CN104260328A - Electromagnetic heating curing and forming device and method for preparing filament wound composite material pipe body by using electromagnetic heating curing and forming device - Google Patents
Electromagnetic heating curing and forming device and method for preparing filament wound composite material pipe body by using electromagnetic heating curing and forming device Download PDFInfo
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Abstract
The invention provides an electromagnetic heating curing and forming device and a method for preparing a filament wound composite material pipe body by using the electromagnetic heating curing and forming device, and relates to a heating and curing device and a method for preparing the composite material pipe body by using the heating and curing device. The invention aims to solve the problems of an existing heating and curing device for preparing the composite material pipe body that a heat source of an inner heating and curing core die cannot be obtained easily, the heating efficiency is low, and the heating precision and the heating uniformity are poor. The device comprises an electromagnetic heating coil, an electromagnetic heating power supply, a temperature sensor, heat pipes, a heat conducting medium, a sprayer, a cooling liquid protection cover, a cooling liquid tank, a water pump, a heat radiator and a core die, wherein an interlayer is formed between the outer wall of an inner pipe and the inner wall of an outer wall of the core die; a heat pipe array is distributed in the heat conducting medium in the interlayer; and the electromagnetic heating coil is uniformly arranged outside the tail end of the core die. The method comprises the following steps: the core die is fixed on a main shaft of a winding machine; and the core die is heated and cured simultaneously when being wound, and then heated, cured, and the processed core die is cooled. The electromagnetic heating curing and forming device can be obtained.
Description
Technical field
The present invention relates to a kind of device and use it to prepare the method for composite body of being heating and curing.
Background technology
Resin-based Filament-wound Machine same with thermosetting compound material body, as high-pressure fiberglass pipe, power transmission shaft, composite flywheel, truss etc., have specific strength high, corrosion-resistant, the advantage such as can to design, make it obtain extensive use in fields such as Aero-Space, the energy, building, traffic.Adopt wet processing wound composite body, its process for making is: first carry out Wrapping formed on wrapping machine, secondly require to heat the composite layer that core is wound around outward according to curing cycle, make composite generation physical-chemical reaction realize its curing molding, finally carry out composite cooling and follow-up demoulding process.
Current composite body curing process mainly adopts external heat to solidify and the shaping two kinds of techniques of internal heating curing.So-called external heat solidification and body Wrapping formed after, put it in curing oven (or autoclave) and winding layer heated according to the solidification time temperature history set, impel composite generation physical and chemical reaction, realize composite material solidification shaping.Owing to adopting outer curing process, composite ecto-entad is successively reacted by the concurrent physiology of heating, the heat causing curing reaction to produce and gas cannot be discharged, thus affect composite material solidification quality, outer curing process from the feature of external heat determine body be wound around, solidify two procedures need complete at the equipment of wrapping machine, curing oven two platform independent, and body need equipment room transhipment conveying.And heavy wall body needs repeatedly to be wound around and to solidify, cause that body production cost is high, efficiency is low.
Internal heating curing moulding process is the mode adopting heating body inner core mould, makes composite from inside to outside by heat temperature raising, thus completes curing molding.Interior curing process composite successively solidifies from inside to outside, and be beneficial to bubble and Excess resin discharge, reduce body internal stress, therefore this technique can improve composite property.The patent announced: Chinese patent " glass fiber reinforced plastic wound tube mandrel totally enclosed type type internal heating solidifying device ", publication number: CN201979646U; Chinese patent " a kind of mould that is heating and curing for winding glass fibre reinforced plastic ", application number: 200420018782.3; Chinese patent " method of winding glass fibre reinforced plastic and Special mould ", publication number: 1359786; Above-mentioned patent all describes from inside to the method that composite is heating and curing, and said apparatus and method are applied to the interior curing molding being wound around body has following problem in actual production and application:
If the medium that first adopts conduction oil to heat as core inner loop, first, conduction oil enters the core inside of rotation by swivel joint aborning, and easily leakage pollution occurs, and conduction oil is inflammable, potential safety hazard is large; Secondly, after body is heating and curing, need to cool, and conduction oil is lowered the temperature by air heat exchange usually, cooling efficiency is low, and causes energy waste.
