CN112094457A - New energy automobile battery wraps combined material and forming device for upper cover - Google Patents
New energy automobile battery wraps combined material and forming device for upper cover Download PDFInfo
- Publication number
- CN112094457A CN112094457A CN202011018508.6A CN202011018508A CN112094457A CN 112094457 A CN112094457 A CN 112094457A CN 202011018508 A CN202011018508 A CN 202011018508A CN 112094457 A CN112094457 A CN 112094457A
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- CN
- China
- Prior art keywords
- new energy
- energy automobile
- upper cover
- automobile battery
- forming device
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
Abstract
The utility model provides a combined material and forming device for new energy automobile battery package upper cover, it relates to a combined material and forming device, concretely relates to combined material and forming device for new energy automobile battery package upper cover. The invention aims to solve the problems that the composite material used for the upper cover of the existing new energy automobile battery pack is poor in flame retardant capability and the rejection rate of a used forming die is high. The material is formed by taking polypropylene as matrix resin and adding a flame retardant and a toughening agent, the forming device comprises an upper die and a lower die, the upper surface of the lower die is provided with a groove, the middle part of the upper surface of the upper die is provided with an injection molding hole, the upper die is inserted into the groove, the lower surface of the upper die and the inner bottom surface of the groove form a cavity, and the injection molding hole is communicated with the cavity. The invention belongs to the field of new energy automobile batteries.
Description
Technical Field
The invention relates to a composite material and a forming device, in particular to a composite material for an upper cover of a new energy automobile battery pack and a forming device, and belongs to the field of new energy automobile batteries.
Background
The new energy automobile adopts unconventional automobile fuel as a power source or conventional automobile fuel, adopts a novel vehicle-mounted power device, integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The existing new energy automobile mainly refers to an electric automobile, batteries are the power source of the electric automobile, the quality of the batteries directly influences various performance indexes of the automobile, the flame retardant capability of a composite material used for an upper cover of the existing new energy automobile battery pack is poor, and the rejection rate of a used forming die is high.
Disclosure of Invention
The invention provides a composite material for an upper cover of a new energy automobile battery pack and a forming device, aiming at solving the problems that the composite material used by the upper cover of the existing new energy automobile battery pack is poor in flame retardant capability and the rejection rate of a used forming die is high.
The technical scheme adopted by the invention for solving the problems is as follows: the material of the invention takes polypropylene as matrix resin, and is added with flame retardant and toughening agent.
Further, the flame retardant is a halogen-free intumescent flame retardant, and the mass percentage content of the flame retardant is 20-25%.
Further, the mass percentage of the toughening agent is 10%.
Further, the toughening agent is a composite toughening agent consisting of a POE8150 toughening agent, a POEDF610 toughening agent and an EPDM3745 toughening agent.
The forming device comprises an upper die and a lower die, wherein a groove is formed in the upper surface of the lower die, an injection molding hole is formed in the middle of the upper surface of the upper die, the upper die is inserted into the groove, a forming cavity is formed by the lower surface of the upper die and the inner bottom surface of the groove, and the injection molding hole is communicated with the forming cavity.
Furthermore, two upper cooling channels are arranged in the upper die and are respectively positioned on two sides of the injection molding hole.
Furthermore, a lower cooling channel is arranged in the lower die.
Further, the inner diameter of the upper cooling channel and the lower cooling channel is 2 mm.
Furthermore, the device also comprises two guide screws and two compression nuts, wherein the two guide screws are symmetrically and vertically arranged on the upper surfaces of the two sides of the female die, the upper surfaces of the outer edges of the two sides of the upper die are provided with through holes, each guide screw penetrates through one corresponding through hole, each compression nut is sleeved on one guide screw, and each compression nut is positioned on the upper surface of the outer edge of the upper die.
The invention has the beneficial effects that: according to the invention, the halogen-free intumescent flame retardant is added into the polypropylene as the matrix resin, so that the flame retardant capability of the upper cover of the battery pack can be effectively improved, and the natural phenomenon caused by overlong working time of the battery pack is avoided; the forming device of the invention adopts a mode of simultaneously cooling the upper channel and the lower channel to cool the formed product in the cavity, so that the cooling speed of the product in the cavity is increased, the cooling surface is uniform, and the rejection rate of product forming is effectively reduced.
Drawings
FIG. 1 is a schematic view of the structure of the molding apparatus of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the composite material for the new energy automobile battery pack upper cover according to the embodiment is composed of polypropylene as a matrix resin, a flame retardant and a toughening agent.
The second embodiment is as follows: the embodiment is described with reference to fig. 1, and the flame retardant of the composite material for the upper cover of the new energy automobile battery pack in the embodiment is a halogen-free intumescent flame retardant, and the content of the flame retardant is 20% to 25% by mass.
The third concrete implementation mode: the embodiment is described with reference to fig. 1, and the mass percentage of the toughening agent in the composite material for a new energy automobile battery pack upper cover according to the embodiment is 10%. By the arrangement, the impact strength of the flame-retardant PP material reaches 25.5 kJ/m-2.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1, and the toughening agent of the composite material for a new energy automobile battery pack upper cover in the embodiment is a composite toughening agent composed of a POE8150 toughening agent, a POEDF610 toughening agent, and an EPDM3745 toughening agent.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1, and the new energy automobile battery pack upper cover forming device in the embodiment includes an upper die 1 and a lower die 2, a groove 21 is formed in the upper surface of the lower die 2, an injection hole 11 is formed in the middle of the upper surface of the upper die 1, the upper die 1 is inserted into the groove 21, a cavity 3 is formed by the lower surface of the upper die 1 and the inner bottom surface of the groove 21, and the injection hole 11 is communicated with the cavity 3.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1, and two upper cooling channels 12 are provided in an upper mold 1 of a new energy automobile battery pack upper cover forming device according to the present embodiment, and the two upper cooling channels 12 are respectively located on both sides of an injection molding hole 11.
