CN109177209A - A kind of moulding process of battery pack upper housing - Google Patents
A kind of moulding process of battery pack upper housing Download PDFInfo
- Publication number
- CN109177209A CN109177209A CN201810817450.8A CN201810817450A CN109177209A CN 109177209 A CN109177209 A CN 109177209A CN 201810817450 A CN201810817450 A CN 201810817450A CN 109177209 A CN109177209 A CN 109177209A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- upper housing
- pack upper
- glass fibre
- screw extruder
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000654 additive Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012071 phase Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000000109 continuous material Substances 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 229920001431 Long-fiber-reinforced thermoplastic Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- 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
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7146—Battery-cases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to a kind of moulding process of battery pack upper housing, comprising the following steps: S1: the polymeric matrix material of specified proportion and additive being sent into single order screw extruder according to battery pack upper housing mechanical performance and carry out the polymer-modified basis material of heating melting plasticizing acquisition；S2: glass fibre is sent by metering disconnecting device by glass fibre carriage, the glass fibre length after cutting is 7-20mm；S3: by the polymer-modified basis material obtained in above-mentioned steps S1 and the glass fibre obtained in step S2 while it being sent into the continuous material block of second order double screw extruder progress heating melting plasticizing acquisition, and by continuous panel cutting at block-like compound material embryo；S4: the compound material embryo obtained in step S3 is put into battery pack upper housing compacting tool set curing molding；Battery pack upper housing in above-mentioned technique passes through LFT-D technology direct article of manufacture online, saves manufacturing cost and logistics cost, light-weight, and the cruising ability of vehicle is effectively ensured.
Description
Technical field
The present invention relates to auto parts and components molding technology thereof field more particularly to a kind of molding works of battery pack upper housing
Skill.
Background technique
With the rapid development of the automotive industry and enhancing of the people to environment and awareness of saving energy, especially energy crisis,
Petroleum price rise promotes automotive light weight technology to become the development trend of new automobile.
Composite material substitution metal material has become the main trend of development of automobile industry, more and more using light
Matter, high intensity and the thermoplastic composite that can be recycled produce the half structure components of automobile.
LFT-D is a kind of technology of long fiber reinforced thermoplastic composites direct article of manufacture online, with LFT-D
For the continuous fiber reinforced thermoplastic composite product of representative, major advantage is to omit semi-finished product step, save manufacture at
This and logistics cost, significant decrease energy consumption, material can be recycled, and market prospects are good.
Based on above content, the production of the half structure components how to complete automobile by LFT-D technology becomes row
Problem to be solved in the industry.
Summary of the invention
In order to solve deficiency in the prior art, the purpose of the present invention is to provide a kind of molding works of battery pack upper housing
Skill completes the production of the battery pack upper housing of automobile by LFT-D technology.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of moulding process of battery pack upper housing, which comprises the following steps:
S1: the polymeric matrix material of specified proportion and additive are passed through by vacuum according to battery pack upper housing mechanical performance
Feeding system is transported in gravimetric dosing unit and weighs, then by polymeric matrix material and the uniform rear feeding one of additive mixture
Heating melting plasticizing is carried out in rank screw extruder and obtains polymer-modified basis material, and the single order double screw extruder turns
Speed is 130-200rpm/min, and temperature is 180-230 DEG C；
S2: glass fibre is sent by metering disconnecting device by glass fibre carriage, the glass fibre length after cutting
For 7-20mm；
S3: simultaneously by the polymer-modified basis material obtained in above-mentioned steps S1 and the glass fibre obtained in step S2
It is sent into second order double screw extruder and carries out the continuous material block of heating melting plasticizing acquisition, the temperature 230- of second order double screw extruder
260 DEG C, 235-245 DEG C of the head temperature of second order double screw extruder is continuous to expect that block is transported to feeding by conveying device heat preservation
Position keeps the temperature in transmission process and passes through cutter device for continuous panel cutting according to the setting of the weight and technique of battery pack upper housing
At block-like compound material embryo, 280-300 DEG C of the environment temperature of cutting process, the environment temperature for keeping the temperature transmission process is 180-230
DEG C, the polymer-modified basis material accounts for gross mass 50%-70%, and glass fibre accounts for the 30%-50% of gross mass；
S4: the compound material embryo obtained in step S3 is put into battery pack upper housing compacting tool set curing molding, the pressure
2400 tons or -3000 tons, dwell time 60-80s of the dwell pressure of molding jig, compacting tool set temperature is 60-80 DEG C；
S5: the product in step S4 is surface-treated to obtain battery pack upper housing.
