CN220447371U - Metal plate sandwich structure of continuous fiber composite material - Google Patents
Metal plate sandwich structure of continuous fiber composite material Download PDFInfo
- Publication number
- CN220447371U CN220447371U CN202321871998.3U CN202321871998U CN220447371U CN 220447371 U CN220447371 U CN 220447371U CN 202321871998 U CN202321871998 U CN 202321871998U CN 220447371 U CN220447371 U CN 220447371U
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- metal plate
- continuous fiber
- material layer
- composite material
- sandwich structure
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- 239000002184 metal Substances 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 239000000835 fiber Substances 0.000 title claims abstract description 38
- 239000002657 fibrous material Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000748 compression moulding Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 51
- 239000011229 interlayer Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007723 die pressing method Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 238000009745 resin transfer moulding Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
The utility model discloses a metal plate sandwich structure of a continuous fiber composite material, which comprises the following components: the device comprises a first continuous fiber material layer, a metal plate and a second continuous fiber material layer which are sequentially arranged from bottom to top, wherein a through hole is formed in the metal plate; the first continuous fiber material layer, the metal plate and the second continuous fiber material layer are sequentially placed in a preforming die, and the first continuous fiber material layer, the metal plate and the second continuous fiber material layer are integrally formed in a die pressing mode. According to the utility model, the metal plate is used as an interlayer filler, the metal plate is paved for pore processing, and the HP-RTM technology is used for integrally forming to prepare the upper cover of the new energy battery box, so that the bonding reliability between the composite material and the metal plate is effectively improved, the rigidity and strength of the body are improved, and the flame can be prevented from overflowing and spraying when the new energy battery is out of control.
Description
Technical Field
The utility model relates to the technical field of composite materials, in particular to a metal plate sandwich structure of a continuous fiber composite material.
Background
Along with the popularization of new energy vehicles, requirements are put forward on the protection of new energy batteries, and the battery box cover is applied to the field of electric vehicle bodies, mainly protects a battery pack, provides buffering for the battery in the collision process, and protects the battery from being corroded by external environments. In order to meet the requirements of heat conduction, fire prevention and radio frequency output at the same time, a shell of an electronic product is often made of a composite board. The processing of the composite board adopts an HP-RTM high-pressure resin transfer molding process frequently; the HP-RTM process is a molding process for obtaining a composite material product by using high-pressure to mix resin in opposite impact and injecting the mixture into a vacuum-tight mold which is pre-paved with fiber reinforced materials and preset inserts, and filling the mold with resin in a flowing manner, dipping, curing and demolding. In the existing insert structure, the reinforcing plate is directly laid in the middle of the continuous fiber fabric, so that gap loosening can occur in the adhesion of the body fiber fabric and the reinforcing plate, and whether peristaltic movement and loosening deformation occur in the adhesion of the body fiber fabric and the reinforcing plate can not be ensured due to the flowability of resin in the fusion forming process of the resin matrix.
In the prior art, as in chinese patent application No. 201911276709.3, a thermoplastic composite and a composite part and a method of manufacturing the same are disclosed, the composite comprising a plurality of laminated fibrous dry cloth layers; wherein a reinforcing sheet layer is paved between two adjacent fiber dry cloth layers; the reinforcing sheet layer contains thermoplastic resin and discontinuous fibers, at least part of the discontinuous fibers extending in the thickness direction of the reinforcing sheet layer; at least some of the ends of the discontinuous fibers extend into an adjacent one or more of the fibrous dry layers. The structure can realize the reinforcement of the composite material, but due to the fluidity of the resin, looseness can occur among layers in the process of resin fusion, and the conditions of creeping and loosening deformation appear.
Therefore, there is a need for a metal sheet sandwich structure of continuous fiber composite material to solve the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to solve the above problems, the present utility model provides a metal plate sandwich structure of continuous fiber composite material, comprising:
the device comprises a first continuous fiber material layer, a metal plate and a second continuous fiber material layer which are sequentially arranged from bottom to top, wherein through holes are formed in the metal plate.
