CN214333535U - Hard bulletproof fiberboard - Google Patents
Hard bulletproof fiberboard Download PDFInfo
- Publication number
- CN214333535U CN214333535U CN202120205692.9U CN202120205692U CN214333535U CN 214333535 U CN214333535 U CN 214333535U CN 202120205692 U CN202120205692 U CN 202120205692U CN 214333535 U CN214333535 U CN 214333535U
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- Prior art keywords
- layer
- bulletproof
- bullet
- fibers
- ballistic
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- 239000011094 fiberboard Substances 0.000 title claims description 9
- 239000000835 fiber Substances 0.000 claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 31
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 31
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000005977 Ethylene Substances 0.000 claims abstract description 7
- 229920001577 copolymer Polymers 0.000 claims abstract description 7
- 238000007731 hot pressing Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 124
- 229920006231 aramid fiber Polymers 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 6
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002121 nanofiber Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims 2
- 239000004760 aramid Substances 0.000 claims 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Landscapes
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a shellproof fibreboard of stereoplasm, concretely relates to fibreboard field, including the bulletproof board, the bulletproof board is met bullet layer, first shellproof layer, second shellproof layer, third shellproof layer and the mixed type hot pressing of fourth shellproof layer by multilayer or individual layer and is formed. According to the scheme, the bullet facing layer is preferentially arranged on the outer layer and is formed by interweaving carbon nanotube fibers and EVA fibers, the tensile strength of the carbon nanotube fibers is 2350MPA, the elastic modulus of the carbon nanotube fibers can reach 270GPA to 950GPA, and the density of the carbon nanotube fibers is 1.2g/cm3The EVA fiber is made of ethylene and vinyl acetate copolymer fiber, the hardness of the EVA fiber is between 70HS and 80HS, and the fracture degree of the EVA fiber is more than or equal to260% of the impact force of the suffered large-caliber bullet can be buffered, and 90% to 97% of the impact force of the small-caliber bullet can be counteracted.
Description
Technical Field
The utility model relates to a fibreboard technical field, more specifically say, the utility model specifically is a shellproof fibreboard of stereoplasm.
Background
Ballistic panel materials can be broadly classified into 3 categories. The bullet-proof steel sheet absorbs the kinetic energy of an incident bullet by the rigid deformation principle of hard-to-hard collision. Secondly, the ceramic material is broken into a plurality of fragments when the bullet is hit on the ceramic material, thereby consuming the kinetic energy of the bullet. And thirdly, the high polymer fiber material absorbs the energy of the bullet by tearing and elastic deformation generated when the bullet is impacted, so that the injury of the bullet to a human body is weakened.
In the prior art, most fiber materials of the bulletproof plates are formed by combining ultra-high molecular weight polyethylene fiber laid cloth and ultra-high molecular weight polyethylene fiber, but the ultra-high molecular weight polyethylene fiber laid cloth is high in cost, and the rigidity of the bulletproof plates pressed by the ultra-high molecular weight polyethylene fiber laid cloth is insufficient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a shellproof fibreboard of stereoplasm, through setting up at the outer layer preferentially and meeting the bullet layer, meet the bullet layer and constitute by carbon nanotube fiber and EVA fibre are crisscross to be woven, and carbon nanotube fiber tensile strength is 2350MPA, carbon nanotube fiber's elastic modulus can reach between 270GPA to the 950GPA to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the utility model provides the following technical scheme, a hard bulletproof fiberboard comprises a bulletproof board, wherein the bulletproof board is formed by hot pressing a plurality of layers or a single layer of bullet-facing layer, a first bulletproof layer, a second bulletproof layer, a third bulletproof layer and a fourth bulletproof layer in a mixed mode;
the bullet facing layer is formed by interweaving carbon nanotube fibers and EVA fibers, the thickness of the carbon nanotube fibers and the EVA fibers is 0.02mm to 1.5mm, the tensile strength of the carbon nanotube fibers is 2350MPA, the elastic modulus of the carbon nanotube fibers can reach 270GPA to 950GPA, and the density of the carbon nanotube fibers is 1.2g/cm3The EVA fiber is made of ethylene and vinyl acetate copolymer fiber material, the EVA fiber is made of ethylene and vinyl acetate copolymer fiber materialThe hardness of the EVA fiber is 70 HS-80 HS, and the fracture degree of the EVA fiber is more than or equal to 260%.
Preferably, the first bulletproof layer is made of aramid fiber, and the heating rate of the aramid fiber is greater than or equal to 560%.
Preferably, the second bulletproof layer is formed by weaving high-tensile strength organic fibers and nylon fibers, and the high-tensile strength organic fibers and the nylon fibers are woven in a twill shape.
Preferably, the third bullet-proof layer and the fourth bullet-proof layer are made of graphene nanofiber materials, and the specific gravity of the third bullet-proof layer and the fourth bullet-proof layer accounts for 6-9% of the total weight of the bullet-proof plate.