Polymeric matrix material in the step S1 is modified pp resin.
The additive includes one or more of fire retardant, antioxidant, phase solvent and lubricant.
It is coated with release agent in advance on the type face of battery pack upper housing compacting tool set in the step S4.
Nut has been pre-placed inside battery pack upper housing compacting tool set in the step S4.
In conclusion the beneficial effects of the present invention are:
Battery pack upper housing passes through LFT-D technology direct article of manufacture online, saves manufacturing cost and logistics cost,
It is light-weight, the cruising ability of vehicle is effectively ensured.
The glass fibre length 7-20mm that battery pack upper housing uses, the shock resistance of battery pack upper housing is good, battery
The bending strength for wrapping shell is tall and big in 110MPa, there is higher intensity and preferable bending modulus.
It is greater than 130MPa by the technique battery pack upper housing integral strength, bending modulus is greater than 4800Mpa.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is process flow diagram of the invention.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
The present embodiment provides a kind of moulding process of battery pack upper housing as shown in Figure 1:, which is characterized in that including following
Step:
S1: the polymeric matrix material of specified proportion and additive are passed through by vacuum according to battery pack upper housing mechanical performance
Feeding system is transported in gravimetric dosing unit and weighs, then by polymeric matrix material and the uniform rear feeding one of additive mixture
Heating melting plasticizing is carried out in rank screw extruder and obtains polymer-modified basis material, and the single order double screw extruder turns
Speed is 130-200rpm/min, and temperature is 180-230 DEG C；
Wherein the polymeric matrix material is modified pp resin, additive include fire retardant, antioxidant, phase solvent and
The specific addition of one or more of lubricant, additive requires selection to be added according to particular product performance parameters；
S2: glass fibre is sent by metering disconnecting device by glass fibre carriage, the glass fibre length after cutting
For 7-20mm, disconnecting device running speed is measured according to glass fiber quality percentage and calculates acquisition；
S3: simultaneously by the polymer-modified basis material obtained in above-mentioned steps S1 and the glass fibre obtained in step S2
It is sent into second order double screw extruder and carries out the continuous material block of heating melting plasticizing acquisition, polymer-modified basis material and glass fibre
Single be sent into quality be 6-10kg, 230-260 DEG C of the temperature of second order double screw extruder, the head of second order double screw extruder
It is 235-245 DEG C of temperature, continuous to expect that block is transported to feeding position by conveying device heat preservation, it keeps the temperature in transmission process according to battery pack
Weight and the technique setting of upper housing pass through cutter device for continuous panel cutting into block-like 4-5 block compound material embryo, cut through
280-300 DEG C of the environment temperature of journey, the front half section environment temperature for keeping the temperature transmission process is 180-190 DEG C, keeps the temperature transmission process
Second half section environment temperature is 210-230 DEG C, and the polymer-modified basis material accounts for gross mass 50%-70%, glass fibre
Account for the 30%-50% of gross mass；
S4: the compound material embryo obtained in step S3 is put into battery pack upper housing compacting tool set curing molding, the pressure
2400 tons or -3000 tons, dwell time 60-80s of the dwell pressure of molding jig, compacting tool set temperature is 60-80 DEG C；
Release agent is coated on the type face of the compacting tool set of battery pack upper housing in advance, and pre- inside internal compacting tool set
First it is placed with nut；
S5: the product in step S4 is surface-treated to obtain battery pack upper housing.
