CN206186446U - Lightweight jumbo size cavity combined material - Google Patents
Lightweight jumbo size cavity combined material Download PDFInfo
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- CN206186446U CN206186446U CN201621188070.5U CN201621188070U CN206186446U CN 206186446 U CN206186446 U CN 206186446U CN 201621188070 U CN201621188070 U CN 201621188070U CN 206186446 U CN206186446 U CN 206186446U
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Abstract
The utility model discloses a lightweight jumbo size cavity combined material, including first cavity fabric and second cavity fabric, during the preparation, with each fabric in order the overlap joint spread the layer to soak the cavity fabric with the resin and solidify, both. The utility model discloses a cavity fabric combined material overlap joint mode of special construction design, the fibre runs through in succession, has guaranteed the mechanical properties of jumbo size combined material in the lap -joint, the existence of faying surface layer structure can be better realization cavity fabric overlap joint spacing, guarantee the precision and the uniformity of overlap joint size, need not to carry out the surface course reinforcement to combined material lap -joint, do benefit to cavity combined material's lightweight, width unrestricted jumbo size cavity combined material can be prepared in the overlap joint design, and inside cavity completely in succession, need not secondary operation or other aftertreatment after the compound completion of product, guarantee product quality stability and production efficiency, cavity combined material's application has greatly been extended, the utility model discloses a process operation is simple in the preparation, the requirement of pair recombination equipment un -specificness, but serialization production, and production efficiency is high, and is with low costs, is fit for the mass production.
Description
Technical field
The utility model belongs to field of compound material, and in particular to a kind of lightweight large scale hollow composite material.
Background technology
Hollow composite material is a kind of new interlayer composite material, constitute sandwich basis be top layer warp thread,
Weft yarn and two top layers of connection simultaneously form the Z-direction fiber of core.Hollow fabric directly forms three-dimensional overall multiple after resin compounded
Condensation material sandwich, for cellular material and foamed material, hollow composite material have be difficult layering, can design
Property it is strong, can fill, pre-buried advantage, and good insulation, heat-insulated, soundproof effect have been widely used for track friendship at present
The field such as logical, vehicle mounted square cabin and building materials.Hollow composite material inside has continuous cavity, can be widely used in as structure sheaf double
The preparation of wall storage tank, can realize oozing the monitoring of leakage by its internal cavities.But hollow fabric is limited due to width, at present only
The hollow fabric of breadth≤1.8m can be prepared, application of the hollow fabric in large scale field is significantly limit.
Patent at present on hollow fabric and its composite technology exploitation is less, and on the hollow composite wood of large scale
Expect that the report for preparing is less.Patent CN101480829B is a kind of preparation method of hollow fabric sheets, by board mold above
It is spacing to prepare the good hollow composite material of high stability, but it is hollow compound to use the program to prepare lightweight large scale merely
Material.Hollow multiple material is mechanically connected or second bonding is the approach for solving hollow multiple material large scale application, but is mechanically connected and will be led
Joint stress concentration is caused, the intensity of joint composite is reduced, and it is solid in hollow multiple material junction to mechanically connect needs
Treatment, cumbersome, efficiency is low, high cost；Second bonding mode causes composite to connect due to the discontinuous of surface layer fiber
Place's intensity is difficult to ensure that, while being unfavorable for that composite continuous chemical conversion type and cost degradation are realized.
Patent CN103692664A discloses a kind of joining method of hollow composite material joint, and the utility model will be hollow
Fabric edge cuts neat rear splicing, and the bonding strength of hollow composite material is realized by surface layer reinforcement, and the program can be prepared
Large scale hollow composite material, hollow composite material is completely continuous in joint internal cavities, however program bonding strength compared with
Difference, the introducing of surface layer supporting material can cause composite to increase weight, while the seamless cutting of fabric is also difficult to mass production.
According to solid glass steel lap joint process, hollow composite material can be undoubtedly caused by way of by fabric joint overlap processing
Uneven thickness, it is often more important that, the two cannot all ensure that the cavity of joint composite inner is continuous.
A kind of lightweight large scale hollow composite material is developed for this, hollow composite material connection in the prior art is solved
Intensity difference, supporting material are introduced causes weight gain problem, hollow fabric splicing/lap gap control difficulty is big and is difficult to batch metaplasia
The problems such as product, is particularly important.
