CN105507559A - Profile-assisted stand and embedded integrally-formed 3D (three-dimensional) hollow composite floor board and manufacture method thereof - Google Patents
Profile-assisted stand and embedded integrally-formed 3D (three-dimensional) hollow composite floor board and manufacture method thereof Download PDFInfo
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- CN105507559A CN105507559A CN201510955677.5A CN201510955677A CN105507559A CN 105507559 A CN105507559 A CN 105507559A CN 201510955677 A CN201510955677 A CN 201510955677A CN 105507559 A CN105507559 A CN 105507559A
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- section bar
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/16—Flooring, e.g. parquet on flexible web, laid as flexible webs; Webs specially adapted for use as flooring; Parquet on flexible web
- E04F15/166—Flooring consisting of a number of elements carried by a common flexible web, e.g. rollable parquet
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Abstract
The invention discloses a profile-assisted stand and embedded integrally-formed 3D (three-dimensional) hollow composite floor board and a manufacture method thereof. The technical problem that 3D hollow composite floor board fabric in the prior art is poor in standing and stand uniformity affecting dimensional stability and mechanical properties of the floor board is solved; the technical problem that the 3D hollow composite floor board embedding process is difficult, low in embedding control precision, complicated in working procedures, low in production efficiency and high in cost due to the fact that profile frames are often adopted to floor board splicing at present in order to facilitate floor board installation is solved. According to the adopted technical scheme, the 3D hollow composite floor board comprises a napping-structure 3D hollow fabric, warp profiles and weft profiles. The profile-assisted stand and embedded integrally-formed 3D hollow composite floor board has the advantages that the profiles are embedded in the hollow floor board and integrally formed with the same, and the problem that the 3D hollow composite material is low in embedding precision, low in efficiency, high in cost and the like is solved; the manufacture method is simple in manufacturing, convenient to operate, small in equipment investment and high in designability.
Description
Technical field
The present invention relates to a kind of 3D hollow composite floor board and manufacture method thereof, be specifically related to 3D hollow composite floor board field, particularly a kind of section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board and manufacture method.
Background technology
3D hollow composite material is a kind of novel interlayer composite material, forms warp thread that the basis of sandwich is top layer, weft yarn and connection two top layers and forms the Z-direction fiber of core.Based on the low weight of this structural meterials, high strength, sound insulation, heat insulation, fire-retardant and temperature stability, effectively prevent the defect that traditional sandwich structure material is easy to layering, stripping and poor impact resistance, apply to some extent at Aero-Space, automotive field, ship domain, track traffic and building field.
At present, the multiple material forming mode of 3D hollow mostly is hand pasting forming, its principle is that behind hollow fabric surface, fabric can transient absorption resin in resin-coating, and Z-direction fiber makes fabric automatic moulding to certain altitude under " capillarity " effect, forms the core filled composite material of sandwich structure.But hand pasting forming prepares hollow composite material fabric, and standing property is poor naturally, and high stability is poor.As 8mm hollow fabric composite material nature standing height is only 6.5mm.Its suede is only 54 ° through angle of inclination of standing.Compressive strength and the standing property of fabric of 3D hollow composite material are proportionate, and this lower suede is through angle and the uniformity of standing, and cause 3D hollow composite material mechanical performance, particularly compressive strength is lower, are difficult to meet the floor demand with higher-strength requirement.
Research for standing property of 3D hollow composite material fabric is less.Patent CN101480829A adopts female mould position-limiting action, and control hollow fabric recombination process preferably and to stand uniformity, but standing property of program fabric is poor, compressive strength is poor is difficult to the high pouring meeting floor.Patent CN103707522A design adopts dull and stereotyped line continuous seepage 3D hollow composite material, greatly improves composite material production efficiency, reduces costs, but the program to prepare standing property of 3D hollow fabric still poor.Patent CN104527092A design utilizes the magnetic action of metal material to realize the standing property of hollow fabric preferably, but program operating difficulties, be difficult to large-scale mass production.
Install for convenience of floor, current floor splicing adopts section bar frame, and the pre-buried difficulty in process of 3D hollow composite floor board section bar, pre-buried control accuracy is low, operation is loaded down with trivial details, production efficiency is low, cost is high.
The problems referred to above should be paid attention to and the problem solved in 3D hollow composite floor board design and production process.
