CN114178675A - Production method of conducting rod - Google Patents
Production method of conducting rod Download PDFInfo
- Publication number
- CN114178675A CN114178675A CN202111610409.1A CN202111610409A CN114178675A CN 114178675 A CN114178675 A CN 114178675A CN 202111610409 A CN202111610409 A CN 202111610409A CN 114178675 A CN114178675 A CN 114178675A
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- China
- Prior art keywords
- rod
- welding
- antioxidant
- conductive
- friction
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/24—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/233—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of electric power fitting production, in particular to a production method of a conducting rod, which comprises the following steps: raw material preparation: the conducting rod comprises a rod body in the middle and connecting plates at two ends; pressing the connecting plate by using a thick copper bar, and upsetting the head of the copper bar by using a stamping die; a welding step: connecting the connecting rod with two ends of the middle rod body by friction welding, wherein the welding speed of the friction welding is 300epm, the friction pressure is 2.0-2.5Mpa, the feeding speed of the workpiece is 0.8-1.5mm/s, the friction butt joint time of the workpieces at two ends is 15-20s, and the welding is stopped after the welding is finished and is naturally cooled to room temperature; surface plating step: the plating layer comprises a pretreatment step; preparing an antioxidant; placing the conductive bar into an antioxidant for antioxidation treatment, heating to 30-45 ℃, and simultaneously performing pressurized reaction for 4-6 minutes to complete the antioxidation step; and cleaning the conducting bar subjected to the anti-oxidation treatment and boxing. The device has the advantages of high production efficiency of the conducting rod and good oxidation resistance.
Description
Technical Field
The invention relates to the technical field of electric power fitting production, in particular to a production method of a conducting rod.
Background
At present, transformers are widely applied to various industries, and because the transformers are generally used in the power transmission industry, the transformers need to be installed in the field sometimes, so that the safety performance of the transformers is very important, and the safety performance of conducting rods which are installed on the top of the transformers and used for connecting outgoing lines of coils of the transformers and external lines needs to be further improved.
The conducting rod in the prior art has the problems of poor production efficiency and easy oxidation of the surface of the conducting rod.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a novel production method of a conducting rod, which can solve the technical problems in the background art.
The invention is realized by adopting the following technical scheme: a method for producing a conductive rod, comprising the steps of:
raw material preparation: the conducting rod comprises a middle rod body and connecting plates at two ends, the connecting plates are arranged at two ends of each connecting plate, the middle rod body is an aluminum solid rod body, metal flaw detection is firstly carried out on the middle rod body during forming, meanwhile, the surface of the aluminum rod is detected, and welding treatment is carried out on defects such as surface cracks of the aluminum rod;
pressing the connecting plate by using a thick copper rod, upsetting the head of the copper rod by using a stamping die, upsetting the head of the copper rod into a rectangle, cutting the copper rod, and punching the rectangular plate;
cleaning the middle rod body and the connecting rod on the connecting plate, cleaning two ends of the middle rod body and the connecting rod on the connecting plate by using an isopropanol solution, and preparing for welding;
a welding step: connecting the connecting rod with two ends of the middle rod body by friction welding, wherein the welding speed of the friction welding is 300epm, the friction pressure is 2.0-2.5Mpa, the feeding speed of the workpiece is 0.8-1.5mm/s, the friction butt joint time of the workpieces at two ends is 15-20s, and the welding is stopped after the welding is finished and is naturally cooled to room temperature;
processing the welding surface, namely processing the welding position in a turning mode to smooth the welding surface;
surface plating step: the plating layer comprises a pretreatment step, wherein the pretreatment step is used for polishing, washing and pickling the surface of a workpiece, a pickling solution is adopted for washing in the pickling step, the conductive bar is soaked in the pickling solution for 1 hour and heated at the temperature of 31-35 ℃ during washing, the washed conductive bar is washed clean by clean water and dried;
preparing an antioxidant, wherein the antioxidant comprises the following raw materials in parts by mass: 1 part of sulfosalicylic acid, 1.5 parts of phosphoric acid solution, 2 parts of tetraethoxysilane, 1.5 parts of methyltrimethoxysilane, 20 parts of organic solvent and 10 parts of antioxidant, wherein the antioxidant comprises one of mono-tert-butyl-p-cresol, catechol or resorcinol or is prepared by compounding the components in equal proportion;
placing the conductive bar into an antioxidant for antioxidation treatment, pouring the antioxidant into a container, sealing the conductive bar after the conductive bar is placed, heating to 30-45 ℃, and simultaneously performing pressurized reaction for 4-6 minutes to complete the antioxidation step;
and cleaning the conducting bar subjected to the anti-oxidation treatment and boxing.