Utility model content
The purpose of this utility model is to provide a kind of lightweight large scale hollow composite material, solves hollow in the prior art
Composite bonding strength is poor, supporting material introduce cause weight gain problem, hollow fabric splicing/lap gap control difficulty greatly and
It is difficult to the problem of mass production.
A kind of lightweight large scale hollow composite material, including the first hollow fabric and the second hollow fabric；First is hollow
Fabric includes the first suede through layer and is respectively provided at first upper layer and first cutting optimal of first suede through layer upper and lower surface, in first
First suede of one end holds setting, the first hollow fabric together through layer, the first upper layer and the first cutting optimal on empty fabric length direction
The first suede of the other end holds the length of setting, the first cutting optimal then to exceed the first suede together through layer and the first upper layer on length direction
First is formed through layer and the first upper layer overlap surface layer；Second hollow fabric includes the second suede through layer and is respectively provided at the second suede warp
Second upper layer and the second cutting optimal of layer upper and lower surface, second suede of one end is through layer, the on the second hollow fabric length direction
Two upper layers and the second cutting optimal hold setting together, and the second suede of the other end is through under layer and second on the second hollow fabric length direction
Surface layer holds setting together, the length of the second upper layer then forms second and overlaps surface layer beyond the second suede through layer and the second cutting optimal；Profit
The first hollow fabric and the second hollow fabric are spliced from length direction with the first overlap joint surface layer and the second overlap joint surface layer is compounded in
Together, wherein the first overlap joint surface layer is compounded on the second cutting optimal, the second overlap joint surface layer is compounded on the first upper layer, the first suede
It is brought into close contact through layer and is combined with each other through layer and the second suede.
The application efficiently solves that hollow composite material bonding strength in the prior art is poor, supporting material is introduced causes weightening
Problem, hollow fabric splicing/lap gap control difficulty are big and are difficult to the problem of mass production.
Each hollow fabric of the application can not it is wide can also be wide, the width of each hollow fabric is both preferably 50mm-
6000mm。
In order to further realize the lightweight large scale hollow composite material of random length, lightweight large scale is hollow compound
Material also includes more than one 3rd hollow fabric, and the 3rd hollow fabric includes the 3rd suede through layer and is respectively provided at the 3rd suede warp
3rd upper layer and the 3rd cutting optimal of layer upper and lower surface, the 3rd suede of one end is through layer and the on the 3rd hollow fabric length direction
Three upper layers hold the length of setting, the 3rd cutting optimal then to form the 3rd faying surface through layer and the 3rd upper layer beyond the 3rd suede together
Layer, the 3rd suede of the other end holds setting, the 3rd upper layer together through layer and the 3rd cutting optimal on the 3rd hollow fabric length direction
Length then forms the 4th and overlaps surface layer beyond the 3rd suede through layer and the 3rd cutting optimal；
When the 3rd hollow fabric is one, using the second overlap joint surface layer and the 3rd overlap joint surface layer by the second hollow fabric and
3rd hollow fabric is combined with each other from length direction splicing, wherein the second overlap joint surface layer is compounded on the 3rd upper layer, the 3rd
Overlap joint surface layer is compounded on the second cutting optimal, and the second suede is brought into close contact through layer and is combined with each other through layer and the 3rd suede；Using first
From length direction splicing be combined with each other for first hollow fabric and the 3rd hollow fabric by overlap joint surface layer and the 4th overlap joint surface layer, its
In the first overlap joint surface layer be compounded on the 3rd cutting optimal, the 4th overlap joint surface layer is compounded on the first upper layer, the first suede through layer and
3rd suede is brought into close contact through layer and is combined with each other；
When the 3rd hollow fabric is two or more, then first with the 3rd overlap joint surface layer of each the 3rd hollow fabric and the
All 3rd hollow fabrics splices and are combined with each other by four overlap joint surface layers from length direction, are formed and are respectively arranged at two ends with the 3rd and take
3rd elongated hollow fabric of junction layer and the 4th overlap joint surface layer；Then recycle first to overlap surface layer and the 3rd elongated hollow is knitted
From length direction be stitched together for 3rd elongated hollow fabric and the first hollow fabric by the 4th overlap joint surface layer of thing one end, wherein
First overlap joint surface layer is compounded on the 3rd cutting optimal, and the 4th overlap joint surface layer is compounded on the first upper layer, and the first suede is through layer and the
Three suedes are brought into close contact through layer and are combined with each other；Using the second overlap joint surface layer and the 3rd faying surface of the 3rd elongated hollow fabric one end
From length direction be stitched together for 3rd elongated hollow fabric and the second hollow fabric by layer, wherein the second overlap joint surface layer is compounded in
On 3rd upper layer, the 3rd overlap joint surface layer is compounded on the second cutting optimal, and the second suede is brought into close contact multiple through layer and the 3rd suede through layer
It is combined.
In order to be further ensured that the uniformity of lightweight large scale hollow composite material, the first suede is through layer, the second suede through layer
And the 3rd suede it is equal through thickness degree；First upper layer, the second upper layer and the 3rd upper layer thickness are equal；First cutting optimal,
Two cutting optimals and the 3rd cutting optimal thickness are equal.
In order to be further ensured that the uniformity and continuity of lightweight large scale hollow composite material, the first hollow fabric,
Second hollow fabric and the 3rd hollow fabric equal in width.
In order to ensure the continuity of fabric, while saving material, the first overlap joint surface layer is continuously weaved with the first hollow fabric
Formed；Second overlap joint surface layer continuously weaves to be formed with the second hollow fabric；3rd overlap joint surface layer and the 4th overlap joint surface layer and the 3rd
Hollow fabric continuously weaves to be formed.Fiber used can be in glass fibre, carbon fiber, aramid fiber or quartz fibre one
Kind.Local lint-free structure hollow fabric is prepared according to hollow fabric size requirements, i.e., is passed through local suede according to overlap joint surface layer size
Individually drawn from creel, be not involved in hollow fabric integral weaving, obtain local lint-free hollow fabric.
Used as another technical scheme of the application, the first overlap joint surface layer is cut by the first hollow fabric and is formed；Second takes
Junction layer is cut by the second hollow fabric and is formed；3rd overlap joint surface layer and the 4th overlap joint surface layer cut shape by the 3rd hollow fabric
Into.
In order to ensure the continuity of lightweight large scale hollow composite material and can meet general Production requirement, first takes
The width of junction layer, the second overlap joint surface layer, the 3rd overlap joint surface layer and the 4th overlap joint surface layer is 5mm~100mm；First hollow knits
Thing, the second hollow fabric and the 3rd hollow fabric equal thickness, and it is 3mm~50mm.
The application is complex as being infiltrated using resin and being solidified, and resin is epoxy resin, unsaturated-resin or phenolic resin.
The preparation method of above-mentioned lightweight large scale hollow composite material, first by the first hollow fabric and the second hollow fabric
It is seamless to overlap, then with resin is by middle infiltration and solidifies, both obtain lightweight large scale hollow composite material.Resin is to fibre
The impregnation process of dimension is molded using hand pasting forming or vacuum diversion.
The NM technology of the utility model is with reference to prior art.
The beneficial effects of the utility model：Compared with prior art, technical solutions of the utility model solve prior art
In there is problem and successfully prepare lightweight large scale hollow composite material, it is possible to achieve the composite of arbitrary dimension,
And adjacent overlap joint surface layer structure hollow fabric structure unification, prepared without differentiation, produce in enormous quantities beneficial to fabric；Hollow fabric
Overlap joint surface layer and hollow fabric surface layer integral weaving, fiber are continuous through, it is ensured that power of the large-sized composite material in lap-joint
Learn performance；Existing in hollow fabric can preferably realize that hollow fabric overlap joint is spacing, it is ensured that the precision of overlap joint size and consistent
Property；The utility model need not carry out surface layer reinforcement to composite lap-joint, beneficial to the lightweight of hollow composite material；In being based on
The continuity of empty fabric itself warp direction, hollow composite material warp-wise size is unrestricted, and hollow fabric maximum breadth at present
≤ 1.8m, limit its application in significantly wide-range, the utility model hollow fabric from fabric construction utility model
Surface layer overlapping technology, can prepare breadth under conditions of bond strength is ensured and the unrestricted large scale of length is hollow compound
Material, and internal cavities are completely continuous, are greatly enlarged the application field of hollow composite material；Without two after the completion of product is compound
Secondary processing or other post processings, it is ensured that product quality stability and production efficiency；The utility model preparation process is simple to operate,
To equipment complex without particular/special requirement, can be continuously produced, production efficiency is high, low cost, be adapted to mass production.