Summary of the invention
Technical problem to be solved by this invention is: the dimensional stability and the mechanical performance that affect floor for standing property of composite floor board fabric in 3D in the prior art mentioned in background technology and lack of homogeneity of standing, and particularly compressive strength is poor; Install for convenience of floor, current floor splicing adopts section bar frame, the pre-buried difficulty in process of 3D hollow composite floor board section bar, the technical problem that pre-buried control accuracy is low, operation is loaded down with trivial details, production efficiency is low, cost is high.
Design philosophy of the present invention is, weaves in the prior art in the process of 3D hollow fabric, takes suede away and makes it not participate in weaving of fabric through warp thread, is formed and does not have suede to be that suede is through napping region through the area of space of stem stem; Thus the goods weaved be napping structure 3D hollow fabric; And the suede in napping structure 3D hollow fabric is pre-buried insertion warp-wise section bar and broadwise section bar in napping region, and make it to be processed into an entirety; Prepare with this and a kind of adopt section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board, efficiently solve the pre-buried difficulty in process of 3D hollow composite floor board section bar of the prior art, pre-buried control accuracy is low, operation is loaded down with trivial details, production efficiency is low, cost is high technical problem.
The object of the invention is open one and adopt section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board and manufacture method thereof, adopt section bar aiding upright to ensure standing property and the stability of standing of fabric excellence, ensure mechanical performance and the dimensional stability of 3D hollow composite material excellence; Section bar is pre-buried and one-body molded in Hollow floor, solves that the pre-buried precision of 3D hollow composite material is low, efficiency is low, high in cost of production problem.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board, comprise the napping structure 3D hollow fabric forming 3D hollow composite floor board general frame, suede being no less than the warp-wise section bar of and being arranged on the broadwise section bar that be no less than one of napping structure 3D hollow fabric suede in deck space in napping region be arranged in napping structure 3D hollow fabric;
The setting direction of warp-wise section bar and the surface of warp-wise section bar parallel with the warp direction of suede in napping region arranges the draw-in groove for engaging broadwise section bar; The setting direction of broadwise section bar is parallel with the weft direction of napping structure 3D hollow fabric suede in deck space, and broadwise section bar is vertical with warp-wise section bar to be arranged and the end, two ends of broadwise section bar is inserted in draw-in groove respectively.
Napping structure 3D hollow fabric described in technical solution of the present invention is routine techniques product of the prior art, napping structure 3D hollow fabric refers to that in the process of weaving 3D hollow fabric, take suede away makes it not participate in weaving of fabric through warp thread, is formed and does not have suede to be that suede is through napping region through the area of space of stem stem; Thus the goods weaved be napping structure 3D hollow fabric.Napping structure 3D hollow fabric described here is published conventional products in prior art, and the method for weaving napping structure 3D hollow fabric is also method for weaving of the prior art.3D hollow fabric of the prior art comprises upper layer, cutting optimal and intermediate core layer; Intermediate core layer is connection two top layers and forms the Z-direction fiber of core; Namely 3D hollow fabric is made up of upper and lower surfaces layer, warp thread be divided into through with suede through two systems, the warp thread only participating in single surface layer weft yarns be called warp, form stable fabric face; Be called suede warp with the warp thread turning to again another surface layer to interweave after a surface layer weft yarns, suede runs through the stem stem of two surface layer intermediate spaces through having, can form stable height.And in the present invention in technical scheme, there is the napping structure 3D hollow fabric of suede through napping region, refer in weaving process, we take away needing to form suede from heald frame or reed through warp thread through the suede of napping area part, it is made not participate in the interleaving process of fabric, the fragment district not having suede through stem stem can be formed by the method, this section of region, only have the surface layer through being formed with weft yarns, and there is no layer suede even through stem stem, built-in fitting can be inserted in these spaces, facilitates the making of some joint product; This section of region just defines suede through napping region.Therefore, technical solution of the present invention is not described in detail having the method for weaving of suede through the napping structure 3D hollow fabric in napping region.
The employing section bar aiding upright proposed in technical solution of the present invention and pre-buried one-body molded 3D hollow composite floor board; Warp-wise section bar is inserted suede in napping structure 3D hollow fabric and, in napping region, after then immersing resin, broadwise section bar is inserted radial profile shapes and reserve in draw-in groove by this technical scheme, realizes hollow fabric aiding upright and section bar location; The technical program adopts section bar aiding upright to ensure standing property and the stability of standing of fabric excellence, ensures mechanical performance and the dimensional stability of 3D hollow composite material excellence; Section bar is pre-buried and one-body molded in Hollow floor, solves that the pre-buried precision of 3D hollow composite material is low, efficiency is low, high in cost of production problem.
