CN107248555A - A kind of processing technology of electrokinetic cell top cover - Google Patents
A kind of processing technology of electrokinetic cell top cover Download PDFInfo
- Publication number
- CN107248555A CN107248555A CN201710547445.5A CN201710547445A CN107248555A CN 107248555 A CN107248555 A CN 107248555A CN 201710547445 A CN201710547445 A CN 201710547445A CN 107248555 A CN107248555 A CN 107248555A
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- Prior art keywords
- negative pole
- copper post
- hole
- processing technology
- annular copper
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- Granted
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052802 copper Inorganic materials 0.000 claims abstract description 82
- 239000010949 copper Substances 0.000 claims abstract description 82
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 53
- 239000004411 aluminium Substances 0.000 claims abstract description 53
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 230000010485 coping Effects 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009414 blockwork Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a kind of processing technology of electrokinetic cell top cover, the processing technology includes the procedure of processing that the negative pole rivets block；The procedure of processing of the negative pole riveting block includes：Aluminium sheet body is made using aluminium, annular copper post is made using copper material；By in the annular copper post riveting insertion aluminium sheet body, second mounting hole being adapted with the negative terminal is formed, and the inwall of the annular copper post is formed as all or part of inwall of the mounting hole.In the embodiment of the present invention, annular copper post and aluminium sheet main body riveting are made by negative pole riveting block using cold-press process so that annular copper post and the formation interference of aluminium sheet main body must contain to obtain overall with inclusive, improve overall fastness and resistive performance；The negative pole riveting block of welding region same material is used into laser welding mode with negative terminal, welding procedure is not only simplify, and improve the overall performance and stability of product.
Description
Technical field
The present invention relates to electrokinetic cell field, more particularly to a kind of processing technology of electrokinetic cell top cover.
Background technology
Electrokinetic cell is the important component of new energy battery, and its great advantage is that energy is high, pollution-free；It is new energy
The developing direction of automobile and energy-accumulating power station, thus the safe performance of battery is particularly important, and the sealing of electrokinetic cell top cover is
The important leverage of cell safety.
The electrokinetic cell top cover of existing market application is generally included：The coping plate of two mounting holes is offered, peace is arranged in
The positive terminal and negative terminal in hole are filled, positive pole riveting briquetting, the negative pole riveting briquetting riveted respectively with positive terminal and negative terminal.Its
In, negative terminal includes negative pole cylinder and is connected to the negative pole bottom plate of negative pole cylinder bottom, and negative pole column base plate is made of copper material, born
Pole body is made of aluminium, and negative pole riveting briquetting is integrally made of aluminium, and the weldering being adapted with negative terminal is offered thereon
Hole is connect, welding hole is penetrated again after negative terminal passes correspondence mounting hole, negative terminal rivets block in contact site by rubbing with negative pole
Wipe integrally welded.This traditional friction welding mode, not only welding procedure is complicated, and can not ensure whole negative pole structure
Stability and performance.
The content of the invention
It is an object of the invention to provide a kind of processing technology of electrokinetic cell top cover, the welding for overcoming prior art to exist
The defects such as complex process, poor reliability.
For up to this purpose, the present invention uses following technical scheme：
A kind of processing technology of electrokinetic cell top cover, the electrokinetic cell top cover includes coping plate, negative terminal and negative pole riveting
The first mounting hole for being offered on block, the coping plate and bottom surface being through to by its top surface is connect, the negative terminal includes negative pole cylinder
And it is connected to the negative pole bottom plate of negative pole cylinder bottom；The processing technology includes the procedure of processing that the negative pole rivets block；
The procedure of processing of the negative pole riveting block includes：
Aluminium sheet body is made using aluminium, annular copper post is made using copper material；
By in the annular copper post riveting insertion aluminium sheet body, second installation being adapted with the negative terminal is formed
Hole, and the inwall of the annular copper post is formed as all or part of inwall of the mounting hole.
Optionally, the processing technology also includes the procedure of processing of the negative terminal；
The procedure of processing of the negative terminal includes：The negative pole cylinder is integrally formed using copper material and negative pole cylinder is connected to
The negative pole bottom plate of bottom.
Optionally, the processing technology also includes the negative terminal and negative pole riveting block, coping plate assembling integral
Step：
It is described negative terminal and negative pole riveted into block, coping plate assemble integral step include：
Negative pole riveting block is stacked on the coping plate, and causes first mounting hole and the second mounting hole
Position it is corresponding；
The first mounting hole is penetrated after the negative pole cylinder of the negative terminal is passed through into first mounting hole；
The negative pole cylinder and the annular copper post is integrally welded.
