CN107364154A - A kind of preparation facilities and method of fiber controllable arrangement enhancing composite - Google Patents
A kind of preparation facilities and method of fiber controllable arrangement enhancing composite Download PDFInfo
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- CN107364154A CN107364154A CN201710737014.5A CN201710737014A CN107364154A CN 107364154 A CN107364154 A CN 107364154A CN 201710737014 A CN201710737014 A CN 201710737014A CN 107364154 A CN107364154 A CN 107364154A
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- fiber
- mould
- guide rail
- direction guide
- powder tank
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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
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
-
- 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
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/465—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating by melting a solid material, e.g. sheets, powders of fibres
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
- B29C70/60—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres comprising a combination of distinct filler types incorporated in matrix material, forming one or more layers, and with or without non-filled layers
- B29C70/606—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres comprising a combination of distinct filler types incorporated in matrix material, forming one or more layers, and with or without non-filled layers and with one or more layers of non-plastics material or non-specified material, e.g. supports
Abstract
The invention discloses the preparation facilities and method of a kind of fiber controllable arrangement enhancing composite,Device includes support,Support includes a level board and is arranged on the vertical plate at level board both ends,Through hole is offered on level board,Mould is provided with through hole,Mould is the housing of up/down perforation,Offer thereon equidistantly,Even depth is used for the groove positioned to fiber,Y-direction guide rail is symmetrically arranged with vertical plate,Slided on Y-direction guide rail and be provided with X-direction guide rail,Slided on vertical plate below Y-direction guide rail and be provided with movable plate,Fiber display unit and storage powder tank are provided with movable plate,The bottom of storage powder tank offers the through hole big with mould internal diameter etc.,Slide and be provided with for accommodating fiber and fiber being moved into the fiber grips on mould and the scraper plate for the matrix powder stored up in powder tank to be moved in mould on X-direction guide rail,Realize the controllable arrangement of fiber,It is reasonable in design,It is simple to operate,Preparation process integration,Operating efficiency is high.
Description
Technical field
The invention belongs to technical field of composite preparation, and in particular to a kind of fiber controllable arrangement enhancing composite
Preparation facilities and method.
Background technology
The mechanical property (bending strength, fracture toughness etc.) of fiber-reinforced composites is with fibre property and its in matrix
In distribution it is closely related.
At present, correlative study shows that fibre reinforced composites are substantially by by chopped strand and the compound system of matrix
It is standby, but because chopped strand easily produces serious agglomeration in the base, composite materials property is greatly affected,
The activeness and quietness effect of fiber is weakened, and fiber oriented alignment in the base can not be realized and accurately control fiber reinforcement
The comprehensive mechanical property of composite.And controllable arrangement of the continuous fiber reinforced composite materials due to fiber in matrix, can
Realize controllable design to composite comprehensive mechanical property and construct, and one of emphasis for studying of recent domestic.So
And few special devices are used for the controllable arrangement of continuous fiber in the base at present, most of manually arrangement is realized fine
Tie up controllable arrangement.But the mode manually arranged easily makes fibre damage, efficiency of arranging is low, it is difficult to realizes precisely arrangement.Together
When, the process such as fiber arrangement in the base, powdering, tabletting (precompressed) is all point mostly in the preparation process of composite at present
What step was carried out, not yet realize the integration of preparation process so that long preparation period, the efficiency of composite are low.
It is that one kind realizes compound to the controllable arrangement of fiber in continuous fiber reinforced composite materials using controllable arrangement device
The effective ways of material mechanical performance science control.
The content of the invention
In order to solve the above problems, the invention provides a kind of fiber controllable arrangement enhancing composite preparation facilities and
Method, the continuous fiber controllable arrangement that cost of the present invention is low, simple to operate strengthens the preparation facilities and its method of composite, main
Want that preparation process includes controllable arrangement of the fiber in mould, matrix powder is elaborated and the process such as tabletting.