If the medium that second adopts steam to heat as core inner loop.First, Steam Heating is applied to pipeline-like big L/D ratio core and easily causes the problem that the head and the tail temperature difference is large, and core can be formed condensed water by heating process, and the bottom being gathered in horizontal positioned body is not easily discharged, body needs to rotate in the curing process, liner is made repeatedly to experience the cooling of condensed water when forwarding bottom to, thus impact multiple material solidification quality; Secondly vapor (steam) temperature is all higher than 100 degrees Celsius, and the low temperature control difficulty of metal die realized in solidification process lower than 100 degrees Celsius is very big, and temperature control precision is very low, thus can not effectively perform gradient curing cycle, affects composite material solidification quality; Finally, high temperature and high pressure steam not easily obtains, and needing in production process to set up boiler separately and laying steam supply pipeline provides steam, adds production and administration cost.
Three, composite pipe forming technique is divided into: winding, solidification, cooling, the demoulding four operations, wherein refrigerating work procedure makes core and composite body lower the temperature rapidly, be convenient to the demoulding, and core is dropped to initial wrap temperature (as 30-40 degree Celsius), to carry out the winding of next body, above-mentioned published patent and method all only have mold heated function, there is no quick cooling function, thus greatly affect composite body quantity-produced efficiency.
Published Chinese invention patent " a kind of method and internal heating and type internal heating solidifying device CN101670633A ", that electrical heating elements is placed in mould, heating element heater is connected with power supply facilities by conducting slip ring, first, this mode of heating is by heating heating mould, heat transfer efficiency is low, heats uneven and energy consumption is large; Secondly, conducting slip ring is periodicity consumptive material, needs periodic replacement in actual applications, and poor reliability; Finally this device does not have quick cooling function.
Published Chinese invention patent " a kind of heating means of warm-up mill and warm-up mill " publication number CN 101407096A and Chinese invention patent " built-in electromagnetic warm-up mill " publication number are that CN102802291A all discloses the hot-rolling adopting Electromagnetic Heating, but heating source is all placed in roller inside, and heat along whole roller, it is less which is not suitable for diameter, or the core for high-pressure fiberglass pipe production that length is larger.In addition, Electromagnetic Heating conducting slip ring is periodicity consumptive material, needs periodic replacement in actual applications, and poor reliability; Finally this device does not have quick cooling function yet, is therefore not suitable for composite body continuous seepage core.
Summary of the invention
The object of the invention is the internal heating curing core that will solve the existing device that is heating and curing for the preparation of composite body thermal source not easily obtains, the efficiency of heating surface is low, the problem of heating accuracy and heating uniformity inequality, and a kind of Electromagnetic Heating solidifying and molding device is provided and uses it to prepare the method for filament wound composite body.
A kind of Electromagnetic Heating solidifying and molding device, it comprises electromagnetic heating coil, Electromagnetic Heating power supply, heat pipe, spray thrower, cooling fluid protective cover, cooling liquid bath, water pump, radiator, core, electromagnetic heating controller, temperature sensor and heat-conducting medium;
Described core is sleeve type structure, forms interlayer between outer wall of inner tube and outer tube wall, fills heat-conducting medium in interlayer, and heat pipe array is distributed in the heat-conducting medium in interlayer; The length of heat pipe and the length of core are than being (0.8 ~ 0.9): 1;
Electromagnetic heating coil is evenly placed at core tail end outside and does not rotate with mould, the two ends of electromagnetic heating coil are connected with electromagnetic heating controller by Electromagnetic Heating power supply, the measuring head of temperature sensor is arranged on core place, and the signal output part of temperature sensor connects the signal input part of electromagnetic heating controller;
Described spray thrower is placed in above core front end, and cooling fluid covers mandrel surface and lowers the temperature after spray thrower ejection, and then flow in cooling liquid bath, the opening of cooling fluid trench bottom connects the water inlet of water pump, and the delivery port of water pump connects radiator;
Described cooling fluid protective cover envelope is on the neighboring of spray thrower, and cooling fluid protective cover is connected with core front end, leaves space between cooling fluid protective cover and the water inlet of spray thrower;
Between the pipeline of the water inlet of cooling fluid delivery port and spray thrower, radiator is set.
