CN114197007A - Conductor wire thermoelectric chemical oxidation treatment device - Google Patents
Conductor wire thermoelectric chemical oxidation treatment device Download PDFInfo
- Publication number
- CN114197007A CN114197007A CN202111674775.3A CN202111674775A CN114197007A CN 114197007 A CN114197007 A CN 114197007A CN 202111674775 A CN202111674775 A CN 202111674775A CN 114197007 A CN114197007 A CN 114197007A
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- electrolytic cell
- conductor wire
- electrolyte
- chemical oxidation
- oxidation treatment
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
Abstract
The device for the thermoelectric chemical oxidation treatment of the conductor wire comprises a first electrolytic cell and a second electrolytic cell, wherein electrolyte is arranged in the first electrolytic cell and the second electrolytic cell, the conductor wire to be treated penetrates through the electrolyte in the first electrolytic cell and the electrolyte in the second electrolytic cell, and the electrolyte in the first electrolytic cell and the electrolyte in the second electrolytic cell are respectively electrically connected with two poles of a thermoelectric chemical oxidation power supply. The device can be used for carrying out continuous thermoelectric chemical oxidation treatment on the conductor wire and is suitable for industrial large-scale production. When the thermoelectric chemical oxidation treatment is carried out, the conductor wire passes through the center axis of the cylinder or the middle of the parallel electrode plates, and all areas on the conductor wire are equidistant from the electrodes, so that a more uniform coating is formed on the conductor wire.
Description
Technical Field
The invention relates to the technical field of surface treatment, in particular to a device for performing thermoelectric chemical oxidation treatment on a conductor wire.
Background
The thermoelectric chemical oxidation is a new surface treatment technology which develops rapidly at home and abroad in recent years, and is developed on the basis of anodic oxidation, namely microplasma oxidation, plasma thermoelectric chemical oxidation, plasma-enhanced electrochemical surface ceramization and the like. The thermoelectric chemical oxidation adopts higher working voltage to form a compact oxide ceramic film/layer on the surface of the valve metal in situ, thereby achieving the purpose of modifying and strengthening the surface of a workpiece. The prior technical literature about the thermoelectric chemical oxidation treatment of the conductor wire mostly stays in the stages of research demonstration and sample trial-manufacture experiment, and no device capable of realizing large-scale industrial production exists.
Disclosure of Invention
The invention aims to provide a device capable of carrying out large-scale industrialized thermal electrochemical oxidation treatment on a conductor wire.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the device for the thermoelectric chemical oxidation treatment of the conductor wire comprises a first electrolytic cell and a second electrolytic cell, wherein electrolyte is arranged in the first electrolytic cell and the second electrolytic cell, the conductor wire to be treated passes through the electrolyte in the first electrolytic cell and the second electrolytic cell under the traction of a traction device, and the electrolyte in the first electrolytic cell and the electrolyte in the second electrolytic cell are respectively and electrically connected with two poles of a thermoelectric chemical oxidation power supply.
Furthermore, the first electrolytic cell and the second electrolytic cell are two cylindrical electrodes, the cylindrical electrodes are hollow cylinders, the conductor wire to be processed penetrates through the electrolyte along the axis of the cylindrical electrodes, and the two cylindrical electrodes are electrically connected with two poles of a thermoelectric chemical oxidation power supply respectively.
Further, the two ends of the cylindrical electrode are provided with insulating end covers, and the conductor wire to be processed penetrates through the centers of the end covers.
Furthermore, a first sealing plug is arranged in the center of the insulating end cover, the conductor wire to be processed penetrates through the first sealing plug, a through hole is formed in the middle of the first sealing plug, and the through hole can be set to be circular, oval, oblate, strip-shaped and the like according to the cross section shape of the conductor wire. The first sealing plug is made of a material with certain elasticity, such as silica gel and the like.
And the cylindrical electrode is provided with a water inlet and a water outlet on the insulating end covers at two ends, and the water inlet and the water outlet are respectively connected with a water outlet pipe and a water inlet pipe of the electrolyte circulation system.
