CN106058606A - Production technology of copper and aluminum composite transition connection terminal - Google Patents
Production technology of copper and aluminum composite transition connection terminal Download PDFInfo
- Publication number
- CN106058606A CN106058606A CN201610567315.3A CN201610567315A CN106058606A CN 106058606 A CN106058606 A CN 106058606A CN 201610567315 A CN201610567315 A CN 201610567315A CN 106058606 A CN106058606 A CN 106058606A
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- Prior art keywords
- copper
- aluminum
- aluminum composite
- liquid
- composite material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Conductive Materials (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a production technology of a copper and aluminum composite transition connection terminal, and aims at providing the production technology of the copper and aluminum composite transition connection terminal which is simple in production technology and high in yield rate. The production technology comprises the following steps that step one: firstly solid copper is put in a melting furnace to be melted into liquid copper and then the liquid copper enters the crystallizer of a composite casting device in the vacuum state and is solidified into a copper pipe in the crystallizer; step two: solid aluminum is put into the melting furnace to be melted into liquid aluminum, then the liquid aluminum enters a constant temperature furnace to perform degassing and slagging and then enters the copper pipe in the crystallizer, and the liquid aluminum and the copper pipe are condensed into a whole to form copper and aluminum composite material, wherein one end of the copper and aluminum composite material is tubular and the other end is flat; and step three: the copper and aluminum composite material is pulled out of the crystallizer through a traction mechanism, and then the middle position of the flat end of the copper and aluminum composite material is drilled by a drilling machine so that the copper and aluminum composite transition connection terminal is formed.
Description
Technical field
The present invention relates to the production technology of conduction gold utensil, be specifically related to the production technology of Copper-Aluminum compound transition terminal.
Background technology
The conduction gold utensil that copper-aluminum transition connecting terminal is connected with power device terminals for cable end piece conductor, with electricity
It is tubulose that cable aluminium conductor connects one end, the flat board that the other end is given shape being connected with electrolytic copper device.Copper equipment is led with aluminum
Line connects, and the electric transition of metal that two kinds of some potential differences are different occurs, and be in operation generation couple corrosion, in order to avoid electrification is rotten
Erosion, the measure taked at present has copper-aluminum transition connecting terminal to be connected with wire and equipment, the copper-aluminum transition terminal that market uses
Based on friction welding (FW), blast weldering, soldering.There is copper and consume excessive shortcoming in friction welding (FW), complex manufacturing, quality monitoring is more
Scrapping easily occurs in difficulty, and friction welding product is added up or heavy current impact easily comes off in short-term, brings potential to use
Risk;The temperature capacity of soldered fitting is poor, temperature influence is big, strength of joint is than removing surface during relatively low, soldering and weldering
The requirement of part assembling quality is higher;Blast weldering annealing difficulty, produces yield rate low.Material source is difficult, the most outdoor work
Industry, mechanization intensity is low, and labor condition is poor, and also climate condition limits its price is that higher scrappage is the highest.
Summary of the invention
The purpose of the present invention is in order to provide the Copper-Aluminum compound transition terminal that the simple yield rate of a kind of production technology is high
Production technology.
For realizing the purpose of the present invention, the present invention adopts the following technical scheme that a kind of Copper-Aluminum compound transition terminal
Production technology, comprises the following steps:
The first step: first In Crystal Solid Copper is put in fusing stove and be fused into liquid copper, enter back into and carry out degasification slag hitting in constant temperature oven
After process, then liquid copper is entered by mozzle and is in the crystallizer in the compound casting device under vacuum state, and
It is frozen into copper pipe at crystallizer;
Second step: solid aluminum being put in fusing stove and be fused into liquid aluminium, liquid aluminium enters back into and carries out degasification in constant temperature oven
After slag hitting processes, then liquid aluminium first passes through mozzle again by the copper pipe in gate spool entrance crystallizer and solidifying with copper pipe
Strike up partnership formation copper aluminum composite material, and one end of copper aluminum composite material is tubulose, and its other end is tabular;
3rd step: copper aluminum composite material is extracted from crystallizer by haulage gear, then putting down copper aluminum composite material
One end of tabular is placed on backing plate, then uses the boring machine medium position boring in flat one end of copper aluminum composite material,
Form Copper-Aluminum compound transition terminal;
4th step: Copper-Aluminum compound transition terminal is put in passivation pool and carry out surface process 5 minutes, put in passivation pool
Entering passivating solution, the mass percent of passivating solution consists of sodium polydithio-dipropyl sulfonate 0.4%-0.6%, poly dimethyl amide groups
Sodium sulfonate 0.3%-0.35%, 1-hydroxy ethylidene-1,1-diphosphonic acid 0.1%-6%, nano silicon oxide 2.1%-2.5%, two octyloxy Jiao's phosphorus
Perester radical 15%-18%, surplus is water;
5th step: the Copper-Aluminum compound transition terminal in passivation pool taken out, puts into and carries out in straightener aligning operation,
It is subsequently placed in buffing machine and is processed by shot blasting, improve Copper-Aluminum compound transition terminal surface accurate degree.
5th step: Copper-Aluminum compound transition terminal is taken from buffing machine, completes.
Preferably, described Copper-Aluminum compound transition terminal include aluminium material layer and be wrapped in the copper material outside aluminium material layer
Matter layer, the thickness of described copper material layer is at 0.5mm-6.0mm.
Beneficial effects of the present invention: use above-mentioned manufacturing process so that Copper-Aluminum compound transition terminal one
Molding, service life is long, and its production technology is simple, and the yield rate of product is high.Sodium polydithio-dipropyl sulfonate and poly-diformazan
Base amidosulfonic acid sodium is brightener, has good dissolving and metathesis, and when generating ageing products in oil, polar group leads to
Cross physical absorption and chemical replacement effect, remove the pollutant on metal parts surface, reach the purpose of bright quenching;Hydroxy ethylidene
Di 2 ethylhexyl phosphonic acid is a kind of organophosphor acids anti-incrustation corrosion inhibitor, can form stable complex with the many kinds of metal ions such as ferrum, copper, zinc,
The oxide of metal surface can be dissolved;Two octyloxy pyrophosphoric acid ester groups can improve passivating film at metal by microcosmic " molecular bridge "
The adhesive force on surface, after process metal surface formed organic titanium/inorganic matter passivation layer can stop moisture, corrosive gas and
Other corrosive substance contacting metal surfaces, thus improve the corrosion resisting property of metal passivating film, mechanical performance and yellowing resistance;Receive
Rice silicon oxide has strong permeance property, can be applied to passivating film pore defect position in the short time, does in uniform temperature
After dry, will be combined with metallic matrix, play the corrosion resistant effect in raising metal surface.
Detailed description of the invention
Further illustrate below in conjunction with following example:
Embodiment 1:
The production technology of the Copper-Aluminum compound transition terminal of the present invention, comprises the following steps:
The first step: first In Crystal Solid Copper is put in fusing stove and be fused into liquid copper, enter back into and carry out degasification slag hitting in constant temperature oven
After process, then liquid copper is entered by mozzle and is in the crystallizer in the compound casting device under vacuum state, and
It is frozen into copper pipe at crystallizer;
Second step: solid aluminum being put in fusing stove and be fused into liquid aluminium, liquid aluminium enters back into and carries out degasification in constant temperature oven
After slag hitting processes, then liquid aluminium first passes through mozzle again by the copper pipe in gate spool entrance crystallizer and solidifying with copper pipe
Strike up partnership formation copper aluminum composite material, and one end of copper aluminum composite material is tubulose, and its other end is tabular;
3rd step: copper aluminum composite material is extracted from crystallizer by haulage gear, then putting down copper aluminum composite material
One end of tabular is placed on backing plate, then uses the boring machine medium position boring in flat one end of copper aluminum composite material,
Form Copper-Aluminum compound transition terminal;
4th step: Copper-Aluminum compound transition terminal is put in passivation pool and carry out surface process 5 minutes, put in passivation pool
Entering passivating solution, the mass percent of passivating solution consists of sodium polydithio-dipropyl sulfonate 0.4%-0.6%, poly dimethyl amide groups
Sodium sulfonate 0.3%-0.35%, 1-hydroxy ethylidene-1,1-diphosphonic acid 0.1%-6%, nano silicon oxide 2.1%-2.5%, two octyloxy Jiao's phosphorus
Perester radical 15%-18%, surplus is water;
5th step: the Copper-Aluminum compound transition terminal in passivation pool taken out, puts into and carries out in straightener aligning operation,
It is subsequently placed in buffing machine and is processed by shot blasting, improve Copper-Aluminum compound transition terminal surface accurate degree.
5th step: Copper-Aluminum compound transition terminal is taken from buffing machine, completes.
Preferably, described Copper-Aluminum compound transition terminal include aluminium material layer and be wrapped in the copper material outside aluminium material layer
Matter layer, the thickness of described copper material layer is at 0.5mm-6.0mm.
Embodiment 2:
Wherein the passivating solution mass percent of the 4th step in the production technology of above-described embodiment 1 consists of poly-two sulfur dipropyls
Alkyl sulfonic acid sodium 0.4%, poly dimethyl amidosulfonic acid sodium 0.3%, 1-hydroxy ethylidene-1,1-diphosphonic acid 0.1%, nano silicon oxide 2.1%,
Two octyloxy pyrophosphoric acid ester groups 15%, surplus is water.
Embodiment 3:
Wherein the passivating solution mass percent of the 4th step in the production technology of above-described embodiment 1 consists of poly-two sulfur dipropyls
Alkyl sulfonic acid sodium 0.6%, poly dimethyl amidosulfonic acid sodium 0.35%, 1-hydroxy ethylidene-1,1-diphosphonic acid 6%, nano silicon oxide 2.5%, two
Octyloxy pyrophosphoric acid ester group 18%, surplus is water.
The purpose of the present invention, feature and advantage will be further described in conjunction with the embodiments.Be will assist in by embodiment
Understand the present invention, but be not intended to present disclosure.Those of ordinary skill in the art can be direct from present disclosure
The all deformation derived or associate, are all considered as protection scope of the present invention.
Claims (2)
1. the production technology of a Copper-Aluminum compound transition terminal, it is characterised in that comprise the following steps:
The first step: first In Crystal Solid Copper is put in fusing stove and be fused into liquid copper, enter back into and carry out degasification slag hitting process in constant temperature oven
After, then liquid copper is entered by mozzle and is in the crystallizer in the compound casting device under vacuum state, and at knot
Brilliant device is frozen into copper pipe;
Second step: solid aluminum being put in fusing stove and be fused into liquid aluminium, liquid aluminium enters back into and carries out degasification slag hitting in constant temperature oven
After process, in then liquid aluminium first passes through the copper pipe that mozzle passes through in gate spool entrance crystallizer again, and condense into copper pipe
Being integrally formed copper aluminum composite material, one end of copper aluminum composite material is tubulose, and its other end is tabular;
3rd step: copper aluminum composite material is extracted from crystallizer by haulage gear, then the tabular of copper aluminum composite material
One end be placed on backing plate, then with boring machine in flat one end of copper aluminum composite material medium position boring, formed
Copper-Aluminum compound transition terminal;
4th step: Copper-Aluminum compound transition terminal is put in passivation pool and carry out surface process 5 minutes, put into blunt in passivation pool
Changing liquid, the mass percent of passivating solution consists of sodium polydithio-dipropyl sulfonate 0.4%-0.6%, poly dimethyl amidosulfonic acid
Sodium 0.3%-0.35%, 1-hydroxy ethylidene-1,1-diphosphonic acid 0.1%-6%, nano silicon oxide 2.1%-2.5%, two octyloxy pyrophosphates
Base 15%-18%, surplus is water;
5th step: the Copper-Aluminum compound transition terminal in passivation pool taken out, puts into and carries out aligning operation in straightener, then
Put in buffing machine and be processed by shot blasting, improve Copper-Aluminum compound transition terminal surface accurate degree.
