CN115896889A - Ceramic insulation aluminum coil preparation facilities based on opening oxidation groove - Google Patents

Ceramic insulation aluminum coil preparation facilities based on opening oxidation groove Download PDF

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Publication number
CN115896889A
CN115896889A CN202211336947.0A CN202211336947A CN115896889A CN 115896889 A CN115896889 A CN 115896889A CN 202211336947 A CN202211336947 A CN 202211336947A CN 115896889 A CN115896889 A CN 115896889A
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China
Prior art keywords
oxidation
oxidation tank
ceramic
aluminum coil
winding cylinder
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CN202211336947.0A
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CN115896889B (en
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雷厉
李昊旻
王连可
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Zhuji Sino Russian Joint Materials Laboratory
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Zhuji Sino Russian Joint Materials Laboratory
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Abstract

The utility model provides a ceramic-insulated aluminum coil preparation facilities based on opening oxidation groove, including the leading-in wheel, winding cylinder and supplementary roller, still include upper portion open-ended oxidation groove, winding cylinder middle part has cyclic annular breach, the oxidation groove is located winding cylinder's breach department, the aluminium wire is along with winding cylinder's rotation precession with the spiral under winding cylinder and supplementary roller's centre gripping, the aluminium wire is in the screw in oxidation groove when precession to cyclic annular breach department, the oxidation inslot has negative plate and electrolyte, negative plate and aluminium wire connect micro arc oxidation/thermoelectric chemical oxidation power supply respectively, the aluminium wire is oxidized into ceramic-insulated aluminum coil after the oxidation groove. In the device, the aluminum wire is directly screwed into the oxidation tank, and even if the aluminum wire stretches into the oxidation tank in a suspension mode due to high-temperature softening, the operation of the whole device is not influenced, and the defect of wire clamping caused by the narrow inlet and outlet of the wire in the original device is overcome.

