阅读说明：本技术 一种多层组合式超高分子量聚乙烯纤维防弹板材 (Multi-layer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate ) 是由 刘泠杉 于 2021-08-26 设计创作，主要内容包括：本发明涉及防护板技术领域,且公开了一种多层组合式超高分子量聚乙烯纤维防弹板材,包括迎弹面板、内嵌层A、内嵌层B和内衬面板,迎弹面板、内嵌层A和内嵌层B背面边缘处的中部压制有凹槽,内嵌层A、内嵌层B和内衬面板正面边缘处的中部粘接有卡接板,迎弹面板、内嵌层A、内嵌层B和内衬面板之间通过凹槽和卡接板进行叠层组合。该多层组合式超高分子量聚乙烯纤维防弹板材,通过迎弹面板、内嵌层A、内嵌层B、内衬面板顺序逐级多层组合卡接结构提高防弹性能,降低面密度,克服现有单层防弹板材厚度过大,面密度偏高、份量偏重的缺点,而且可以针对不同的要求灵活更换内嵌层A和内嵌层B,使生产简化和便于操作,从而生产效率提高。(The invention relates to the technical field of protection plates and discloses a multilayer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate which comprises a bullet facing panel, an embedded layer A, an embedded layer B and a lining panel, wherein grooves are pressed in the middle of the back edges of the bullet facing panel, the embedded layer A and the embedded layer B, clamping plates are bonded in the middle of the front edges of the embedded layer A, the embedded layer B and the lining panel, and the bullet facing panel, the embedded layer A, the embedded layer B and the lining panel are combined in a laminated mode through the grooves and the clamping plates. This shellproof panel of multi-layer combination formula ultra high molecular weight polyethylene fibre improves the bulletproof property through meeting bullet panel, embedded layer A, embedded layer B, lining panel order multilayer combination joint structure step by step, reduces the areal density, overcomes the shortcoming that current shellproof panel of individual layer thickness is too big, areal density is on the high side, the weight is on the heavy side, can change embedded layer A and embedded layer B in a flexible way to the requirement of difference moreover, makes production simplify and the operation of being convenient for to production efficiency improves.)

1. The utility model provides a shellproof panel of multi-layer combination formula ultra high molecular weight polyethylene fibre, includes and meets bullet panel (1), embedded layer A (2), embedded layer B (3) and inside lining panel (4), its characterized in that: it suppresses the recess to meet the middle part of bullet panel (1), embedded layer A (2) and embedded layer B (3) back edge, the middle part of embedded layer A (2), embedded layer B (3) and inside lining panel (4) front edge bonds and has joint board (5), meet and carry out the stromatolite combination through recess and joint board (5) between bullet panel (1), embedded layer A (2), embedded layer B (3) and inside lining panel (4).

2. The multi-layer combined type ultra-high molecular weight polyethylene fiber bulletproof plate material as claimed in claim 1, wherein: the bullet facing panel (1) and the lining panel (4) are made of ultra-high molecular weight polyethylene fiber materials.

3. The multi-layer combined type ultra-high molecular weight polyethylene fiber bulletproof plate material as claimed in claim 1, wherein: the bullet facing panel (1) and the lining panel (4) are woven in a warp-weft inclined five-degree mode.

4. The multi-layer combined type ultra-high molecular weight polyethylene fiber bulletproof plate material as claimed in claim 1, wherein: the embedded layer A (2) is formed by three-dimensionally weaving glass fibers and aramid fibers.

5. The multi-layer combined type ultra-high molecular weight polyethylene fiber bulletproof plate material as claimed in claim 1, wherein: the embedded layer B (3) is formed by combining a carbon fiber unidirectional or two-dimensional fabric, a prepreg cloth and a lamination layer after the carbon fiber unidirectional or two-dimensional fabric is soaked in modified thermosetting resin.

6. The method for manufacturing the multilayer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate material according to claim 1, is characterized in that: the method comprises the following steps:

1) preparing a bullet facing panel and an inner lining panel: dividing the ultra-high molecular weight polyethylene fiber into two strands, performing warp and weft weaving, performing warp inclined five-degree weaving in the weaving to form an elastic-faced panel and an inner lining panel, and then coating a thermoplastic resin adhesive on one side surfaces of the elastic-faced panel and the inner lining panel;

2) preparation of the embedded layer A: carrying out three-dimensional weaving on glass fibers and aramid fibers to form an embedded layer A;

3) preparation of the embedded layer B: impregnating the carbon fiber unidirectional or two-dimensional fabric with modified thermosetting resin to prepare prepreg cloth, and then laminating to form an embedded layer B;

4) aligning the bullet-facing panel, the embedded layer A, the embedded layer B and the lining panel, and then curing and bonding the interfaces at normal temperature or high temperature under the pressurization condition by adopting an interface adhesive or a single-layer adhesive film; the pressure is not less than 10MPa, the maximum processing temperature is 110-220 ℃, and the maximum temperature dwell time is not less than 10 min.

Technical Field

The invention relates to the technical field of protection plates, in particular to a multi-layer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate.

Background

The existing bulletproof mechanism of the single-layer ultrahigh molecular weight polyethylene fiber bulletproof plate is mainly as follows: when the fiber is impacted, the energy of the shock wave can be rapidly diffused, the fiber needs to absorb the energy of the fracture when being fractured, the energy of the fracture needs to be absorbed in the motion processes such as interlayer slippage, integral bending deformation of the plate and the like, and the kinetic energy of the bullet (or the fragment) is consumed by the mechanisms together, so that the aim of preventing the bullet is fulfilled.

