte cell one and the electrolyte cell two, so that the conductor wire to be processed passes through the sealing plugs on the side walls of the electrolytic cell one and the electrolytic cell two and passes through the electrolyte from the middle of the parallel electrode plates or the opposite arc plates, and the distance between the conductor wire to be processed and the two electrode plates or arc plates is equal;

[0029] Method h:

[0030] Passing the conductor wire through the electrolyte by the method b;

[0031] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material, and an electrode plate is placed at the bottom of each of the electrolytic cell 1 and electrolytic cell 2. The electrode plates are respectively located under the rollers in the electrolytic cell 1 and electrolytic cell 2, and the electrode plates in the electrolytic cell 1 and electrolytic cell 2 are respectively connected to the two poles of the power supply.

[0032] Furthermore, the method further comprises the steps of:

[0033] A plurality of water inlets and water outlets are provided on the bottom or side walls of the electrolytic cell 1 and the electrolytic cell 2, and the water inlet and water outlet on the electrolytic cell 1 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 1, and the water inlet and water outlet on the electrolytic cell 2 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 2, and the electrolyte circulation system 1 and the electrolyte circulation system 2 are independent of each other.

[0034] Compared with the prior art, the beneficial technical effects of the present invention are:

[0035] The method of the present invention can perform continuous anodic oxidation / micro-arc oxidation / thermal electrochemical oxidation treatment on conductor wires, and is suitable for industrial-scale production. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 is a schematic diagram of the structure of the device in Example 1 of the present invention;

[0037] Figure 2 is a schematic diagram of the structure of the device in Example 2 of the present invention;

[0038] Figure 3 is a schematic structural diagram of a cylindrical electrode in the device of Example 3 of the present invention;

[0039] Figure 4 is a top view of the device in Example 3 of the present invention;

[0040] Figure 5 is a schematic diagram of the relative positions of the electrolyte pool and the cylindrical electrode in Example 4 of the present invention;

[0041] Figure 6 is a cross-sectional view of the device in Example 4 of the present invention;

[0042] Figure 7 is a cross-sectional view of the device in Example 4 of the present invention;

[0043] Figure 8 is a top view of the device in Example 5 of the present invention;

[0044] Fig. 9 is a top view of the device in Example 6 of the present invention;

[0045] Fig.10 yes Fig. 9 AA section view;

[0046] Fig.11 is a top view of the device in Example 7 of the present invention;

[0047] Fig.12 yes Figure 7 AA section view. DETAILED DESCRIPTION

[0048] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0049] Example 1

[0050] A conductor wire surface treatment method comprises the following steps:

[0051] Injecting electrolyte into electrolytic cell 1 and electrolytic cell 2, and electrically connecting the electrolyte in electrolytic cell 1 and electrolytic cell 2 to two electrodes of a power source respectively;

[0052] One end of the conductor wire to be processed is wound on the unwinding device, and the other end of the conductor wire is passed through the electrolyte in the first electrolytic cell and the second electrolytic cell and then wound on the winding device;

[0053] The unwinding device and the rewinding device are turned on to allow the conductor wire to be processed to pass through the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 at a certain speed;

[0054] Turn on the power supply, and the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 conducts electricity through the conductor wire to be processed to form a loop with the power supply, so that the conductor wire to be processed undergoes anodic oxidation, micro-arc oxidation or thermo-electrochemical oxidation when passing through the electrolyte.

[0055] Preferably, the power source is an AC power source.

[0056] Preferably, the method of passing the conductor wire through the electrolyte is:

[0057] Through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs. The sealing plugs are made of a material with a certain elasticity such as silicone. When the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the electrolyte level, and the conductor wires pass through the sealing plugs on the side walls of electrolytic cell 1 and electrolytic cell 2 in sequence;

[0058] Preferably, the method of electrically connecting the electrolyte to the two electrodes of the power supply is:

[0059] Cylindrical electrolytic cell 1 and electrolytic cell 2 are made of stainless steel. Both ends of electrolytic cell 1 and electrolytic cell 2 are sealed with insulating end covers, and a through hole is opened in the center of the insulating end cover. A sealing plug is installed on the through hole, so that the conductor wire to be processed passes through the sealing plug along the axis of the cylinder, and the outer walls of electrolytic cell 1 and electrolytic cell 2 are respectively connected to the two poles of the power supply through wires.

