CN106738447B - A kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities and method - Google Patents
A kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities and method Download PDFInfo
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- CN106738447B CN106738447B CN201611150520.6A CN201611150520A CN106738447B CN 106738447 B CN106738447 B CN 106738447B CN 201611150520 A CN201611150520 A CN 201611150520A CN 106738447 B CN106738447 B CN 106738447B
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- tension roller
- elasticity tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/14—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length of filaments or wires
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- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The present invention, which discloses a kind of continuous carbon fibre in field of compound material, enhances thermoplastic resin-based prepreg preparation facilities and method,Pass through a left side,Right wedge shape centering block is left with first respectively,Carbon fiber pine beam is realized in right elasticity tension roller cooperation,Fibrillation,Tensioning,Pass through a left side,Right wedge shape centering block is left with second respectively,The contact of right elasticity tension roller and depressed fast effect,Make the carbon fiber bundle of tensioning carry out rapid vertical to molten state resin membrane to cut downwards,And it is embedded into wherein,Realize insertion and embedding of the carbon fibre tow in thermoplastic matrix resin,Unidirectional continuous carbon fibre thermoplastic prepreg material is prepared by the secondary compaction of subsequent pressure roll again,Pass through secondary weaving or braiding,It is made various unidirectional,It is two-way,Oblique and three-dimensional continuous carbon fibre enhancing preimpregnation cloth or fabric,It is big thermoplastic resin matrix's viscosity has been well solved,It is difficult to carbon fiber bundle impregnability difference and infiltration,Resin content is difficult to the problem of accurately controlling,It is also applied for the preparation of thermosetting property carbon fibre initial rinse material strip.
Description
Technical field
The invention belongs to field of compound material, it is related to the preparation that a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg
Technology, especially suitable for melt viscosity height, to the thermoplastic resin based composite material of continuous carbon fibre cloth or fabric poor permeability
The preparation of prepreg.
Background technology
As one of the important means of automotive light weight technology, thermosetting property Carbon-fiber Reinforced Plastics Component due to there are raw material at
This height, the shelf-life is short, transport storage requirement is harsh, the production cycle is long, process costs are high, brittle break easily occurs, safeguards and repairs
The problems such as hardly possible, material recycling rate of waterused are low, high energy consumption is scrapped in recycling, thus be difficult to meet the requirement of mass production.For this purpose, vapour
Garage's industry manufactures high-performance thermoplastic carbon fiber to enhancing thermoplastic resin-based prepreg heat forming technology using continuous carbon fibre
Tie up composite element（CFRTP）Active demand is proposed, and continuous carbon fibre enhances thermoplastic resin-based prepreg and prepares
As one of its key technology bottleneck.
The thermosetting resin base fibre reinforced prepreg production technology that extensively uses includes mainly at present：Fusion method, powder
Method, solvent impregnation etc..As China Patent Publication No. be CN101474868A document in disclose a kind of melt impregnation legal system
The equipment of standby continuous carbon fibre enhancing thermoplastic prepreg adds melting thermoplastic using staggeredly double extrusion dies from fiber both sides
Property resin, but be difficult to ensure the homogeneous immersion of carbon fiber since thermoplastic resin melting temperature is high, viscosity is big, preimpregnation obtained
Band porosity is larger.It is continuous that a kind of solution dipping method preparation is provided in the document that China Patent Publication No. is CN102328443A
The equipment of fibre reinforced thermoplastic prepreg, devising double-steeping slot enables fiber further to be soaked in molten resin babinet
Stain, but not can be well solved problem of the thermoplastic resin to carbon fibre tow wellability difference.China Patent Publication No. is
It is provided in the document of CN103978695 a kind of using powder infusion method preparation continuous function fibre reinforced thermoplastic resin
The equipment of base prepreg tape, which devises the flusher of the sprayable suspension of powder containing thermoplastic resin, and is filled in sprinkling
Fiber-opening apparatus is provided with before setting, but the equipment is substantially still that can not fundamentally change heat based on heat pressure forming process principle
Plastic resin matrices viscosity is big, poor fluidity, is difficult to characteristic that is uniform, being sufficiently impregnated carbon fiber cloth or fabric, therefore is difficult system
It is standby go out fiber content accurately control, infiltrate uniform high-performance continuous carbon fibre enhancing thermoplastic prepreg material.
Invention content
The object of the present invention is to provide a kind of continuous carbon fibre enhancing thermoplastic resin matrix's prepreg preparation facilities and sides
Method, to solve the high viscosity thermoplastic resin in the presence of existing continuous carbon fibre enhances thermoplastic resin-based prepreg technology of preparing
Fat is difficult to impregnate to be formed inside continuous carbon fibre bundle and uniformly effectively bond, so as to cause obtained Carbon-fiber Reinforced Plastics Component power
Learn poor performance and the relatively low problem of bearing capacity.
