CN105583984A - Light battery pack upper shell of electric automobile and machining method thereof - Google Patents
Light battery pack upper shell of electric automobile and machining method thereof Download PDFInfo
- Publication number
- CN105583984A CN105583984A CN201510982178.5A CN201510982178A CN105583984A CN 105583984 A CN105583984 A CN 105583984A CN 201510982178 A CN201510982178 A CN 201510982178A CN 105583984 A CN105583984 A CN 105583984A
- Authority
- CN
- China
- Prior art keywords
- upper shell
- power brick
- electric automobile
- light
- brick upper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/02—Deburring or deflashing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/42—Moulds for making articles of definite length, i.e. discrete articles for undercut articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a light battery pack upper shell of an electric automobile and a machining method thereof, and belongs to the technical field of electric automobile power battery systems. The machining method includes the steps that a, a shell forming die is mounted on a workbench of a punching press; b, an SMC sheet is heated; c, the heated SMC sheet is conveyed to the shell forming die; d, the punching press is used for punching the SMC sheet to form a semi-finished battery pack upper shell; and e, after the semi-finished battery pack upper shell is cooled, trimming and perforating are carried out, and the battery pack upper shell is obtained. According to the light battery pack upper shell of the electric automobile and the machining method thereof, the light battery pack upper shell of the electric automobile is obtained through the SMC sheet, compared with a battery pack upper shell made of metal materials, the weight is greatly reduced, the weight of a battery pack is effectively reduced, the battery energy density is improved, and therefore the driving mileage of the electric automobile is increased.
Description
Technical field
The present invention relates to electric automobile power battery system technical field, particularly the electronic vapour of a kind of lightweightCar power brick upper shell and processing method thereof.
Background technology
For electric automobile, power brick is the core energy-storage units of automobile, promotes energy content of battery density and (depositsAccumulate can with the ratio of weight) can effectively increase the course continuation mileage of electric automobile, the course continuation mileage of electric automobileShort problem is the principal element of restriction Development of Electric Vehicles, and lightweight battery bag related accessory weight is to solveThe important channel of this problem.
Power brick related accessory comprises the power brick upper shell that holds battery; At present, power brick upper shell is generalAdopt metal material, for example, in the power brick upper shell of metal material, (super deep-draw is cold rolling for the main DC06 usingSteel), average thickness, in 1.4mm left and right, adopts cold-rolling mill rolling DC06 sheet material to make.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Adopt the power brick upper shell weight of metal material larger, the weight and the lifting that are unfavorable for alleviating power brickEnergy content of battery density.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of light-weight electric automobile batteryWrap housing and processing method thereof. Described technical scheme is as follows:
On the one hand, the invention provides a kind of processing method of light-weight electric automobile power brick upper shell, instituteStating processing method comprises:
A, is arranged on casing forming mold on the workbench of stamping machine, and the corner angle in casing forming mold all enterRow radius is more than or equal to the chamfered of 5mm, and the withdrawing pattern slope in casing forming mold is all more than or equal to 3 °;
B, is heated to 150 DEG C～160 DEG C by SMC sheet material;
C, will be transported on casing forming mold through the SMC sheet material of heating;
D, stamping machine is to carrying out SMC stamped from sheetstock, and press capacity is 1200～1500 tons, the matched moulds timeBe 7.5 minutes-8.5 minutes, form average thickness and wrap housing at the semi-finished product battery of 2.5mm-3.5mm;
E, semi-finished product battery wrap housing cooling after, carry out deburring and punching process, make power brick upper shell.
Preferably, in step b, by SMC sheet material to being heated to 155 DEG C.
Preferably, in steps d, stamping machine is to carrying out SMC stamped from sheetstock, and the matched moulds time is 8 minutes.
