CN101758624B - Molding device for high-strength fiber composite core for transmission line - Google Patents
Molding device for high-strength fiber composite core for transmission line Download PDFInfo
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- CN101758624B CN101758624B CN2009102649133A CN200910264913A CN101758624B CN 101758624 B CN101758624 B CN 101758624B CN 2009102649133 A CN2009102649133 A CN 2009102649133A CN 200910264913 A CN200910264913 A CN 200910264913A CN 101758624 B CN101758624 B CN 101758624B
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Abstract
The invention discloses an improvement of a preparation and molding device for a high-strength fiber composite core for transmission line, which is characterized in that the device is provided with a resin soaking groove, the groove body is respectively provided with a glue inlet and a bottom glue outlet, the glue inlet is connected with a resin batching system, a circulating pump and a pipe are arranged outside the bottom glue outlet and communicated with the soaking groove, axial front/rear plates of the soaking groove are respectively provided with a front wire dividing wire guiding plate and a rear wire guiding molding device, the rear wire guiding molding device is composed of a wire guiding plate and an inner core molding pipe connected to the wire guiding plate, the resin batching system is composed of material storage barrels of the same number of the batching resin and a discharge metering device, and mixed resin can be added to the soaking groove according to the preset batching . The composite core molding device of the invention has the advantages of high automation, saving human power, high raw material utilization ratio, and small glue consuming quantity, high production speed, stable product quality, and environmental protection.
Description
Technical field
The present invention is the improvement that high-strength fiber composite core for transmission line is prepared shaped device, relates in particular to a kind of production efficiency height, and speed is fast, the molding device for high-strength fiber composite core for transmission line that the one-shot forming Forming Quality is good.
Background technology
Aluminium conductor high-strength fiber composite core overhead power transmission conducting wire is since invention, and is little with the coefficient of expansion, in light weight, and current-carrying capacity advantage such as doubly holds by power industry favor both at home and abroad.Wherein crucial load-carrying member high-strength fiber composite core; At least two kinds of fiber oncentricity composite constructions of more employing; For example the said aluminium conductor of Chinese patent CN1649718 strengthens cable composite core, and is compound with one heart by resin-based carbon fiber internal layer core and resin-base glass fibre skin.Chinese patent CN101325098 high-intensity fiber composite reinforced-core cable has vertically to be arranged in parallel, to be uniformly distributed in carbon fiber internal layer in first epoxy resin cured product; Be arranged in parallel, be uniformly distributed in glass fibre skin in second epoxy resin cured product vertically.Chinese patent CN101494092 overhead transmission line conductor aramid fiber and carbon fiber complex core adopt thermoplastic process that PE is coated on the interior wrap carbon fiber strengthening core body of rod that aramid fiber and thermosetting resin be composited.
The preparation of above-mentioned two kinds or the concentric composite core of above fortifying fibre resin-based is carried out in the internal layer core peripherally for guaranteeing that outer layer fiber can evenly wrap, and prior art all adopts by fiber number of plies impregnation respectively; The internal layer core preforming solidifies, the compound outer layer fiber forming and hardening mode in back, and its typical case is like Chinese patent CN101246765; Interior outer fiber is impregnation respectively, the precuring moulding of internal layer core elder generation, the forming method and the device (Fig. 2) of the compound outer layer fiber in back; Internal layer core high-intensity fiber silk (for example carbon fiber) 19 is through open type steeping vat 21 impregnating resins; Through first profiled sheeting 23 extrusion modlings, get into the first mould 24 heating precuring that are heating and curing, obtain moulding precuring internal layer core 26; Outerwrap fiber 20 (for example glass fibre), compound through being combined into template 25 parcels after another steeping vat 22 dipping same resin, get into second mould 27 that is heating and curing and be heated and cured into composite core 28.