The wire of the conductor to be processed penetrates through the electrolytic bath along the axis of the cylindrical electrode, and the two cylindrical electrodes are electrically connected with two poles of a thermoelectric chemical oxidation power supply respectively.
Furthermore, the side walls of the first electrolytic cell and the second electrolytic cell which are opposite to each other are respectively provided with a sealing plug II, and the conductor wire to be processed simultaneously passes through the sealing plugs II on the first electrolytic cell and the second electrolytic cell.
Furthermore, the first electrolytic cell and the second electrolytic cell are provided with a beam, and the cylindrical electrode is fixed on the beam.
Furthermore, the first electrolytic cell and the second electrolytic cell are provided with bases, and the cylindrical electrodes are fixed on the bases.
Furthermore, the device also comprises a roller wheel, wherein the roller wheel is positioned between the first electrolytic cell and the second electrolytic cell, and the conductor wire to be processed is wound on the roller wheel. The traveling direction of the conductor wire can be adjusted by the roller. The outer edge of the roller can be provided with a V-shaped groove, a trapezoidal groove, an arc-shaped groove and the like according to the difference of the cross sections of the conductor wires, and the roller is cylindrical when the conductor wires are flaky.
Furthermore, the first electrolytic cell and the second electrolytic cell are also provided with a water inlet and a water outlet, and the first electrolytic cell and the second electrolytic cell are respectively connected with two independent electrolyte circulating systems.
Further, the thermoelectric chemical oxidation power supply is a direct current, monophasic pulse, alternating current, asymmetric alternating current or bidirectional asymmetric pulse power supply.
Further, the electrolyte adopts a silicate system, a borate system or an aluminate system.
Further, the temperature of the electrolyte is 10-50 ℃.
Furthermore, the device also comprises a traction device, and the conductor wire to be processed slides through the first electrolytic cell and the second electrolytic cell under the traction of the traction device.
Furthermore, the traction device is a conductor wire unwinding device and a winding device, the unwinding device and the winding device are respectively arranged at two ends of the electrolyte tank, and the winding device plays a role in traction at the same time.
Furthermore, an electrode plate is also placed in the electrolyte in the first electrolytic cell and the electrolyte in the second electrolytic cell, and when the flaky conductor wire is processed, the electrode plate and the flaky conductor wire are arranged in parallel, so that a more uniform coating can be formed on the flaky conductor wire.
Furthermore, the electrode plates in the first electrolyte tank and the second electrolyte tank are a single plane plate, a single arc plate, two parallel electrode plates or two symmetrical arc plates, the conductor wire to be processed penetrates through the electrolyte from the middle of the parallel electrode plates, and the distance between the conductor wire to be processed and the two parallel electrode plates is equal.
Compared with the prior art, the invention has the beneficial technical effects that:
the device can be used for carrying out continuous thermoelectric chemical oxidation treatment on the conductor wire and is suitable for industrial large-scale production. When the thermoelectric chemical oxidation treatment is carried out, the conductor wire passes through the center axis of the cylinder or the middle of the parallel electrode plates, and all areas on the conductor wire are equidistant from the electrodes, so that a more uniform coating is formed on the conductor wire.
Drawings
FIG. 1 is a schematic view of the structure of an apparatus in example 1 of the present invention;
FIG. 2 is a schematic view of the structure of an apparatus in example 2 of the present invention;
FIG. 3 is a schematic view of the structure of a cylindrical electrode in an apparatus in example 3 of the present invention;
FIG. 4 is a top view of the apparatus in example 3 of the present invention;
FIG. 5 is a schematic diagram showing the relative positions of the electrolytic solution cell and the cylindrical electrode in example 4 of the present invention;
FIG. 6 is a sectional view of the apparatus in example 4 of the present invention;
FIG. 7 is a cross-sectional view of an apparatus in example 4 of the present invention;
FIG. 8 is a top view of the apparatus in example 5 of the present invention;
FIG. 9 is a top view of the apparatus in example 6 of the present invention;
fig. 10 is a sectional view taken along line a-a of fig. 9.