To the improvement of technical solution of the present invention, 3D hollow fabric is one in glass fiber hollow fabric, carbon fiber hollow fabric, aramid fiber hollow fabric or glass fiber and carbon fiber hybrid hollow fabric.Glass fiber hollow fabric described here, carbon fiber hollow fabric, aramid fiber hollow fabric, glass fiber and carbon fiber hybrid hollow fabric are conventional products disclosed in prior art, and concrete composition and preparation process the present invention are not all described in detail.
To the improvement of technical solution of the present invention, warp-wise section bar and broadwise section bar are as aluminium alloy extrusions.Aluminium alloy extrusions described here is conventional products disclosed in prior art, and concrete composition and preparation process the present invention are not all described in detail.
The invention discloses a kind of employing section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board manufacture method, comprise the steps:
1) the napping structure 3D hollow fabric of weaving is chosen;
2) the warp-wise section bar matched with the warp-wise size of suede through napping region in napping structure 3D hollow fabric in step 1 is prepared, the broadwise section bar that preparation and the broadwise size of napping structure 3D hollow fabric suede in deck space match;
3) warp-wise section bar in step 2 processes the draw-in groove for engaging broadwise section bar on the surface;
4) by the warp-wise section bar in step 3 along the pre-buried suede that is inserted into of the warp direction of suede through napping region in napping structure 3D hollow fabric in napping region;
5) take composite material process planning by the napping structure 3D hollow fabric resin impregnation in step 4;
6) until the napping structure 3D hollow fabric in step 5 is soaked into completely; By the broadwise section bar in step 2 along the pre-buried suede that is inserted into of the weft direction of napping structure 3D hollow fabric suede in deck space in deck space, and the two ends of broadwise section bar is all snapped in the draw-in groove on warp-wise section bar; Realize hollow fabric aiding upright and section bar location;
7) take out after the napping structure 3D hollow fabric in step 6 is solidified completely;
8) edge processing is carried out to the goods of the taking-up in step 7, obtain 3D hollow composite floor board.
Employing section bar aiding upright disclosed by the invention and pre-buried one-body molded 3D hollow composite floor board manufacture method a kind ofly manufacture simple, easy to operate, that equipment investment is little, designability is strong novel process.
In step 1 in employing section bar aiding upright of the present invention and pre-buried one-body molded 3D hollow composite floor board manufacture method, the napping structure 3D hollow fabric of weaving selects according to required floor performance requirement.3D hollow fabric simultaneously according to the napping structure chosen designs the material of warp-wise section bar and broadwise section bar, structure and distribution.
To the improvement of manufacture method of the present invention, the resin described in step 5 is the one in epoxy resin, phenolic resins or unsaturated-resin.Epoxy resin described here, phenolic resins or unsaturated-resin are conventional products disclosed in prior art, and concrete composition and preparation process the present invention are not all described in detail
To the improvement of manufacture method of the present invention, surface finish, deburring, chamfered adopt acetone to clean it are all carried out to the warp-wise section bar in step 2 and broadwise section bar.In this manufacture method step 2, deburring and chamfered are carried out to warp-wise section bar and broadwise section bar, such that warp-wise section bar and broadwise section bar are more easily pre-buried is inserted into suede in napping structure 3D hollow fabric in napping region; Effectively can improve the surface roughness of middle warp-wise section bar and broadwise section bar to warp-wise section bar and the polishing of broadwise Surface of profile, and then improve warp-wise section bar and interface bond strength between broadwise section bar and hollow fabric.The acetone adopted in this process of surface treatment is conventional products of the prior art, and its concrete composition and preparation method the present invention are not described in detail.
To the improvement of manufacture method of the present invention, the composite material process planning described in step 5 is the one in manual pasting forming process or vacuum diversion technique.Composite material process planning described in this manufacture method step 5 is common process method a kind of disclosed in prior art, and its processing step specifically comprises: die treatment, fabric cutting, fabric and auxiliary material laying, join glue, resin wetted/dipping, the spacing sizing of fabric, composites solidification and aft-loaded airfoil.
