Ballistic plate and manufacturing process

Abstract

The present application relates to the technical field of ballistic plates, and specifically to a ballistic plate and a manufacturing process. The ballistic plate comprises: a bullet-proof housing, the bullet-proof housing being internally provided with at least one cavity; an energy-absorbing structure, the energy-absorbing structure filling the cavity; and a support structure, the support structure being arranged in the cavity and fixedly connected to a first side surface and a second side surface in the bullet-proof housing, and the first side surface and the second side surface being arranged opposite to each other, wherein the first side surface is a strike face, the support structure and the cross section of the second side surface are configured as a triangular structure, and angle A of the triangular structure is fixedly connected to the midline of the strike face. The triangular structure configured by the support structure and the cross section of the second side surface makes the ballistic plate more stable, and can improve the strength of the first side surface, that is, the strike face, such that the first side surface has a greater ability to withstand bullet impacts. The support structure can transfer part of a bullet impact to the energy-absorbing structure and the second side surface, helping to relieve the impact on the first side surface.

Description

A bulletproof shield and its manufacturing process

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese Patent Application No. 202510366603.1, filed on March 26, 2025, entitled "A Bulletproof Baffle and Manufacturing Process", the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of bulletproof plate technology, specifically to a bulletproof baffle and its manufacturing process. Background Technology

[0004] Currently, commonly used bulletproof plates include the following types: metal bulletproof plates, ceramic bulletproof plates, and polymer-ceramic composite bulletproof plates. Metal bulletproof plates are inexpensive and wear-resistant, but they are prone to shattering upon contact with a bullet, causing additional injury. They are also heavy and thick, significantly impacting mobility and flexibility. Furthermore, metal bulletproof plates are often composed of different layers, and the connection methods between these layers have special requirements, making the connection process complex. Ceramic bulletproof plates are made of high-strength, high-hardness materials such as alumina, silicon carbide, and boron carbide. While they shatter bullets upon contact and effectively prevent penetration, they generate a large number of fragments that scatter outwards, causing additional damage. Polymer-ceramic composite bulletproof plates have a very complex manufacturing process, making mass production difficult. Therefore, there is an urgent need for a bulletproof plate that is highly flexible, avoids additional damage, and has a simple structure. Summary of the Invention

[0005] In view of this, this application provides a bulletproof shield and manufacturing process to solve the problems existing in commonly used bulletproof shields.

[0006] In a first aspect, this application provides a bulletproof shield, comprising:

[0007] A bulletproof casing having at least one cavity inside;

[0008] An energy-absorbing structure, wherein the energy-absorbing structure is filled within the cavity;

[0009] A support structure is disposed within the cavity and is fixedly connected to a first side and a second side within the bulletproof shell, with the first side and the second side being disposed opposite to each other.

[0010] The first side is the incoming surface, and the cross-section of the supporting structure and the second side is a triangular structure, with corner A of the triangular structure fixedly connected to the centerline of the incoming surface.

[0011] Beneficial effects:

[0012] By setting a support structure inside the cavity, the support structure is fixedly connected to the first side and the second side respectively. The triangular structure formed by the cross-section of the support structure and the second side makes the bulletproof baffle more stable and can improve the strength of the first side, that is, the surface facing the bullet, making it more capable of withstanding the impact force of the bullet. At the same time, the support structure can transmit part of the impact force generated when the bullet comes into contact with the first side to the energy-absorbing structure and the second side. The energy-absorbing structure and the second side can absorb part of the impact force, which helps to alleviate the impact force borne by the first side.

[0013] In one alternative embodiment, the cavity is divided into multiple energy-absorbing regions by the support structure, and each energy-absorbing region is filled with the energy-absorbing structure.

[0014] Beneficial effects:

[0015] The support structure can transmit the impact force to the energy-absorbing structures in multiple energy-absorbing areas. The support structure can ensure that all the energy-absorbing structures in the cavity participate in the process of consuming the impact force of the projectile, thereby effectively mitigating the impact force borne by the first side. At the same time, it can also avoid the problem that some energy-absorbing structures cannot participate in consuming the impact force because they are far away from the first side.