Use a kind of Electromagnetic Heating solidifying and molding device to prepare the method for filament wound composite body, specifically complete according to the following steps:
First be fixed on the main shaft of wrapping machine by core, it is outside that electromagnetic heating coil is placed in core tail end, and spray thrower and cooling liquid bath are placed in the both sides up and down of core front end respectively, then set winding process parameter, start wrapping machine main shaft to rotate simultaneously, under winding dolly drives, pitch based fiber is wound on core by the technique of setting, obtains pitch based fiber wound composite body, connect electromagnetic heating coil again, the tail end of core is due to electromagnetic induction heat-dissipating, and heat is delivered to heat-conducting medium by heat pipe, heats overall core, is heated fiber and resin by core, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil is opened spray thrower simultaneously and is carried out cooling process to mould, heat pipe in mould and the heat transfer effect of heat-conducting medium make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers mandrel surface after spray thrower ejection, the cooling fluid flowed down from core flows into cooling liquid bath, the opening of cooling fluid trench bottom connects the water inlet of water pump, the delivery port of water pump connects radiator, cooling fluid through radiator process is transported and is re-started circulation and cooling down to spray thrower, treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil is shifted out from core end, and filament wound composite body is unloaded from core, namely complete the preparation of filament wound composite body.
Use a kind of Electromagnetic Heating solidifying and molding device to prepare the method for filament wound composite body, specifically complete according to the following steps:
First be fixed on the main shaft of wrapping machine by core, it is outside that electromagnetic heating coil is placed in core tail end, and spray thrower and cooling liquid bath are placed in the both sides up and down of core front end respectively, then set winding process parameter, while startup wrapping machine main shaft rotates, connect electromagnetic heating coil, under winding dolly drives, pitch based fiber is wound on core by the technique of setting, obtains pitch based fiber wound composite body, the tail end of core is due to electromagnetic induction heat-dissipating, and heat is delivered to heat-conducting medium by heat pipe, heats overall core, is heated fiber and resin by core, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil is opened spray thrower simultaneously and is carried out cooling process to mould, heat pipe in mould and the heat transfer effect of heat-conducting medium make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers mandrel surface after spray thrower ejection, the cooling fluid flowed down from core flows into cooling liquid bath, the opening of cooling fluid trench bottom connects the water inlet of water pump, the delivery port of water pump connects radiator, cooling fluid through radiator process is transported and is re-started circulation and cooling down to spray thrower, treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil is shifted out from core end, and filament wound composite body is unloaded from core, namely complete the preparation of filament wound composite body.
Advantage of the present invention and principle:
One, the core of a kind of Electromagnetic Heating solidifying and molding device of the present invention adopts the electromagnetic induction heat-dissipating of electromagnetic heating coil, temperature control precision and the efficiency of heating surface high, electromagnetic heating coil is placed in core outside, and does not rotate with core, therefore adds thermal reliability high;
Two, core of the present invention adopts local, one end Electromagnetic Heating, and the mode of one end cooling realizes the heating and cooling operation of core, drastically increases filament wound composite body continuous seepage efficiency;
Three, core inside of the present invention adopts sleeve type structure, the heat-conducting medium heat transfer that cannula cavity adopts heat pipe to strengthen, thus improves core axial thermal conductivity ability, improves die temperature uniformity;
Four, in the present invention, temperature sensor feeds back to electromagnetic heating controller and carries out closed-loop control after recording the temperature of core; Cooling fluid protective cover is biplate loop configuration; Cooling fluid protective cover is connected with core afterbody, can prevent the outside splash of cooling fluid; The discharge that steam is convenient to produce after cooling fluid meets core in suitable space is left between cooling fluid protective cover and the water inlet of spray thrower; Radiator is the cooling fluid cooling in pipeline, and the cooling fluid through radiator process is transported and carried out spray operation to spray thrower; Because electromagnetic heating coil can not isometricly be wound on core, so the heat produced concentrates on core tail end, utilize heat pipe can absorb heat fast and be delivered on core by even heat; Only also can realize by core heat transfer without heat pipe, but speed is very slow; As long as be filled with heat-conducting medium all at last due to antivacuum between heat pipe and core, but air does not have liquid thermal conductivity fast, so select liquid thermal conductivity media.
The present invention can obtain a kind of Electromagnetic Heating solidifying and molding device.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Electromagnetic Heating solidifying and molding device described in detailed description of the invention;
Fig. 2 is the sectional view of Fig. 1 along A-A.