Preferably, the thickness of the whole single layer of the bullet facing layer, the first bulletproof layer, the second bulletproof layer, the third bulletproof layer and the fourth bulletproof layer is 0.01mm to 1.5mm, and the thickness of the whole single layer of the bullet facing layer, the first bulletproof layer, the second bulletproof layer, the third bulletproof layer and the fourth bulletproof layer is 1.5mm to 2.5 mm.
Preferably, the bullet facing layer, the first bullet proof layer, the second bullet proof layer, the third bullet proof layer and the fourth bullet proof layer are formed by hot-pressing and bonding epoxy resin adhesives, and epoxy resin among the bullet facing layer, the first bullet proof layer, the second bullet proof layer, the third bullet proof layer and the fourth bullet proof layer accounts for 5 WT% -8 WT% of the total weight of the bullet proof plate.
The utility model discloses a technological effect and advantage:
1. in the scheme, the bullet facing layer is preferentially arranged on the outer layer and is formed by interweaving carbon nanotube fibers and EVA fibers, the tensile strength of the carbon nanotube fibers is 2350MPA, the elastic modulus of the carbon nanotube fibers can reach 270GPA to 950GPA, and the density of the carbon nanotube fibers is 1.2g/cm3The EVA fiber is made of ethylene and vinyl acetate copolymer fiber, the hardness of the EVA fiber is 70 HS-80 HS, the fracture degree of the EVA fiber is more than or equal to 260%, the impact force of a large-caliber bullet suffered by the EVA fiber can be buffered, and 90% -97% of the impact force of a small-caliber bullet can be counteracted;
2. in the scheme, the first bulletproof layer is made of aramid fiber, the heating rate of the aramid fiber is more than or equal to 560%, the geothermal quantity generated by a bullet when the bullet contacts with a bullet-facing layer can be effectively prevented, and the integral integrity and heat resistance of the bulletproof plate are effectively ensured;
3. the second bulletproof layer is formed by weaving high-tensile-strength organic fibers and nylon fibers, the high-tensile-strength organic fibers and the nylon fibers are woven in a twill shape, the third bulletproof layer and the fourth bulletproof layer are made of graphene nanofiber materials, excellent rigidity is achieved, the strength is 15 times higher than that of steel, the manufacturing cost is low, and good popularization and practicability are achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of the bullet-facing layer of the present invention;
fig. 4 is a schematic structural view of a second bulletproof layer of the present invention.
The reference signs are:
1. a ballistic panel; 2. a bullet receiving layer; 3. a first ballistic layer; 4. a second ballistic layer; 5. a third bullet-proof layer; 6. a fourth ballistic layer; 21. carbon nanotube fibers; 22. EVA fiber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a hard bulletproof fiberboard as attached drawings 1-4, including bulletproof board 1, bulletproof board 1 is formed by multilayer or single-layer bullet-facing layer 2, first bulletproof layer 3, second bulletproof layer 4, third bulletproof layer 5 and fourth bulletproof layer 6 mixed hot pressing, bullet-facing layer 2 is formed by carbon nanotube fiber 21 and EVA fiber 22 interweaving weaving structureThe thickness of the carbon nanotube fiber 21 and the EVA fiber 22 is between 0.02mm and 1.5mm, the tensile strength of the carbon nanotube fiber 21 is 2350MPA, the elastic modulus of the carbon nanotube fiber 21 can reach between 270GPA and 950GPA, and the density of the carbon nanotube fiber 21 is 1.2g/cm3The EVA fiber 22 is made of ethylene and vinyl acetate copolymer fiber, the hardness of the EVA fiber 22 is 70 HS-80 HS, the breaking degree of the EVA fiber 22 is more than or equal to 260%, the first bulletproof layer 3 is made of aramid fiber, the heating rate of the aramid fiber is more than or equal to 560%, the second bulletproof layer 4 is formed by weaving high-tensile strength organic fiber and nylon fiber in a twill shape, the third bulletproof layer 5 and the fourth bulletproof layer 6 are made of graphene nanofiber, the specific gravity of the third bulletproof layer 5 and the fourth bulletproof layer 6 accounts for 6-9% of the total weight of the bulletproof plate 1, the thickness of the whole single layer of the bulletproof layer 2, the first bulletproof layer 3, the second bulletproof layer 4, the third bulletproof layer 5 and the fourth bulletproof layer 6 is 0.01-1.5 mm, the thickness of the bulletproof layer 2, the first bulletproof layer 3, the second bulletproof layer 4, the third bulletproof layer 5 and the fourth bulletproof layer 6 is between 0.01 mm-1.5 mm, the bulletproof layer 2, the first bulletproof layer 3, the second bulletproof layer 4 and the third bulletproof layer 4, The overall thickness of the third bullet-proof layer 5 and the fourth bullet-proof layer 6 is 1.5mm to 2.5mm, the bullet-receiving layer 2, the first bullet-proof layer 3, the second bullet-proof layer 4, the third bullet-proof layer 5 and the fourth bullet-proof layer 6 are formed by hot-pressing and bonding epoxy resin adhesives, and the epoxy resin between the bullet-receiving layer 2, the first bullet-proof layer 3, the second bullet-proof layer 4, the third bullet-proof layer 5 and the fourth bullet-proof layer 6 accounts for 5 WT% to 8WT% of the total weight of the bullet-proof plate 1.
