CN101871571A - Wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and molding method - Google Patents
Wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and molding method Download PDFInfo
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- CN101871571A CN101871571A CN200910026338A CN200910026338A CN101871571A CN 101871571 A CN101871571 A CN 101871571A CN 200910026338 A CN200910026338 A CN 200910026338A CN 200910026338 A CN200910026338 A CN 200910026338A CN 101871571 A CN101871571 A CN 101871571A
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Abstract
The invention discloses a wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and a molding method. The method is characterized in that the wood materials in limited length are processed into short battens, later the battens are connected into continuous rolls to produce batten rolls, the batten rolls are matched with fiberglass roving and other reinforced materials to be processed into the linear wood-fiber reinforced plastic pipe products with shapes the same as the molds and with various wall thickness by pultrusion through the procedures of resin impregnating, preshaping, solidification, drawing, cutting and the like. The pultruded wood-fiber reinforced plastic pipes mainly include pultruded wood-fiber reinforced plastic pipes, pultruded wood-fiber reinforced plastic sandwich wall pipes, etc, and can be widely applied to laying in various pipelines such as upper and lower water pipelines, oil pipelines, etc.
Description
The invention belongs to the fiber hybrid composite production technical field, particularly windings such as wood fibre bar (wood is slightd bar or wood chip or the like) and glass fibre are cooperated to strengthen the thermosetting resin pultrusion and make wooden Glass Steel Tube of various prismatic linearities 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.Big, the easy-to-rust of weight such as steel pipe, cast iron tube, cement pipe is installed inconvenience now; Plastic tube intensity is low; Glass Steel Tube price height.
In order to overcome the deficiency of short and small or the like the shortcoming of the high and wood materials of existing glass fibre reinforced plastics pultrusion product price, wood provided by the invention is around fiber pultrusion wood Glass Steel Tube product, it is little that this wood Glass Steel Tube product 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 good, and be around fibre glass roving every batten all to be in the middle of the matrix of glass fibre reinforced plastics by batten, 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 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 under the prerequisite of the original performance that guarantees wood materials, prolong working life widely.Also be easy to simultaneously improve, reduce performance and the price that glass fibre reinforced plastics content is controlled wooden 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 wood fibre bar that at first Wood Processing is become all size that needs by design, in advance the limited long lignocellulose bar of same specification cross section through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous wood fibre bar of endless, be called for short continuous batten, the batten coiling is called for short the batten volume continuously.Next the wood that as required batten of multireel same size or different size volume is placed on the fiber frame is rolled up on the frame, corresponding with every batten as required a volume or multireel woven glass roving fabric be placed on the fiber frame with the corresponding moving creel of this batten on, batten rotation or several battens rotations relatively relatively of this moving creel, motion, other reinforcing material of other woven glass roving fabric volume, glasscloth, glass fiber mat or the like are placed on the fiber frame on corresponding yarn, felt, the fabric frame; Draw batten by encompassing around the yarn batten through fibre glass roving separately around creel, rove also can be as required relatively separately batten rotation or motion; Batten, around various reinforcing fibers such as yarn batten, 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 (batten, around yarn batten, rove, felt, fabric etc.) passes pre-shaping device, mould or device with mould pre-shaping, it is filled glass fiber yarn and has formed tube wall around the slit of yarn batten and by the coating of glasscloth, glass fiber mat etc., make batten, rove, felt etc. accurately in conjunction with, remove the bulk strength that bubble in unnecessary resin, the eliminating system increases section bar.Then enter the continuous pultrusion wood Glass Steel Tube 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 pultrusion wood Glass Steel Tube product of Len req.Pultrusion wood Glass Steel Tube product can be that the solid wall pipe section bar also can be the pipe profile of interlayer wall.
The invention has the beneficial effects as follows, the various pultrusions wood Glass Steel Tube products that go out by this processes can enlarge the application area and the application of wood materials widely, can guarantee that wood materials given play to huge usefulness, reduced isolating property by batten around glass fiber yarn and also increased compatibility with fluoropolymer resin simultaneously by glass fiber yarn, realize can leaning between the batten mechanical connection of the glass fibre reinforced plastics matrix that glass fiber yarn becomes with resin solidification, this has eliminated batten and the compound segregative disadvantage of polymeric matrix.Can determine or not non-twist glass fiber yarn to rotate according to usage requirement around batten, what are around amount, can require to design the wooden glass fibre reinforced plastics pultrusion product of various structural styles and wooden glass ratio according to usability around the few good product performance of the big batten surface exposure amount of amount, and improve wooden glass ratio as far as possible to reduce the demand that cost satisfies large-scale application.Pultrusion wood is compared with wood glass fabric pultrusion pipe product to have reduced around fiber wood Glass Steel Tube and is weaved link and shortened technological process, therefore has the low advantage of cost.Can be widely used in upper and lower waterpipe, the laying of the multiple pipeline of oil transport pipeline or the like.
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the broken section structural representation of pultrusion of the present invention around yarn batten glass fibre reinforced plastics square tube section bar.
Fig. 2 be the part pultrusion around yarn batten Glass Steel Tube profile structure schematic representation, wherein:
Fig. 2-1 is that pultrusion is around yarn batten glass fibre reinforced plastics tubular type equipment structure schematic representation.