Optionally, by the negative pole cylinder and the integrally welded step of the annular copper post, using laser welding
Mode.
Optionally, the method that aluminium sheet body is made in the use aluminium is specifically included：
Make the aluminium sheet body in rectangular parallelepiped structure；
On the aluminium sheet body, first interconnected with same central shaft is opened up successively by its top surface to bottom surface
Through hole and the second through hole, and internal diameter of the internal diameter more than the second through hole of the first through hole.
Optionally, in the step of annular copper post is made in the use copper material, the external diameter of the annular copper post is controlled to be equal to
The internal diameter of first through hole, the internal diameter of the annular copper post are equal to the internal diameter of the second through hole, the height of the annular copper post and are not more than
The height of first through hole.
Optionally, also include in the step of annular copper post is made in the use copper material：
On the top of the annular copper post, an outer edge is horizontally outward set up by its excircle；
On the periphery wall of the annular copper post, the lower position close to outer edge opens up annular groove.
Optionally, it is described to include the annular copper post riveting insertion intrinsic step of aluminium sheet：
The annular copper post is put into the first through hole of aluminium sheet body so that the outer edge of the annular copper post is located at first
Through hole is outer, the part being located at below outer edge of the annular copper post is stretched into first through hole；
Using cold-press process, the annular complete riveting of copper post is entered in the first through hole of aluminium sheet body；In riveting process
In, in the region that it leans with the outer edge on the aluminium sheet body, because crimp forms one and the annular groove
The protuberance that is adapted simultaneously is caught in the annular groove.
Optionally, also include in the negative terminal and negative pole riveting block, coping plate are assembled into integral step：To
The negative pole cylinder of the negative terminal is passed through before first mounting hole, and a sealing ring is arranged in the periphery of the negative pole cylinder.
Optionally, the processing technology also includes：Some locating dowels are set in the bottom surface of the aluminium sheet body, on the top
The top surface of cover plate opens up some positioning holes being adapted with the locating dowel.
Beneficial effects of the present invention：
In the embodiment of the present invention, annular copper post and aluminium sheet main body riveting are made by negative pole riveting block using cold-press process, made
Annular copper post and the formation interference of aluminium sheet main body must contain to obtain overall with inclusive, improve overall fastness and resistive
Energy；The negative pole riveting block of welding region same material is used into laser welding mode with negative terminal, welding procedure is not only simplify, and
And improve the overall performance and stability of product.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the Facad structure view of battery cap provided in an embodiment of the present invention；
Fig. 2 is the backside structure view of battery cap provided in an embodiment of the present invention；
Fig. 3 is the side view of battery cap provided in an embodiment of the present invention；
Fig. 4 is sectional view of the battery cap provided in an embodiment of the present invention before the welding of negative pole cylinder；
Fig. 5 is sectional view of the battery cap provided in an embodiment of the present invention after the welding of negative pole cylinder；
Fig. 6 is the stereogram that negative pole provided in an embodiment of the present invention rivets block；
Fig. 7 is the processing process figure that negative pole provided in an embodiment of the present invention rivets block；
Fig. 8 is that negative pole provided in an embodiment of the present invention rivets sectional view of the block before riveting；
Fig. 9 is that negative pole provided in an embodiment of the present invention rivets sectional view of the block after riveting；
Figure 10 is the stereogram of negative terminal provided in an embodiment of the present invention；
Figure 11 is negative pole provided in an embodiment of the present invention riveting block, negative terminal, the assembly technology flow chart of coping plate；
Illustrate：Coping plate 1, positive terminal 2, negative terminal 3, positive pole riveting block 4, negative pole riveting block 5, positive pole cylinder 21,
Positive pole bottom plate 22, negative pole cylinder 31, negative pole bottom plate 32, aluminium sheet body 51, annular copper post 52, the second mounting hole 53, sealing ring 6,
Insulated plastic offset plate 7, explosion-protection equipment 8.
Embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Fig. 1 to Fig. 5 is referred to, Fig. 1 to Fig. 5 is that the Facad structure for the electrokinetic cell top cover that the present embodiment is provided is regarded respectively
Sectional view before and after figure, backside structure view, side view and welding, can be shown, the electrokinetic cell top cover of the present embodiment includes by figure：
Coping plate 1, positive terminal 2, negative terminal 3, positive pole riveting block 4, negative pole riveting block 5.
Wherein, coping plate 1 is laminated structure, and it includes top surface and the bottom surface relative with top surface, and two are passed through by top surface
Wear to the first mounting hole for being used to install pole of bottom surface.
Positive terminal 2 includes positive pole cylinder 21 and is connected to the positive pole bottom plate 22 of the bottom of positive pole cylinder 21, and negative terminal 3 includes negative
Pole body 31 and the negative pole bottom plate 32 for being connected to the bottom of negative pole cylinder 31；The positive pole cylinder 21 of positive terminal 2 and the negative pole of negative terminal 3
Cylinder 31 is located in corresponding first mounting hole respectively, and the upper end of positive pole cylinder 21 and negative pole cylinder 31 exceeds coping plate 1
Top surface, positive pole bottom plate 22 and negative pole bottom plate 32 be located at coping plate 1 subjacent.
The positive pole cylinder 21 of positive terminal 2 is passed after the first mounting hole of correspondence and riveted with positive pole riveting block 4, negative terminal 3 it is negative
Pole body 31 pass correspondence the first mounting hole after with negative pole riveting block 4 rivet.
Referring to Fig. 6, Fig. 6 rivets the stereogram of block 5 for the negative pole that the present embodiment is provided.
Negative pole riveting block 5 includes the aluminium sheet body 51 being made up of aluminium and the annular copper post 52 being made up of copper material.Annular copper
Post 52 is entered in aluminium sheet body 51 using cold-press process riveting, is formed second mounting hole 53 being adapted with negative pole cylinder 31, is born
The negative pole cylinder 31 of pole 3 penetrates the second mounting hole 53 again after passing the first mounting hole of correspondence, afterwards by negative pole cylinder 31 and ring
Shape copper post 5 is connected by laser welding.
Specifically, on aluminium sheet body 51, the first through hole and the second through hole of connection are offered successively by its top surface to bottom surface,
First through hole is identical with the central shaft of the second through hole, and internal diameter of the internal diameter more than the second through hole of first through hole.Annular copper post 52
External diameter be equal to the internal diameter of first through hole, the internal diameter of annular copper post 52 is equal to the internal diameter of the second through hole, the height of annular copper post 52
It is slightly less than the height of first through hole；The top of annular copper post 52, stretches out along its circumferential level and is formed with protrusion first through hole
Outer outer edge；On the periphery wall of annular copper post 52, the lower position close to outer edge is formed with annular groove.
To form said structure, as shown in fig. 7, the specific processing technology of negative pole riveting block 5 is specially：
Step 101, aluminium sheet body 51 is made of aluminium：First make the aluminium sheet body 51 in rectangular parallelepiped structure；Again in aluminium
On plate body 51, the interconnected first through hole and second with same central shaft is opened up by its top surface to bottom surface successively and led to
Hole, and internal diameter of the internal diameter more than the second through hole of first through hole；
Step 102, it is made annular copper post 52 of copper material, the external diameter of the annular copper post 52 of control is equal to the interior of first through hole
Footpath, the internal diameter of annular copper post 52 are equal to the height that the internal diameter of the second through hole, the height of annular copper post 52 are not more than first through hole；
Step 103, as shown in figure 8, annular copper post 52 to be put into the first through hole on aluminium sheet body 51；Now, positioned at ring
The peripheral position of the first through hole on aluminium sheet body 51 is affiliated in the outer edge on the top of shape copper post 52, and the part of outer edge lower end is stretched into
In first through hole；
Step 104, using cold-press process, annular copper post 52 is completely forced into the first through hole on aluminium sheet body 51, such as
Shown in Fig. 9；Because the hardness of copper is higher than the hardness of aluminium, so in cold pressure procedure, on aluminium sheet body 51, in itself and annular copper post
The region that 52 outer edge leans, because extruding is deformed, forms a protuberance being adapted with groove and is caught in groove,
So that aluminium sheet body 51 and the annular automatic fastening of copper post 52, it is ensured that the good stability that both assemble.
After annular copper post 52 is pressed into the first through hole of aluminium sheet body 51, third through-hole and aluminium sheet sheet in annular copper post 52
The top surface of second through hole insertion aluminium sheet body 51 of body 51 and bottom surface, combination form the above-mentioned phase of negative pole cylinder 31 with negative terminal 3
Second mounting hole 53 of adaptation.
It is good spacing in order to be carried out to annular copper post 52 during riveting, can aluminium sheet body 51 first through hole
Bottom in the first inclined-plane is set, in the bottom of annular copper post 52, the second inclined-plane, the first inclined-plane and the second inclined-plane phase interworking are set
Limit function is realized in conjunction.Certainly, in other embodiments, other position-limit mechanisms can be also used, to realize to annular copper post 52
Limit function, is not limited to this.
In addition, also locating dowel can be set up in the bottom surface of aluminium sheet body 51, open up and be adapted to locating dowel in the top surface of coping plate 1
Positioning hole, the quantity of locating dowel preferably is at least two, is distributed along the even circumferential of first through hole.So, in assembling
Negative pole riveting block 5 can be rapidly and accurately overlayed on coping plate 1 so that the second mounting hole 53 of negative pole riveting block 5 with
First mounting hole of coping plate 1 keeps unanimous between the higher and lower levels, facilitates the assembling of negative terminal 3.
Referring to Fig. 10, Figure 10 show the stereogram of the negative terminal 3 of the present embodiment offer.
In the present embodiment, negative terminal 3 includes negative pole cylinder 31 and is connected to the negative pole bottom plate 32 of the bottom of negative pole cylinder 31, bears
Pole main body 31 and negative pole bottom plate 32 are copper material.
The processing technology of the negative terminal 3 is：Negative pole cylinder 31 is integrally formed using copper material and the bottom of negative pole cylinder 31 is connected to
The negative pole bottom plate 32 in portion.
To sum up, as shown in figure 11, the assembly technology of negative terminal 3 and coping plate 1, negative pole riveting block 5 is：
Step 201, by negative pole riveting block 5 overlay on coping plate 1 so that negative pole rivet block 5 the second mounting hole 53
Keep unanimous between the higher and lower levels with the first mounting hole of coping plate 1；
Step 202, by negative terminal 3 through coping plate 1 the first mounting hole and penetrate the second mounting hole 53；
Step 203, by negative pole main body 31 and the annular laser welding of copper post 52, so far negative terminal 3 and coping plate 1, negative pole riveting
Connect block 5 and assemble integral.
It is apparent that the top half of the inwall of the second mounting hole 53 is copper material, and penetrate the negative pole main body of the second mounting hole 53
31 be also copper material, because both are phase same material, thus common laser welding technology can be used, with traditional friction welding
Mode is compared, and can not only greatly simplify welding procedure, and improve the properties of product after welding.
In the present embodiment, electrokinetic cell top cover also includes sealing ring 6, insulated plastic offset plate 7, explosion-protection equipment 8.Wherein, seal
Snare is located in the negative pole main body 31 of negative terminal 3, when the negative pole main body 31 of negative terminal 3 penetrates the first mounting hole of coping plate 1,
Sealing ring is resisted against between the negative pole bottom plate 32 of negative terminal 3 and coping plate 1, realizes good sealing effectiveness.On insulated plastic offset plate
The screens being adapted with negative pole bottom plate 32 is formed with, in assembling process, negative terminal 3 is first assembled into one with insulated plastic offset plate,
Again with coping plate 1, the negative pole riveting assembly connection of block 5, the accuracy of assembling can be so improved, it is ensured that the uniformity of product quality.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of processing technology of electrokinetic cell top cover, the electrokinetic cell top cover includes coping plate, negative terminal and negative pole riveting
Offer the first mounting hole that bottom surface is through to by its top surface on block, the coping plate, the negative terminal include negative pole cylinder with
And it is connected to the negative pole bottom plate of negative pole cylinder bottom；Characterized in that, the processing technology, which includes the negative pole, rivets adding for block
Work step is rapid；
The procedure of processing of the negative pole riveting block includes：
Aluminium sheet body is made using aluminium, annular copper post is made using copper material；
By in the annular copper post riveting insertion aluminium sheet body, second mounting hole being adapted with the negative terminal is formed, and
The inwall of the annular copper post is set to be formed as all or part of inwall of the mounting hole.
2. the processing technology of electrokinetic cell top cover according to claim 1, it is characterised in that the processing technology also includes
The procedure of processing of the negative terminal；
The procedure of processing of the negative terminal includes：The negative pole cylinder is integrally formed using copper material and negative pole cylinder bottom is connected to
Negative pole bottom plate.
3. the processing technology of electrokinetic cell top cover according to claim 2, it is characterised in that the processing technology also includes
The negative terminal and negative pole are riveted into block, coping plate and assemble integral step：
It is described negative terminal and negative pole riveted into block, coping plate assemble integral step include：
Negative pole riveting block is stacked on the coping plate, and causes the position of first mounting hole and the second mounting hole
Put corresponding；
The first mounting hole is penetrated after the negative pole cylinder of the negative terminal is passed through into first mounting hole；
The negative pole cylinder and the annular copper post is integrally welded.
