CN203305581U - Wood core composite material sandwich panel in pultrusion - Google Patents
Wood core composite material sandwich panel in pultrusion Download PDFInfo
- Publication number
- CN203305581U CN203305581U CN2013202912188U CN201320291218U CN203305581U CN 203305581 U CN203305581 U CN 203305581U CN 2013202912188 U CN2013202912188 U CN 2013202912188U CN 201320291218 U CN201320291218 U CN 201320291218U CN 203305581 U CN203305581 U CN 203305581U
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- China
- Prior art keywords
- wooden core
- pultrusion
- sandwich plate
- continued access
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 239000002023 wood Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims description 28
- 238000010276 construction Methods 0.000 claims description 22
- 239000003292 glue Substances 0.000 claims description 15
- 210000003371 toe Anatomy 0.000 claims description 9
- 240000007182 Ochroma pyramidale Species 0.000 claims description 4
- 244000055346 Paulownia Species 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 229920002554 vinyl polymer Polymers 0.000 claims description 4
- 244000050510 Cunninghamia lanceolata Species 0.000 claims description 3
- 240000000731 Fagus sylvatica Species 0.000 claims description 3
- 235000010099 Fagus sylvatica Nutrition 0.000 claims description 3
- 241000219000 Populus Species 0.000 claims description 3
- 241000124033 Salix Species 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 13
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 239000002344 surface layer Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 229920006305 unsaturated polyester Polymers 0.000 description 4
- 229920006387 Vinylite Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920002748 Basalt fiber Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
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Abstract
The utility model discloses a wood core composite material sandwich panel in pultrusion, and the wood core composite material sandwich panel is produced by using a novel process, and convenient to spread, easy, convenient and practical to operate, high in material utilization rate. The wood core composite material sandwich panel comprises a composite material shell, a wood core and a composite material rib, the wood core and the composite material rib are arranged in the composite material shell, the wood core is a sectional spliced wood core, the splicing part of the wood core is in a mortise and tenon joint structure, the mortise and tenon joint structure is that a mutually matched concave-convex structure is adopted at end parts of wood at two sides of the splicing part, and comprises a convex splice and a concave splice. The utility model further discloses a production process of the wood core composite material sandwich panel in the pultrusion.
Description
Technical field
The utility model relates to a kind of composite sandwich plate, relate in particular to a kind of composite sandwich plate with material shell, wooden core and composite floor that adopts the pultrude process manufacture, specifically a kind of continued access that utilizes wooden core realizes the composite sandwich plate that serialization is produced.
Background technology
Composite material sandwich structure is as a kind of new structure, because of have quality light, than strong high, be easy to processing and remodeling, corrosion-resistant, designability is strong etc., and advantage has been widely used in the fields such as building, traffic, naval vessel, space flight and aviation.Because timber has light weight and tough, thermal conductivity factor is little, and the characteristics such as convenience of drawing materials, be applied in sandwich widely so it is used as core.
In the production technology of sandwich plate, pultrude process is high as a kind of production efficiency, the technique of constant product quality, and the continued access of its core is the problem that people pay close attention to always, also like this for the continued access of wooden core.Often pultrusion product out is chosen in the incision of discontinuous place in practical implementation, thereby has limited the size of sandwich plate; Perhaps by junction, implanting additional " I ", grooved angle steel or other rigid members, the location of rigid member when entering mould becomes difficult when actual continued access; Connector is connected with the core of both sides and also is difficult to guarantee with the interface problem of surface layer in co-curing simultaneously.
Therefore, by pultrude process production, the novel core continued access be formed by connecting by joinery and its construction and the connection assist of wooden core self, by to the control of both sides core in the bonding pad size, take full advantage of wooden core and self agree with the in addition constraint of connection assist, be a kind ofly be convenient to promote, composite sandwich plate that the novel process that easy and simple to handle, stock utilization is high is produced.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of and be convenient to promote, easy and simple to handle, can effectively utilize the intensity of core own, the wooden core joinery and its construction that utilizes in the pultrusion process that cost is low to carry out the composite sandwich plate of continued access.
The technical solution adopted in the utility model is: a kind of wooden core composite sandwich plate of pultrusion, comprise material shell, wooden core and composite floor, and described wooden core and composite floor are arranged in material shell;
Described wooden core is the wooden core of segmentation continued access formula, and the joinery and its construction form is adopted in continued access place of wooden core, and the joinery and its construction form refers to the concaveconvex structure that the timber termination employing of continued access place both sides cooperatively interacts, and comprises convex joint and female fitting.
As preferably, continued access place of described wooden core also is provided with connection assist, and connection assist is arranged in the perforate of wooden core continued access place.
As preferably, continued access place of described wooden core also is provided with connection glue.
As preferably, the fiber that described material shell and composite floor adopt is at least a in carbon fiber, glass fibre, basalt fibre, aramid fiber, assorted fibre; Fiber is a kind of in unidirectional fibre bundle or two-way fiber cloth or multidirectional fiber cloth; The resin adopted is at least a in unsaturated polyester (UP), adjacent benzene resin, vinylite, epoxy resin, inorganic resin or thermoplastic resin material.
