CN114087924A - Multi-bullet-resistant lightweight bionic bulletproof plugboard and manufacturing method thereof - Google Patents
Multi-bullet-resistant lightweight bionic bulletproof plugboard and manufacturing method thereof Download PDFInfo
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- CN114087924A CN114087924A CN202111296536.9A CN202111296536A CN114087924A CN 114087924 A CN114087924 A CN 114087924A CN 202111296536 A CN202111296536 A CN 202111296536A CN 114087924 A CN114087924 A CN 114087924A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/007—Reactive armour; Dynamic armour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/022—Mechanical properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0414—Layered armour containing ceramic material
- F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
Abstract
The invention relates to a lightweight bionic bulletproof flashboard capable of resisting multiple bullets and a manufacturing method thereof. The bionic main bulletproof layer comprises a hard ceramic panel, the hard ceramic panel comprises a plurality of packaged ceramic units which are closely arranged in a row and column manner, each packaged ceramic unit comprises a massive rubber ceramic column structure and a wrapping cloth wrapping the rubber ceramic column structure, and each rubber ceramic column structure comprises a plurality of ceramic columns which are closely arranged in the row and column manner and a rubber body filled between the ceramic columns. The buffering energy absorption layer is stacked between the bionic main bulletproof layer and the inner layer. By using the biological structure for reference, the bulletproof flashboard is designed into a three-layer structure combining hardness and softness, and the bionic main bulletproof layer is designed into a hierarchical structure arranged in order, so that the problem that the existing bulletproof flashboard is insufficient in resistance to multiple bullets is effectively solved, the bulletproof flashboard is convenient to repair, and secondary utilization is facilitated.
Description
Technical Field
The invention relates to the technical field of bulletproof equipment, in particular to a lightweight bionic bulletproof flashboard capable of resisting multiple bullets and a manufacturing method thereof.
Background
The bulletproof flashboard is used as individual-soldier ballistic protection equipment, and plays an important role in the aspects of protecting life safety of nurses and soldiers, maintaining soldier strength and combat effectiveness of troops, ensuring action success and the like. With the rapid development of weaponry, under the actual combat environment, the risk that soldiers are attacked by shots and fragments is increased day by day, and in order to guarantee the life safety of individual soldiers and improve the flexibility of individual soldier combat, the development of light-weight bulletproof equipment with high bulletproof performance is particularly necessary.
The existing bulletproof flashboard is formed by sticking a whole ceramic panel or a plurality of blocky ceramic plates on a fiber composite material backboard, and after the bulletproof flashboard with the structure is struck by a bullet, the ceramic blocks are easy to crack and splash, so that the protection capability of the bulletproof flashboard is greatly reduced when the bulletproof flashboard is impacted by two or more shots, and the multi-shot striking resistance of the bulletproof flashboard is influenced.
Disclosure of Invention
Technical problem to be solved
In view of the defects and shortcomings of the prior art, the invention provides a lightweight bionic bulletproof flashboard capable of resisting multiple bullets, which solves the technical problem that the protection capability of the existing bulletproof flashboard for resisting multiple bullets is insufficient.
(II) technical scheme
In order to achieve the above object, the present invention provides a multi-bullet resistant lightweight bionic bulletproof flashboard comprising:
the bionic main bulletproof layer comprises a hard ceramic panel, the hard ceramic panel comprises a plurality of packaging ceramic units which are closely arranged in a row and column manner, each packaging ceramic unit comprises a blocky rubber ceramic column structure and wrapping cloth wrapping the rubber ceramic column structure, and each rubber ceramic column structure comprises a plurality of ceramic columns which are closely arranged in the row and column manner and a rubber body filled between the ceramic columns;
a buffer energy absorbing layer; and
the buffering energy absorption layer is stacked between the bionic main bulletproof layer and the inner layer.
Preferably, each first side of the packaging ceramic unit is provided with a convex block, a groove is formed in the second side opposite to the first side, and the convex block of the packaging ceramic unit in the same row can be mutually clamped with the adjacent groove of the packaging ceramic unit.
