CN110224096A - A kind of Battery case frame and its manufacturing process and application - Google Patents
A kind of Battery case frame and its manufacturing process and application Download PDFInfo
- Publication number
- CN110224096A CN110224096A CN201910623199.6A CN201910623199A CN110224096A CN 110224096 A CN110224096 A CN 110224096A CN 201910623199 A CN201910623199 A CN 201910623199A CN 110224096 A CN110224096 A CN 110224096A
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- China
- Prior art keywords
- manufacturing process
- battery case
- aluminium alloy
- frame
- cabinet frame
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Classifications
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention discloses a kind of Battery case frame and its manufacturing process and application, comprising: liquid filling step；Cryogenic freezing step；Bend step；Welding step；Cabinet frame procedure of processing.The manufacturing process of cabinet frame provided by the invention can effectively promote cabinet frame entire compression intensity, so that the entire compression intensity of cabinet frame is extremely close to the compression strength of tubulose aluminium alloy itself, and working environment is substantially improved, labor intensity is low, and yields is high.
Description
Technical field
The present invention relates to new-energy automobile field more particularly to a kind of Battery case frame and its manufacturing process and applications.
Background technique
Battery (Battery) refer to fill electrolyte solution and metal electrode with generate the cup of electric current, slot or other containers or
Chemical energy can be converted to the device of electric energy by the segment space of clad vessel, be core component in new-energy automobile field it
One, and one of the research and development emphasis of new-energy automobile at present, the safety coefficient of new energy vehicle battery is comparatively still at present
It is old lower, it can listen certain the new energy vehicle for mentioning so-and-so area that spontaneous combustion occurs often, the people of initiation is to new-energy automobile
Worry, therefore promoted new energy vehicle battery safety be a very urgent problem, after directly determining new energy vehicle
Phase development prospect.
It nowadays is all to be installed together the connection of multiple battery modules applied to the battery general structure of new energy field, so
After be fixed on Battery case, then by pallet covering shell carry out security protection, Battery case is installed after properly protecting
On automobile, therefore pallet not only wants light, thermal diffusivity good, and intensity must be high, can be with the long-term top mother-in-law of automobile without going out
Situations such as existing damaged, and when battery breaks down, the high-temperature expansion even wind of explosion that can effectively resist battery
Danger, to protect the life security of occupants, in order to reach the electricity on the present new-energy automobile of such performance
Pond cabinet is generally aluminium alloy and is made, and feed consumption is most in Battery case, and the part for playing most important protective effect is
Cabinet frame, and some bottom cost cabinet frame manufacturing process are to be formed using more root canal shape aluminum alloy piping weldings, and directly weld
There are a plurality of weld seams for the cabinet frame of composition, when being clashed or inside is suppressed, easily cause weld cracking, complete
Full property is very low, and some high-quality cabinet frames are made of then the grains of sand to be poured into tubulose aluminium alloy, so using husky technique is filled
It reheats and is bent afterwards, and the cabinet frame of this kind of technique manufacture only exists a weld seam, therefore pressure-bearing anti-pressure ability is opposite
Preferably, intensity is higher, but due to extruding of the sand in bending process by bending power when is easily flowed in pipe, so that tubular aluminum
Alloy bending place unbalance stress, and the grains of sand be particulate matter this will also result in bending place there are hollow so that the entirety of cabinet frame
Compression strength is declined, and optimization criteria, and large labor intensity is not achieved, and generally filling the grains of sand used in husky technique is metal
The grains of sand, in order to guarantee the bending of tubulose aluminium alloy uniformly, the used metal grains of sand also can be fine and smooth as far as possible, this is very easy to cause to raise
Dirt, such working environment easily cause influence to employee's health, a series of occupations relevant to breathing such as metal lung occur
Disease, and yields is also low.
Summary of the invention
In order to overcome the shortcomings of above-mentioned technology, the purpose of the present invention is to provide a kind of manufacture works of Battery case frame
Skill can effectively promote cabinet frame entire compression intensity by the technique, so that the entire compression intensity pole of cabinet frame
The compression strength close to tubulose aluminium alloy itself is spent, and substantially improves working environment, labor intensity is low, and yields is high.
In order to solve the above technical problems, the technical scheme is that
A kind of manufacturing process of Battery case frame, the manufacturing process include the following steps:
Liquid filling step: liquid is poured into tubulose aluminium alloy, then plug is set in tubulose aluminium alloy both ends and is sealed；
Cryogenic freezing step: the aluminium alloy pipe after liquid filling is refrigerated under the freezing point of liquid；
Bending step: tubulose aluminium alloy, which is carried out repeatedly bending, makes it at frame, then be heat-treated to plug and takes plug
Under, then the aluminium alloy pipe for being bent into frame is detected and corrected；
Welding step: the both ends of the aluminum alloy square tube for being bent into frame are welded together, and form the cabinet frame.
Preferably, the manufacturing process further includes cabinet frame procedure of processing: the cabinet frame is clamped in CNC drilling
In tooling, the bolt hole on cabinet frame is processed, then cabinet jamb surface is processed by shot blasting.
Preferably, it in the cabinet frame procedure of processing, after the completion of polishing, is welded in cabinet frame side multiple
Link block.
Preferably, in the liquid filling step, the liquid that pours into is water.
Preferably, in the cryogenic freezing step, cryogenic temperature is 0 degree or less.
Preferably, in the bending step, the temperature of heat treatment is 100 to 200 degree, and heat treatment time is 10 to 30 seconds.
Preferably, the plug corresponds to the aluminum alloy square tube and is square sleeve-shaped, and inner wall is provided with non-slip texture.
Preferably, the aluminium alloy pipe is aluminum alloy square tube.
Preferably, the cabinet frame entire compression intensity can reach 360 megapascal.
Preferably, the Battery case frame is used in the application in new-energy automobile field preferably as new-energy automobile
Aluminum alloy battery cabinet frame.
Compared with prior art, the invention has the advantages that:
The present invention replaces filling husky by liquid filling, essentially eliminates brought poplar dirt problem in pouring process, and because normal
Geothermal liquid has extraordinary mobility, filling more simple and convenient for the grains of sand, and cost is also lower, utilizes liquid
The feature of body hypothermia solidification, to realize to tubulose aluminium alloy filler, so that it is more uniform to extend when the bending of tubulose aluminium alloy, and
And will not leave behind hollow, the compression strength of bending place is promoted, to promote the intensity of cabinet frame entirety.
Detailed description of the invention
Fig. 1 is cabinet frame overall structure diagram of the present invention.
Appended drawing reference: 1, cabinet frame, 2, link block, 3, nut.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
A kind of manufacturing process of new-energy automobile aluminum alloy battery cabinet frame as shown in connection with fig. 1, comprising:
Liquid filling step: taking the tubulose aluminium alloy for setting size, which dictates that the size of cabinet frame 1, is then closed in tubular aluminum
Liquid is poured into gold, then plug is set in tubulose aluminium alloy both ends and is sealed, and is prevented liquid from leaking out, is avoided tubulose aluminium alloy
Interior filling is insufficient.
Cryogenic freezing step: the aluminium alloy pipe after liquid filling is refrigerated under the freezing point of liquid to (freezing can reduce aluminium
Alloy ductility, and high temperature can promote the ductility of aluminium alloy, aluminium alloy is easier to bend at high operating temperatures naturally, but fills
The shortcomings that husky technique, can not make up, and the opposite next advantage of husky process bands that fills of technique of pouring water is then fairly obvious)；So that liquid
Body freezes, and in aluminium alloy pipe bending, consumption is transferred to the power inside aluminium alloy pipe, so that the cured body fluid of bending place
With bending fragmentation, and since aluminium alloy is harder than solidification liquid, solidification liquid stress will not damage aluminium alloy, and
It is voluntarily fragmentation, and the solidification liquid in the sealing of tubulose aluminium alloy both ends in tubulose aluminium alloy can not escape, therefore curved
The fragmentation for solidifying liquid at folding is very uniform, so that bending place extension is highly uniform.