The specific implementation mode is as follows:
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in FIG. 1, a device for the electrochemical oxidation treatment of a conductor wire comprises a first electrolytic cell 2 and a second electrolytic cell 5, wherein the electrolytic cells are also called electrolytic baths and are hollow cylinders. Electrolyte is arranged in the first electrolytic cell 2 and the second electrolytic cell 5, a winding system is arranged in front of the advancing direction of the conductor wire, an unwinding system is arranged at the rear of the advancing direction of the conductor wire, and the conductor wire 1 to be processed penetrates through the electrolyte in the first electrolytic cell 2 and the second electrolytic cell 5 along the cylindrical axis under the traction of the winding system. The first cylindrical electrolytic cell 2 and the second cylindrical electrolytic cell 5 are made of stainless steel, insulating end covers 3 are arranged at two ends of the first cylindrical electrolytic cell and the second cylindrical electrolytic cell, the insulating end covers 3 are PVC circular plates, a sealing plug 4 is arranged in the center of each circular plate, a through hole is formed in the middle of each sealing plug 4, and the conductor wire 1 to be processed penetrates through the through hole in each sealing plug 4. The through hole in the middle of the sealing plug 4 can be set into a circle, an ellipse, an oblate, a bar and the like according to the cross section of the conductor wire. The meaning of the conductor wire 1 to be treated passing through the central axis of the cylindrical electrolytic cell is that the distances between each area on the conductor wire and the electrodes are equal, and the coating thickness unevenness caused by the uneven current is avoided. In order to ensure that the conductor wire 1 runs along the axis of the cylinder, a necessary guiding device is arranged between the unwinding system and the electrolyte bath (refer to patent CN2020115517571 for a specific arrangement). The first electrolytic cell 2 and the second electrolytic cell 5 are connected with a thermoelectric chemical oxidation power supply through leads to form two electrodes, the first electrolytic cell 2, the second electrolytic cell 5, the electrolyte and the thermoelectric chemical oxidation power supply form a loop through the conductor wire 1 to be processed, and the conductor wire 1 to be processed is used as a workpiece to generate the thermoelectric chemical oxidation when passing through the first electrolytic cell 2 (a first electrolytic cell) and the second electrolytic cell 5 (a second electrolytic cell). The power supply for the electrochemical oxidation is a direct current, monophasic pulse, alternating current, asymmetric alternating current or bidirectional asymmetric pulse power supply, preferably an alternating current, asymmetric alternating current or bidirectional asymmetric pulse power supply, in which the two electrolytic cells alternately serve as anodes, so that the running conductor wire 1 can be subjected to the electrochemical oxidation in both electrolytic cells. The electrolyte is a silicate system, a borate system or an aluminate system, preferably an aluminate system.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that it further includes an electrolyte circulation system. The insulating end covers of the first cylindrical electrolytic cell 2 and the second cylindrical electrolytic cell 5 are also provided with a water inlet 6 and a water outlet 7, the water inlet 6 and the water outlet 7 of the first cylindrical electrolytic cell 2 and the second cylindrical electrolytic cell 5 are respectively connected with a water outlet pipe and a water inlet pipe of two independent electrolyte circulating systems, namely the electrolytes in the first cylindrical electrolytic cell 2 and the second cylindrical electrolytic cell 5 are independently circulated and not communicated. Because the electrolyte needs to be kept at a lower temperature (10-50 ℃) when the thermoelectric chemical oxidation is carried out, the electrolyte in the electrolytic cell in the embodiment 1 needs to be designed to be larger so that the electrolyte does not heat up too fast, which can cause higher energy consumption.