Preferably, any row of the packaging ceramic units is bonded with another row of the adjacent packaging ceramic units through an adhesive;
any one of the encapsulated ceramic units in any row is staggered with any one of the encapsulated ceramic units in an adjacent row.
Preferably, the wrapping cloth is high-performance fiber cloth, and the high-performance fiber cloth is bonded and wrapped outside the rubber ceramic column structure through an adhesive.
Preferably, the high-performance fiber cloth is a woven fabric obtained by mixing ultrahigh molecular weight polyethylene fibers and basalt fibers.
Preferably, the lightweight bionic bulletproof flashboard comprises at least one of the following three technical schemes:
firstly, the ceramic column is cylindrical, two ends of the ceramic column are provided with cambered surface protrusions, and the cambered surface protrusions can change the shooting angle of a bullet;
secondly, the rubber body is room temperature vulcanized silicone rubber wrapping the ceramic column;
thirdly, the ceramic column is made of at least one of silicon carbide, boron carbide, alumina, aluminum nitride and titanium boride.
Preferably, the energy absorbing and buffering layer and the inner layer are both high-performance fiber laminated plates.
Preferably, the material of the high-performance fiber laminated board is ultrahigh molecular weight polyethylene fiber;
or the high-performance fiber laminated board is a laminated board formed by mixing ultrahigh molecular weight polyethylene fibers and auxiliary material fibers, the auxiliary material fibers are at least one of carbon fibers, PBO fibers, aramid fibers and basalt fibers, and the mass proportion of the ultrahigh molecular weight polyethylene fibers in the high-performance fiber laminated board is greater than or equal to 60%.
Preferably, the bionic main bulletproof layer is bonded to the energy-absorbing buffer layer through an adhesive, and the energy-absorbing buffer layer is bonded to the inner layer through an adhesive;
and/or the bionic main bulletproof layer further comprises a polyurethane sealing strip for edge sealing of the periphery of the hard ceramic panel.
Furthermore, the invention also provides a manufacturing method of the lightweight bionic bulletproof flashboard, and the manufacturing method is used for manufacturing the lightweight bionic bulletproof flashboard capable of resisting multiple bullets and comprises the following steps:
arranging a plurality of cylindrical ceramic column rectangular arrays in a rectangular mould coated with completely dried paraffin, pouring room temperature vulcanized silicone rubber into the rectangular mould, and curing at room temperature for 6-8 hours to form a blocky rubber ceramic column structure;
arranging a lug on a first side of the rubber ceramic column structure and arranging a groove on a second side opposite to the first side;
cutting high-performance fiber cloth according to the shape of the rubber ceramic column structure, and bonding and coating one or more layers of the high-performance fiber cloth on the outer surface of the rubber ceramic column structure by adopting an adhesive to form a packaging ceramic unit;
paving and bonding a plurality of packaging ceramic units on a buffering energy absorption layer by using an adhesive, wherein the bumps of any one packaging ceramic unit in the same row can be mutually clamped with the grooves of the adjacent packaging ceramic units, and any one packaging ceramic unit in any row is mutually staggered with any one packaging ceramic unit in the adjacent row; a plurality of the packaging ceramic units which are closely arranged in a row-by-row manner form a hard ceramic panel;
adopting a polyurethane sealing strip to carry out edge-covering sealing on the periphery of the hard ceramic panel to form a bionic main bulletproof layer;
and an inner layer is superposed on one surface of the buffer energy absorption layer opposite to the bionic main bulletproof layer, and the bionic main bulletproof layer, the buffer energy absorption layer and the inner layer are pressed by a hot-pressing tank forming method to form the lightweight bionic bulletproof plugboard.
(III) advantageous effects
The invention designs the bulletproof flashboard into a three-layer structure with soft and hard combination by using a multi-level gradient layered structure with soft and hard combination of teeth and a 'brick-mud' structure with alternately superposed shells, and particularly comprises a bionic main bulletproof layer, a buffering energy absorption layer and an inner layer. The bionic bulletproof layer is a hierarchical structure which is orderly arranged, and is a hard ceramic panel formed by bonding a plurality of packaged ceramic units according to a 'brick-mud' structure of a shell.