The specific implementation mode is as follows:
when the fiberboard is impacted by bullets, the bullet facing layer 2 is arranged on the outer layer, the bullet facing layer 2 is formed by interweaving carbon nanotube fibers 21 and EVA fibers 22, the tensile strength of the carbon nanotube fibers 21 is 2350MPA, the elastic modulus of the carbon nanotube fibers 21 can reach 270GPA to 950GPA, and the density of the carbon nanotube fibers 21 is 1.2g/cm3The EVA fiber 22 is made of ethylene and vinyl acetate copolymer fiber, the hardness of the EVA fiber 22 is 70 HS-80 HS, and the breaking degree of the EVA fiber 22 is more than or equal to 260%. The impact force suffered by the shock absorber can be buffered.
Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
finally, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The hard bulletproof fiberboard comprises a bulletproof board (1), and is characterized in that the bulletproof board (1) is formed by hot-pressing a plurality of layers or a single layer of bullet-facing layers (2), a first bulletproof layer (3), a second bulletproof layer (4), a third bulletproof layer (5) and a fourth bulletproof layer (6) in a mixed mode;
the bullet facing layer (2) is formed by interweaving carbon nanotube fibers (21) and EVA fibers (22), the thicknesses of the carbon nanotube fibers (21) and the EVA fibers (22) are 0.02mm to 1.5mm, the tensile strength of the carbon nanotube fibers (21) is 2350MPA, the elastic modulus of the carbon nanotube fibers (21) can reach 270GPA to 950GPA, and the density of the carbon nanotube fibers (21) is 1.2g/cm3The EVA fibers (22) are made of ethylene and vinyl acetate copolymer fibers, the hardness of the EVA fibers (22) is 70 HS-80 HS, and the breaking degree of the EVA fibers (22) is more than or equal to 260%.
2. A rigid ballistic resistant panel according to claim 1, characterized in that the first ballistic layer (3) is made of aramid fibers, said aramid fibers having a thermal exposure of 560% or more.
3. A rigid ballistic resistant panel according to claim 1, characterized in that said second ballistic layer (4) is woven of high tensile strength organic fibres in combination with nylon fibres, said high tensile strength organic fibres and nylon fibres being woven in a twill pattern.
4. The hard bulletproof fiberboard of claim 1, wherein the third bulletproof layer (5) and the fourth bulletproof layer (6) are made of graphene nanofiber materials, and the specific gravity of the third bulletproof layer (5) and the fourth bulletproof layer (6) accounts for 6 to 9 percent of the total weight of the bulletproof fiberboard (1).
5. A rigid ballistic protection fiberboard according to claim 1, characterized in that the overall individual thickness of the ballistic layer (2), the first ballistic layer (3), the second ballistic layer (4), the third ballistic layer (5) and the fourth ballistic layer (6) is between 0.01mm and 1.5mm, and the overall thickness of the ballistic layer (2), the first ballistic layer (3), the second ballistic layer (4), the third ballistic layer (5) and the fourth ballistic layer (6) is between 1.5mm and 2.5 mm.
6. The hard bulletproof fiber sheet according to claim 1, wherein the bullet-facing layer (2), the first bulletproof layer (3), the second bulletproof layer (4), the third bulletproof layer (5) and the fourth bulletproof layer (6) are formed by hot-pressing and bonding epoxy resin adhesives, and the epoxy resin between the bullet-facing layer (2), the first bulletproof layer (3), the second bulletproof layer (4), the third bulletproof layer (5) and the fourth bulletproof layer (6) accounts for 5 WT% to 8WT% of the total weight of the bulletproof sheet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205692.9U CN214333535U (en) | 2021-01-25 | 2021-01-25 | Hard bulletproof fiberboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120205692.9U CN214333535U (en) | 2021-01-25 | 2021-01-25 | Hard bulletproof fiberboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214333535U true CN214333535U (en) | 2021-10-01 |
Family
ID=77906445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120205692.9U Expired - Fee Related CN214333535U (en) | 2021-01-25 | 2021-01-25 | Hard bulletproof fiberboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214333535U (en) |
-
2021
- 2021-01-25 CN CN202120205692.9U patent/CN214333535U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |