CN207416199U - A kind of Novel lightweight sandwich structure composite board - Google Patents
A kind of Novel lightweight sandwich structure composite board Download PDFInfo
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- CN207416199U CN207416199U CN201721439361.1U CN201721439361U CN207416199U CN 207416199 U CN207416199 U CN 207416199U CN 201721439361 U CN201721439361 U CN 201721439361U CN 207416199 U CN207416199 U CN 207416199U
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- composite board
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Abstract
The utility model is related to lightweight plates, and in particular to a kind of Novel lightweight sandwich structure composite board, the embodiment of the utility model are：Including upper epidermis, interlayer and layer, it is characterized in that, upper epidermis includes upper covering and structure glue, upper covering is fibre resin, and layer includes lower covering and structure glue, and lower covering is fibre resin, interlayer is Foamex core, upper covering and lower covering are Nian Jie with interlayer by structure glue respectively, also have vertical fiber reinforced rebar, vertical fiber reinforced rebar connection upper epidermis and layer between upper epidermis and layer.The structure of the utility model can significantly improve the structural strength of lightweight plate.
Description
Technical field
The utility model is related to lightweight plates, and in particular to a kind of Novel lightweight sandwich structure composite board.
Background technology
As Environmental Protection Situation is nervous, requirement of many markets to discharge is more and more stringenter, and discharge standard has been increasingly becoming
Some market access requirements.And to reach than relatively low discharge standard, there are several ways：Use other energy, such as electronic, gas
It is dynamic, mixed dynamic；Improve engine；Improve fuel oil；Automotive light weight technology etc..And lightweight is relatively easy to the mode realized.Lightweight
Realization be mainly reflected in design and material, with domestic vehicles to energy conservation and environmental protection and comfort requirement increasingly raising,
The developmental research of Novel lightweight material seems more and more urgent.By domestic each machine factory visit on the spot and and external industry
The exchange of technology of leading supplier, from the point of view of current service condition, vehicular traffic entirety built-in material mainly uses aluminium alloy (type
Material, plate, honeycomb), partly using fiberglass.Floor built-in material is secondly less to use some wood composites mainly with aluminium honeycomb
Materials, the dosages such as floor, stainless steel, haydite sand are few.It is very bright using the advantage of composite board in vehicular traffic
It is aobvious：(1) it is light-weight；(2) shaping is easy, especially labyrinth, curved-surface structure；(3) effect of vibration and noise reduction protrudes；(4) repair
It is convenient.
At the same time, external many companies gradually start in order to preferably solve the problems, such as lightweighting materials using one kind
Novel lightweight material --- fiber enhanced foam composite material it possess following 6 big characteristics：(1) high-strength light, hence it is evident that
It is lighter than traditional aluminium alloy and fiberglass, during applied to air passage and floor, vehicle can significantly loss of weight；(2) vibration and noise reducing possesses excellent
Damping characteristic, be provided simultaneously with excellent sound insulation value；(3) heat preservation energy-saving possesses ultralow thermal conductivity factor and (is less than
0.05W/mK), far below metal and simple glass steel, energy-saving heat preserving greatly improves the service efficiency of room conditioning, reduces energy
Consumption；(4) higher security feature, general traditional material simply possesses flame-retarding characteristic in itself, and light weight board is while heat-insulated
Excellent fire protecting performance is also equipped with, while there is low-down Heat liberation unit and smoke density, so on the one hand can protect plate
Following electric component, on the other hand will not ignite its circumferential component, and passenger is made to have sufficient time escape；It is (5) easy to use,
Installation speed is fast, is easy to be molded, and can be processed into various curved surfaces as plank, while can be bonded and beat bolt；(6) green ring
Protect it is recyclable, and as fire retardant be applied to plastics industry, do not pollute the environment.