Preferably, the metal plate is provided as a steel plate.
Preferably, the first continuous fiber material layer and the second continuous fiber material layer are provided as carbon fiber layers.
Preferably, the first continuous fiber material layer, the metal plate and the second continuous fiber material layer are sequentially placed in a pre-forming die, and the first continuous fiber material layer, the metal plate and the second continuous fiber material layer are integrally formed in a die pressing mode.
Preferably, the outer sides of the first continuous fiber material layer, the metal plate and the second continuous fiber material layer are bonded with resin.
Preferably, the preform formed by the first continuous fiber material layer, the metal plate and the second continuous fiber material layer is placed in an injection mold, and the resin is injected into the injection mold and cured.
Preferably, the temperature of the injection mold is set to 70-180 ℃ and the vacuum degree is not more than-0.085 MPa.
Preferably, the number of the through holes is set to be plural, and the plural through holes are arranged in an array in the length and width directions of the metal plate.
Preferably, the through hole is formed in the center of the metal plate, a plurality of arc-shaped grooves penetrating through the metal plate are formed in the metal plate, and the arc-shaped grooves and the through hole are concentrically arranged.
Preferably, the through hole is formed in the center of the metal plate, a plurality of rectangular pressing grooves are formed in the metal plate, the rectangular pressing grooves are arranged around the through hole, and the rectangular pressing grooves are symmetrically arranged on the upper side and the lower side of the metal plate.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
the metal plate is used as an interlayer of two continuous fiber material layers to form a metal plate interlayer structure of the continuous fiber composite material, and the continuous fiber composite material and the metal plate are manufactured by adopting integral molding, so that subsequent secondary treatment is avoided; the weight of the body is effectively reduced by punching the metal plate, and the structural quality of a finished product is reduced; in the fusion process of the resin matrix, the continuous fiber composite material and the metal plate, the two continuous fiber composite material layers and the metal plate can be bonded more firmly, and the reliability is higher, so that the rigidity and the strength of the battery case cover are increased.
The metal plate is used as an interlayer filler, the metal plate is paved for pore processing, the HP-RTM technology is used for integrally forming and preparing the upper cover of the new energy battery box, the bonding reliability between the composite material and the metal plate is effectively improved, the rigidity and the strength of the body are improved, the flame retardant and heat insulating capability of the composite material structure is high, and the flame overflowing and spraying can be prevented when the new energy battery is out of control.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a metal plate according to the present utility model;
FIG. 3 is a schematic view of a metal plate with an arc-shaped groove according to the present utility model;
FIG. 4 is a schematic view of a metal plate with rectangular press grooves according to the present utility model;
fig. 5 is a schematic cross-sectional structure of a metal plate with rectangular pressing grooves according to the present utility model.
In the figure: 1. a first continuous layer of fibrous material; 2. a metal plate; 3. a second layer of continuous fibrous material; 4. a through hole; 5. an arc-shaped groove; 6. rectangular pressing grooves.
Detailed Description
The present utility model is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1:
as shown in fig. 1-2, a metal sheet sandwich structure of continuous fiber composite material, comprising:
the metal plate comprises a first continuous fiber material layer 1, a metal plate 2 and a second continuous fiber material layer 3 which are sequentially arranged from bottom to top, wherein a through hole 4 is formed in the metal plate 2.
The metal plate 2 is provided as a steel plate.
The first continuous fiber material layer 1 and the second continuous fiber material layer 3 are provided as carbon fiber layers.
The first continuous fiber material layer 1, the metal plate 2 and the second continuous fiber material layer 3 are sequentially placed in a pre-forming die, and the first continuous fiber material layer 1, the metal plate 2 and the second continuous fiber material layer 3 are integrally formed in a die pressing mode.
The outer sides of the first continuous fiber material layer 1, the metal plate 2 and the second continuous fiber material layer 3 are bonded with resin.