The seventh embodiment: the present embodiment will be described with reference to fig. 1, and a lower cooling passage 22 is provided in a lower die 2 of a new energy vehicle battery pack upper cover molding device according to the present embodiment.
The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1, and the inner diameters of the upper cooling channel 12 and the lower cooling channel 22 of the new energy automobile battery pack upper cover molding device according to the present embodiment are 2 mm.
The specific implementation method nine: the embodiment is described with reference to fig. 1, and the forming device for the new energy automobile battery pack upper cover further includes two guide screws 4 and two compression nuts 5, the two guide screws 4 are symmetrically and vertically arranged on the upper surfaces of the two sides of the female die 2, the upper surfaces of the outer edges 13 of the two sides of the upper die 1 are provided with through holes 14, each guide screw 14 penetrates through one corresponding through hole 14, each compression nut 5 is sleeved on one guide screw 14, and each compression nut 5 is located on the upper surface of the outer edge 13 of the upper die 1.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a new energy automobile battery wraps combined material for upper cover which characterized in that: the composite material for the upper cover of the new energy automobile battery pack is prepared by taking polypropylene as matrix resin and adding a flame retardant and a toughening agent.
2. The composite material for the upper cover of the new energy automobile battery pack is characterized in that: the flame retardant is a halogen-free intumescent flame retardant, and the mass percentage content of the flame retardant is 20-25%.
3. The composite material for the upper cover of the new energy automobile battery pack is characterized in that: the mass percentage of the toughening agent is 10%.
4. The composite material for the upper cover of the new energy automobile battery pack is characterized in that: the toughening agent is a composite toughening agent consisting of a POE8150 toughening agent, a POEDF610 toughening agent and an EPDM3745 toughening agent.
5. The utility model provides a new energy automobile battery package forming device for upper cover which characterized in that: the utility model provides a forming device for new energy automobile battery package upper cover includes mould (1) and lower mould (2), and the upper surface of lower mould (2) is equipped with recess (21), and the middle part of going up mould (1) upper surface is equipped with injection molding hole (11), goes up mould (1) cartridge in recess (21), goes up the lower surface of mould (1) and the interior bottom group of recess (21) and becomes die cavity (3), and injection molding hole (11) and die cavity (3) intercommunication.
6. The forming device for the upper cover of the new energy automobile battery pack is characterized in that: two upper cooling channels (12) are arranged in the upper die (1), and the two upper cooling channels (12) are respectively positioned at two sides of the injection molding hole (11).
7. The forming device for the upper cover of the new energy automobile battery pack is characterized in that: a lower cooling channel (22) is arranged in the lower die (2).
8. The forming device for the upper cover of the new energy automobile battery pack according to claim 6 or 7, characterized in that: the inner diameters of the upper cooling channel (12) and the lower cooling channel (22) are 2 mm.
9. The forming device for the upper cover of the new energy automobile battery pack is characterized in that: the utility model provides a forming device for new energy automobile battery package upper cover still includes two lead screw (4) and two gland nut (5), two vertical settings of lead screw (4) symmetry are on the upper surface of die (2) both sides, the upper surface of going up outer edge (13) of mould (1) both sides is equipped with through-hole (14), corresponding one through-hole (14) are passed respectively in every lead screw (14), every gland nut (5) suit is on one lead screw (14) respectively, and every gland nut (5) all are located the upper surface of the outer edge (13) of mould (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018508.6A CN112094457A (en) | 2020-09-24 | 2020-09-24 | New energy automobile battery wraps combined material and forming device for upper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018508.6A CN112094457A (en) | 2020-09-24 | 2020-09-24 | New energy automobile battery wraps combined material and forming device for upper cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112094457A true CN112094457A (en) | 2020-12-18 |
Family
ID=73755403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011018508.6A Pending CN112094457A (en) | 2020-09-24 | 2020-09-24 | New energy automobile battery wraps combined material and forming device for upper cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112094457A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206748982U (en) * | 2017-06-03 | 2017-12-15 | 哈尔滨实力汽车零部件有限公司 | A kind of technique for aircraft composite die device |
| CN109265835A (en) * | 2018-09-29 | 2019-01-25 | 重庆科聚孚工程塑料有限责任公司 | A kind of new energy vehicle battery pack upper cover anti-flaming polypropylene material and preparation method thereof |
| CN214926539U (en) * | 2020-09-22 | 2021-11-30 | 合肥兴海元能源科技有限公司 | Thermal cycle vacuum injection molding mould of new energy automobile battery upper cover |
-
2020
- 2020-09-24 CN CN202011018508.6A patent/CN112094457A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206748982U (en) * | 2017-06-03 | 2017-12-15 | 哈尔滨实力汽车零部件有限公司 | A kind of technique for aircraft composite die device |
| CN109265835A (en) * | 2018-09-29 | 2019-01-25 | 重庆科聚孚工程塑料有限责任公司 | A kind of new energy vehicle battery pack upper cover anti-flaming polypropylene material and preparation method thereof |
| CN214926539U (en) * | 2020-09-22 | 2021-11-30 | 合肥兴海元能源科技有限公司 | Thermal cycle vacuum injection molding mould of new energy automobile battery upper cover |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201218 |
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| WD01 | Invention patent application deemed withdrawn after publication |