Brief description of the drawings
Fig. 1 is 3D hollow fabrics institutional framework schematic diagram in the prior art；
Fig. 2 is the utility model the first hollow fabric schematic diagram；
Fig. 3 is the hollow fabric schematic diagram of the utility model the 3rd；
Fig. 4 is the utility model the second hollow fabric schematic diagram；
Fig. 5 is the utility model lightweight large scale hollow composite material schematic diagram；
In figure：1- warp yarns；2- velvet warp yarn lines；3- weft yarns；The suedes of 4- first are through layer；The upper layers of 5- first；6-
One cutting optimal；7- first overlaps surface layer；The suedes of 8- the 3rd are through layer；The upper layers of 9- the 3rd；The cutting optimals of 10- the 3rd；The faying surfaces of 11- the 3rd
Layer；12- the 4th overlaps surface layer；The suedes of 13- second are through layer；The upper layers of 14- second；The cutting optimals of 15- second；16- second overlaps surface layer；
17- hollow fabric surface layer overlapping regions；The hollow fabrics of 18- first；The hollow fabrics of 19- second；The hollow fabrics of 20- the 3rd.
Specific embodiment
In order to more fully understand the utility model, content of the present utility model is further elucidated with reference to embodiment, but
Content of the present utility model is not limited solely to the following examples.
In embodiment, the first hollow fabric, the second hollow fabric and the 3rd hollow fabric are by alkali-free glass in each embodiment
Glass fiber integral weaving is formed.
Embodiment 1
As illustrated, lightweight large scale hollow composite material, including the first hollow fabric and the second hollow fabric；First
Hollow fabric includes the first suede through layer and being respectively provided at first upper layer and first cutting optimal of first suede through layer upper and lower surface, the
First suede of one end holds setting together through layer, the first upper layer and the first cutting optimal on one hollow fabric length direction, and first is hollow
The first suede of the other end holds the length of setting, the first cutting optimal then beyond the together through layer and the first upper layer on fabric length direction
One suede forms first and overlaps surface layer through layer and the first upper layer；Second hollow fabric includes the second suede through layer and is respectively provided at second
Suede through layer upper and lower surface the second upper layer and the second cutting optimal, on the second hollow fabric length direction one end the second suede warp
Layer, the second upper layer and the second cutting optimal hold settings together, on the second hollow fabric length direction the second suede of the other end through layer with
Second cutting optimal holds the length of setting, the second upper layer then to form the second faying surface through layer and the second cutting optimal beyond the second suede together
Layer；It is using the first overlap joint surface layer and the second overlap joint surface layer that the first hollow fabric and the second hollow fabric is multiple from length direction splicing
It is combined, wherein the first overlap joint surface layer is compounded on the second cutting optimal, the second overlap joint surface layer is compounded on the first upper layer, the
One suede is brought into close contact through layer and is combined with each other through layer and the second suede.
First suede is equal through thickness degree through layer and the 3rd suede through layer, the second suede；First upper layer, the second upper layer and the 3rd
Upper layer thickness is equal；First cutting optimal, the second cutting optimal and the 3rd cutting optimal thickness are equal；In first hollow fabric, second
Empty fabric and the 3rd hollow fabric thickness are 8mm, the width 40mm of each overlap joint surface layer；
First overlap joint surface layer continuously weaves to be formed with the first hollow fabric；Second overlap joint surface layer is continuous with the second hollow fabric
Weaving is formed；3rd overlap joint surface layer and the 4th overlap joint surface layer continuously weave to be formed with the 3rd hollow fabric；Foregoing continuous weaving shape
Refer into overlap joint surface layer and prepare local lint-free structure hollow fabric according to hollow fabric size requirements, i.e., according in overlap joint surface layer structure
Local suede through individually being drawn from creel, is not involved in hollow fabric integral weaving by empty fabric size, obtains local lint-free hollow knit
Thing.
The preparation method of above-mentioned lightweight large scale hollow composite material, first by the first hollow fabric and the second hollow fabric
It is seamless to overlap, then infiltrated with resin and solidified, both obtain lightweight large scale hollow composite material.