The existing single-layer ultrahigh molecular weight polyethylene fiber bulletproof plate has overlarge thickness, high surface density and heavy weight, and in order to adapt to different bulletproof grade requirements, bulletproof plates with different thicknesses need to be manufactured, and moulds with different structures need to be arranged, so that the control difficulty of the production process is high, and the production efficiency is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a multi-layer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate which has the advantages of thin thickness, flexible combination according to the use environment and the like, and solves the problems of the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shellproof panel of multilayer combination formula ultra high molecular weight polyethylene, includes and meets bullet panel, embedded layer A, embedded layer B and inside lining panel, the middle part suppression of meeting bullet panel, embedded layer A and embedded layer B back edge is fluted, the middle part bonding of the positive edge of embedded layer A, embedded layer B and inside lining panel has the joint board, meet and carry out the stromatolite combination through recess and joint board between bullet panel, embedded layer A, embedded layer B and the inside lining panel.

Preferably, the bullet facing panel and the lining panel are made of ultra-high molecular weight polyethylene fiber materials.

Preferably, the bullet facing panel and the lining panel are woven in a warp-weft inclined five-degree mode.

Preferably, the embedded layer A is formed by three-dimensionally weaving glass fibers and aramid fibers.

Preferably, the embedded layer B is formed by combining a carbon fiber unidirectional or two-dimensional fabric, a prepreg cloth and a laminated layer, wherein the prepreg cloth is prepared by impregnating the carbon fiber unidirectional or two-dimensional fabric with modified thermosetting resin.

A method for manufacturing a multilayer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate comprises the following steps:

1) preparing a bullet facing panel and an inner lining panel: dividing the ultra-high molecular weight polyethylene fiber into two strands, performing warp and weft weaving, performing warp inclined five-degree weaving in the weaving to form an elastic-faced panel and an inner lining panel, and then coating a thermoplastic resin adhesive on one side surfaces of the elastic-faced panel and the inner lining panel;

2) preparation of the embedded layer A: carrying out three-dimensional weaving on glass fibers and aramid fibers to form an embedded layer A;

3) preparation of the embedded layer B: impregnating the carbon fiber unidirectional or two-dimensional fabric with modified thermosetting resin to prepare prepreg cloth, and then laminating to form an embedded layer B;

4) aligning the bullet-facing panel, the embedded layer A, the embedded layer B and the lining panel, and then curing and bonding the interfaces at normal temperature or high temperature under the pressurization condition by adopting an interface adhesive or a single-layer adhesive film; the pressure is not less than 10MPa, the maximum processing temperature is 110-220 ℃, and the maximum temperature dwell time is not less than 10 min.

(III) advantageous effects

Compared with the prior art, the invention provides a multilayer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate which has the following beneficial effects:

the multilayer combined type ultra-high molecular weight polyethylene fiber bulletproof plate improves the bulletproof performance and reduces the surface density through a bullet facing plate, an embedded layer A, an embedded layer B and an inner lining panel which are sequentially combined in a multilayer manner to form a clamping structure, overcomes the defects of overlarge thickness, higher surface density and heavier weight of the existing single-layer bulletproof plate, and can flexibly replace the embedded layer A and the embedded layer B according to different requirements, so that the production is simplified and the operation is convenient, thereby improving the production efficiency The embedded layer A is made of glass fiber and has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, and the embedded layer B is made of carbon fiber and has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like.

Drawings

Fig. 1 is a schematic structural diagram of a multi-layer combined ultra-high molecular weight polyethylene fiber bulletproof plate material provided by the invention.

In the figure: 1. the bullet-facing panel 2, embedded layer A3, embedded layer B4, inside lining panel 5, joint board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a multi-layer combined type ultra-high molecular weight polyethylene bulletproof plate comprises a bullet facing panel 1, an embedded layer a2, an embedded layer B3 and an inner lining panel 4, wherein the bullet facing panel 1 and the inner lining panel 4 are made of ultra-high molecular weight polyethylene fiber materials, the bullet facing panel 1 and the inner lining panel 4 are woven in a warp-weft inclined five-degree mode, the embedded layer a2 is formed by three-dimensionally weaving glass fiber and aramid fiber, the embedded layer B3 is formed by laminating and combining carbon fiber unidirectional or two-dimensional fabric impregnated with modified thermosetting resin to form prepreg cloth, grooves are pressed in the middle of the back edges of the bullet facing panel 1, the embedded layer a2 and the embedded layer B3, and the embedded layer a2 is pressed in the middle of the back edges of the bullet facing panel 1, the middle part of interior inlayer B3 and inside lining panel 4 front edge bonds has joint board 5, carries out the lamination combination through recess and joint board 5 between bullet facing panel 1, embedded layer A2, embedded layer B3 and the inside lining panel 4.

In conclusion, the multilayer combined type ultrahigh molecular weight polyethylene fiber bulletproof plate improves the bulletproof performance and reduces the area density through the sequential step-by-step multilayer combined clamping structure of the bullet facing panel 1, the embedded layer A2, the embedded layer B3 and the lining panel 4, overcomes the defects of overlarge thickness, higher area density and heavier weight of the existing single-layer bulletproof plate, can flexibly replace the embedded layer A2 and the embedded layer B3 according to different requirements, simplifies the production and is convenient to operate, thereby improving the production efficiency, in addition, the bullet facing panel 1 and the lining panel 4 are made of ultrahigh molecular weight polyethylene fibers, have high specific strength, low fiber density, low breaking elongation, high breaking power and strong energy absorption capacity, thereby having outstanding impact resistance and cutting resistance, ultraviolet radiation resistance, neutron and gamma ray resistance, the embedded layer A2 is glass fiber and has the characteristics of good insulation, strong heat resistance, good corrosion resistance and high mechanical strength, and the embedded layer B3 is carbon fiber and has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.

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.