CN101871555A - Glass fiber-wound bamboo pulled and extruded bamboo-glass fiber reinforced plastic composite engineering material and method for molding products - Google Patents
Glass fiber-wound bamboo pulled and extruded bamboo-glass fiber reinforced plastic composite engineering material and method for molding products Download PDFInfo
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- CN101871555A CN101871555A CN200910026312A CN200910026312A CN101871555A CN 101871555 A CN101871555 A CN 101871555A CN 200910026312 A CN200910026312 A CN 200910026312A CN 200910026312 A CN200910026312 A CN 200910026312A CN 101871555 A CN101871555 A CN 101871555A
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Abstract
The invention discloses a glass fiber-wound bamboo pulled and extruded bamboo-glass fiber reinforced plastic composite engineering material and a method for molding products. The method comprises the following steps of: machining bamboo materials with finite lengths into short bamboo splints, connecting and continuously rolling the bamboo splints into bamboo splint rolls, winding and matching the bamboo splint rolls with other reinforcing materials, such as fiberglass roving and the like, performing the steps of resin pre-impregnation, pre-molding, solidification molding, traction, cutting and the like on the bamboo splint rolls and the reinforcing materials which are matched, and pulling and extruding the processed products into bamboo-glass fiber reinforced plastic linear products with various sections and a shape the same as that of a mould, wherein the bamboo-glass fiber reinforced plastic linear products mainly comprise products of a plurality of types, such as bamboo-glass fiber reinforced plastic pulled-extruded solid, sandwiched and hollow boards, bamboo-glass fiber reinforced plastic pulled-extruded solid, sandwiched and hollow standard boards, bamboo-glass fiber reinforced plastic pulled-extruded solid, sandwiched and hollow substandard boards, bamboo-glass fiber reinforced plastic pulled-extruded solid, sandwiched and hollow vertical-axis wind-driven generator blades, bamboo-glass fiber reinforced plastic pulled and extruded solid-web, open-web and sandwiched door and window profiles, bamboo-glass fiber reinforced plastic pulled and extruded tubes and pipes, bamboo-glass fiber reinforced plastic pulled and extruded square and rectangular tubes and pipes, and the like.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly windings such as bamboo fiber bar (bamboo strip or bamboo chip or the like) and glass fibre are cooperated to strengthen the forming method that various prismatic linear bamboo glass fiber reinforced plastic composite engineering materials and goods are made in the thermosetting resin pultrusion.
At present, known pultrude process is the efficient forming method a kind of commonly used that composite material is produced, and is mainly used in the continuous pultrusion producd fibers of fibre glass roving and resin matrix reinforced plastic product.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 bamboo wood growth is rapid, and renewable is strong, compares cheap with other lamination coating, its compact structure, resistance to compression, tension, wear-resisting property is good, malleable is good, and the specific humidity rate that rises is little mutually with other vegetable fibers such as timber, and its corrosion resistance more is better than other vegetable fibers such as timber.But little owing to bamboo bar hollow, diameter, become plate poor performance, limited length and isolating property greatly, easily to go mouldy, compare with plastics or glass fibre reinforced plastics series products under the nature weather resistance poor, directly and the multiple reason of the compound compatibility performance difference of various fluoropolymer resins or the like, make it fail on the pultrusion product, to use, therefore a large amount of bamboo materials also fails to bring into play its due effect, produces the usage requirement that various drawing and extruding section bar products can satisfy many occasions with good bamboo material.
In order to overcome the deficiency of short and small or the like the shortcoming of the high and bamboo material of existing glass fibre reinforced plastics pultrusion product price, the pultruded bamboo fiber reinforce plastic wrapped composite engineering material product of bamboo-glass fiber provided by the invention, this bamboo glass fiber reinforced plastic composite engineering material product can not only guarantee to make full use of that the bamboo material contour projector is little, elasticity and toughness is all high, tensile strength parallel to grain is about 1800kg/cm
2, parallel-to-grain compressive strength is about 800kg/cm
2Or the like proper property.And be around fibre glass roving every bamboo bar all to be in the middle of the matrix of glass fibre reinforced plastics by the bamboo bar, therefore have the performance and the outward appearance of glass fibre reinforced plastics body material, permeability with glass fibre reinforced plastics under the situation about needing also can make it to have the outward appearance that manifests bamboo material, utilize simultaneously the coating skin of glass fibre reinforced plastic material intercepted bamboo material and air, mould etc. unfavorable with the contacting of hostile environments, material, therefore can under the prerequisite of the original performance that guarantees bamboo material, prolong working life widely.Also be easy to simultaneously improve, reduce performance and the price that glass fibre reinforced plastics content is controlled the bamboo fibre glass product manufacture by the content that increases, reduces glass fibre.Can satisfy the usage requirement of many applications, also be better than the reduction of glass fibre reinforced plastics, particularly price, can realize large-scale promotion application as heat-shielding performance etc.