A kind of continuous carbon fibre of the present invention enhance thermoplastic resin-based prepreg preparation facilities the technical solution adopted is that：Packet
There are the resin film coiling roller that the carbon fiber bundle winding up roller of carbon fiber bundle and volume have resin film, carbon fiber bundle to draw through carbon fiber bundle winding up roller containing volume
Go out, from left to right the carbon fiber bundle carry-over pinch rolls, the first left elasticity tension roller successively through central shaft all anterior-posterior horizontal arrangements, second left side
Elasticity tension roller, the second right elasticity tension roller and the first right elasticity tension roller convey to the right, in the first left elasticity tension roller to
It is disposed with fibrillation device right over carbon fiber bundle between one right elasticity tension roller；Resin film is drawn from resin film coiling roller, from a left side
It is conveyed to the right through the second left elasticity tension roller, the second right elasticity tension roller and the first right elasticity tension roller successively to the right side, resin film
Horizontally disposed and be mutually parallel positioned at the underface of carbon fiber bundle, there are upper and lower gaps therebetween；In the second left elasticity tension roller
And the second resin film between right elasticity tension roller is arranged right below infrared heater, infrared heater topmost is equipped with level
Chopping block；First left elasticity tension roller, the second left elasticity tension roller, the second right elasticity tension roller and the first right elasticity tension roller
Positive lower end is respectively fixedly connected with a vertically arranged compression spring；Revolvable left wedge-shaped centering block and right wedge shape pendulum are provided on fibrillation device
Block, left wedge shape centering block are located at the surface of the first left elasticity tension roller and the second left elasticity tension roller, and right wedge shape centering block is positioned at the
The surface of two right elasticity tension rollers and the first right elasticity tension roller；The lower surface of left wedge shape centering block is left lozenges, right wedge shape
The lower surface of centering block is right lozenges, and left wedge surface and right wedge surface are arranged with facing each other face, left wedge shape centering block and right wedge-shaped centering block
Centre between connection a piece left and right horizontal arrangement tension spring.
The preparation method that a kind of continuous carbon fibre of the present invention enhances thermoplastic resin-based prepreg preparation facilities uses
Technical solution be：It has steps of：
A, fibrillation device is in initial position, and left lozenges bottom is located above the first left elasticity tension roller, and right lozenges is most
Lower end is located above the first right elasticity tension roller, does not contact the carbon fiber on the first left elasticity tension roller and the first right elasticity tension roller
Tie up beam；
B, fibrillation device moves downward, and direction is swung towards each other for left lozenges and right lozenges, and bottom respectively correspondingly connects
Carbon fiber bundle on tactile upper first left elasticity tension roller, the first right elasticity tension roller, to carbon fiber bundle under tension spring tension effect
Carry out loose beam；
C, fibrillation device continues to move downward, and left lozenges acts on the first left elasticity tension roller, and right lozenges acts on
One right elasticity tension roller, left wedge shape centering block and right wedge-shaped centering block are swung away from each other, and tension spring stretches, and carbon fiber bundle is tensioned；Together
When infrared heater work, resin film is heated to melting；
D, fibrillation device is further continued for moving downward, and left lozenges, right lozenges contact and push the second of corresponding position respectively
Left elasticity tension roller, the second right elasticity tension roller, the carbon fiber bundle and resin film of tensioning press to chopping block, carbon fiber bundle downwardly together
It is embedded into resin film, the soft thermoplastic resin-based prepreg of state fibre reinforced is made.
The present invention is after adopting the above technical scheme, have an advantageous effect in that：
1, the present invention is according to the principle of the kite string cutting movement object of tensioning, by left and right wedge-shaped centering block respectively with the
Carbon fiber pine beam, fibrillation, tensioning are realized in one left and right elasticity tension roller cooperation, by left and right wedge-shaped centering block respectively with it is second left,
The contact of right elasticity tension roller and depressed fast effect, make the carbon fiber bundle of tensioning quickly hang down molten state resin membrane
Straight cutting downwards, and being embedded into wherein, realizes insertion and embedding of the carbon fibre tow in thermoplastic matrix resin, then by with
The secondary compaction of pressure roll prepares unidirectional continuous carbon fibre thermoplastic prepreg material afterwards, by secondary weaving or braiding, is made each
Unidirectional, two-way, oblique and three-dimensional continuous carbon fibre enhancing preimpregnation cloth or fabric is planted, it is viscous to have well solved thermoplastic resin matrix
Property it is big, difficult to carbon fiber bundle impregnability difference and infiltration, resin content is difficult to accurately control the problem of, be also applied for thermosetting property carbon fiber
Prepreg band is tieed up to prepare.
2, the present invention can be arranged by the specification to thermoplastic resin film and carbon fiber bundle, accurately control continuous carbon fibre increasing
Resin content in heat-flash plasticity prepreg, obtaining the unidirectional continuous carbon fibre of high microsteping content enhances thermoplasticity prepreg, can
Preparation for two-way, oblique, three-dimensional prepreg provides necessary intermediate products, to further increase carbon fibre composite structure
The designability of part mechanical property.
3, the intermittent up and down motion of the present invention by the design of the special construction of fibrillation device and its vertically, it is sequentially real
Now to the loose beam of carbon fibre tow, fibrillation, tensioning and vertical cutting embedding, and carbon fiber bundle fibrillation and thermoplastic resin film is non-
Contact, part, infrared heating mode are carried out at the same time, convenient for reduce energy consumption, it is not only energy saving, and be easily achieved with
The synchronization job of other production units realizes continuous, efficient, the automatic metaplasia of continuous carbon fibre enhancing thermoplastic prepreg material
Production.
Description of the drawings
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural schematic diagram that a kind of continuous carbon fibre of the present invention enhances thermoplastic resin-based prepreg preparation facilities；
The working condition enlarged diagram of fibrillation device and associated components when Fig. 2 is carbon fiber bundle pine beam, fibrillation in Fig. 1；
The working condition enlarged diagram of fibrillation device and associated components when Fig. 3 is carbon fiber bundle tensioning, cutting in Fig. 1；
Fig. 4 is the structure and working condition enlarged diagram of infrared heater in Fig. 1.
In figure：1. carbon fiber bundle winding up roller；2. carbon fiber bundle；3. carbon fiber bundle carry-over pinch rolls；4. the first left elasticity tension roller；5.
First right elasticity tension roller；6. the second left elasticity tension roller；7. the second right elasticity tension roller；8. resin film coiling roller；9. resin film；
10. the soft thermoplastic resin-based prepreg of state fibre reinforced；11. fibrillation device；12. infrared heater；Pressure roll on 13.；14.
Lower pressure roll；15. cooling fan；16. unidirectional continuous carbon fibre enhances prepreg tape；17. release web roll；18. release paper；19.
Release paper carry-over pinch rolls；20. prepreg wind-up roll；21. anticlockwise axis pin；22. left wedge shape centering block；23. right rotation axis pin；24. right
Wedge-shaped centering block；25. tension spring；26. infrared heating fluorescent tube；27. chopping block；28. temperature sensor；29. temperature controller；30. braider list
Member；31. continuous carbon fibre prepreg cloth/fabric；32. left lozenges；33. right lozenges；34. the first left compression spring；35. the first right pressure
Spring；36. the second left compression spring；37. the second right compression spring.
Specific implementation mode
A kind of continuous carbon fibre of the present invention as shown in Figure 1 enhances thermoplastic resin-based prepreg preparation facilities, for left and right
The structure of lateral arrangement is sequentially from left to right central shaft all the carbon fiber bundle winding up roller 1 of anterior-posterior horizontal arrangement, carbon fiber bundle traction
Roller 3, the first left elasticity tension roller 4, the second left elasticity tension roller 6,7 and first right elasticity tension roller 5 of the second right elasticity tension roller.
It is right that left and right horizontal distance between two central shafts of 4 and second left elasticity tension roller 6 of the first left elasticity tension roller is equal to first
Left and right horizontal distance between elasticity tension roller 5 and two central shafts of the second right elasticity tension roller 7.
Volume has carbon fiber bundle 2 on carbon fiber bundle winding up roller 1, and carbon fiber bundle 2 is after the extraction of carbon fiber bundle winding up roller 1, successively through carbon
Fibre bundle carry-over pinch rolls 3, the first left elasticity tension roller 4, the second left elasticity tension roller 6,7 and first right bullet of the second right elasticity tension roller
Property jockey pulley 5, from 2 left and right horizontal of carbon fiber bundle of 3 to the first right elasticity tension roller 5 of carbon fiber bundle carry-over pinch rolls arrange.First
The surface arrangement fibrillation device 11 of carbon fiber bundle 2 between 4 to the first right elasticity tension roller 5 of left elasticity tension roller.Fibrillation device 11
Using high pressure draught fibrillation, and it can vertically make intermittent up and down motion.
Resin film coiling roller 8 is set in the left side of the second left elasticity tension roller 6, volume has resin film 8 on resin film coiling roller 8, sets
Adipose membrane 8 is drawn from resin film coiling roller 8, successively through the second left elasticity tension roller 6,7 and first right elasticity of the second right elasticity tension roller
Jockey pulley 5.8 left and right horizontal of resin film arrangement between second left elasticity tension roller, 6 to the first right elasticity tension roller 5, and position
In the underface of carbon fiber bundle 2, carbon fiber bundle 2 is mutually parallel with about 8 resin film, and there are upper and lower gaps therebetween.
Infrared heating is arranged in the underface of resin film 8 between second left elasticity tension roller, 6 and second right elasticity tension roller 7
Device 12, infrared heater 12 can heat resin film 8, and it is in molten state matrix to make resin film 8.
First left elasticity tension roller 4, the second left elasticity tension roller 6,7 and first right elasticity tension of the second right elasticity tension roller
Each positive lower end of elasticity tension roller of roller 5 is respectively fixedly connected with a vertically arranged compression spring, compression spring upper end and elasticity tension roller
Side surface is fixedly connected, and the lower end of compression spring is fixed on ground, and under the action of compression spring, each elasticity tension roller can be along Vertical Square
To lower movement radially.Specifically：The positive lower end of first left elasticity tension roller 4 is fixedly connected with the first left compression spring 34, and second is left
The positive lower end of elasticity tension roller 6 is fixedly connected with the second left compression spring 36, and the positive lower end of the second right elasticity tension roller 7 is fixedly connected with second
The positive lower end of right compression spring 37, the first right elasticity tension roller 5 is fixedly connected with the first right compression spring 35.
The left wedge-shaped centering block 22 that can be rotated around anticlockwise axis pin 21 is provided on fibrillation device 11 and can be around right rotation axis pin 23
The right wedge-shaped centering block 24 of rotation, left wedge shape centering block 22 be located at 4 and second left elasticity tension roller 6 of the first left elasticity tension roller just on
Side, right wedge shape centering block 24 are located at the surface of 7 and first right elasticity tension roller 5 of the second right elasticity tension roller.
The lower surface of left wedge shape centering block 22 is left lozenges 32, and the lower surface of right wedge shape centering block 24 is right lozenges 33, left
Wedge surface 32 and right wedge surface 33 are arranged with facing each other face.The angle of wedge size of left lozenges 32 and right lozenges 33 from fibrillation device 11 to
The maximum displacement of lower movement determines.Anticlockwise axis pin 21 and right rotation axis pin 23 are connected to left wedge-shaped centering block 22 and right wedge shape
The upper end of centering block 24, the tension spring of connection piece left and right horizontal arrangement between left wedge shape centering block 22 and the centre of right wedge-shaped centering block 24
25。
When fibrillation device 11 is when original in-situ is set, 32 bottom of left lozenges is located at 4 top of the first left elasticity tension roller, right
33 bottom of lozenges is located at 5 top of the first right elasticity tension roller, does not contact 4 and first right elasticity of the first left elasticity tension roller
Carbon fiber bundle 2 on power roller 5, after fibrillation device 11 moves downward, left lozenges 32 and 33 bottom of right lozenges are respectively correspondingly
Carbon fiber bundle 2 on the upper first left elasticity tension roller 4 of contact, the first right elasticity tension roller 5, at this time in 25 pulling force effect of tension spring
Under, loose beam is carried out to carbon fiber bundle 2.Continue to move downward with fibrillation device 11, left wedge shape centering block 22 is around anticlockwise axis pin 21
It rotates clockwise, right wedge shape centering block 24 rotates counterclockwise around right rotation axis pin 23,25 horizontal stretch of tension spring, left wedge surface 32 and right wedge
Face 33 respectively correspondingly applies downward pressure, the first left compression spring to 4 and first right elasticity tension roller 5 of the first left elasticity tension roller
34 and first right compression spring 35 compress, 4 and first right elasticity tension roller 5 of the first left elasticity tension roller moves down, and assists left wedge shape
Centering block 22, right wedge-shaped centering block 24 are tensioned carbon fiber bundle 2.Continue to move downward with fibrillation device 11, left lozenges 32
It is pressed on the carbon fiber bundle 2 on 4 and second left elasticity tension roller 6 of the first left elasticity tension roller simultaneously, right lozenges 33 is pressed simultaneously
On carbon fiber bundle 2 on 5 and second right elasticity tension roller 7 of the first right elasticity tension roller.Fibrillation device 11 is further continued for moving downward
Afterwards, the second left compression spring 36 and the compression of the second right compression spring 37, left lozenges 32 act on downwards the first left 4 He of elasticity tension roller simultaneously
Second left elasticity tension roller 6, right lozenges 33 act on downwards 5 and second right elasticity tension roller of the first right elasticity tension roller simultaneously
7, it drives horizontal carbon fiber bundle 2 to move downward vertically, pushes resin film 8.The present invention is by rationally designing tension spring 25 and the
The spring force of one left compression spring 34, the first right compression spring 35, the second left compression spring 36, the second right compression spring 37, when fibrillation device 11 is quickly transported downwards
When dynamic, under the collective effect of left lozenges 32, right lozenges 33, tension spring 25 and four compression springs, the carbon fiber of tensioning can be made
Resin film 8 of 2 depressed fast of beam after the heating of infrared heater 12, makes carbon fiber bundle 2 hang down molten state resin membrane 8
Vertical cut is cut, and is embedded into wherein.When fibrillation device 11 moves upwards, the first left elasticity tension roller 4, the first right elasticity tension roller 5
Homing is moved upwards due to the elasticity of spring is restored, auxiliary fibrillation device 11 carries out loose beam and fibrillation to carbon fiber bundle 2.
In the upper pressure roll 13 of the right side of the first right elasticity tension roller 5 setting and lower pressure roll 14, upper pressure roll 13 and pushing
Power roller 14 is arranged up and down respectively.In upper pressure roll 13 and the right side of lower pressure roll 14 sets gradually cooling fan 15, release paper is led
Pick-up roll 19 and prepreg wind-up roll 20.In the lower left of release paper carry-over pinch rolls 19, release web roll 17, release web roll 17 are set
Upper volume has release paper 18, and release paper 18 is successively through release paper carry-over pinch rolls 19 to prepreg wind-up roll 20.
After carbon fiber bundle 2 is embedded into resin film 8, the thermoplastic resin-based prepreg of soft state fibre reinforced 10 is formed.
The soft thermoplastic resin-based prepreg 10 of state fibre reinforced being collectively formed by carbon fiber bundle 2 and resin film 8 is right through first
Elasticity tension roller 5 is drawn.The thermoplastic resin-based prepreg of the soft state fibre reinforced drawn from the first right elasticity tension roller 5 10
By between upper pressure roll 13 and lower pressure roll 14, upper pressure roll 13 and lower pressure roll 14 are further compacted soft state carbon fiber simultaneously
Unidirectional continuous carbon fibre enhancing prepreg tape 16, soft state fibre reinforced thermoplastic are formed after enhancing thermoplastic resin-based prepreg 10
Property resin base prepreg 10 and unidirectional continuous carbon fibre enhancing prepreg tape 16 it is horizontally disposed, and be in same level height.