Above-mentioned resin used is epoxy resin, and resin model is LT-5078, and producer is that Shanghai favour cypress new material science and technology is limited
Company, resin curing agent proportioning：100:30, fabric and resin system mass ratio=1:1；Above-mentioned curing process is：50 DEG C of solidifications
4h, then 70 DEG C solidify 6h；
The present embodiment is as follows from fabric specification parameter：
The present embodiment prepares large scale Hollow composite board, wherein hollow fabric overlap joint sequentially using vacuum diversion moulding process
For：First hollow fabric/the second hollow fabric.It is as follows that the present embodiment is obtained particular product performance parameters：
| Bending strength is tested | Compressive strength is tested | |
| Testing standard | GB/T2567-2008 | GB/T1041-2008 |
| Non-overlapping region | 25.2MPa | 7.5MPa |
| Overlapping regions | 23.5MPa | 7.1MPa |
| Strength retention | 93.3% | 94.7% |
Result is shown in preparing large scale using the utility model controls composite plate, compared to non-overlapping region, overlapping regions
Hollow composite material excellent in mechanical performance, its bending strength and compressive strength conservation rate difference 93.3% and 94.7%.
Embodiment 2
Lightweight large scale hollow composite material, including the first hollow fabric, the second hollow fabric and the 3rd hollow fabric；
First hollow fabric include the first suede through layer and be respectively provided at the first suede through the first upper layer of layer upper and lower surface and first below
Layer, first suede of one end holds setting, first together through layer, the first upper layer and the first cutting optimal on the first hollow fabric length direction
The first suede of the other end holds the length of setting, the first cutting optimal then to surpass together through layer and the first upper layer on hollow fabric length direction
Go out the first suede and form the first overlap joint surface layer through layer and the first upper layer；Second hollow fabric includes the second suede through layer and is respectively provided at
Second suede through layer upper and lower surface the second upper layer and the second cutting optimal, second suede of one end on the second hollow fabric length direction
Setting is held together through layer, the second upper layer and the second cutting optimal, and the second suede of the other end is through layer on the second hollow fabric length direction
Setting is held together with the second cutting optimal, the length of the second upper layer then forms second and overlaps beyond the second suede through layer and the second cutting optimal
Surface layer；3rd hollow fabric includes the 3rd suede through layer and is respectively provided at the 3rd suede through the 3rd upper layer of layer upper and lower surface and the 3rd
Cutting optimal, the 3rd suede of one end holds setting, the 3rd cutting optimal together through layer and the 3rd upper layer on the 3rd hollow fabric length direction
Length then form the 3rd through layer and the 3rd upper layer beyond the 3rd suede and overlap surface layer, it is another on the 3rd hollow fabric length direction
End the 3rd suede through layer and the 3rd cutting optimal hold together settings, the 3rd upper layer length then exceed the 3rd suede through layer and the 3rd below
Layer forms the 4th and overlaps surface layer；
Using the second overlap joint surface layer and the 3rd overlap joint surface layer by the second hollow fabric and the 3rd hollow fabric from length direction
Splicing is combined with each other, wherein the second overlap joint surface layer is compounded on the 3rd upper layer, the 3rd overlap joint surface layer is compounded in below second
On layer, the second suede is brought into close contact through layer and is combined with each other through layer and the 3rd suede；Using the first overlap joint surface layer and the 4th overlap joint surface layer
First hollow fabric and the 3rd hollow fabric are combined with each other from length direction splicing, wherein the first overlap joint surface layer is compounded in the
On three cutting optimals, the 4th overlap joint surface layer is compounded on the first upper layer, and the first suede is brought into close contact compound through layer and the 3rd suede through layer
Together.
First suede is equal through thickness degree through layer and the 3rd suede through layer, the second suede；First upper layer, the second upper layer and the 3rd
Upper layer thickness is equal；First cutting optimal, the second cutting optimal and the 3rd cutting optimal thickness are equal；In first hollow fabric, second
Empty fabric and the 3rd hollow fabric thickness are 15mm, the width 60mm of each overlap joint surface layer；
First overlap joint surface layer is cut by the first hollow fabric and is formed；Second overlap joint surface layer cuts shape by the second hollow fabric
Into；3rd overlap joint surface layer and the 4th overlap joint surface layer are cut by the 3rd hollow fabric and are formed.
The preparation method of above-mentioned lightweight large scale hollow composite material, first by the first hollow fabric, the 3rd hollow fabric
It is seamless with the second hollow fabric to overlap, then with resin is by middle infiltration and solidifies, both obtained lightweight large scale hollow multiple
Condensation material.