4. the processing technology of electrokinetic cell top cover according to claim 3, it is characterised in that by the negative pole cylinder with
In the integrally welded step of the annular copper post, using laser welding mode.
5. the processing technology of electrokinetic cell top cover according to claim 1, it is characterised in that aluminium is made in the use aluminium
The method of plate body is specifically included：
Make the aluminium sheet body in rectangular parallelepiped structure；
On the aluminium sheet body, the interconnected first through hole with same central shaft is opened up successively by its top surface to bottom surface
It is more than the internal diameter of the second through hole with the internal diameter of the second through hole, and the first through hole.
6. the processing technology of electrokinetic cell top cover according to claim 5, it is characterised in that be made in the use copper material
In the step of annular copper post, the external diameter of the annular copper post is controlled to be equal to internal diameter, the internal diameter of the annular copper post of first through hole
Internal diameter, the height of the annular copper post equal to the second through hole are not more than the height of first through hole.
7. the processing technology of electrokinetic cell top cover according to claim 6, it is characterised in that be made in the use copper material
Also include in the step of annular copper post：
On the top of the annular copper post, an outer edge is horizontally outward set up by its excircle；
On the periphery wall of the annular copper post, the lower position close to outer edge opens up annular groove.
8. the processing technology of electrokinetic cell top cover according to claim 7, it is characterised in that described by annular copper post riveting
The embedded intrinsic step of aluminium sheet includes：
The annular copper post is put into the first through hole of aluminium sheet body so that the outer edge of the annular copper post is located at first through hole
Outside, the part being located at below outer edge of the annular copper post is stretched into first through hole；
Using cold-press process, the annular complete riveting of copper post is entered in the first through hole of aluminium sheet body；During riveting, institute
The region leant on aluminium sheet body at it with the outer edge is stated, is adapted because crimp forms one with the annular groove
Protuberance and be caught in the annular groove.
9. the processing technology of electrokinetic cell top cover according to claim 3, it is characterised in that by the negative terminal with it is negative
Also include in the integral step of pole riveting block, coping plate assembling：The negative pole cylinder of the negative terminal is being passed through described first
Before mounting hole, a sealing ring is arranged in the periphery of the negative pole cylinder.
10. the processing technology of electrokinetic cell top cover according to claim 3, it is characterised in that the processing technology is also wrapped
Include：Some locating dowels are set in the bottom surface of the aluminium sheet body, some and locating dowel is opened up in the top surface of the coping plate
The positioning hole being adapted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547445.5A CN107248555B (en) | 2017-07-06 | 2017-07-06 | Processing technology of power battery top cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547445.5A CN107248555B (en) | 2017-07-06 | 2017-07-06 | Processing technology of power battery top cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107248555A true CN107248555A (en) | 2017-10-13 |
| CN107248555B CN107248555B (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547445.5A Active CN107248555B (en) | 2017-07-06 | 2017-07-06 | Processing technology of power battery top cover |
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| Country | Link |
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| CN (1) | CN107248555B (en) |
Cited By (3)
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| CN108550778A (en) * | 2018-05-29 | 2018-09-18 | 天津锦泰勤业精密电子有限公司 | Power battery plate, cover plate of power battery component, power battery |
| CN111987280A (en) * | 2019-05-22 | 2020-11-24 | 本田技研工业株式会社 | Battery pack |
| CN116111290A (en) * | 2023-03-01 | 2023-05-12 | 温州宏丰电工合金股份有限公司 | Copper-aluminum composite pole assembly, preparation method thereof and battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550778A (en) * | 2018-05-29 | 2018-09-18 | 天津锦泰勤业精密电子有限公司 | Power battery plate, cover plate of power battery component, power battery |
| CN111987280A (en) * | 2019-05-22 | 2020-11-24 | 本田技研工业株式会社 | Battery pack |
| CN111987280B (en) * | 2019-05-22 | 2023-03-10 | 本田技研工业株式会社 | Battery pack |
| CN116111290A (en) * | 2023-03-01 | 2023-05-12 | 温州宏丰电工合金股份有限公司 | Copper-aluminum composite pole assembly, preparation method thereof and battery |
| CN116111290B (en) * | 2023-03-01 | 2023-10-13 | 温州宏丰电工合金股份有限公司 | Copper-aluminum composite pole assembly, preparation method thereof and battery |
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| CN107248555B (en) | 2022-04-15 |
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