[0060] Figure 1The device part used in the above method is shown, including a cylindrical electrolytic cell 1 2 and an electrolytic cell 2 5. The electrolytic cell is sometimes also called an electrolytic cell, which is in the shape of a hollow cylinder. Electrolytic cell 1 2 and electrolytic cell 2 5 contain electrolyte, a winding system is arranged in front of the conductor wire's traveling direction, and an unwinding system is arranged in the rear. The conductor wire 1 to be processed passes through the electrolyte in electrolytic cell 1 2 and electrolytic cell 2 5 along the axis of the cylinder under the traction of the winding system. The cylindrical electrolytic cell 1 2 and electrolytic cell 2 5 are made of stainless steel, with insulating end caps 3 at both ends. The insulating end caps 3 are PVC circular plates, and a sealing plug 4 is installed in the center of the circular plate. The sealing plug 4 has a through hole in the middle, and the conductor wire 1 to be processed passes through the through hole in the sealing plug 4. The through hole in the middle of the sealing plug 4 can be set to a circular, elliptical, oblate, strip, etc. according to the cross-sectional shape of the conductor wire. The significance of the conductor wire 1 to be processed passing through the central axis of the cylindrical electrolytic cell is to make the distance between each area on the conductor wire and the electrode equal, so as to avoid uneven thickness of the coating formed by uneven current. In order to ensure that the conductor wire 1 moves along the cylindrical axis, a necessary guiding device is set between the unwinding system and the electrolyte pool (the specific setting method can refer to patent CN2020115517571). Electrolytic cell 1 2 and electrolytic cell 2 5 are connected to the thermoelectrochemical oxidation power supply through a wire to form two electrodes, and the electrolytic cell 1 2, electrolytic cell 2 5, electrolyte and thermoelectrochemical oxidation power supply form a loop through the conductor wire 1 to be processed itself. Thermoelectrochemical oxidation occurs when the conductor wire 1 to be processed passes through electrolytic cell 1 2 (first electrolytic cell) and electrolytic cell 2 5 (second electrolytic cell) as a workpiece. The thermoelectrochemical oxidation power supply is a DC, single-phase pulse, AC, asymmetric AC or bidirectional asymmetric pulse power supply. Preferably, the thermoelectrochemical oxidation power supply is an AC, asymmetric AC or bidirectional asymmetric pulse power supply. The electrolyte is a silicate system, including potassium hydroxide, sodium silicate, and deionized water. The concentration range of potassium hydroxide is 0.5g / L-10g / L, and the concentration range of sodium silicate is 1g / L-30g / L.

[0061] Example 2

[0062] The method of this embodiment is different from that of Embodiment 1 in that it further comprises the steps of:

[0063] A plurality of water inlets and water outlets are provided on the bottom or side walls of the electrolytic cell 1 and the electrolytic cell 2, and the water inlet and water outlet on the electrolytic cell 1 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 1, and the water inlet and water outlet on the electrolytic cell 2 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 2, and the electrolyte circulation system 1 and the electrolyte circulation system 2 are independent of each other.

[0064] The device part corresponding to the method of this embodiment is as follows Figure 2As shown, the insulating end caps of the cylindrical electrolytic cell 1 2 and the electrolytic cell 2 5 also have a water inlet 6 and a water outlet 7, and the water inlet 6 and the water outlet 7 of the electrolytic cell 1 2 and the electrolytic cell 2 5 are respectively connected to the water outlet pipe and the water inlet pipe of two independent electrolyte circulation systems, that is, the electrolytes in the electrolytic cell 1 2 and the electrolytic cell 2 5 are independently circulated and not connected. The excess heat generated by the thermoelectrochemical oxidation can be taken out through the electrolyte through the electrolyte circulation system.

[0065] Example 3

[0066] A conductor wire surface treatment method comprises the following steps:

[0067] Injecting electrolyte into electrolytic cell 1 and electrolytic cell 2, and electrically connecting the electrolyte in electrolytic cell 1 and electrolytic cell 2 to two electrodes of a power source respectively;

[0068] One end of the conductor wire to be processed is wound on the unwinding device, and the other end of the conductor wire is passed through the electrolyte in the first electrolytic cell and the second electrolytic cell and then wound on the winding device;

[0069] The unwinding device and the rewinding device are turned on to allow the conductor wire to be processed to pass through the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 at a certain speed;

[0070] Turn on the power supply, and the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 conducts electricity through the conductor wire to be processed to form a loop with the power supply, so that the conductor wire to be processed undergoes anodic oxidation, micro-arc oxidation or thermo-electrochemical oxidation when passing through the electrolyte.

[0071] Preferably, the power supply is a bidirectional asymmetric pulse power supply.

[0072] Preferably, the method of passing the conductor wire through the electrolyte is:

[0073] Through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs. The sealing plugs are made of a material with a certain elasticity such as silicone. When the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the electrolyte level, and the conductor wires pass through the sealing plugs on the side walls of electrolytic cell 1 and electrolytic cell 2 in sequence;

[0074] Preferably, the method of electrically connecting the electrolyte to the two electrodes of the power supply is:

[0075] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material such as PVC, through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs, and when electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the electrolyte level; a cylindrical electrode is placed in each of electrolytic cell 1 and electrolytic cell 2, and the conductor wire passes through the sealing plugs on the side walls of electrolytic cell 1 and electrolytic cell 2 and passes through the two electrodes along the cylindrical axis; the two cylindrical electrodes are respectively connected to the two poles of the power supply through wires;

[0076] Preferably, the method further comprises the steps of:

[0077] A plurality of water inlets and water outlets are provided on the bottom or side walls of the electrolytic cell 1 and the electrolytic cell 2, and the water inlet and water outlet on the electrolytic cell 1 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 1, and the water inlet and water outlet on the electrolytic cell 2 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 2, and the electrolyte circulation system 1 and the electrolyte circulation system 2 are independent of each other.

[0078] The device parts used in this embodiment are as follows Figure 3 and 4 As shown, it includes an electrolytic cell 1 2 and an electrolytic cell 2 5, wherein the electrolytic cell 1 2 and the electrolytic cell 2 5 have electrolyte, a cylindrical electrode 1 8 is placed in the electrolytic cell 1 2, and a cylindrical electrode 2 9 is placed in the electrolytic cell 2 5, and the cylindrical electrodes (8, 9) are immersed in the electrolyte. The cylindrical electrodes (8, 9) are fixed in the electrolyte pool (2, 5) through the crossbeam above the electrolytic cell or the base at the bottom thereof. The electrolytic cell (2, 5) is made of insulating plastic material, and the cylindrical electrodes (8, 9) are made of stainless steel. The conductor wire 1 to be processed passes through the electrolyte pool along the axis of the cylindrical electrode (8, 9), and the two cylindrical electrodes (8, 9) are connected to the thermoelectrochemical oxidation power supply through a wire, so that the electrolytic cell 1 2, the electrolytic cell 2 5, the electrolyte and the thermoelectrochemical oxidation power supply form a loop through the conductor wire 1 to be processed itself. The side walls of electrolytic cell 1 2 and electrolytic cell 2 5 are also provided with sealing plugs, and their functions and settings are similar to those of Example 1. Similarly, during long-term continuous production, water inlets and outlets can be added to the electrolyte cell to connect to two independent electrolyte circulation systems to keep the electrolyte at a low temperature.

[0079] Example 4

[0080] The method of this embodiment is the same as that of embodiment 3, except that the device used is: Figure 5 , 6 7 show the device part of this embodiment, which is different from the electrolyte pool in embodiment 3 in that the electrolyte pool (2, 5) is cylindrical, and the cylindrical electrodes (8, 9) and the cylindrical electrolyte pool (2, 5) are coaxially fixed through the strips 10 at both ends, wherein the upper strip 10 is a stainless steel strip 11, one end of the stainless steel strip 11 extends out of the electrolyte pool (2, 5) and is connected to the wire, and the other end of the stainless steel strip 11 is connected to the cylindrical electrode (8, 9) by screw connection or welding. The two ends of the electrolyte pool (2, 5) are provided with water inlets and outlets connected to the electrolyte circulation system.

[0081] Example 5

[0082] The method of this embodiment is different from that of embodiment 3 in that the electrolyte 1 and the electrolytic cell 2 are not arranged along a straight line. Figure 8 As shown, a roller is also arranged between the two electrolytic cells, and the conductor wire to be processed is wound on the roller. The moving direction of the conductor wire 1 can be adjusted by the roller to make the setting position of the electrolyte cell more flexible. The outer edge of the roller is arranged to have a V-shaped groove, a trapezoidal groove, an arc groove, etc. according to the cross section of the conductor wire. When the conductor wire is in the form of a thin sheet, the roller is cylindrical.