Bend step: using bar folder and mold (mold is tool commonly used in the art, and effect here is: by
The ductility of aluminium alloy can be declined with respect to room temperature or the condition of high temperature under low-temperature condition, and mold can then play protection aluminium
Alloy square pipe prevents aluminum alloy square tube fracture in bending) by aluminum alloy square tube progress, repeatedly bending makes it at frame, then to stifled
Head be heat-treated and remove plug, and plug belongs to disposable product, needs hydraulic press that plug is set in aluminium during installation
Alloy square pipe both ends, so that plug can be effectively installed on aluminum alloy square tube, to prevent aluminum alloy square tube from leading in bending
What is caused is risen suddenly by aluminum alloy square pipe pressure, and plug moment is caused to be detached from, in aluminum alloy square tube freezing since thermal expansion is cold
The fixation of contracting plug is stronger, and being heat-treated when needing to take may make plug to expand, but also the fixation liquid of this part
Melt, so that plug takes out more convenient (also needing to take out using hydraulic press, impersonal force is feasible), is then detected and rectified
Just.
Welding step: the aluminum alloy square tube for being bent into frame is sent into welding post, then applies positioning tool and welding
Tooling welds together aluminium alloy pipe both ends, forms cabinet frame 1, and the cabinet frame 1 being consequently formed only has a weld seam,
Greatly reduce the risk of pressure-bearing cracking.
The manufacturing process of aluminum alloy battery cabinet frame further includes 1 procedure of processing of cabinet frame: cabinet frame 1 is clamped in
On CNC drilling tool, the bolt hole on cabinet frame 1 is processed, the effect of bolt hole is for all kinds of battery moulds are fixedly mounted
Block and battery itself or cabling, and the nut 3 being easily installed is provided on bolt hole, then again to 1 surface of cabinet frame into
Row polishing, in order to more beautiful, reduction burr.
In 1 procedure of processing of cabinet frame, after the completion of polishing, multiple link blocks 2 is welded in 1 side of cabinet frame, are used for
The fixation of utility tray entirety is bent in step, and the temperature of heat treatment is 100 to 200 degree, and heat treatment time is 10 to 30 seconds,
It is heated that plug can just be made, and will not influence aluminium alloy (heated suddenly at very low temperature, easily to influence intensity of aluminum alloy),
The aluminium alloy pipe is aluminum alloy square tube, and the plug correspond to the aluminum alloy square tube and is square sleeve-shaped, and inner wall setting
In non-slip texture (further preventing falling off), the 1 entire compression intensity of cabinet frame can reach 360 megapascal.The electricity
Pond cabinet frame new-energy automobile field application, preferably as new-energy automobile aluminum alloy battery cabinet frame.
Embodiment one: in liquid filling step, institute's liquid filling body is that (freezing point of water is higher, therefore freezes faster, the cost of freezing for water
It is lower, and the ductility influence of corresponding aluminum alloy materials itself is small), and due to that can be expanded below water freezing point therefore relative to it
The amount of pouring into of water is opposite for his liquid to avoid aluminum alloy square tube swelling impaired less, in cryogenic freezing step, freezing
Temperature is 0 degree or less.
The innovative point of invention is: providing a kind of manufacturing process of new-energy automobile aluminum alloy battery cabinet frame, passes through
The technique can effectively promote 1 entire compression intensity of cabinet frame, so that the entire compression of cabinet frame 1 is extremely close to tubulose
The compression strength of aluminium alloy itself, and working environment is substantially improved, labor intensity is low, and yields is high.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of manufacturing process of Battery case frame, which is characterized in that the manufacturing process includes the following steps:
Liquid filling step: liquid is poured into tubulose aluminium alloy, then plug is set in tubulose aluminium alloy both ends and is sealed；
Cryogenic freezing step: the aluminium alloy pipe after liquid filling is refrigerated under the freezing point of liquid；
Bending step: tubulose aluminium alloy, which is carried out repeatedly bending, makes it at frame, then be heat-treated to plug and takes plug
Under, then the aluminium alloy pipe for being bent into frame is detected and corrected；
Welding step: the both ends of the aluminum alloy square tube for being bent into frame are welded together, and form the cabinet frame.
2. the manufacturing process of Battery case frame according to claim 1, which is characterized in that the manufacturing process further includes
Cabinet frame procedure of processing: the cabinet frame being clamped on CNC drilling tool, the bolt hole on cabinet frame is processed,
Then cabinet jamb surface is processed by shot blasting.