The two ends of the ceramic column are designed into arc-shaped bulges, so that the angle of a bullet shooting into the bulletproof flashboard can be changed, the impact force and the speed of the bullet hitting the bulletproof flashboard in the direction perpendicular to the shooting direction are reduced, the dissipation of impact energy is facilitated, and the penetration depth of the bullet to the bulletproof flashboard is reduced. The silicon rubber can form an elastomer after room temperature vulcanization, has good shock absorption and energy absorption effects, can buffer the transmission of stress waves in the bullet impact process, prevent cracks from further expanding, ensure the anti-elastic capacity of the joint of adjacent ceramic columns in the bullet impact process, and simultaneously ensure that a plurality of ceramic columns are mutually constrained and respectively and independently exist. The blocky silicon rubber ceramic column structure is subjected to all-dimensional constraint by using the high-performance fibers, so that the tensile strength and the impact resistance of the blocky silicon rubber ceramic column structure can be enhanced, ceramic fragments are prevented from splashing, and the multi-bullet impact resistance of the inserting plate is improved. The two adjacent fiber cloths and the ceramic column structure coated by the silicon rubber are connected through the concave-convex groove structure, so that the bulletproof performance of the bulletproof panel is further improved on the premise of not increasing the weight of the bulletproof panel. The buffering energy absorption layer and the inner layer can play roles in absorbing impact energy of the projectile and inhibiting back protrusion.
Compared with the traditional bulletproof flashboard, the bionic bulletproof flashboard has the functions of changing the direction of the bullet, consuming the impact kinetic energy of the bullet, inhibiting crack propagation and preventing the ceramic block from breaking and splashing, improves the capability of the bulletproof flashboard for resisting the impact of multiple bullets, reduces the damage degree to the human body, and can realize the repair of the bulletproof flashboard, so that the bulletproof flashboard can be reused.
Drawings
Fig. 1 is a schematic exploded structural view of a multi-bullet resistant lightweight bionic bulletproof flashboard of the present invention;
fig. 2 is an exploded schematic view of a ceramic package unit of the multi-bullet resistant lightweight bionic bulletproof flashboard of the present invention;
fig. 3 is a schematic structural diagram of a packaging ceramic unit of the multi-bullet resistant lightweight bionic bulletproof flashboard;
fig. 4 is a schematic diagram of the matching of the grooves and the bumps of the adjacent packaging ceramic units of the multi-bullet resistant lightweight bionic bulletproof flashboard of the invention;
fig. 5 is a schematic structural diagram of the ceramic posts of the multi-bullet resistant lightweight bionic bulletproof flashboard.
[ description of reference ]
1: a bionic main bulletproof layer; 11: packaging the ceramic unit; 111: a rubber ceramic column structure; 112: wrapping cloth; 113: a bump; 114: a groove; 1111: a ceramic post; 1112: a rubber body; 2: a buffer energy absorbing layer; 3: an inner layer.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. In which the terms "upper", "lower", etc. are used herein with reference to the orientation of fig. 4.
For a better understanding of the above-described technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, the invention provides a light-weight bionic bulletproof flashboard capable of resisting multiple bullets, which comprises a bionic main bulletproof layer 1, a buffering energy absorption layer 2 and an inner layer 3, wherein the bionic main bulletproof layer 1 comprises a hard ceramic panel, the hard ceramic panel comprises a plurality of packaging ceramic units 11 which are closely arranged in a row-column manner, each packaging ceramic unit 11 comprises a blocky rubber ceramic column structure 111 and a wrapping cloth 112 wrapping the rubber ceramic column structure 111, and the rubber ceramic column structure 111 comprises a plurality of ceramic columns 1111 which are closely arranged in the row-column manner and a rubber body 1112 filled between the ceramic columns 1111; the buffering energy absorption layer 2 is overlapped between the bionic main bulletproof layer 1 and the inner layer 3.
In this embodiment, the bionic main bulletproof layer 1 is a hard ceramic panel formed by bonding a plurality of packaging ceramic units 11, and the structural design of the packaging ceramic panel formed by adopting the plurality of packaging ceramic units 11 is compared with that of a traditional whole-plate type ceramic bulletproof plugboard, so that the packaging ceramic units 11 forming the packaging ceramic panel are independent from each other, and the repair and reutilization of the bulletproof plugboard after the bulletproof plugboard is damaged are facilitated. According to the structure, the packaging ceramic unit 11 is of a 'brick-mud' structure with shells alternately overlapped, the ceramic columns 1111 can be restrained and enabled to be mutually independent by filling the rubber body 1112, the rubber body 1112 has a good buffering and energy-absorbing effect, stress wave transmission in the bullet impact process can be effectively buffered, further crack expansion is prevented, and the bullet-resistant capacity of the joint of the adjacent ceramic columns 1111 in the bullet impact process can be ensured. And adopt wrapping up cloth 112 parcel rubber ceramic post structure 111 can avoid broken ceramic post 1111 piece to splash under the condition that weight does not increase, effectually prevents the secondary damage. The bionic main bulletproof layer 1, the buffering energy absorption layer 2 and the inner layer 3 are arranged, a bulletproof flashboard is designed into a three-layer structure combining softness and hardness by referring to a multi-level gradient layered structure combining softness and hardness of human teeth, and the application of the multi-level gradient layered structure can effectively resist abrasion and penetration and improve the anti-striking capability and the protection capability of the bulletproof flashboard. Meanwhile, compared with the whole plate type ceramic panel, the bulletproof flashboard which is completely damaged by the projectile can be recycled. The repair of the bulletproof flashboard can be realized by removing the partially damaged packaging ceramic unit 11 and the residues thereof and then filling the new packaging ceramic unit 11 in situ. Moreover, because the ceramic columns 1111 of the bionic bulletproof layer 1 are independent of each other, when the bionic bulletproof layer is subjected to high-speed projectile penetration, only the ceramic columns 1111 penetrated by the projectile and a plurality of ceramic columns 1111 around the ceramic columns are broken, and other parts can still keep the original bulletproof performance.
As shown in fig. 3 and 4, a first side of each ceramic package unit 11 is provided with a bump 113 and a second side opposite to the first side is provided with a groove 114, and the bump 113 of any one ceramic package unit 11 in the same row can be mutually clamped with the groove 114 of the adjacent ceramic package unit 11. The adjacent packaging ceramic units 11 in the same row are connected through the grooves 114 and the bumps 113, so that the multi-elasticity resistance of the bulletproof flashboard can be improved on the premise of not increasing the weight of the bulletproof panel, and the light weight and high bulletproof performance of the bulletproof flashboard are ensured.
Referring again to fig. 1, in a preferred embodiment, any row of the packaging ceramic units 11 is bonded to another row of the adjacent packaging ceramic units 11 by an adhesive; any one of the encapsulated ceramic units 11 in any one row is offset from any one of the encapsulated ceramic units 11 in an adjacent row. The packaging ceramic units 11 in adjacent rows are bonded through the adhesive, when the packaging ceramic units 11 in the adjacent rows have a sliding tendency, the sliding between the rows is transmitted through the viscoelastic adhesive between the layers, and the viscoelastic adhesive can generate cohesive force opposite to the effect of bullet impact force when the sheet layers generate larger relative sliding, so that the silicon rubber ceramic block-shaped structure coated by the vertically overlapped fiber cloth is prevented from further sliding, and meanwhile, a part of impact energy is dissipated.
Referring to fig. 2, the wrapping cloth 112 is a high-performance fiber cloth, and the high-performance fiber cloth is bonded and wrapped outside the rubber ceramic column structure 111 through an adhesive. The high-performance fiber cloth is a woven cloth obtained by mixing ultrahigh molecular weight polyethylene fibers and basalt fibers. The application of the high-performance fiber cloth can further restrain the rubber ceramic column structure 111, and can block ceramic fragments which are broken by impact to a certain extent, so that secondary damage caused by splashing of the ceramic fragments is avoided. The high-performance fiber cloth is a composite material made of high-performance fibers, and the high-performance fibers have extremely high mechanical properties and are fiber materials which have high strength, high elastic modulus, high temperature resistance, low density and easy processing. The high-performance fiber cloth made of the high-performance fibers can enhance the tensile strength and the shock resistance of the packaging ceramic unit 11, can further prevent ceramic fragments from splashing in the impact process, and further improves the multi-bullet impact resistance of the plugboard. The length of the silicon rubber ceramic block-shaped structural unit coated by the ultra-high molecular weight polyethylene fiber can be 25-35 mm, the width can be 15-25 mm, the height can be 5-15 mm, and more preferably, the length is 30mm, the width is 20mm, and the height is 10 mm.
As shown in fig. 4 and 5, in a more preferred embodiment, the ceramic posts 1111 are cylindrical, two ends of each ceramic post 1111 are respectively provided with an arc protrusion, the arc protrusions can change the shooting angle of the bullet, meanwhile, the axial direction of each ceramic post 1111 is perpendicular to the energy absorption buffer layer 2, the diameter of the post body of each ceramic post 1111 can be 8-12 mm, preferably 10mm, the height of the post body can be 5-9 mm, preferably 7mm, and the heights of the arc protrusions at two sides are all about 1.5 mm. The ceramic posts 1111 are designed into arc-shaped bulges at two ends, so that the angle of a bullet shooting into the bulletproof flashboard can be changed, the sailing distance is increased, the impact force of the bullet invading the bulletproof flashboard in the vertical shooting direction is reduced, the bionic main bulletproof layer 1 of the flashboard is more favorable for reducing the impact force and speed when the bullet collides with the bulletproof flashboard, the dissipation of impact energy is convenient, and the penetration depth of the bullet to the bulletproof flashboard is reduced.
In addition, the rubber body 1112 is room temperature vulcanized silicone rubber wrapping the ceramic posts 1111; the room temperature vulcanized silicone rubber has good fluidity, can be cured at a temperature of between 5 and 30 ℃, is convenient for large-scale production and manufacture, can play a role in moisture-proof and corrosion-proof protection, has good shock absorption and energy absorption effects, can buffer the stress wave transmission in the bullet impact process, prevent cracks from further expanding, can ensure the bullet resistance of the joint between adjacent ceramic columns 1111 in the bullet impact process, simultaneously enables a plurality of ceramic columns 1111 to be mutually constrained and independently exist, and improves the performance of the bulletproof flashboard for resisting multiple bullets.
Since ceramic is a brittle material, its failure mode is fracture rather than plastic deformation. When the bullet impacts the bulletproof flashboard at high speed, a broken cone is formed on the impact surface, cracks can be expanded in the cone, if the bullet is not restrained, because the propagation speed of stress waves and the crack expansion speed are far higher than the penetration speed of the bullet, when the bullet does not penetrate the bulletproof flashboard, ceramics are broken completely and are scattered in a splashing mode, a further blocking effect on the bullet cannot be achieved, and the bulletproof capability of the bulletproof flashboard is reduced. When the bulletproof flashboard is impacted by a bullet at a high speed, cracks of the ceramic columns 1111 cannot be further expanded under the action of the rubber body 1112 and the wrapping cloth 112, the ceramic columns 1111 cannot be completely broken and splashed, and when the bullet further invades the bulletproof flashboard, no gap gives way to the bullet, so that the bullet needs to consume more energy to continuously crush the ceramic in front until the front-end ceramic is completely crushed into powder by the bullet, and at the moment, the bullet cannot further advance after extruding the ceramic powder in the reverse direction of penetration. In the process, the impact energy of the bullet is dissipated, and the multi-bullet resistance of the bulletproof flashboard is improved.
Further, the ceramic posts 1111 are made of at least one of silicon carbide, boron carbide, aluminum oxide, aluminum nitride and titanium boride. The ceramic column 1111 made of the materials maintains high hardness, greatly enhances the toughness of the ceramic column 1111, effectively inhibits crack propagation when impacted, relieves the impact, and improves the bullet resistance.