[0083] Example 6

[0084] A conductor wire surface treatment method comprises the following steps:

[0085] Injecting electrolyte into electrolytic cell 1 and electrolytic cell 2, and electrically connecting the electrolyte in electrolytic cell 1 and electrolytic cell 2 to two electrodes of a power source respectively;

[0086] One end of the conductor wire to be processed is wound on the unwinding device, and the other end of the conductor wire is passed through the electrolyte in the first electrolytic cell and the second electrolytic cell and then wound on the winding device;

[0087] The unwinding device and the rewinding device are turned on to allow the conductor wire to be processed to pass through the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 at a certain speed;

[0088] Turn on the power supply, and the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 conducts electricity through the conductor wire to be processed to form a loop with the power supply, so that the conductor wire to be processed undergoes anodic oxidation, micro-arc oxidation or thermo-electrochemical oxidation when passing through the electrolyte.

[0089] Preferably, the power supply is an asymmetric AC power supply.

[0090] Preferably, the method of passing the conductor wire through the electrolyte is:

[0091] A plurality of rollers are provided, wherein at least two rollers are immersed in the electrolyte in electrolytic cell one and electrolytic cell two respectively, and at least one roller is located between electrolyte cell one and electrolyte cell two, so that the conductor wire to be processed bypasses the rollers and bypasses from the lower part of the rollers in the electrolyte cell and the upper part of the rollers between electrolytic cell one and electrolyte cell two, and the conductor wire to be processed passes through the electrolyte when passing through the rollers in electrolytic cell one and electrolytic cell two.

[0092] Preferably, the roller setting method is one of the following methods:

[0093] Method c: A frame is erected around the first and second electrolytic cells, and the bearing seats at both ends of the roller are fixed on the frame, and the bearing seat of the roller between the first and second electrolytic cells is higher than the bearing seat of the roller between the first and second electrolytic cells in the vertical position;

[0094] Method d: A bracket is set up between electrolytic cell 1 and electrolytic cell 2, spanning the upper edges of electrolytic cell 1 and electrolytic cell 2; the bearing seat of the roller between electrolytic cell 1 and electrolyte 2 is fixed on the bracket; the bearing seats of the rollers in electrolytic cell 1 and electrolytic cell 2 are respectively fixed on the upper edges of the side walls of electrolytic cell 1 and electrolytic cell 2.

[0095] Preferably, the method of electrically connecting the electrolyte to the two electrodes of the power supply is:

[0096] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material, and an electrode plate is placed at the bottom of each of the electrolytic cell 1 and electrolytic cell 2. The electrode plates are respectively located under the rollers in the electrolytic cell 1 and electrolytic cell 2, and the electrode plates in the electrolytic cell 1 and electrolytic cell 2 are respectively connected to the two poles of the power supply.

[0097] Furthermore, the method further comprises the steps of:

[0098] A plurality of water inlets and outlets are provided on the bottom or side walls of the electrolytic cell 1 and the electrolytic cell 2, the water inlet and outlet on the electrolytic cell 1 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 1, the water inlet and outlet on the electrolytic cell 2 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 2, and the electrolyte circulation system 1 and the electrolyte circulation system 2 are independent of each other.

[0099] The device used in the method of this embodiment is as follows Fig. 9 and 10 As shown, two rollers 12 are immersed in the electrolyte in the electrolytic cell 1 2 and the electrolytic cell 2 5 respectively to make the conductor wire 1 to be treated pass through the electrolyte in the electrolytic cell 1 2 and the electrolytic cell 2 5. A flat plate electrode 13 is also placed horizontally in the electrolytic cell 1 2 and the electrolytic cell 2 5. The four corners of the flat plate electrode 13 are fixed to the bottom of the electrolytic cell (2, 5) through four support columns 14, one of which is a conductor and one end of which extends out of the electrolytic cell (2, 5) and is connected to the power supply through a wire, and the other end is welded or screwed to the flat plate electrode 13. This method is particularly suitable for thermal electrochemical oxidation treatment of thin sheet-like conductor wires such as aluminum foil, but this method can only make the side of the aluminum foil facing the flat plate electrode 13 grow a relatively uniform ceramic layer, and the ceramic layer grown on the side facing away from the flat plate electrode 13 is less uniform.

[0100] Example 7

[0101] A conductor wire surface treatment method comprises the following steps:

[0102] Injecting electrolyte into electrolytic cell 1 and electrolytic cell 2, and electrically connecting the electrolyte in electrolytic cell 1 and electrolytic cell 2 to two electrodes of a power source respectively;

[0103] One end of the conductor wire to be processed is wound on the unwinding device, and the other end of the conductor wire is passed through the electrolyte in the first electrolytic cell and the second electrolytic cell and then wound on the winding device;

[0104] The unwinding device and the rewinding device are turned on to allow the conductor wire to be processed to pass through the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 at a certain speed;

[0105] Turn on the power supply, and the electrolyte in the electrolytic cell 1 and the electrolytic cell 2 conducts electricity through the conductor wire to be processed to form a loop with the power supply, so that the conductor wire to be processed undergoes anodic oxidation, micro-arc oxidation or thermo-electrochemical oxidation when passing through the electrolyte.

