CN106654087A - Aluminum battery box body for electric vehicle and manufacturing method of aluminum battery box body - Google Patents
Aluminum battery box body for electric vehicle and manufacturing method of aluminum battery box body Download PDFInfo
- Publication number
- CN106654087A CN106654087A CN201610930795.5A CN201610930795A CN106654087A CN 106654087 A CN106654087 A CN 106654087A CN 201610930795 A CN201610930795 A CN 201610930795A CN 106654087 A CN106654087 A CN 106654087A
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- Prior art keywords
- battery case
- battery box
- case shell
- frame
- flange
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 24
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 39
- 238000004080 punching Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 230000000750 progressive effect Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000000265 homogenisation Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001192 hot extrusion Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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 of a single cell or a single battery
-
- 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 of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
-
- 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
Abstract
The invention discloses an aluminum battery box body for an electric vehicle and a manufacturing method of the aluminum battery box body. A split assembly and combination design is adopted by a battery box body structure, and the battery box body structure comprises a battery box shell, a battery box cover, a suspension scrolling box, brackets, inner brackets and reinforcing rib plates. Through the arrangement of convex ring blocks of the battery box shell, a heat emission hole in a side plate and the inner brackets, the internal heat dissipation effect of the battery box body is improved; through a bracket design of the rib plate structure, the load capacity and the reliability of the battery box body are improved; and a lightweight high-strength improved aluminum alloy is adopted as the material, so that the strength of the plate and the stamping property are improved while the weight of a product is reduced through optimizing aluminum alloy components. A stamping and integral forming structure is adopted by the battery box shell, the battery box cover, the suspension scrolling box and the brackets, so that the problems of multiple casting defects, poor quality, high welding cost, a difficulty in deformation control and the like of the aluminum battery box body in the prior art are solved. The aluminum battery box body has the characteristics of light weight of the product, high overall strength, a good heat dissipation effect, few welding procedures, long service life and the like.
Description
Technical field
The present invention relates to a kind of electric automobile battery box body, more particularly to a kind of electric automobile aluminium Battery case and its system
Make method.
Background technology
Electrokinetic cell system is the key components and parts of pure electric automobile, and its security, reliability and durability are to closing weight
Will, decide the performance of car load.It is arranged in underbody lower section more power battery of pure electric automobile system, there is more cruel
Installation environment, Battery case, except to accommodate all battery cores and management system, still suffers from battery as the carrier of electrokinetic cell
The shock of the foreign matters such as vibration and sandstone under the deadweight of case itself and automobile high-speed motion state, while instead of traditional electronic vapour
The chassis of car, needs battery case sealing water resistance good.How weight is mitigated further in the case of proof strength and sealing
Improving the endurance of automobile becomes the developing direction of battery case combination property.
The lightweight of new-energy automobile is inseparable with new material.Authoritative expert points out, new-energy automobile lightweight future
Relate generally to 5 big materials：Thermoplastic, the heat of carbon fiber reinforcement that aluminium alloy, magnesium alloy, high strength steel, carbon fiber are strengthened
Thermoset material.Use to these materials, associated vehicle enterprise can from the processing and connection of cost and material, vehicle body repair and
The aspects such as material recovery carry out comprehensive consideration to determine consumption.
But receive from the point of view of situation from current market, in numerous light materials, the comparative advantages of aluminium alloy are but bright
It is aobvious.In 2014-2015 European car vehicle body conferences, aluminium alloy is new with the application technology of many premium properties and maturation
Energy automobile material engineering teacher are chosen as automotive light weight technology preferred material.
In prior art, aluminium Battery case is mainly using monoblock cast and welding two ways manufacture.
Wherein in terms of integral casting process：Because Battery case sheet material is generally relatively thin, casting process is inevitably
There is pore, pin hole, crackle, shrinkage cavity, loose, deformation, cold shut, the defect such as do not pour, cause Qualified Products Rate low, while
The security performance of pure electric automobile is caused a hidden trouble.
Wherein integral solder process aspect：Aluminium alloy is in welding, and weld seam and its neighbouring temperature are very high, after cooling, weldering
Seam just generates different degrees of contraction and internal stress, makes welded unit produce various modifications, the battery deformed after causing to weld
Casing cannot install battery.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of electric automobile aluminium Battery case and its manufacture
Technique.
A kind of electric automobile aluminium Battery case includes battery case shell, battery box cover, hangs volume frame, bracket, inner support and reinforcement
Gusset；Battery case shell, battery box cover, suspension volume frame, bracket, inner support and reinforcement gusset adopt aluminum alloy materials, wherein electricity
Pond case shell, battery box cover, suspension volume frame and bracket adopt punching press integrated formed structure, and battery case shell is in the side of Y direction
Flange is provided with louvre and pipeline hole, and bottom is provided with the raised annular block in four paralleled by X axis directions, and it is closed loop frame to hang volume frame,
Including vertical edge frame and horizontal frame, vertical edge frame inner surface coordinates welding solid with the side flange highest edge of battery case shell four
Fixed, battery box cover upper surface is the progressive notch cuttype face of three-level symmetrical before and after X-direction, and ladder molded line is parallel with X-direction, three
Level progressive notch cuttype face X-direction keep left end centre position be protuberance controller storage room, the battery box cover first order is trapezoidal
Horizontal plane is flange face, is connected with the horizontal frame for hanging volume frame, and bracket is by three X-direction gussets and four Y-axis sides
To gusset composition, gusset is fitted with battery case shell bottom surface, wherein two X-direction gussets positioned at outside include turnup structure, its
Flange is fitted with battery case shell-side flange, X-direction keep left end two Y direction gussets include flange roll up flat structure, it is turned over
Side is fitted with battery case shell-side flange, and volume is averagely provided with connecting hole, and the keep right Y direction gusset at end of X-direction is turned over including two sections
Flat structure is rolled up on side, and its first paragraph flange is fitted with battery case shell-side flange, and final stage volume is flat to be provided with connecting hole, and inner support is provided with
Five groups, the spacer region being separately fixed between parallel raised annular block and battery case shell both sides of the edge area, strengthening gusset is used for
Reinforcement is fixed with the Y direction gusset of connecting hole and rolls up flat section.
Preferably, what described battery case shell, battery box cover, suspension volume frame, bracket, inner support and reinforcement gusset were adopted
Aluminium alloy is high-strength light degree type improved aluminum alloy, and its material composition is divided into by quality：Si contents are 5.00-6.00%, Mg content
It is that 0.10-0.20%, Sc content is 0.10-0.15% for 0.25-0.35%, Ti content, other are by Al and inevitable impurity structure
Into.
A kind of manufacture method of electric automobile aluminium Battery case, comprises the following steps：
1）Battery case shell punch forming：Raw material aluminium sheet after punch press successively drawn, flange, shaping, side punching operation into
Type；
2）Battery box cover punch forming：Raw material aluminium sheet is stretched, repaiied by punch press successively Jing one-off drawings, succeeding stretch, three times
Side, punching, integer operation aftershaping；
3）Hang volume frame punch forming：Raw material aluminium sheet is by punch press successively Jing blankings, stretching, deburring, punching operation aftershaping；
4）Bracket punch forming：Raw material aluminium sheet is by punch press successively Jing blankings, stretching, deburring, punching operation aftershaping；
5）Battery case shell is welded with volume frame is hung：Step 1 will be completed）Battery case valve jacket enter to complete step 3）Suspension volume frame
It is interior, the vertical edge frame inner surface and the side flange highest edge snug fit of battery case shell four of suspension volume frame are made, and be welded and fixed
In one；
6）Combination assembling：Step 5 will be completed）The battery case shell for being fixedly welded on one be put into and complete step 4）Bracket in；
By five groups of inner supports be separately fixed at spacer region between parallel raised annular block and with battery case shell both sides of the edge area；To add
The Y direction gusset that strong gusset is used to strengthen being fixed with connecting hole rolls up flat section；Step 2 will be completed）Battery box cover be installed on
On battery case shell, the flange face and the horizontal frame upper surface for hanging volume frame for making battery box cover is fitted and connected.
Preferably, described raw material aluminium sheet passes through casting, Homogenization Treatments, rolling deformation, heat treatment and timeliness
Handling process is made, and Homogenization Treatments technique is：180 DEG C/12h, water-cooled；Rolling deformation technique is 460 DEG C/1h hot extrusions
Pressure, time-triggered protocol is 24 hours.
Preferably, the stamping forming one-off drawing of described battery box cover be molded for the first time for controller storage room, it is secondary
It is stretched as controller storage room post forming, is stretched as the progressive notch cuttype face shaping of three-level for three times.
Preferably, the most deep height of the most deep height of the stamping forming one-off drawing of described battery box cover and succeeding stretch
Spend for 1:2.