Example 3
As shown in figures 3 and 4, the device for the thermoelectric chemical oxidation treatment of the conductor wire comprises a first electrolytic cell 2 and a second electrolytic cell 5, wherein electrolyte is contained in the first electrolytic cell 2 and the second electrolytic cell 5, a first cylindrical electrode 8 is placed in the first electrolytic cell 2, a second cylindrical electrode 9 is placed in the second electrolytic cell 5, and the cylindrical electrodes (8 and 9) are immersed in the electrolyte. The cylindrical electrodes (8, 9) are fixed in the electrolytic bath (2, 5) by means of a cross beam above the electrolytic bath or a base at the bottom thereof. The electrolytic cells (2, 5) are of an insulating plastic material and the cylindrical electrodes (8, 9) are of a stainless steel material. The conductor wire 1 to be processed passes through the electrolytic solution pool along the axes of the cylindrical electrodes (8, 9), the two cylindrical electrodes (8, 9) are connected with the thermoelectric chemical oxidation power supply through leads, and thus the first electrolytic cell 2, the second electrolytic cell 5, the electrolyte and the thermoelectric chemical oxidation power supply form a loop through the conductor wire 1 to be processed. The side walls of the first electrolytic cell 2 and the second electrolytic cell 5 are also provided with sealing plugs, and the functions and the arrangement mode are similar to those of the embodiment 1. Similarly, when the continuous production is carried out for a long time, a water inlet and a water outlet can be added on the electrolyte tank to be connected with two independent electrolyte circulating systems so as to keep the low-temperature state of the electrolyte.
Example 4
As shown in fig. 5, 6 and 7, a thermoelectric chemical oxidation treatment device for conductor wires, the electrolyte tank in this embodiment is different from embodiment 3 in that the electrolyte tank (2, 5) is cylindrical, cylindrical electrodes (8, 9) and the cylindrical electrolyte tank (2, 5) are coaxially fixed through laths 10 at two ends, wherein one lath 10 at the upper part is a stainless steel lath 11, one end of the stainless steel lath 11 extends out of the electrolyte tank (2, 5) and is connected with a lead, and the other end of the stainless steel lath 11 is connected with the cylindrical electrodes (8, 9) in a threaded manner or a welded manner. And water inlets and water outlets connected with the electrolyte circulating system are arranged at the two ends of the electrolyte tanks (2 and 5).
Example 5
As shown in FIG. 8, the present embodiment is different from embodiment 3 in that a roller is further provided between the two electrolytic cells, the conductor wire to be processed is wound on the roller, and the traveling direction of the conductor wire 1 can be adjusted by the roller to make the arrangement position of the electrolytic cell more flexible. The cross section of the outer edge of the roller is provided with a V-shaped groove, a trapezoidal groove, an arc-shaped groove and the like according to the conductor wire, and the roller is cylindrical when the conductor wire is flaky.
Example 6
As shown in fig. 9 and 10, this embodiment is different from embodiment 3 in that the electrodes disposed in the electrolytic bath (2, 5) are two parallel electrode plates 12, four corners of which are fixed in the electrolytic bath (2, 5) by four columns 13, one of which is a conductor and one end of which extends out of the electrolytic bath (2, 5) and is connected to a power supply by a lead, and the two parallel electrode plates 12 are welded or screwed to the columns. The electrode plate 12 and the conductive column are made of stainless steel. The conductor wire 1 to be processed passes through the electrolyte from the middle of the parallel electrode plates 12, and the distance between the conductor wire 1 to be processed and the two parallel electrode plates 12 is equal. The parallel electrode plates 12 are particularly suitable for the thermo-electrochemical oxidation treatment of sheet-like conductor wires such as aluminum foil, and allow the growth of uniform ceramic layers on both sides of the aluminum foil.
In addition, it should be noted that the above-described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. For example, in embodiment 6, the electrode plates can be replaced by two symmetrically arranged arc panels; alternatively, the electrode plates are arranged as a plurality of pairs of symmetrically arranged arc plates to approximate the cylindrical electrodes in example 3.