Outer fiber difference impregnation in the above-mentioned employing; The secondary that compound more outer core solidifies after the moulding precuring of internal layer core elder generation or repeatedly solidify the composite molding device; Its deficiency: the one, many internal layer core preformings are held mould tightly, and the moulding tractive resistance is big, and production efficiency is low; Production capacity can only increase production cost in the 600-800 mm/min; The 2nd, secondary or repeatedly solidify, the technology controlling and process difficulty, bad if support is held, then be easy to generate layering between the composite core that repeatedly curing unavoidably brings, reduced the combination property of composite core; The 3rd, artificial supplementation resin batching metering poor accuracy (cured resin is to be mixed in proportion by two or more resin, if mixing ratio is undesirable, then can influences and solidify back composite core performance) had both destroyed technology stability, had increased cost again; The 4th, bottom land precipitates the easy sex change of surplus glue, has not only increased resin demand, and influences the curing performance of resin, also influences the performance of composite core simultaneously; The 5th, the open type steeping vat, resin is volatile, not only human and environment is polluted, and can bring the pollution to resin, influences the performance of moulding composite core equally.Above-mentioned deficiency still has is worth improved place.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, provides a kind of single-steeping compound, one-step solidification moulding, can realize the molding device for high-strength fiber composite core for transmission line of high-speed production.
The object of the invention realizes that main the improvement is to adopt a dipping tank, and with dipping tank rear end thread plate; Change the seal wire profiled sheeting of band preformed inner core into; And the resin automatic batching system and the dipping tank resin circulatory system are set, thus overcome the deficiency of above-mentioned prior art, realize the object of the invention.Specifically, molding device for high-strength fiber composite core for transmission line of the present invention comprises the resin impregnation tank of series connection successively; Thread plate before and after the dipping tank; The hot briquetting mould is characterized in that resin impregnation tank is one, and glue-feeder and bottom gum outlet are arranged respectively on the cell body; Glue-feeder links to each other with the resin feed proportioning system; The bottom gum outlet has circulating pump and pipeline to be communicated with dipping tank outward, divides silk thread plate and back seal wire shaped device before end plate was respectively before and after dipping tank was axial, and said back seal wire shaped device is made up of with the internal layer core moulding pipe that links to each other thread plate; The resin feed proportioning system is to form with batching identical material storage tube of resin number and discharging metering device separately, can be by setting batching to the additional hybrid resin of dipping tank.
Among the present invention
Resin impregnation tank, a kind of being preferably adopted the enclosed slot body structure, can reduce in the forming process resin volatile matter to production environment and operating personnel's influence, and avoid the introduced contaminants pollutant to get into and pollute resin.
Divide the silk thread plate before the dipping tank front end; Its effect with have now in the shaped device before thread plate structure and principle basic identical; Mainly be that fiber in the entering dipping tank is separated relatively, help the abundant impregnating resin of each fiber, its basic structure is for being distributed with the through hole that numerous confession fibers pass through on a plate.
Back seal wire shaped device, major function are to make the internal layer core preforming earlier, make outer layer fiber be coated on preformed inner core periphery with the parcel form then, get into the moulding device that is heating and curing at rear then jointly, carry out the heat cure typing.Its basic structure is made up of two parts; One has the through hole that supplies the internal layer core fibre to pass through for the center; Surround the thread plate that the peripheral dispersion hole of internal layer core is formed with outer layer fiber, two center internal layer cores have an internal layer core moulding pipe after through the hole, make the inner fiber of the impregnating resin that disperses originally obtain pushing the polymerization bunchy; Help outer layer fiber like this and be coated on internal layer core periphery, thereby realize that single-steeping is Overmolded with the parcel form.Test shows, internal layer core moulding pipe, a kind of conical pipe that is preferably; One inner conical shaping channel helps realizing higher relatively hauling speed; Improve moulding production efficiency, it is compound that two periphery pyramidal structures help outer layer fiber, can reduce the friction scratch of outer composite fibre and moulding pipe.Wherein better for internal layer core moulding inside pipe wall face or be processed into crude or zigzag at least in the port of export week; Make outer layer fiber and interior core fibre faying face be embedded broached-tooth design compound (non-smooth circumference is compound), can effectively overcome the fibrolaminar separation of ectonexine.For multilayer (n layer) fiber, its preformed pipe can be n-1 concentric tube fit.The moulding length of tube is looked seal wire shaped device and the rear die orifice distance that is heating and curing, and pultrusion speed and deciding, generally with 5-20cm for well.The material of front and back thread plate, identical with prior art, can be stainless steel, pottery and other hard material.
Resin discharging metering device better adopts measuring pump of the prior art (for example gear, piston, screw pump etc.), and other metering devices also can be used certainly, and according to pultrusion speed, the metering discharging speed can be 30～800 ml/min.Material storage tube, its shape and structure are not special to be limited, and for example is not limited to rectangle, cylindrical, polygon cylindricality etc., 200～2000 milliliters more fortunately of volume capacities.For helping improving resin flow property in the material storage tube, make batching more accurate, a kind of material storage tube band constant temperature that is preferably stirs, and vacuum extractor is for example jacket structured.For helping cooperating the abundant mixing of resin, a kind of better is after material storage tube measures discharging, after a mixing tube mixes, to replenish to dipping tank more earlier.
Molding device for high-strength fiber composite core for transmission line of the present invention; With respect to prior art, owing to improve the back seal wire shaped device that thread plate behind the impregnation is changed into band internal layer core moulding pipe, thus can realize two kinds or the compound soaking composite molding of above fiber oncentricity; Disposal solidifying; And bottom dipping tank, being provided with resin EGR and automatic resin batching device for supplying, dipping tank adopts enclosed construction.Hold mould tightly owing to reduce by an internal layer core preforming, reduced the moulding tractive resistance, thereby improve speed of production, experimental rig can reach 1000～1500 mm/min, is 1.67-1.87 times of original post forming.The resin reflux cycle has overcome the surplus glue of open type glue groove and has sunk to the bottom land sex change, influences the drawback of composite core performance, has also improved the resin raw material utilization rate, has reduced resin raw material consumption, can reduce to consume 5-10%.The sealing dipping tank has not only reduced the pollution of production process to environment and operator, and can effectively reduce the pollution of extraneous factor to resin.Automatic blending, not only the resin batching is accurate, and has reduced waste.The composite core one-step solidification can also be eliminated the lamination that repeatedly curing brings, and helps improving the combination property of whole composite core goods.Composite core molding device of the present invention, automaticity is high, has practiced thrift human capital, and raw material availability is high, and glue consumption is few, and speed of production is fast, and constant product quality is environmentally friendly.
Optimize specific embodiment below in conjunction with one; The present invention is further understood in exemplary illustration and help; But the embodiment detail only is in order the present invention to be described, not to represent the present invention to conceive whole technical schemes down, therefore should not be construed as the qualification to the total technical scheme of the present invention; Some are In the view of the technical staff; The unsubstantiality that does not depart from the present invention's design increases and/or change, and for example simple the change or replacement of technical characterictic to have same or similar technique effect all belongs to protection domain of the present invention.
Description of drawings
Fig. 1 is a molding device for high-strength fiber composite core structure diagram of the present invention.
Fig. 2 is a prior art molding device for high-strength fiber composite core structure diagram.
Fig. 3 is a preceding thread plate sketch map among Fig. 1.
Fig. 4 is a seal wire shaped device floor map in back among Fig. 1.
Fig. 5 is Fig. 4 vertical profile structural representation.
Fig. 6 to Fig. 8 is other several kinds of back seal wire profiled sheeting floor map.
Fig. 9 to Figure 11 is back seal wire profiled sheeting thread eye several kinds of shapes commonly used.
Figure 12 is another kind of moulding composite core cross section structure sketch map.
Figure 13 is another moulding composite core cross section structure sketch map.