As preferably, described wooden core is a kind of in Balsa wood, paulownia wood, China fir, poplar, beech, willow, wood-based plate.
As preferably, described joinery and its construction comprises the right angle staged, the oblique angle staged, and a kind of in combined type and buckle-groove type, wherein combined type is the combining form at right angle ladder and oblique angle.
As preferably, in described joinery and its construction, the right angle staged is a ladder, a kind of in two ladders or a plurality of ladder, and the oblique angle staged is a toe, a kind of in two toes or a plurality of toe, buckle-groove type is divided into two kinds of right angle catching groove and oblique angle catching grooves.
As preferably, it is splicing adhesive that continued access place of described wooden core connects glue, white glue with vinyl, a kind of in yellow glue.
As preferably, described connection assist is prefabricated metalwork, composite short column, PE rod, PP is excellent and fibre bundle in a kind of.
A kind of production technology of wooden core composite sandwich plate of above-mentioned pultrusion, be to take fiber, resin and wooden core to be the sheet material with material shell, wooden core and composite floor of raw material by the continuous global formation of pultrude process, comprise the following steps:
1) for wooden core, carry out the processing of joinery and its construction in core continued access place, joinery and its construction consists of convex joint and female fitting, and coarse processing need to be carried out in its core upper surface and side simultaneously, is connected with the interface of surface layer to strengthen it;
2) fiber is entered to the steeping vat of potting resin together with wooden core, locate and enter the mould that is heating and curing by mould, by the pulling equipment pultrusion, finally by cutting equipment, cut into required size.
Beneficial effect:
1, the utility model application pultrude process carries out the production of sandwich plate, the steady quality of product, and production efficiency is high.
2, the wooden core composite sandwich plate of a kind of pultrusion of the utility model, the joinery and its construction continued access that it adopts core, take full advantage of wooden core and self agree with the continued access problem that has solved core, do not add new structure for sandwich plate.
3, the wooden core composite sandwich plate of a kind of pultrusion of the utility model, connection assist and surface layer solidify to form an integral body jointly, and the anti-bending bearing capacity of its junction is improved.The while connection assist passes core and is connected with surface layer, and the boundary strength of continued access place strengthens, and junction is difficult for occurring interface peel.
4, the wooden core composite sandwich plate of a kind of pultrusion of the utility model, while adopting cementing connection assist, cementing speed is fast, processes and can not affect the speed of production of production line, practicality easy and simple to handle.
5, joinery and its construction designability of the present utility model is strong, applied widely.
The accompanying drawing explanation
Fig. 1 is that the wooden core filled composite material plate pultrusion production process of pultrusion of the present utility model adopts the connection assist schematic diagram;
Fig. 2 is that the wooden core filled composite material plate pultrusion production process of pultrusion of the present utility model adopts connection glue schematic diagram;
Fig. 3-Figure 10 is the joinery and its construction section form schematic diagram of core of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
As illustrated in fig. 1 and 2: a kind of wooden core composite sandwich plate of pultrusion, by material shell 1, wooden core 2 and composite floor 3 form.The concrete production line of its pultrude process is: by fiber 4, entered the steeping vat of potting resin 5 together with wooden core 2, locate and enter the mould 6 that is heating and curing by mould, by pulling equipment 7 pultrusions, finally by cutting equipment 8, cut into required size.For wooden core 2, need to carry out the processing of joinery and its construction in core continued access place, joinery and its construction consists of convex joint 9 and female fitting 10.Coarse processing need to be carried out in its core upper surface and side simultaneously, is connected with the interface of surface layer to strengthen it.Described connection assist is prefabricated metalwork, composite short column, PE rod, PP is excellent and fibre bundle in a kind of.The shape of composite short column 15 can be in cylinder, circular cone a kind of.The effect of contraction of connection assist mainly refers in convex joint 9 and female fitting 10 zones perforate 11, when convex joint 9 and female fitting 10 link together, and the hole slot of hole 11 for connecting.By sewing device 12, fibre bundle 13 is passed to hole 11, expose on the husky two sides of fiber, and the length that fiber passes core is about 50mm.Should guarantee as far as possible that fibre bundle 13 ends evenly scatter, well-bonded when curing to guarantee fibre bundle 13 terminations and fiber 4; Perhaps by the Tenon place, being coated with one deck, connect glue 14, now wooden core 2 can be made the teeth groove shape in junction, and connection glue 14 is in and solidifies or half curdled appearance before entering mould.Connection glue is splicing adhesive, white glue with vinyl, a kind of in yellow glue.
As shown in Fig. 3-10, the joinery and its construction form of core refers to that the timber termination of continued access place both sides adopts the concaveconvex structure cooperatively interact, comprises convex joint 9 and female fitting 10, and section form comprises the right angle staged, oblique angle staged, a kind of in combined type and buckle-groove type.The right angle staged is a ladder, a kind of in two ladders or a plurality of ladder.Oblique angle type is a toe, a kind of in two toes or a plurality of toe.Combined type is the combining form of right angle ladder and oblique angle ladder.Buckle-groove type is divided into two kinds of right angle catching groove and oblique angle catching grooves.