Description

Ceramic insulation aluminum coil preparation facilities based on opening oxidation groove
Technical Field
The invention relates to a production device for a ceramic insulation aluminum coil for manufacturing a transformer winding, in particular to a ceramic insulation aluminum coil preparation device based on an open oxidation tank.
Background
The ceramic-insulated aluminum conductor is not resistant to bending with large curvature, and the ceramic-insulated aluminum conductor is easy to damage a ceramic insulating film layer when being used for preparing a transformer winding by a traditional method. Patent CN202211198053X discloses a device for preparing ceramic-insulated aluminum coil, which pre-bends an aluminum wire into a spiral shape, screws the aluminum wire into an oxidation tank for oxidation treatment, and naturally forms the ceramic-insulated aluminum coil after the oxidation treatment. The aluminum wire has certain rigidity and toughness, and can be screwed into and out of the oxidation pond in a spiral shape under normal conditions. However, the melting point of aluminum is low, and the aluminum wire can be softened to a certain extent under the working condition of high-current high-voltage treatment. In the device of patent CN202211198053X, a spirally-feeding aluminum wire is oxidized by a disk-shaped oxidation tank. The aluminum conductor is deformed after being separated from the winding roller due to softening when the temperature is too high, so that the aluminum conductor is clamped at the inlet of the aluminum conductor, and the screwing-in and screwing-out processes of the aluminum conductor can be smoothly carried out by manually taking certain auxiliary measures.
Disclosure of Invention
The invention aims to provide a ceramic insulation aluminum coil preparation device based on an opening oxidation tank, which overcomes the defect that the existing preparation device is not smooth in operation due to the fact that an aluminum wire is softened at high temperature.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a ceramic-insulated aluminum coil preparation facilities based on opening oxidation groove, including the leading-in wheel, winding drum and supplementary roller, still include upper portion open-ended oxidation groove, winding drum middle part has cyclic annular breach, cyclic annular breach is coaxial with winding drum, the oxidation groove is located winding drum's breach department, the aluminium wire is sent into between winding drum and supplementary roller by the leading-in wheel, the aluminium wire is along with the rotation of winding drum and precept with the spiral under the centre gripping of winding drum and supplementary roller, the aluminium wire is partly stretched into in the oxidation groove when precessing to cyclic annular breach department, the oxidation inslot has negative plate and electrolyte, negative plate and aluminium wire connect micro arc oxidation/thermal electrochemical oxidation power supply respectively, the aluminium wire is oxidized into ceramic-insulated aluminum coil after the oxidation groove. The aluminum wire is electrically connected through an electric brush or a conductive copper wheel.
Furthermore, the oxidation tank is made of an insulating material.
Furthermore, the oxidation tank is made of PVC.
Further, the cathode plate is positioned at the bottom of the oxidation tank.
Further, the cathode plate is a stainless steel plate.
Furthermore, the oxidation tank further comprises an electrolyte circulating system, wherein a water inlet pipe and a water outlet pipe are arranged on two sides of the oxidation tank and are respectively connected with the water outlet pipe and the water inlet pipe of the electrolyte circulating system.
Furthermore, the water inlet pipe is positioned at the bottom of the oxidation tank, and the water outlet pipe is positioned at the upper part of the oxidation tank.
Furthermore, the middle part of the winding roller is provided with two annular gaps, the number of the oxidation grooves is two, the two annular gaps are respectively provided with an oxidation groove, and the cathode plates in the two oxidation grooves are respectively connected with an oxidation power supply. The aluminum wire between the oxidation tanks is used as a conductor for connecting the aluminum wires in the two oxidation tanks. The aluminum wires screwed into the electrolytes of the two oxidation tanks are subjected to micro-arc oxidation/thermoelectric chemical oxidation in the two oxidation tanks. During the process of continuously screwing the aluminum wire, the aluminum wire passing through the oxidation tank is not oxidized continuously.
Furthermore, the device also comprises two electrolyte circulating systems which are mutually independent, a water inlet pipe and a water outlet pipe are arranged on two sides of the oxidation tank, and the water inlet pipe and the water outlet pipe on the two oxidation tanks are respectively connected with one electrolyte circulating system.
Compared with the prior art, the invention has the beneficial technical effects that:
in the device, the aluminum wire is directly screwed into the oxidation tank, even if the aluminum wire stretches into the oxidation tank in a suspension mode due to high-temperature softening, the operation of the whole device is not influenced, and the defect of wire clamping caused by the narrow wire inlet and outlet of the original device (disclosed in the patent CN 202211198053X) is overcome.
Drawings
FIG. 1 is a schematic diagram of the operation of the apparatus of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of an apparatus for producing a ceramic-insulated aluminum coil in example 1 of the present invention;
FIG. 3 is a top view of an oxidation cell in example 1 of the present invention.
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. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Example 1
As shown in fig. 1 and 2, the ceramic insulated aluminum coil manufacturing apparatus based on the open oxidation tank comprises a guide wheel 1, a winding drum 2, an auxiliary roller 3, and an oxidation tank 4 with an upper opening. The middle part of the winding roller 2 is provided with an annular gap which is coaxial with the winding roller 1, and the oxidation tank 4 is fixed at the gap at the lower part of the winding roller 2. The aluminum wire 5 is fed between the winding drum 2 and the auxiliary roller 3 by the guide wheel, the aluminum wire 5 is spirally advanced with the rotation of the winding drum 2 under the clamping of the winding drum 2 and the auxiliary roller 3, the oxidation tank 4 is in a fixed state, and the aluminum wire 5 is screwed in from one side of the oxidation tank 4 and then screwed out from the other side when being screwed in to the annular gap. The oxidation tank 4 is internally provided with a cathode plate 401 and electrolyte, and the cathode plate 401 and the aluminum lead 5 are respectively connected with a micro-arc oxidation/thermoelectric chemical oxidation power supply. The aluminum wire 5 is oxidized into a ceramic-insulated aluminum coil while passing through the oxidation bath 4. Wherein, leading-in wheel 1 is electrically conductive copper wheel, and aluminium wire 5 connects the electricity through electrically conductive copper wheel. The oxidation tank 4 is made of an insulating material (PVC), and even if the aluminum wire 5 inserted into the oxidation tank 4 is deformed to contact with the side wall of the oxidation tank 4, a short circuit does not occur.
The cathode plate 401 is located at the bottom of the oxidation tank 4, and preferably, the cathode plate 401 is a stainless steel plate. By controlling the distance of the bottom of the oxidation tank 4 from the axis of the winding drum 2, the aluminum wire 5 does not touch the cathode plate 401 of the bottom even if the aluminum wire 5 is softened to the maximum extent to enter the oxidation tank in a hanging manner.
The oxidation tank 4 is also provided with a water inlet pipe 402 and a water outlet pipe 403 on two sides, and the oxidation tank 4 and the electrolyte circulating system form a water circulating loop through the water inlet pipe 402 and the water outlet pipe 403. Preferably, the water inlet pipe 402 is positioned at the bottom of the oxidation tank 4, and the water outlet pipe 403 is positioned at the upper part of the oxidation tank 4.
Example 2
As shown in fig. 3, the apparatus of the present embodiment is different from that of embodiment 1 in that two annular gaps are formed in the middle of the winding drum 2, and two oxidation tanks 4 are formed, and one oxidation tank 4 is disposed at each of the two annular gaps. The cathode plates 401 in the two oxidation tanks 4 are respectively connected with an oxidation power supply. The aluminum conductor between the two oxidation tanks 4 is used as a conductor for communicating the aluminum conductors in the two oxidation tanks, and the aluminum conductor screwed into the electrolyte of the two oxidation tanks generates micro-arc oxidation/thermoelectric chemical oxidation in the two oxidation tanks. In the process of continuously screwing the aluminum wire 5, the aluminum wire 5 continuously passes through the oxidation tank 4 to realize total oxidation.
The difference from the embodiment 1 is that the two oxidation tanks 4 of the embodiment are respectively provided with an electrolyte circulating system, that is, the electrolyte circulating systems are independent.