Further, in step a, the corresponding power brick upper shell of the casing forming mold position of processing of need punchingBe set up metal lock sleeve is set, the axially vertically setting of metal lock sleeve, in steps d, punching pressMachine embeds semi-finished product battery by the punching press of metal lock sleeve and wraps in housing, in step e, processes by punchingConnect the middle hole of metal lock sleeve.
Preferably, the outer wall of metal lock sleeve is provided with cannelure.
Further, metal lock sleeve is copper sheathing or steel bushing.
On the other hand, the present invention also provides a kind of light-weight electric automobile power brick upper shell, based on above-mentionedThe processing method of light-weight electric automobile power brick upper shell makes.
Further, the edge of power brick upper shell lower surface is provided with the groove for sealing ring is installed.
Further, on power brick upper shell, include m plane, have at least n plane to be provided with projectionOr pit, m and n are the integer that is greater than 0, and n is less than or equal to m.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
Make light-weight electric automobile power brick upper shell by SMC sheet material, with respect to adopting metal materialPower brick upper shell weight significantly alleviates, and effectively alleviate the weight of power brick and promote energy content of battery density,Significantly alleviate (Steel material weight saving 20% relatively with respect to the power brick upper shell weight that adopts metal materialAbove), effectively alleviate the weight of power brick and promote energy content of battery density, thereby having strengthened electric automobileCourse continuation mileage.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, institute in describing embodiment belowNeed the accompanying drawing using to be briefly described, apparently, the accompanying drawing in the following describes is only the present inventionSome embodiment, for those of ordinary skill in the art, do not paying under the prerequisite of creative work,Can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the processing side of a kind of light-weight electric automobile power brick upper shell of providing of the embodiment of the present invention oneMethod flow chart;
Fig. 2 is the structural representation of the metal lock sleeve that provides of the embodiment of the present invention one;
Fig. 3 is the lower surface of a kind of light-weight electric automobile power brick upper shell of providing of the embodiment of the present invention twoStructural representation;
Fig. 4 is the upper surface of a kind of light-weight electric automobile power brick upper shell of providing of the embodiment of the present invention threeStructural representation;
Fig. 5 is the structural representation of the casing forming mold that provides of the embodiment of the present invention two.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present inventionEmbodiment is described in further detail.
SMC is the abbreviation of Sheetmoldingcompound, i.e. sheet molding compound. Primary raw material is by specialYarn, unsaturated-resin, low shrinkage additive, filler and various auxiliary agent composition.
Embodiment mono-
The present embodiment provides a kind of processing method of light-weight electric automobile power brick upper shell, as Fig. 1 instituteShow, described processing method comprises:
A, is arranged on casing forming mold 2 on the workbench of stamping machine the corner angle in casing forming mold 2All carry out the chamfered that radius is more than or equal to 5mm, the withdrawing pattern slope in casing forming mold 2 is all greater than etc.In 3 °;
B, is heated to 150 DEG C～160 DEG C by SMC sheet material;
C, will be transported on casing forming mold 2 through the SMC sheet material of heating;
D, stamping machine is to carrying out SMC stamped from sheetstock, and press capacity is 1200～1500 tons, the matched moulds timeBe 7.5 minutes-8.5 minutes, form average thickness and wrap housing at the semi-finished product battery of 2.5mm-3.5mm;
E, semi-finished product battery wrap housing cooling after, carry out deburring and punching process, make power brick upper shell1。
By above-mentioned processing method, realize application SMC sheet material and made power brick upper shell 1, because of SMCThe about 1.85g/cm of sheet material density3, be significantly less than the density 7.8g/cm of steel3, therefore make gently by SMC sheet materialQuantize batteries of electric automobile and wrap housing 1 with respect to power brick upper shell 1 weight that adopts metal material significantlyAlleviate (Steel material weight saving is more than 20% relatively), effectively alleviate the weight of power brick and promote battery energyMetric density, thus the course continuation mileage of electric automobile strengthened.