The surface of unidirectional continuous carbon fibre enhancing prepreg tape 16 is cooling fan 15, to unidirectional continuous carbon fibre enhance prepreg tape 16 into
Row is quickly cooled down.After unidirectional continuous carbon fibre enhancing prepreg tape 16 is drawn and is cooled down between upper pressure roll 13 and lower pressure roll 14
Again successively through release paper carry-over pinch rolls 19 to prepreg wind-up roll 20, and unidirectional continuous carbon fibre enhancing prepreg tape 16 be tightly attached to from
The upper surface of type paper 18, the two converge at release paper carry-over pinch rolls 19, are received jointly through the traction of release paper carry-over pinch rolls 19 and prepreg
Winding up roller 20 is wound.Unidirectional continuous carbon fibre enhancing prepreg tape 16 after winding carries out secondary braiding by braider unit 30, makes
Cloth or fabric 31 is presoaked at various unidirectional, two-way, oblique and three-dimensional continuous carbon fibres.
As shown in Fig. 2, in the loose beam of carbon fiber bundle 2, fibrillation state, between left wedge shape centering block 22 and right wedge-shaped centering block 24
Tension spring 25 can adjust the loose beam force and tensile force of carbon fiber bundle 2.When fibrillation device 11 is in halted state, left wedge shape 22 He of centering block
Right wedge shape centering block 24 is under the pulling force effect of tension spring 25 rotating around 23 backswing of anticlockwise axis pin 21 and right rotation axis pin, left wedge
Face 32 and the bottom of right wedge surface 33 carry out loose beam and fibrillation to carbon fiber bundle 2.
As shown in figure 3, in the tensioning of carbon fiber bundle 2, downward cut state, the left wedge-shaped centering block 22 on fibrillation device 11 and the right side
Wedge-shaped centering block 24 respectively correspondingly first pushes 4 and first right side of the first left elasticity tension roller by left lozenges 32 and right lozenges 33
Elasticity tension roller 5, and left wedge surface 32 is swung to the left, and right wedge surface 33 swings to the right the tensioning for realizing carbon fiber bundle 2, then leads to again
It crosses and pushes 6 and second right elasticity tension roller 7 of the second left elasticity tension roller, drive 2 vertical downward movement of carbon fiber bundle, make carbon fiber
Beam 2 realizes vertical cutting and embedding to the molten state resin membrane 8 of underface.
As shown in figure 4, infrared heater 12 connects temperature controller 29 by control line, temperature controller 29 is for controlling infrared heating
The start and stop of device 12.12 inside of infrared heater has temperature sensor 28 and Duo Gen infrared heatings fluorescent tube 26, temperature sensor 28
It is connected with temperature controller 29, more infrared heating fluorescent tubes 26 are used to carry out part to resin film 9, quick, radiant type heats.It is infrared to add
The topmost of hot device 12 is equipped with horizontal chopping block 27, and the left and right width of chopping block 27 and prepared unidirectional continuous carbon fibre enhancing are pre-
The left and right equivalent width of band 16 is soaked, chopping block 27 is made of the material of corresponding resistance to high transparency, high temperature heat transfer rate, on chopping block 27
There are certain between 9 lower surface of resin film when surface and the second left elasticity tension roller 6, the second right elasticity tension roller 7 push preceding
Upper and lower vertical range, the upper and lower vertical range h are 1-2mm, are convenient for the smooth supply of resin film 9.
As shown in Figs 1-4, when preparing continuous carbon fibre enhances thermoplastic resin-based prepreg, 12K carbon fiber bundles are first got ready
Volume, PA66 thermoplastic resins film roll and the release paper rolls of yc-lxz001, are respectively placed in corresponding carbon fiber bundle winding up roller 1, resin film roll
On roller 8 and release web roll 17.Carbon fiber bundle 2 is drawn from fibre bundle winding up roller 1, is wound on carbon fiber bundle successively from left to right in advance
Carry-over pinch rolls 3, the first left elasticity tension roller 4, the second left elasticity tension roller 6, the second right elasticity tension roller 7, the first right elasticity tension
Between roller 5, upper pressure roll 13 and lower pressure roll 14, on release paper carry-over pinch rolls 19, prepreg wind-up roll 20, make carbon fiber bundle 2 from
From left to right conveys.Resin film 9 is drawn from resin film coiling roller 8, be wound on successively from left to right in advance the second left elasticity tension roller 6,
Between second right elasticity tension roller 7, the first right elasticity tension roller 5, upper pressure roll 13 and lower pressure roll 14, release paper carry-over pinch rolls
19, on prepreg wind-up roll 20, resin film 9 is made to convey from left to right, and resin film 9 is located at carbon fiber bundle 2 with a gap
Underface does not contact between the two.Release paper 18 is drawn from release web roll 17, is wound on release paper carry-over pinch rolls successively in advance
19, on prepreg wind-up roll 20, release paper 18 is made to convey to the right.
When carbon fiber bundle 2 is delivered to fibrillation 11 lower section of device, left wedge shape centering block 22, right wedge-shaped centering block 24 are acted in tension spring 25
Under rotating around anticlockwise axis pin 21, right rotation axis pin 23, direction is swung towards each other, i.e., left wedge-shaped centering block 22 is counterclockwise put
Dynamic, right wedge shape centering block 24 is swung toward the clockwise direction, while the bottom of left lozenges 32 and right lozenges 33 is respectively correspondingly
It is contacted with the first left elasticity tension roller 4, the carbon fiber bundle 2 on the first right elasticity tension roller 5, realizes the loose beam of carbon fiber bundle 2, together
Shi Caiyong high pressure draughts carry out fibrillation to carbon fiber bundle 2, referring to Fig. 1 and Fig. 2.
When resin film 9 is delivered to 12 top of infrared heater, infrared heater 12 works, and passes through non-contact mode of heating
Local fast heating is carried out to thawing to resin film 9.
Fibrillation device 11 moves downward, and the left lozenges 32 of left wedge shape centering block 22 acts on the first left elasticity of corresponding position
The right lozenges 33 of power roller 4, right wedge shape centering block 24 acts on the first right elasticity tension roller 5 of corresponding position, and tension spring 25 is driven to draw
It stretches, left wedge-shaped centering block 22, right wedge-shaped centering block 24 is made to be swung away from each other around corresponding anticlockwise axis pin 21, right rotation axis pin 23,
Carbon fiber bundle 2 is tensioned, referring to Fig. 1 and Fig. 3.
Fibrillation device 11 is further continued for moving downward, and left wedge shape centering block 22, right wedge-shaped centering block 24 contact and push corresponding position respectively
The second left elasticity tension roller 6, the second right elasticity tension roller 7 set make the carbon fiber bundle 2 and the second left elasticity tension roller 6 of tensioning
And the thermoplastic resin film 9 of the second heating and melting between right elasticity tension roller 7 is together quickly downwards, presses to infrared heating
Chopping block 27 on device 12, in the process, carbon fiber bundle 2 vertically cut the resin film 9 being disposed below, and carbon fiber
Dimension beam 2 is embedded into resin film 9, has so been prefabricated into the thermoplastic resin-based prepreg of soft state fibre reinforced 10.
Fibrillation device 11 moves upwards backhaul, and left wedge shape centering block 22, right wedge-shaped centering block 24 thereon are first opened with the second left elasticity
Power roller 6, the second right elasticity tension roller 7 disengage, then are connect with the first left elasticity tension roller 4, the first right disengaging of elasticity tension roller 5
It touches, 11 backhaul of fibrillation device to initial position, stop motion, completes a working cycles.Finally by carbon fiber bundle 2 and resin film 8
A step pitch is respectively forwardly transported, that is, transports the water between 6 and second right 7 central shaft of elasticity tension roller of the second left elasticity tension roller
After flat distance, fibrillation device 11 first carries out loose beam, fibrillation to carbon fiber bundle 2 again, and then fibrillation device 11 moves downward again, by carbon
Fibre bundle 2 is tensioned and the carbon fiber bundle 2 of tensioning is made vertically to cut resin film 9, and the continuous work that so moves in circles is followed
Ring realizes the preparation of the thermoplastic resin-based prepreg of soft state fibre reinforced 10.
Referring to Fig. 1, the thermoplastic resin-based prepreg 10 of the soft state fibre reinforced for preparing continue to advance forward and
Through further compacting between upper pressure roll 13 and lower pressure roll 14, then it is made under being quickly cooled down of cooling fan 15 and unidirectionally connects
Continuous fibre reinforced prepreg tape 16, unidirectional continuous carbon fibre enhance prepreg tape 16 and are converged with release paper 18 at release paper carry-over pinch rolls 19
After poly-, wound through prepreg wind-up roll 20.Weaving unit 30 enhances the unidirectional continuous carbon fibre that prepreg wind-up roll 20 is wound
Prepreg tape 16 carries out secondary braiding, and various unidirectional, two-way, oblique and three-dimensional continuous carbon fibre preimpregnation cloth or fabrics 31 are made.
The foregoing is merely one embodiment of the present of invention, to contribute to it is further understood that this hair
Bright, the invention is not limited in any way.Under the premise of not departing from present inventive concept, to the various unsubstantialities of the invention done
It improves and replaces, reinforcing fiber, the expansion of resin film type or the transformation etc. of equipment configuration as used, belong to the present invention's
Protection domain.
