CN220464946U - Metal plastic covered synthetic product - Google Patents
Metal plastic covered synthetic product Download PDFInfo
- Publication number
- CN220464946U CN220464946U CN202322264876.4U CN202322264876U CN220464946U CN 220464946 U CN220464946 U CN 220464946U CN 202322264876 U CN202322264876 U CN 202322264876U CN 220464946 U CN220464946 U CN 220464946U
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- Prior art keywords
- insulating sheet
- layer
- metal
- plastic
- plastic insulating
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- 239000004033 plastic Substances 0.000 title claims abstract description 146
- 229920003023 plastic Polymers 0.000 title claims abstract description 146
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 80
- 239000002184 metal Substances 0.000 title claims abstract description 80
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 238000000748 compression moulding Methods 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 94
- 238000009413 insulation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000011229 interlayer Substances 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
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Abstract
The utility model discloses a metal plastic covered synthetic product which sequentially comprises a forming area, an upper plastic insulating sheet layer, a metal middle layer and a lower plastic insulating sheet layer, wherein through holes are formed in the metal middle layer, the through holes penetrate through the thickness direction of the metal middle layer, the through holes are distributed on the surface of the metal middle layer, the inner side of the upper plastic insulating sheet layer and the inner side of the lower plastic insulating sheet layer are connected with the surface of the metal middle layer, the inner side of the upper plastic insulating sheet layer extends into the through holes, and the inner side of the lower plastic insulating sheet layer extends into the through holes. The plastic insulating sheet layer on the surface of the composite sheet has the insulating effect, meets the insulating requirement of a battery compartment, has the effects of corrosion resistance and the like, and the metal intermediate layer inside the composite sheet enables the sheet to have high strength of metal.
Description
Technical Field
The present utility model relates to sheet material, and is especially one kind of metal plastic covered composite product.
Background
At present, as environmental awareness of people is becoming stronger, more and more people choose new energy electric vehicles as daily riding tools, and battery boxes are used as important parts in new energy vehicles, which are used as important bearing bodies of battery packs, the battery packs must have enough strength to be fixed, wherein cover plate materials of the battery packs are usually produced by injection molding or metal sheet metal.
In the prior art, the chinese patent application No. CN202010405437.9 discloses an upper cover of a battery case of an electric automobile, which is formed by stamping four times, in order to meet the structure of the upper cover of the battery case, the upper cover of the battery case is usually formed by injection molding or sheet metal, the structural strength of the upper cover of the battery case formed by injection molding is not high, the safety requirement of the battery case needs to be met by reinforcement, but the structural strength of the upper cover of the battery case formed by sheet metal stamping is met, and the surface of the battery case needs to be insulated for meeting the requirement, but the cost is high, so that a new covering material is needed to meet the requirements of strength and insulation.
Disclosure of Invention
The utility model aims to provide a metal plastic covered synthetic product which has the advantages of high structural strength, suitability for stamping forming and good insulating effect.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a metal plastic covers synthetic goods, includes shaping district, goes up plastic insulation sheet layer, metal intermediate level and lower plastic insulation sheet layer in proper order, shaping district is protruding or sunken formation jointly by last plastic insulation sheet layer, metal intermediate level and lower plastic insulation sheet layer, go up plastic insulation sheet layer's thickness is 0.1-3 millimeter, lower plastic insulation sheet layer's thickness is 0.1-3 millimeter, metal intermediate level's thickness is 0.1-3 millimeter, be provided with the through hole in the metal intermediate level, the through hole runs through metal intermediate level's thickness direction setting, the through hole distributes on metal intermediate level's surface, the inboard on last plastic insulation sheet layer and the inboard on lower plastic insulation sheet layer all are connected with metal intermediate level surface, go up plastic insulation sheet layer's inboard and extend into the through hole in, lower plastic insulation sheet layer's inboard extends into the through hole.
Preferably, the upper plastic insulating sheet layer is connected to the metal intermediate layer by a plastic film, and the lower plastic insulating sheet layer is connected to the metal intermediate layer by a plastic film.
By adopting the technical scheme, the connection between the sheet layer and the middle layer is realized through the plastic uptake.