3. the manufacturing process of Battery case frame according to claim 2, which is characterized in that the cabinet frame processing step
In rapid, after the completion of polishing, multiple link blocks are welded in cabinet frame side.
4. the manufacturing process of Battery case frame according to claim 1, which is characterized in that in the liquid filling step, institute
Stating and pouring into liquid is water.
5. the manufacturing process of Battery case frame according to claim 1 or 3, which is characterized in that the cryogenic freezing step
In rapid, cryogenic temperature is 0 degree or less.
6. the manufacturing process of Battery case frame according to claim 1, which is characterized in that in the bending step, heat
The temperature of processing is 100 to 200 degree, and heat treatment time is 10 to 30 seconds.
7. the manufacturing process of Battery case frame according to claim 1 or 2, which is characterized in that the plug corresponds to institute
It states aluminum alloy square tube to be square sleeve-shaped, and inner wall is provided with non-slip texture.
8. the manufacturing process of Battery case frame according to claim 1, it is characterised in that: the aluminium alloy pipe is aluminium
Alloy square pipe.
9. the Battery case frame that manufacturing process described in claim 1-8 any one obtains, it is characterised in that: the cabinet
Frame entire compression intensity can reach 360 megapascal.
10. Battery case frame according to any one of claims 8 is used in the application in new-energy automobile field preferably as new-energy automobile
Aluminum alloy battery cabinet frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623199.6A CN110224096A (en) | 2019-07-11 | 2019-07-11 | A kind of Battery case frame and its manufacturing process and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623199.6A CN110224096A (en) | 2019-07-11 | 2019-07-11 | A kind of Battery case frame and its manufacturing process and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110224096A true CN110224096A (en) | 2019-09-10 |
Family
ID=67812353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623199.6A Pending CN110224096A (en) | 2019-07-11 | 2019-07-11 | A kind of Battery case frame and its manufacturing process and application |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09267133A (en) * | 1996-04-01 | 1997-10-14 | Suzuki Motor Corp | Device for filling and discharging filling material into/ from hollow double tube |
| US20050268687A1 (en) * | 2004-05-10 | 2005-12-08 | Endress + Hauser Flowtec Ag | Manufacturing a curved measuring tube for a vibratory measurement pickup |
| CN101468367A (en) * | 2007-12-28 | 2009-07-01 | 天津市津宝乐器有限公司 | Method for processing tube number winding pipe |
| CN101804429A (en) * | 2010-03-26 | 2010-08-18 | 东莞市旗丰消声器有限公司 | Bending process of double-layer pipe |
| CN103331347A (en) * | 2013-06-24 | 2013-10-02 | 重庆建设摩托车股份有限公司 | Flexible bending method for metal pipe fitting |
| CN109590690A (en) * | 2018-12-25 | 2019-04-09 | 东风时代(武汉)电池系统有限公司 | The manufacturing method of Integral bending bridging type frame |
-
2019
- 2019-07-11 CN CN201910623199.6A patent/CN110224096A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09267133A (en) * | 1996-04-01 | 1997-10-14 | Suzuki Motor Corp | Device for filling and discharging filling material into/ from hollow double tube |
| US20050268687A1 (en) * | 2004-05-10 | 2005-12-08 | Endress + Hauser Flowtec Ag | Manufacturing a curved measuring tube for a vibratory measurement pickup |
| CN101468367A (en) * | 2007-12-28 | 2009-07-01 | 天津市津宝乐器有限公司 | Method for processing tube number winding pipe |
| CN101804429A (en) * | 2010-03-26 | 2010-08-18 | 东莞市旗丰消声器有限公司 | Bending process of double-layer pipe |
| CN103331347A (en) * | 2013-06-24 | 2013-10-02 | 重庆建设摩托车股份有限公司 | Flexible bending method for metal pipe fitting |
| CN109590690A (en) * | 2018-12-25 | 2019-04-09 | 东风时代(武汉)电池系统有限公司 | The manufacturing method of Integral bending bridging type frame |
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Application publication date: 20190910 |
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| RJ01 | Rejection of invention patent application after publication |