CN101871557A - Pultruded wood fiber reinforce plastic wrapped wooden honeycomb composite plate and molding method thereof - Google Patents
Pultruded wood fiber reinforce plastic wrapped wooden honeycomb composite plate and molding method thereof Download PDFInfo
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- CN101871557A CN101871557A CN200910026317A CN200910026317A CN101871557A CN 101871557 A CN101871557 A CN 101871557A CN 200910026317 A CN200910026317 A CN 200910026317A CN 200910026317 A CN200910026317 A CN 200910026317A CN 101871557 A CN101871557 A CN 101871557A
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Abstract
The invention discloses a pultruded wood fiber reinforce plastic wrapped wooden honeycomb composite plate and a molding method thereof. The molding method comprises the steps of: processing wooden material into wood slats with limited length; matching the wood slats with glass fiber yarn weaving or non-weaving to prepare wood glass cloth; matching the wood glass cloth with glass fiber yarn, felt, fabric and other reinforcing materials according to the need; using preimpregnation resin to wrap a selected honeycomb core, and carrying out the working procedures such as presetting, solidification molding, drawing, cutting and the like; and obtaining the wood fiber reinforce plastic wrapped honeycomb core linear products which have the shapes being the same as those of moulds and have various cross sections by pultrusion. The wood fiber reinforce plastic wrapped honeycomb core linear products mainly comprise wood fiber reinforce plastic wrapped honeycomb core pultrusion wrapping core and sandwich board, wood fiber reinforce plastic wrapped honeycomb core pultrusion wrapping core and sandwich specification section, wood fiber reinforce plastic wrapped honeycomb core pultrusion wrapping core and sandwich non-specification section, a wood fiber reinforce plastic pultrusion sandwich and hollow vertical shaft wind driven generator blade, a wood fiber reinforce plastic wrapped honeycomb core pultrusion tubular product, a wood fiber reinforce plastic pultrusion square sandwich tubular product, a wood fiber reinforce plastic pultrusion rectangular sandwich tubular product, etc.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly wood glass fabric is strengthened thermosetting resin pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming method
Honeycomb core is made various prismatic linear pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plates and forming method.
At present, the pultrude process of known fibre glass roving is a kind of method of continuous producd fibers reinforced plastic section bar.It is the non-twist fibre glass roving on the creel to be carried out resin with other continuous reinforcing material, surface of polyester felt etc. soak achievement, then by keeping shaper, the shaping die of definite shape, and make it in mould, be pulled continuous depanning behind the solidifying, through cutting off a kind of automatic production process that can obtain the glass fibre reinforced plastics pultrusion product.Various glass fibre reinforced plastics pultrusion product performance are good, have wide range of applications, but cost are too high, and the application scale is not very big.The densification of hard miscellaneous tree equipment structure, resistance to compression, tension, wear-resisting property are good, and the specific humidity rate that rises is less mutually with other vegetable fiber except that bamboo material, and its corrosion resistance more is better than other vegetable fibers such as softwood.Timber is renewable raw materials, compares cheaply with other man-made fibre material, produces the usage requirement that various drawing and extruding section bar products can satisfy many occasions with good wood materials.But because timber length, diameter are limited, directly become the flexible distortion forfeiture of plate usability, isolating property, to compare weather resistance poor with plastics or glass fibre reinforced plastics series products under the nature, directly with the compound compatibility performance difference of various fluoropolymer resins or the like multiple reason, make it fail to use on the pultrusion product, therefore a large amount of wood materials fails to bring into play its due effect.The real core product of the complete wooden glass of pultrusion simultaneously raw material consumption is big, cost is high, and hollow products rigidity is not enough, and sound insulation, effect such as heat insulation are bad.