[0016] In one optional embodiment, the support structure includes two webs, the first ends of the two webs are fixedly connected and have an included angle, the second ends of the two webs are respectively fixedly connected to the two ends of a second side surface, and the cross-section of the two webs and the second side surface is constructed as a triangular structure.

[0017] Beneficial effects:

[0018] When the bullet enters the cavity and comes into contact with the obliquely arranged web, the bullet's speed has already dropped to a minimum. The obliquely arranged web can thus change the bullet's direction of motion and prolong its trajectory within the cavity. During this process, the bullet's kinetic energy is completely consumed, and the energy-absorbing structure envelops it.

[0019] In one optional embodiment, the web has connecting inclined surfaces at both ends, the two connecting inclined surfaces are parallel to each other, and the two connecting inclined surfaces are respectively attached to and fixedly connected to the first side surface and the second side surface.

[0020] Beneficial effects:

[0021] The web plate is designed with a connecting bevel, which makes the web plate easier to install, improves installation efficiency, and reduces installation time.

[0022] In one alternative embodiment, the bulletproof shell includes a flexible layer and a rigid layer, with the flexible layer fixedly disposed on the inner side of the rigid layer.

[0023] Beneficial effects:

[0024] During the process of the bullet's steel core penetrating the steel plate, the steel plate can absorb a small portion of the bullet's kinetic energy. Subsequently, the bullet enters the UHMWPE fabric, where the shearing and stretching deformation of the fibers helps dissipate some of the bullet's steel core's kinetic energy.

[0025] In one alternative embodiment, the outer wall of the second side is provided with a connector for detachably connecting to the connector of another bulletproof baffle.

[0026] Beneficial effects:

[0027] The bulletproof baffle is connected to another bulletproof baffle through connectors, thereby increasing the bulletproof area, which helps to improve the overall integrity, and also makes the bulletproof baffle more flexible.

[0028] In one alternative embodiment, the bulletproof housing has four cavities, with a partition between two cavities.

[0029] Beneficial effects:

[0030] Adjacent cavities are separated by partitions, which can effectively ensure the interface connection between the bulletproof shell and the energy-absorbing structure. Under stress, it can reduce the peeling damage between the upper and lower surfaces of the bulletproof shell and the energy-absorbing structure, which is conducive to enhancing the overall structure.

[0031] Secondly, this application also provides a manufacturing process for a bulletproof shield, applicable to the bulletproof shield described in the above solution, comprising the following steps:

[0032] Cut the sponge and steel plate for making the bulletproof shell to the required size, and immerse the sponge in a shear thickening liquid to form an energy-absorbing structure.

[0033] Place the bottom steel plate and two side steel plates in the lower mold inside the vacuum membrane to form a cavity. Lay UHMWPE cloth on the inner sides of the bottom steel plate and two side steel plates. Then place the support structure and energy absorption structure in the cavity. Lay UHMWPE cloth on the energy absorption structure. Then cover the cavity with the top steel plate to seal the cavity. Finally, cover with the upper mold.

[0034] The air inside the vacuum membrane is sucked out by a vacuum device, and at the same time, a curing agent consisting of HS-2101-G100 unsaturated polyester resin and methyl ethyl ketone peroxide is injected into the mold. After waiting for a specified time, the bulletproof baffle can be obtained.

[0035] Beneficial effects:

[0036] The above-mentioned process for manufacturing bulletproof shields is simple and easy to operate, which is conducive to the mass production of bulletproof shields and improves production efficiency.

[0037] In one alternative embodiment, after the sponge is impregnated in a shear thickening liquid to form an energy-absorbing structure, a UHMWPE cloth is wrapped around the surface of the energy-absorbing structure before it is placed into the cavity.

[0038] Beneficial effects:

[0039] By wrapping the sponge with another layer of UHMWPE fabric, the impact resistance of the energy-absorbing structure is improved, effectively enhancing the bulletproof performance of the bulletproof baffle.