Claims (10)
1. The device for the thermoelectric chemical oxidation treatment of the conductor wire is characterized by comprising a first electrolytic cell and a second electrolytic cell, wherein electrolyte is arranged in the first electrolytic cell and the second electrolytic cell, the conductor wire to be treated penetrates through the electrolyte in the first electrolytic cell and the second electrolytic cell, and the electrolyte in the first electrolytic cell and the electrolyte in the second electrolytic cell are respectively and electrically connected with two poles of a thermoelectric chemical oxidation power supply.
2. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to claim 1, wherein the first electrolytic cell and the second electrolytic cell are two cylindrical electrodes, the conductor wire to be treated passes through the electrolyte along the axis of the cylindrical electrodes, and the two cylindrical electrodes are electrically connected with two poles of a thermoelectric chemical oxidation power supply respectively.
3. The device for the thermoelectric chemical oxidation treatment of a conductor wire according to claim 2, wherein the cylindrical electrode has insulating end caps at both ends thereof, and the conductor wire to be treated is passed through the center of the end caps.
4. The device for thermoelectric chemical oxidation treatment of conductor wires according to claim 3, wherein the insulation end cap has a sealing plug I in the center, and the conductor wire to be treated passes through the sealing plug I.
5. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to claim 1, further comprising two cylindrical electrodes, wherein the two cylindrical electrodes are respectively located in the electrolyte in the first electrolytic cell and the second electrolytic cell, the first electrolytic cell and the second electrolytic cell are made of insulating materials, the conductor wire to be treated passes through the electrolyte in the first electrolytic cell and the second electrolytic cell along the axis of the cylindrical electrodes, and the two cylindrical electrodes are respectively electrically connected with two poles of a thermoelectric chemical oxidation power supply.
6. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to claim 5, wherein the first electrolytic cell and the second electrolytic cell are provided with a second sealing plug on the side wall, and the conductor wire to be treated simultaneously passes through the second sealing plugs on the first electrolytic cell and the second electrolytic cell.
7. The apparatus for electrochemical oxidation treatment of a conductor wire according to claim 1, further comprising a roller, the roller being disposed between the first electrolytic cell and the second electrolytic cell, the conductor wire to be treated being wound around the roller.
8. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to any one of claims 1 to 7, further comprising two independent electrolyte circulation systems, wherein the first electrolytic cell and the second electrolytic cell are further provided with a water inlet and a water outlet, and the first electrolytic cell and the second electrolytic cell are respectively connected with the two independent electrolyte circulation systems.
9. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to claim 1, wherein an electrode plate is further placed in the electrolyte in the first electrolytic cell and the second electrolytic cell.
10. The device for the thermoelectric chemical oxidation treatment of the conductor wire according to claim 9, wherein the electrode plates are two parallel flat plates or two symmetrical cambered plates, and the conductor wire to be treated passes through the electrolyte from the middle of the two flat plates or the cambered plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121061517 | 2021-05-18 | ||
| CN202121063798 | 2021-05-18 | ||
| CN2021210615173 | 2021-05-18 | ||
| CN2021210637986 | 2021-05-18 |
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| CN114197007A true CN114197007A (en) | 2022-03-18 |
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| CN202111674775.3A Pending CN114197007A (en) | 2021-05-18 | 2021-12-31 | Conductor wire thermoelectric chemical oxidation treatment device |
| CN202111669541.XA Pending CN114197006A (en) | 2021-05-18 | 2021-12-31 | Conductor wire surface treatment method |
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| CN114990686B (en) * | 2022-04-20 | 2023-08-22 | 山东钢锢诚焊材股份有限公司 | High Wen Dutong welding wire surface treatment method and equipment |
| CN115938646A (en) * | 2022-11-30 | 2023-04-07 | 浙江中行新材料科技有限公司 | Anti-corrosion overhead line capable of reducing corona loss and preparation method thereof |
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2021
- 2021-12-31 CN CN202111674775.3A patent/CN114197007A/en active Pending
- 2021-12-31 CN CN202111669541.XA patent/CN114197006A/en active Pending
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