Have the deficiency that glass fibre reinforced plastics pultrusion product price height, hard miscellaneous tree material directly use yielding, real core waste or the like now in order to overcome, pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate provided by the invention, following wood glass fabric is selected the Wood-glass cloth that interweaves for use, the abbreviation Wood-glass cloth.The moulding of pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate is various stacked stretchings or threading (yarn, silk, ropes etc.) woollen yarn knitting honeycomb core and coating wood glass fabric effectively are combined with each other, it is little that Wood-glass cloth can not only guarantee to make full use of hard miscellaneous tree material contour projector, the proper property that tensile strength parallel to grain and parallel-to-grain compressive strength are high approximately, and be short and small by glass fibre, the limited long stuff that isolates characteristic is weaved or is together non-woven, this satisfies continuously shaped requirement, the isolating property of having eliminated wood materials has formed simultaneously the complementary intensity of both direction with wood materials, this has also just increased horizontal tensile strength and has also eliminated pultrusion wood and wrap up in the easily horizontal disadvantage of cracking of honeycomb core fibre glass product manufacture linear direction.Various stacked stretchings or threading (yarn, silk, ropes etc.) difference of the selected material of woollen yarn knitting honeycomb core has different performances and price, it just has the outward appearance and the performance of glass fibre reinforced plastic material after selecting for use honeycomb core and Wood-glass cloth to soak the achievement resin solidification as required, permeability with glass fibre reinforced plastics under the situation about needing also can make it to have the outward appearance that manifests wood materials, utilize the coating skin of glass fibre reinforced plastic material to intercept wood materials and air simultaneously, unfavorable and hostile environments such as mould, the contact of material, therefore can be under the prerequisite of the original performance that guarantees wood materials, prolonged working life widely, also be easy to simultaneously by increasing, the content that reduces glass fibre improves, reduce glass fibre reinforced plastics content and control performance and the price that the honeycomb core product was wrapped up in or pressed from both sides to wooden glass fibre reinforced plastics, can satisfy the usage requirement of many applications, picture is heat insulation, sound insulation values etc. also are better than glass fibre reinforced plastics, the particularly reduction of price can realize large-scale promotion application.
The technical solution adopted for the present invention to solve the technical problems is: at first roll up one by designing requirement, two volumes or one or more same sizes of multireel or different size roll Wood-glass cloth, (wide cut is a Wood-glass cloth to wood glass belt, in a narrow margin for wood glass belt) or Wood-glass cloth and wood glass belt be placed to together on the fabric frame, as required roving is rolled up, glasscloth, other reinforcing material of glass fiber mat or the like is placed to corresponding glass fiber yarn, felt, on the framves such as fabric, draw Wood-glass cloth, wood glass belt, fibre glass roving, felt, the various reinforcing fibers of fabric or the like pass through organiser, as required by the dehumidifying of dehumidifying heater, heating, select stacked stretching of a kind of flexibility or threading (yarn as required, silk, ropes etc.) the woollen yarn knitting honeycomb core places in the middle of the clad can fabric such as Wood-glass cloth, and launch as required, invade achievement resin or four sides roll-coat resin or do not resinize, Wood-glass cloths etc. enter steeping vat preimpregnation achievement resin, again the good resin of preimpregnation and extrude the reinforcing material (Wood-glass cloths such as clad can Wood-glass cloth of unnecessary resin, wood glass belt, fibre glass roving, felt, fabric or the like) wraps honeycomb core together by passing the pre-setting device, mould or device are with the mould pre-setting, it is with Wood-glass cloth, wood glass belt, rove, felt, fabrics etc. are accurately in conjunction with forming a sandwich cavity, remove unnecessary resin, bubble in the eliminating system, the Wood-glass cloth in mould surrounds honeycomb core in the cavity simultaneously.Then enter the continuous Wood-glass cloth glass fibre reinforced plastics pultrusion honeycomb products that the forming and hardening mold heated with multistage heating function is solidified into required sectional shape, this product is deflected from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the wooden glass fibre reinforced plastics of Len req to wrap up in honeycomb core pultrusion product.It can be different shapes such as entity sheet material, bar that pultrusion wood glass fibre reinforced plastics is wrapped up in the cellular board product.
The invention has the beneficial effects as follows, solved the yielding disadvantage of bulk hard miscellaneous tree material, wrap up in application area and the application that the honeycomb core product can enlarge wood materials widely by the various pultrusion wood glass fibre reinforced plastics that this processes goes out, can guarantee that wood materials given play to huge usefulness, batten in the Wood-glass cloth is by glass fiber yarn, felt, the coating of fabric etc. has reduced isolating property, simultaneously also increased compatibility with fluoropolymer resin by glass fiber yarn, realize can leaning between the batten mechanical connection of glass fiber yarn and resin, this has eliminated batten and the compound segregative disadvantage of polymeric matrix.Simultaneously Wood-glass cloth also has the use amount that extraordinary covering property can significantly reduce material, and can wait reinforcement by increasing the Wood-glass cloth number of plies or increasing non-twist glass fiber yarn, felt, fabric in addition, and this can satisfy the multiple demand of each side easily.
The present invention is further described below in conjunction with drawings and Examples.
The structural representation of Fig. 1 pultrusion wood of the present invention glass fibre reinforced plastics wrapped wooden honeycomb composite plate.
Fig. 1-the 1st, the partial schematic sectional view of pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate.
Fig. 1-2 is the local enlarged diagram of pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate
The main side mouth pattern schematic representation of Fig. 2 pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate.
Fig. 2-1 is wrong shoulder mouthful schematic representation.
Fig. 2-2 is a both shoulders mouth schematic representation.
Fig. 2-3 is a tongue-and-groove mouth schematic representation.
Fig. 2-4 is a double flute mouth schematic representation.