The preform formed of the first continuous fiber material layer 1, the metal plate 2 and the second continuous fiber material layer 3 is placed in an injection mold, and resin is injected into the injection mold and cured.
The temperature of the injection mold is set to 70-180 ℃ and the vacuum degree is not more than-0.085 MPa.
The working principle and the beneficial effects of the technical scheme are as follows:
the metal plate sandwich structure of the continuous fiber composite material adopts an HP-RTM technology when being applied to processing of a battery box cover, and the processing procedures are as follows:
s1, cutting the sizes of a metal plate 2 and a continuous fiber material layer according to the product drawing size of a battery case cover;
s2, carrying out local punching on the metal plate 2;
s3, sequentially placing the first continuous fiber material layer 1, the perforated metal plate 2 and the second continuous fiber material layer 3 into a preforming die, and performing preforming integrated processing on the battery case cover;
s4, placing the preformed body in the S3 in an injection mold;
s5, closing an injection mold, preparing injection resin, wherein the temperature of the injection mold is set to be 70-180 ℃, and the vacuum degree is not more than-0.085 MPa;
s6, after the glue injection is completed, heating the injection mold for 3-5 min, and opening the injection mold for demolding;
s7, cutting off waste edges of the products to finish the production process.
The metal plate 2 is used as an interlayer of two continuous fiber material layers to form a metal plate interlayer structure of a continuous fiber composite material, and the continuous fiber composite material and the metal plate 2 are manufactured by adopting integral molding, so that subsequent secondary treatment is avoided; the metal plate 2 is perforated, so that the weight of the body is effectively reduced, and the structural quality of a finished product is reduced; in the S5 process of fusing the resin matrix, the continuous fiber composite material and the metal plate 2, the resin can flow to the position between the continuous fiber composite material and the metal plate 2 and enter the through hole 4, so that the horizontal acting force directly acting on the metal plate 2 is reduced, and the creeping in the resin flowing process is avoided; and stacked at the through holes 4, the resin amount at the through holes 4 is increased, so that the two continuous fiber composite material layers and the metal plate 2 can be bonded more firmly and more reliably, and the rigidity and strength of the battery case cover are increased.
Through the structural design, the metal plate 2 is used as an interlayer filler, the metal plate 2 is paved for pore processing, the HP-RTM technology is used for integrally forming and preparing the upper cover of the new energy battery box, the bonding reliability between the composite material and the metal plate 2 is effectively improved, the rigidity and the strength of the body are improved, the flame-retardant and heat-insulating capability of the composite material structure is high, and flame overflowing spraying can be prevented when the new energy battery is out of control.
Example 2:
as shown in fig. 2, on the basis of the above-described embodiment 1, the number of the through holes 4 is set to be plural, and the plural through holes are arranged in an array in the length and width directions of the metal plate 2.
The working principle and the beneficial effects of the technical scheme are as follows:
the metal plate 2 is provided with the through holes 4, the through holes 4 are uniformly arranged on the metal plate 2, the metal plate 2 can still be uniformly stressed after being perforated, a plurality of uniformly arranged bonding points are formed after resin is fused in the uniformly arranged through holes 4, the bonding strength of the metal plate 2 and the continuous fiber material layer is improved, a plurality of outlets are provided for resin flowing, the horizontal thrust generated in the glue injection process is reduced, the structural stress is uniform, and bonding creep and loosening deformation can be effectively avoided.
Example 3:
as shown in fig. 3, in the above embodiment 1, the through hole 4 is formed in the center of the metal plate 2, and a plurality of arc-shaped grooves 5 penetrating the metal plate 2 are formed in the metal plate 2, and the arc-shaped grooves 5 are concentrically arranged with the through hole 4.
The working principle and the beneficial effects of the technical scheme are as follows:
the metal plate 2 is provided with the plurality of arc grooves 5, the plurality of arc grooves 5 take the through holes as the center, the radial arc grooves 5 from inside to outside are formed to be arranged, the arrangement positions of the arc grooves 5 are staggered with the diagonal positions of the metal plate 2, the open area is large, the light weight degree of the metal plate 2 can be improved, the weight reduction is further realized, the rigidity of the metal plate 2 is ensured, and the stress path is optimized.