Claims (10)
1. a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities, including volume has carbon fiber bundle（2）Carbon fiber
Tie up beam winding up roller（1）There is resin film with volume（9）Resin film coiling roller（8）, it is characterized in that：Carbon fiber bundle（2）Through carbon fiber bundle winding up roller
（1）It draws, the carbon fiber bundle carry-over pinch rolls from left to right arranged successively through central shaft anterior-posterior horizontal（3）, the first left elasticity tension roller
（4）, the second left elasticity tension roller（6）, the second right elasticity tension roller（7）With the first right elasticity tension roller（5）It conveys to the right,
One left elasticity tension roller（4）To the first right elasticity tension roller（5）Between carbon fiber bundle（2）Surface be disposed with fibrillation device
（11）；Resin film（9）From resin film coiling roller（8）It draws, from left to right successively through the second left elasticity tension roller（6）, the second right bullet
Property jockey pulley（7）With the first right elasticity tension roller（5）It conveys to the right；Resin film（9）Positioned at carbon fiber bundle（2）Underface, two
Person is horizontally disposed and is mutually parallel, and there are upper and lower gaps therebetween；In the second left elasticity tension roller（6）With the second right elasticity tension roller
（7）Between resin film（9）Be arranged right below infrared heater（12）, infrared heater（12）Topmost is equipped with horizontal anvil
Plate（27）；First left elasticity tension roller（4）, the second left elasticity tension roller（6）, the second right elasticity tension roller（7）With the first right bullet
Property jockey pulley（5）Positive lower end be respectively fixedly connected with a vertically arranged compression spring；Fibrillation device（11）On be provided with a revolvable left side
Wedge-shaped centering block（22）With right wedge-shaped centering block（24）, left wedge shape centering block（22）Positioned at the first left elasticity tension roller（4）With the second left bullet
Property jockey pulley（6）Surface, it is right wedge shape centering block（24）Positioned at the second right elasticity tension roller（7）With the first right elasticity tension roller
（5）Surface；Left wedge shape centering block（22）Lower surface be left lozenges（32）, right wedge shape centering block（24）Lower surface be right wedge
Shape face（33）, left wedge surface（32）With right wedge surface（33）It arranges with facing each other face, left wedge shape centering block（22）With right wedge-shaped centering block
（24）Centre between connection a piece left and right horizontal arrangement tension spring（25）；
First left elasticity tension roller（4）Positive lower end be fixedly connected with the first left compression spring（34）, the second left elasticity tension roller（6）Just
Lower end is fixedly connected with the second left compression spring（36）, the second right elasticity tension roller（7）Positive lower end be fixedly connected with the second right compression spring（37）,
First right elasticity tension roller（5）Positive lower end be fixedly connected with the first right compression spring（35）；Design tension spring（25）And the first left compression spring
（34）, the first right compression spring（35）, the second left compression spring（36）, the second right compression spring（37）Spring force, when fibrillation device（11）It moves downward
When, in left lozenges（32）, right lozenges（33）, tension spring（25）And under the collective effect of four compression springs, make the carbon fiber of tensioning
Tie up beam（2）It pushes through infrared heater（12）Resin film after heating（9）, make carbon fiber bundle（2）To molten state resin membrane
（9）It is vertically cut, and is embedded into wherein.
2. a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities according to claim 1, it is characterized in that：
First right elasticity tension roller（5）Right side be equipped with upper pressure roll（13）With lower pressure roll（14）, upper pressure roll（13）With lower pressure
Roller（14）Right side successively be equipped with cooling fan（15）, release paper carry-over pinch rolls（19）With prepreg wind-up roll（20）, release paper leads
Pick-up roll（19）Lower left be equipped with release web roll（17）, release web roll（17）Upper volume has release paper（18）, release paper（18）
Successively through release paper carry-over pinch rolls（19）To prepreg wind-up roll（20）It conveys to the right.
3. a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities according to claim 1, it is characterized in that：
Infrared heater（12）Inside has temperature sensor（28）With more infrared heating fluorescent tubes（26）, temperature sensor（28）With temperature
Control instrument（29）It is connected.
4. a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities according to claim 1, it is characterized in that：
Chopping block（27）Upper surface and the second left elasticity tension roller（6）, the second right elasticity tension roller（7）Resin film before pushing（9）Lower surface
Between there are the vertical ranges up and down of 1-2mm.
5. a kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities according to claim 1, it is characterized in that：
First left elasticity tension roller（4）With the second left elasticity tension roller（6）Two central shafts between left and right horizontal distance be equal to the
One right elasticity tension roller（5）With the second right elasticity tension roller（7）Two central shafts between left and right horizontal distance.
6. a kind of continuous carbon fibre as described in claim 1 enhances the preparation method of thermoplastic resin-based prepreg preparation facilities,
It is characterized in that having steps of：
A, fibrillation device（11）In initial position, left lozenges（32）Bottom is located at the first left elasticity tension roller（4）Top, right wedge
Shape face（33）Bottom is located at the first right elasticity tension roller（5）Top does not contact the first left elasticity tension roller（4）With the first right bullet
Property jockey pulley（5）On carbon fiber bundle（2）；
B, fibrillation device（11）It moves downward, left lozenges（32）With right lozenges（33）Direction is swung towards each other, bottom difference
Accordingly contact upper first left elasticity tension roller（4）, the first right elasticity tension roller（5）On carbon fiber bundle（2）, in tension spring（25）
Under pulling force effect, to carbon fiber bundle（2）Carry out loose beam；
C, fibrillation device（11）Continue to move downward, left lozenges（32）Act on the first left elasticity tension roller（4）, right lozenges
（33）Act on the first right elasticity tension roller（5）, left wedge shape centering block（22）With right wedge-shaped centering block（24）It swings away from each other, tension spring
（25）It stretches, by carbon fiber bundle（2）Tensioning；Infrared heater simultaneously（12）Work, resin film（9）It is heated to melting；
D, fibrillation device（11）It is further continued for moving downward, left lozenges（32）, right lozenges（33）It contacts respectively and pushes corresponding position
The the second left elasticity tension roller set（6）, the second right elasticity tension roller（7）, the carbon fiber bundle of tensioning（2）And resin film（9）Together
It is forced downward chopping block（27）, carbon fiber bundle（2）It is embedded into resin film（9）In, it is thermoplastic resin-based that soft state fibre reinforced is made
Prepreg（10）.