To reach above-mentioned purpose, a kind of preparation facilities of fiber controllable arrangement enhancing composite of the present invention includes machine
Seat, support include a level board and are arranged on the vertical plate at level board both ends, offer through hole on level board, set in through hole
There is mould, mould can be using the central shaft of through hole as axis of rotation, and mould lateral surface is fixed with for limiting
The positioning key of mould vertical position, mould are the housing of up/down perforation, offer the equidistant, use of even depth thereon
Lifting platform is arranged with the groove positioned to fiber, mould, Y-direction guide rail, Y side are symmetrically arranged with vertical plate
Slided on direction guiding rail and be provided with X-direction guide rail, slided on vertical plate below Y-direction guide rail and be provided with movable plate, set on movable plate
Fiber display unit and storage powder tank are equipped with, the bottom for storing up powder tank offers the through hole big with mould internal diameter etc., stores up the lower surface of powder tank
Slide and be provided with for accommodating fiber and fiber being moved into mould higher than the top surface of mould, on X-direction guide rail
Fiber grips and the scraper plate that is moved in mould of matrix powder for that will store up in powder tank.
Also include forcing press, be provided with forcing press for applying stressed upper mould to the material in mould.
The cross section of the mould is circular or square, upper mould and lifting platform and the shape of cross section of mould
Identical, the external diameter of upper mould is equal to the internal diameter of the cross section of mould.
The fiber grips include two two grippers being separately positioned on X-direction guide rail, and two grippers are
Electromagnetic mechanical pawl, the claw of gripper carry adsorptivity adhesive plaster.
Connecting rod is provided between two grippers.
A kind of preparation method of fiber controllable arrangement enhancing composite, it is characterised in that comprise the following steps：
Step 1, the fibre bundle after cleaning is divided into monofilament or multifilament, be placed in parallel in fiber display unit；In storage powder tank
In be uniformly paved with matrix powder, the thickness of matrix powder is 0~2mm；
Step 2, scraper plate moved back and forth on X-direction guide rail, the matrix powder in storage powder tank is layered in mould
In, powdering carries out precompressed after terminating to bottom powder in mould；
Step 3, move down fiber grips and be powered make fiber grips gripping fibers, then translation storage powder tank and fiber put it is flat
Platform, storage powder tank and fiber platform for placing is set to avoid and open mould, guide rail is being moved to mould just in X direction by fiber grips
Top, then the fiber of clamping is sequentially placed in the groove opened up on mould, completes fiber architecture；
Step 4, powder tank and the reset of fiber display unit will be stored up, first layer is carried out according to the powdering method in step 1 and step 2
Powdering；
Step 5, according to the fiber architecture number of plies, then carry out subsequent fibers arrangement according to step 3 to 5 and powdering suppressed,
Before the second layer and follow-up fiber architecture and powdering pre-compaction process, lifting platform is moved down, the distance that lifting platform moves down is last layer
The thickness sum of fiber and matrix powder；
Step 6, will be compressing by the fiber arranged and matrix powder in mould, and in high temperature sintering furnace
Carry out normal pressure or hot pressed sintering.
Fiber in step 1 is carbon fiber, glass fibre, silicon carbide fibre or alumina fiber.
In step 3, the arrangement mode of fiber is parallel arrangement, Orthogonally arrangement or multi-angle arrangement.
Compared with prior art, the present invention at least has a beneficial technique effect below, the shaping mould in apparatus of the present invention
Tool offers the equidistant, groove of even depth, while mould is freely rotatable certain angle, it is possible to achieve carbon fiber exists
Arrangement mode in mould, that is, the controllable arrangement of fiber in a mold is realized, while mould can be according to prepared multiple
The demand of condensation material shape and the fiber architecture number of plies, different mould (section is circular or square) is processed, according to demand at any time
Change, lifting platform and mould be used cooperatively, after each fiber architecture and powdering compacting terminates, according to preparing composite
It is required that determining the distance that lifting platform moves down, multilayer arrangement and the pressing process of powder of fiber, reasonable in design, behaviour are realized
Make simple, preparation process integration, operating efficiency is high.