In the present embodiment, because SMC sheet material need to be full of die cavity interior the flowing of casing forming mold 2, thereforeCorner angle in casing forming mold 2 all carry out the chamfered that radius is more than or equal to 5mm, casing forming moldWithdrawing pattern slope in 2 is all more than or equal to 3 °, is conducive to semi-finished product battery and wraps housing disengaging casing forming mold2。
The processing method of the light-weight electric automobile power brick upper shell that in addition, the present embodiment provides also has itIts technical characterictic.
Preferably, in step b, by SMC sheet material to being heated to 155 DEG C.
When SMC sheet material is to being heated to 155 DEG C, the form of SMC sheet material and internal structure be more suitable carries out punching pressMoulding.
Preferably, in steps d, stamping machine is to carrying out SMC stamped from sheetstock, and the matched moulds time is 8 minutes.
After 8 minutes matched moulds time, in power brick upper shell 1 structure that SMC sheet material makes, obtain solidChange, the internal stress of power brick upper shell 1 has also obtained sufficient release.
Particularly, in step a, the corresponding power brick upper shell 1 of casing forming mold 2 needs punching to processMetal lock sleeve 3 is set on position, the axially vertically setting of metal lock sleeve 3, in steps d,Stamping machine embeds semi-finished product battery by 3 punching presses of metal lock sleeve and wraps in housing, in step e, by beatingHole is processed and is connected the middle hole 11 of metal lock sleeve 3; This hole 11 is for construction bolt, by bolt by batteryWrap housing 1 and be fixedly connected with the joint face of power brick lower house bearing, by battery accommodating in power brickBetween housing 1 and power brick lower house, the hole 11 in the middle of metal lock sleeve 3 is as with power brick lower houseConnecting hole can effectively prevent in the time that power brick upper shell 1 and power brick lower house seal locking, by spiral shellBolt torsion damages.
As shown in Figure 3, preferably, the outer wall of metal lock sleeve 3 is provided with cannelure, and metal lock sleeve 3 is adoptedBe conducive to metal lock sleeve 3 with cannelure and be connected with the curing of power brick upper shell 1, metal lock sleeve 3 is notEasily on power brick upper shell 1, rotate.
Alternatively, metal lock sleeve 3 is copper sheathing or steel bushing.
Embodiment bis-
The present embodiment provides a kind of light-weight electric automobile power brick upper shell 1, electronic based on above-mentioned lightweightThe processing method that automobile batteries is wrapped housing makes.
Described light-weight electric automobile power brick upper shell 1 is with respect to the power brick upper casing that adopts metal materialBody 1 weight significantly alleviates, and effectively alleviates the weight of power brick and promotes energy content of battery density, thereby strengtheningThe course continuation mileage of electric automobile.
As shown in Figure 3, alternatively, the edge of power brick upper shell 1 lower surface is provided with for sealing ring is installedGroove 12; Adopt groove 12 can make rubber blanket firmly be fixed on 12 li of grooves, be difficult for dislocation, havePlay to effect sealing effectiveness.
As shown in Figure 5, alternatively, on power brick upper shell 1, include m plane 13, have n at leastPlane 13 is provided with projection 14 or pit 15, and m and n are the integer that is greater than 0, and n is less than or equal to m.In the plane of power brick upper shell 1, do projection 14 or pit 15, the machinery that can strengthen power brick upper shell 1 is strongDegree and tensile strength.
As shown in Figure 5, alternatively, at power brick upper shell 1 for arranging with power brick lower house junctionThere is reinforcement 16, adopt reinforcement 16 can fully structurally ensure intensity and the tension of power brick upper shell 1Intensity; As shown in Figure 2, on casing forming mold 2, be also provided with the groove 21 for punching press reinforcement.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all of the present inventionWithin spirit and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in of the present inventionWithin protection domain.
Claims (9)
1. a processing method for light-weight electric automobile power brick upper shell, is characterized in that, described processingThe step of method comprises:
A, is arranged on casing forming mold on the workbench of stamping machine the corner angle in described casing forming moldAll carry out the chamfered that radius is more than or equal to 5mm, the withdrawing pattern slope in described casing forming mold is all greater thanEqual 3 °;
B, is heated to 150 DEG C～160 DEG C by SMC sheet material;
C, will be transported on described casing forming mold through the described SMC sheet material of heating;
D, described stamping machine is to carrying out described SMC stamped from sheetstock, and described press capacity is 1200～1500Ton, the matched moulds time is 7.5 minutes-8.5 minutes, forms the semi-finished product cell of average thickness at 2.5mm-3.5mmHousing is wrapped in pond;
E, described semi-finished product battery wrap housing cooling after, carry out deburring and punching process, make in power brickHousing.
2. the processing method of light-weight electric automobile power brick upper shell according to claim 1, its spyLevy and be, in step b, by described SMC sheet material to being heated to 155 DEG C.
3. the processing method of light-weight electric automobile power brick upper shell according to claim 1, its spyLevy and be, in steps d, stamping machine is to carrying out described SMC stamped from sheetstock, and the matched moulds time is 8 minutes.
4. the processing method of light-weight electric automobile power brick upper shell according to claim 1, its spyLevy and be, in step a, described casing forming mold corresponding described power brick upper shell need punch and processMetal lock sleeve is set on position, the axially vertically setting of described metal lock sleeve, in steps d,Described stamping machine embeds described semi-finished product battery by the punching press of metal lock sleeve and wraps in housing, in step e,Process the hole connecting in the middle of metal lock sleeve by punching.
5. according to the processing method of light-weight electric automobile power brick upper shell claimed in claim 4, its featureBe, the outer wall of described metal lock sleeve is provided with cannelure.
6. according to the processing method of light-weight electric automobile power brick upper shell claimed in claim 4, its featureBe, described metal lock sleeve is copper sheathing or steel bushing.
7. a light-weight electric automobile power brick upper shell, is characterized in that, based on claim, 1-6 appointsThe processing method of the light-weight electric automobile power brick upper shell described in makes.
8. light-weight electric automobile power brick upper shell according to claim 7, is characterized in that instituteThe edge of stating power brick upper shell lower surface is provided with the groove for sealing ring is installed.
9. light-weight electric automobile power brick upper shell according to claim 7, is characterized in that instituteState on described power brick upper shell and include m plane, have at least n described plane to be provided with projection or recessedHole, m and n are the integer that is greater than 0, and n is less than or equal to m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982178.5A CN105583984A (en) | 2015-12-23 | 2015-12-23 | Light battery pack upper shell of electric automobile and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510982178.5A CN105583984A (en) | 2015-12-23 | 2015-12-23 | Light battery pack upper shell of electric automobile and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105583984A true CN105583984A (en) | 2016-05-18 |
Family
ID=55924061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510982178.5A Pending CN105583984A (en) | 2015-12-23 | 2015-12-23 | Light battery pack upper shell of electric automobile and machining method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105583984A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450083A (en) * | 2016-09-29 | 2017-02-22 | 常州普莱德新能源电池科技有限公司 | SMC electric box |