7. continuous carbon fibre enhances the preparation method of thermoplastic resin-based prepreg preparation facilities according to claim 6,
It is characterized in：The soft thermoplastic resin-based prepreg of state fibre reinforced（10）Through the first right elasticity tension roller（5）After extraction
By upper pressure roll（13）With lower pressure roll（14）Between be compacted, form unidirectional continuous carbon fibre enhancing prepreg tape（16）, unidirectionally
Continuous carbon fibre enhances prepreg tape（16）Surface cooling fan（15）It is cooled down.
8. continuous carbon fibre enhances the preparation method of thermoplastic resin-based prepreg preparation facilities according to claim 7,
It is characterized in：Unidirectional continuous carbon fibre after cooling enhances prepreg tape（16）It is tightly attached to release paper（18）Upper surface, through release paper
Carry-over pinch rolls（19）Traction and prepreg wind-up roll（20）Winding.
9. continuous carbon fibre enhances the preparation method of thermoplastic resin-based prepreg preparation facilities according to claim 6,
It is characterized in：After the completion of step D, fibrillation device（11）It moves upwards backhaul to initial position to stop, by carbon fiber bundle（2）And resin
Film（9）Respectively forwardly transport the second left elasticity tension roller（6）With the second right elasticity tension roller（7）Horizontal distance between central shaft
Afterwards, step B is repeated to step D, is so moved in circles.
10. continuous carbon fibre enhances the preparation method of thermoplastic resin-based prepreg preparation facilities according to claim 6,
It is characterized in：In step B, to carbon fiber bundle（2）Using air-flow to carbon fiber bundle while loose beam（2）Fibrillation.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150520.6A CN106738447B (en) | 2016-12-14 | 2016-12-14 | A kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities and method |
| PCT/CN2017/072925 WO2018107571A1 (en) | 2016-12-14 | 2017-02-06 | Apparatus and method for preparing continuous carbon fibre reinforced thermoplastic resin matrix prepreg |
| GB1909279.0A GB2572110B (en) | 2016-12-14 | 2017-02-06 | Apparatus and method for preparing continuous carbon fibre reinforced thermoplastic resin matrix prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150520.6A CN106738447B (en) | 2016-12-14 | 2016-12-14 | A kind of continuous carbon fibre enhances thermoplastic resin-based prepreg preparation facilities and method |
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| Publication Number | Publication Date |
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| CN106738447A CN106738447A (en) | 2017-05-31 |
| CN106738447B true CN106738447B (en) | 2018-10-09 |
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| Country | Link |
|---|---|
| CN (1) | CN106738447B (en) |
| GB (1) | GB2572110B (en) |
| WO (1) | WO2018107571A1 (en) |
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| AU2018364896A1 (en) * | 2017-11-07 | 2020-05-21 | Toray Industries, Inc. | Fiber-reinforced thermoplastic resin filament and molded article of same |
| CN108688009B (en) * | 2018-05-23 | 2020-11-20 | 江苏大学 | Device and method for preparing continuous carbon fiber reinforced thermoplastic resin-based prepreg sheet |
| CN108790219A (en) * | 2018-06-29 | 2018-11-13 | 湖北鼎中新材料有限公司 | A kind of UD laminated cloths and its without resin fast preparation method |
| CN111873234B (en) * | 2020-06-28 | 2022-03-22 | 江苏大学 | Preparation method of ultrathin continuous fiber reinforced thermoplastic prepreg |
| TWI806144B (en) * | 2021-09-01 | 2023-06-21 | 臺灣塑膠工業股份有限公司 | Prepreg fiber fabric impregnation device and method thereof |
| CN114030143B (en) * | 2021-11-17 | 2022-07-22 | 徐州云泰精密技术有限公司 | Collecting ring water gap punching device |
| CN114654860B (en) * | 2022-04-26 | 2024-04-19 | 郑州中远防务材料有限公司 | Unidirectional cloth compounding method capable of controlling tension stability of unidirectional cloth |
| CN115570708B (en) * | 2022-09-30 | 2023-07-18 | 江苏亨博复合材料有限公司 | Production equipment and production process of low-areal-density thermoplastic prepreg |
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| JP3572101B2 (en) * | 1994-05-19 | 2004-09-29 | 住友化学工業株式会社 | Long fiber reinforced thermoplastic resin structure and method for producing the same |
| JP3678637B2 (en) * | 2000-09-01 | 2005-08-03 | ユニ・チャーム株式会社 | Method and apparatus for opening continuous filament |
| WO2012002417A1 (en) * | 2010-06-30 | 2012-01-05 | 東レ株式会社 | Process and apparatus for producing sheet-shaped prepreg |
| WO2014171016A1 (en) * | 2013-04-19 | 2014-10-23 | 福井県 | Method and device for opening fiber bundle |
| CN103978695A (en) * | 2014-05-12 | 2014-08-13 | 东华大学 | Equipment for preparing continuous functionalized carbon fiber enhanced thermoplastic resin base prepreg tape |
| CN104924487B (en) * | 2015-04-30 | 2017-11-07 | 山东大学 | The preparation system and preparation method of a kind of thermoplasticity carbon fiber prepreg |
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Also Published As
| Publication number | Publication date |
|---|---|
| GB2572110A (en) | 2019-09-18 |
| CN106738447A (en) | 2017-05-31 |
| GB2572110B (en) | 2021-12-15 |
| WO2018107571A1 (en) | 2018-06-21 |
| GB201909279D0 (en) | 2019-08-14 |
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