Detailed description of the invention
Detailed description of the invention one: present embodiment is a kind of Electromagnetic Heating solidifying and molding device, is characterized in that it comprises electromagnetic heating coil 1, Electromagnetic Heating power supply 2, heat pipe 3, spray thrower 5, cooling fluid protective cover 6, cooling liquid bath 7, water pump 4, radiator 8, core 9, electromagnetic heating controller 10, temperature sensor 11 and heat-conducting medium 12;
Described core 9 is sleeve type structure, forms interlayer, fill heat-conducting medium 12 in interlayer between outer wall of inner tube and outer tube wall, in the heat-conducting medium 12 of heat pipe 3 array distribution in interlayer; The length of heat pipe 3 and the length of core 9 are than being (0.8 ~ 0.9): 1;
Electromagnetic heating coil 1 is evenly placed at core 9 tail end outside and does not rotate with mould, the two ends of electromagnetic heating coil 1 are connected with electromagnetic heating controller 10 by Electromagnetic Heating power supply 2, the measuring head of temperature sensor 11 is arranged on core 9 place, and the signal output part of temperature sensor 11 connects the signal input part of electromagnetic heating controller 10;
Described spray thrower 5 is placed in above core 9 front end, and cooling fluid covers core 9 surface after spray thrower 5 sprays, and then flow in cooling liquid bath 7, the opening bottom cooling liquid bath 7 connects the water inlet of water pump 4, and the delivery port of water pump 4 connects radiator 8;
Described cooling fluid protective cover 6 envelope is on the neighboring of spray thrower 5, and cooling fluid protective cover 6 is connected with core 9 front end, leaves space between the water inlet of cooling fluid protective cover 6 and spray thrower 5;
Between the pipeline of the water inlet of cooling fluid delivery port and spray thrower 5, radiator 8 is set.
Fig. 1 is the structural representation of a kind of Electromagnetic Heating solidifying and molding device described in detailed description of the invention; In figure, 1 is electromagnetic heating coil, and 2 is Electromagnetic Heating power supply, and 3 is heat pipe, and 4 is water pump, and 5 is spray thrower, and 6 is cooling fluid protective cover, 7 for cooling liquid bath, 8 be radiator, and 9 is core, and 10 is electromagnetic heating controller, 11 be temperature sensor, 12 be heat-conducting medium;
Fig. 2 is the sectional view of Fig. 1 along A-A; In figure, 3 is heat pipe, and 9 is core, and 12 is heat-conducting medium.
The advantage of present embodiment and principle:
One, the core 9 of a kind of Electromagnetic Heating solidifying and molding device of present embodiment adopts the electromagnetic induction heat-dissipating of electromagnetic heating coil 1, temperature control precision and the efficiency of heating surface high, it is outside that electromagnetic heating coil 1 is placed in core 9, and do not rotate with core 9, therefore adds thermal reliability high;
Two, present embodiment core 9 adopts local, one end Electromagnetic Heating, and the mode of one end cooling realizes the heating and cooling operation of core 9, drastically increases filament wound composite body continuous seepage efficiency;
Three, present embodiment core 9 inside adopts sleeve type structure, and the heat-conducting medium 12 that cannula cavity adopts heat pipe 3 to strengthen conducts heat, thus improves core 9 axial thermal conductivity ability, improves core 9 temperature homogeneity;
Four, in present embodiment, temperature sensor 11 feeds back to electromagnetic heating controller 10 and carries out closed-loop control after recording the temperature of core 9; Cooling fluid protective cover 6 is biplate loop configuration; Cooling fluid protective cover 6 is connected with core 9 afterbody, can prevent the outside splash of cooling fluid; The discharge that steam is convenient to produce after cooling fluid meets core 9 in suitable space is left between the water inlet of cooling fluid protective cover 6 and spray thrower 5; Radiator 8 is the cooling fluid cooling in pipeline, and the cooling fluid processed through radiator 8 is transported and carried out spray operation to spray thrower 5; Because electromagnetic heating coil 1 can not isometricly be wound on core 9, so the heat produced concentrates on core 9 tail end, utilize heat pipe 3 can absorb heat fast and even heat be delivered on core 9; Lean on core 9 to conduct heat without heat pipe 3 also can realize, but speed is very slow; As long as be filled with heat-conducting medium all at last due to antivacuum between heat pipe 3 and core 9, but air does not have liquid thermal conductivity fast, so select heat-conducting medium 12.
Present embodiment can obtain a kind of Electromagnetic Heating solidifying and molding device.
Detailed description of the invention two: present embodiment and detailed description of the invention one difference are: described heat-conducting medium 12 is conduction oil.Other steps are identical with detailed description of the invention one.
Detailed description of the invention three: one of present embodiment and detailed description of the invention one or two difference is: the distance between two described electromagnetic heating coil 1 is 40mm ~ 60mm.Other steps are identical with detailed description of the invention one or two.