| CN109301101A (en) * | 2018-08-24 | 2019-02-01 | 重庆艾格赛汽车用品有限公司 | A kind of U-shaped production line for the production of SMC cell cover |
| CN111923778A (en) * | 2020-07-20 | 2020-11-13 | 浙江吉智新能源汽车科技有限公司 | Light-weight locking device for battery replacement and vehicle using same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101816A (en) * | 1988-04-02 | 1988-11-30 | 河北武强县硬质胶厂 | Compound accumulator shell and manufacture method thereof |
| CN203056005U (en) * | 2013-01-24 | 2013-07-10 | 东风汽车公司 | Shell structure of power battery pack for pure electric vehicles |
| CN203150622U (en) * | 2013-01-24 | 2013-08-21 | 东风汽车公司 | Automotive power battery pack shell sealing structure |
-
2015
- 2015-12-23 CN CN201510982178.5A patent/CN105583984A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101816A (en) * | 1988-04-02 | 1988-11-30 | 河北武强县硬质胶厂 | Compound accumulator shell and manufacture method thereof |
| CN203056005U (en) * | 2013-01-24 | 2013-07-10 | 东风汽车公司 | Shell structure of power battery pack for pure electric vehicles |
| CN203150622U (en) * | 2013-01-24 | 2013-08-21 | 东风汽车公司 | Automotive power battery pack shell sealing structure |
Non-Patent Citations (6)
| Title |
|---|
| 丁浩: "《塑料工业实用手册 第二版 中册》", 31 August 2000 * |
| 丁浩: "《塑料工业实用手册》", 31 March 1996 * |
| 刘亚青: "《工程塑料成型加工技术》", 31 March 2006 * |
| 卓昌明: "《塑料应用技术手册》", 30 May 2013 * |
| 赵渠森: "《先进复合材料手册》", 30 May 2003 * |
| 黄家康等: "《复合材料成型技术》", 31 January 1999 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450083A (en) * | 2016-09-29 | 2017-02-22 | 常州普莱德新能源电池科技有限公司 | SMC electric box |
| CN109301101A (en) * | 2018-08-24 | 2019-02-01 | 重庆艾格赛汽车用品有限公司 | A kind of U-shaped production line for the production of SMC cell cover |
| CN111923778A (en) * | 2020-07-20 | 2020-11-13 | 浙江吉智新能源汽车科技有限公司 | Light-weight locking device for battery replacement and vehicle using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105583984A (en) | Light battery pack upper shell of electric automobile and machining method thereof | |
| CN105849290A (en) | Process for recycling li-ion batteries | |
| CN106566935A (en) | A liquid die forging aluminium alloy and a preparing method thereof | |
| CN103831432B (en) | Boosting pump for car steering powder metallurgy inner and outer rotors formula and manufacture craft | |
| CN103745790A (en) | Mixed soft magnetic powder for metal magnetic powder core | |
| CN109333768B (en) | Method for manufacturing special-shaped mica part | |
| CN100595945C (en) | Battery cap aluminum alloy plate | |
| CN110038900B (en) | Processing method of aluminum foil layer for lithium ion battery flexible package aluminum-plastic composite film | |
| CN103934454A (en) | Manufacturing technology for small gasoline engine connecting rod workblank | |
| CN103692684B (en) | The method of quickly replacing mould | |
| CN105328419A (en) | Processing process of fixed (movable) lock head of door lever lock | |
| CN102794450A (en) | Shaft coupling manufacturing method | |
| CN206083413U (en) | A cast roll for casting and rolling mill | |
| CN206474655U (en) | A kind of novel aluminum alloy die casting machine | |
| CN102417791A (en) | Capacitor aluminous shell film coating and preparation method thereof | |
| CN108480577A (en) | The production method of casting magnesium alloy profiles | |
| CN101439363B (en) | Method for manufacturing magnesium alloy squeezing seamless pipe | |
| CN111411277A (en) | Method for improving oxidation resistance of magnesium and magnesium-calcium alloy | |
| CN218463051U (en) | Quick blocking and packaging equipment for scraped car shell metal | |
| CN201233915Y (en) | Cylindrical battery case | |
| CN210480079U (en) | Air locking device for feed opening of sealed belt scale | |
| CN220277869U (en) | Special-shaped main roller die for manufacturing aerospace engine booster | |
| CN108588444A (en) | By discarded aluminium be changed into aluminium fuel for power generation method | |
| CN215745560U (en) | Material guide plate of continuous extruder | |
| CN207508093U (en) | A kind of general white body trial-production mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160518 |
|
| RJ01 | Rejection of invention patent application after publication |