Above-mentioned resin system used is epoxy resin, and resin model is E44, and resin producer is：Blue star new material Wu Xishu
Fat factory, resin curing agent proportioning：100:20, fabric and resin system mass ratio=1:1.2；Above-mentioned curing process is：60 DEG C solid
Change 6h；
The present embodiment is as follows from fabric specification parameter：
The present embodiment prepares large scale Hollow composite board using manual pasting forming process, and wherein hollow fabric overlap joint order is：
First hollow fabric/the 3rd hollow fabric/the second hollow fabric.It is as follows that the present embodiment is obtained particular product performance parameters：
| Bending strength is tested | Compressive strength is tested | |
| Testing standard | GB/T2567-2008 | GB/T1041-2008 |
| Non-overlapping region | 16.2MPa | 1.55MPa |
| Overlapping regions | 15.7MPa | 1.46MPa |
| Strength retention | 96.9% | 94.2% |
Result is shown in preparing large scale using the utility model controls composite plate, compared to non-overlapping region, overlapping regions
Hollow composite material excellent in mechanical performance, its bending strength and compressive strength conservation rate are respectively 96.9% and 94.2%.
Embodiment 3
It is essentially identical with the structure of embodiment 2, except that the 3rd hollow fabric is two.
Surface layer is overlapped by all 3rd hollow fabrics first with the 3rd overlap joint surface layer of each the 3rd hollow fabric and the 4th
Splice from length direction and be combined with each other, formation is respectively arranged at two ends with the 3rd overlap joint surface layer and the 3rd of the 4th overlap joint surface layer the and adds
Hollow fabric long；Then recycle first to overlap surface layer and the 4th overlap joint surface layer of the 3rd elongated hollow fabric one end adds the 3rd
Hollow fabric long and the first hollow fabric are stitched together from length direction, wherein the first overlap joint surface layer is compounded in the 3rd cutting optimal
On, the 4th overlap joint surface layer is compounded on the first upper layer, and the first suede is brought into close contact through layer and is combined with each other through layer and the 3rd suede；Profit
With the 3rd overlap joint surface layer of the second overlap joint surface layer and the 3rd elongated hollow fabric one end by the 3rd elongated hollow fabric and second
Empty fabric is stitched together from length direction, wherein the second overlap joint surface layer is compounded on the 3rd upper layer, the 3rd overlap joint surface layer is answered
Close on the second cutting optimal, the second suede is brought into close contact through layer and is combined with each other through layer and the 3rd suede.
First suede is equal through thickness degree through layer and the 3rd suede through layer, the second suede；First upper layer, the second upper layer and the 3rd
Upper layer thickness is equal；First cutting optimal, the second cutting optimal and the 3rd cutting optimal thickness are equal；In first hollow fabric, second
Empty fabric and the 3rd hollow fabric thickness are 5mm；
It is that 5mm hollow fabrics are trimmed to the first hollow fabric shown in figure, the second hollow fabric and the online first by thickness
Three hollow fabrics, in addition to surface layer is overlapped, it is 10m*1m that three kinds of hollow fabric effective dimensions are；First to fourth overlap joint surface layer is long
Degree is 20mm.Then overlap joint surface layer structure hollow fabric order is unreeled into overlap joint laying, realizes that hollow fabric surface layer is overlapped, paving
Layer is carried out according to the hollow fabric of figure first, the 3rd hollow fabric, the 3rd hollow fabric and the second hollow fabric order, laying process
The seamless overlap joint of hollow fabric is realized by overlapping surface layer root auxiliary positioning.During epoxy-resin systems are finally used to having overlapped
Empty fabric impregnation, obtains with lightweight large scale and the totally continuous hollow composite material of internal cavities after solidification.
Above-mentioned resin system used is unsaturated-resin system, and resin model is：HS-307BH, resin producer is：Changzhou
China Tech polymer limited company, resin/curing agent/accelerator=100：2：0.6；Fabric and resin system mass ratio=1:
1.2；Above-mentioned curing process is：60 DEG C of solidification 3h, then 90 DEG C solidify 5h；
The present embodiment is as follows from fabric specification parameter：
The present embodiment prepares large scale Hollow composite board using sprayup process, and wherein hollow fabric overlap joint order is：
First hollow fabric/the 3rd hollow fabric/the 3rd hollow fabric/the second hollow fabric.The present embodiment is obtained particular product performance parameters
It is as follows：
| Bending strength is tested | Compressive strength is tested | |
| Testing standard | GB/T2567-2008 | GB/T1041-2008 |
| Non-overlapping region | 27.6MPa | 8.2MPa |
| Overlapping regions | 26.1MPa | 7.6MPa |
| Strength retention | 94.6% | 92.7% |
Result is shown in preparing large scale using the utility model controls composite plate, compared to non-overlapping region, overlapping regions
Hollow composite material excellent in mechanical performance, its bending strength and compressive strength conservation rate are respectively 94.6% and 92.7%.
Result shows：The various embodiments described above gained lightweight large scale hollow composite material fiber is continuous through, it is ensured that big
Scale composite lap-joint mechanical property, compared to continuous hollow Fabric composites, lap-joint's flat crushing strength, 3 points
The basic mechanical performances such as bending strength, tensile strength keep more than 92%；The presence that surface layer structure is overlapped in hollow fabric can
Preferably realize that hollow fabric overlap joint is spacing, it is ensured that the precision and uniformity of overlap joint size；The utility model is without to composite wood
Material lap-joint carries out surface layer reinforcement, beneficial to the lightweight of hollow composite material；Can be with resonable under conditions of bond strength is ensured
The unrestricted large scale hollow composite material of breadth is prepared on, and internal cavities are completely continuous, are greatly enlarged hollow multiple
The application field of condensation material；Without secondary operation or other post processings after the completion of product is compound, it is ensured that product quality stability and
Production efficiency；Preparation process is simple to operate, to equipment complex without particular/special requirement, can be continuously produced, and production efficiency is high, cost
It is low, it is adapted to mass production, it is a kind of processing method of structure-function integration.
Claims (8)
1. a kind of lightweight large scale hollow composite material, it is characterised in that：Including the first hollow fabric and the second hollow fabric；
First hollow fabric include the first suede through layer and be respectively provided at the first suede through the first upper layer of layer upper and lower surface and first below
Layer, first suede of one end holds setting, first together through layer, the first upper layer and the first cutting optimal on the first hollow fabric length direction
The first suede of the other end holds the length of setting, the first cutting optimal then to surpass together through layer and the first upper layer on hollow fabric length direction
Go out the first suede and form the first overlap joint surface layer through layer and the first upper layer；Second hollow fabric includes the second suede through layer and is respectively provided at
Second suede through layer upper and lower surface the second upper layer and the second cutting optimal, second suede of one end on the second hollow fabric length direction
Setting is held together through layer, the second upper layer and the second cutting optimal, and the second suede of the other end is through layer on the second hollow fabric length direction
Setting is held together with the second cutting optimal, the length of the second upper layer then forms second and overlaps beyond the second suede through layer and the second cutting optimal
Surface layer；The first hollow fabric and the second hollow fabric are spliced from length direction using the first overlap joint surface layer and the second overlap joint surface layer
It is combined with each other, wherein the first overlap joint surface layer is compounded on the second cutting optimal, the second overlap joint surface layer is compounded on the first upper layer,
First suede is brought into close contact through layer and is combined with each other through layer and the second suede.
2. lightweight large scale hollow composite material as claimed in claim 1, it is characterised in that：Also include more than one the
Three hollow fabrics, the 3rd hollow fabric includes the 3rd suede through layer and is respectively provided at threeth upper layer of the 3rd suede through layer upper and lower surface
With the 3rd cutting optimal, the 3rd suede of one end holds setting, the 3rd together through layer and the 3rd upper layer on the 3rd hollow fabric length direction
The length of cutting optimal then forms the 3rd and overlaps surface layer, the 3rd hollow fabric length direction beyond the 3rd suede through layer and the 3rd upper layer
3rd suede of the upper other end holds the length of setting, the 3rd upper layer then beyond the 3rd suede through layer and the together through layer and the 3rd cutting optimal
Three cutting optimals form the 4th and overlap surface layer；
When the 3rd hollow fabric is one, surface layer is overlapped by the second hollow fabric and the 3rd using the second overlap joint surface layer and the 3rd
Hollow fabric is combined with each other from length direction splicing, wherein the second overlap joint surface layer is compounded on the 3rd upper layer, the 3rd overlap joint
Surface layer is compounded on the second cutting optimal, and the second suede is brought into close contact through layer and is combined with each other through layer and the 3rd suede；Using the first overlap joint
From length direction splicing be combined with each other for first hollow fabric and the 3rd hollow fabric by surface layer and the 4th overlap joint surface layer, wherein the
One overlap joint surface layer is compounded on the 3rd cutting optimal, and the 4th overlap joint surface layer is compounded on the first upper layer, and the first suede is through layer and the 3rd
Suede is brought into close contact through layer and is combined with each other；
When the 3rd hollow fabric is two or more, then taken first with the 3rd overlap joint surface layer and the 4th of each the 3rd hollow fabric
All 3rd hollow fabrics are spliced and are combined with each other by junction layer from length direction, and formation is respectively arranged at two ends with the 3rd faying surface
3rd elongated hollow fabric of layer and the 4th overlap joint surface layer；Then first is recycled to overlap surface layer and the 3rd elongated hollow fabric one
From length direction be stitched together for 3rd elongated hollow fabric and the first hollow fabric by the 4th overlap joint surface layer at end, wherein first
Overlap joint surface layer is compounded on the 3rd cutting optimal, and the 4th overlap joint surface layer is compounded on the first upper layer, and the first suede is through layer and the 3rd suede
It is brought into close contact through layer and is combined with each other；Will using the 3rd overlap joint surface layer of the second overlap joint surface layer and the 3rd elongated hollow fabric one end
3rd elongated hollow fabric and the second hollow fabric are stitched together from length direction, wherein the second overlap joint surface layer is compounded in the 3rd
On upper layer, the 3rd overlap joint surface layer is compounded on the second cutting optimal, and the second suede is brought into close contact through layer and is compounded in through layer and the 3rd suede
Together.