Embodiment 1
A kind of wooden core composite sandwich plate of pultrusion, its pultrusion production procedure is that glass fibre enters the steeping vat of filling vinylite together with the paulownia wood core, by mould, locate and enter the mould that is heating and curing, by the pulling equipment pultrusion, finally by cutting equipment, cut into required size.For core, need to carry out the processing of joinery and its construction in core continued access place.Joinery and its construction adopts the angular teeth grooved, consists of convex joint and female fitting, adopts white glue with vinyl to carry out woods.Coarse processing need to be carried out in its core upper surface and side simultaneously, is connected with the interface of surface layer to strengthen it, adopts and opens some shallow slots here.
A kind of wooden core composite sandwich plate of pultrusion, its pultrusion production procedure is that fiber enters the steeping vat that is filled with epoxy resin together with Balsa wood, by mould, locate and enter the mould that is heating and curing, by the pulling equipment pultrusion, finally by cutting equipment, cut into required size.For core, need to carry out the processing of joinery and its construction in core continued access place.Coarse processing need to be carried out in its surface simultaneously, is connected with the interface of surface layer to strengthen it, adopts and opens some shallow slots here.Joinery and its construction adopts the combined type form, consists of convex joint and female fitting, in junction, opens row's cylindrical hole, and connection assist is the composite short column.
It should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each part all available prior art realized.
Claims (8)
1. the wooden core composite sandwich plate of a pultrusion, it is characterized in that: comprise material shell, wooden core and composite floor, described wooden core and composite floor are arranged in material shell;
Described wooden core is the wooden core of segmentation continued access formula, and the joinery and its construction form is adopted in continued access place of wooden core, and the joinery and its construction form refers to the concaveconvex structure that the timber termination employing of continued access place both sides cooperatively interacts, and comprises convex joint and female fitting.
2. the wooden core composite sandwich plate of a kind of pultrusion according to claim 1, it is characterized in that: continued access place of described wooden core also is provided with connection assist, and connection assist is arranged in the perforate of wooden core continued access place.
3. the wooden core composite sandwich plate of a kind of pultrusion according to claim 1, it is characterized in that: continued access place of described wooden core also is provided with connection glue.
4. the wooden core composite sandwich plate of a kind of pultrusion according to claim 1 is characterized in that: described wooden core is a kind of in Balsa wood, paulownia wood, China fir, poplar, beech, willow, wood-based plate.
5. the wooden core composite sandwich plate of a kind of pultrusion according to claim 1, it is characterized in that: described joinery and its construction comprises the right angle staged, the oblique angle staged, a kind of in combined type and buckle-groove type, wherein combined type is the combining form at right angle ladder and oblique angle.
6. the wooden core composite sandwich plate of a kind of pultrusion according to claim 5, it is characterized in that: in described joinery and its construction, the right angle staged is a ladder, a kind of in two ladders or a plurality of ladder, the oblique angle staged is a toe, a kind of in two toes or a plurality of toe, buckle-groove type is divided into two kinds of right angle catching groove and oblique angle catching grooves.
7. the wooden core composite sandwich plate of a kind of pultrusion according to claim 3 is characterized in that: it is splicing adhesive that continued access place of described wooden core connects glue, white glue with vinyl, a kind of in yellow glue.
8. the wooden core composite sandwich plate of a kind of pultrusion according to claim 2 is characterized in that: described connection assist is prefabricated metalwork, composite short column, PE rod, PP is excellent and fibre bundle in a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202912188U CN203305581U (en) | 2013-05-24 | 2013-05-24 | Wood core composite material sandwich panel in pultrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202912188U CN203305581U (en) | 2013-05-24 | 2013-05-24 | Wood core composite material sandwich panel in pultrusion |
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| Publication Number | Publication Date |
|---|---|
| CN203305581U true CN203305581U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202912188U Expired - Fee Related CN203305581U (en) | 2013-05-24 | 2013-05-24 | Wood core composite material sandwich panel in pultrusion |
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| Country | Link |
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| CN (1) | CN203305581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286991A (en) * | 2013-05-24 | 2013-09-11 | 南京工业大学 | Pultruded-molded wood-core composite sandwich board and production process thereof |
| CN113021677A (en) * | 2021-03-02 | 2021-06-25 | 三一重能股份有限公司 | Pultruded main beam, blade and manufacturing method of blade |
-
2013
- 2013-05-24 CN CN2013202912188U patent/CN203305581U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286991A (en) * | 2013-05-24 | 2013-09-11 | 南京工业大学 | Pultruded-molded wood-core composite sandwich board and production process thereof |
| CN103286991B (en) * | 2013-05-24 | 2015-11-11 | 南京工业大学 | A kind of wooden core composite sandwich plate of pultrusion and production technology thereof |
| CN113021677A (en) * | 2021-03-02 | 2021-06-25 | 三一重能股份有限公司 | Pultruded main beam, blade and manufacturing method of blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20160524 |