Preferably, the upper plastic insulating sheet layer forms an upper plastic sucking bump in the through hole, the lower plastic insulating sheet layer forms a lower plastic sucking bump in the through hole, and the upper plastic sucking bump and the lower plastic sucking bump are contacted or connected or separated with each other.
By adopting the technical scheme, the effect of the connecting point is enhanced.
Preferably, the outer side of the upper plastic insulating sheet layer and the outer side of the lower plastic insulating sheet layer are formed with a plastic sucking groove at the position of the upper plastic sucking convex block.
By adopting the technical scheme, under the condition that the thickness of the sheet is different, a plastic sucking groove can be formed on the surface.
Preferably, the upper plastic insulating sheet layer is connected to the metal intermediate layer by compression molding, and the lower insulating sheet layer is connected to the metal intermediate layer by compression molding.
By adopting the technical scheme, the sheet material layer and the middle layer are connected for another implementation mode by compression molding.
Preferably, the upper plastic insulating sheet layer forms an upper compression molding protrusion in the through hole, and the lower plastic insulating sheet layer forms a lower compression molding protrusion in the through hole, and the upper compression molding protrusion and the lower compression molding protrusion are in contact with or connected with or spaced apart from each other.
By adopting the technical scheme, the upper compression molding lug and the lower compression molding lug are generated in the compression molding process, so that the connection strength is improved.
Preferably, the outer side of the upper plastic insulating sheet layer and the outer side of the lower plastic insulating sheet layer are formed with compression molding grooves at the upper plastic suction bump positions.
By adopting the technical scheme, compression molding grooves are formed on the surface in the compression molding process.
Preferably, the through holes are uniformly distributed on the metal intermediate layer.
Through adopting above-mentioned technical scheme, the connection effect is better, connects more evenly.
Preferably, the thickness of the upper plastic insulating sheet layer and the thickness of the lower plastic insulating sheet layer are the same, the upper plastic insulating sheet layer and the lower plastic insulating sheet layer are made of PP or PE, and the metal intermediate layer is a steel plate or a galvanized plate or an iron plate or an aluminum plate.
By adopting the technical scheme, the composite sheet material has various material choices.
Preferably, the thickness of the metal intermediate layer is 0.5 mm or 0.6 mm or 0.7 mm, and the thickness of the upper plastic insulating sheet layer and the thickness of the lower plastic insulating sheet layer are 0.5 mm or 0.6 mm or 0.7 mm or 0.8 mm 0.9 or 1.0 mm.
By adopting the technical scheme, the stamping die has the advantages of selecting various thicknesses according to the required stamping difficulty, the required structural strength, the required thickness and the required weight.
In summary, the plastic insulating sheet layer on the surface of the composite product has an insulating effect, meets the insulating requirement of a battery compartment, has the effects of corrosion resistance and the like, and the metal intermediate layer inside the composite product enables the sheet to have high strength of metal.
Drawings
FIG. 1 is a schematic structural view of a metal interlayer of example 1;
fig. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a schematic cross-sectional view of example 1 at a through hole location;
FIG. 4 is a schematic cross-sectional view of example 2 at the location of the through hole;
in the figure, 1, upper plastic insulating sheet layer; 2. a metal intermediate layer; 3. a lower plastic insulating sheet layer; 4. a through hole; 51. a plastic sucking lug is arranged on the upper part; 52. a lower plastic sucking lug; 53. a plastic suction groove; 61. pressing the convex blocks; 62. lower compression molding the bumps; 63. compression molding the grooves; 7. and a forming area.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Example 1:
as shown in fig. 1 to 3, a metal plastic covered composite type product comprises a forming area 7, an upper plastic insulating sheet layer 1, a metal intermediate layer 2 and a lower plastic insulating sheet layer 3 from top to bottom in sequence, and further forms a sheet overlapping structure.