Detailed description of the invention four: one of present embodiment and detailed description of the invention one to three difference is: the interior pipe of described core 9 and the radius ratio of outer tube are (0.5 ~ 0.7): 1.Other steps are identical with detailed description of the invention one to three.
Detailed description of the invention five: one of present embodiment and detailed description of the invention one to four difference is: described heat pipe 3 is (0.3 ~ 0.4) with the interior pipe radius ratio of core 9: 1.Other steps are identical with detailed description of the invention one to four.
Detailed description of the invention six: present embodiment is a kind of method using Electromagnetic Heating solidifying and molding device to prepare filament wound composite body, specifically completes according to the following steps:
First be fixed on the main shaft of wrapping machine by core 9, it is outside that electromagnetic heating coil 1 is placed in core 9 tail end, and spray thrower 5 and cooling liquid bath 7 are placed in the both sides up and down of core 9 front end respectively, then set winding process parameter, start wrapping machine main shaft to rotate simultaneously, under winding dolly drives, the technique of pitch based fiber by setting is wound on core 9, obtains pitch based fiber wound composite body, connect electromagnetic heating coil 1 again, the tail end of core 9 is due to electromagnetic induction heat-dissipating, and heat is delivered to heat-conducting medium 12 by heat pipe 3, heats overall core 9, is heated by core 9 pairs of fibers and resin, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil 1 is opened spray thrower 5 pairs of moulds simultaneously and is carried out cooling process, heat pipe 3 in mould and the heat transfer effect of heat-conducting medium 12 make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers core 9 surface after spray thrower 5 sprays, the cooling fluid flowed down from core 9 flows into cooling liquid bath 7, opening bottom cooling liquid bath 7 connects the water inlet of water pump 4, the delivery port of water pump 4 connects radiator 8, the cooling fluid processed through radiator 8 is transported and is re-started circulation and cooling down to spray thrower 5, treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil 1 is shifted out from core 9 end, and filament wound composite body is unloaded from core 9, namely complete the preparation of filament wound composite body.
The advantage of present embodiment and principle:
One, the core 9 of a kind of Electromagnetic Heating solidifying and molding device of present embodiment adopts the electromagnetic induction heat-dissipating of electromagnetic heating coil 1, temperature control precision and the efficiency of heating surface high, it is outside that electromagnetic heating coil 1 is placed in core 9, and do not rotate with core 9, therefore adds thermal reliability high;
Two, present embodiment core 9 adopts local, one end Electromagnetic Heating, and the mode of one end cooling realizes the heating and cooling operation of core 9, drastically increases filament wound composite body continuous seepage efficiency;
Three, present embodiment core 9 inside adopts sleeve type structure, and the heat-conducting medium 12 that cannula cavity adopts heat pipe 3 to strengthen conducts heat, thus improves core 9 axial thermal conductivity ability, improves core 9 temperature homogeneity;
Four, in present embodiment, temperature sensor 11 feeds back to electromagnetic heating controller 10 and carries out closed-loop control after recording the temperature of core 9; Cooling fluid protective cover 6 is biplate loop configuration; Cooling fluid protective cover 6 is connected with core 9 afterbody, can prevent the outside splash of cooling fluid; The discharge that steam is convenient to produce after cooling fluid meets core 9 in suitable space is left between the water inlet of cooling fluid protective cover 6 and spray thrower 5; Radiator 8 is the cooling fluid cooling in pipeline, and the cooling fluid processed through radiator 8 is transported and carried out spray operation to spray thrower 5; Because electromagnetic heating coil 1 can not isometricly be wound on core 9, so the heat produced concentrates on core 9 tail end, utilize heat pipe 3 can absorb heat fast and even heat be delivered on core 9; Lean on core 9 to conduct heat without heat pipe 3 also can realize, but speed is very slow; As long as be filled with heat-conducting medium all at last due to antivacuum between heat pipe 3 and core 9, but air does not have liquid thermal conductivity fast, so select heat-conducting medium 12.
Detailed description of the invention seven: present embodiment is a kind of method using Electromagnetic Heating solidifying and molding device to prepare filament wound composite body, specifically completes according to the following steps:
First be fixed on the main shaft of wrapping machine by core 9, it is outside that electromagnetic heating coil 1 is placed in core 9 tail end, and spray thrower 5 and cooling liquid bath 7 are placed in the both sides up and down of core 9 front end respectively, then set winding process parameter, while startup wrapping machine main shaft rotates, connect electromagnetic heating coil 1, under winding dolly drives, the technique of pitch based fiber by setting is wound on core 9, obtains pitch based fiber wound composite body, the tail end of core 9 is due to electromagnetic induction heat-dissipating, and heat is delivered to heat-conducting medium 12 by heat pipe 3, heats overall core 9, is heated by core 9 pairs of fibers and resin, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil 1 is opened spray thrower 5 pairs of moulds simultaneously and is carried out cooling process, heat pipe 3 in mould and the heat transfer effect of heat-conducting medium 12 make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers core 9 surface after spray thrower 5 sprays, the cooling fluid flowed down from core 9 flows into cooling liquid bath 7, opening bottom cooling liquid bath 7 connects the water inlet of water pump 4, the delivery port of water pump 4 connects radiator 8, the cooling fluid processed through radiator 8 is transported and is re-started circulation and cooling down to spray thrower 5, treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil 1 is shifted out from core 9 end, and filament wound composite body is unloaded from core 9, namely complete the preparation of filament wound composite body.
The advantage of present embodiment and principle:
One, the core 9 of a kind of Electromagnetic Heating solidifying and molding device of present embodiment adopts the electromagnetic induction heat-dissipating of electromagnetic heating coil 1, temperature control precision and the efficiency of heating surface high, it is outside that electromagnetic heating coil 1 is placed in core 9, and do not rotate with core 9, therefore adds thermal reliability high;
Two, present embodiment core 9 adopts local, one end Electromagnetic Heating, and the mode of one end cooling realizes the heating and cooling operation of core 9, drastically increases filament wound composite body continuous seepage efficiency;
Three, present embodiment core 9 inside adopts sleeve type structure, and the heat-conducting medium 12 that cannula cavity adopts heat pipe 3 to strengthen conducts heat, thus improves core 9 axial thermal conductivity ability, improves core 9 temperature homogeneity;
Four, in present embodiment, temperature sensor 11 feeds back to electromagnetic heating controller 10 and carries out closed-loop control after recording the temperature of core 9; Cooling fluid protective cover 6 is biplate loop configuration; Cooling fluid protective cover 6 is connected with core 9 afterbody, can prevent the outside splash of cooling fluid; The discharge that steam is convenient to produce after cooling fluid meets core 9 in suitable space is left between the water inlet of cooling fluid protective cover 6 and spray thrower 5; Radiator 8 is the cooling fluid cooling in pipeline, and the cooling fluid processed through radiator 8 is transported and carried out spray operation to spray thrower 5; Because electromagnetic heating coil 1 can not isometricly be wound on core 9, so the heat produced concentrates on core 9 tail end, utilize heat pipe 3 can absorb heat fast and even heat be delivered on core 9; Lean on core 9 to conduct heat without heat pipe 3 also can realize, but speed is very slow; As long as be filled with heat-conducting medium all at last due to antivacuum between heat pipe 3 and core 9, but air does not have liquid thermal conductivity fast, so select heat-conducting medium 12.
Claims (7)
1. an Electromagnetic Heating solidifying and molding device, is characterized in that it comprises electromagnetic heating coil (1), Electromagnetic Heating power supply (2), heat pipe (3), spray thrower (5), cooling fluid protective cover (6), cooling liquid bath (7), water pump (4), radiator (8), core (9), electromagnetic heating controller (10), temperature sensor (11) and heat-conducting medium (12);
Described core (9) is sleeve type structure, forms interlayer between outer wall of inner tube and outer tube wall, fills heat-conducting medium (12) in interlayer, in the heat-conducting medium of heat pipe (3) array distribution in interlayer (12); The length of heat pipe (3) and the length of core (9) are than being (0.8 ~ 0.9): 1;
Electromagnetic heating coil (1) is evenly placed in core (9) tail end outside and does not rotate with mould, the two ends of electromagnetic heating coil (1) are connected with electromagnetic heating controller (10) by Electromagnetic Heating power supply (2), the measuring head of temperature sensor (11) is arranged on core (9) place, and the signal output part of temperature sensor (11) connects the signal input part of electromagnetic heating controller (10);
Described spray thrower (5) is placed in above core (9) front end, cooling fluid covers core (9) surface and lowers the temperature after spray thrower (5) ejection, then flow in cooling liquid bath (7), the opening of cooling liquid bath (7) bottom connects the water inlet of water pump (4), and the delivery port of water pump (4) connects radiator (8);
Described cooling fluid protective cover (6) envelope is on the neighboring of spray thrower (5), cooling fluid protective cover (6) is connected with core (9) front end, leaves space between the water inlet of cooling fluid protective cover (6) and spray thrower (5);
Between the pipeline of the water inlet of cooling fluid delivery port and spray thrower (5), radiator (8) is set.