The technical solution adopted for the present invention to solve the technical problems is: the bamboo fiber bar that at first bamboo processing is become all size that needs by design, in advance same specification cross section have limit for length's bamboo fiber bar through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous bamboo fiber bar of endless, be called for short continuous bamboo bar, the bamboo bar is wound into volume continuously, is called for short the bamboo silver lap.Next the bamboo that as required the bamboo silver lap of multireel same size or different size is placed on the fiber frame is rolled up on the frame, corresponding with every bamboo bar as required a volume or multireel woven glass roving fabric be placed on the fiber frame with the corresponding moving creel of this bamboo bar on, bamboo bar rotation or several bamboo bars rotations relatively relatively of this moving creel, motion, other reinforcing material of other woven glass roving fabric volume, glass fiber mat, fabric or the like are placed on the fiber frame on corresponding yarn, felt, the fabric frame; Draw the bamboo bar by encompassing around yarn bamboo bar through fibre glass roving separately around creel, rove also can be as required relatively separately rotation of bamboo bar or motion; Around various reinforcing fibers such as yarn bamboo bar, fibre glass roving, glass fiber mat or fabric by the fiber architecture device, as required by dehumidifying heater dehumidifying heating.Enter steeping vat preimpregnation achievement resin, the reinforcing material that preimpregnation is good (bamboo bar, around yarn bamboo bar, rove, felt, fabric etc.) passes pre-shaping device, mould or device with mould pre-shaping, it is filled glass fiber yarn with the slit of bamboo bar and has been formed the solid profile outer surface by the coating of glasscloth, felt etc. or the hollow profile inner and outer surface increases the bulk strength of section bar with this, make bamboo bar, rove, felt etc. accurately in conjunction with, remove the bubble in unnecessary resin, the eliminating system.Then enter the continuous bamboo glass fibre reinforced plastics pultrusion product that the forming and hardening mold heated with heating function is solidified into required sectional shape, this product deflects from mould under the traction of traction gear, after the cutting device fixed length cutting becomes the bamboo glass fibre reinforced plastics pultrusion product of Len req.Pultruded bamboo fiber reinforce plastic wrapped product can be solid also can be hollow, the bamboo glass fibre reinforced plastics drawing and extruding section bar that can be all size also can be various not specification bamboo glass fibre reinforced plastics pultrusion profile shapes; Solid, the hollow plate of bamboo glass fibre reinforced plastics pultrusion; Bamboo glass fibre reinforced plastics pultrusion circular pipe, the pultrusion of bamboo glass fibre reinforced plastics is square, rectangle tubing; Bamboo glass fibre reinforced plastics pultrusion empty stomach, real abdomen door and window profile material; Bamboo glass fibre reinforced plastics pultrusion hollow, sandwich and real core vertical axis wind generator blade; By cooperate also solid, the hollow various non-linear bamboo fibre glass product manufacture that can pultrusion goes out various iso-cross-sections rotations or curve with mould.
The invention has the beneficial effects as follows, the various pultruded bamboo fiber reinforce plastic wrapped product that goes out by this processes can enlarge the application area and the application of bamboo material widely, can guarantee that bamboo material given play to huge usefulness, reduced isolating property by the bamboo bar around glass fiber yarn and also increased compatibility with fluoropolymer resin simultaneously by glass fiber yarn, realize can leaning between the bamboo bar mechanical connection of the glass fibre reinforced plastics matrix that glass fiber yarn becomes with resin solidification, this has eliminated bamboo bar and the compound segregative disadvantage of polymeric matrix.Can determine or not non-twist glass fiber yarn to rotate according to usage requirement around the bamboo bar, what are around amount, can require to design the bamboo glass fibre reinforced plastics pultrusion product of various structural styles and bamboo glass ratio according to usability around the few good product performance of amount big bamboo bar surface exposure amount, and improve bamboo glass ratio as far as possible to reduce the demand that cost satisfies large-scale application.Bamboo-glass fiber pultrusion material is compared with bamboo glass fabric pultrusion product to have reduced and is weaved link and shortened technological process, therefore has the low advantage of cost.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the broken section structural representation of bamboo glass fibre reinforced plastics pultrusion composite sheet of the present invention.
Fig. 1-1 is the broken section structural representation of bamboo glass fibre reinforced plastics composite sheet.
Fig. 1-2 is the local enlarged diagram of bamboo glass fibre reinforced plastics composite sheet.
Fig. 2 is a part bamboo glass fibre reinforced plastics pultrusion regular pattern composite equipment structure schematic representation, wherein:
Fig. 2-1 is a bamboo glass fibre reinforced plastics pultrusion channel-section steel section bar schematic representation.