Claims (9)

1. The utility model provides a ceramic-insulated aluminum coil preparation facilities based on opening oxidation groove, including the leading-in wheel, the winding cylinder, the auxiliary roller, a serial communication port, still include upper portion open-ended oxidation groove, winding cylinder middle part has cyclic annular breach, cyclic annular breach is coaxial with the winding cylinder, the oxidation groove is located the breach department of winding cylinder, the aluminium wire is sent into between winding cylinder and auxiliary roller by the leading-in wheel, the aluminium wire is along with the rotation of winding cylinder with the spiral precession between winding cylinder and auxiliary roller, the aluminium wire is in the oxidation inslot of screw in when precession cyclic annular breach department, the oxidation inslot has negative plate and electrolyte, the aluminium wire is oxidized into ceramic-insulated aluminum coil when the oxidation groove of passing through.
2. The apparatus for preparing ceramic-insulated aluminum coil based on open oxidation tank of claim 1, wherein the oxidation tank is made of insulating material.
3. The device for preparing the ceramic-insulated aluminum coil based on the open oxidation tank as claimed in claim 2, wherein the oxidation tank is made of PVC.
4. The apparatus for preparing ceramic insulated aluminum coil based on open oxidation tank as claimed in claim 2, wherein the cathode plate is located at the bottom of the oxidation tank.
5. The open oxidation tank-based ceramic insulated aluminum coil preparation apparatus as claimed in claim 4, wherein the cathode plate is a stainless steel plate.
6. The device for preparing the ceramic insulated aluminum coil based on the open oxidation tank as claimed in claim 1, further comprising an electrolyte circulation system, wherein a water inlet pipe and a water outlet pipe are arranged on two sides of the oxidation tank, and the water inlet pipe and the water outlet pipe are connected with the electrolyte circulation system.
7. The open oxidation tank-based ceramic insulated aluminum coil preparation apparatus as claimed in claim 6, wherein the water inlet pipe is located at the bottom of the oxidation tank, and the water outlet pipe is located at the upper part of the oxidation tank.
8. The device for preparing the ceramic insulated aluminum coil based on the open oxidation tank as claimed in claim 1, wherein the winding drum has two annular notches in the middle, the two oxidation tanks are two, one oxidation tank is arranged at each of the two annular notches, and cathode plates in the two oxidation tanks are respectively connected with an oxidation power supply.
9. The device for preparing the ceramic-insulated aluminum coil based on the open oxidation tank as claimed in claim 8, further comprising two electrolyte circulation systems independent from each other, wherein the oxidation tank is further provided with a water inlet pipe and a water outlet pipe at two sides thereof, and the water inlet pipe and the water outlet pipe of the two oxidation tanks are respectively connected with one electrolyte circulation system.
CN202211336947.0A 2022-10-28 2022-10-28 Ceramic insulation aluminum coil preparation device based on open oxidation tank Active CN115896889B (en)

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CN202211336947.0A CN115896889B (en) 2022-10-28 2022-10-28 Ceramic insulation aluminum coil preparation device based on open oxidation tank

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CN115896889B CN115896889B (en) 2024-10-11

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865700A (en) * 1973-05-18 1975-02-11 Fromson H A Process and apparatus for continuously anodizing aluminum
JPH07268685A (en) * 1994-03-29 1995-10-17 Nippon Steel Corp Continuous electroplating equipment for metal strips
CN102381072A (en) * 2010-08-27 2012-03-21 富士胶片株式会社 Method and device for manufacturing aluminum support for planographic printing plate
CN115101332A (en) * 2022-08-04 2022-09-23 西比里电机技术(苏州)有限公司 Device for preparing cake-type winding of transformer by ceramic aluminum conductor
CN217499468U (en) * 2022-03-23 2022-09-27 辽宁忠旺集团有限公司 A conductive type aluminum strip foil continuous oxidation equipment
CN115142106A (en) * 2022-06-30 2022-10-04 西比里电机技术(苏州)有限公司 Surface treatment device for prefabricated ceramic aluminum wire turns

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865700A (en) * 1973-05-18 1975-02-11 Fromson H A Process and apparatus for continuously anodizing aluminum
JPH07268685A (en) * 1994-03-29 1995-10-17 Nippon Steel Corp Continuous electroplating equipment for metal strips
CN102381072A (en) * 2010-08-27 2012-03-21 富士胶片株式会社 Method and device for manufacturing aluminum support for planographic printing plate
CN217499468U (en) * 2022-03-23 2022-09-27 辽宁忠旺集团有限公司 A conductive type aluminum strip foil continuous oxidation equipment
CN115142106A (en) * 2022-06-30 2022-10-04 西比里电机技术(苏州)有限公司 Surface treatment device for prefabricated ceramic aluminum wire turns
CN115101332A (en) * 2022-08-04 2022-09-23 西比里电机技术(苏州)有限公司 Device for preparing cake-type winding of transformer by ceramic aluminum conductor

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