2. a kind of Electromagnetic Heating solidifying and molding device according to claim 1, is characterized in that described heat-conducting medium (12) is conduction oil.
3. a kind of Electromagnetic Heating solidifying and molding device according to claim 1, is characterized in that the distance between two described electromagnetic heating coil (1) is 40mm ~ 60mm.
4. a kind of Electromagnetic Heating solidifying and molding device according to claim 1, is characterized in that the interior pipe of described core (9) and the radius ratio of outer tube are (0.5 ~ 0.7): 1.
5. a kind of Electromagnetic Heating solidifying and molding device according to claim 1, is characterized in that described heat pipe (3) is (0.3 ~ 0.4) with the interior pipe radius ratio of core (9): 1.
6. use a kind of Electromagnetic Heating solidifying and molding device described in claim 1 to prepare the method for filament wound composite body, it is characterized in that specifically completing according to the following steps:
First core (9) is fixed on the main shaft of wrapping machine, it is outside that electromagnetic heating coil (1) is placed in core (9) tail end, spray thrower (5) and cooling liquid bath (7) are placed in the both sides up and down of core (9) front end respectively, then set winding process parameter, start wrapping machine main shaft to rotate simultaneously, under winding dolly drives, the technique of pitch based fiber by setting is wound on core (9), obtains pitch based fiber wound composite body, connect electromagnetic heating coil (1) again, the tail end of core (9) is due to electromagnetic induction heat-dissipating, heat is delivered to heat-conducting medium (12) by heat pipe (3), overall core (9) is heated, by core (9), fiber and resin is heated, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil (1) is opened spray thrower (5) simultaneously and is carried out cooling process to mould, heat pipe (3) in mould and the heat transfer effect of heat-conducting medium (12) make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers core (9) surface after spray thrower (5) ejection, the cooling fluid flowed down from core (9) flows into cooling liquid bath (7), the opening of cooling liquid bath (7) bottom connects the water inlet of water pump (4), the delivery port of water pump (4) connects radiator (8), the cooling fluid processed through radiator (8) is transported and is re-started circulation and cooling down to spray thrower (5), treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil (1) is shifted out from core (9) end, and filament wound composite body is unloaded from core (9), namely complete the preparation of filament wound composite body.
7. use a kind of Electromagnetic Heating solidifying and molding device described in claim 1 to prepare the method for filament wound composite body, it is characterized in that specifically completing according to the following steps:
First core (9) is fixed on the main shaft of wrapping machine, it is outside that electromagnetic heating coil (1) is placed in core (9) tail end, spray thrower (5) and cooling liquid bath (7) are placed in the both sides up and down of core (9) front end respectively, then set winding process parameter, electromagnetic heating coil (1) is connected while startup wrapping machine main shaft rotates, under winding dolly drives, the technique of pitch based fiber by setting is wound on core (9), obtains pitch based fiber wound composite body, the tail end of core (9) is due to electromagnetic induction heat-dissipating, heat is delivered to heat-conducting medium (12) by heat pipe (3), overall core (9) is heated, by core (9), fiber and resin is heated, filament wound composite body is obtained after the composite material solidification that fiber and resin are formed completes, closedown electromagnetic heating coil (1) is opened spray thrower (5) simultaneously and is carried out cooling process to mould, heat pipe (3) in mould and the heat transfer effect of heat-conducting medium (12) make whole mold temperature decline, mould after cooling is lowered the temperature to composite body, cooling fluid covers core (9) surface after spray thrower (5) ejection, the cooling fluid flowed down from core (9) flows into cooling liquid bath (7), the opening of cooling liquid bath (7) bottom connects the water inlet of water pump (4), the delivery port of water pump (4) connects radiator (8), the cooling fluid processed through radiator (8) is transported and is re-started