In lightweight research, present someone did some researchs, such as the Chinese invention that publication No. is CN105563971A
Patent application discloses a kind of composite sandwich structural body and its preparation method and application.The composite sandwich structural include core (I),
It configures in the resin base fibre reinforcement (II) of the upper and lower surface of the core (I) and preparation in core (I) and resin base fiber
Transition glued membrane adhesive layer (III) among reinforcement (II), the resin base fibre reinforcement (II) are increased by resin matrix and fiber
Strong body is formed, and the core (I) is made of epoxy resin, lightweight filler and fiber, and the proportion of the core (I) is 0.3g/
cm3~1.2g/cm3, thickness is 0.1mm~5.0mm.Its composite material sandwich structure body being prepared can reduce component
Weight can be applied to 3C consumer electronics industry, household electric appliances, automobile industry, aviation, track transportation industry and relevant machine
The surface textures plate such as case.Notification number is CN201272306Y, in entitled " build-in composite decorative material plate for passenger train "
State's utility model discloses a kind of composite board applied in train, which includes upper and lower layer glass fibre resin
Prepreg covering or HPL are bonded with NOMEX honeycomb core materials between layer glass fibre resin prepreg covering or HPL.With anti-
Fire, light-weight, intensity is high, convenient for disassembly and assembly, meets passenger train high speed, the requirement of lightweight development.
But fiber reinforced rebar used in the above-mentioned prior art is all rambling, this rambling fiber
The ability for resisting two-way pressure can not be increased.
Utility model content
The utility model resists two-way pressure to overcome the rambling fiber reinforced rebar of the prior art that cannot enhance
Shortcoming provides a kind of Novel lightweight sandwich structure composite board, the Novel lightweight sandwich structure that utility model provides
Composite board can be applied on the vehicles such as high ferro, automobile, aircraft, has intensity high, is easily molded, the spies such as heat preservation energy-saving
Point.
The embodiment of the utility model is a kind of Novel lightweight sandwich structure composite board, including upper epidermis, interlayer
And layer, wherein, upper epidermis includes upper covering and structure glue, and upper covering is fibre resin, and layer includes lower covering and knot
Structure glue, lower covering are fibre resin, and interlayer is Foamex core, and upper covering and lower covering pass through structure glue and centre respectively
Layer bonding also has vertical fiber reinforced rebar between upper epidermis and layer, and vertical fiber reinforced rebar connection upper epidermis is under
Surface layer.
Fiber reinforced rebar can improve the tensile resistance of core and the impact force of side, when fiber starts stress,
The deformation mainly stretching of fiber macromolecular chain in itself, the i.e. deformation of bond distance, bond angle, when external force further increases, in fiber
Amorphous region in macromolecular chain overcome strand secondary bond power and further stretch and be orientated, at this moment a part of macromolecular chain is stretched
Directly, nervous possibility is pulled off, it is also possible to which withdrawing comes out from irregular crystalline portion, and the fracture of secondary bond makes noncrystalline
The macromolecular in area gradually generates dislocation sliding, and than more significant, elasticity modulus is accordingly gradually reduced fibre deformation, and fiber enters surrender
Area.When the fiber macromolecular chain of dislocation sliding stretches parallel substantially, macromolecular spacing is adjacent to, and molecule interchain is likely to form newly
Secondary bond, at this moment continue to stretch fiber, the change of the main bond distance's bond angle for being again strand of deformation of generation and secondary bond
It destroys, into stiffened region, shows as fiber modulus and improve again, until reaching the disconnected of fiber macromolecular main chain and most secondary bond
It splits, fiber is caused to disintegrate.But if the study found that it is used for bear two-way pressure, macromolecular main chain and secondary bond base
It will not be all broken in sheet, stronger support force can be provided to upper layer, greatly improve the compression endurance of plate.
Preferably, on the basis of said program, the vertical fiber reinforced rebar is bonded in Foamex core to the utility model
The surface of material.Vertical fiber reinforced rebar is bonded in the surface of Foamex core, i.e., is stained in the side of Foamex vertical
Fiber reinforced rebar, in this way, impact resistance can be enhanced to core materials lateral surface and improve the tensile resistance of core, meanwhile, vertically
After fiber reinforced rebar is sticked up with core, when core runs into pressure, vertical fiber reinforced rebar provides stronger support force,
The anti-pressure ability of core can be improved.
Preferably, on the basis of said program, the vertical fiber reinforced rebar is in Foamex core for the utility model
It is internal.Vertical fiber reinforced rebar is arranged on to the inside of Foamex core, so can form an entirety, i.e. phase with core
When in vertical fiber reinforced rebar surrounding have Foamex core package, can realize similar to reinforced concrete reinforcement effect
Fruit, the two can greatly improve whole anti-pressure ability after combining.
