CN211552613U - Composite bulletproof plate - Google Patents
Composite bulletproof plate Download PDFInfo
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- CN211552613U CN211552613U CN201922400654.4U CN201922400654U CN211552613U CN 211552613 U CN211552613 U CN 211552613U CN 201922400654 U CN201922400654 U CN 201922400654U CN 211552613 U CN211552613 U CN 211552613U
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Abstract
The utility model belongs to shellproof equipment field especially relates to a compound bulletproof plate. The composite material comprises a panel layer, a structural layer and a back plate layer which are sequentially stacked, wherein the panel layer, the structural layer and the back plate layer are fixedly connected in a bonding mode, and a polyurea coating is sprayed on the surface of the panel layer, which is back to the structural layer; wherein the panel layer is made of alumina ceramic; the structural layer is formed by laminating at least one of polyacrylonitrile carbon fibers and high-strength glass carbon fibers; the back plate layer is made of at least one of ultra-high molecular weight polyethylene and aramid fiber. The utility model has the advantages that: the weight of the bulletproof plate is reduced while the bulletproof performance of the bulletproof plate is improved, the bulletproof plate is not easy to corrode, and the manufacturing difficulty and cost are reduced.
Description
Technical Field
The utility model belongs to shellproof equipment field especially relates to a compound bulletproof plate.
Background
At present, equipment needing bulletproof measures, such as military armored vehicles, cash trucks and the like, is mainly made of pure rolled steel plates, ceramic plates and combined materials thereof, and has the defects of heavy weight, sensitive defect, heavy design and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a composite bulletproof plate, which is used for solving the problems of heavy weight, easy corrosion, poor bulletproof performance, etc. of the bulletproof plate in the prior art.
In order to achieve the above and other related purposes, the utility model provides a composite bulletproof plate, which comprises a panel layer, a structural layer and a back plate layer which are sequentially stacked, wherein the panel layer, the structural layer and the back plate layer are fixedly connected in a bonding way, and the panel layer is only back-mounted on the surface of the structural layer and is sprayed with a polyurea coating; wherein the panel layer is made of alumina ceramic; the structural layer is formed by laminating at least one of polyacrylonitrile carbon fibers and high-strength glass carbon fibers; the back plate layer is made of at least one of ultra-high molecular weight polyethylene and aramid fiber.
The utility model has the advantages that: the weight of the bulletproof plate is reduced while the bulletproof performance of the bulletproof plate is improved, the bulletproof plate is not easy to corrode, and the manufacturing difficulty and cost are reduced.
Optionally, when the structural layer is formed by stacking one of polyacrylonitrile carbon fibers or high-strength glass carbon fibers, the carbon fiber layers are stacked sequentially at 0 °, -45 °, + 45 °, and the adjacent two carbon fiber layers are fixedly connected by adhesion.
Optionally, when the back plate layer is formed by stacking one of the ultra-high molecular weight polyethylene and the aramid fiber, the layers are sequentially stacked at 0 ° and 90 ° in a circulating manner, and the two adjacent layers are fixedly connected by bonding.
Optionally, when the back plate layer is woven by the ultra-high molecular weight polyethylene and the aramid fiber, the woven fabric is a unidirectional fabric, or the texture of the woven fabric is any one of plain weave, twill weave, satin weave and basket weave.
The beneficial effect of adopting the above optional scheme is: the structural layer can effectively eliminate the residual penetration force of the bullet after penetrating through the panel layer, the back plate layer absorbs and diffuses the residual energy of bullet impact and fragment cutting, and the back plate layer buffers, reduces non-penetrating damage and improves the bulletproof performance.
Optionally, the thickness of the panel layer is 5mm to 10mm, and the thickness of the polyurea coating is 2mm to 5 mm.
Optionally, the thickness of the structural layer is 3mm to 6 mm.
Optionally, the back plate layer has a thickness of 5mm to 10 mm.
The beneficial effect of adopting the above optional scheme is: each layer sets up suitable thickness and not only can guarantee the bulletproof performance of bulletproof plate, also can alleviate bulletproof plate's weight for bulletproof plate is light more.
Optionally, the bonding mode is bonding, compounding and fixing through a polymer adhesive film or thermoplastic resin.
Optionally, the polymer adhesive film is made of at least one of cross-linked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer; the thermoplastic resin is made of at least one of crosslinked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer.
Optionally, the panel layer, the structural layer and the back plate layer are integrally formed by die pressing or RTM.
The beneficial effect of adopting the above optional scheme is: the manufacturing is simple and convenient, the structure is firm and stable, the bulletproof plate has light weight and high strength, and has the advantages of corrosion resistance, flame retardance, environmental protection and the like.
Drawings
Fig. 1 is a schematic structural view of the composite bulletproof plate of the present invention;
fig. 2 is a schematic view showing the structure stacking direction of the composite bulletproof plate of the present invention;
fig. 3 is a schematic view of the laminated direction of the back plate of the composite bulletproof plate of the present invention.