Further, in addition to forcing press, it is provided with forcing press stressed for being applied to the material in mould
Upper mould, upper mould is moved down into a certain distance, into mould, in that context it may be convenient to realize the precompressed of early stage and the compacting in later stage
Shaping, fiber arrange and matrix powder are flattened, finally by upper mould application pressure, by the multi-layer fiber arranged with
The matrix powder completed is pressed into lamellar body.
Further, the cross section of mould is circular or square, can be replaced according to the requirement for preparing composite,
Upper mould is identical with the shape of cross section of lifting platform and mould, and the external diameter of upper mould is equal to the internal diameter of the cross section of mould,
The force area of upper mould is bigger, and more uniformly, pressing result is good.
Further, fiber grips include two two grippers being separately positioned on X-direction guide rail, two grippers
It is electromagnetic mechanical pawl, the claw of gripper carries adsorptivity adhesive plaster, and chuck attracts each other after electromagnetic mechanical pawl is powered, together
When in order to prevent fixture clamping carbon fiber during fibre damage, claw is provided with Electrostatic Absorption adhesive plaster, while can also increase
The dynamics of gripping fibers.
Further, connecting rod is provided between two grippers, connecting rod connects two grippers, and one ensures
The synchronism of fiber grips motion.
A kind of fiber controllable arrangement strengthens composite material and preparation method thereof, preparation method adapting device, easy to operate, implemented
Journey is simple and easy.
Brief description of the drawings
Fig. 1 is the structural representation of fibre reinforced composites preparation facilities of the present invention；
Fig. 2 is mould amplification effect figure；
Fig. 3 is Fig. 2 A portions enlarged drawing；
Fig. 4 is composite preparation process schematic diagram；
In accompanying drawing：1-X traversing guides, 2- storage powder tanks, 3- fiber display units, 4-Y traversing guides, 5- supports, 6- chutes, 7-
Fiber grips, 8- moulds, 9- lifting platforms, 10- scraper plates, the upper moulds of 11-, 12- positioning keys.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.Described embodiment is only this hair
A bright part, rather than whole embodiments.Therefore, under the embodiment in based on the present invention, related personnel is not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Reference picture 1, a kind of preparation facilities of fiber controllable arrangement enhancing composite include support 5, X-direction guide rail 1, Y
Traversing guide 4, storage powder tank 2, scraper plate 10, fiber display unit 3, fiber grips 7, lifting platform 9, chute 6, mould 8 and upper mould
11.Support 5 is U-shaped, including a level board and the vertical plate for being arranged on level board both ends, and through hole is offered in the middle part of level board,
Mould 8 is provided with through hole, mould 8 can be using the central shaft of through hole as axis of rotation, and the lateral surface of mould 8 is consolidated
Surely there is the positioning key 12 for having 8 vertical positions for being constrained to pattern, the one end of positioning key 12 is fixedly connected with mould 8, another
End is stuck in level board upper surface, is arranged with lifting platform 9 in mould 8, during initial position, the top of mould 8 and lifting
The top of platform 9 flushes, and is symmetrically arranged with Y-direction guide rail 4 on vertical plate, is slided on Y-direction guide rail 4 and is provided with two X-directions and leads
Rail 1, the lower section of Y-direction guide rail 4 is symmetrically arranged with chute 6 on two vertical plates, and movable plate is provided with chute 6, is set on movable plate
Fiber display unit 3 and storage powder tank 2 are equipped with, the lower surface of storage powder tank 2 is higher than the top surface of mould 8, and both differences of height are big
It is provided with being slided in the height sum of matrix powder, first layer powder and first layer fiber, two X-direction guide rails 1 for accommodating
Fiber and by fiber grips 7 that fiber is moved on mould 8 and for the matrix powder stored up in powder tank 2 to be moved into shaping
Scraper plate 10 in mould 8, the length of scraper plate 10 are more than the diameter of mould 8 and less than the width of storage powder tank, and material is organic
Glass (acrylic board), fiber display unit 3 are arranged on the lower section of fiber grips 7, and storage powder tank 2 is arranged on the lower section of scraper plate 10, and stores up powder
The side top of groove 2 and the upper surface flush of fiber display unit 3, upper mould 11 are fixed on forcing press, and the powder amount in mould 8 expires
After foot requires, moved down by upper mould 11, powder is flattened, carry out follow-up fiber architecture.
