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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
crimping
aluminium
pad
metal
bimetallic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2006102003067A
Other languages
Chinese (zh)
Other versions
CN1843678A (en
Inventor
周铁托
付长宏
刘星桂
颜非亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guiyang Aluminum Magnesium Design and Research Institute Co Ltd
Original Assignee
Guiyang Aluminum Magnesium Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guiyang Aluminum Magnesium Design and Research Institute Co Ltd filed Critical Guiyang Aluminum Magnesium Design and Research Institute Co Ltd
Priority to CN2006102003067A priority Critical patent/CN1843678B/en
Publication of CN1843678A publication Critical patent/CN1843678A/en
Application granted granted Critical
Publication of CN1843678B publication Critical patent/CN1843678B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Resistance Welding (AREA)

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

The compression bonding method of different electro-conductive metal of aluminium electrolyte tank and structure
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.
CN2006102003067A 2006-04-03 2006-04-03 Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank Active CN1843678B (en)

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

Family

ID=37062665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006102003067A Active CN1843678B (en) 2006-04-03 2006-04-03 Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank

Country Status (1)

Country Link
CN (1) CN1843678B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN1843678A (en) 2006-10-11

Similar Documents

Publication Publication Date Title
CN1985394A (en) Current collecting plate, fuel cell, and method of producing them
CN102315409A (en) Lithium ion power cell
CN201146256Y (en) Connection terminal for cuprum aluminum transition
CN201501932U (en) Anode aluminum guide rod assembly structure for pre-baked aluminum electrolysis cell
CN1843678B (en) Press bonding method and structure of different electro-conductive metal of aluminium electrolyte tank
CN202430299U (en) Combined anode steel talon welded by steel plate
US4748096A (en) Fiber structure-electrode framework of metallized plastic fibers with welded-on current-conducting lug
CN101814592A (en) Method for connecting polar lug and polar column of lithium ion battery
CN201416038Y (en) Novel anode conducting device for aluminum electrolyzing cell
CN202957317U (en) Soldering type lithium ion battery module
CN2885481Y (en) Impaction structure of different material conductive metal of aluminium electrolyser
AU2009238315C1 (en) Connecting structure for exeteriorly connecting battery cells
CN203415646U (en) Pole plate type battery cell group series connection structure
CN102299290A (en) Method for connecting electrode tabs and electrode poles of batteries
CN201340914Y (en) Copper-aluminum composite wire clamp
CN1769535A (en) Method for reducing voltage drop of aluminum cell stop
CN201049967Y (en) Diverting sheet used for roasting prebaked anode electrolysis bath
CN220542625U (en) Carbon-coated aluminum foil abrasion-proof test fixing clamp
CN2617781Y (en) Cathode square steel press connecting apparatus for large prebaked anode aluminium electrolytic tanks
CN106319577A (en) Energy-saving and environment-friendly anode plate
CN211907560U (en) Power battery integrated busbar with composite terminal structure
CN216719961U (en) Novel HJT battery piece series welding structure
CN203462147U (en) Negative plate for copper and nickel hydrometallurgy
CN217291149U (en) Battery tab welding insulation positioning jig
CN217009579U (en) Wet process is mass flow copper bar for metallurgy

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INSTITUTE C

Free format text: FORMER OWNER: GUIYANG ALUMINIUM AND MAGNESIUM DESIGN INST.

Effective date: 20110525

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 550004 NO. 208, BEIJING ROAD, GUIYANG CITY, GUIZHOU PROVINCE TO: 550081 NO.2, JINZHU ROAD, JINYANG NEW DISTRICT, GUIYANG CITY, GUIZHOU PROVINCE

TR01 Transfer of patent right

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.