[0040] In one alternative embodiment, before placing the bottom steel plate and the two side steel plates into the lower mold inside the vacuum membrane, a release cloth and a flow guide cloth are laid in sequence inside the lower mold; before covering the upper mold, a release cloth and a flow guide cloth are laid in sequence on the top steel plate.

[0041] Beneficial effects:

[0042] By setting a release cloth, the upper and lower molds can be easily demolded. The guide cloth can guide the curing agent to the joint of the steel plate and inside the steel plate, so that the steel plate, UHMWPE cloth, support structure, partition and UHMWPE cloth are fully bonded and fixed, which helps to improve production quality and reduce the defect rate. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0044] Figure 1 is a cross-sectional schematic diagram of a bulletproof baffle according to an embodiment of this application;

[0045] Figure 2 is an internal schematic diagram of a bulletproof baffle according to an embodiment of this application;

[0046] Figure 3 is a rear view of a bulletproof shield according to an embodiment of this application;

[0047] Figure 4 is a schematic diagram of a bulletproof shield manufacturing process according to an embodiment of this application.

[0048] Explanation of reference numerals in the attached drawings: 1. Bulletproof shell; 101. First side; 102. Second side; 103. Flexible layer; 104. Rigid layer; 2. Energy-absorbing structure; 3. Supporting structure; 301. Web plate; 3011. Connecting slope; 4. Connector; 5. Partition; 6. Bottom steel plate; 7. Side steel plate; 8. Lower mold; 9. Vacuum membrane; 10. Top steel plate; 11. Upper mold; 12. Vacuum device; 13. Vacuum tube; 14. Curing agent delivery pipe; 15. Curing agent storage tank; 16. UHMWPE cloth; 17. Release cloth; 18. Flow guiding cloth; 19. Curing agent collection structure. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0050] The embodiments of this application are described below with reference to Figures 1 to 4.

[0051] According to an embodiment of this application, a bulletproof shield is provided, comprising: a bulletproof shell 1, an energy-absorbing structure 2, and a support structure 3.

[0052] Specifically, the bulletproof shell 1 has at least one cavity. An energy-absorbing structure 2 fills the cavity. A support structure 3 is disposed within the cavity and is fixedly connected to a first side surface 101 and a second side surface 102 within the bulletproof shell 1, with the first side surface 101 and the second side surface 102 positioned opposite each other. The first side surface 101 is the projectile-facing surface, and the cross-sectional structure of the support structure 3 and the second side surface 102 is a triangular structure, with angle A of the triangle fixedly connected to the centerline of the projectile-facing surface.

[0053] In this embodiment, optionally, the bulletproof shell 1 has a rectangular structure and a cavity inside. The cavity is filled with an energy-absorbing structure 2 and a support structure 3 is also provided inside the cavity. The support structure 3 is fixedly connected to the first side 101 and the second side 102 inside the cavity. The first side 101 and the second side 102 are arranged opposite to each other, as shown in Figure 1. The cross-sectional structure of the support structure 3 and the second side 102 is a triangular structure. The first side 101 is the projectile-facing surface, and the corner A of the triangular structure is fixedly connected to the centerline of the projectile-facing surface. At the moment the bullet contacts the first side 101, a high-speed impact is generated. The bullet's lead base and jacket are broken by the first side 101, and the enormous impact force deforms the steel core of the bullet, slowing its further penetration. During the process of the steel core penetrating the first side 101, the first side 101 can absorb a small portion of the bullet's kinetic energy. The support structure 3 can transfer a portion of the impact force from the first side 101 to the second side 102 and the energy-absorbing structure 2. The second side 102 and the energy-absorbing structure 2 can absorb a portion of the impact force. The impact force is distributed, and the supporting structure 3 will eliminate part of the impact force during the transmission process. If the bullet has strong penetrating power and high kinetic energy, the bullet will penetrate the first side 101 and enter the cavity, where it will come into contact with the energy-absorbing structure 2. The energy-absorbing structure 2 is a sponge impregnated with shear thickening fluid. The shear thickening fluid inside the sponge has a shear thickening phenomenon. Under high shear rate, the viscosity rises rapidly. The sharp increase in viscosity effectively absorbs a large amount of kinetic energy from the steel core, further slowing down the bullet's penetration ability. When the kinetic energy of the steel core is completely consumed, the energy-absorbing structure 2 will encapsulate the bullet.

[0054] It should be noted that by setting a support structure 3 in the cavity, the support structure 3 is fixedly connected to the first side 101 and the second side 102 respectively. The triangular structure formed by the cross-section of the support structure 3 and the second side 102 makes the bulletproof baffle more stable and can improve the strength of the first side 101, that is, the bullet-facing surface, making it more capable of withstanding the impact force of the bullet. At the same time, the support structure 3 can transmit part of the impact force generated when the bullet comes into contact with the first side 101 to the energy-absorbing structure 2 and the second side 102. The energy-absorbing structure 2 and the second side 102 can absorb part of the impact force, which helps to alleviate the impact force borne by the first side 101.

[0055] In one embodiment, the cavity is divided into multiple energy-absorbing regions by a support structure 3, and each energy-absorbing region is filled with an energy-absorbing structure 2.

[0056] In this embodiment, as shown in Figure 1, the energy-absorbing structure 2 in each energy-absorbing region is attached to the support structure 3. When the support structure 3 transmits the impact force received by the first side 101 to the second side 102, the support structure 3 can transmit part of the impact force to the energy-absorbing structures 2 in multiple energy-absorbing regions. The support structure 3 can enable all the energy-absorbing structures 2 in the cavity to participate in the process of consuming the impact force of the projectile, thereby effectively alleviating the impact force borne by the first side 101. At the same time, it can also avoid the problem that some energy-absorbing structures 2 cannot participate in consuming the impact force because they are far away from the first side 101.

[0057] In one embodiment, the support structure 3 includes two webs 301, the first ends of the two webs 301 are fixedly connected and have an included angle, the second ends of the two webs 301 are respectively fixedly connected to the two ends of the second side 102, and the cross-section of the two webs 301 and the second side 102 is constructed as a triangular structure.

[0058] In this embodiment, as shown in Figure 1, the support structure 3 includes two webs 301, which are obliquely arranged in the cavity. The first ends of the two webs 301 are fixedly connected to each other, and the connection point of the two webs 301 is fixedly connected to the centerline of the first side 101. The second ends of the two webs 301 are respectively fixedly connected to the two ends of the second side 102. The cross-sectional structure of the two webs 301 and the second side 102 is an isosceles triangle, and the included angle formed by the first ends of the two webs 301 is angle A.

[0059] It should be noted that when the bullet enters the cavity and comes into contact with the obliquely arranged web plate 301, the bullet's speed has been reduced to a minimum. The obliquely arranged web plate 301 can change the bullet's direction of motion and prolong the bullet's trajectory in the cavity. During this process, the bullet's kinetic energy is completely consumed, and the energy-absorbing structure 2 encloses the bullet within it.

[0060] In one embodiment, the web 301 has connecting inclined surfaces 3011 at both ends. The two connecting inclined surfaces 3011 are parallel to each other and are respectively attached to and fixedly connected to the first side surface 101 and the second side surface 102.

[0061] In this embodiment, as shown in FIG1, the two ends of the web plate 301 have connecting inclined surfaces 3011 that fit against the first side surface 101 and the second side surface 102, respectively. The connection inclined surfaces 3011 on the web plate 301 make the web plate 301 easier to install, which helps to improve installation efficiency and reduce installation time.

[0062] In one embodiment, the bulletproof shell 1 includes a flexible layer 103 and a rigid layer 104, with the flexible layer 103 fixedly disposed on the inner side of the rigid layer 104.

[0063] In this embodiment, as shown in Figure 1, the flexible layer 103 is fixedly disposed on the inner side of the rigid layer 104. The two ends of the web 301 are fixedly connected to the flexible layer 103 of the first side 101 and the second side 102, respectively. Optionally, the rigid layer 104 is a steel plate, and the flexible layer 103 is UHMWPE cloth 16 (ultra-high molecular weight polyethylene fiber). During the process of the bullet steel core penetrating the steel plate, the steel plate can absorb a small part of the bullet's kinetic energy. Subsequently, the bullet enters the UHMWPE cloth 16. The UHMWPE cloth 16 dissipates part of the bullet steel core's kinetic energy through the shearing and stretching deformation of the fiber filaments. If the bullet's power is weak, it will be blocked by the UHMWPE cloth 16. If the bullet's power and penetration are strong, it will pass through the UHMWPE cloth 16 and enter the cavity, where the energy-absorbing structure 2 and the supporting structure 3 will block the bullet.

[0064] Optionally, the web plate 301 is made of steel plate wrapped with UHMWPE cloth 16. When the bullet comes into contact with the web plate 301, the UHMWPE cloth 16 on the web plate 301 will also pull on the bullet, and the bullet will change its direction of movement and lengthen its trajectory along with the obliquely set steel plate.

[0065] In one embodiment, the outer wall of the second side 102 is provided with a connector 4, which is used to detachably connect with the connector 4 of another bulletproof baffle.

[0066] In this embodiment, as shown in FIG1, optionally, the connector 4 includes a buckle and a slot. The bulletproof baffle can be connected to the slot of another bulletproof baffle through the buckle, thereby combining the two bulletproof baffles to increase the bulletproof area. The connector 4 is disposed on the edge of the second side 102, and adjacent connectors 4 are spaced apart. The number of connectors is not limited here. The number of connectors 4 can be determined according to the size, strength and process of the bulletproof baffle.

[0067] In other embodiments, the connector 4 includes a pin and a socket, which are disposed on the side of the bulletproof baffle, and the bulletproof baffle can be connected to the socket of another bulletproof baffle via the pin.

[0068] In one embodiment, the bulletproof housing 1 has four cavities, with a partition 5 between two cavities.

[0069] In this embodiment, as shown in Figures 2 and 3, the bulletproof shell 1 has four cavities, each containing an energy-absorbing structure 2 and a supporting structure 3. Adjacent cavities are separated by partitions 5. Optionally, the partitions 5 are made of UHMWPE fabric 16 wrapped around steel plates. The partitions 5 effectively separate adjacent cavities, improving the interfacial connection between the bulletproof shell 1 and the energy-absorbing structure 2. Under stress, this reduces the risk of peeling and damage between the upper and lower surfaces of the bulletproof shell 1 and the energy-absorbing structure 2, thus enhancing the overall structural integrity.

[0070] According to an embodiment of this application, another aspect provides a process for manufacturing a bulletproof shield, used to manufacture the bulletproof shield described in the above embodiments, comprising the following steps:

[0071] Cut the sponge and the steel plate used to make the bulletproof shell 1 to the required size, and immerse the sponge in a shear thickening liquid to form an energy-absorbing structure 2.

[0072] The bottom steel plate 6 and the two side steel plates 7 are placed in the lower mold 8 inside the vacuum membrane 9, so that the bottom steel plate 6 and the two side steel plates 7 form a cavity. UHMWPE cloth 16 is laid on the inner side of the bottom steel plate 6 and the two side steel plates 7. Then, the support structure 3 and the energy absorption structure 2 are placed in the cavity. UHMWPE cloth 16 is laid on the energy absorption structure 2. Then, the top steel plate 10 is placed on the cavity to seal the cavity. Finally, the upper mold 11 is placed on top.

[0073] The air inside the vacuum membrane 9 is sucked out by the vacuum device 12, and at the same time, a curing agent consisting of HS-2101-G100 type unsaturated polyester resin and methyl ethyl ketone peroxide is drawn into the mold. After waiting for a specified time, the bulletproof baffle can be obtained.

