CN115752097A - Boron carbide bulletproof flashboard and preparation method thereof - Google Patents
Boron carbide bulletproof flashboard and preparation method thereof Download PDFInfo
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- CN115752097A CN115752097A CN202211519489.4A CN202211519489A CN115752097A CN 115752097 A CN115752097 A CN 115752097A CN 202211519489 A CN202211519489 A CN 202211519489A CN 115752097 A CN115752097 A CN 115752097A
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Abstract
The invention discloses a boron carbide bulletproof flashboard and a preparation method thereof, wherein the boron carbide bulletproof flashboard comprises a bulletproof flashboard, a mounting plate is arranged above the bulletproof flashboard, a handle is arranged above the mounting plate, a fixed structure is arranged on the right side of the bulletproof flashboard, a bulletproof ceramic plate layer is arranged on the left side of the bulletproof flashboard, a baffle is arranged on the left side of the bulletproof ceramic plate layer, a ceramic fiber plate layer is arranged below the baffle, a first titanium alloy plate layer is arranged on the left side of the ceramic fiber plate layer, an ultrahigh molecular weight polyethylene fiber layer is arranged on the left side of the first titanium alloy plate layer, and a carbon fiber plate layer is arranged on the left side of the ultrahigh molecular weight polyethylene fiber layer. When the bullet-proof inserting plate is installed in the bullet-proof vest, the pull rod is stretched by the pull rod spring, and after the bullet-proof inserting plate is pulled to a specified position, the pull rod is rotated to enable the limiting block to be separated from the sliding groove through the limiting groove and to be in contact with the stop block, so that the pull rod is prevented from being pulled back into the fixing bin, the pull rod is connected through the connecting line, and the bullet-proof inserting plate is fixed in the bullet-proof vest.
Description
Technical Field
The invention relates to the technical field of bulletproof flashboards, in particular to a boron carbide bulletproof flashboard and a preparation method thereof.
Background
Bulletproof inserts are commonly used with body armor or tactical vests, and ceramic bulletproof inserts are widely used at present.
The invention discloses a boron carbide bulletproof ceramic-based plugboard, which comprises a boron carbide ceramic plugboard body and also comprises: the equipment plate is fixedly connected to the inner side of the boron carbide ceramic inserting plate body; the limiting handle and the handle are rotatably arranged on one side of the equipment board far away from the boron carbide ceramic inserting board body; a slide plate slidably connected in the equipment plate; the knife is fixedly connected to the lower end of the sliding plate; wherein the knife is slidably connected with the mounting plate; a bulb fixedly installed in the equipment board; in the invention, the knife slides out of the equipment plate, so that the device can have certain attacking force when being used as a shield, thereby having more advantages when fighting, and in addition, the bulb for illumination further enriches the functionality of the device.
In summary, the following technical problems are known in the prior art: the existing bulletproof flashboards are all bulletproof by using bulletproof steel plates, the bulletproof flashboards and the vibration generated by the steel plates cannot be effectively buffered and offset when being shot by bullets, the impact on human bodies is large, and the bulletproof flashboards are arranged on bulletproof clothes for a long time and are easy to move, so that the bulletproof flashboards are influenced by using the bulletproof clothes.
Disclosure of Invention
The invention aims to provide a boron carbide bulletproof flashboard to solve the problems in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a shellproof picture peg of boron carbide, includes shellproof picture peg, the top of shellproof picture peg is provided with the mounting panel, the top of mounting panel is provided with the handle, the right side of shellproof picture peg is provided with fixed knot and constructs, the left side of shellproof picture peg is provided with shellproof ceramic board layer, shellproof ceramic board layer's left side is provided with the baffle, the below of baffle is provided with ceramic fiber board layer, ceramic fiber board layer's left side is provided with first titanium alloy sheet layer, the left side of first titanium alloy sheet layer is provided with ultra high molecular weight polyethylene fiber layer, ultra high molecular weight polyethylene fiber layer's left side is provided with carbon fiber sheet layer, carbon fiber sheet layer's left side is provided with polyethylene fiber yarn weaving layer, polyethylene fiber yarn weaving layer's left side is provided with the non-woven fabrics weaving layer, the left side of non-woven fabrics weaving layer is provided with the glass fiber yarn weaving layer, the left side of glass fiber yarn weaving layer is provided with second titanium alloy sheet layer, the left side of second titanium alloy sheet layer is provided with shellproof layer.
Preferably, the fixed knot constructs including the installation storehouse, the inside in installation storehouse is provided with fixed storehouse, and the inside in fixed storehouse is provided with the spring, the rear end of spring is provided with the spout, the left side of spring is provided with the pull rod, and the outer end of pull rod is provided with the restriction piece, the left side of restriction piece is provided with the dog, and the left side of dog is provided with the restriction groove, the left side of pull rod is provided with the connecting wire.
Preferably, the pull rod is connected with the sliding groove in a sliding mode through a limiting block.
Preferably, the fixed bin is provided with a plurality of fixed bins, and the fixed bins are symmetrical about the horizontal center line of the installation bin.
Preferably, the mounting plate is slidably connected with the bulletproof flashboard.
Preferably, the baffle is provided with a plurality of baffles, and the baffles are uniformly distributed in the bulletproof flashboard.
Preferably, the handle is connected with the bulletproof flashboard in a sewing mode.
A preparation method of a boron carbide bulletproof flashboard comprises the following steps:
s1, coating a cement on the surface of the bulletproof ceramic plate layer, attaching the bulletproof ceramic plate layer to a first titanium alloy plate layer, coating glue on the other side of the first titanium alloy plate layer, and adhering and fixing the bulletproof ceramic plate layer and the ultrahigh molecular weight polyethylene fiber layer;
s2, bonding and fixing the other side face of the ultra-high molecular weight polyethylene fiber layer and the carbon fiber plate layer, and stacking, bonding and fixing the carbon fiber plate layer, a polyethylene fiber yarn woven layer woven by polyethylene fiber yarns, a non-woven fabric woven layer stacked and bonded by non-woven fabrics, and a glass fiber yarn woven layer woven and formed in a warp and weft direction by glass yarn bundles;
s3, bonding and fixing the second titanium alloy plate layer and the bulletproof steel plate layer with the other side of the glass fiber wire woven layer in the step S2, and placing the glass fiber wire woven layer and the bulletproof steel plate layer in a pressing machine for pressing and shaping to prepare a boron carbide bulletproof flashboard primary blank;
and S4, preparing the boron carbide bulletproof flashboard initial blank into different shapes through a cutting machine and a grinding machine, heating the boron carbide bulletproof flashboard initial blank by adopting a vacuum furnace, and bending the boron carbide bulletproof flashboard initial blank to a shape conforming to a human body to prepare the boron carbide bulletproof flashboard.
Preferably, the method for preparing the bulletproof ceramic plate layer of step S1 includes the following steps:
s11, uniformly mixing ceramic powder, boron carbide powder and a forming agent by using a ball mill, performing spray drying granulation, and performing compression forming in a die to prepare a plate-shaped ceramic pressed blank;
s12, uniformly mixing silicon carbide powder and boron carbide powder, and pressing and forming in a die to obtain a compact of the sintered infiltrant;
and S13, stacking the ceramic pressed compact and the sintered infiltrant pressed compact together, heating in a vacuum furnace, sintering and preserving heat for 1-3 hours to obtain a reaction sintered ceramic product, and removing infiltrant residues on the surface of the sintered ceramic to obtain the bulletproof ceramic plate layer.
Preferably, the method for preparing the ultra-high molecular weight polyethylene fiber layer in the step S2 includes the steps of:
s21, preparing the ultra-high molecular weight polyethylene spinning solution into gelatinized pre-oriented yarns;
s22, carrying out balanced standing treatment on the gelatinized pre-oriented yarns;
s23, sequentially carrying out pre-drafting, extraction, drying and forward drafting on the gelatinized pre-oriented strand silk subjected to the balanced standing treatment, coating an antistatic oil solution while carrying out forward drafting, and coating the antistatic oil solution by using an oiling roller to obtain the ultra-high molecular weight polyethylene fiber.