Designed using split assembling combination in Battery case structure of the present invention, including battery case shell, battery box cover, suspension volume
Frame, bracket, inner support and reinforcement gusset, are arranged by the raised annular block of battery case shell, the louvre of side plate and inner support, carry
High Battery case internal heat dissipating effect, by the bracket design of reinforcing plate structure, improves Battery case load capacity and reliability
Property；High-strength light degree type improved aluminum alloy is adopted on material, by optimizing al alloy component, while reducing product weight, is carried
High its plate intensity and punching performance；Wherein battery case shell, battery box cover, suspension volume frame and bracket are integrally formed using punching press
Structure, solves that aluminum Battery case casting flaw in prior art is more, of poor quality, and welding cost height, Deformation control difficulty etc. are asked
Topic, the present invention has product weight light, and bulk strength height, good heat dissipation effect, few welding sequence, high life, finished product make
The features such as cycle is short.
Description of the drawings
Fig. 1 is electric automobile aluminium Battery case of the present invention --- overall structure diagram；
Fig. 2 is electric automobile aluminium Battery case of the present invention --- overall structure diagram（Except battery box cover）；
Fig. 3 is electric automobile aluminium Battery case of the present invention --- battery case shell is fixedly welded on the structure of one with volume frame is hung
Schematic diagram；
Fig. 4 is electric automobile aluminium Battery case of the present invention --- battery box cover structural representation；
Fig. 5 is electric automobile aluminium Battery case of the present invention --- carrier structure schematic diagram；
Fig. 6 is electric automobile aluminium Battery case of the present invention --- battery case shell punch forming process flow chart；
Fig. 7 is electric automobile aluminium Battery case of the present invention --- battery box cover punch forming process flow chart；
Fig. 8 is electric automobile aluminium Battery case of the present invention --- hang volume frame punch forming process flow chart；
Fig. 9 is electric automobile aluminium Battery case of the present invention --- bracket punch forming process flow chart；
In figure, battery case shell 1, battery box cover 2, suspension volume frame 3, bracket 4, inner support 5, reinforcement gusset 6, louvre 11, pipeline
Hole 12, raised annular block 13, notch cuttype face 21, controller storage room 22, X-direction gusset 41, Y direction gusset 42.
Specific embodiment
As Figure 1-5, a kind of electric automobile aluminium Battery case includes battery case shell 1, battery box cover 2, hangs volume frame
3rd, bracket 4, inner support 5 and reinforcement gusset 6；Battery case shell 1, battery box cover 2, suspension volume frame 3, bracket 4, inner support 5 and reinforcement
Gusset 6 adopts aluminum alloy materials, and wherein battery case shell 1, battery box cover 2, suspension volume frame 3 and bracket 4 are using punching press one
Molding structure, battery case shell 1 is provided with louvre 11 and pipeline hole 12 in the side flange of Y direction, and bottom is provided with four parallel X
Axial raised annular block 13, hangs volume frame 3 for closed loop frame, including vertical edge frame and horizontal frame, vertical edge frame inner surface
Coordinate with the side flange highest edge of battery case shell 1 four and be welded and fixed, the upper surface of battery box cover 2 is symmetrical before and after X-direction
The progressive notch cuttype face 21 of three-level, ladder molded line is parallel with X-direction, and the progressive notch cuttype face 21X direction of principal axis of three-level keeps left in end
Meta is set to the controller storage room 22 of protuberance, and battery box cover first order trapezoid horizontal face is flange face, with the water for hanging volume frame
Flat rim fits connection, bracket 4 is made up of three X-direction gussets 41 with four Y direction gussets 42, gusset and battery case shell
1 bottom surface is fitted, wherein two X-direction gussets 41 positioned at outside include turnup structure, its flange and the side flange patch of battery case shell 1
Close, keep left two Y direction gussets 42 at end of X-direction include that flange rolls up flat structure, the side flange patch of its flange and battery case shell 1
Close, volume is averagely provided with connecting hole, the keep right Y direction gusset 42 at end of X-direction includes that two sections of flange roll up flat structures, its first paragraph
Flange is fitted with the side flange of battery case shell 1, and final stage volume is flat to be provided with connecting hole, and inner support 5 is provided with five groups, is separately fixed at flat
Spacer region and the both sides of the edge area of battery case shell 1 between capable raised annular block 13, strengthens gusset 6 and is fixed with company for reinforcement
Connect the Y direction gusset flat sections of volume 42 in hole.
The battery case shell 1 of electric automobile aluminium Battery case, battery box cover 2, suspension are rolled up frame 3, bracket 4, inner support 5 and are added
For high-strength light degree type improved aluminum alloy, its material composition is divided into the aluminium alloy that strong gusset 6 is adopted by quality：Si contents are
It is that 0.10-0.20%, Sc content is 0.10-0.15% that 5.00-6.00%, Mg content is 0.25-0.35%, Ti content, and other are by Al
And inevitably impurity is constituted.
A kind of manufacture method of electric automobile aluminium Battery case, comprises the following steps：
1）Battery case shell punch forming：As shown in fig. 6, raw material aluminium sheet is by punch press successively drawn, flange, shaping, side blow
Hole operation aftershaping；
2）Battery box cover punch forming：As shown in fig. 7, raw material aluminium sheet by punch press successively Jing one-off drawings, succeeding stretch, three
Secondary stretching, deburring, punching, integer operation aftershaping；
3）Hang volume frame punch forming：As shown in figure 8, raw material aluminium sheet passes through punch press Jing blankings, stretching, deburring, punching successively
Operation aftershaping；
4）Bracket punch forming：As shown in figure 9, raw material aluminium sheet is by punch press successively Jing blankings, stretching, deburring, punching operation
Aftershaping；
5）Battery case shell is welded with volume frame is hung：Step 1 will be completed）Battery case shell 1 be inserted in and complete step 3）Suspension volume frame 3
It is interior, the vertical edge frame inner surface and the side flange highest edge snug fit of battery case shell 1 four of suspension volume frame 3 are made, and weld solid
Due to one；
6）Combination assembling：Step 5 will be completed）The battery case shell 1 for being fixedly welded on one be put into and complete step 4）Bracket 4
It is interior；By five groups of inner supports 5 be separately fixed at spacer region between parallel raised annular block 13 and with the both sides of the edge of battery case shell 1
Area；Y direction gusset flat sections of volume 42 that gusset 6 is used to strengthen being fixed with connecting hole will be strengthened；Step 2 will be completed）Battery
Case lid 2 is installed on battery case shell 1, and the flange face for making battery box cover 2 and the horizontal frame upper surface for hanging volume frame 3 are fitted company
Connect.
Described raw material aluminium sheet passes through casting, Homogenization Treatments, rolling deformation, heat treatment and aging treatment process system
Form, Homogenization Treatments technique is：180 DEG C/12h, water-cooled；Rolling deformation technique be 460 DEG C/1h hot extrusions, time-triggered protocol
For 24 hours.
The described stamping forming one-off drawing of battery box cover 2 is that for the first time shaping, succeeding stretch are controller storage room 22
The post forming of controller storage room 22, it is stretched as the progressive notch cuttype face 21 of three-level for three times and is molded.
The most deep height of the described stamping forming one-off drawing of battery box cover 2 is 1 with the most deep height of succeeding stretch:2.
Claims (6)
1. a kind of electric automobile aluminium Battery case, it is characterised in that including battery case shell（1）, battery box cover（2）, hang volume frame
（3）, bracket（4）, inner support（5）And reinforcement gusset（6）；Battery case shell（1）, battery box cover（2）, hang volume frame（3）, bracket
（4）, inner support（5）And reinforcement gusset（6）Adopt aluminum alloy materials, wherein battery case shell（1）, battery box cover（2）, hang volume
Frame（3）And bracket（4）Adopt punching press integrated formed structure, battery case shell（1）Louvre is provided with the side flange of Y direction
（11）And pipeline hole（12）, bottom is provided with the raised annular block in four paralleled by X axis directions（13）, hang volume frame（3）For closed loop frame,
Including vertical edge frame and horizontal frame, vertical edge frame inner surface and battery case shell（1）Four sides flange highest edge coordinate welding
It is fixed, battery box cover（2）Upper surface is the progressive notch cuttype face of three-level symmetrical before and after X-direction（21）, ladder molded line and X-axis side
To parallel, the progressive notch cuttype face of three-level（21）X-direction keep left end centre position be protuberance controller storage room（22）, electricity
Pond case lid first order trapezoid horizontal face is flange face, is connected with the horizontal frame for hanging volume frame, bracket（4）By three X-axis
Direction gusset（41）With four Y direction gussets（42）Composition, gusset and battery case shell（1）Bottom surface is fitted, wherein positioned at outside
Two X-direction gussets（41）Including turnup structure, its flange and battery case shell（1）Side flange laminating, X-direction keeps left end
Two Y direction gussets（42）Flat structure, its flange and battery case shell are rolled up including flange（1）Side flange laminating, volume averagely sets
There is a connecting hole, X-direction is kept right the Y direction gusset at end（42）Including two sections of flange volume flat structures, its first paragraph flange and electricity
Pond case shell（1）Side flange laminating, final stage volume is flat to be provided with connecting hole, inner support（5）Five groups are provided with, are separately fixed at parallel
Raised annular block（13）Between spacer region and battery case shell（1）Both sides of the edge area, strengthens gusset（6）For strengthening being fixed with
The Y direction gusset of connecting hole（42）Roll up flat section.
