CN107097436A - The production method and process units of a kind of fibre reinforced thermoplastic composite - Google Patents
The production method and process units of a kind of fibre reinforced thermoplastic composite Download PDFInfo
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- CN107097436A CN107097436A CN201610092434.8A CN201610092434A CN107097436A CN 107097436 A CN107097436 A CN 107097436A CN 201610092434 A CN201610092434 A CN 201610092434A CN 107097436 A CN107097436 A CN 107097436A
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
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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
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
- B29C70/523—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement in the die
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Abstract
The invention discloses a kind of production method of fibre reinforced thermoplastic composite and process units, it provides a kind of new thermoplastics type's carbon fibre reinforced composite for the weak point of existing heat curing-type carbon fibre reinforced composite, is combined using elastic polyurethane body rubber and carbon fiber.The mode that the Combined Mining of TPU and carbon fiber is infiltrated with melting pultrusion, using the round roller of different arrangements, the carbon fiber wire being entangled on reel is first dispersed into marshalling fiber band in uniform thickness, reduce the distance of thermoplastics type's TPU resin penetrations, by single screw rod extrusion injection machine motive force and infiltration cylindrical roll between molten resin film pressure by thermoplastics type's TPU resin penetrations of melting into fibre bundle, thermoplastics type's carbon fibre reinforcement that this programme is made is to filametntary damage very little, and the temperature-controllable of heating, reduce the decomposition of TPU resins, various process parameters easily can be adjusted and adjust.The wellability of resin and fiber is very good, and production efficiency is high.
Description
Technical field
The present invention relates to advanced composite material (ACM) technical field, more particularly to a kind of have that outstanding mechanical property and specific modulus, intensity are high, shaping efficiency is high, can be with the production method and process units of the fibre reinforced thermoplastic composite of recycling.
Background technology
Carbon fiber is by organic precursors fiber（Such as viscose, polyacrylonitrile or pitch）It is made using high-temperature decomposition under the inert gas of 1000~3000 degree of high temperature.The result is that all elements in addition to carbon are all removed.Carbon fiber is in black, it is hard, it is the fiber with highest specific strength and highest specific modulus in the high-performance fiber largely produced at present, it is a kind of new material of excellent in mechanical performance, its proportion is less than the 1/4 of steel, but tensile strength is general all in more than 3500Mpa, is 7 ~ 9 times of steel, tensile modulus of elasticity is 23000 ~ 43000Mpa, is also higher than steel.The specific strength for the carbon fibre reinforced composite being composited using carbon fiber and other materials（That is the ratio between intensity of material and its density）It can reach more than 2000Mpa/ (g/cm3), and the specific strength of A3 steel is only 59Mpa/ (g/ cm3) left and right, its specific modulus is also higher than steel.The specific strength of material is higher, then member dead weight is smaller, specific modulus is higher, then the rigidity of component is bigger, therefore there is very excellent performance using the composite of fibre reinforced, there are many applications in fields such as wind-power electricity generation, Aero-Space, automobile, building, computer, space optics structures, being increasingly becoming modern high technology field most has a kind of composite of application prospect.
Carbon fibre reinforced composite is classified by matrix, is mainly divided to two major classes：One class is reinforcedathermoset matrices, such as common epoxy resin, unsaturated polyester resin；Another kind of is thermoplastic matrix, such as common nylon, polyethers ether ketone resin.This two classes matrix material has many different properties.The shaping of reinforcedathermoset matrices is the chemical reaction using resin（Bridging reaction）, solidification etc. chemical binding state change realize, its process is irreversible.In contrast to this, thermoplastic matrix is realized using the change of the thawing of resin, flowing, cooling, the physical state of solidification.The change of its physical state is reversible, i.e., reshaping, processing are possible.
Thermosetting resin based composites are most studied at present, apply to obtain a kind of most wide composite, the use of most resin is still phenolic resin, unsaturated this three big thermosetting resin of poly- junket resin and epoxy resin in thermosetting resin based composites, because epoxy resin and wellability in carbon fiber recombination process are good, deformation is small, it is preferred resin in thermosetting carbon fibre composite, consumption is maximum.Because the solidification of thermosetting epoxy resin collective is to utilize chemical reaction, curing agent, resin and curing agent chemical reaction cross moulding are added, therefore this reaction needs a process, it is irreversible in addition, the shaping efficiency of this composite is determined than relatively low, further, since solidification process is irreversible, therefore, it is not recyclable, once existing defects in solidification process, can only scrap.Therefore, for high-performance fiber, lose very big.
In recent years, the development with high-performance high-temperature resistant thermoplastic resin and the continuous maturation of composite forming processing technology, thermoplastic composite turn into exploitation focus the most noticeable in field of compound material.Compare same with thermosetting compound material, and thermoplastic composite has higher fracture toughness, chemical-resistant resistance and water resistance, and hot formability can good, productivity ratio be high, forming method is more, technique is simple, with short production cycle, and with multiple machinability.Therefore the research and development of thermoplas tic resin composite is the heat subject of current developed country's field of compound material research.
However, the most poor mechanical property of the thermoplastic composite produced in the prior art, low intensity, and specific modulus is low, shaping efficiency is low, is restricted its production application.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided the production method and process units of a kind of fibre reinforced thermoplastic composite, its fibre reinforced thermoplastic composite produced has outstanding mechanical property and specific modulus, intensity is high, shaping efficiency is high, can be with recycling, can be with large-scale application in fields such as Aero-Space, automobile, medicine equipment, 3C numbers.
To solve problems of the prior art, the concrete technical scheme that the present invention is used is：
A kind of production method of fibre reinforced thermoplastic composite, it comprises the following steps：
S1, carbon fiber wire control the resistance of carbon fiber reel yarn from wire vent on carbon fiber guide frame, and by adjusting carbon fiber guide frame, carbon fiber wire is had certain pretension after being come out from carbon fiber guide frame；
S2, the carbon fiber wire with certain pretension is allowed to be uniformly dispersed by sub-wire system, and proper alignment is into carbon fiber tape in uniform thickness；
S3, by carbon fiber tape by pre- hot-rolling, the moisture absorbed in the fiber of carbon fiber tape is evaporated, while carbon fiber tape is heated to certain temperature；
S4, by TPU（TPUE rubber）Plastic grain adds extrusion injection machine, under the double action of extrusion injection machine and dip roll, and the extruded injection machine of TPU resins of melting squeezes into the carbon fiber wire band after preheated roller is preheated, and obtains preliminary prepreg tape；
S5, prepreg tape stretch the prepreg tape of bending by cooling and polishing roll；
S6, the prepreg tape being straightened enter the recovery system of prepreg, obtain complete thermoplastics type's fibre reinforced TPU plastic sheets.
Present invention also offers a kind of process units of fibre reinforced thermoplastic composite, it includes carbon fiber guide frame, sub-wire system, scattered pre-heating system, molten resin fiber soaking system, the trailer system being sequentially connected, and the resin feeding system located at the molten resin fiber soaking system side；The sub-wire system includes carbon fiber sub-wire wrapping machine and the multiple sub-wire round rollers being dislocatedly distributed being sequentially connected therewith；The scattered pre-heating system includes pre- hot-rolling, and carbon fiber bundle is wrapped in outside pre- hot-rolling under certain cladding angle；The molten resin fiber soaking system includes spout roller, dip roll and the pressure roller successively set, the spout roller is provided with mouth mold on parallel to its roll axial direction, carbon fiber bundle is scattered in below mouth mold, the dip roll by multiple roller groups into, the multiple dip roll is interspersed in the both sides of carbon fiber bundle, the centre of the dip roll is provided with heater, and the dip roll intermeshing of the pressure roller and rear end is set；Described resin feeding system one end is provided with plastic outlet, and the plastic outlet connects setting with the mouth mold of spout roller.
It is preferred that scheme, the carbon fiber creel includes tube, creel axle and the silk guide frame on creel axle, and the tube is outside creel axle, and the two ends of the creel axle are provided with rubber sheet gasket and fixing nut, the silk guide frame is provided with thread eye, and the thread eye is MGA（MGA is a series of oily nylon）Oily nylon6 chips thread eye.
Further preferred scheme, a diameter of 40mm of the tube, length is 100 ~ 400mm.
Bearing is provided between scheme still further preferably, tube and the creel axle.
The temperature control device for adjusting preheating roll surface temperature is additionally provided with scheme still more preferably, the scattered pre-heating system.
The resin feeding system includes being provided with rotary screw in upper barrel and the cartridge heater located at upper barrel bottom, the cartridge heater, and the rotary screw is driven by the motor located at cartridge heater one end to be rotated, and the plastic outlet is located at the other end of cartridge heater.
Back lash between the pressure roller and dip roll is adjustable.
The trailer system includes an initiative compression roller and two driven rollers, and carbon fiber bundle is wound on initiative compression roller.
The power resources of the trailer system are stepper motor.
By using such scheme, compared with prior art, it has technical effect that for the production method and process units of a kind of fibre reinforced thermoplastic composite of the invention：
1st, the present invention uses TPUE rubber（TPU）It is combined with carbon fiber, this composite, with outstanding mechanical property and specific modulus, have the advantages that simultaneously shaping efficiency it is high, can be with recycling, it compensate for the low and unrenewable shortcoming of conventional thermosetting carbon fibre material shaping efficiency, it is higher by much than adopting plastic products intensity made of plastic at present simultaneously, can be with large-scale application in Aero-Space, the field such as automobile, medicine equipment, 3C numbers.
2nd, the present invention reduces TPU resin penetrations to the distance of carbon fiber bundle, substantially increases the wetting efficiency of carbon fiber by the way that carbon fibre tow is disperseed and preheated.
3rd, using the pre-impregnation device of roll, the performance of carbon fiber bundle is not damaged, and increase resin penetration adds wetting velocity and wettability to the penetration of carbon fiber.
4th, the present invention uses global design, and Parameter adjustable is easy to optimize the technique infiltrated, meanwhile, the convenient compound research carried out to other thermoplastic mold bases.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of the process units of fibre reinforced thermoplastic composite of the invention；
Fig. 2 is a kind of structural representation of the resin feeding system of the process units of fibre reinforced thermoplastic composite of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to instantiation and referring to the drawings, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the scope of the present invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring idea of the invention.
The present invention provides a kind of new thermoplastics type's carbon fibre reinforced composite for the weak point of existing heat curing-type carbon fibre reinforced composite, using elastic polyurethane body rubber（Abbreviation TPU）With carbon fiber（carbon fiber）It is combined.
The mode that the Combined Mining of TPU and carbon fiber is infiltrated with melting pultrusion, using the round roller of different arrangements, the carbon fiber wire being entangled on reel is first dispersed into marshalling fiber band in uniform thickness, reduce the distance of thermoplastics type's TPU resin penetrations, by single screw rod extrusion injection machine motive force and infiltration cylindrical roll between molten resin film pressure by thermoplastics type's TPU resin penetrations of melting into fibre bundle, thermoplastics type's carbon fibre reinforcement that this programme is made, to filametntary damage very little, and the temperature-controllable of heating, reduce the decomposition of TPU resins, various process parameters easily can be adjusted and adjust.The wellability of resin and fiber is very good, and production efficiency is high.
Its specific production method is：
S1, carbon fiber wire control the resistance of carbon fiber reel yarn from wire vent on carbon fiber guide frame, and by adjusting carbon fiber guide frame, carbon fiber wire is had certain pretension after being come out from carbon fiber guide frame；
S2, the carbon fiber wire with certain pretension is allowed to be uniformly dispersed by sub-wire system, and proper alignment is into carbon fiber tape in uniform thickness；
S3, by carbon fiber tape by pre- hot-rolling, the moisture absorbed in the fiber of carbon fiber tape is evaporated, while carbon fiber tape is heated to certain temperature；
S4, by TPU（TPUE rubber）Plastic grain adds extrusion injection machine, under the double action of extrusion injection machine and dip roll, and the extruded injection machine of TPU resins of melting squeezes into the carbon fiber wire band after preheated roller is preheated, and obtains preliminary prepreg tape；
S5, prepreg tape stretch the prepreg tape of bending by cooling and polishing roll；
S6, the prepreg tape being straightened enter the recovery system of prepreg, obtain complete thermoplastics type's fibre reinforced TPU plastic sheets.
Present invention also offers a kind of process units of fibre reinforced thermoplastic composite, as depicted in figs. 1 and 2, it includes carbon fiber guide frame, sub-wire system 1, scattered pre-heating system 2, molten resin fiber soaking system 3, the trailer system 4 being sequentially connected, and the resin feeding system 5 located at the molten resin fiber soaking system side.
The sub-wire system 1 includes carbon fiber sub-wire wrapping machine and the multiple sub-wire round rollers 6 being dislocatedly distributed being sequentially connected therewith.
The scattered pre-heating system 2 includes pre- hot-rolling 7, and carbon fiber bundle is wrapped under certain cladding angle outside pre- hot-rolling 7, and the temperature control device for adjusting preheating roll surface temperature is additionally provided with the scattered pre-heating system 2.
The molten resin fiber soaking system 3 includes spout roller 8, dip roll 9 and the pressure roller 10 successively set, the spout roller 8 is provided with mouth mold on parallel to its roll axial direction, carbon fiber bundle is scattered in below mouth mold, the dip roll 9 by multiple roller groups into, the multiple dip roll 9 is interspersed in the both sides of carbon fiber bundle, the centre of the dip roll 9 is provided with heater, and a dip roll 9 intermeshing of the pressure roller 10 and rear end is set and back lash is adjustable.
The trailer system 4 includes an initiative compression roller and two driven rollers, and carbon fiber bundle is wound on initiative compression roller.The power resources of the trailer system are stepper motor.
The resin feeding system 5 includes upper barrel 12 and the cartridge heater 13 located at the upper bottom of barrel 12, rotary screw 14 is provided with the cartridge heater 13, the rotary screw 14 drives rotation by the motor 15 located at cartridge heater one end, the other end of the cartridge heater is provided with plastic outlet 11, and the plastic outlet 11 connects setting with the mouth mold of spout roller 8.
The concrete composition to each system is described in detail below：
（1）, carbon fiber guide frame
The carbon fiber creel that the present invention is used uses beam barrel structure, and creel two ends have in a pair of concentric bearings supports, bearing fixing axle, the outer wall fixation tube of bearing, the diameter 40mm of tube, and length is between 100 ~ 400mm.There are rubber sheet gasket and fixing nut in the two ends of creel axle, by adjusting the frictional force between rubber sheet gasket and nut, can be with the resistance between control shaft and cylinder, to adjust the speed of tube and the pretension of fiber wire vent, there is silk guide frame on creel axle, thread eye is fixed in silk guide frame, thread eye is processed using the oily nylon6 chips of MGA, this oily nylon6 chips have the effect of self-lubricating, it is ensured that wire vent it is smooth.
（2）, sub-wire system
The sub-wire system of the present invention uses commercially available carbon fiber sub-wire wrapping machine, and a branch of carbon fiber is dispersed into uniform neat carbon fiber one-way band by the sub-wire wrapping machine by different several round rollers.
（3）, scattered pre-heating system
Scattered pre-heating system is realized by a pre- hot-rolling, carbon fiber bundle passes through pre- hot-rolling under certain cladding angle, fiber is preheated, on the one hand it is beneficial to the infiltration of TPU resins, still further aspect can make the moisture evaporation that fiber surface absorbs, avoid during compound, the wettability formed between blibbing reduction resin and fiber, the surface temperature of pre- hot-rolling is adjustable by temperature control device, make temperature constant in a controllable scope, temperature is too high to be damaged fiber surface, the too low heat effect to fibre bundle of temperature is not obvious, will be according to fiber and the fusing point of resin, optimal preheating temperature repeatedly is set after adjustment.
（4）, resin feeding system
Resin feeding system is the single-screw extruder of complete set, and extruder is heated by a machine barrel completion with a screw rod and spiral channel, pressurizeed, the process of extrusion.TPU plastic granules enter cartridge heater by the upper barrel of cartridge heater one end, then by the other end of screw conveyer to cartridge heater, outside heating and in the interior heat that plastics and screw rod are produced due to friction, plastics is become soft fusing and is extruded.
（5）, molten resin fiber soaking system
Molten resin fiber soaking system is mainly made up of spout roller, dip roll, pressure roller, this set system is core apparatus prepared by whole composite, spout roller is provided with mouth mold in the direction parallel to roller bearing, resin passes through extruder plastifying fusion, from spout roller die extrusion, there is certain extrusion pressure from the resin melt of die extrusion, at this pressure, melt penetrates into the fibre bundle by mouth mold.After infiltration by spout roller, the wettability of resin and fiber is it cannot be guaranteed that uniform, it is understood that there may be starved or Fu Jiao areas, and the content of resin is also uneven, in order to overcome these defects, it is necessary to further be infiltrated by dip roll.Dip roll is by multiple roller groups into there is heater centre, and preliminary pre- dipped fibre bundle passes sequentially through multiple dip rolls, and carbon fiber bundle is impregnated from both direction.Complete fibre bundle is infiltrated finally by pressure roller, pressure roller is intermeshed with dip roll, it is the fibre bundle upper and lower surface passed through by 2 pressure, under the effect of the pressure, resin is set further to be infiltrated with fiber, while playing a part of crowded mouth mold, by adjusting the gap between pressure roller and dip roll, the content of resin in fiber can also be adjusted.
（6）, trailer system
Trailer system is made up of a two driven hold-down roller systems of active, and fiber, which is wound into drive roll, to be fastened, and the power of traction is mainly derived from stepper motor.
Its operation principle is as follows：The resistance of carbon fiber reel yarn is controlled by adjusting carbon fiber guide frame, make carbon fiber wire that there is certain pretension after being come out from guide frame, then obtain uniform scattered by scattered roller system, it is arranged in neat carbon carbon fiber tape in uniform thickness, carbon fiber tape passes through pre- hot-rolling, evaporate the moisture absorbed in fiber, simultaneously carbon fiber heating to certain temperature, then molten resin fiber soaking system is passed through, under the double action of extrusion injection machine and dip roll, the TPU resins of melting are squeezed into carbon fiber wire band, obtain preliminary preimpregnation, then cooling and polishing roll are passed through, the preliminary prepreg tape of bending is stretched, subsequently into the recovery system of prepreg, obtain complete thermoplastics type's fibre reinforced TPU plastic sheets.
The foregoing is merely illustrative of the preferred embodiments of the present invention, the protection domain being not intended to limit the invention, within the spirit and principles of the invention, any modification for being made, equivalent substitution, is all contained within protection scope of the present invention.
Claims (10)
1. a kind of production method of fibre reinforced thermoplastic composite, it is characterised in that it comprises the following steps：
S1, carbon fiber wire control the resistance of carbon fiber reel yarn from wire vent on carbon fiber guide frame, and by adjusting carbon fiber guide frame, carbon fiber wire is had certain pretension after being come out from carbon fiber guide frame；
S2, the carbon fiber wire with certain pretension is allowed to be uniformly dispersed by sub-wire system, and proper alignment is into carbon fiber tape in uniform thickness；
S3, by carbon fiber tape by pre- hot-rolling, the moisture absorbed in the fiber of carbon fiber tape is evaporated, while carbon fiber tape is heated to certain temperature；
S4, TPU plastic grains are added to extrusion injection machine, under the double action of extrusion injection machine and dip roll, the carbon fiber wire band that the extruded injection machine of TPU resins of melting is squeezed into after preheated roller preheating obtains preliminary prepreg tape；
S5, prepreg tape stretch the prepreg tape of bending by cooling and polishing roll；
S6, the prepreg tape being straightened enter the recovery system of prepreg, obtain complete thermoplastics type's fibre reinforced TPU plastic sheets.
2. a kind of process units of fibre reinforced thermoplastic composite as claimed in claim 1, it is characterized in that, it includes carbon fiber guide frame, sub-wire system, scattered pre-heating system, molten resin fiber soaking system, the trailer system being sequentially connected, and the resin feeding system located at the molten resin fiber soaking system side；The sub-wire system includes carbon fiber sub-wire wrapping machine and the multiple sub-wire round rollers being dislocatedly distributed being sequentially connected therewith；The scattered pre-heating system includes pre- hot-rolling, and carbon fiber bundle is wrapped in outside pre- hot-rolling under certain cladding angle；The molten resin fiber soaking system includes spout roller, dip roll and the pressure roller successively set, the spout roller is provided with mouth mold on parallel to its roll axial direction, carbon fiber bundle is scattered in below mouth mold, the dip roll by multiple roller groups into, the multiple dip roll is interspersed in the both sides of carbon fiber bundle, the centre of the dip roll is provided with heater, and the dip roll intermeshing of the pressure roller and rear end is set；Described resin feeding system one end is provided with plastic outlet, and the plastic outlet connects setting with the mouth mold of spout roller.
3. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：The carbon fiber creel includes tube, creel axle and the silk guide frame on creel axle, the tube is outside creel axle, the two ends of the creel axle are provided with rubber sheet gasket and fixing nut, and the silk guide frame is provided with thread eye, and the thread eye is oily nylon6 chips thread eye.
4. a kind of process units of fibre reinforced thermoplastic composite according to claim 3, it is characterised in that：A diameter of 40mm of the tube, length is 100 ~ 400mm.
5. a kind of process units of fibre reinforced thermoplastic composite according to claim 3, it is characterised in that：Bearing is provided between tube and the creel axle.
6. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：The temperature control device for adjusting preheating roll surface temperature is additionally provided with the scattered pre-heating system.
7. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：The resin feeding system includes being provided with rotary screw in upper barrel and the cartridge heater located at upper barrel bottom, the cartridge heater, and the rotary screw is driven by the motor located at cartridge heater one end to be rotated, and the plastic outlet is located at the other end of cartridge heater.
8. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：Back lash between the pressure roller and dip roll is adjustable.
9. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：The trailer system includes an initiative compression roller and two driven rollers, and carbon fiber bundle is wound on initiative compression roller.
10. a kind of process units of fibre reinforced thermoplastic composite according to claim 2, it is characterised in that：The power resources of the trailer system are stepper motor.
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