Example 3:
as shown in fig. 4 and 5, on the basis of the above embodiment 1, the through hole 4 is formed in the center of the metal plate 2, a plurality of rectangular pressing grooves 6 are formed in the metal plate 2, a plurality of rectangular pressing grooves 6 are formed around the through hole 4, and the rectangular pressing grooves 6 are symmetrically arranged on the upper and lower sides of the metal plate 2.
The working principle and the beneficial effects of the technical scheme are as follows:
the through holes 4 are used for reducing the weight of the metal plate 2, a plurality of rectangular pressing grooves 6 are pressed on the upper surface and the lower surface of the metal plate 2, when the metal plate 2 is fused with resin, the resin can flow into the rectangular pressing grooves 6, the horizontal acting force of the resin is reduced, the creeping phenomenon is avoided, the resin is accumulated on the upper surface and the lower surface of the metal plate 2, the resin in the rectangular pressing grooves 6 bonds the metal plate 2 with the continuous fiber material layer, the contact area of the resin and the continuous fiber material layer is improved, the bonding effect is better, reinforcing ribs of the metal plate 2 are formed between the adjacent rectangular pressing grooves 6 on the metal plate 2, and the rigidity of the metal plate 2 is ensured.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. A sheet metal sandwich structure of continuous fiber composite material, comprising:
the metal plate (2) is provided with a through hole (4).
2. A metal sheet sandwich structure of a continuous fiber composite material according to claim 1, characterized in that the metal sheet (2) is provided as a steel sheet.
3. A sheet metal sandwich structure of a continuous fibre composite according to claim 1, characterized in that the first continuous fibre material layer (1) and the second continuous fibre material layer (3) are provided as carbon fibre layers.
4. The metal plate sandwich structure of the continuous fiber composite material according to claim 1, wherein the first continuous fiber material layer (1), the metal plate (2) and the second continuous fiber material layer (3) are sequentially placed in a pre-forming die, and the first continuous fiber material layer (1), the metal plate (2) and the second continuous fiber material layer (3) are integrally formed in a compression molding mode.
5. A sheet metal sandwich structure of continuous fibre composite according to claim 1, characterized in that the outer sides of the first continuous fibre material layer (1), the metal sheet (2) and the second continuous fibre material layer (3) are bonded with resin.
6. A metal sheet sandwich structure of continuous fibre composite material according to claim 1, characterized in that the number of through holes (4) is arranged in a plurality, which are arranged in an array in the length and width direction of the metal sheet (2).
7. The metal plate sandwich structure of the continuous fiber composite material according to claim 1, wherein the through hole (4) is formed in the center of the metal plate (2), a plurality of arc-shaped grooves (5) penetrating through the metal plate (2) are formed in the metal plate (2), and the arc-shaped grooves (5) and the through hole (4) are concentrically arranged.
8. The metal plate sandwich structure of the continuous fiber composite material according to claim 1, wherein the through hole (4) is formed in the center of the metal plate (2), a plurality of rectangular pressing grooves (6) are formed in the metal plate (2), the rectangular pressing grooves (6) are arranged around the through hole (4), and the rectangular pressing grooves (6) are symmetrically arranged on the upper side and the lower side of the metal plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871998.3U CN220447371U (en) | 2023-07-17 | 2023-07-17 | Metal plate sandwich structure of continuous fiber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321871998.3U CN220447371U (en) | 2023-07-17 | 2023-07-17 | Metal plate sandwich structure of continuous fiber composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220447371U true CN220447371U (en) | 2024-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321871998.3U Active CN220447371U (en) | 2023-07-17 | 2023-07-17 | Metal plate sandwich structure of continuous fiber composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220447371U (en) |
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- 2023-07-17 CN CN202321871998.3U patent/CN220447371U/en active Active
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