2. electric automobile aluminium Battery case according to claim 1, it is characterised in that described battery case shell（1）, electricity
Pond case lid（2）, hang volume frame（3）, bracket（4）, inner support（5）And reinforcement gusset（6）The aluminium alloy for adopting is for light-high-strength
Type improved aluminum alloy, its material composition is divided into by quality：Si contents contain for 5.00-6.00%, Mg content for 0.25-0.35%, Ti
It is 0.10-0.15% to measure as 0.10-0.20%, Sc content, and other are made up of Al and inevitable impurity.
3. a kind of manufacture method of electric automobile aluminium Battery case as claimed in claim 1, comprises the following steps：
1）Battery case shell punch forming：Raw material aluminium sheet after punch press successively drawn, flange, shaping, side punching operation into
Type；
2）Battery box cover punch forming：Raw material aluminium sheet is stretched, repaiied by punch press successively Jing one-off drawings, succeeding stretch, three times
Side, punching, integer operation aftershaping；
3）Hang volume frame punch forming：Raw material aluminium sheet is by punch press successively Jing blankings, stretching, deburring, punching operation aftershaping；
4）Bracket punch forming：Raw material aluminium sheet is by punch press successively Jing blankings, stretching, deburring, punching operation aftershaping；
5）Battery case shell is welded with volume frame is hung：Step 1 will be completed）Battery case shell（1）It is inserted in and completes step 3）Suspension volume
Frame（3）It is interior, make suspension roll up frame（3）Vertical edge frame inner surface and battery case shell（1）Four side flange highest edge snug fits,
And be fixedly welded on integrally；
6）Combination assembling：Step 5 will be completed）The battery case shell for being fixedly welded on one（1）It is put into and completes step 4）Bracket
（4）It is interior；By five groups of inner supports（5）It is separately fixed at parallel raised annular block（13）Between spacer region and with battery case shell
（1）Both sides of the edge area；Gusset will be strengthened（6）For strengthening being fixed with the Y direction gusset of connecting hole（42）Roll up flat section；Will be complete
Into step 2）Battery box cover（2）It is installed on battery case shell（1）On, make battery box cover（2）Flange face with hang volume frame（3）'s
Horizontal frame upper surface is fitted and connected.
4. the manufacture method of electric automobile aluminium Battery case according to claim 3, it is characterised in that described former material
Material aluminium sheet is made by casting, Homogenization Treatments, rolling deformation, heat treatment and aging treatment process, Homogenization Treatments
Technique is：180 DEG C/12h, water-cooled；Rolling deformation technique is 460 DEG C/1h hot extrusions, and time-triggered protocol is 24 hours.
5. the manufacture method of electric automobile aluminium Battery case according to claim 3, it is characterised in that described battery
Case lid（2）Stamping forming one-off drawing is controller storage room（22）First shaping, succeeding stretch are controller storage room
（22）Post forming, it is stretched as the progressive notch cuttype face of three-level for three times（21）Shaping.