3. lightweight large scale hollow composite material as claimed in claim 2, it is characterised in that：First suede is through layer, the second suede
It is equal through thickness degree through layer and the 3rd suede；First upper layer, the second upper layer and the 3rd upper layer thickness are equal；Below first
Layer, the second cutting optimal and the 3rd cutting optimal thickness are equal.
4. lightweight large scale hollow composite material as claimed in claim 2 or claim 3, it is characterised in that：First hollow fabric,
Two hollow fabrics and the 3rd hollow fabric equal in width.
5. lightweight large scale hollow composite material as claimed in claim 2 or claim 3, it is characterised in that：First overlap joint surface layer with
First hollow fabric continuously weaves to be formed；Second overlap joint surface layer continuously weaves to be formed with the second hollow fabric；3rd overlap joint surface layer
Continuously weave to be formed with the 3rd hollow fabric with the 4th overlap joint surface layer.
6. lightweight large scale hollow composite material as claimed in claim 2 or claim 3, it is characterised in that：First overlap joint surface layer by
First hollow fabric cuts to be formed；Second overlap joint surface layer is cut by the second hollow fabric and is formed；3rd overlap joint surface layer and the 4th is taken
Junction layer is cut by the 3rd hollow fabric and is formed.
7. lightweight large scale hollow composite material as claimed in claim 3, it is characterised in that：First overlap joint surface layer, second
The width of overlap joint surface layer, the 3rd overlap joint surface layer and the 4th overlap joint surface layer is 5mm~100mm.
8. lightweight large scale hollow composite material as claimed in claim 2 or claim 3, it is characterised in that：First hollow fabric,
Two hollow fabrics and the 3rd hollow fabric equal thickness, and it is 3mm~50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188070.5U CN206186446U (en) | 2016-10-28 | 2016-10-28 | Lightweight jumbo size cavity combined material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188070.5U CN206186446U (en) | 2016-10-28 | 2016-10-28 | Lightweight jumbo size cavity combined material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186446U true CN206186446U (en) | 2017-05-24 |
Family
ID=58733982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188070.5U Withdrawn - After Issue CN206186446U (en) | 2016-10-28 | 2016-10-28 | Lightweight jumbo size cavity combined material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515098A (en) * | 2016-10-28 | 2017-03-22 | 中材科技股份有限公司 | Lightweight large-size hollow composite material, and preparation method thereof |
| CN107675831A (en) * | 2017-10-21 | 2018-02-09 | 林通泉 | 3-dimensional multi-layered doughnut enhancing concrete blanket can be overlapped |
-
2016
- 2016-10-28 CN CN201621188070.5U patent/CN206186446U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515098A (en) * | 2016-10-28 | 2017-03-22 | 中材科技股份有限公司 | Lightweight large-size hollow composite material, and preparation method thereof |
| CN106515098B (en) * | 2016-10-28 | 2019-01-04 | 中材科技股份有限公司 | A kind of lightweight large scale hollow composite material and preparation method thereof |
| CN107675831A (en) * | 2017-10-21 | 2018-02-09 | 林通泉 | 3-dimensional multi-layered doughnut enhancing concrete blanket can be overlapped |
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