circulation and cooling down to spray thrower (5), treat that the temperature of filament wound composite body is down to room temperature, electromagnetic heating coil (1) is shifted out from core (9) end, and filament wound composite body is unloaded from core (9), namely complete the preparation of filament wound composite body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452878.9A CN104260328B (en) | 2014-09-05 | 2014-09-05 | A kind of Electromagnetic Heating solidifying and molding device and use it to prepare the method for filament wound composite body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452878.9A CN104260328B (en) | 2014-09-05 | 2014-09-05 | A kind of Electromagnetic Heating solidifying and molding device and use it to prepare the method for filament wound composite body |
Publications (2)
| Publication Number | Publication Date |
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| CN104260328A true CN104260328A (en) | 2015-01-07 |
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| CN104723574A (en) * | 2015-03-30 | 2015-06-24 | 台州市黄岩双盛塑模有限公司 | Automatic numerical control winding machine for glass fiber composite material elbows |
| CN105046074A (en) * | 2015-07-10 | 2015-11-11 | 核工业理化工程研究院 | Method for simulating generated prestress |
| CN105371261A (en) * | 2015-12-15 | 2016-03-02 | 珠海格力电器股份有限公司 | Steam generating device and household appliance |
| CN106273533A (en) * | 2016-10-10 | 2017-01-04 | 东北林业大学 | A kind of filament wound composite body in-situ solidifying device and method |
| CN108215245A (en) * | 2018-03-07 | 2018-06-29 | 核工业理化工程研究院 | A kind of latex bonded fibre tow sample preparation device and method |
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| CN104723574A (en) * | 2015-03-30 | 2015-06-24 | 台州市黄岩双盛塑模有限公司 | Automatic numerical control winding machine for glass fiber composite material elbows |
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| CN106273533A (en) * | 2016-10-10 | 2017-01-04 | 东北林业大学 | A kind of filament wound composite body in-situ solidifying device and method |
| CN108215245A (en) * | 2018-03-07 | 2018-06-29 | 核工业理化工程研究院 | A kind of latex bonded fibre tow sample preparation device and method |
| CN109571988A (en) * | 2018-11-30 | 2019-04-05 | 合肥海银杆塔有限公司 | A kind of complex pole tower Wound Dies with acceleration solidification effect |
| CN109531888A (en) * | 2019-01-14 | 2019-03-29 | 江苏华盟新型材料科技有限公司 | Rotating pipe forming furnace |
| CN109531888B (en) * | 2019-01-14 | 2024-02-02 | 江苏华盟新型材料科技有限公司 | Rotary pipeline forming furnace |
| CN110239110A (en) * | 2019-04-16 | 2019-09-17 | 哈尔滨理工大学 | Molding machine built in a kind of homopolarity coil and prepare fibrous composite tube body method |
| CN112153768B (en) * | 2020-10-12 | 2022-09-09 | 哈尔滨理工大学 | Electromagnetic induction heating method for thermosetting molding of carbon fiber reinforced composite material |
| CN112153768A (en) * | 2020-10-12 | 2020-12-29 | 哈尔滨理工大学 | Electromagnetic induction heating method for thermosetting molding of carbon fiber reinforced composite material |
| CN113183370A (en) * | 2021-05-28 | 2021-07-30 | 西安英利科电气科技有限公司 | Progressive curing device and method with controllable temperature gradient thermal field |
| CN113263756A (en) * | 2021-05-28 | 2021-08-17 | 西安英利科电气科技有限公司 | Progressive curing device and method with gradient thermal field |
| CN114851592A (en) * | 2022-04-29 | 2022-08-05 | 哈尔滨工业大学 | Detachable electromagnetic heating mold for composite material in-situ curing |
| CN116394513A (en) * | 2023-03-03 | 2023-07-07 | 南京航空航天大学 | Multi-material additive manufacturing system and method for space on-orbit manufacturing |
| CN116130261A (en) * | 2023-04-13 | 2023-05-16 | 合肥工业大学 | High-voltage insulating sleeve capacitor core casting process based on electric field auxiliary impregnation |
| CN116130261B (en) * | 2023-04-13 | 2023-07-04 | 合肥工业大学 | High-voltage insulating sleeve capacitor core casting process based on electric field auxiliary impregnation |
| CN117055659A (en) * | 2023-10-12 | 2023-11-14 | 北京航空航天大学 | High-speed aircraft active temperature control system and method based on liquid drop evaporative cooling |
| CN117055659B (en) * | 2023-10-12 | 2023-12-15 | 北京航空航天大学 | High-speed aircraft active temperature control system and method based on liquid drop evaporative cooling |
| CN117584393B (en) * | 2024-01-19 | 2024-04-26 | 哈尔滨哈普电气技术有限责任公司 | Factory joint heating system adopting insulating molding die and application method thereof |
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