6. the manufacture method of electric automobile aluminium Battery case according to claim 4, it is characterised in that described battery
Case lid（2）The most deep height of stamping forming one-off drawing is 1 with the most deep height of succeeding stretch:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930795.5A CN106654087A (en) | 2016-10-31 | 2016-10-31 | Aluminum battery box body for electric vehicle and manufacturing method of aluminum battery box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107172871A (en) * | 2017-07-27 | 2017-09-15 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN107231786A (en) * | 2017-07-27 | 2017-10-03 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN107706328A (en) * | 2017-08-31 | 2018-02-16 | 广州小鹏汽车科技有限公司 | A kind of new energy car battery pack housing and its manufacture method |
| CN107732058A (en) * | 2017-08-29 | 2018-02-23 | 常州普莱德新能源电池科技有限公司 | Battery case and manufacture method |
| CN107755578A (en) * | 2017-10-27 | 2018-03-06 | 中铝东南材料院（福建）科技有限公司 | A kind of method for punching of new energy car battery aluminium case |
| CN107871831A (en) * | 2017-12-08 | 2018-04-03 | 华霆（合肥）动力技术有限公司 | Battery case and battery modules |
| CN108232073A (en) * | 2017-12-29 | 2018-06-29 | 智车优行科技（上海）有限公司 | Battery for electric automobile babinet and its manufacturing method, electric vehicle |
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
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| CN110444705A (en) * | 2019-06-20 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery modules heat conduction structure and glue spreading method |
| CN110640407A (en) * | 2019-10-24 | 2020-01-03 | 秦皇岛信越智能装备有限公司 | Automatic welding and assembling production line for automobile aluminum alloy box body |
| CN110957440A (en) * | 2018-09-26 | 2020-04-03 | 天津博威动力设备有限公司 | Suspension type battery support |
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| CN107172871A (en) * | 2017-07-27 | 2017-09-15 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN107231786A (en) * | 2017-07-27 | 2017-10-03 | 株洲中车时代电气股份有限公司 | A kind of magnetic floats control cabinet and the magnetic-levitation train of control cabinet is floated with the magnetic |
| CN107732058A (en) * | 2017-08-29 | 2018-02-23 | 常州普莱德新能源电池科技有限公司 | Battery case and manufacture method |
| CN107706328A (en) * | 2017-08-31 | 2018-02-16 | 广州小鹏汽车科技有限公司 | A kind of new energy car battery pack housing and its manufacture method |
| CN107755578A (en) * | 2017-10-27 | 2018-03-06 | 中铝东南材料院（福建）科技有限公司 | A kind of method for punching of new energy car battery aluminium case |
| CN109728214A (en) * | 2017-10-30 | 2019-05-07 | 湖南科技大学 | A kind of more material lightweight composite construction battery cases and preparation method thereof |
| CN109728214B (en) * | 2017-10-30 | 2021-08-13 | 湖南科技大学 | Multi-material light-weight composite-structure battery box and preparation method thereof |
| CN107871831A (en) * | 2017-12-08 | 2018-04-03 | 华霆（合肥）动力技术有限公司 | Battery case and battery modules |
| CN108232073A (en) * | 2017-12-29 | 2018-06-29 | 智车优行科技（上海）有限公司 | Battery for electric automobile babinet and its manufacturing method, electric vehicle |
| CN108539078A (en) * | 2018-05-25 | 2018-09-14 | 铜陵市优车科技有限公司 | Battery case and its electric vehicle |
| CN108673028B (en) * | 2018-07-27 | 2023-12-22 | 昆山特朗普新能源汽车零部件有限公司 | Welding fixture |
| CN108673028A (en) * | 2018-07-27 | 2018-10-19 | 昆山特朗普新能源汽车零部件有限公司 | A kind of welding fixture |
| CN110957440A (en) * | 2018-09-26 | 2020-04-03 | 天津博威动力设备有限公司 | Suspension type battery support |
| CN109461856A (en) * | 2018-10-16 | 2019-03-12 | 浙江捷汽车零部件有限公司 | T02 type aluminum battery case shell-machining process |
| CN109514187A (en) * | 2018-10-16 | 2019-03-26 | 浙江捷汽车零部件有限公司 | FE-3HP type battery box cover processing technology |
| CN109461855A (en) * | 2018-10-16 | 2019-03-12 | 浙江捷汽车零部件有限公司 | T02 type aluminum battery case processing technology |
| CN109686884A (en) * | 2018-12-25 | 2019-04-26 | 东风时代(武汉)电池系统有限公司 | The sliceable profile structure of partition-type |
| CN109686884B (en) * | 2018-12-25 | 2021-07-23 | 东风时代(武汉)电池系统有限公司 | Partition type sectional material structure capable of being spliced |
| CN110444705A (en) * | 2019-06-20 | 2019-11-12 | 恒大新能源科技集团有限公司 | A kind of battery modules heat conduction structure and glue spreading method |
| CN110640407A (en) * | 2019-10-24 | 2020-01-03 | 秦皇岛信越智能装备有限公司 | Automatic welding and assembling production line for automobile aluminum alloy box body |
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