As shown in fig. 2, the thickness of the upper plastic insulating sheet layer 1, the metal intermediate layer 2 and the lower plastic insulating layer can be adjusted according to the quality, the structural strength and the subsequent punching requirements of the battery case, the basic range is that the thickness of the upper plastic insulating sheet layer 1 is 0.1-3 mm, the thickness of the lower plastic insulating sheet layer 3 is 0.1-3 mm, the thickness of the metal intermediate layer 2 is 0.1-3 mm, the thickness value of the metal intermediate layer 2 is generally selected to be 0.5 mm or 0.6 mm or 0.7 mm, the thickness of the upper plastic insulating sheet layer 1 and the thickness of the lower plastic insulating sheet layer 3 are 0.5 mm or 0.6 mm or 0.7 mm or 0.8 mm or 0.9 mm or 1.0 mm, in this embodiment, the thickness of the upper plastic insulating sheet layer 1 is consistent with the thickness of the lower plastic insulating sheet layer 3, and the thickness of the metal intermediate layer 2 is 0.5 mm.
As shown in fig. 3, the metal intermediate layer 2 is distributed with through holes 4, the through holes 4 penetrate through the thickness direction of the metal intermediate layer 2, and according to the use and stamping condition of the sheet, the through holes 4 are uniformly distributed in a large plane of the metal intermediate layer 2 for improving the connection strength, but considering the production and processing cost of the metal intermediate layer 2, the through holes 4 are uniformly distributed in the metal intermediate layer 2, and in the plastic suction process, the upper plastic insulating sheet layer 1 is adsorbed on the surface of one side of the metal intermediate layer 2, namely, the inner side of the upper plastic insulating sheet layer 1 is connected with the surface of the metal intermediate layer 2; then, the lower plastic insulating sheet layer 3 is adsorbed on the other side surface of the metal intermediate layer 2, and the inner side of the lower plastic insulating sheet layer 3 is connected with the surface of the metal intermediate layer 2.
As shown in fig. 3, the inner side of the upper plastic insulating sheet layer 1 extends into the through hole 4, the inner side of the lower plastic insulating sheet layer 3 extends into the through hole 4, in the process of plastic sucking, the upper plastic insulating sheet layer 1 forms an upper plastic sucking convex block 51 in the through hole 4, the lower plastic insulating sheet layer 3 forms a lower plastic sucking convex block 52 in the through hole 4, the upper plastic sucking convex block 51 and the lower plastic sucking convex block 52 are contacted or connected or separated according to different thickness and processing modes, in the embodiment 1, the upper plastic sucking convex block 51 and the lower plastic sucking convex block 52 are separated from each other, at the same time, a plastic sucking groove 53 is formed on the outer side of the upper plastic insulating sheet layer 1 and the outer side of the lower plastic insulating sheet layer 3 at the position of the upper plastic sucking convex block 51, and in the case of thicker thickness, no or insignificant situation of the plastic sucking groove 53 may occur.
Example 2:
as shown in fig. 4, embodiment 2 is different from embodiment 1 in the manner of connection of the upper plastic insulating sheet layer 1 and the lower plastic insulating sheet layer 3 to the metal intermediate layer 2, in embodiment 2 the upper plastic insulating sheet layer 1 is connected to the metal intermediate layer 2 by compression molding, the lower insulating sheet layer is connected to the metal intermediate layer 2 by compression molding, the upper plastic insulating sheet layer 1 forms the upper compression molding bump 61 in the through hole 4, the lower plastic insulating sheet layer 3 forms the lower compression molding bump 62 in the through hole 4, the contact state between the upper compression molding bump 61 and the lower compression molding bump 62 is maintained, and simultaneously the outer side of the upper plastic insulating sheet layer 1 and the outer side of the lower plastic insulating sheet layer 3 are formed with the compression molding groove 63 at the upper suction molding bump 51.
In the embodiment 1 and the embodiment 2, the upper plastic insulating sheet layer 1 and the lower plastic insulating sheet layer 3 are made of thermoplastic plastics such as PP or PE, so that blow molding and hot pressing are facilitated, and meanwhile, the metal intermediate layer 2 is a steel plate or a galvanized plate or an iron plate or an aluminum plate, so that the plastic insulating sheet has the advantages of high structural strength and the like in use and production and processing.
Working principle:
the plastic insulating sheet layer on the surface of the composite product has the insulating effect, meets the insulating requirement of a battery compartment, has the effects of corrosion resistance and the like, and the metal intermediate layer 2 inside the composite product enables the sheet to have high strength of metal.