Storage powder tank 2 is used to contain matrix powder, while offers in the bottom of storage powder tank 2 and big logical such as mould internal diameter
Hole, when guide rail moves left and right scraper plate 10 in X direction, matrix powder enters in mould 8 from the hole that storage powder tank 2 opens up,
Realize powdering.
Fiber grips 7 include two two grippers being separately positioned on X-direction guide rail 1, and two grippers are electricity
Magnetic-type gripper, attracted each other after energization, while the claw of gripper carries adsorptivity adhesive plaster, can be fine with significantly more efficient clamping
Dimension, the width of chute 6 are more than the width and the distance between two grippers sum of fiber display unit 3, it is preferred that two machineries
Connecting rod is provided between pawl, connecting rod connects two grippers, to ensure the synchronism of fiber grips motion.
The cross section of mould 8 is circular or square, can be replaced according to the requirement for preparing composite, upper mould 11 with
Lifting platform 9 is identical with the shape of cross section of mould 8.
Reference picture 2, mould 8 are the cylinder that external diameter is more than fibre length, offer on mould 8 equidistantly, etc.
The groove that depth is positioned to fiber, the width d of groove are more than the diameter of fiber, are 0.5mm~1mm, while mould 8
Rotatable certain angle, a variety of arrangement modes of the fiber in mould 8 are realized, that is, realize the controllable arrangement of fiber.
Reference picture 3, upper mould 11 are cylindric, a certain distance will be moved down, into mould 8, it is possible to achieve early stage
Precompressed and the later stage it is compressing, the fiber arranged and matrix powder are flattened, applied necessarily finally by upper mould 11
Pressure, the multi-layer fiber arranged and the matrix powder completed are pressed into lamellar body.
Preferably, the motion of movable plate, built-up jig 7 and scraper plate 10 is driven using motor, the start and stop of motor or rotation side
Realized to by programme-control, automaticity is high, and fiber grips, scraper plate, storage powder tank 2 and fibre can be controlled by adjustment programme
The displacement of platform for placing is tieed up, operating efficiency is high.
Reference picture 3, a kind of preparation method of fiber controllable arrangement enhancing composite comprise the following steps：
Step 1, cleaned fibre bundle is divided into monofilament or multifilament, filament is cut, makes every fiber
Then the length of silk is placed in parallel in fiber display unit 3 than the distance between two grooves that it will put big 0~2mm；
Meanwhile requirement prepared according to composite be set in storage powder tank 2 and be uniformly paved with matrix powder, the thickness of matrix powder for 0~
2mm。
Step 2, the moving back and forth on X-direction guide rail 1 by scraper plate 10, make the matrix powder in storage powder tank 2 be layered on lifting
(matrix powder enters in mould 8 upper surface of platform 9, and mould 8 is below no bottom surface, is served as into above lifting platform
The bottom surface of pattern tool), powdering moves down mould 11 after terminating, mould 11 is entered mould 8, while apply downwards to upper mould 11
Pressure, realize the precompressed of bottom powder in mould 8.
Step 3, move down fiber grips 7 and be powered and contact with each other gripping fibers, then translate storage powder along chute 6Y negative directions
Groove 2 and fiber platform for placing, storage powder tank 2 and fiber platform for placing is avoided and is opened mould 8, fiber grips 7 are led in X direction
Rail 1 is moved horizontally to directly over mould 8, and then the fiber of clamping is sequentially placed in the groove opened up on mould 8
In, complete the arrangement of fiber.
Step 4, will storage powder tank 2 and fiber display unit 3 resetted along chute 6, according to the powdering method in step 1 and step 2
First layer powdering is carried out, after the completion of powdering, moves down mould 11, to the fiber arranged in mould 8 and the matrix powder completed
End applies pressure, and fiber and matrix powder are flattened.
Step 5, the preparation of composite needed for require, carry out follow-up fiber architecture and powdering precompressed, are carrying out
Before the second layer and follow-up fiber architecture and powdering pre-compaction process, according to the required thickness for preparing composite individual layer, lifting
Platform 9 dropping distance d, d are powdering each time and the thickness sum of the fiber of arrangement, and arrangement and the matrix for completing fiber are circulated with this
The precompressed of powder.
Step 6, upper mould 11 is displaced downwardly in mould 8 fiber arranged and matrix powder are applied into pressure, will
Its is compressing and normal pressure or hot pressed sintering are carried out in high temperature sintering furnace, finally obtains fiber-reinforced composites.
In step 1, fiber includes carbon fiber, glass fibre, silicon carbide fibre and alumina fiber.
In step 3, the arrangement mode of fiber is parallel arrangement, Orthogonally arrangement, multi-angle arrangement, and the arrangement of different angle can
Realized by the angle rotation of determining of mould 8.
Lifting platform 9 and mould 8 are used cooperatively, and one layer of fiber architecture and paving are often completed in composite preparation process
After powder compacting, according to the requirement for preparing composite, lifting platform 9 moves down distance d, d as powdering each time and the fiber of arrangement
Thickness sum, the fiber that suppresses and matrix powder is set it is retained away from the upper surface of mould 8 as lifting platform 9 moves down
0.5cm~2cm distance, then carry out follow-up fiber architecture and powdering compacting.
Illustrate the method for the present invention with specific embodiment below.
Embodiment 1
Being prepared continuous monofilament fibers parallel using apparatus and method of the present invention and arranged (two layers) strengthens composite, including
Following steps：
Step 1, the carbon fiber fibre bundle through over cleaning is divided into monofilament, filament is cut, makes every filament
Length than the distance between two grooves that it will put big 0~2mm, then parallel laid in fiber display unit 3, and
Stored up in storage powder tank 2 into 5g matrix powders.
Step 2, the moving back and forth on X-direction guide rail by scraper plate 10, the matrix powder in storage powder tank 2 is set to enter shaping
In mould 8 and the upper surface of lifting platform 9 is layered on, carries out bottom powdering；Powdering moves down mould 11 after terminating, upper mould 11 enters shaping mould
The upper mould 11 of 8 pairs of tool applies 1MPa pressure, and the matrix powder in mould 8 is flattened.
Step 3, move down fiber grips 7, the fiber in gripping fibers display unit 3, then will storage powder tank 2 and fiber put it is flat
Platform moves along chute 6, storage powder tank 2 and fiber platform for placing is avoided and is opened mould 8, subsequently makes fiber grips 7 in X-direction
Moved horizontally on guide rail 1, the fiber of clamping is sequentially placed in shaping by fiber grips 7 after being moved to the surface of mould 8
In the groove of mould 8, then reset, accommodate second fiber and be positioned in next groove of mould 8, until all
Groove in be placed with fiber, complete the arrangement of first layer fiber.
Step 4, after completing the arrangement of first layer fiber, store up powder tank 2 and fiber display unit 3 and resetted along chute 6, carry out first
Layer powdering, after the completion of powdering, moves down mould 11, to the fiber arranged in mould 8 and the matrix powder completed application
1MPa pressure, fiber and matrix powder are flattened.