3D hollow composite floor board manufacture method described in the present invention a kind ofly manufactures simple, easy to operate, that equipment investment is little, designability is strong novel process.Adopt pre-buried warp-wise section bar, broadwise section bar and 3D hollow fabric integral shaping method, guarantee warp-wise section bar, boundary strength between broadwise section bar and hollow composite material, avoid stratification in use.
The present invention is compared to existing common 3D hollow composite floor board, and its beneficial effect is:
1, the employing section bar aiding upright in the present invention and pre-buried one-body molded 3D hollow composite floor board, warp-wise section bar to be inserted in napping structure 3D hollow fabric suede in napping region by this technical scheme, then after immersing resin, broadwise section bar being inserted radial profile shapes reserves in draw-in groove, realizes hollow fabric aiding upright and section bar location; The technical program adopts section bar aiding upright to ensure standing property and the stability of standing of fabric excellence, ensures mechanical performance and the dimensional stability of 3D hollow composite material excellence; Section bar is pre-buried and one-body molded in Hollow floor, solves that the pre-buried precision of 3D hollow composite material is low, efficiency is low, high in cost of production problem.
The manufacture method of the 3D hollow composite floor board 2, in the present invention a kind ofly manufactures simple, easy to operate, that equipment investment is little, designability is strong novel process.
3, the present invention adopts pre-buried warp-wise section bar, broadwise section bar and 3D hollow fabric integral shaping method, and guarantee warp-wise section bar, boundary strength between broadwise section bar and hollow composite material, avoid stratification in use.
4, the manufacture method of the 3D hollow composite floor board in the present invention is adopted, simple to operate, preparation cost is low.
Accompanying drawing explanation
Fig. 1 is 3D hollow fabric warp-wise organization chart in prior art.
Fig. 2 is 3D hollow fabric broadwise organization chart in prior art.
Fig. 3 is napping structure 3D hollow fabric warp-wise organization chart of the present invention.
Fig. 4 is napping structure 3D hollow fabric broadwise organization chart of the present invention.
Fig. 5 is the structural representation of the warp-wise section bar in the present invention.
Fig. 6 is the structural representation of the broadwise section bar in the present invention.
Fig. 7 is the schematic diagram of suede pre-buried insertion warp-wise section bar in napping region in napping structure 3D hollow fabric in the present invention.
Fig. 8 is the warp-wise structural representation of suede pre-buried insertion warp-wise section bar in napping region in napping structure 3D hollow fabric in the present invention.
Fig. 9 is the schematic diagram of suede pre-buried insertion warp-wise section bar and broadwise section bar in napping region in napping structure 3D hollow fabric in the present invention.
Figure 10 is the warp-wise structural representation of suede pre-buried insertion warp-wise section bar and broadwise section bar in napping region in napping structure 3D hollow fabric in the present invention.
Figure 11 is the schematic diagram of 3D Hollow composite board of the present invention.
Figure 12 is the warp-wise structural representation of 3D Hollow composite board of the present invention.
In figure: 1-body warp line; 2-velvet warp yarn line; 3-weft yarn; 4-suede is through napping region; 5-warp-wise section bar; 6-broadwise section bar; 8-napping structure 3D hollow fabric warp-wise suede warp.
Detailed description of the invention
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
For making content of the present invention more become apparent, be further described below in conjunction with accompanying drawing 1-12 and detailed description of the invention.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
The present embodiment provides a kind of section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board and manufacture method; Adopt section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board, comprise form 3D hollow composite floor board general frame napping structure 3D hollow fabric, be arranged on the warp-wise section bar of two in napping region of suede in napping structure 3D hollow fabric and be arranged on the broadwise section bar of two of napping structure 3D hollow fabric suede in deck space.
The formation of suede through napping region in napping structure 3D hollow fabric takes suede away and make it not participate in weaving of fabric through warp thread weaving in 3D hollow fabric process, thus formed and do not have suede to be that suede is through napping region through the area of space of stem stem; Suede is positioned at the edge of 3D hollow fabric through napping region.
The setting direction of warp-wise section bar and the surface of warp-wise section bar parallel with the warp direction of suede in napping region arranges the draw-in groove for engaging broadwise section bar; The setting direction of broadwise section bar is parallel with the weft direction of napping structure 3D hollow fabric suede in deck space, and broadwise section bar is vertical with warp-wise section bar to be arranged and the end, two ends of broadwise section bar is inserted in draw-in groove respectively.