The specific embodiment
Embodiment 1: referring to Fig. 1,3,4,5, molding device for high-strength fiber composite core for transmission line of the present invention comprises the steeping vat 13 of base closed, built-in moulding binding resin, and axially two ends have preceding thread plate 10 and seal wire profiled sheeting 11 respectively.There is batching resinogen barrel 5 and 6 (quantity look the cooperation resin and decide) steeping vat top; Material tube is an interlayer heated at constant temperature structure; And stirring, vacuum extractor (being used to eliminate the resin air entrapment) arranged; Guarantee the binding resin whereabouts of trickling automatically, the material tube below have respectively separately measuring pump 7 with 8 by setting the quantitative discharge of mixing ratio, each discharge mixes to the additional binding resin of steeping vat through mixing tube 9.The steeping vat bottom has through hole to connect circulating pump 16 and return duct 12, communicates with mixing tube 9, steeping vat bottom resin is refluxed squeeze into steeping vat (form the circulation of binding resin, prevent the sex change of binding resin deposition) again.Preceding thread plate 10 evenly has numerous through holes 29, interior outer fiber is evenly separated favourable abundant impregnating resin.Seal wire profiled sheeting 11; There is the circular hole 31 roughly isometrical with the moulding inner core at the center; The outer layer fiber thread eye 30 that periphery is evenly equipped with encirclement (makes outer layer fiber be evenly distributed on the inner fiber periphery; Form the parcel core arrangement), it is the taper internal layer core moulding pipe 11.1 of 8cm that center hole 31 axially connects a length, makes carbon fiber internal layer core be in control polymerization through this and is shaped to circle.The steeping vat 13 rears stock mould 14 that is heating and curing makes impregnating resin fiber composite core solidifying and setting.
The composite core moulding; The glass outer fiber 1,4 of internal layer core carbon fiber 2,3 and parcel, thread eye 29 evenly disperses on thread plate 10, and makes glass fibre be evenly distributed on the outer formation encirclement of carbon fiber distribution; The ectonexine fiber that disperses gets into steeping vat 13 and makes each filament homogeneous immersion resin; Internal layer core carbon fiber silk is through seal wire profiled sheeting 11 center holes 31, and aggregated into inner core by 11.1 extruding of taper internal layer core moulding pipe, and the periphery glass fiber is then still respectively through periphery holes 30; Formation is to the even encirclement of internal layer core; The common shaping mould 14 that is heating and curing that gets into the rear portion, it is compound with one heart to be extruded formation, and is heated therein and makes the resin solidification typing obtain composite core 15.In the forming process, steeping vat upper resin material tube 5 and 6 regularly or irregularly replenish hybrid resin to steeping vat 13 by the design proportioning, and resin constantly circulates resin through circulating pump 16 in the steeping vat, prevents the resin precipitated sex change.
Embodiment 2: referring to Figure 12; Like embodiment 1; With back seal wire profiled sheeting 11 axial taper preformed pipes 11.1; Internal face or be processed into quincunx, exasperate shape, zigzag etc. at least in the port of export week, it is compound to make periphery glass fibre and inner core high-intensity fiber faying face be mosaic, can effectively overcome the fibrolaminar layering of ectonexine.
Embodiment 3: referring to Figure 13, as aforementioned, composite core can also be made inside and outside three-layer composite structure.
The seal wire profiled sheeting 11 at the axial rear portion of steeping vat, SMIS hole and periphery thread eye, its hole arrangement and hole shape can change by Fig. 6-11.
To those skilled in the art, under this patent design and specific embodiment enlightenment, some distortion that can directly derive or associate from this patent disclosure and general knowledge; Those of ordinary skills will recognize also can adopt additive method, or uses substituting of known technology in the prior art always, and the mutual various combination between characteristic; Thread plate hole shape and layout change for example, and batching resin cartridge number changes, and the variation of batching mode; Internal layer core moulding pipe is a straight tube; Or the like unsubstantiality change, can be employed equally, can both realize and basic identical function of the foregoing description and effect; Launch for example no longer one by one to describe in detail, all belong to this patent protection domain.
Claims (10)
1. molding device for high-strength fiber composite core for transmission line; The preceding thread plate that divides behind a silk thread plate, resin impregnation tank, the dipping tank that comprises successively series connection; The hot briquetting mould is characterized in that resin impregnation tank is one, and glue-feeder and bottom gum outlet are arranged respectively on the cell body; Glue-feeder links to each other with the resin feed proportioning system; The bottom gum outlet has circulating pump and pipeline to be communicated with dipping tank outward, divides silk thread plate and back seal wire shaped device before end plate was respectively before and after dipping tank was axial, and said back seal wire shaped device is made up of with the internal layer core moulding pipe that links to each other thread plate; The resin feed proportioning system is to form with batching identical material storage tube of resin number and discharging metering device separately, can be by setting batching to the additional hybrid resin of dipping tank.