Fig. 2-5 is a double tenon mouth schematic representation.
1. skin glass steel among the figure, 2. batten, 3. Wooden honeycomb core, 4. construction layer glass fibre reinforced plastics.
Embodiment:
In Fig. 1, two or many wood strips glass fabric are invaded the achievement resin, make wood glass fabric surround Wooden honeycomb core (3) by mould, add as required simultaneously and together be shaped to pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb core composite plate after other reinforcing materials such as glass fiber mat, glass fiber yarn, glasscloth, Weft wood glass fabric are invaded the achievement resin by mold cured.The profile of pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate has the mold cavity shape, also has skin glass steel (1), construction layer glass fibre reinforced plastics (4) and comprises the shell that batten (2) forms a sealing and wrap Wooden honeycomb core (3).Skin glass steel (1) is by the glass fibre weft yarn of wood glass fabric, the glass fiber warps of Weft wood glass fabric, add or do not add one or more glass fiber yarns as required, glass fiber mat, fiberglass reinforced articles such as glasscloth and resin solidification form, construction layer glass fibre reinforced plastics (4) is made of other fiberglass products and the resin of the glass fibre weft yarn of wood glass fabric and adding as required, batten (2) by the wood of wood glass fabric through bar, the wooden latitude bar of Weft wood glass fabric, continuous batten, around one or more compositions such as yarn battens, Wooden honeycomb core (3) is by a kind of, two or more Wooden honeycomb cores and other class honeycomb core are mixed to be formed.The side cross section of pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate can be various straight line mouths shown in Figure 2, also can be oblique line mouth, circular arc line mouth or the like Any shape.
Claims (10)
1. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming method, it is characterized in that: at first roll up one by designing requirement, two volumes or one or more same sizes of multireel or different size roll Wood-glass cloth, (wide cut is a Wood-glass cloth to wood glass belt, in a narrow margin for wood glass belt) or Wood-glass cloth and wood glass belt be placed to together on the fabric frame, as required roving is rolled up, glass fiber mat, other reinforcing material of glasscloth or the like is placed to corresponding glass fiber yarn, felt, on the framves such as fabric, draw Wood-glass cloth, wood glass belt, fibre glass roving, felt, the various reinforcing fibers of fabric or the like pass through organiser, as required by the dehumidifying of dehumidifying heater, heating, select stacked stretching of a kind of flexibility or threading (yarn as required, silk, ropes etc.) the woollen yarn knitting honeycomb core places in the middle of the clad can fabric such as Wood-glass cloth, and launch as required, invade achievement resin or four sides roll-coat resin or do not resinize, Wood-glass cloths etc. enter steeping vat preimpregnation achievement resin, again the good resin of preimpregnation and extrude the reinforcing material (Wood-glass cloths such as clad can Wood-glass cloth of unnecessary resin, wood glass belt, fibre glass roving, felt, fabric or the like) wraps honeycomb core together by passing the pre-setting device, mould or device are with the mould pre-setting, it is with Wood-glass cloth, wood glass belt, rove, felt, fabrics etc. are accurately in conjunction with forming a sandwich cavity, remove unnecessary resin, bubble in the eliminating system, the Wood-glass cloth in mould surrounds honeycomb core in the cavity simultaneously.Then enter the continuous Wood-glass cloth glass fibre reinforced plastics pultrusion honeycomb products that the forming and hardening mold heated with multistage heating function is solidified into required sectional shape, this product is deflected from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the wooden glass fibre reinforced plastics of Len req to wrap up in honeycomb core pultrusion product.The linear product that wood glass fibre reinforced plastics is wrapped up in honeycomb core mainly contains wooden glass fibre reinforced plastics and wraps up in the honeycomb core pultrusion and wrap up in core, sandwich sheet, wood glass fibre reinforced plastics is wrapped up in the honeycomb core pultrusion and is wrapped up in core, sandwich specification section bar, wood glass fibre reinforced plastics is wrapped up in the honeycomb core pultrusion and is wrapped up in not specification section bar of core, sandwich, wood glass fibre reinforced plastics pultrusion sandwich and hollow vertical axis wind generator blade, wood glass fibre reinforced plastics is wrapped up in honeycomb core pultrusion tubing, and wooden glass fibre reinforced plastics pultrusion is square, rectangle sandwich tubing or the like product.
2. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate according to claim 1 and forming method, it is characterized in that: wood glass fabric refers to the various limited long lignocellulose bar of same specification cross section as wooden latitude bar, wooden latitude bar through the butt joint, finger, beat splicing such as groove overlap joint or mechanical coupling become endless wood fibre bar as wood through bar, wood is through bar, wood latitude bar cooperates employing braiding (knitting) with glass fiber yarn, machine (friendship) is knitted, knit volume, loop bonding and processes such as non-woven are just produced braiding (knitting) Wood-glass cloth accordingly, broadwise braiding (knitting) Wood-glass cloth; Machine (friendship) is knitted Wood-glass cloth, broadwise machine (friendship) is knitted Wood-glass cloth, is called for short Wood-glass cloth, Weft wood glass fabric; Woven wood-glass fiber cloth; Knitted wood glass cloth, Weft-knitted wood glass cloth; Non-woven Wood-glass cloth, the non-woven Wood-glass cloth of broadwise etc.Both be called corresponding wood glass belt with above-mentioned corresponding various wood glass fabrics in a narrow margin.
3. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate according to claim 1 and forming method, it is characterized in that: according to products characteristics can be that various Wood-glass cloths, wood glass belt and various Weft wood glass fabric are used, and also can be to be used with other reinforcing material.
4. according to claim 1,2,3 described pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming methods, it is characterized in that: the wooden latitude bar in the wood glass fabric, wood can partly substitute with other one or more materials through bar.
5. according to claim 1,2,3,4 described pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming methods, it is characterized in that: the glass fiber yarn of wood glass fabric can be any glass fiber yarn that satisfies usage requirement, and can be with enhancings such as other glass fiber yarn, glass fiber mat, glasscloths; Also can use the fiber of other kind of carbon fiber, aramid fibre, steel fiber or the like to substitute; Can be single fiber, also can be multiple blend fiber, also can be fiber and felt, fabric unite use etc.; Can be that other various reinforcing materials and surface decoration material are mixed together use.
6. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate according to claim 1 and forming method, it is characterized in that: resin can be thermosetting resins such as unsaturated polyester resin, epoxy resin, phenolic resin, vinyl ester resin.It also can be polyethylene, PVC, polypropylene or the like thermoplastic resin; Can be a kind of resin, also can be the mixture of several resins.
7. pultrusion according to claim 1 wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming method is characterized in that: pultrusion such as available wooden skin, bamboo skin, decorative paper etc. together become to have the product of decorative effect; And can increase follow-up surface lacquer etc. as required and decorate manufacturing procedure.
8. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate according to claim 1 and forming method is characterized in that: pre-setting, increases the preheating link and can improve pultrusion speed to increasing the heating equipment preheating as required between the shaping die to mould.
9. pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate according to claim 1 and forming method, it is characterized in that: the linear product that wooden glass fibre reinforced plastics is wrapped up in honeycomb core mainly contains pultrusion wood glass fibre reinforced plastics and wraps up in honeycomb core sheet material, and cross section can be that specification rectangle honeycomb board, both sides are honeycomb board, grooved sheet material, band tenon limits and band fourth of the twelve Earthly Branches mouth or the like various patterns of any curve form; Pultrusion wood glass fibre reinforced plastics is wrapped up in honeycomb core specification curved surface sandwich board material; Pultrusion wood glass fibre reinforced plastics is wrapped up in not specification sandwich sheet of honeycomb core, pultrusion wood glass fibre reinforced plastics folder honeycomb core and hollow vertical axis wind generator blade, and wooden glass fibre reinforced plastics is wrapped up in honeycomb core pultrusion tubing, and wooden glass fibre reinforced plastics pultrusion is square, clip rectangle honeycomb core tubing or the like product.
10. according to claim 1,9 described pultrusion wood glass fibre reinforced plastics wrapped wooden honeycomb composite plate and forming methods, it is characterized in that: flexible stacked stretching or threading (yarn, silk, rope etc.) woollen yarn knitting honeycomb core can be Wooden honeycomb core, Wooden honeycomb core, paper honeycomb core, frp honeycomb core, aluminium honeycomb core, aramid fiber honeycomb core, various glass honeycomb core, ceramic honeycomb core, flag honeycomb core and various hard fabric and braided fabric honeycomb core; Various hard (wood, wood, metal, glass, pottery, potter's clay, flag or the like) wall sheet is worn the honeycomb core that the chain woollen yarn knitting forms with flexible wires (yarn, silk, rope etc.).
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| CN200910026317A CN101871557A (en) | 2009-04-21 | 2009-04-21 | Pultruded wood fiber reinforce plastic wrapped wooden honeycomb composite plate and molding method thereof |
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| CN200910026317A CN101871557A (en) | 2009-04-21 | 2009-04-21 | Pultruded wood fiber reinforce plastic wrapped wooden honeycomb composite plate and molding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538737A (en) * | 2015-12-14 | 2016-05-04 | 中材科技股份有限公司 | Preparation method of hollow sandwich composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538737A (en) * | 2015-12-14 | 2016-05-04 | 中材科技股份有限公司 | Preparation method of hollow sandwich composite material |
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Application publication date: 20101027 |