A preferred embodiment of the present invention is that the organic solvent includes any one of formamide, acetonitrile, propanol, and ethylene glycol.
The preferred embodiment of the invention is that the anti-oxidation process is carried out by two times, namely primary anti-oxidation and secondary anti-oxidation;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 30-35 deg.C, and keeping the temperature for 2 min;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 40-45 deg.C, and keeping the temperature for 5 min.
In a preferred embodiment of the present invention, the antioxidant further comprises a stabilizer, wherein the stabilizer is aluminum formate, and the aluminum formate is 3 to 3.5 parts by mass.
Compared with the prior art, the production process is improved, the conducting rod is divided into two halves, the center of the conducting rod is the core rod made of aluminum, the two ends of the conducting rod are connecting ends, the connecting ends are made of brass, the two ends of the conducting rod are connected through friction welding, meanwhile, the anti-oxidation liquid is prepared, a passivation film can be formed on the surface of the conducting rod, and the surface of the conducting rod is prevented from being corroded.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
The conductive rod forming method comprises two steps which respectively correspond to the rough formation of the conductive rod and the refining of the conductive rod, wherein the rough formation of the conductive rod refers to the connection of an aluminum rod and a copper connecting plate, and the refining of the conductive rod is to attach an anti-oxidation layer on the conductive rod to protect the surface of the conductive rod.
The method comprises the following specific steps:
raw material preparation: the conducting rod comprises a middle rod body and connecting plates at two ends, the connecting plates are arranged at two ends of each connecting plate, the middle rod body is an aluminum solid rod body, metal flaw detection is firstly carried out on the middle rod body during forming, meanwhile, the surface of the aluminum rod is detected, and welding treatment is carried out on defects such as surface cracks of the aluminum rod; here the welding seam is followed by a grinding and polishing step,
pressing the connecting plate by using a thick copper rod, upsetting the head of the copper rod by using a stamping die, upsetting the head of the copper rod into a rectangle, cutting the copper rod, and punching the rectangular plate;
cleaning the middle rod body and the connecting rod on the connecting plate, cleaning two ends of the middle rod body and the connecting rod on the connecting plate by using an isopropanol solution, and preparing for welding;
a welding step: connecting the connecting rod with two ends of the middle rod body by friction welding, wherein the welding speed of the friction welding is 300epm, the friction pressure is 2.0-2.5Mpa, the feeding speed of the workpiece is 0.8-1.5mm/s, the friction butt joint time of the workpieces at two ends is 15-20s, and the welding is stopped after the welding is finished and is naturally cooled to room temperature;
processing the welding surface, namely processing the welding position in a turning mode to smooth the welding surface;
in the step of rough machining of the conducting rod, the central aluminum core of the conducting rod is connected with the connecting plates at two ends in a friction welding mode, so that the central core is prevented from being damaged in the step of upsetting the connecting plates, loss of raw materials is reduced, and the elongation efficiency is high.