Description of reference numerals
1, panel layer;
2, structural layers;
21 a first carbon fiber layer;
22 a second carbon fiber layer;
23 a third carbon fiber layer;
3, a back plate layer;
31 a first layer;
32 a second layer;
4, an adhesive layer;
5 polyurea coating.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.
As shown in fig. 1, the utility model discloses a composite bulletproof plate, including stacking panel layer 1, structural layer 2 and the backplate layer 3 of establishing in proper order, through bonding mode fixed connection between panel layer 1, structural layer 2 and the backplate layer 3, bonding mode can bond complex fixedly through polymer glued membrane or thermoplastic resin, and the adhesive linkage 4 between panel layer 1, structural layer 2, the backplate layer 3 promptly can be polymer glued membrane or thermoplastic resin. Wherein the polymer adhesive film is made of at least one of cross-linked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer; the thermoplastic resin is made of at least one of crosslinked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer, and the polymer adhesive film and the thermoplastic resin are both materials in the prior art. The panel layer 1, the structural layer 2 and the back plate layer 3 can be formed into a whole through mould pressing or RTM (RTM is resin transfer molding) when being bonded and fixed, the manufacture is simple and convenient, and the forming quality is ensured.
As shown in fig. 1, the panel layer 1 is made of alumina ceramic, and the thickness of the panel layer 1 may be 5mm to 10mm, for example, the thickness of the panel layer 1 is any one of 5mm, 7mm, and 10 mm. Most of the energy generated when the bullet impacts the bulletproof plate is dissipated through the panel layer 1, and fragments generated when the bullet is broken are dispersed. The panel layer 1 is only sprayed with the polyurea coating 5 on the surface back to the structural layer 2, and the thickness of the polyurea coating 5 can be 2 mm-5 mm, for example, the thickness of the polyurea coating 5 is any one of 2mm, 3.5mm and 5 mm. Polyurea coating 5 plays waterproof wear-resisting effect to the broken piece that produces when the bullet is broken has the cladding effect, prevents that the broken piece from hurting people, has improved the comfort level when dressing. Polyurea coating 5 only sprays on the surface of panel layer 1 back to structural layer 2 (this surface is promptly the surface with the bullet first contact), when avoiding bulletproof plate and other structural connection, polyurea coating 5 interferes with other structures, if the polyurea coating 5 that will interfere excision appears the layering again easily, there is the potential safety hazard, and only the surface spraying polyurea coating 5 spraying of panel layer 1 back to structural layer 2 is simple and convenient, avoided the material waste, the cost is reduced, still alleviateed the total weight of bulletproof plate simultaneously, also reduced the degree of difficulty of recovery processing.
As shown in fig. 1 and 2, the thickness of the structural layer 2 may be 3mm to 6mm, for example, the thickness of the structural layer 2 may be any one of 3mm, 4mm, 5mm and 6mm, and the residual penetration force of the bullet after penetrating the panel layer 1 is eliminated by the structural layer 2. The structural layer 2 is formed by laminating at least one layer of polyacrylonitrile carbon fiber and high-strength glass carbon fiber, the adjacent two carbon fiber layers are fixedly connected in a bonding mode, and a high polymer adhesive film or thermoplastic resin can be used for bonding during bonding; namely, the structural layer 2 is formed by laminating a polyacrylonitrile carbon fiber layer, or the structural layer 2 is formed by laminating a high-strength glass carbon fiber layer, or the structural layer 2 is formed by alternately laminating a polyacrylonitrile carbon fiber layer and a high-strength glass carbon fiber layer. When the structural layer 2 is formed by stacking one of polyacrylonitrile carbon fibers or high-strength glass carbon fibers, the basic direction of each carbon fiber layer is the same, each carbon fiber layer is circularly stacked by 0 °, -45 °, + -45 °, namely, the basic direction of the first carbon fiber layer 21 is used as the reference of the initial stacking direction, then the second carbon fiber layer 22 is stacked on the first carbon fiber layer 21 after being inclined by 45 ° counterclockwise, and the third carbon fiber layer 23 is stacked on the second carbon fiber layer 22 after being inclined by 45 ° clockwise, and is sequentially and circularly stacked until reaching the preset thickness, so that the strength of the structural layer 2 is improved. When the structural layer 2 is formed by alternately stacking polyacrylonitrile carbon fibers and high-strength glass carbon fibers, the polyacrylonitrile carbon fibers and the high-strength glass carbon fibers have different basic directions, and the strength of the structural layer 2 can be ensured by randomly stacking the polyacrylonitrile carbon fibers and the high-strength glass carbon fibers.