[0074] In this embodiment, as shown in Figure 4, the sponge and steel plates used to make the bulletproof shell 1, partition 5, and support structure 3 are cut to the required dimensions. The sponge is then impregnated with a shear thickening liquid, allowing it to absorb the liquid and form the energy-absorbing structure 2. The lower mold 8 is then placed inside the vacuum membrane 9, and the bottom steel plate 6 and side steel plates 7 are placed inside, creating a cavity. UHMWPE cloth 16 is laid on the inner surfaces of the bottom steel plate 6 and side steel plates 7, with the side of the bottom steel plate 6 and side steel plates 7 facing the cavity being the inner surface. The sponge, support structure 3, and partition 5, impregnated with shear thickening liquid, are then placed into the cavity. UHMWPE cloth 16 is then laid on top of the sponge and support structure 3, and the top steel plate 10 is placed over the cavity to seal it. The upper mold 11 is then placed on top, and the upper mold 11 and lower mold 8 work together to house the bulletproof shell 1. Finally, the vacuum membrane is sealed. 9. The vacuum tube 13 of the vacuum device 12 is connected to the vacuum membrane 9. One end of the curing agent delivery tube 14 passes through the vacuum membrane 9 and extends into the mold. The other end of the curing agent delivery tube 14 is connected to the curing agent storage tank 15. When the vacuum device 12 is started, the vacuum device 12 can suck out the air in the vacuum membrane 9 through the vacuum tube 13. At the same time, the negative pressure generated in the vacuum membrane 9 can make the curing agent in the curing agent storage tank 15 delivered to the mold through the curing agent delivery tube 14. The curing agent can bond and fix the UHMWPE cloth 16 to the steel plate, and also bond and fix the support structure 3 to the UHMWPE cloth 16. After waiting for a specified time, the curing agent is fully cured, and the mold can be removed to obtain the bulletproof baffle.

[0075] Optionally, in this embodiment, the mold can be removed after waiting for 8 hours.

[0076] Optionally, the curing agent is obtained by mixing HS-2101-G100 type unsaturated polyester resin and methyl ethyl ketone peroxide, with the ratio of HS-2101-G100 type unsaturated polyester resin to methyl ethyl ketone peroxide being 1:0.012.

[0077] Specifically, the vacuum tube 13 has a first section and a second section. The two ends of the first section are connected to the vacuum membrane 9 and the curing agent collection structure 19, respectively. The second section is connected to the curing agent collection structure 19 and the vacuum device 12, respectively. When the vacuum device 12 sucks out the air from the vacuum membrane 9, the curing agent will enter the mold due to the negative pressure. Some of the curing agent may be sucked into the vacuum tube 13. In order to prevent the curing agent from entering the vacuum device 12, the curing agent collection structure 19 is provided. The curing agent collection structure 19 can collect the curing agent that enters the vacuum tube 13.

[0078] In one embodiment, after the sponge is impregnated in a shear thickening liquid to form an energy-absorbing structure 2, a UHMWPE cloth 16 is wrapped around the surface of the energy-absorbing structure 2, and then it is placed into the cavity.

[0079] In this embodiment, before placing the sponge impregnated with shear thickening fluid, the support structure 3, and the partition 5 into the cavity, a layer of UHMWPE cloth 16 is first wrapped around the surface of the sponge impregnated with shear thickening fluid, and the UHMWPE cloth 16 is fixed to the sponge with fixing nails. A layer of UHMWPE cloth 16 is also wrapped around the surface of the support structure 3 and the partition 5. Then, the sponge, support structure 3, and partition 5 wrapped with UHMWPE cloth 16 are placed into the cavity.

[0080] In one embodiment, before placing the bottom steel plate 6 and the two side steel plates 7 into the lower mold 8 inside the vacuum membrane 9, a release cloth 17 and a flow guide cloth 18 are laid in sequence inside the lower mold 8; before covering the upper mold 11, a release cloth 17 and a flow guide cloth 18 are laid in sequence on the top steel plate 10.