2. according to the said molding device for high-strength fiber composite core for transmission line of claim 1, it is characterized in that resin impregnation tank is the sealing cell body.
3. according to the said molding device for high-strength fiber composite core for transmission line of claim 1, it is characterized in that internal layer core moulding pipe range 5-20cm.
4. according to claim 1,2 or 3 said molding device for high-strength fiber composite core for transmission line, it is characterized in that internal layer core moulding pipe is a conical pipe.
5. according to the said molding device for high-strength fiber composite core for transmission line of claim 4, it is characterized in that internal layer core moulding inside pipe wall face or week be quincunx, exasperate shape, the non-smooth periphery of zigzag in the port of export at least that it is compound to make ectonexine be mosaic.
6. according to the said molding device for high-strength fiber composite core for transmission line of claim 1, it is characterized in that the discharging metering device is a measuring pump.
7. according to the said molding device for high-strength fiber composite core for transmission line of claim 1, it is characterized in that measuring discharging speed is 30～800 ml/min.
8. according to claim 1,6 or 7 said molding device for high-strength fiber composite core for transmission line, it is characterized in that there is the mixing tube of converging each discharging metering device below.
9. according to the said molding device for high-strength fiber composite core for transmission line of claim 1, it is characterized in that material storage tube has constant temperature, stir vacuum extractor.
10. according to the said molding device for high-strength fiber composite core for transmission line of claim 9, it is characterized in that material storage tube is jacket structured.
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| CN2009102649133A CN101758624B (en) | 2009-12-17 | 2009-12-17 | Molding device for high-strength fiber composite core for transmission line |
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| CN2009102649133A CN101758624B (en) | 2009-12-17 | 2009-12-17 | Molding device for high-strength fiber composite core for transmission line |
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| CN102079137B (en) * | 2010-11-19 | 2013-01-02 | 广州聚成电工绝缘材料有限公司 | Full-automatic hydraulic glue-injection machine |
| CN102733214B (en) * | 2011-04-08 | 2016-01-20 | 上海斯瑞科技有限公司 | Integrated high-flexibility reinforced core for cables and preparation method thereof |
| CN102490377A (en) * | 2011-12-01 | 2012-06-13 | 谷首先 | Overhead wire core rod production device based on precision continuous glue injection pultrusion technology |
| CN102615841A (en) * | 2012-04-23 | 2012-08-01 | 南京诺尔泰复合材料设备制造有限公司 | Sealing type glue supply system for thermosetting continuous fiber pultrusion process |
| CN102765200B (en) * | 2012-07-25 | 2014-12-10 | 广东宝通玻璃钢有限公司 | Gumming method of continuous fiber-woven pultrusion tubes |
| CN102873883B (en) * | 2012-10-23 | 2014-12-24 | 西安永兴科技发展有限公司 | Sealing dipping pultrusion system device for producing optical fiber reinforced core and preparation method |
| CN105269843A (en) * | 2015-09-23 | 2016-01-27 | 荣成复合材料有限公司 | Safety locking wire made of composites |
| CN105904746B (en) * | 2016-06-12 | 2018-10-16 | 南京诺尔泰复合材料设备制造有限公司 | The thermosetting property carbon fiber board manufacturing method and production line of wind blade |
| CN110466216B (en) * | 2019-09-17 | 2021-06-01 | 威海光威能源新材料有限公司 | Carbon fiber plate for vacuum infusion and preparation method thereof |
| CN111805798B (en) * | 2020-06-05 | 2022-05-17 | 福建创立佳科技有限公司 | Pultrusion impregnation device for aramid fiber composite core |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649718A (en) * | 2002-04-23 | 2005-08-03 | 合成科技公司 | Aluminum conductor composite core reinforced cable and method of manufacture |
| CN201745180U (en) * | 2009-12-17 | 2011-02-16 | 远东复合技术有限公司 | High-strength fiber composite core forming device for transmission conductor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1649718A (en) * | 2002-04-23 | 2005-08-03 | 合成科技公司 | Aluminum conductor composite core reinforced cable and method of manufacture |
| CN201745180U (en) * | 2009-12-17 | 2011-02-16 | 远东复合技术有限公司 | High-strength fiber composite core forming device for transmission conductor |
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