5th step: Copper-Aluminum compound transition terminal is taken from buffing machine, completes.
Copper-Aluminum compound transition terminal the most according to claim 1, it is characterised in that: described Copper-Aluminum compound transition wiring
Including aluminium material layer on terminal and be wrapped in the copper material layer outside aluminium material layer, the thickness of described copper material layer is at 0.5mm-
6.0mm。
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CN201610567315.3A CN106058606B (en) | 2016-07-18 | 2016-07-18 | A kind of production technology of Copper-Aluminum compound transition terminal |
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CN201610567315.3A CN106058606B (en) | 2016-07-18 | 2016-07-18 | A kind of production technology of Copper-Aluminum compound transition terminal |
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CN106058606B CN106058606B (en) | 2018-05-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109390834A (en) * | 2017-08-09 | 2019-02-26 | 金锚电力控股有限公司 | A kind of production technology of Copper-Aluminum compound cold pressing wire and cable connector |
CN114301205A (en) * | 2021-12-31 | 2022-04-08 | 江苏中车电机有限公司 | Novel composite material conductor coil for motor |
Citations (6)
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CN201146256Y (en) * | 2007-12-19 | 2008-11-05 | 永固集团股份有限公司 | Connection terminal for cuprum aluminum transition |
JP2009277674A (en) * | 2009-08-28 | 2009-11-26 | Autonetworks Technologies Ltd | Connection structure between aluminum wire, and copper terminal and aluminum wire with copper terminal having the structure |
CN101707295A (en) * | 2009-12-09 | 2010-05-12 | 安徽钛钴新金属有限公司 | Copper-aluminium explosion composite electrical T type copper-aluminium bimetal binding clip and explosion welding method |
CN103354308A (en) * | 2013-06-25 | 2013-10-16 | 欧托凯勃汽车线束(太仓)有限公司 | Copper-aluminium connector and production method thereof |
CN103390820A (en) * | 2013-07-26 | 2013-11-13 | 安徽和电普华电气有限公司 | Connection terminal containing Sc and Ni aluminum alloy and copper and preparation method of connection terminal |
CN105610035A (en) * | 2016-01-28 | 2016-05-25 | 朱剑虹 | Manufacturing method for copper-aluminum terminal |
-
2016
- 2016-07-18 CN CN201610567315.3A patent/CN106058606B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201146256Y (en) * | 2007-12-19 | 2008-11-05 | 永固集团股份有限公司 | Connection terminal for cuprum aluminum transition |
JP2009277674A (en) * | 2009-08-28 | 2009-11-26 | Autonetworks Technologies Ltd | Connection structure between aluminum wire, and copper terminal and aluminum wire with copper terminal having the structure |
CN101707295A (en) * | 2009-12-09 | 2010-05-12 | 安徽钛钴新金属有限公司 | Copper-aluminium explosion composite electrical T type copper-aluminium bimetal binding clip and explosion welding method |
CN103354308A (en) * | 2013-06-25 | 2013-10-16 | 欧托凯勃汽车线束(太仓)有限公司 | Copper-aluminium connector and production method thereof |
CN103390820A (en) * | 2013-07-26 | 2013-11-13 | 安徽和电普华电气有限公司 | Connection terminal containing Sc and Ni aluminum alloy and copper and preparation method of connection terminal |
CN105610035A (en) * | 2016-01-28 | 2016-05-25 | 朱剑虹 | Manufacturing method for copper-aluminum terminal |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109390834A (en) * | 2017-08-09 | 2019-02-26 | 金锚电力控股有限公司 | A kind of production technology of Copper-Aluminum compound cold pressing wire and cable connector |
CN114301205A (en) * | 2021-12-31 | 2022-04-08 | 江苏中车电机有限公司 | Novel composite material conductor coil for motor |
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Denomination of invention: Production process of copper aluminum composite transition terminal Effective date of registration: 20210622 Granted publication date: 20180525 Pledgee: Bank of Wenzhou Limited by Share Ltd. Yueqing branch Pledgor: JINMAO ELECTRIC POWER HOLDING Co.,Ltd. Registration number: Y2021330000625 |
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