[0106] Preferably, the power source is an AC power source.

[0107] Preferably, the method of passing the conductor wire through the electrolyte is:

[0108] Through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs. The sealing plugs are made of a material with a certain elasticity such as silicone. When the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the electrolyte level, and the conductor wires pass through the sealing plugs on the side walls of electrolytic cell 1 and electrolytic cell 2 in sequence;

[0109] Preferably, the method of electrically connecting the electrolyte to the two electrodes of the power supply is:

[0110] Electrolytic cell 1 and electrolytic cell 2 are made of insulating material such as PVC, through holes are opened on the side walls of electrolytic cell 1 and electrolytic cell 2 and sealed with sealing plugs, and when the electrolyte is injected into electrolytic cell 1 and electrolytic cell 2, the sealing plugs are located below the liquid level of the electrolyte;

[0111] Two parallel electrode plates or two symmetrical arc plates are placed in the electrolyte cell one and the electrolyte cell two, so that the conductor wire to be processed passes through the sealing plugs on the side walls of the electrolytic cell one and the electrolytic cell two and passes through the electrolyte from the middle of the parallel electrode plates or the opposite arc plates, and the distance between the conductor wire to be processed and the two electrode plates or arc plates is equal;

[0112] Preferably, the method further comprises the steps of:

[0113] A plurality of water inlets and water outlets are provided on the bottom or side walls of the electrolytic cell 1 and the electrolytic cell 2, and the water inlet and water outlet on the electrolytic cell 1 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 1, and the water inlet and water outlet on the electrolytic cell 2 are respectively connected to the water outlet pipe and water inlet pipe of the electrolyte circulation system 2, and the electrolyte circulation system 1 and the electrolyte circulation system 2 are independent of each other.

[0114] Fig.11 and 12The device part of the method of this embodiment is shown. The device used in this embodiment is different from that in embodiment 3 in that the electrodes placed in the electrolyte pool (2, 5) are two parallel electrode plates 15, whose four corners are fixed in the electrolyte pool (2, 5) by four pillars 16, one of which is a conductor, and one end of which extends out of the electrolytic pool (2, 5) and is connected to the power supply through a wire, and the two parallel electrode plates 15 are welded or screwed to the pillars. The electrode plates 15 and the conductive pillars are both made of stainless steel. The conductor wire 1 to be treated passes through the electrolyte from the middle of the parallel electrode plates 15, and the distance between the conductor wire 1 to be treated and the two parallel electrode plates 15 is equal. Such parallel electrode plates 15 are particularly suitable for thermal electrochemical oxidation treatment of thin sheet-like conductor wires such as aluminum foil, and can grow a uniform ceramic layer on both sides of the aluminum foil.

[0115] In addition, it should be noted that the embodiments described above are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Claims

1. A wire oxidation treatment device, characterized in that: It comprises an electrolyte cell 1 and an electrolyte cell 2, wherein the electrolyte cell 1 and the electrolyte cell 2 contain electrolyte; It also includes two cylindrical electrodes, which are respectively located in the electrolyte in the first electrolyte pool and the second electrolyte pool, the first electrolyte pool and the second electrolyte pool are made of insulating materials, the wire to be treated passes through the two electrolyte pools along the axes of the two cylindrical electrodes, and the two cylindrical electrodes are respectively electrically connected to the two poles of the thermoelectrochemical oxidation power supply; The thermoelectrochemical oxidation power source is an AC, asymmetric AC or bidirectional asymmetric pulse power source. The two electrolyte cells alternately become anodes, so that the traveling conductor wire can be thermoelectrochemically oxidized in the two electrolyte cells.

2. A wire oxidation treatment device according to claim 1, characterized in that: The side walls of the electrolyte cell one and the electrolyte cell two are provided with sealing plugs, and the conductor wire to be processed passes through the sealing plugs on the electrolyte cell one and the electrolyte cell two at the same time.

3. A wire oxidation treatment device according to any one of claims 1 or 2, characterized in that: It also includes two independent electrolyte circulation systems. The electrolyte pool 1 and the electrolyte pool 2 are also provided with a water inlet and a water outlet. The electrolyte pool 1 and the electrolyte pool 2 are respectively connected to the two independent electrolyte circulation systems.

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