Surface plating step: the plating layer comprises a pretreatment step, wherein the pretreatment step is used for polishing, washing and pickling the surface of a workpiece, a pickling solution is adopted for washing in the pickling step, the conductive bar is soaked in the pickling solution for 1 hour and heated at the temperature of 31-35 ℃ during washing, the washed conductive bar is washed clean by clean water and dried;
preparing an antioxidant, wherein the antioxidant comprises the following raw materials in parts by mass: 1 part of sulfosalicylic acid, 1.5 parts of phosphoric acid solution, 2 parts of tetraethoxysilane, 1.5 parts of methyltrimethoxysilane, 20 parts of organic solvent and 10 parts of antioxidant, wherein the antioxidant comprises one of mono-tert-butyl-p-cresol, catechol or resorcinol or is prepared by compounding the components in equal proportion;
placing the conductive bar into an antioxidant for antioxidation treatment, pouring the antioxidant into a container, sealing the conductive bar after the conductive bar is placed, heating to 30-45 ℃, and simultaneously performing pressurized reaction for 4-6 minutes to complete the antioxidation step;
and cleaning the conducting bar subjected to the anti-oxidation treatment and boxing.
Further, the organic solvent includes any one of formamide, acetonitrile, propanol and ethylene glycol.
Further, the oxidation resisting process is carried out by two times, namely primary oxidation resisting and secondary oxidation resisting;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 30-35 deg.C, and keeping the temperature for 2 min;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 40-45 deg.C, and keeping the temperature for 5 min.
Further, the antioxidant also comprises a stabilizer, wherein the stabilizer is aluminum formate, and the mass part of the aluminum formate is 3-3.5.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (4)
1. A method for producing a conductive rod is characterized in that: the method comprises the following steps:
raw material preparation: the conducting rod comprises a middle rod body and connecting plates at two ends, the connecting plates are arranged at two ends of each connecting plate, the middle rod body is an aluminum solid rod body, metal flaw detection is firstly carried out on the middle rod body during forming, meanwhile, the surface of the aluminum rod is detected, and welding treatment is carried out on defects such as surface cracks of the aluminum rod;
pressing the connecting plate by using a thick copper rod, upsetting the head of the copper rod by using a stamping die, upsetting the head of the copper rod into a rectangle, cutting the copper rod, and punching the rectangular plate;
cleaning the middle rod body and the connecting rod on the connecting plate, cleaning two ends of the middle rod body and the connecting rod on the connecting plate by using an isopropanol solution, and preparing for welding;
a welding step: connecting the connecting rod with two ends of the middle rod body by friction welding, wherein the welding speed of the friction welding is 300epm, the friction pressure is 2.0-2.5Mpa, the feeding speed of the workpiece is 0.8-1.5mm/s, the friction butt joint time of the workpieces at two ends is 15-20s, and the welding is stopped after the welding is finished and is naturally cooled to room temperature;
processing the welding surface, namely processing the welding position in a turning mode to smooth the welding surface;
surface plating step: the plating layer comprises a pretreatment step, wherein the pretreatment step is used for polishing, washing and pickling the surface of a workpiece, a pickling solution is adopted for washing in the pickling step, the conductive bar is soaked in the pickling solution for 1 hour and heated at the temperature of 31-35 ℃ during washing, the washed conductive bar is washed clean by clean water and dried;
preparing an antioxidant, wherein the antioxidant comprises the following raw materials in parts by mass: 1 part of sulfosalicylic acid, 1.5 parts of phosphoric acid solution, 2 parts of tetraethoxysilane, 1.5 parts of methyltrimethoxysilane, 20 parts of organic solvent and 10 parts of antioxidant, wherein the antioxidant comprises one of mono-tert-butyl-p-cresol, catechol or resorcinol or is prepared by compounding the components in equal proportion;
placing the conductive bar into an antioxidant for antioxidation treatment, pouring the antioxidant into a container, sealing the conductive bar after the conductive bar is placed, heating to 30-45 ℃, and simultaneously performing pressurized reaction for 4-6 minutes to complete the antioxidation step;
and cleaning the conducting bar subjected to the anti-oxidation treatment and boxing.
