CN1843678B - Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank - Google Patents
Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank Download PDFInfo
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- CN1843678B CN1843678B CN2006102003067A CN200610200306A CN1843678B CN 1843678 B CN1843678 B CN 1843678B CN 2006102003067 A CN2006102003067 A CN 2006102003067A CN 200610200306 A CN200610200306 A CN 200610200306A CN 1843678 B CN1843678 B CN 1843678B
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Abstract
The invention discloses a method for compressed connecting conductive metals in different materials, in aluminum electrolytic tank. Wherein, using two different metallic plates whose materials are independently same to two conductive metals that needed compressed, via explosion welding method, to attain double metal composite compress-connected pad; then arranging said pad between two metals that needed compress connected; contacting said two metals independently with two surfaces of said pads while the contacted two surface have same material. The invention has simple structure and easy operation, while it can effectively reduce electrochemistry erosion and metallic pollution on contacted surfaces, reduce the resistance between compress connected surfaces and save energy.
Description
Technical field:
The present invention relates to a kind of compression bonding method and structure that is used for different electro-conductive metal of aluminium electrolyte tank, belong to unlike material conducting metal crimp technology field.
Background technology:
At present, maximization along with the aluminium cell design, design of electrolysis cells current strength is increasing, in the prior art for the above electrolytic cell of 300kA, generally being connected of cathode steel bar and the soft bus of negative electrode aluminium adopted the crimping mode: after being about to the soft bus of negative electrode aluminium and a connector presser welding that has a copper surface, again with the copper surface and the cathode steel bar crimping of this connector presser.Its connector presser material with the cathode steel bar crimping is general, and all the material with cathode steel bar is different, so the metal of its crimping face generally all is a different kinds of metals.Adopt this crimping mode of the prior art, exist following shortcoming: because under power on condition, directly crimping of two kinds of different metals (as copper-steel, copper-aluminium, aluminium-steel etc.), its crimp surface place exists electrochemical corrosion and metallic pollution, thereby is easy to cause crimping face crimping resistance to increase and the minimizing of crimping face repeated use number of times.
Summary of the invention:
The objective of the invention is: provide a kind of simple in structure, easy to use and the electrochemical corrosion of its crimping face and the compression bonding method and the structure of the different electro-conductive metal of aluminium electrolyte tank that metallic pollution is all less, crimping face crimping resistance is lower, to overcome the deficiencies in the prior art.
The compression bonding method of different electro-conductive metal of aluminium electrolyte tank of the present invention is achieved in that when the conducting metal with two kinds of unlike materials carries out crimping, adopt earlier two unlike materials but identical with the conducting metal material of these the two kinds of need crimping respectively sheet metal mode by explosive welding (EW) is welded as a whole, thereby obtain a compound crimping pad of bimetallic, then with the compound crimping pad of this piece bimetallic pad between the metal of two kinds of need crimping, and the metal of two kinds of need crimping is contacted with the face of the identical material of the compound crimping pad of bimetallic respectively, the conducting metal of two kinds of unlike materials can be carried out crimping like this; The conducting metal material of its two kinds of need crimping is respectively copper and aluminium, copper and steel or aluminium and steel.
When the mode of the sheet metal that adopts two unlike materials by explosive welding (EW) is welded as a whole, thereby when obtaining the compound crimping pad of bimetallic, also can carries out planar smoothness processing to the surface of the compound crimping pad of this bimetallic and handle by the method for machining.
The crimping structure of different electro-conductive metal of aluminium electrolyte tank of the present invention is to constitute like this, it comprises can soft band with the aluminium that the bus of aluminium cell is connected (1) and the cathode steel bar (3) of aluminium cell, on the soft band of aluminium (1), be welded with a conducting metal pressing plate (2), crimping bolt (5) is housed on cathode steel bar (3), conducting metal pressing plate (2) is crimped on the cathode steel bar (3) by crimping bolt (5), and is lined with identical with cathode steel bar (3) with the crimping face of conducting metal pressing plate (2) the respectively and compound crimping pad of bimetallic (4) that connect as one by explosive welding (EW) of a bulk matter between conducting metal pressing plate (2) and cathode steel bar (3).
Its conducting metal pressing plate (2) is the board-like aluminium connector presser of full aluminium plate; Also can be one side is that copper material plate another side is board-like copper-aluminium connector presser that aluminium plate and the mode by explosive welding are welded as a whole.
The thickness of the compound crimping pad of its bimetallic (4) is preferably 0.3～3cm.
Owing to adopted technique scheme, the present invention is between two kinds of different metal crimping faces, the compound crimping pad of bimetallic that insertion is made by these two kinds of metals, the metal species of the compound crimping pad of the crimping face of making metal species and bimetallic is identical, thereby the crimping face of assurance metal is with a kind of metal.The compound crimping pad of bimetallic of the present invention simple in structure, manufacturing expense is low, replacing is convenient; it can effectively protect two kinds of different metal crimping faces to reuse under power on condition; and can effectively reduce the crimping resistance of its crimping face; thereby reduce the voltage drop of crimping face, saved electric energy greatly.Therefore the present invention compared with prior art, the present invention not only has advantage simple in structure, easy to use, but also has the electrochemical corrosion and advantages such as metallic pollution, reduction crimping face crimping resistance, energy savings that can reduce crimping face effectively.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present invention.
The specific embodiment:
Embodiments of the invention: when the conducting metal with two kinds of unlike materials of aluminium cell carries out crimping, adopt earlier two unlike materials but identical with the conducting metal material of these the two kinds of need crimping respectively sheet metal mode by explosive welding (EW) is welded as a whole, thereby obtain a compound crimping pad of bimetallic, then with the compound crimping pad of this piece bimetallic pad between the metal of two kinds of need crimping, and the metal of two kinds of need crimping is contacted with the face of the identical material of the compound crimping pad of bimetallic respectively, the conducting metal of two kinds of unlike materials can be carried out crimping like this; The conducting metal material of its two kinds of need crimping is respectively copper and aluminium, copper and steel or aluminium and steel; When the mode of the sheet metal that adopts two unlike materials by explosive welding (EW) is welded as a whole, thereby when obtaining the compound crimping pad of bimetallic, if the flatness that shows of the compound crimping pad of this bimetallic does not reach instructions for use, the method that can adopt machining is carried out planar smoothness processing to the surface of the compound crimping pad of this bimetallic and is handled and get final product.
During concrete the making, according to a conventional method soft front end with 1 with the aluminium that the bus of aluminium cell is connected is welded a conducting metal pressing plate 2 earlier, this conducting metal pressing plate 2 can adopt the board-like aluminium connector presser structure of full aluminium plate, is that copper material plate another side is board-like copper-aluminium connector presser structure that aluminium plate and the mode by explosive welding are welded as a whole but preferably adopt one side; When adopting the conducting metal pressing plate 2 of board-like copper-aluminium connector presser structure, be with 1 to weld and get final product with the aluminium plate face and the aluminium of this conducting metal pressing plate 2 is soft; On cathode steel bar 3, load onto crimping bolt 5 then, conducting metal pressing plate 2 can be crimped on the cathode steel bar 3 by crimping bolt 5, during crimping, pad one bulk the matter identical and compound crimping pad 4 of bimetallic that connect as one by explosive welding (EW) with the crimping face of conducting metal pressing plate 2 and cathode steel bar 3 respectively between conducting metal pressing plate 2 and cathode steel bar 3.When making the compound crimping of bimetallic pad 4, preferably with its THICKNESS CONTROL in the scope of 0.3～3cm.
Claims (7)
1. the compression bonding method of a different electro-conductive metal of aluminium electrolyte tank, it is characterized in that: when the conducting metal with two kinds of unlike materials carries out crimping, adopt earlier two unlike materials but identical with the conducting metal material of these the two kinds of need crimping respectively sheet metal mode by explosive welding (EW) is welded as a whole, thereby obtain a compound crimping pad of bimetallic, then with the compound crimping pad of this piece bimetallic pad between the metal of two kinds of need crimping, and the metal of two kinds of need crimping is contacted with the face of the identical material of the compound crimping pad of bimetallic respectively, the conducting metal of two kinds of unlike materials can be carried out crimping like this.
2. according to the compression bonding method of the different electro-conductive metal of aluminium electrolyte tank of claim 1, it is characterized in that: the conducting metal material of two kinds of need crimping is respectively copper and aluminium, copper and steel or aluminium and steel.
3. according to the compression bonding method of the different electro-conductive metal of aluminium electrolyte tank of claim 1, it is characterized in that: when the mode of the sheet metal that adopts two unlike materials by explosive welding (EW) is welded as a whole, thereby when obtaining the compound crimping pad of bimetallic, also can carry out planar smoothness processing to the surface of the compound crimping pad of this bimetallic and handle by the method for machining.
4. the crimping structure of a different electro-conductive metal of aluminium electrolyte tank, it comprises can soft band with the aluminium that the bus of aluminium cell is connected (1) and the cathode steel bar (3) of aluminium cell, it is characterized in that: on the soft band of aluminium (1), be welded with a conducting metal pressing plate (2), crimping bolt (5) is housed on cathode steel bar (3), conducting metal pressing plate (2) is crimped on the cathode steel bar (3) by crimping bolt (5), and is lined with identical with cathode steel bar (3) with the crimping face of conducting metal pressing plate (2) the respectively and compound crimping pad of bimetallic (4) that connect as one by explosive welding (EW) of a bulk matter between conducting metal pressing plate (2) and cathode steel bar (3).
5. according to the crimping structure of the different electro-conductive metal of aluminium electrolyte tank of claim 4, it is characterized in that: conducting metal pressing plate (2) is the board-like aluminium connector presser of full aluminium plate.
6. according to the crimping structure of the different electro-conductive metal of aluminium electrolyte tank of claim 4, it is characterized in that: conducting metal pressing plate (2) is that copper material plate another side is board-like copper-aluminium connector presser that aluminium plate and the mode by explosive welding are welded as a whole for one side.
7. according to the crimping structure of the different electro-conductive metal of aluminium electrolyte tank of claim 4, it is characterized in that: the thickness of the compound crimping pad of bimetallic (4) is 0.3～3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102003067A CN1843678B (en) | 2006-04-03 | 2006-04-03 | Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006102003067A CN1843678B (en) | 2006-04-03 | 2006-04-03 | Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1843678A CN1843678A (en) | 2006-10-11 |
| CN1843678B true CN1843678B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006102003067A Active CN1843678B (en) | 2006-04-03 | 2006-04-03 | Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102917290A (en) * | 2011-08-04 | 2013-02-06 | 富泰华工业（深圳）有限公司 | Earphone and manufacturing method thereof |
| CN105040028A (en) * | 2015-08-18 | 2015-11-11 | 宝鸡市申奥金属材料有限公司 | Titanium electrode power supply connection method, titanium electrode power supply connecting device and energy-saving type long-service-life titanium electrode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188249Y (en) * | 1993-12-09 | 1995-01-25 | 中南工学院 | Copper-aluminium filter plate with one single-side copper-coated end |
| CN2615149Y (en) * | 2003-03-24 | 2004-05-12 | 杜荣华 | Cathode steel bar and bus connector of aluminium cell |
| CN2615148Y (en) * | 2003-04-18 | 2004-05-12 | 杜荣华 | Aluminium electrolytic cell crimp connector between cathode steel bar and cathode soft strip |
| CN2617781Y (en) * | 2003-04-30 | 2004-05-26 | 云南铝业股份有限公司 | Cathode square steel press connecting apparatus for large prebaked anode aluminium electrolytic tanks |
| CN2685354Y (en) * | 2004-01-05 | 2005-03-16 | 沈阳铝镁设计研究院 | Connecting apparatus for aluminium electrolytic tank cathode steel bar and cathode aluminium bus |
-
2006
- 2006-04-03 CN CN2006102003067A patent/CN1843678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188249Y (en) * | 1993-12-09 | 1995-01-25 | 中南工学院 | Copper-aluminium filter plate with one single-side copper-coated end |
| CN2615149Y (en) * | 2003-03-24 | 2004-05-12 | 杜荣华 | Cathode steel bar and bus connector of aluminium cell |
| CN2615148Y (en) * | 2003-04-18 | 2004-05-12 | 杜荣华 | Aluminium electrolytic cell crimp connector between cathode steel bar and cathode soft strip |
| CN2617781Y (en) * | 2003-04-30 | 2004-05-26 | 云南铝业股份有限公司 | Cathode square steel press connecting apparatus for large prebaked anode aluminium electrolytic tanks |
| CN2685354Y (en) * | 2004-01-05 | 2005-03-16 | 沈阳铝镁设计研究院 | Connecting apparatus for aluminium electrolytic tank cathode steel bar and cathode aluminium bus |
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| Publication number | Publication date |
|---|---|
| CN1843678A (en) | 2006-10-11 |
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Owner name: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INSTITUTE C Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST. Effective date: 20110525 |
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Effective date of registration: 20110525 Address after: 550081 Guiyang Province, Jinyang New District, Zhu Zhu Road, No. 2 Patentee after: Guiyang Aluminum & Magnesium Design Institute Co., Ltd. Address before: 550004 No. 208, Beijing Road, Guiyang, Guizhou Patentee before: Guiyang Aluminium and Magnesium Design Inst. |