Napping structure 3D hollow fabric in the present embodiment, prior art method for weaving is adopted to weave 20mm thick alkali-free glass fibre napping structure 3D hollow fabric, and in the process of weaving 20mm alkali-free glass fibre napping structure 3D hollow fabric, take suede away make it not participate in weaving of fabric through warp thread 2, formed fabric width be 40mm there is no suede through the suede of stem stem through napping region 4; As shown in Figure 3 and Figure 4.This 20mm thick alkali-free glass fibre napping structure 3D hollow fabric is the woven routine techniques product of Zhongcai Sci. & Tech. Co., Ltd.This alkali-free glass fibre napping structure 3D hollow fabric is as the general frame adopting section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board; And adopt epoxy resin to be matrix material; Warp-wise section bar and the broadwise section bar of pre-buried and aiding upright are aluminium alloy extrusions.
Suede in napping structure 3D hollow fabric in the present embodiment is 40mm through napping region fabric width, and therefore the corresponding aluminium alloys warp-wise section bar of setting and the sectional dimension of broadwise section bar are wide: 40mm and height: 19mm.
The present embodiment takes section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board (B) to contrast the performance of 3D Hollow composite board (A) prepared by common moulding process.
The manufacture method step of the employing section bar aiding upright in the present embodiment and pre-buried one-body molded 3D hollow composite floor board (this 3D hollow composite floor board, is numbered B) is as follows:
(1) the alkali-free glass fibre napping structure 3D hollow fabric that the 20mm that weaves is thick is chosen; Suede in this napping structure 3D hollow fabric is 40mm through napping region fabric width.
(2) it is wide for preparing sectional dimension: the warp-wise section bar of the aluminium alloy extrusions of 40mm and height: 19mm and broadwise section bar; And chamfering, polishing, acetone treatment are carried out to this aluminium alloy extrusions, to improve itself and hollow composite material boundary strength.As shown in Figure 5 and Figure 6.
(3) warp-wise section bar in step 2 processes the draw-in groove for engaging broadwise section bar on the surface.As shown in Figure 5.
(4) by the warp-wise section bar in step 3 along the pre-buried suede that is inserted into of the warp direction of suede through napping region in napping structure 3D hollow fabric in napping region.See shown in Fig. 7 and Fig. 8.
(5) adopt vacuum diversion technique to the napping structure 3D hollow fabric resin impregnation of pre-buried warp-wise section bar, realize resin soaking into fiber.
(6) treat that the napping structure 3D hollow fabric in step 5 is soaked into completely; By the broadwise section bar in step 2 along the pre-buried suede that is inserted into of the weft direction of napping structure 3D hollow fabric suede in deck space in deck space, and the two ends of broadwise section bar is all snapped in the draw-in groove on warp-wise section bar; Realize 3D hollow fabric aiding upright and section bar location.This process must ensure that broadwise section bar two ends are inserted in the draw-in groove on warp-wise section bar simultaneously, to ensure that fabric is stood uniformity.See shown in Fig. 9 and 10.
(7) after solidification process, (120 DEG C/4h) take out goods.
(8) edge processing is carried out to the goods in step 7, namely target product is obtained to floor edge fine finishining.See shown in Figure 11 and 12.
Common moulding process is adopted to prepare the step of 3D hollow composite floor board (this 3D Hollow composite board, is numbered A) as follows:
(1) the common alkali-free glass fibre 3D hollow fabric that the 20mm that weaves is thick is chosen.
(2) adopt vacuum diversion technique to the 3D hollow fabric resin impregnation in step 1, realize resin soaking into fiber.
(3) after solidification process, (120 DEG C/4h) take out 3D hollow composite floor board;
(4) edge cuts is carried out to 3D Hollow composite board size, obtain target product apparent size;
(5) accurately slotted by above-mentioned Hollow composite board processing, processing dimension is mated with profile size;
(6) adopt acetone cleaning slot area, realize Hollow composite board and the better glue-joint strength of section bar;
(7) polish profile shapes to increase Surface of profile roughness, improve Hollow composite board and the better glue-joint strength of section bar;
(8) design and prepare floor profile splicing frock, to ensure that floor profile better glueds joint precision;
(9) splicing that glue, frictioning, combination and location realize section bar and Hollow composite board is joined;
(10) under 60 DEG C of conditions, heat 4h and realize adhesive solidification between Hollow composite board and section bar;
(11) cut, polishing is met the 3D hollow composite floor board of requirement.