2. The method for producing a conductive rod as claimed in claim 1, wherein: the organic solvent comprises any one of formamide, acetonitrile, propanol and ethylene glycol.
3. The method for producing a conductive rod as claimed in claim 1, wherein: the oxidation resisting process is carried out by two times, namely primary oxidation resisting and secondary oxidation resisting;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 30-35 deg.C, and keeping the temperature for 2 min;
placing antioxidant in a container, placing the conductive rod in the antioxidant, heating to 40-45 deg.C, and keeping the temperature for 5 min.
4. The method for producing a conductive rod as claimed in claim 1, wherein: the antioxidant also comprises a stabilizer, wherein the stabilizer is aluminum formate, and the mass part of the aluminum formate is 3-3.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610409.1A CN114178675B (en) | 2021-12-27 | 2021-12-27 | Production method of conducting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610409.1A CN114178675B (en) | 2021-12-27 | 2021-12-27 | Production method of conducting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114178675A true CN114178675A (en) | 2022-03-15 |
| CN114178675B CN114178675B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111610409.1A Active CN114178675B (en) | 2021-12-27 | 2021-12-27 | Production method of conducting rod |
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| Country | Link |
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| CN (1) | CN114178675B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351412A (en) * | 2022-08-17 | 2022-11-18 | 西安建筑科技大学 | Method for welding bar material and connecting rod for rotating electrode through axial friction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144731A (en) * | 1996-08-02 | 1997-03-12 | 姚春 | Copper-aluminium joint friction welding technique |
| CN1835165A (en) * | 2006-03-03 | 2006-09-20 | 段沛林 | Prepn. method copper-aluminum composite conductive pole |
| JP2012124398A (en) * | 2010-12-10 | 2012-06-28 | Fujifilm Corp | Antioxidation method of metal film surface and liquid antioxidant |
| CN104842122A (en) * | 2014-02-13 | 2015-08-19 | 苏州银涛精密锻造有限公司 | Conducting rod forge forming process |
| CN106825903A (en) * | 2015-12-07 | 2017-06-13 | 上海航天设备制造总厂 | A kind of aluminium alloy conducting rod manufacture method |
| CN110829141A (en) * | 2018-08-09 | 2020-02-21 | 海安能达电气有限公司 | Process method for manufacturing transformer copper bar |
| US20210237196A1 (en) * | 2020-01-30 | 2021-08-05 | A.F.W. Co., Ltd. | Manufacturing method of thin plate |
-
2021
- 2021-12-27 CN CN202111610409.1A patent/CN114178675B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144731A (en) * | 1996-08-02 | 1997-03-12 | 姚春 | Copper-aluminium joint friction welding technique |
| CN1835165A (en) * | 2006-03-03 | 2006-09-20 | 段沛林 | Prepn. method copper-aluminum composite conductive pole |
| JP2012124398A (en) * | 2010-12-10 | 2012-06-28 | Fujifilm Corp | Antioxidation method of metal film surface and liquid antioxidant |
| CN104842122A (en) * | 2014-02-13 | 2015-08-19 | 苏州银涛精密锻造有限公司 | Conducting rod forge forming process |
| CN106825903A (en) * | 2015-12-07 | 2017-06-13 | 上海航天设备制造总厂 | A kind of aluminium alloy conducting rod manufacture method |
| CN110829141A (en) * | 2018-08-09 | 2020-02-21 | 海安能达电气有限公司 | Process method for manufacturing transformer copper bar |
| US20210237196A1 (en) * | 2020-01-30 | 2021-08-05 | A.F.W. Co., Ltd. | Manufacturing method of thin plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115351412A (en) * | 2022-08-17 | 2022-11-18 | 西安建筑科技大学 | Method for welding bar material and connecting rod for rotating electrode through axial friction |
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| CN114178675B (en) | 2023-06-13 |
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