[0081] In this embodiment, as shown in Figure 4, the release cloth 17 can facilitate the demolding of the lower mold 8 and the upper mold 11, and the guide cloth 18 can guide the curing agent to the connection of the steel plate and inside the steel plate, so that the steel plate and the UHMWPE cloth 16, as well as the support structure 3, the partition 5 and the UHMWPE cloth 16 are fully bonded and fixed.

[0082] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and all such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A ballistic shield, characterized in that, include: A bulletproof housing (1) having at least one cavity inside; An energy-absorbing structure (2) is filled inside the cavity; A support structure (3) is provided in the cavity. The support structure (3) is fixedly connected to the first side (101) and the second side (102) inside the bulletproof shell (1), respectively. The first side (101) and the second side (102) are arranged opposite to each other. The first side (101) is the anti-ballistic surface, and the cross-sectional structure of the support structure (3) and the second side (102) is a triangular structure, with corner A of the triangular structure fixedly connected to the centerline of the anti-ballistic surface.

2. The ballistic panel of claim 1, wherein The cavity is divided into multiple energy-absorbing regions by the support structure (3), and each energy-absorbing region is filled with the energy-absorbing structure (2).

3. The ballistic panel of claim 2, wherein, The support structure (3) includes two webs (301), the first ends of the two webs (301) are fixedly connected and have an included angle, the second ends of the two webs (301) are respectively fixedly connected to the two ends of the second side (102), and the cross-section of the two webs (301) and the second side (102) is a triangular structure.

4. The ballistic panel of claim 3, wherein, The web plate (301) has connecting inclined surfaces (3011) at both ends. The two connecting inclined surfaces (3011) are parallel to each other and are respectively attached to and fixedly connected to the first side surface (101) and the second side surface (102).

5. The bulletproof shield according to any one of claims 1 to 4, characterized in that, The bulletproof shell (1) includes a flexible layer (103) and a rigid layer (104), wherein the flexible layer (103) is fixedly disposed on the inner side of the rigid layer (104).

6. The bulletproof shield according to claim 5, characterized in that, The outer side wall of the second side (102) is provided with a connector (4), which is used to detachably connect with the connector (4) of another bulletproof baffle.

7. The bulletproof shield according to claim 5, characterized in that, The bulletproof shell (1) has four cavities, and a partition (5) is provided between two cavities.

8. A manufacturing process for a bulletproof shield, applied to the bulletproof shield described in any one of claims 1 to 7, characterized in that, Includes the following steps: Cut the sponge and steel plate for making bulletproof shell (1) according to the required size, and immerse the sponge in shear thickening liquid to form an energy-absorbing structure (2); Place the bottom steel plate (6) and the two side steel plates (7) in the lower mold (8) inside the vacuum membrane (9) to form a cavity. Lay UHMWPE cloth (16) on the inner side of the bottom steel plate (6) and the two side steel plates (7). Then place the support structure (3) and the energy absorption structure (2) in the cavity. Lay UHMWPE cloth (16) on the energy absorption structure (2). Then cover the cavity with the top steel plate (10) to seal the cavity. Then cover the cavity with the upper mold (11). The air in the vacuum membrane (9) is sucked out by the vacuum device (12), and at the same time, the curing agent, a mixture of HS-2101-G100 unsaturated polyester resin and methyl ethyl ketone peroxide, is drawn into the mold. After waiting for a specified time, the bulletproof baffle can be obtained.

9. The bulletproof baffle manufacturing process according to claim 8, characterized in that, After the sponge is impregnated in the shear thickening liquid to form an energy-absorbing structure (2), UHMWPE cloth (16) is wrapped on the surface of the energy-absorbing structure (2) and then placed into the cavity.

10. The bulletproof baffle manufacturing process according to claim 8 or 9, characterized in that, Before placing the bottom steel plate (6) and the two side steel plates (7) into the lower mold (8) inside the vacuum membrane (9), first lay the release cloth (17) and the flow guide cloth (18) in sequence inside the lower mold (8); before covering the upper mold (11), first lay the release cloth (17) and the flow guide cloth (18) in sequence on the top steel plate (10).

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