The above description is only a preferred embodiment of the present invention, as long as achieving the object of the present invention skill with essentially identical means
Art scheme, belongs within protection scope of the present invention.
Claims (5)
1. a kind of moulding process of battery pack upper housing, which comprises the following steps:
S1: the polymeric matrix material of specified proportion and additive are passed through by vacuum feeding according to battery pack upper housing mechanical performance
System is transported in gravimetric dosing unit and weighs, then by the uniform rear feeding single order spiral shell of polymeric matrix material and additive mixture
Heating melting plasticizing is carried out in bar extruder and obtains polymer-modified basis material, and the revolving speed of the single order double screw extruder is
130-200rpm/min, temperature are 180-230 DEG C；
S2: glass fibre is sent by metering disconnecting device by glass fibre carriage, the glass fibre length after cutting is 7-
20mm；
S3: it by the polymer-modified basis material obtained in above-mentioned steps S1 and the glass fibre obtained in step S2 while being sent into
The progress heating melting plasticizing of second order double screw extruder, which obtains, continuously expects block, 230-260 DEG C of the temperature of second order double screw extruder,
235-245 DEG C of the head temperature of second order double screw extruder, it is continuous to expect that block is transported to feeding position by conveying device heat preservation, it protects
Cutter device is passed through for continuous panel cutting into bulk according to the weight of battery pack upper housing and technique setting in warm transmission process
Compound material embryo, 280-300 DEG C of the environment temperature of cutting process, keep the temperature transmission process environment temperature be 180-230 DEG C, it is described
Polymer-modified basis material accounts for gross mass 50%-70%, and glass fibre accounts for the 30%-50% of gross mass；
S4: the compound material embryo obtained in step S3 is put into battery pack upper housing compacting tool set curing molding, the pressing die
2400 tons or -3000 tons, dwell time 60-80s of the dwell pressure of tool, compacting tool set temperature is 60-80 DEG C；
S5: the product in step S4 is surface-treated to obtain battery pack upper housing.
2. a kind of moulding process of battery pack upper housing according to claim 1, it is characterised in that: in the step S1
Polymeric matrix material is modified pp resin.
3. a kind of moulding process of battery pack upper housing according to claim 1, it is characterised in that: the additive includes
One or more of fire retardant, antioxidant, phase solvent and lubricant.
4. a kind of moulding process of battery pack upper housing according to claim 1, it is characterised in that: in the step S4
It is coated with release agent in advance on the type face of battery pack upper housing compacting tool set.
5. a kind of moulding process of battery pack upper housing according to claim 1, it is characterised in that: in the step S4
Nut has been pre-placed inside battery pack upper housing compacting tool set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817450.8A CN109177209A (en) | 2018-07-16 | 2018-07-16 | A kind of moulding process of battery pack upper housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817450.8A CN109177209A (en) | 2018-07-16 | 2018-07-16 | A kind of moulding process of battery pack upper housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109177209A true CN109177209A (en) | 2019-01-11 |
Family
ID=64936664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817450.8A Pending CN109177209A (en) | 2018-07-16 | 2018-07-16 | A kind of moulding process of battery pack upper housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109177209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549397A (en) * | 2019-09-26 | 2021-03-26 | 科思创德国股份有限公司 | Method for producing a structural component and structural component |
| WO2021058677A1 (en) | 2019-09-26 | 2021-04-01 | Covestro Intellectual Property Gmbh & Co. Kg | Manufacturing method for structural components and structural component |