Step 5, according to the thickness for preparing composite, it is powdering and arrangement each time that lifting platform 9 is moved down into distance d, d
The thickness sum of fiber, then carry out second layer fiber architecture according to step 3 to 5 and powdering is suppressed.
After step 6, completion second layer fiber architecture and powdering compacting, upper mould 11 moves down again, right into mould 8
Fiber and matrix powder apply 8MPa pressure to two to have arranged layer by layer, are compressed into lamellar body, carry out normal pressure or hot pressing
Sintering.
Embodiment 2
(two layers) enhancing composite of continuous monofilament fiber Orthogonally arrangement is prepared using apparatus and method of the present invention, including
Following steps：
Step 1, the carbon fiber fibre bundle cleaned is divided into monofilament, filament cut, make every it is filametntary
Length is than the distance between two grooves that it will put big 0~2mm, and then parallel laid is in fiber display unit 3；Exist simultaneously
Stored up in storage powder tank 2 into 5g hydroxyapatite powders.
Step 2, the moving left and right on X-direction guide rail by scraper plate 10, the matrix powder in storage powder tank 2 is set to enter shaping
The upper surface of lifting platform 9 is layered in mould 8, carries out bottom powdering；Powdering moves down mould 11 after terminating, upper mould 11 enters mould
8 pairs of upper moulds 11 apply 1MPa pressure, and the matrix powder in mould 8 is flattened.
Step 3, move down fiber grips 7, the fiber in gripping fibers display unit 3, then will storage powder tank 2 and fiber put it is flat
Platform translates in chute 6, storage powder tank 2 and fiber platform for placing is avoided and is opened mould 8, subsequently makes fiber grips 7 in X side
Moved horizontally on direction guiding rail 1, be moved to behind the surface of mould 8 fiber grips 7 by the carbon fiber of clamping be sequentially placed in
In the groove of mould 8, then reset, after mould 8 is rotated by 90 °, make the left and right on X-direction guide rail of fiber grips 7
Carbon fiber is sequentially placed in the groove of mould 8 by movement, completes the arrangement of first layer fiber.
Step 4, after completing the arrangement of first layer fiber, store up powder tank 2 and fiber display unit 3 and resetted along chute 6, carry out first
Layer powdering, after the completion of powdering, upper mould 11 moves down, to the fiber arranged in mould 8 and the matrix powder completed application
1MPa pressure, fiber and matrix powder are flattened.
Step 5, according to the thickness for preparing composite, lifting platform 9 declines 1cm, then according to step 3 to 5, carries out second
Layer fiber architecture and powdering compacting.
Step 6, mould 11 is moved down again, into mould 8, to two fiber and the matrix powders layer by layer arranged
Apply 8MPa pressure, be compressed into lamellar body, carry out normal pressure or hot pressed sintering.
Embodiment 3
(three layers) enhancing composites of continuous multifilament yarn fiber Orthogonally arrangement are prepared using apparatus and method of the present invention, including
Following steps：
Step 1, the carbon fiber fibre bundle cleaned is divided into multifilament, filament cut, make every it is filametntary
Length than the distance between two grooves that it will put big 0~2mm, then parallel laid in fiber display unit 3, while
The hydroxyapatite powder into 5g is stored up in storage powder tank 2.
Step 2, the moving left and right on X-direction guide rail by scraper plate 10, the matrix powder in storage powder tank 2 is set to enter shaping
In mould 8 and the upper surface of lifting platform 9 is layered on, carries out bottom powdering；Powdering moves down mould 11 after terminating, upper mould 11 enters shaping mould
The upper mould 11 of 8 pairs of tool applies 1MPa pressure, and the matrix powder in mould 8 is flattened.