To said products A and B carry out respectively floor thick-ness, fabric suede through angle of inclination, compressive strength and density measurement, the results are shown in Table 1.Result show, 20mm 3D alkali-free glass fibre hollow fabric/epoxy systems composite material its fabric standing height after profile shapes aiding upright significantly improves (being promoted to 19.5mm by 14.5mm), fabric suede obviously improves (being promoted to 77.2 ° by 46.5 °) through angle of inclination, composite floor board planeness obviously improves (thickness deviation is reduced to 0.5mm by 2mm), composite material compressive strength significantly improves (being promoted to 1.2MPa by 0.4MPa).In addition, profile shapes aiding upright and pre-buried integral forming process solve the pre-buried difficulty in process of 3D hollow composite floor board section bar, pre-buried control accuracy is low, operation is loaded down with trivial details, production efficiency is low, cost is high problem.
Table 1: the performance of 20mm thick alkali-free glass fibre 3D hollow composite floor board before and after pre-buried section bar
| Sample number into spectrum | A group sample | B group sample |
| 3D vegetable raw materials | Alkali-free glass fibre | Alkali-free glass fibre |
| 3D fabric height | 20mm | 20mm |
| Moulding process | Hollow fabric is stood naturally | Section bar aiding upright |
| The multiple material standing height of hollow | 14.5mm±2mm | 19.5mm±0.5mm |
| Suede is through angle of inclination | 46.5° | 77.2° |
| Composite material compressive strength | 0.4MPa(GB/T1453-2005) | 1.2MPa(GB/T1453-2005) |
Embodiment 2
The present embodiment provides a kind of section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board and manufacture method; Adopt section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board, comprise form 3D hollow composite floor board general frame napping structure 3D hollow fabric, be arranged on the warp-wise section bar of two in napping region of suede in napping structure 3D hollow fabric and be arranged on the broadwise section bar of two of napping structure 3D hollow fabric suede in deck space.
The formation of suede through napping region in napping structure 3D hollow fabric takes suede away and make it not participate in weaving of fabric through warp thread weaving in 3D hollow fabric process, thus formed and do not have suede to be that suede is through napping region through the area of space of stem stem; Suede is positioned at the edge of 3D hollow fabric through napping region.
The setting direction of warp-wise section bar and the surface of warp-wise section bar parallel with the warp direction of suede in napping region arranges the draw-in groove for engaging broadwise section bar; The setting direction of broadwise section bar is parallel with the weft direction of napping structure 3D hollow fabric suede in deck space, and broadwise section bar is vertical with warp-wise section bar to be arranged and the end, two ends of broadwise section bar is inserted in draw-in groove respectively.
Napping structure 3D hollow fabric in the present embodiment, prior art method for weaving is adopted to weave 10mm thick carbon fiber napping structure 3D hollow fabric, and in the process of weaving 10mm alkali-free glass fibre napping structure 3D hollow fabric, take suede away make it not participate in weaving of fabric through warp thread, formed fabric width be 30mm there is no suede through the suede of stem stem through napping region.This 10mm thick carbon fiber napping structure 3D hollow fabric is the woven routine techniques product of Zhongcai Sci. & Tech. Co., Ltd.This carbon fiber napping structure 3D hollow fabric is as the general frame adopting section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board; And adopt epoxy resin to be matrix material; Warp-wise section bar and the broadwise section bar of pre-buried and aiding upright are as aluminium alloy extrusions.
Suede in napping structure 3D hollow fabric in the present embodiment is 30mm through napping region fabric width, and therefore the corresponding aluminium alloys warp-wise section bar of setting and the sectional dimension of broadwise section bar are wide: 30mm and height: 9.2mm.
The present embodiment takes section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board (B) to contrast the performance of 3D Hollow composite board (A) prepared by common moulding process.
The manufacture method step of the employing section bar aiding upright in the present embodiment and pre-buried one-body molded 3D hollow composite floor board (this 3D hollow composite floor board, is numbered B) is as follows:
(1) the carbon fiber napping structure 3D hollow fabric that the 10mm that weaves is thick is chosen; Suede in this napping structure 3D hollow fabric is 30mm through napping region fabric width.