| CN113571816A (en) * | 2020-04-29 | 2021-10-29 | 马勒国际有限公司 | Battery housing and method for producing a battery housing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772817A (en) * | 2014-01-02 | 2014-05-07 | 德州北辰复合材料有限公司 | Die-pressing production process of air-conditioner shell for LFT (Long Fiber reinforced Thermoplastic) coach |
| KR20150131458A (en) * | 2014-05-14 | 2015-11-25 | (주)엘지하우시스 | Long fiber reinforced plastic composite material and method for preparing long fiber reinforced plastic composite material sheet |
| CN106363850A (en) * | 2016-08-30 | 2017-02-01 | 江苏莘翔机电有限公司 | Long fiber ultra-short-process thermoplastic forming technology |
-
2018
- 2018-07-16 CN CN201810817450.8A patent/CN109177209A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103772817A (en) * | 2014-01-02 | 2014-05-07 | 德州北辰复合材料有限公司 | Die-pressing production process of air-conditioner shell for LFT (Long Fiber reinforced Thermoplastic) coach |
| KR20150131458A (en) * | 2014-05-14 | 2015-11-25 | (주)엘지하우시스 | Long fiber reinforced plastic composite material and method for preparing long fiber reinforced plastic composite material sheet |
| CN106363850A (en) * | 2016-08-30 | 2017-02-01 | 江苏莘翔机电有限公司 | Long fiber ultra-short-process thermoplastic forming technology |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549397A (en) * | 2019-09-26 | 2021-03-26 | 科思创德国股份有限公司 | Method for producing a structural component and structural component |
| WO2021058677A1 (en) | 2019-09-26 | 2021-04-01 | Covestro Intellectual Property Gmbh & Co. Kg | Manufacturing method for structural components and structural component |
| CN113571816A (en) * | 2020-04-29 | 2021-10-29 | 马勒国际有限公司 | Battery housing and method for producing a battery housing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109177209A (en) | A kind of moulding process of battery pack upper housing | |
| Schemme | LFT–development status and perspectives | |
| CN101724190B (en) | Asbestos fiber reinforced thermoplastic base wood and plastic composite material and preparing method thereof | |
| CN104693593A (en) | A safety shoe protective toecap made of a long fiber reinforced thermoplastic resin composite material and a preparing method thereof | |
| CN103781610B (en) | Be used for the production method of the combined shaping product with back-off portion | |
| CN107127984A (en) | A kind of continuous fiber reinforced thermoplastic resin based composites manufacturing process | |
| CN102922621A (en) | Production method for automobile roof made of fiber reinforced composite material | |
| CN104943118A (en) | Production system and production method for glass fiber reinforced composite material | |
| CN107877891A (en) | A kind of LFT D compression-moulding methods of fibre reinforced PEEK composite material section bars | |
| CN102601914A (en) | Method for manufacturing handle base of car door | |
| CN104669636A (en) | Preparation method of hybrid fiber reinforced polypropylene high-intensity composite material | |
| CN103522556A (en) | Online moulding method of light high strength composite material | |
| CN103772817A (en) | Die-pressing production process of air-conditioner shell for LFT (Long Fiber reinforced Thermoplastic) coach | |
| CN101987603A (en) | Long glass fiber reinforced polypropylene resin engine skid plate of passenger vehicle | |
| KR20190029351A (en) | Method for manufacturing plastic panel reinforced with glass fibers | |
| CN107322948B (en) | Spiral forming device suitable for continuous fiber composite material and working method | |
| CN102329473B (en) | Brake pad production formula and preparation method thereof | |
| CN108081641B (en) | A kind of processing unit (plant) and processing method of full thread overlength screw rod | |
| CN109625098A (en) | Floor and its manufacturing method after a kind of integrated form vehicle body | |
| CN109109344A (en) | A kind of manufacturing process of composite material for cars leaf spring | |
| CN109109345A (en) | A kind of composite material for cars front plate spring HP-RTM manufacturing process | |
| CN204773455U (en) | Fine reinforced composite production system of glass | |
| CN103991204A (en) | Mold pressing LFT-D molding method for glass fiber reinforced PC | |
| CN106363850A (en) | Long fiber ultra-short-process thermoplastic forming technology | |
| CN2738987Y (en) | Glass-fiber felt reinforced thermal-plastic plastic sheet pressing mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
|
| RJ01 | Rejection of invention patent application after publication |