CN114872344A - Thermoplastic composite material winding equipment - Google Patents
Thermoplastic composite material winding equipment Download PDFInfo
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- CN114872344A CN114872344A CN202210281421.0A CN202210281421A CN114872344A CN 114872344 A CN114872344 A CN 114872344A CN 202210281421 A CN202210281421 A CN 202210281421A CN 114872344 A CN114872344 A CN 114872344A
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- thermoplastic composite
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- corrugated pipe
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- 238000004804 winding Methods 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 21
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 74
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 239000010453 quartz Substances 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 238000007598 dipping method Methods 0.000 claims description 15
- 238000004321 preservation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 abstract description 37
- 229920005989 resin Polymers 0.000 abstract description 37
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 19
- 238000005470 impregnation Methods 0.000 abstract description 6
- 239000003365 glass fiber Substances 0.000 description 17
- 239000011152 fibreglass Substances 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 9
- 239000011521 glass Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a thermoplastic composite material winding device which comprises an extruder, a fiber frame, an impregnation tank, a mold core rotating along the axis of the mold core and a yarn guide device moving back and forth along the axial direction of the mold core, wherein an outlet of the extruder is connected with an inlet of the impregnation tank; a flexible heating channel is arranged between the yarn guide device and the fiber outlet; one end of the flexible heating channel is connected with the side wall where the fiber outlet is located, and the other end of the flexible heating channel is connected with the side wall where the guide wire inlet is located. In the winding process, the heating device in the heat conducting pipe can keep the temperature of the impregnated fiber tows in the winding process, so that the resin is always kept in a molten state.
Description
Technical Field
The invention relates to the technical field of glass fiber winding, in particular to thermoplastic composite material winding equipment.
Background
The glass fiber reinforced plastic product has the advantages of long service life and chemical corrosion resistance, and is widely applied to the fields of chemical industry, environmental protection and the like. At present, in the production of glass fiber reinforced plastic pipes, continuous glass yarns are drawn to a yarn releasing device by an unwinding device, the yarn releasing device reciprocates along the axial direction of a core mold, and simultaneously, a pipe mold rotates around an axis at a constant speed, so that the glass yarns soaked in resin glue solution are uniformly, stably and continuously wound on the rotating pipe mold. After winding, after the resin is solidified, the core mould is removed, and the glass fiber reinforced plastic pipe or the glass fiber reinforced plastic tank can be obtained. In the winding process after impregnation, the impregnated resin is gradually cured, so that winding is not firm in the winding process, and the quality problem of the obtained glass fiber reinforced plastic pipe or glass fiber reinforced plastic tank is caused.
Disclosure of Invention
In order to solve the technical problem, the invention provides a thermoplastic composite material winding device which can ensure that tows can be wound in a molten state after being impregnated.
The specific scheme is as follows:
the thermoplastic composite material winding equipment comprises an extruder, a fiber frame, a dipping tank, a mold core rotating along the axis of the mold core and a yarn guide device moving back and forth along the axial direction of the mold core, wherein an outlet of the extruder is connected with an inlet of the dipping tank; a flexible heating channel is arranged between the yarn guide device and the fiber outlet; a heat preservation shell is arranged outside the wire guiding device, a wire guiding outlet and a wire guiding inlet are arranged on the heat preservation shell, and the wire guiding outlet faces the mold core; one end of the flexible heating channel is connected with the side wall where the fiber outlet is located, and the other end of the flexible heating channel is connected with the side wall where the guide wire inlet is located.
The flexible heating channel comprises a support corrugated pipe, a heating wire is wound in a groove on the outer side of the support corrugated pipe, and an insulating heat transfer material is wrapped outside the heating wire; the outer sleeve of the support corrugated pipe is provided with a heat insulating layer, so that the temperature of the heating wire cannot be dissipated.
The corrugation of the supporting corrugated pipe is a metal spiral corrugated pipe.
The support corrugated pipe is internally provided with a support frame with a limiting through hole, and at least one support frame is arranged along the length direction of the support corrugated pipe.
The thickness of the support frame is smaller than one corrugation width of the support corrugated pipe.
The interval between two adjacent support frames is 0.3m-1 m.
At least one limiting through hole is arranged.
The heat preservation shell is provided with an air heater, and air blown by the air heater penetrates through the interior of the heat preservation shell and is discharged from the guide wire outlet.
The two ends of the mold core are provided with hollow rotating shafts, the heating device comprises a quartz heating pipe, the quartz heating pipe penetrates through the hollow rotating shafts, and an electric wire is introduced into the quartz heating pipe; two ends of the quartz heating pipe are supported by a bracket.
And a bearing is arranged between the quartz heating pipe and the hollow rotating shafts at the two ends.
According to the winding equipment for the thermoplastic composite material, the impregnated tows pass through the flexible heating channel, the heating wires in the flexible heating channel can ensure that the resin in a molten state is always in a molten state, the linear motor drives the filament guiding device to reciprocate during winding, the supporting corrugated pipe can extend along with the movement of the filament guiding device, safety accidents caused by the movement of a fiber frame are avoided, and the problem of temperature reduction of the impregnated tows after leaving the flexible heating channel is solved by the hot air blower. In the winding process, the heating device in the heat conducting pipe can keep the temperature of the impregnated fiber tows in the winding process, so that the resin is always kept in a molten state.
Drawings
FIG. 1 is a front view of a thermoplastic composite winding apparatus;
FIG. 2 is a top view of a thermoplastic composite winding apparatus;
FIG. 3 is a schematic structural view of the flexible heating channel of FIG. 2;
FIG. 4 is a first embodiment of a cross-sectional view A-A of FIG. 3;
FIG. 5 is a second embodiment of a cross-sectional view A-A of FIG. 3;
fig. 6 is a partially enlarged view of B in fig. 3.
In the figure: the device comprises a flexible heating channel 1, a supporting corrugated pipe 11, a heat insulating layer 12, a heating wire 13, a supporting frame 14, a limiting through hole 141, a yarn guide device 2, a heat preservation shell 21, an air heater 22, a guide roller system 23, an extruder 3, a dipping tank 4, a fiber frame 5, a mold core 6 and a quartz heating pipe 61.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the implementations of the present invention, and not all implementations, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without any inventive work are within the scope of the present invention.
As shown in fig. 1-6, the winding apparatus for thermoplastic composite material comprises an extruder 3, a fiber frame 5, a dipping tank 4 and a mold core 6 rotating along its axis, the mold core 6 is provided with a heating device, an outlet of the extruder is connected with an inlet of the dipping tank, two side arms of the dipping tank adjacent to the side wall of the inlet of the dipping tank are respectively provided with a fiber inlet and a fiber outlet, the fiber frame 5 is positioned at one side of the fiber inlet, the mold core is positioned at one side of the fiber outlet, a guide wire device 2 is arranged between the mold core 6 and the dipping tank 4, the guide wire device 2 reciprocates along the axis direction of the mold core 6, a heat preservation shell 21 is arranged outside the guide wire device 2, the heat preservation shell 21 is provided with a guide wire outlet and a guide wire inlet, a flexible heating channel 1 is arranged between the guide wire device 2 and the dipping tank 4, one end of the flexible heating channel 1 is fixed on the side wall of the fiber outlet of the dipping tank 4, the other end is fixed on the side wall where the guide wire inlet is positioned and connected. The cross-sectional area of the flexible heating channel 1 may be circular or oblate.
The heat preservation shell 21 is internally provided with a hot air blower 22, the hot air blower 22 faces the guide wire outlet, the guide wire outlet faces the mold core 6, and the resin of the impregnated fiber at the beginning of winding is ensured to be in a molten state. The resin is heated in the extruder 3 to reach the melting temperature of the resin and become molten resin, the molten resin is conveyed into the impregnation tank 4 through the extruder 3, a plurality of rolls of glass fiber rolls are arranged on the fiber frame 5, the glass fiber tows penetrate into the impregnation tank 4 to be infiltrated, the molten resin is wrapped on the glass fiber tows, and the impregnated tows are connected with the mold core 6 through the flexible heating channel 1 and the yarn guide device 2. Through the reciprocating motion of wire device 2 to and the rotation of mold core 6 around its self axis for the silk bundle that has the molten state resin is twined on mold core 6, because the resin of molten state has certain stickness, can the adhesion together each other, and the winding is accomplished the back, and the cooling is stereotyped, forms glass steel pipe or glass steel tank.
The extruder 3 is also called a screw extruder 3, and the screw extruder 3 can fully plasticize and uniformly mix materials by means of pressure and shearing force generated by rotation of a screw, and the materials are molded through a die. A single-screw extruder or a double-screw extruder is selected in the device. The resin in a molten state may be discharged into the impregnation tank 4.
After dipping, winding is carried out, the period of time should ensure that the resin is always in a molten state to avoid the resin from solidifying, a flexible heating channel 1 is arranged between a dipping tank 4 and a wire guide device 2, one end of the flexible heating channel 1 needs to move back and forth along with the wire guide device 2 in the winding process of the flexible heating channel 1, so the flexible heating channel 1 needs to have the telescopic characteristic, a support corrugated pipe 11 is selected as a main component of the flexible heating channel 1, the support corrugated pipe 11 is selected from a metal corrugated pipe, the metal corrugated pipe is a pipe with a regular wave shape, the common metal corrugated pipe comprises carbon steel, stainless steel, lining plastic, aluminum and the like. The ripples of supporting corrugated pipe 11 chooses the screw-tupe for use, and the convenient winding has heater strip 13 in supporting corrugated pipe 11 outside recess, and heater strip 13 is connected with external power supply electricity, avoids taking place the short circuit between heater strip 13 and the corrugated metal pipe, should wrap up insulating heat transfer material outside heater strip 13.
In order to avoid that the heat of the heating wire 13 is dissipated to the air in the process of adding, a heat insulating layer 12 is required to be sleeved outside the support corrugated pipe 11, so that the temperature of the heating wire 13 is not dissipated to the air, the temperature in the support corrugated pipe 11 is not lower than the melting temperature of the resin, and the resin is always wrapped outside the glass fiber strands in a molten state in the flexible heating channel 1 and is not solidified and hardened.
In order to prevent the supporting corrugated pipe 11 from contacting with the inner wall of the supporting corrugated pipe 11 in the rotating process, the resin wrapped on the glass fiber tows is scraped off by the inner wall of the corrugated pipe, and the resin rate of the wound glass fiber reinforced plastic pipe or glass fiber reinforced plastic tank is insufficient, so that defective products are caused. The supporting frame 14 with the limiting through hole 141 is arranged in the corrugated pipe, and the thickness of the supporting frame 14 is smaller than the width of one corrugation in the corrugated pipe, so that the supporting frame 14 is directly fixed in one corrugation in the supporting corrugated pipe 11, and the supporting corrugated pipe 11 is prevented from generating counterforce between the supporting frame 14 and the supporting corrugated pipe 11 in the rotating process, and the corrugated pipe is easily damaged. The junction of the support frame 14 and the inner wall of the support corrugated pipe 11 can also be connected through ball hinge connection, so that the support frame 14 can rotate along with the rotation of the support corrugated pipe 11, and the situation that the support corrugated pipe 11 rotates to generate counterforce between the support frame 14 and the support corrugated pipe 11 is avoided, and the corrugated pipe is easily damaged is avoided.
At least one support frame 14 is arranged in the support corrugated pipe 11 and can be arranged along the length direction of the support corrugated pipe 11, the interval between two adjacent support frames 14 is arranged according to the length of the support corrugated pipe 11, and the interval selected in the invention is 0.3m-1 m. If the length of the supporting corrugated pipe 11 is too long, and the number or arrangement of the supporting frames 14 is not uniform, a break angle is easily generated in the flexible heating channel 1 by the glass fiber bundles in the rotating process of the supporting corrugated pipe 11, so that the resin in a molten state is scraped off by the supporting frames 14 or the inner wall of the supporting corrugated pipe 11, the resin rate of the wound glass fiber reinforced plastic pipe or glass fiber reinforced plastic tank is insufficient, and defective products are caused.
In order to improve the processing efficiency, a plurality of glass fiber tows are wound simultaneously, a plurality of limiting through holes 141 need to be formed in the support frame 14, the number of the limiting through holes 141 is determined according to the width of the support corrugated pipe 11, and the number of the limiting through holes 141 is formed in the middle of the support frame 14 as much as possible. The distance between two adjacent limiting through holes 141 is determined according to the overall width of the support frame 14, and if the interval between two adjacent limiting through holes 141 is too close, interference between two glass fiber tows may be generated in the rotation process of the support corrugated pipe 11. Affecting the process and causing unnecessary troubles.
The heat insulation layer 12 can prevent that the heat that the heating wire produced from giving off in the air, cause the waste of the energy, the cover is equipped with heat insulation layer 12 in the support bellows 11 outside, heat insulation layer 12 is isolated inside support bellows 11 with the heat that the heating wire produced for the inside temperature of support bellows 11 is not less than the melting temperature of resin all the time, the material of heat insulation layer 12 can be the asbestos, or still can be aerogel felt, vacuum plate etc.. A coat may be provided outside the insulating layer 12 to protect the insulating layer 12 from damage to the insulating layer 12.
One end of the flexible heating channel 1 is fixed with the side wall of the dipping tank 4, and the other end is fixedly connected with the thread guide device 2. The flexible heating channel 1 can be connected to the side wall of the immersion tank 4 or the thread guide 2 by screwing, screwing or hot-melt welding, respectively. In the process of reciprocating movement of the yarn guide device 2, the other end of the flexible heating channel 1 starts to move along with the yarn guide device, and the yarn guide device cannot fall off in the process of movement, so that the smooth operation of the whole process is ensured.
The reciprocating movement of the thread guiding device 2 can be driven by a linear motor, and can also be driven by a cylinder or a lead screw, and the linear motor is a transmission device which directly converts electric energy into linear motion mechanical energy without any intermediate conversion mechanism. The most common types of linear motors are flat and U-slot, and tubular.
The seal wire outlet of the seal wire device 2 faces the mold core 6, and the distance between the seal wire outlet and the mold core 6 is not far away, the hot air blower 22 is arranged in the seal wire device 2, the hot air blower 22 can be used for keeping the temperature in the seal wire device 2, so that the package on the glass fiber tows can not be solidified, hot air blown out by the hot air blower 22 is discharged from the seal wire outlet, so that the resin always keeps a molten state at a distance between the seal wire device 2 and the mold core 6, and when the resin is wound, the resin can be adhered together.
In order to prevent the glass fiber tows from being scraped in the yarn guide device 2 when leaving the yarn guide device 2 and facilitate the leaving direction of the glass fiber tows to adapt to yarn guide outlets with different angles, a guide roller system 23 is arranged in the yarn guide device 2, so that the direction of the glass fiber tows in the yarn guide device 2 can be conveniently adjusted.
The mold core 6 and the heating device form a heat-preservation winding structure, hollow rotating shafts are arranged at two ends of the mold core 6, the heating device comprises a quartz heating pipe, the quartz heating pipe penetrates through the hollow rotating shafts, and an electric wire is introduced into the quartz heating pipe 61; the quartz heating tube 61 is supported by a bracket at both ends. And a bearing is arranged between the quartz heating pipe 61 and the hollow rotating shafts at the two ends. When the mold core 6 rotates, the quartz heating pipe 61 does not rotate conveniently, and the resin can be insulated in the winding process.
The working process is as follows: the resin is placed in screw extruder 3, heat in screw extruder 3 and melt for solid-state resin becomes the molten state, the resin of molten state passes through screw extruder 3, be carried to in impregnating tank 4, set up many rolls of glass fiber book on the fibre frame 5, penetrate the impregnating tank 4 with the glass fiber silk bundle, soak, it has the resin of molten state to make the parcel on the glass fiber silk bundle, the silk bundle after the flooding passes spacing through-hole 141 inside flexible heating channel 1 in proper order, later through the inside guide roll system 23 of wire guide 2, wear out wire guide 2 at last and be connected with mold core 6. Reciprocating motion through wire guide device 2, and the rotation of mold core 6 around its self axis, make the silk bundle that has the molten state resin twine on mold core 6, when starting work, will connect external power source with heater strip 13 in the flexible heating passageway 1 and energize, air heater 22 should also be opened, make the inside temperature of flexible heating passageway 1 and wire guide device 2 be on resin melting temperature all the time, because the resin of molten state has certain stickness, can the adhesion together each other, after the winding is accomplished, the cooling is stereotyped, form glass steel pipe or glass steel tank.
According to the winding equipment for the thermoplastic composite material, the impregnated tows pass through the flexible heating channel 1, the heating wires 13 in the flexible heating channel 1 can ensure that the resin in a molten state is always in a molten state, and the limiting through holes 14 can ensure that the glass fiber tows cannot interfere with the supporting corrugated pipe 11 or two adjacent tows in the flexible heating channel 1. During winding, the linear motor drives the yarn guide device 2 to move back and forth, the supporting corrugated pipe 11 can extend along with the movement of the yarn guide device 2, safety accidents caused in the moving process of the fiber frame 5 are avoided, and the hot air fan 22 ensures that the temperature of the impregnated yarn bundle is reduced after the impregnated yarn bundle leaves the flexible heating channel 1, so that the resin is always ensured to be in a molten state.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. The winding equipment for the thermoplastic composite material comprises an extruder, a fiber frame, a dipping tank, a mold core rotating along the axis of the mold core and a yarn guide device moving back and forth along the axial direction of the mold core, wherein an outlet of the extruder is connected with an inlet of the dipping tank; a flexible heating channel is arranged between the yarn guide device and the fiber outlet; a heat preservation shell is arranged outside the wire guiding device, a wire guiding outlet and a wire guiding inlet are arranged on the heat preservation shell, and the wire guiding outlet faces the mold core; one end of the flexible heating channel is connected with the side wall where the fiber outlet is located, and the other end of the flexible heating channel is connected with the side wall where the guide wire inlet is located.
2. The thermoplastic composite winding device according to claim 1, wherein the flexible heating channel comprises a support corrugated pipe, a heating wire is wound in a groove on the outer side of the support corrugated pipe, and an insulating heat transfer material is wrapped outside the heating wire; the outer sleeve of the support corrugated pipe is provided with a heat insulating layer, so that the temperature of the heating wire cannot be dissipated.
3. The thermoplastic composite winding apparatus of claim 2 wherein the corrugations of the support bellows are metal helical bellows.
4. The thermoplastic composite material winding device according to claim 2, wherein at least one support frame with a limiting through hole is arranged inside the support corrugated pipe, and the support frame is arranged along the length direction of the support corrugated pipe.
5. The thermoplastic composite winding apparatus of claim 4 wherein the support frame has a thickness less than one corrugation width of the support bellows.
6. The thermoplastic composite winding apparatus of claim 4 wherein the spacing between two adjacent supports is 0.3m to 1 m.
7. The thermoplastic composite winding apparatus of claim 4 wherein at least one of said limiting through holes is provided.
8. The thermoplastic composite winding apparatus according to claim 1, wherein a hot air blower is installed on the heat-insulating housing, and air blown by the hot air blower passes through the inside of the heat-insulating housing and is discharged from the guide wire outlet.
9. The thermoplastic composite material winding equipment according to claim 1, wherein hollow rotating shafts are arranged at two ends of the mold core, the heating device comprises a quartz heating pipe, the quartz heating pipe penetrates through the hollow rotating shafts, and an electric wire is introduced into the quartz heating pipe; two ends of the quartz heating pipe are supported by a bracket.
10. The thermoplastic composite winding apparatus of claim 1, wherein bearings are disposed between the quartz heating tube and the hollow rotating shafts at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210281421.0A CN114872344A (en) | 2022-03-22 | 2022-03-22 | Thermoplastic composite material winding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210281421.0A CN114872344A (en) | 2022-03-22 | 2022-03-22 | Thermoplastic composite material winding equipment |
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|---|---|
| CN114872344A true CN114872344A (en) | 2022-08-09 |
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| CN202210281421.0A Pending CN114872344A (en) | 2022-03-22 | 2022-03-22 | Thermoplastic composite material winding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116878999A (en) * | 2023-09-01 | 2023-10-13 | 北京科技大学 | Preparation device, preparation system and preparation method of thermoplastic resin micro-debonding sample |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2001142A1 (en) * | 1988-10-21 | 1990-04-21 | Tatsuki Matsuo | Molding material for thermoplastic composites |
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| CN116878999B (en) * | 2023-09-01 | 2023-12-08 | 北京科技大学 | Preparation device, preparation system and preparation method of thermoplastic resin micro-debonding sample |
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