Fig. 2-2 is a bamboo glass fibre reinforced plastics pultrusion sheet material section bar schematic representation.
Fig. 2-3 is a bamboo glass fibre reinforced plastics pultrusion I-steel section bar schematic representation.
Fig. 2-4 is a bamboo glass fibre reinforced plastics pultrusion pipe profile schematic representation.
Fig. 2-5 is a bamboo glass fibre reinforced plastics pultrusion angle steel section bar schematic representation.
Fig. 2-6 is a bamboo glass fibre reinforced plastics pultrusion bar section bar schematic representation.
Fig. 2-7 is wrapped up in the central layer schematic representation for the pultrusion of bamboo glass fibre reinforced plastics.
Fig. 2-8 is a bamboo glass fibre reinforced plastics pultrusion hollow lath schematic representation.
Embodiment:
1. glass fibre reinforced plastics matrixes, 2. bamboo bar among Fig. 1.
In Fig. 1, add glass fiber mat, glass fiber yarn, glasscloth to many as required around glass fiber yarn bamboo bar by pultrusion molding process and invade the stacked pultrusion die that passes through of achievement resin together, form continuous bamboo glass fibre reinforced plastics pultrusion sheet material through curing, it is by glass fibre reinforced plastics matrix (1), closely be solidified togather the bamboo bar (2) in glass fiber yarn bamboo bar.Glass fibre reinforced plastics matrix (1) is by glass fiber mat, glass fiber yarn, glasscloth, form around one or more reinforcing glass cellulons such as the glass fiber yarn of bamboo bar and resin solidification, bamboo bar (2) in the middle of glass fiber yarn bamboo bar by bamboo form through bar, also can be that bamboo bars such as the Weft bamboo glass fabric that adds as required, bamboo bar are formed, also can add other reinforcing material as required.The side of bamboo glass fibre reinforced plastics pultrusion sheet material can be an Any shape, can be dull and stereotyped, can be the shape of any needs such as arc plate.
Claims (10)
1. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material and goods is characterized in that: at first bamboo processing being become has limit for length's bamboo fiber bar by all size of design needs; In advance same specification cross section have limit for length's bamboo fiber bar through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous bamboo fiber bar of endless, be called for short continuous bamboo bar, the bamboo bar is called for short the bamboo silver lap through coiling continuously; As required the bamboo silver lap of multireel same size or different size is placed on the bamboo silver lap frame on the fiber frame, correspondingly with the every bamboo bar of drawing as required a volume or multireel woven glass roving fabric bobbin is placed to fiber lap on creel from the bamboo silver lap; Bamboo bar rotation or several bamboo bars rotations relatively relatively of this coiling creel, motion; Other reinforcing material of fibre glass roving, glass fiber mat, glasscloth or the like is placed on the fiber frame on other reinforcing material framves such as corresponding yarn, felt, fabric; Draw the bamboo bar as required, pass through organiser around various reinforcing fibers such as yarn bamboo bar, fibre glass roving, glass fiber mat, glasscloths, the part rove can rotate or motion by relative as required bamboo bar separately, dehumidifies, heats by the heater that dehumidifies as required; Enter steeping vat preimpregnation achievement resin, the reinforcing material that preimpregnation is good (bamboo bar, around yarn bamboo bar, rove, felt, fabric etc.) passes pre-setting mould or device, it is filled glass fiber yarn with the slit of bamboo bar and has been formed the solid profile outer surface by the coating of glasscloth, felt etc. or the hollow profile inner and outer surface increases the bulk strength of section bar with this, make the bamboo bar, around yarn bamboo bar, rove, felt, fabric etc. accurately in conjunction with, remove the bubble in unnecessary resin, the eliminating system; Then enter the continuous bamboo glass fibre reinforced plastics pultrusion product that the forming and hardening mold heated with multistage heating function is solidified into required sectional shape; This product deflects from mould under the traction of traction gear; After the cutting device fixed length cutting becomes the bamboo glass fibre reinforced plastics pultrusion product of Len req.Bamboo glass fibre reinforced plastics pultrusion product as required can be in the follow-up surface finish manufacturing procedure of process.Bamboo glass fibre reinforced plastics linear product mainly contains the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow sheet material, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow specification section bar, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow be the specification section bar not, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow vertical axis wind generator blade, the real abdomen of bamboo glass fibre reinforced plastics pultrusion, empty stomach and sandwich door and window profile material, bamboo glass fibre reinforced plastics pultrusion tubing, the pultrusion of bamboo glass fibre reinforced plastics is square, the many series products of rectangle tubing or the like.
2. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: have limit for length bamboo bar can be bamboo wood is cut off after split cut, the various processing modes of rotary-cut, slicing, milling or bamboo wood slicing, milling, sawing or the like obtain; Can be the transverse shape of any needs, and satisfied butt joint, finger, beat the joint geometry that groove overlap joint, lining felt, lining paper, lining cloth or the like spreading requires.
3. according to the forming method of claim 1,2 described glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering materials and goods, it is characterized in that: the bamboo bar can be to be connected into volume in advance continuously, now connects in the time of also can being pultrusion; Now connect be the bamboo bar of the same specification that processes with pultrusion speed by selected corresponding gluing of head and the tail of bar mode or mechanical connection or the like the various bar modes that connect that connect.
4. according to the forming method of claim 1,2,3 described glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering materials and goods, it is characterized in that: bamboo bar, continuous bamboo bar can partly or entirely substitute with other material.
5. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods is characterized in that: can substitute with other glass fiber yarn, glass fiber mat, glasscloth around continuous bamboo bar fibre glass roving; 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. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods, it is characterized in that: resin can be unsaturated polyester resin, epoxy resin, phenolic resin, etc. thermosetting resin, 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. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods 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. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods 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. the forming method of glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering material according to claim 1 and goods, it is characterized in that: bamboo glass fibre reinforced plastics body linear product mainly contains the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow sheet material, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow specification section bar, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow be the specification section bar not, the real core of bamboo glass fibre reinforced plastics pultrusion, sandwich and hollow vertical axis wind generator blade, the real abdomen of bamboo glass fibre reinforced plastics pultrusion, empty stomach and sandwich door and window profile material, bamboo glass fibre reinforced plastics pultrusion tubing, the pultrusion of bamboo glass fibre reinforced plastics is square, the many series products of rectangle tubing or the like.
10. according to the forming method of claim 1,9 described glass fiber-wound bamboo pulled-extruded bamboo-glass fiber reinforced plastic composite engineering materials and goods, it is characterized in that: various bamboo FRP SANDWICH STRUCTURE MATERIALS can be various honeycomb cores, foam or the like light materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910026312A CN101871555A (en) | 2009-04-21 | 2009-04-21 | Glass fiber-wound bamboo pulled and extruded bamboo-glass fiber reinforced plastic composite engineering material and method for molding products |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910026312A CN101871555A (en) | 2009-04-21 | 2009-04-21 | Glass fiber-wound bamboo pulled and extruded bamboo-glass fiber reinforced plastic composite engineering material and method for molding products |
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| CN101871555A true CN101871555A (en) | 2010-10-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205568A (en) * | 2011-05-13 | 2011-10-05 | 谭江南 | Method for processing bamboo reinforcement of large-aperture bamboo-plastic compound tube |
| GB2501564A (en) * | 2012-04-28 | 2013-10-30 | Road Solutions Ltd | Reinforcing structure, eg for paved structures, with bamboo fibres |
| CN104266017A (en) * | 2014-08-06 | 2015-01-07 | 浙江鑫宙竹基复合材料科技有限公司 | Preparation of pipe bundle joint for connecting bamboo composite pipes, mounting method thereof and pipe bundle joint |
| CN108327015A (en) * | 2018-04-23 | 2018-07-27 | 国际竹藤中心 | A kind of preparation method of Bamboo veneer/fiber RTM molding sport slide plates |
| WO2018233452A1 (en) * | 2017-06-21 | 2018-12-27 | 中国航发商用航空发动机有限责任公司 | Fan blade for turbofan engine |
-
2009
- 2009-04-21 CN CN200910026312A patent/CN101871555A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205568A (en) * | 2011-05-13 | 2011-10-05 | 谭江南 | Method for processing bamboo reinforcement of large-aperture bamboo-plastic compound tube |
| GB2501564A (en) * | 2012-04-28 | 2013-10-30 | Road Solutions Ltd | Reinforcing structure, eg for paved structures, with bamboo fibres |
| GB2501564B (en) * | 2012-04-28 | 2014-10-15 | Road Solutions Ltd | Reinforcing structure |
| CN104266017A (en) * | 2014-08-06 | 2015-01-07 | 浙江鑫宙竹基复合材料科技有限公司 | Preparation of pipe bundle joint for connecting bamboo composite pipes, mounting method thereof and pipe bundle joint |
| WO2018233452A1 (en) * | 2017-06-21 | 2018-12-27 | 中国航发商用航空发动机有限责任公司 | Fan blade for turbofan engine |
| CN108327015A (en) * | 2018-04-23 | 2018-07-27 | 国际竹藤中心 | A kind of preparation method of Bamboo veneer/fiber RTM molding sport slide plates |
| CN108327015B (en) * | 2018-04-23 | 2023-11-07 | 国际竹藤中心 | Preparation method of bamboo veneer/fiber RTM molding sports skateboard |
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Application publication date: 20101027 |