Claims (10)
1. A metal plastic clad composite article characterized by: the plastic insulating sheet material forming device comprises a forming area, an upper plastic insulating sheet material layer (1), a metal middle layer (2) and a lower plastic insulating sheet material layer (3), wherein the forming area is formed by the joint protrusion or depression of the upper plastic insulating sheet material layer (1), the metal middle layer (2) and the lower plastic insulating sheet material layer (3), the thickness of the upper plastic insulating sheet material layer (1) is 0.1-3 mm, the thickness of the lower plastic insulating sheet material layer (3) is 0.1-3 mm, the thickness of the metal middle layer (2) is 0.1-3 mm, through holes (4) are formed in the metal middle layer (2), the through holes (4) penetrate through the thickness direction of the metal middle layer (2), the through holes (4) are distributed on the surface of the metal middle layer (2), the inner side of the upper plastic insulating sheet material layer (1) and the inner side of the lower plastic insulating sheet material layer (3) are connected with the surface of the metal middle layer (2), the inner side of the upper plastic insulating sheet material layer (1) extends into the through holes (4), and the inner side of the lower plastic insulating sheet material layer (3) extends into the through holes (4).
2. The metal plastic clad composite article of claim 1, wherein: the upper plastic insulating sheet layer (1) is connected with the metal intermediate layer (2) through plastic uptake, and the lower plastic insulating sheet layer (3) is connected with the metal intermediate layer (2) through plastic uptake.
3. The metal plastic clad composite article of claim 2, wherein: the upper plastic insulating sheet layer (1) forms an upper plastic sucking lug (51) in the through hole (4), the lower plastic insulating sheet layer (3) forms a lower plastic sucking lug (52) in the through hole (4), and the upper plastic sucking lug (51) and the lower plastic sucking lug (52) are in contact with or connected with or separated from each other.
4. A metal plastic clad composite article according to claim 3, wherein: a plastic sucking groove (53) is formed at the position of the upper plastic sucking convex block (51) on the outer side of the upper plastic insulating sheet layer (1) and the outer side of the lower plastic insulating sheet layer (3).
5. The metal plastic clad composite article of claim 1, wherein: the upper plastic insulating sheet layer (1) is connected with the metal intermediate layer (2) through compression molding, and the lower plastic insulating sheet layer is connected with the metal intermediate layer (2) through compression molding.
6. The metal plastic clad composite article of claim 5, wherein: the upper plastic insulating sheet layer (1) forms an upper compression molding lug (61) in the through hole (4), the lower plastic insulating sheet layer (3) forms a lower compression molding lug (62) in the through hole (4), and the upper compression molding lug (61) and the lower compression molding lug (62) are contacted or connected or separated with each other.
7. The metal plastic clad composite article of claim 6, wherein: the outer side of the upper plastic insulating sheet layer (1) and the outer side of the lower plastic insulating sheet layer (3) are provided with compression molding grooves (63) at the positions of the upper plastic sucking convex blocks (51).
8. The metal plastic clad composite article of claim 1, wherein: the through holes (4) are uniformly distributed on the metal intermediate layer (2).
9. The metal plastic clad composite article of claim 1, wherein: the thickness of the upper plastic insulating sheet layer (1) is the same as that of the lower plastic insulating sheet layer (3), the upper plastic insulating sheet layer (1) and the lower plastic insulating sheet layer (3) are made of PP or PE, and the metal intermediate layer (2) is a steel plate or a galvanized plate or an iron plate or an aluminum plate.
10. The metal plastic clad composite article of claim 1, wherein: the thickness of the metal intermediate layer (2) is 0.5 mm or 0.6 mm or 0.7 mm, and the thickness of the upper plastic insulating sheet layer (1) and the thickness of the lower plastic insulating sheet layer (3) are 0.5 mm or 0.6 mm or 0.7 mm or 0.8 mm 0.9 or 1.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264876.4U CN220464946U (en) | 2023-08-23 | 2023-08-23 | Metal plastic covered synthetic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322264876.4U CN220464946U (en) | 2023-08-23 | 2023-08-23 | Metal plastic covered synthetic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464946U true CN220464946U (en) | 2024-02-09 |
Family
ID=89804675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322264876.4U Active CN220464946U (en) | 2023-08-23 | 2023-08-23 | Metal plastic covered synthetic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464946U (en) |
-
2023
- 2023-08-23 CN CN202322264876.4U patent/CN220464946U/en active Active
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