Preferably, on the basis of said program, upper covering is flame retardant type fiber reinforced resinous material to the utility model.Under alternatively,
Covering is also flame retardant type fiber reinforced resinous material.Upper and lower covering uses flame retardant type fiber reinforced resinous material, can reach fireproof purpose,
Increase the application field of lightweight sandwich structure composite board, meet the fire protection requirement of special industry.
Preferably, on the basis of said program, the Foamex density of core material is 0.25-0.28g/ to the utility model
cm3.The study found that the core under the density, can meet more light-weighted requirement, while pass through and vertical fiber reinforced rebar
With reference to can achieve the purpose that bear larger pressure.
Preferably, on the basis of said program, the vertical fiber reinforced rebar upper end support upper epidermis erects the utility model
Layer is supported to fiber reinforced rebar lower end.Vertical fiber reinforced rebar upper and lower side supports upper epidermis and layer respectively, in this way,
Support force caused by fiber reinforced rebar can be directly transferred to layer, and renitent mistake is intervened in the time earlier
Journey.
Preferably, on the basis of said program, the vertical fiber reinforced rebar is carbon fiber or glass fibers to the utility model
Dimension.Carbon fiber and glass fibre have preferable static strength performance, are more suitable for providing the support force of longitudinal direction.
Preferably, on the basis of said program, the length of the vertical fiber reinforced rebar is greater than or equal to the utility model
The thickness of Foamex core.The length of vertical fiber reinforced rebar is greater than or equal to the thickness of Foamex core, in this way, working as core
When material is squeezed power, vertical fiber reinforced rebar can intervene renitent process earlier, provide more effective support.
Description of the drawings
Fig. 1 is that 1 Novel lightweight sandwich structure of the utility model embodiment answers full plate construction side schematic view.
Specific embodiment
The preferred embodiment in the utility model presented below, to help the utility model, but the utility model is further understood
Protection domain be not limited in these embodiments.
Embodiment 1
Fig. 1 is 1 Novel lightweight sandwich structure plywood sheet structure side schematic view of utility model embodiment.As schemed
To show, the Novel lightweight sandwich structure composite board of the present embodiment, structure composition is upper covering 1, lower covering 2, core 3,
Upper covering 1 and lower covering 2 are bonded in by structure glue 5 on the upper and lower surfaces of core respectively, and vertical fiber reinforced rebar 4 is bonded
In core materials lateral surface, and upper end connects upper epidermis, lower end connection layer.Upper epidermis includes upper covering and structure glue, layer
Including lower covering and structure glue, upper covering is flame retardant type fiber reinforced resinous material, and lower covering is also flame retardant type fiber reinforced resinous material, core
Material be Foamex core, density 0.25-0.28g/cm3.The vertical fiber reinforced rebar is carbon fiber, as replacement
Glass fibre can also be used in scheme.The length of the vertical fiber reinforced rebar is equal to the thickness of Foamex core.As improvement
Scheme, also can the vertical fiber reinforced rebar length be more than Foamex core thickness.
The sandwich structure composite board of the utility model, stable structure reduce panel density, while improve plate again
The structural strength and hardness of material.It can be widely applied on the air transportation means of land and water, be preferable lightweighting materials.
The sandwich structure composite board testing result that the utility model is given birth to is as follows：
Compared with traditional technology, possess following 5 big characteristics：
1) high-strength light：Substantially it is lighter than traditional aluminium alloy and fiberglass, during applied to vehicular traffic air passage and floor, a row
Vehicle can 2.5 tons of loss of weight, loss of weight amplitude is up to 50%；
2) vibration and noise reducing：Possesses excellent damping characteristic, light weight composite floor feel such as solid wooden floor board is provided simultaneously with
Excellent sound insulation value；
3) heat preservation energy-saving：Possesses ultralow thermal conductivity factor (being less than 0.05W/mK), far below metal and simple glass steel, section
It can keep the temperature, greatly improve the service efficiency of room conditioning, reduce energy consumption；
4) it is easy to use：Installation speed is fast, is easy to be molded, and can be processed into various curved surfaces as plank, while can be bonded
With play bolt；
5) it is environmentally protective：It is recyclable, and it is applied to plastics industry as fire retardant, it does not pollute the environment.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model and from above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, replaced
Generation, combination simplify, and should be equivalent substitute mode, are included within the scope of protection of the utility model.