In a preferred embodiment, the energy absorbing buffer layer 2 and the inner layer 3 are high performance fiber laminates, and the materials of the high performance fiber laminates can be all ultra-high molecular weight polyethylene fibers. Or the high-performance fiber laminated board can be a laminated board formed by mixing ultrahigh molecular weight polyethylene fibers and auxiliary material fibers, wherein the auxiliary material fibers are at least one of carbon fibers, PBO fibers, aramid fibers and basalt fibers, and the mass proportion of the ultrahigh molecular weight polyethylene fibers in the high-performance fiber laminated board is greater than or equal to 60%. The ultra-high molecular weight polyethylene fiber has the characteristics of good flexibility and light weight, and the basalt fiber not only has high strength, but also has excellent performances of electrical insulation, corrosion resistance, high temperature resistance and the like. The rubber ceramic column structure 111 is subjected to all-dimensional constraint by using the fiber cloth mixed with the ultra-high molecular weight polyethylene and the basalt fiber, so that the tensile strength and the impact resistance of the rubber ceramic column structure can be enhanced, ceramic fragments can be further prevented from splashing in the impact process, and the multi-bullet impact resistance of the plugboard is further improved.
In order to further improve the multi-bullet resistance of the bulletproof flashboard, the bionic main bulletproof layer 1 is bonded on the buffering energy absorption layer 2 through an adhesive, and the buffering energy absorption layer 2 is bonded on the inner layer 3 through the adhesive. The adhesive is an epoxy-phenolic aldehyde structure adhesive. The energy absorbing buffer layer 2 and the inner layer 3 can absorb the impact energy of the projectile and inhibit the back bulge, and the inner layer 3 is also used for supporting the main bulletproof layer and the energy absorbing buffer layer 2. The adhesive with viscoelasticity can bond the bionic main bulletproof layer 1, the buffering energy absorption layer 2 and the inner layer 3 together, and can also play a role in buffering and energy absorption between layers. The epoxy-phenolic adhesive is a mixture of thermosetting phenolic resin and epoxy resin, has high shear strength and tensile strength in a wide temperature range, and can further improve the multi-bullet resistance of the bulletproof flashboard. And/or the bionic main bulletproof layer 1 further comprises a polyurethane sealing strip for edge-covering and sealing the periphery of the hard ceramic panel. Adopt the polyurethane sealing strip to bordure around the stereoplasm ceramic panel and seal, can play sealed waterproof grease proofing effect, can also the shock attenuation to a certain extent.
In addition, the invention also provides a manufacturing method of the lightweight bionic bulletproof flashboard capable of resisting multiple bullets, which is used for manufacturing the lightweight bionic bulletproof flashboard in each embodiment, and the manufacturing method comprises the following steps:
arranging a plurality of cylindrical ceramic posts 1111 in a rectangular array in a rectangular mould coated with completely dried paraffin, pouring room temperature vulcanized silicone rubber into the rectangular mould, and curing at room temperature for 6-8 hours to form a blocky rubber ceramic post structure 111;
arranging a bump 113 on a first side of the rubber ceramic column structure 111 and a groove 114 on a second side opposite to the first side;
cutting high-performance fiber cloth according to the shape of the rubber ceramic column structure 111, and bonding and coating one or more layers of high-performance fiber cloth outside the rubber ceramic column structure 111 by adopting an adhesive to form a packaging ceramic unit 11;
paving and bonding a plurality of packaging ceramic units 11 on the buffering energy absorption layer 2 by using an adhesive, and enabling the convex block 113 of any packaging ceramic unit 11 in the same row to be mutually clamped with the groove 114 of the adjacent packaging ceramic unit 11, wherein any packaging ceramic unit 11 in any row is mutually staggered with any packaging ceramic unit 11 in the adjacent row; a plurality of packaged ceramic units 11 which are closely arranged in a row-by-row manner form a hard ceramic panel;
adopting a polyurethane sealing strip to carry out edge-covering sealing on the periphery of the hard ceramic panel to form a bionic main bulletproof layer 1;
the inner layer 3 is superposed on one surface of the buffering energy absorption layer 2 opposite to the bionic main bulletproof layer 1, and the bionic main bulletproof layer 1, the buffering energy absorption layer 2 and the inner layer 3 are pressed by a hot-pressing tank forming method to form the lightweight bionic bulletproof flashboard. The bionic main bulletproof layer 1, the buffering energy absorption layer 2 and the inner layer 3 are all arc-shaped, the fitting property to a human body is fully considered, the area of a shock wave impact body is increased as much as possible, and the impact force of the projectile on the plugboard is dispersed. The bionic bulletproof flashboard can be 200-250 mm multiplied by 250-300 mm, and is preferably 250mm multiplied by 300 mm. The thickness of the bionic main bulletproof layer 1 can be 10-12 mm, preferably 10mm, the thickness of the buffering energy absorption layer 2 can be 5-7mm, the thickness of the inner layer 3 can be 6-8mm, and the thickness of both the buffering energy absorption layer 2 and the inner layer 3 is preferably 7 mm.
In this manufacturing method, the rectangular mold is a stainless steel mold. And coating a layer of paraffin on the surface and the edge of a clean stainless steel rectangular mould, and airing until the surface and the edge are completely dried. The cylindrical ceramic posts 1111 are tightly arranged in a stainless steel mold, room temperature vulcanized silicone rubber is poured into the stainless steel mold, the ceramic posts 1111 and gaps thereof are infiltrated by the silicone rubber with good flowing property, and the curing is carried out at normal temperature. The rectangular die made of stainless steel aims to utilize the extremely strong corrosion resistance of the rectangular die so that the rectangular die can be repeatedly used. The room temperature vulcanized silicone rubber enables the ceramic posts 1111 to be mutually constrained and independently exist, and can absorb impact force when being impacted, so that the multi-elasticity resistance of the bulletproof flashboard is improved. In the manufacturing method, the bionic main bulletproof layer 1, the buffering energy absorption layer 2 and the inner layer 3 are bonded together by epoxy-phenolic resin adhesive, and the adhesive with viscoelasticity plays a role in buffering and absorbing energy among the layers. The inner layer 3 plays a role in supporting the bionic main bulletproof layer 1 and the buffering energy absorption layer 2, buffering and absorbing impact energy of the projectile and inhibiting back protrusion. And the manufacturing method is simple and convenient, and is convenient for large-scale production and manufacturing.
Compared with the whole plate type ceramic panel, the bulletproof flashboard manufactured by the manufacturing method can also be repaired when being completely damaged by bullets, and can be recycled.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a bionical shellproof picture peg of lightweight of anti multibomb which characterized in that, the bionical shellproof picture peg of lightweight of anti multibomb includes:
the bionic main bulletproof layer comprises a hard ceramic panel, the hard ceramic panel comprises a plurality of packaging ceramic units which are closely arranged in a row and column manner, each packaging ceramic unit comprises a blocky rubber ceramic column structure and wrapping cloth wrapping the rubber ceramic column structure, and each rubber ceramic column structure comprises a plurality of ceramic columns which are closely arranged in the row and column manner and a rubber body filled between the ceramic columns;
a buffer energy absorbing layer; and
the buffering energy absorption layer is stacked between the bionic main bulletproof layer and the inner layer.
2. The multi-projectile resistant lightweight biomimetic ballistic insert according to claim 1, wherein a first side of each of said encapsulated ceramic units is provided with a protrusion and a second side opposite to the first side is provided with a recess, wherein said protrusion of any one of said encapsulated ceramic units in a same row can be snapped into engagement with a recess of an adjacent said encapsulated ceramic unit.
3. The multi-projectile resistant lightweight biomimetic ballistic interposer as recited in claim 2, wherein any row of said encapsulated ceramic units is bonded to another row of adjacent said encapsulated ceramic units by an adhesive;
any one of the encapsulated ceramic units in any row is staggered with any one of the encapsulated ceramic units in an adjacent row.
4. The multi-bullet-resistant lightweight bionic bulletproof flashboard according to claim 1, wherein the wrapping cloth is high-performance fiber cloth, and the high-performance fiber cloth is bonded and wrapped outside the rubber ceramic column structure through an adhesive.
5. The multi-projectile resistant lightweight biomimetic ballistic insert plate according to claim 4, wherein the high performance fiber cloth is a woven fabric obtained by mixing ultra-high molecular weight polyethylene fibers and basalt fibers.
6. The multi-projectile resistant lightweight biomimetic ballistic panel according to any of claims 1-5, wherein the lightweight biomimetic ballistic panel comprises at least one of the following three solutions:
firstly, the ceramic column is cylindrical, two ends of the ceramic column are provided with cambered surface protrusions, and the cambered surface protrusions can change the shooting angle of a bullet;
secondly, the rubber body is room temperature vulcanized silicone rubber wrapping the ceramic column;
thirdly, the ceramic column is made of at least one of silicon carbide, boron carbide, alumina, aluminum nitride and titanium boride.
7. A multi-projectile resistant lightweight biomimetic ballistic insert according to any of claims 1-5, wherein said buffer energy absorbing layer and said inner layer are high performance fibrous laminates.
8. The multi-projectile resistant lightweight biomimetic ballistic insert plate of claim 7, wherein the material of the high performance fiber laminate is ultra high molecular weight polyethylene fiber;
or the high-performance fiber laminated board is a laminated board formed by mixing ultrahigh molecular weight polyethylene fibers and auxiliary material fibers, the auxiliary material fibers are at least one of carbon fibers, PBO fibers, aramid fibers and basalt fibers, and the mass proportion of the ultrahigh molecular weight polyethylene fibers in the high-performance fiber laminated board is greater than or equal to 60%.
9. The multi-bullet resistant lightweight bionic bulletproof flashboard according to any one of claims 1 to 5, wherein the bionic main bulletproof layer is bonded to the energy absorbing buffering layer through an adhesive, and the energy absorbing buffering layer is bonded to the inner layer through an adhesive;
and/or the bionic main bulletproof layer further comprises a polyurethane sealing strip for edge sealing of the periphery of the hard ceramic panel.
10. A manufacturing method of a lightweight bionic multi-bullet-resistant bulletproof flashboard is characterized by comprising the following steps:
arranging a plurality of cylindrical ceramic column rectangular arrays in a rectangular mould coated with completely dried paraffin, pouring room temperature vulcanized silicone rubber into the rectangular mould, and curing at room temperature for 6-8 hours to form a blocky rubber ceramic column structure;
arranging a lug on a first side of the rubber ceramic column structure and arranging a groove on a second side opposite to the first side;
cutting high-performance fiber cloth according to the shape of the rubber ceramic column structure, and bonding and coating one or more layers of the high-performance fiber cloth on the outer surface of the rubber ceramic column structure by adopting an adhesive to form a packaging ceramic unit;
paving and bonding a plurality of packaging ceramic units on a buffering energy absorption layer by using an adhesive, wherein the bumps of any one packaging ceramic unit in the same row can be mutually clamped with the grooves of the adjacent packaging ceramic units, and any one packaging ceramic unit in any row is mutually staggered with any one packaging ceramic unit in the adjacent row; a plurality of the packaging ceramic units which are closely arranged in a row-by-row manner form a hard ceramic panel;
adopting a polyurethane sealing strip to carry out edge-covering sealing on the periphery of the hard ceramic panel to form a bionic main bulletproof layer;
and an inner layer is superposed on one surface of the buffer energy absorption layer opposite to the bionic main bulletproof layer, and the bionic main bulletproof layer, the buffer energy absorption layer and the inner layer are pressed by a hot-pressing tank forming method to form the lightweight bionic bulletproof plugboard.
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| CN202111296536.9A CN114087924A (en) | 2021-11-03 | 2021-11-03 | Multi-bullet-resistant lightweight bionic bulletproof plugboard and manufacturing method thereof |
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| CN202111296536.9A CN114087924A (en) | 2021-11-03 | 2021-11-03 | Multi-bullet-resistant lightweight bionic bulletproof plugboard and manufacturing method thereof |
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