The above description shows that, with the above technical solutions of the present application, the technical problems to be solved by the present application can be solved.
Meanwhile, through the technical scheme, the invention at least has the following beneficial effects:
the bulletproof flashboard is provided with a fixed structure, when the bulletproof flashboard is installed in the bulletproof vest, the pull rod is stretched by the pull rod tension spring, after the bulletproof flashboard is pulled to a specified position, the pull rod is rotated to enable the limiting block to be separated from the sliding groove through the limiting groove and to be contacted with the stop block, the pull rod is prevented from being pulled back into the fixed cabin, the pull rod is connected through the connecting wire, and the bulletproof flashboard is fixed in the bulletproof vest.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the fixing structure of the present invention.
In the figure: 1. a bulletproof flashboard; 2. mounting a plate; 3. a handle; 4. a fixed structure; 401. installing a bin; 402. fixing the bin; 403. a spring; 404. a chute; 405. a pull rod; 406. a limiting block; 407. a stopper; 408. a limiting groove; 409. a connecting wire; 5. a ballistic ceramic panel layer; 6. a baffle plate; 7. a ceramic fiberboard layer; 8. a first titanium alloy sheet layer; 9. an ultra-high molecular weight polyethylene fiber layer; 10. a carbon fiber sheet layer; 11. a polyethylene fiber braid layer; 12. a non-woven fabric layer; 13. a glass fiber woven layer; 14. a second titanium alloy sheet layer; 15. and a bulletproof steel plate layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a boron carbide bulletproof flashboard, be provided with mounting panel 2 including the top of bulletproof flashboard 1, the top of mounting panel 2 is provided with handle 3, the right side of bulletproof flashboard 1 is provided with fixed knot structure 4, the left side of bulletproof flashboard 1 is provided with shellproof ceramic sheet layer 5, the left side of shellproof ceramic sheet layer 5 is provided with baffle 6, the below of baffle 6 is provided with ceramic fiber sheet layer 7, the left side of ceramic fiber sheet layer 7 is provided with first titanium alloy sheet layer 8, the left side of first titanium alloy sheet layer 8 is provided with ultrahigh molecular weight polyethylene fiber layer 9, the left side of ultrahigh molecular weight polyethylene fiber layer 9 is provided with carbon fiber sheet layer 10, the left side of carbon fiber sheet layer 10 is provided with polyethylene fiber braided layer 11, the left side of polyethylene fiber braided layer 11 is provided with non-woven fabrics 12, the left side of non-woven fabrics braided layers 12 is provided with glass fiber braided layers 13, the left side of glass fiber layer 13 is provided with second titanium alloy sheet layer 14, the left side of second titanium alloy sheet layer 14 is provided with shellproof steel layer 15, mounting panel 2 and bulletproof flashboard 1 sliding connection, baffle 6 is provided with a plurality of, and baffle 6 evenly distributed in flashboard 1, and suture connection.
Example two
The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:
as shown in fig. 4, as a preferred embodiment, in addition to the above-described embodiment, the fixed structure 4 further includes an installation cabin 401, a fixed cabin 402 is provided inside the installation cabin 401, a spring 403 is provided inside the fixed cabin 402, a sliding groove 404 is provided at a rear end of the spring 403, a pull rod 405 is provided at a left side of the spring 403, a limiting block 406 is provided at an outer end of the pull rod 405, a stopper 407 is provided at a left side of the limiting block 406, a limiting groove 408 is provided at a left side of the stopper 407, a connecting wire 409 is provided at a left side of the pull rod 405, the pull rod 405 is slidably connected to the sliding groove 404 through the limiting block 406, the fixed cabin 402 is provided in plural numbers, the fixed cabin 402 is symmetrical with respect to a horizontal center line of the installation cabin 401, when the insert 1 is installed in the body armor, the spring 403 is stretched through the pull rod 405, after being pulled to a predetermined position, the pull rod 405 is rotated to separate the limiting block 406 from the sliding groove 408 to be in contact with the stopper 407, the pull rod 405 is prevented from being pulled back into the fixed cabin 402, and the insert 1 is connected to the body armor through the connecting wire 409.
As shown in fig. 3, a method for preparing a boron carbide bulletproof flashboard comprises the following steps:
s1, coating a cement on the surface of a bulletproof ceramic plate layer 5, attaching the bulletproof ceramic plate layer to a first titanium alloy plate layer 8, coating glue on the other side surface of the first titanium alloy plate layer 8, and adhering and fixing the bulletproof ceramic plate layer to an ultrahigh molecular weight polyethylene fiber layer 9;
s2, bonding and fixing the other side surface of the ultra-high molecular weight polyethylene fiber layer 9 and the carbon fiber plate layer 10, and stacking, bonding and fixing the carbon fiber plate layer 10, a polyethylene fiber yarn woven layer 11 woven and formed by polyethylene fiber yarns, a non-woven fabric woven layer 12 stacked and bonded and formed by non-woven fabrics, and a glass fiber yarn woven layer 13 woven and formed by glass fiber yarn bundles in a warp and weft direction;
s3, adhering and fixing the second titanium alloy plate layer 14 and the bulletproof steel plate layer 15 with the other side of the glass fiber yarn woven layer 13 in the step S2, and placing the glass fiber yarn woven layer and the glass fiber yarn woven layer into a pressing machine for pressing and shaping to prepare a boron carbide bulletproof flashboard primary blank;
and S4, preparing the boron carbide bulletproof flashboard initial blank into different shapes through a cutting machine and a grinding machine, heating the blank by adopting a vacuum furnace, and bending the blank to a shape which is in accordance with the shape of a human body to prepare the boron carbide bulletproof flashboard.
As shown in fig. 3, the method for preparing the bulletproof ceramic sheet layer of step S1 includes the following steps:
s11, uniformly mixing ceramic powder, boron carbide powder and a forming agent by using a ball mill, performing spray drying granulation, and performing compression forming in a die to prepare a plate-shaped ceramic pressed blank;
s12, uniformly mixing the silicon carbide powder and the boron carbide powder, and pressing and forming in a die to obtain a pressed compact of the sintered infiltrant;
and S13, stacking the ceramic pressed compact and the sintered infiltrant pressed compact together, heating in a vacuum furnace, sintering and preserving heat for 1-3 hours to obtain a reaction sintered ceramic product, and removing infiltrant residues on the surface of the sintered ceramic to obtain the bulletproof ceramic plate layer.
As shown in fig. 3, the method for preparing the ultra-high molecular weight polyethylene fiber layer in step S2 includes the steps of:
s21, preparing the ultrahigh molecular weight polyethylene spinning solution into gelatinized pre-oriented yarns;
s22, carrying out balanced standing treatment on the gelatinized pre-oriented yarns;
s23, sequentially carrying out pre-drafting, extraction, drying and forward drafting on the gelatinized pre-oriented strand silk subjected to the balanced standing treatment, coating an antistatic oil solution while carrying out forward drafting, and coating the antistatic oil solution by using an oiling roller to obtain the ultra-high molecular weight polyethylene fiber.
In summary, the following can be found:
the invention aims at the technical problems that: the existing bulletproof flashboards are all bulletproof by using bulletproof steel plates, cannot effectively buffer and offset the vibration generated by the steel plates when being shot by bullets, have large impact on human bodies, are easy to move after being installed on a bulletproof flashboard for a long time, and influence on using the bulletproof clothes; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
firstly, a bulletproof ceramic plate layer 5, a first titanium alloy plate layer 8, an ultrahigh molecular weight polyethylene fiber layer 9, a carbon fiber plate layer 10, a polyethylene fiber braid layer 11, a non-woven fabric braid layer 12, a glass fiber braid layer 13, a second titanium alloy plate layer 14 and a bulletproof steel plate layer 15 are arranged in a bulletproof flashboard 1, a baffle 6 and a ceramic fiber plate layer 7 are arranged between each two layers, vibration generated during bullet impact can be counteracted to prevent injury to a wearer, and a mounting plate 2 is connected to the top of the bulletproof flashboard 1 in a sliding mode, so that the bulletproof flashboard 1 can be fixed conveniently;
then, when the bulletproof flashboard 1 is installed in bulletproof clothes, the spring 403 is stretched through the pull rod 405, after the bulletproof flashboard is pulled to a specified position, the pull rod 405 is rotated to enable the limiting block 406 to be separated from the sliding groove 404 through the limiting groove 408 and to be in contact with the stop block 407, the pull rod 405 is prevented from being pulled back into the fixed bin 402 under the action of the spring 403, a plurality of fixed bins 402 are arranged in the installation bin 401, the pull rod 405 is connected through the connecting wire 409, and the bulletproof flashboard 1 is fixed in the bulletproof clothes;
finally, the bulletproof insert 1 may be taken out of the body armor by means of the handle 3.
Through the setting, above-mentioned technical problem can certainly be solved in this application, simultaneously, realize following technological effect:
the bulletproof flashboard 1 is provided with a fixed structure 4, when the bulletproof flashboard 1 is installed in bulletproof clothes, a spring 403 is stretched through a pull rod 405, after the bulletproof flashboard is pulled to a specified position, the pull rod 405 is rotated to enable a limiting block 406 to be separated from a sliding groove 404 through a limiting groove 408 and to be in contact with a stop block 407, the pull rod 405 is prevented from being pulled back into a fixed cabin 402, the pull rod 405 is connected through a connecting wire 409, and the bulletproof flashboard 1 is fixed in the bulletproof clothes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A boron carbide bulletproof flashboard is characterized by comprising a bulletproof flashboard (1), a mounting plate (2) is arranged above the bulletproof flashboard (1), a handle (3) is arranged above the mounting plate (2), the right side of the bulletproof flashboard (1) is provided with a fixed structure (4), a bulletproof ceramic plate layer (5) is arranged on the left side of the bulletproof flashboard (1), a baffle (6) is arranged at the left side of the bulletproof ceramic plate layer (5), a ceramic fiber board layer (7) is arranged below the baffle (6), a first titanium alloy plate layer (8) is arranged on the left side of the ceramic fiber plate layer (7), an ultra-high molecular weight polyethylene fiber layer (9) is arranged on the left side of the first titanium alloy plate layer (8), a carbon fiber plate layer (10) is arranged on the left side of the ultra-high molecular weight polyethylene fiber layer (9), a polyethylene fiber braided layer (11) is arranged on the left side of the carbon fiber plate layer (10), the left side of the polyethylene fiber braided layer (11) is provided with a non-woven fabric braided layer (12), a glass fiber woven layer (13) is arranged on the left side of the non-woven layer (12), a second titanium alloy plate layer (14) is arranged on the left side of the glass fiber braided layer (13), and a bulletproof steel plate layer (15) is arranged on the left side of the second titanium alloy plate layer (14).
2. The boron carbide bulletproof flashboard according to claim 1, wherein the fixing structure (4) comprises a mounting bin (401), a fixing bin (402) is arranged inside the mounting bin (401), a spring (403) is arranged inside the fixing bin (402), a sliding groove (404) is formed in the rear end of the spring (403), a pull rod (405) is arranged on the left side of the spring (403), a limiting block (406) is arranged at the outer end of the pull rod (405), a stop block (407) is arranged on the left side of the limiting block (406), a limiting groove (408) is arranged on the left side of the stop block (407), and a connecting wire (409) is arranged on the left side of the pull rod (405).
3. A boron carbide ballistic protection panel according to claim 2, characterized in that the tie rods (405) are slidably connected to the runners (404) by means of restraining blocks (406).
4. A boron carbide bulletproof flashboard according to claim 2, characterized in that a plurality of fixed bins (402) are provided, and the fixed bins (402) are symmetrical about the horizontal center line of the installation bin (401).
5. A boron carbide ballistic protection panel according to claim 1, characterized in that the mounting plate (2) is slidably connected to the ballistic protection panel (1).
6. A boron carbide ballistic protection insert plate according to claim 1, characterized in that several baffles (6) are provided, and the baffles (6) are evenly distributed in the ballistic protection insert plate (1).
7. A boron carbide ballistic protection panel according to claim 1, characterized in that the handles (3) are attached to the ballistic protection panel (1) by stitching.
8. A method of manufacturing a boron carbide ballistic panel according to any one of claims 1 to 7, comprising the steps of:
s1, coating a cement on the surface of a bulletproof ceramic plate layer (5), attaching the bulletproof ceramic plate layer to a first titanium alloy plate layer (8), coating glue on the other side of the first titanium alloy plate layer (8), and adhering and fixing the bulletproof ceramic plate layer and the first titanium alloy plate layer to an ultrahigh molecular weight polyethylene fiber layer (9);
s2, bonding and fixing the other side face of the ultra-high molecular weight polyethylene fiber layer (9) and the carbon fiber plate layer (10), and stacking, bonding and fixing the carbon fiber plate layer (10), a polyethylene fiber yarn woven layer (11) woven and formed by polyethylene fibers, a non-woven fabric woven layer (12) woven and formed by non-woven fabrics in a stacking and bonding mode, and a glass fiber yarn woven layer (13) woven and formed by glass strand yarn bundles in a warp and weft direction;
s3, bonding and fixing the second titanium alloy plate layer (14) and the bulletproof steel plate layer (15) with the other side of the glass fiber yarn woven layer (13) in the step S2, and placing the glass fiber yarn woven layer and the glass fiber yarn woven layer into a pressing machine for pressing and shaping to prepare a boron carbide bulletproof flashboard primary blank;
and S4, preparing the boron carbide bulletproof flashboard initial blank into different shapes through a cutting machine and a grinding machine, heating the blank by adopting a vacuum furnace, and bending the blank to a shape which is in accordance with the shape of a human body to prepare the boron carbide bulletproof flashboard.
9. The method for preparing a boron carbide bulletproof insert plate according to claim 8, wherein the method for preparing the bulletproof ceramic plate layer in the step S1 comprises the following steps:
s11, uniformly mixing ceramic powder, boron carbide powder and a forming agent by using a ball mill, performing spray drying granulation, and performing compression forming in a die to prepare a plate-shaped ceramic pressed blank;
s12, uniformly mixing silicon carbide powder and boron carbide powder, and pressing and forming in a die to obtain a compact of the sintered infiltrant;
and S13, stacking the ceramic pressed compact and the sintered infiltrant pressed compact together, heating in a vacuum furnace, sintering and preserving heat for 1-3 hours to obtain a reaction sintered ceramic product, and removing infiltrant residues on the surface of the sintered ceramic to obtain the bulletproof ceramic plate layer.
10. The method for preparing a boron carbide bulletproof insert plate according to claim 8, wherein the method for preparing the ultra-high molecular weight polyethylene fiber layer in the step S2 comprises the following steps:
s21, preparing the ultra-high molecular weight polyethylene spinning solution into gelatinized pre-oriented yarns;
s22, carrying out balanced standing treatment on the gelatinized pre-oriented yarns;
s23, sequentially carrying out pre-drafting, extraction, drying and forward drafting on the gelatinized pre-oriented strand silk subjected to the balanced standing treatment, coating an antistatic oil solution while the gelatinized pre-oriented strand silk is subjected to the forward drafting, and coating the antistatic oil solution by using an oiling roller to obtain the ultrahigh molecular weight polyethylene fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211519489.4A CN115752097A (en) | 2022-11-30 | 2022-11-30 | Boron carbide bulletproof flashboard and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211519489.4A CN115752097A (en) | 2022-11-30 | 2022-11-30 | Boron carbide bulletproof flashboard and preparation method thereof |
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| US20130263728A1 (en) * | 2011-11-02 | 2013-10-10 | Eurocopter Deutschland Gmbh | Shock and impact resistant multilayered composite and method for its fabrication |
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