Fig. 2-2 is that pultrusion is around yarn batten glass fibre reinforced plastics rectangular tube profile structure schematic representation.
Embodiment:
1. skin glass steel among Fig. 1,2. construction layer glass fibre reinforced plastics, 3. around the yarn batten, 4. inner layer glass steel.
In Fig. 1, add glass fiber mat, glass fiber yarn, the glasscloth square tube section bar that forms of pultrusion together to many as required around the yarn batten by pultrusion molding process, closely being solidified togather around yarn batten (3), skin glass steel (1), construction layer glass fibre reinforced plastics (2), inner layer glass steel (4) be obvious limit not for its skin glass steel (1), construction layer glass fibre reinforced plastics (2), inner layer glass steel (4).Skin glass steel (1) is by glass fiber mat, glass fiber yarn, glasscloth, form around one or more reinforcing glass fibers such as the glass fiber yarn of yarn batten (3) and resin solidification, construction layer glass fibre reinforced plastics (2) is by the glass fibre around yarn batten (3), reinforcing glass fibers such as glass fiber yarn and resin solidification form, form structural glass steel (2) around yarn batten (3), can increase batten, inner layer glass steel (4) is by glass fiber yarn, glasscloth, glass fiber mat, curing around one or more fiberglass reinforced articles such as the glass fiber yarn of yarn batten and resin forms.
Claims (10)
1. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and forming method, it is characterized in that: the wood fibre bar that at first Wood Processing is become to press all size of design needs, in advance the limited long lignocellulose bar of same specification cross section through butt joint, finger, play splicing such as groove overlap joint, lining felt, lining paper, lining cloth or mechanical coupling becomes the continuous wood fibre bar of endless, be called for short continuous batten, the batten coiling is called for short the batten volume continuously.Next the wood that as required batten of multireel same size or different size volume is placed on the fiber frame is rolled up on the frame, corresponding with every batten as required a volume or multireel woven glass roving fabric be placed on the fiber frame with the corresponding moving creel of this batten on, batten rotation or several battens rotations relatively relatively of this moving creel, motion, other reinforcing material of other woven glass roving fabric volume, glasscloth, glass fiber mat or the like are placed on the fiber frame on corresponding yarn, felt, the fabric frame; Draw batten by encompassing around the yarn batten through fibre glass roving separately around creel, rove also can be as required relatively separately batten rotation or motion; Batten, around various reinforcing fibers such as yarn batten, 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 (batten, around yarn batten, rove, felt, fabric etc.) passes pre-shaping device, mould or device with mould pre-shaping, it is filled glass fiber yarn and has formed tube wall around the slit of yarn batten and by the coating of glasscloth, glass fiber mat etc., make batten, rove, felt etc. accurately in conjunction with, remove the bulk strength that bubble in unnecessary resin, the eliminating system increases section bar.Then enter the continuous pultrusion wood Glass Steel Tube 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 pultrusion wood Glass Steel Tube product of Len req.Pultrusion wood Glass Steel Tube product can be that the solid wall pipe section bar also can be the pipe profile of interlayer wall.
2. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass according to claim 1 and forming method is characterized in that: limited long stuff can be timber is cut off after split cut, the various processing modes of rotary-cut, slicing, milling or wooden integrated material 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 claim 1,2 described wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and forming methods, it is characterized in that: batten can be to be connected into volume in advance continuously, now connects in the time of also can being pultrusion; Now connect be the batten 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 claim 1,2,3 described wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and forming methods, it is characterized in that: batten, continuous batten can partly or entirely substitute with other material.
5. according to claim 1,2,3,4 described wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and forming methods, it is characterized in that: can substitute with other glass fiber yarn, glass fiber mat, glasscloth around continuous batten 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. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass according to claim 1 and forming method, 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. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass according to claim 1 and forming method is characterized in that: pultrusion such as available wooden skin, wooden 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. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass according to claim 1 and forming method, it is characterized in that: pre-setting to mould to increasing the heating equipment preheating as required between the shaping die, the large-diameter pipe core can increase heating equipment, increases the preheating link and can improve pultrusion speed.
9. wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass according to claim 1 and forming method is characterized in that: pultrusion wood Glass Steel Tube product can be that the solid wall pipe section bar also can be the pipe profile of interlayer wall.
10. according to claim 1,9 described wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and forming methods, it is characterized in that: various batten glass fibre reinforced plastics tube walls can add sandwich material, and sandwich material can be various honeycomb cores, foam an or the like light material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910026338A CN101871571A (en) | 2009-04-21 | 2009-04-21 | Wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and molding method |
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| CN200910026338A CN101871571A (en) | 2009-04-21 | 2009-04-21 | Wood-fiber reinforced plastic pipe pultruded by wood-wrapped fiberglass and molding method |
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| CN101871571A true CN101871571A (en) | 2010-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750434A (en) * | 2022-04-25 | 2022-07-15 | 赵庆林 | High-pressure-resistant glass fiber reinforced plastic pipe and manufacturing method thereof |
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- 2009-04-21 CN CN200910026338A patent/CN101871571A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750434A (en) * | 2022-04-25 | 2022-07-15 | 赵庆林 | High-pressure-resistant glass fiber reinforced plastic pipe and manufacturing method thereof |
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Application publication date: 20101027 |