(2) it is wide for preparing sectional dimension: the warp-wise section bar of the aluminium alloy extrusions of 30mm and height: 9.2mm and broadwise section bar; And chamfering, polishing, acetone treatment are carried out to this aluminium alloy extrusions, to improve itself and hollow composite material boundary strength.
(3) warp-wise section bar in step 2 processes the draw-in groove for engaging broadwise section bar on the surface.
(4) by the warp-wise section bar in step 3 along the pre-buried suede that is inserted into of the warp direction of suede through napping region in napping structure 3D hollow fabric in napping region.
(5) adopt vacuum diversion technique to the napping structure 3D hollow fabric resin impregnation of pre-buried warp-wise section bar, realize resin soaking into fiber.
(6) treat that the napping structure 3D hollow fabric in step 5 is soaked into completely; By the broadwise section bar in step 2 along the pre-buried suede that is inserted into of the weft direction of napping structure 3D hollow fabric suede in deck space in deck space, and the two ends of broadwise section bar is all snapped in the draw-in groove on warp-wise section bar; Realize 3D hollow fabric aiding upright and section bar location.This process must ensure that broadwise section bar two ends are inserted in the draw-in groove on warp-wise section bar simultaneously, to ensure that fabric is stood uniformity.
(7) after solidification process, (120 DEG C/4h) take out goods.
(8) edge processing is carried out to the goods in step 7, namely target product is obtained to floor edge fine finishining.
Common moulding process is adopted to prepare the step of 3D hollow composite floor board (this 3D Hollow composite board, is numbered A) as follows:
(1) the common carbon fibers 3D hollow fabric that the 10mm that weaves is thick is chosen.
(2) adopt vacuum diversion technique to the 3D hollow fabric resin impregnation in step 1, realize resin soaking into fiber.
(3) after solidification process, (120 DEG C/4h) take out 3D Hollow composite board.
(4) edge cuts is carried out to 3D Hollow composite board size, obtain target product apparent size.
(5) accurately slotted by above-mentioned Hollow composite board processing, processing dimension is mated with profile size.
(6) adopt acetone cleaning slot area, realize Hollow composite board and the better glue-joint strength of section bar.
(7) polish profile shapes to increase Surface of profile roughness, improve Hollow composite board and the better glue-joint strength of section bar.
(8) design and prepare floor profile splicing frock, to ensure that floor profile better glueds joint precision.
(9) splicing that glue, frictioning, combination and location realize section bar and Hollow composite board is joined.
(10) under 60 DEG C of conditions, heat 4h and realize adhesive solidification between Hollow composite board and section bar.
(11) cut, polishing is met the 3D hollow composite floor board of requirement.
To said products A and B carry out respectively floor thick-ness, fabric suede through angle of inclination, compressive strength and density measurement, the results are shown in Table 2.Result show, 10mm thick carbon fiber 3D hollow fabric/epoxy systems composite material its fabric standing height after profile shapes aiding upright significantly improves (being promoted to 19.5mm by 14.5mm), fabric suede obviously improves (being promoted to 77.2 ° by 46.5 °) through angle of inclination, composite floor board planeness obviously improves (thickness deviation is reduced to 0.5mm by 2mm), composite material compressive strength significantly improves (being promoted to 1.2MPa by 0.4MPa).In addition, profile shapes aiding upright and pre-buried integral forming process solve the pre-buried difficulty in process of 3D hollow composite floor board section bar, pre-buried control accuracy is low, operation is loaded down with trivial details, production efficiency is low, cost is high problem.
Table 2: the performance of 10mm thick carbon fiber 3D Hollow composite board before and after pre-buried reinforcing rib
| Sample number into spectrum | A group sample | B group sample |
| 3D vegetable raw materials | Carbon fiber T300 | Carbon fiber T300 |
| 3D fabric height | 10mm | 10mm |
| Moulding process | Hollow fabric is stood naturally | Section bar aiding upright |
| The multiple material standing height of hollow | 8mm±1mm | 9.8mm±0.2mm |
| Suede is through angle of inclination | 54.0° | 78.5° |
| Composite material compressive strength | 1.2MPa(GB/T1453-2005) | 4.2MPa(GB/T1453-2005) |
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (7)
1. a section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board, it is characterized in that, comprise the napping structure 3D hollow fabric forming 3D hollow composite floor board general frame, suede being no less than the warp-wise section bar of and being arranged on the broadwise section bar that be no less than one of napping structure 3D hollow fabric suede in deck space in napping region be arranged in napping structure 3D hollow fabric;
The setting direction of warp-wise section bar and the surface of warp-wise section bar parallel with the warp direction of suede in napping region arranges the draw-in groove for engaging broadwise section bar; The setting direction of broadwise section bar is parallel with the weft direction of napping structure 3D hollow fabric suede in deck space, and broadwise section bar is vertical with warp-wise section bar to be arranged and the end, two ends of broadwise section bar is inserted in draw-in groove respectively.
2. employing section bar aiding upright as claimed in claim 1 and pre-buried one-body molded 3D hollow composite floor board, it is characterized in that, 3D hollow fabric is one in glass fiber hollow fabric, carbon fiber hollow fabric, aramid fiber hollow fabric or glass fiber and carbon fiber hybrid hollow fabric.
3. employing section bar aiding upright as claimed in claim 1 and pre-buried one-body molded 3D hollow composite floor board, it is characterized in that, warp-wise section bar and broadwise section bar are aluminium alloy extrusions.
4. the employing section bar aiding upright as described in claim 1-3 and pre-buried one-body molded 3D hollow composite floor board manufacture method, is characterized in that, comprise the steps:
1) the napping structure 3D hollow fabric of weaving is chosen;
2) the warp-wise section bar matched with the warp-wise size of suede through napping region in napping structure 3D hollow fabric in step 1 is prepared, the broadwise section bar that preparation and the broadwise size of napping structure 3D hollow fabric suede in deck space match;
3) warp-wise section bar in step 2 processes the draw-in groove for engaging broadwise section bar on the surface;
4) by the warp-wise section bar in step 3 along the pre-buried suede that is inserted into of the warp direction of suede through napping region in napping structure 3D hollow fabric in napping region;
5) take composite material process planning by the napping structure 3D hollow fabric resin impregnation in step 4;
6) until the napping structure 3D hollow fabric in step 5 is soaked into completely; By the broadwise section bar in step 2 along the pre-buried suede that is inserted into of the weft direction of napping structure 3D hollow fabric suede in deck space in deck space, and the two ends of broadwise section bar is all snapped in the draw-in groove on warp-wise section bar; Realize hollow fabric aiding upright and section bar location;
7) take out after the napping structure 3D hollow fabric in step 6 is solidified completely;
8) edge processing is carried out to the goods of the taking-up in step 7, obtain 3D hollow composite floor board.
5. employing section bar aiding upright as claimed in claim 4 and pre-buried one-body molded 3D hollow composite floor board manufacture method, it is characterized in that, the resin described in step 5 is the one in epoxy resin, phenolic resins or unsaturated-resin.
6. employing section bar aiding upright as claimed in claim 5 and pre-buried one-body molded 3D hollow composite floor board manufacture method, it is characterized in that, surface finish, deburring, chamfered adopt acetone to clean it are all carried out to the warp-wise section bar in step 2 and broadwise section bar.
7. as claimed in claim 5 adopt section bar aiding upright and pre-buried one-body molded 3D hollow composite floor board manufacture method, it is characterized in that, the composite material process planning described in step 5 is the one in manual pasting forming process or vacuum diversion technique.
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| CN203020412U (en) * | 2012-12-12 | 2013-06-26 | 中材科技股份有限公司 | Lightweight composite board for vehicle |
| CN103374982A (en) * | 2012-04-12 | 2013-10-30 | 亨特道格拉斯建筑产品(中国)有限公司 | Partition board edge capping strip and board body connecting structure |
| KR20150073327A (en) * | 2013-12-23 | 2015-07-01 | 김경중 | building material to noise prevention |
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| EP1596024A1 (en) * | 2004-05-11 | 2005-11-16 | Groep Stevens International, Naamloze Vennootschap | Reinforced sandwich panel |
| CN201371607Y (en) * | 2009-01-20 | 2009-12-30 | 苏州美克思科技发展有限公司 | Phenolic foam sandwich fiber three-dimensional enhanced composite material |
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| CN103374982A (en) * | 2012-04-12 | 2013-10-30 | 亨特道格拉斯建筑产品(中国)有限公司 | Partition board edge capping strip and board body connecting structure |
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