As shown in fig. 1 and 3, the back sheet layer 3 may have a thickness of 5mm to 10mm, for example, the back sheet layer 3 may have a thickness of any one of 5mm, 6mm, 8mm, 9mm, and 10 mm. The back plate layer 3 is made of at least one of ultra-high molecular weight polyethylene and aramid fiber; the back plate layer 3 is formed by stacking ultra-high molecular weight polyethylene layers, or the back plate layer 3 is formed by stacking aramid fiber layers, or the back plate layer 3 is formed by weaving ultra-high molecular weight polyethylene and aramid fiber. When the back plate layer 3 is formed by stacking one of the ultra-high molecular weight polyethylene and the aramid fiber, the basic direction of each layer of material is the same, each layer is sequentially stacked at 0 degree and 90 degrees in a circulating manner, namely, the basic direction of the first layer 31 is used as the reference of the initial stacking direction, then the second layer 32 is stacked on the first layer 31 after rotating for 90 degrees, and is sequentially stacked in a circulating manner until the preset thickness is reached, and the adjacent two layers are fixedly connected in a bonding manner, and a high molecular adhesive film or thermoplastic resin can be used for bonding during bonding. When the backboard layer 3 is woven by the ultra-high molecular weight polyethylene and the aramid fiber, the woven fabric is a unidirectional fabric, or the texture of the fabric is any one of plain weave, twill, satin and basket weave, and through the tensile deformation of the high-strength fiber fabric and the interaction force among the fabrics, the residual energy of bullet impact and fragment cutting can be effectively absorbed and diffused, the buffering effect is achieved, the non-penetrating damage is reduced, and the bulletproof performance is improved.
This compound bulletproof plate has reduced bulletproof plate's quality through multilayer structure's rational overall arrangement, has improved bulletproof plate's intensity and bulletproof performance, still has excellent properties such as corrosion-resistant, fire-retardant simultaneously.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a compound bulletproof plate which characterized in that: the composite material comprises a panel layer, a structural layer and a back plate layer which are sequentially stacked, wherein the panel layer, the structural layer and the back plate layer are fixedly connected in a bonding mode, and a polyurea coating is sprayed on the surface of the panel layer, which is back to the structural layer; wherein the panel layer is made of alumina ceramic; the structural layer is formed by laminating at least one of polyacrylonitrile carbon fibers and high-strength glass carbon fibers; the back plate layer is made of any one of ultra-high molecular weight polyethylene and aramid fiber.
2. The composite ballistic panel of claim 1, wherein: when the structural layer is formed by stacking one of polyacrylonitrile carbon fiber or high-strength glass carbon fiber, the carbon fiber layers are sequentially stacked by 0 degree, 45 degrees and 45 degrees, and the adjacent two carbon fiber layers are fixedly connected in an adhesion mode.
3. The composite ballistic panel of claim 1, wherein: when the back plate layer is formed by stacking one of the ultra-high molecular weight polyethylene and the aramid fiber, the layers are sequentially and circularly stacked at 0 degree and 90 degrees, and the two adjacent layers are fixedly connected in a bonding mode.
4. The composite ballistic panel of claim 1, wherein: when the back plate layer is woven by the ultra-high molecular weight polyethylene and the aramid fiber, the woven fabric is a unidirectional fabric, or the texture of the fabric is any one of plain weave, twill, satin and basket weave.
5. The composite ballistic panel of claim 1, wherein: the thickness of the panel layer is 5 mm-10 mm, and the thickness of the polyurea coating is 2 mm-5 mm.
6. The composite ballistic panel of claim 1, wherein: the thickness of the structural layer is 3-6 mm.
7. The composite ballistic panel of claim 1, wherein: the thickness of the back plate layer is 5 mm-10 mm.
8. A composite ballistic panel according to any one of claims 1 to 3, wherein: the bonding mode is that the bonding composite fixation is carried out through a high polymer adhesive film or thermoplastic resin.
9. The composite ballistic panel of claim 8, wherein: the polymer adhesive film is made of any one of cross-linked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer; the thermoplastic resin is made of any one of crosslinked polyethylene, ethylene-ethyl acrylate and acetic acid-vinyl acetate copolymer.
10. The composite ballistic panel of claim 8, wherein: the panel layer, the structural layer and the back plate layer are formed into a whole through mould pressing or RTM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400654.4U CN211552613U (en) | 2019-12-27 | 2019-12-27 | Composite bulletproof plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400654.4U CN211552613U (en) | 2019-12-27 | 2019-12-27 | Composite bulletproof plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211552613U true CN211552613U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922400654.4U Active CN211552613U (en) | 2019-12-27 | 2019-12-27 | Composite bulletproof plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066806A (en) * | 2020-10-09 | 2020-12-11 | 山西中电科技特种装备有限公司 | Bulletproof and antiknock composite large plate for shelter |
-
2019
- 2019-12-27 CN CN201922400654.4U patent/CN211552613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112066806A (en) * | 2020-10-09 | 2020-12-11 | 山西中电科技特种装备有限公司 | Bulletproof and antiknock composite large plate for shelter |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 2, No.86, Beiyi Road, Dongying Development Zone, Shandong Province, 257055 Patentee after: Shengli new big new materials Co., Ltd Address before: 257055 No. 86 Beiyi Road, Dongying Development Zone, Shandong Province Patentee before: SHENGLI OILFIELD XINDA PIPES TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |