WO2022105310A1 - 一种可弯折防弹板及其制备方法 - Google Patents
一种可弯折防弹板及其制备方法 Download PDFInfo
- Publication number
- WO2022105310A1 WO2022105310A1 PCT/CN2021/110822 CN2021110822W WO2022105310A1 WO 2022105310 A1 WO2022105310 A1 WO 2022105310A1 CN 2021110822 W CN2021110822 W CN 2021110822W WO 2022105310 A1 WO2022105310 A1 WO 2022105310A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bulletproof
- bendable
- plate
- area
- soft
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 239000011162 core material Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 16
- 229920000573 polyethylene Polymers 0.000 abstract 2
- -1 polyethylene Polymers 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000748 compression moulding Methods 0.000 description 2
- 229920006253 high performance fiber Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
-
- 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
- F41H1/00—Personal protection gear
- F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
Definitions
- the invention relates to the field of bulletproof plate protection, in particular to a bendable bulletproof plate and a preparation method thereof.
- the high-performance fiber bulletproof plate is made of high-performance fiber filaments treated by special technology.
- the compressed bulletproof plate is a hard bulletproof plate.
- the existing rigid bulletproof plates can be bent in the following two ways:
- Method 1 Metal riveting or gluing is used to install the unit plates at different angles to achieve the purpose of bending;
- Method 2 Develop a pressing mold with a specific angle to meet the installation requirements.
- the purpose of the present invention is to aim at the deficiencies in the prior art, to provide a bendable bulletproof plate and a preparation method thereof.
- the bulletproof area ie, the bulletproof plate
- the bulletproof area can realize the seamless connection between the soft bulletproof area and the hard bulletproof area, and by adjusting the thickness of the soft bulletproof area by design, 360° bending can be realized.
- the technical scheme adopted by the present invention is:
- a first aspect of the present invention provides a bendable bulletproof plate, the bendable bulletproof plate includes at least one soft bulletproof area and at least two hard bulletproof areas, and the soft bulletproof areas are arranged on two adjacent blocks. Between the hard bulletproof zones, and the thickness of the hard bulletproof zone is less than the thickness of the soft bulletproof zone, the bendable bulletproof plate is made of PE UD composite cloth.
- the areal densities of the soft bulletproof zone and the hard bulletproof zone are both 4.0-6.0 kg/m 2 .
- the thickness of the soft bulletproof zone is 6-10mm; the thickness of the hard bulletproof zone is 4-5mm.
- a second aspect of the present invention provides a method for preparing the above-mentioned bendable bulletproof plate, comprising the following steps:
- the molded backing plate with a number of hollow groove structures is obtained by producing and cutting according to the size;
- Preparation of the core material of the bendable bulletproof plate using ultra-high molecular weight polyethylene fiber as the material, prepare and cut into a multi-layer bulletproof material that is larger than or the same size as the molded backing plate prepared in step S1, and The multi-layer bulletproof material laminations are laid up to form a bulletproof plate core material;
- step S3 press molding: place a piece of the molded backing plate obtained in step S1 on the upper and lower sides of the core material of the bulletproof plate laid up in step S2, and put it into a molding die, the hollow groove of the molded backing plate No force is applied at all places, and the pressing treatment is carried out.
- the pressing temperature is 128-130 ° C
- the molding pressure is 15-25 MPa
- the heat preservation and pressure holding time is 20-50 minutes, so as to obtain a bendable bulletproof plate, which is located in the hollow groove area.
- the core material of the bulletproof plate is a soft bulletproof area
- the core material of the bulletproof plate located outside the hollow groove area and located between two adjacent molded pads is a hard bulletproof area.
- step S4 post-processing: removing the burrs of the bendable bulletproof plate prepared in step S3, and beautifying and packaging according to requirements to form a finished product.
- the size of the molded backing plate is not less than 420mm ⁇ 420mm, and the thickness is 5-20mm.
- the width of the hollow groove is 35-45 mm.
- the weight of the bulletproof plate core material does not exceed 5.5 kg/m 2 , and the thickness thereof is 4-6 mm.
- the bendable bulletproof plate is sealed with waterproof polyester cloth after removing the burrs.
- the present invention adopts the above technical scheme, compared with the prior art, has the following technical effects:
- the soft bulletproof area and the hard bulletproof area of the present invention are seamlessly connected. Compared with the traditional structure, the product has no protective blind spots, which greatly improves the safety of users;
- bendable bulletproof plates of different continuous shapes can be flexibly made; at the same time, bendable bulletproof plates of different protection levels can be flexibly made;
- the molded backing plate has a single curvature, but can be bent at various angles, which simplifies the production and facilitates the operation, thereby improving the production efficiency, the production process is more stable, and the product quality is also improved. Stablize.
- FIG. 1 is a schematic diagram of a bendable bulletproof plate in the present invention
- Fig. 2 is the schematic diagram of the molded pad in the present invention.
- FIG. 3 is a schematic diagram of the bending of the bulletproof plate and the molding pad pressing in the present invention.
- FIG. 4 is a schematic diagram of the structure of the core material of the bulletproof plate in Embodiment 1 of the present invention.
- Fig. 5 is the schematic diagram of the core material structure of the bulletproof plate in Embodiment 2 of the present invention.
- FIG. 6 is a schematic diagram of the core material structure of the bulletproof plate in Embodiment 3 of the present invention.
- FIG. 7 is a schematic diagram of the core material structure of the bulletproof plate in Embodiment 4 of the present invention.
- FIG. 8 is a bar graph of the GA2-level ballistic resistance test of the bendable bulletproof plate in Examples 1 to 3 of the present invention.
- the steps of the manufacturing method of the bendable bulletproof plate in this embodiment are as follows:
- the molded backing plate 3 according to the designed size ( ⁇ 420mm ⁇ 420mm), the molded backing plate 3 with the structure of several hollow grooves 4 is produced and cut, wherein the thickness of the molded backing plate 3 is 10mm, and the width of the hollow groove 4 is 35mm , the number of hollow grooves 4 is 1, and the design number of hollow grooves 4 can be determined according to the bending requirements;
- Press molding Put the laminated core material structure of the bulletproof plate, and put a designed and produced molded backing plate 3 on the upper and lower sides, put it into the molding die, and press it according to the pressing process.
- the pressing temperature is 128°C
- the molding pressure is is 15MPa
- the heat preservation and pressure holding time is 20min
- the bendable bulletproof plate is obtained;
- Post-processing remove the burrs of the bulletproof plate, beautify the packaging according to the needs, and form the finished product.
- the steps of the manufacturing method of the bendable bulletproof plate in this embodiment are as follows:
- the molded backing plate 3 according to the designed size ( ⁇ 420mm ⁇ 420mm), the molded backing plate 3 with the structure of several hollow grooves 4 is produced and cut, wherein the thickness of the molded backing plate 3 is 20mm, and the width of the hollow groove 4 is 35mm , the number of hollow grooves 4 is 1, and the design number of hollow grooves 4 can be determined according to the bending requirements;
- Compression molding Put the laminated core material structure of the bulletproof plate, put a designed and produced molded backing plate 3 on the upper and lower sides, put it into the molding die, and press it according to the pressing process.
- the pressing temperature is 129 °C
- the molding pressure is 17MPa
- the heat preservation and pressure holding time is 40min
- the bendable bulletproof plate is obtained;
- Post-processing remove the burrs of the bulletproof plate, beautify the packaging according to the needs, and form the finished product.
- the steps of the manufacturing method of the bendable bulletproof plate in this embodiment are as follows:
- the molded backing plate 3 according to the designed size ( ⁇ 420mm ⁇ 420mm), the molded backing plate 3 with the structure of several hollow grooves 4 is produced and cut, wherein the thickness of the molded backing plate 3 is 15mm, and the width of the hollow groove 4 is 35mm , the number of hollow grooves 4 is 1, and the design number of hollow grooves 4 is determined according to the bending requirements;
- the core material of the bendable bulletproof plate according to the design requirements and design thickness (the weight does not exceed 5.5kg/m 2 , the molding thickness is about 6mm), the ultra-high molecular weight polyethylene fiber is used as the material, and it is prepared, cut and molded.
- the multi-layer bulletproof material of the same size of the backing plate 3 is completely overlapped and laid up to form a bulletproof board core material structure, wherein the soft bulletproof area 1 and the hard bulletproof area 2 of the bulletproof board core material have an area density of 5.5kg /m 2 ;
- Compression molding Put the laminated core material structure of the bulletproof plate, put a designed and produced molded backing plate 3 on the upper and lower sides, put it into the molding die, and press it according to the pressing process.
- the pressing temperature is 130 ° C
- the molding pressure is is 25MPa
- the heat preservation and pressure holding time is 50min
- the bendable bulletproof plate is obtained;
- Post-processing remove the burrs of the bulletproof plate, beautify the packaging according to the needs, and form the finished product.
- Fig. 8 1.
- the anti-ballistic performance of the soft bulletproof zone 1 of the bendable plate is reduced by an average of 13% compared with the anti-ballistic performance of the hard bulletproof zone 2;
- Soft bulletproof area 1 the density of the protective surface should preferably be 5.5kg/m 2 to be safe enough, while the hard bulletproof area 2, the protective surface density of 4.5kg/m 2 has enough margin.
- the molded backing plate 3 is produced and cut according to the designed size ( ⁇ 420mm ⁇ 420mm), wherein the thickness of the molded backing plate 3 is 20mm, the width of the hollow groove 4 is 40mm, and the number of the hollow grooves 4 is 12 block, in which the number of hollow grooves 4 can be determined according to the bending requirements;
- the core material of the bendable bulletproof plate according to the design requirements and design thickness (the weight does not exceed 4.2kg/m 2 , and the molding thickness is about 5mm), use ultra-high molecular weight polyethylene fiber as the material, prepare and cut a variety of sizes
- the multi-layer bulletproof material and the multi-layer bulletproof material are laid up according to the lap lamination shown in FIG. 7 to form a bulletproof board core material structure, wherein the soft bulletproof area 1 area of the bulletproof board core material has a density of 6kg/m 2 and a hard core.
- the surface density of the mass bulletproof zone 2 is 4.0kg/m 2 ;
- press molding put the laminated core material structure of the bulletproof plate, and put a designed and produced molded backing plate 3 on the upper and lower sides, put it into the molding die, and press it according to the pressing process.
- the pressing temperature is 128°C
- the forming pressure is 15MPa
- the heat preservation and pressure holding time is 45min
- the bendable bulletproof plate is obtained;
- Post-processing remove the burrs of the bulletproof plate, and seal the waterproof polyester cloth to form the finished product.
- 12 lap joints are used for the 12 soft bulletproof areas 1.
- the specific process is: choose a single-layer density of 240g/ m2 PE UD composite cloth, the hard bulletproof area 2 is laid with 17 layers of this material (that is, the surface density of the hard bulletproof area 2 is 4.0kg/m 2 ), while the soft bulletproof area 1 needs to be laid with 25 layers of this material (that is, the hard bulletproof area The area density is 6.0kg/m 2 ).
- the soft bulletproof area 1 needs to be covered with 8 more layers of PE UD composite cloth with a density of 220g/m 2 .
- the soft bulletproof area 1 should be spread. 8 more layers (as shown in Figure 7) are overlapped, and 1 layer is overlapped at intervals of 1 layer, until 8 more layers are overlapped. In the same way as above, 12 soft bulletproof areas 1 are overlapped respectively, and 8 layers of soft bulletproof areas 1 are overlapped at each location.
- the V50 value of the hard bulletproof zone 2 is 515m/s
- the V50 value of the soft bulletproof zone 1 is 530m/s, which is far greater than the GA141-2010 standard
- the bullet velocity specified in the 2nd grade is 445m/s.
- the hard bulletproof zone 2 exceeds the standard value of 70m/s
- the soft bulletproof zone 1 exceeds the standard value of 85m/s.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (15)
- 一种可弯折防弹板,其特征在于,所述可弯折防弹板包括至少一处软质防弹区(1)和至少二处硬质防弹区(2),所述软质防弹区(1)设置于相邻两块所述硬质防弹区(2)之间,且所述硬质防弹区(2)的厚度小于所述软质防弹区(1)的厚度,所述可弯折防弹板采用PE UD复合布制成。
- 根据权利要求1所述的可弯折防弹板,其特征在于,所述软质防弹区(1)和硬质防弹区(2)的面密度均为4.0~6.0kg/m 2。
- 根据权利要求1所述的可弯折防弹板,其特征在于,所述软质防弹区(1)的厚度为6~10mm;所述硬质防弹区(2)的厚度为4~5mm。
- 根据权利要求1~3任一项所述的可弯折防弹板,其特征在于,所述软质防弹区(1)为12处。
- 根据权利要求1~4中任一项所述的可弯折防弹板的制备方法,其特征在于,包括如下步骤:S1、模压垫板(3)制备:按尺寸生产并裁切得到具有若干空心槽(4)结构的模压垫板(3);S2、可弯折防弹板芯材制备:以超高分子量聚乙烯纤维为材料,准备并裁切成大于或与步骤S1中制得的所述模压垫板(3)相同尺寸的多层防弹材料,并将所述多层防弹材料叠片铺叠成防弹板芯材;S3、压制成型:将步骤S2中铺叠好的所述防弹板芯材上下各垫一块步骤S1中制得的所述模压垫板(3),并放入成型模具里,所述模压垫板(3)的空心槽(4)处不受力,进行压制处理,所述压制处理的温度为128~130℃,成型压力为15~25MPa,保温保压时间为20~50min,制得可弯折防弹板,位于所述空心槽(4)区域内的防弹板芯材为软质防弹区(1),位于所述空心槽(4)区域外且位于相邻两块模压垫板(3)之间的防弹板芯材为硬质防弹区(2)。
- 根据权利要求5所述的可弯折防弹板的制备方法,其特征在于,还包括步骤S4、后处理:去除步骤S3中制得的所述可弯折防弹板的毛边,根据需求进行美化包装,形成成品。
- 根据权利要求5所述的可弯折防弹板的制备方法,其特征在于,S1中,所述模压垫板(3)的尺寸不小于420mm×420mm,厚度为5~20mm。
- 根据权利要求5或7所述的可弯折防弹板的制备方法,其特征在于,S1中,所述空心槽(4)的宽度为35~45mm。
- 根据权利要求5所述的可弯折防弹板的制备方法,其特征在于,S1中,所述空心槽(4)的数量为1块。
- 根据权利要求5所述的可弯折防弹板的制备方法,其特征在于,S1中,所述空心槽(4)的数量为12块。
- 根据权利要求10所述的可弯折防弹板的制备方法,其特征在于,当所述空心槽(4)的数量为12块时,S2中,所述铺叠为搭接叠片铺叠,所述搭接叠片铺叠采用12处塔接。
- 根据权利要求11所述的可弯折防弹板的制备方法,其特征在于,硬质防弹区(2)铺该料叠17层,软质防弹区(1)铺该料需叠25层。
- 根据权利要求5所述的可弯折防弹板的制备方法,其特征在于,S2中,所述防弹板芯材的重量不超过5.5kg/m 2,厚度为4~6mm。
- 根据权利要求6所述的可弯折防弹板的制备方法,其特征在于,S4中,所述可弯折防弹板去除毛边后外封防水涤纶布。
- 权利要求5所述的可弯折防弹板的制备方法得到的模压垫板(3),其特征在于,具有若干空心槽(4)结构。
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KR1020227019934A KR20220112256A (ko) | 2020-11-23 | 2021-08-05 | 굽힘 가능한 방탄판 및 그 제조 방법 |
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CN202011325072.5 | 2020-11-23 | ||
CN202011325072.5A CN112304161B (zh) | 2020-11-23 | 2020-11-23 | 一种可弯折防弹板及其制备方法 |
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CN (1) | CN112304161B (zh) |
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CN112304161B (zh) * | 2020-11-23 | 2024-06-18 | 上海斯瑞科技有限公司 | 一种可弯折防弹板及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1971199A (zh) * | 2006-12-25 | 2007-05-30 | 张振民 | 轻质可弯增效防弹防刺芯片及其制造方法 |
US9200872B1 (en) * | 2011-06-17 | 2015-12-01 | David J. Millar | Hard soft ballistic armor |
US9441920B2 (en) * | 2014-08-27 | 2016-09-13 | David Fryderyk Fernandez | Armor materials and structures and methods |
CN112304161A (zh) * | 2020-11-23 | 2021-02-02 | 上海斯瑞科技有限公司 | 一种可弯折防弹板及其制备方法 |
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CN102620606A (zh) * | 2012-04-01 | 2012-08-01 | 北京同益中特种纤维技术开发有限公司 | 一种软质防弹板 |
CN205014898U (zh) * | 2015-08-05 | 2016-02-03 | 北京普凡防护科技有限公司 | 一种轻质防弹板 |
CN205929507U (zh) * | 2016-05-30 | 2017-02-08 | 苏州高甲防护科技有限公司 | 一种柔性防弹防刺片材 |
CN213841901U (zh) * | 2020-11-23 | 2021-07-30 | 上海斯瑞科技有限公司 | 一种可弯折防弹板 |
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2020
- 2020-11-23 CN CN202011325072.5A patent/CN112304161B/zh active Active
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2021
- 2021-08-05 KR KR1020227019934A patent/KR20220112256A/ko not_active Application Discontinuation
- 2021-08-05 WO PCT/CN2021/110822 patent/WO2022105310A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1971199A (zh) * | 2006-12-25 | 2007-05-30 | 张振民 | 轻质可弯增效防弹防刺芯片及其制造方法 |
US9200872B1 (en) * | 2011-06-17 | 2015-12-01 | David J. Millar | Hard soft ballistic armor |
US9441920B2 (en) * | 2014-08-27 | 2016-09-13 | David Fryderyk Fernandez | Armor materials and structures and methods |
CN112304161A (zh) * | 2020-11-23 | 2021-02-02 | 上海斯瑞科技有限公司 | 一种可弯折防弹板及其制备方法 |
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CN112304161A (zh) | 2021-02-02 |
KR20220112256A (ko) | 2022-08-10 |
CN112304161B (zh) | 2024-06-18 |
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