Claims (9)
1. a kind of Novel lightweight sandwich structure composite board, including upper epidermis, interlayer and layer, it is characterized in that, on
Surface layer includes upper covering and structure glue, and upper covering is fibre resin, and layer includes lower covering and structure glue, and lower covering is fiber
Resin, interlayer be Foamex core, upper covering and lower covering are Nian Jie with interlayer by structure glue respectively, upper epidermis with
There are vertical fiber reinforced rebar, vertical fiber reinforced rebar connection upper epidermis and layer between layer.
2. Novel lightweight sandwich structure composite board according to claim 1, it is characterized in that, the vertical fiber reinforcement
Muscle is bonded in the surface of Foamex core.
3. Novel lightweight sandwich structure composite board according to claim 1, it is characterized in that, the vertical fiber reinforcement
Muscle is in the inside of Foamex core.
4. Novel lightweight sandwich structure composite board according to claim 1, it is characterized in that, upper covering is fine for flame retardant type
Tie up resin material.
5. Novel lightweight sandwich structure composite board according to claim 1, it is characterized in that, lower covering is fine for flame retardant type
Tie up resin material.
6. Novel lightweight sandwich structure composite board according to claim 1, it is characterized in that, the Foamex core
Density is 0.25-0.28g/cm3。
7. according to Novel lightweight sandwich structure composite board, feature described in Claims 1-4 any one claim
It is that the vertical fiber reinforced rebar upper end support upper epidermis, vertical fiber reinforced rebar lower end supports layer.
8. according to Novel lightweight sandwich structure composite board, feature described in Claims 1-4 any one claim
It is that the vertical fiber reinforced rebar is carbon fiber or glass fibre.
9. according to Novel lightweight sandwich structure composite board, feature described in Claims 1-4 any one claim
It is that the length of the vertical fiber reinforced rebar is greater than or equal to the thickness of Foamex core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439361.1U CN207416199U (en) | 2017-11-01 | 2017-11-01 | A kind of Novel lightweight sandwich structure composite board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439361.1U CN207416199U (en) | 2017-11-01 | 2017-11-01 | A kind of Novel lightweight sandwich structure composite board |
Publications (1)
| Publication Number | Publication Date |
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| CN207416199U true CN207416199U (en) | 2018-05-29 |
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| CN201721439361.1U Active CN207416199U (en) | 2017-11-01 | 2017-11-01 | A kind of Novel lightweight sandwich structure composite board |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177428A (en) * | 2018-08-08 | 2019-01-11 | 广东同创科鑫环保有限公司 | A kind of production method of composite board |
| CN110562330A (en) * | 2019-10-09 | 2019-12-13 | 重庆千能实业有限公司 | Automobile rear floor structure |
| CN111113916A (en) * | 2020-01-02 | 2020-05-08 | 株洲时代新材料科技股份有限公司 | Rail vehicle arc-shaped floor forming method and rail vehicle arc-shaped floor |
| CN113022610A (en) * | 2019-12-09 | 2021-06-25 | 中车唐山机车车辆有限公司 | Floor composition for magnetic levitation vehicle and magnetic levitation vehicle |
| CN113414998A (en) * | 2021-07-12 | 2021-09-21 | 重庆泛锐科技有限公司 | High-strength heat-insulation composite board and preparation method thereof |
-
2017
- 2017-11-01 CN CN201721439361.1U patent/CN207416199U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177428A (en) * | 2018-08-08 | 2019-01-11 | 广东同创科鑫环保有限公司 | A kind of production method of composite board |
| CN110562330A (en) * | 2019-10-09 | 2019-12-13 | 重庆千能实业有限公司 | Automobile rear floor structure |
| CN110562330B (en) * | 2019-10-09 | 2022-03-04 | 重庆千能实业有限公司 | Automobile rear floor structure |
| CN113022610A (en) * | 2019-12-09 | 2021-06-25 | 中车唐山机车车辆有限公司 | Floor composition for magnetic levitation vehicle and magnetic levitation vehicle |
| CN111113916A (en) * | 2020-01-02 | 2020-05-08 | 株洲时代新材料科技股份有限公司 | Rail vehicle arc-shaped floor forming method and rail vehicle arc-shaped floor |
| CN113414998A (en) * | 2021-07-12 | 2021-09-21 | 重庆泛锐科技有限公司 | High-strength heat-insulation composite board and preparation method thereof |
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