Step 3, fiber grips 7 are moved down, make the fiber in the gripping fibers display unit 3 of fiber grips 7, then will store up powder tank 2
Translated with fiber platform for placing in chute 6, storage powder tank 2 and fiber platform for placing is avoided and is opened mould 8, subsequently make fibre
Dimension fixture 7 moves horizontally on X-direction guide rail 1, and fiber grips 7 are fine by the carbon of clamping after being moved to the surface of mould 8
Dimension is sequentially placed in the equidistant groove of mould 8, is then resetted, after mould 8 is rotated by 90 °, is made fiber clamp
Tool 7 moves left and right on X-direction guide rail to be sequentially placed carbon fiber in the groove of mould 8, completes the row of first layer fiber
Cloth.
Step 4, after completing the arrangement of first layer fiber, store up powder tank 2 and fiber display unit 3 and resetted along chute 6, carry out first
Layer powdering, after the completion of powdering, mould 11 is moved down to the fiber arranged in mould 8 and the matrix powder completed application 1MPa
Pressure, fiber and matrix powder are flattened.
Step 5, before carrying out second layer fiber architecture and powdering pressing process and starting, according to the thickness for preparing composite
Degree, lifting platform 9 decline a certain distance.Then according to step 3 to 5, the second layer and third layer fiber architecture and powdering pressure are carried out
System.
After step 6, completion third layer fiber architecture and powdering compacting, upper mould 11 moves down again, right into mould 8
Fiber and matrix powder apply 8MPa pressure to two to have arranged layer by layer, are compressed into lamellar body, carry out normal pressure or hot pressing
Sintering.
Claims (8)
1. a kind of preparation facilities of fiber controllable arrangement enhancing composite, it is characterised in that including support (5), support (5) bag
Include a level board and be arranged on the vertical plate at level board both ends, through hole is offered on level board, shaping mould is provided with through hole
Have (8), mould (8) can be using the central shaft of through hole as axis of rotation, and mould (8) lateral surface is fixed with for limiting
The positioning key (12) of mould (8) vertical position, mould (8) be up/down perforation housing, offer thereon equidistantly,
Even depth for the groove that is positioned to fiber, be arranged with lifting platform (9) in mould (8), symmetrically set on vertical plate
Y-direction guide rail (4) is equipped with, is slided on Y-direction guide rail (4) and is provided with X-direction guide rail (1), on vertical plate under Y-direction guide rail (4)
Side is slided and is provided with movable plate, and fiber display unit (3) and storage powder tank (2) are provided with movable plate, and the bottom of storage powder tank (2) opens up
There is a through hole big with mould internal diameter etc., the lower surface of storage powder tank (2) is higher than the top surface of mould (8), on X-direction guide rail (1)
Slip is provided with for the fiber grips (7) that accommodate fiber and fiber is moved on mould (8) and for that will store up powder tank
(2) scraper plate (10) that the matrix powder in is moved in mould (8).
2. a kind of preparation facilities of fiber controllable arrangement enhancing composite according to claim 1 is characterized in that, also
Including forcing press, it is provided with forcing press for applying stressed upper mould (11) to the material in mould (8).
3. a kind of preparation facilities of fiber controllable arrangement enhancing composite according to claim 2 is characterized in that, institute
The cross section for stating mould (8) is circular or square, upper mould (11) and the cross section of lifting platform (9) and mould (8)
Shape is identical, and the external diameter of upper mould (11) is equal to the internal diameter of the cross section of mould (8).
4. a kind of preparation facilities of fiber controllable arrangement enhancing composite according to claim 1 is characterized in that, institute
Stating fiber grips (7) includes two two grippers being separately positioned on X-direction guide rail (1), and two grippers are electromagnetism
Formula gripper, the claw of gripper carry adsorptivity adhesive plaster.
5. a kind of preparation facilities of fiber controllable arrangement enhancing composite according to claim 4 is characterized in that, two
Connecting rod is provided between the individual gripper.
6. it is a kind of based on claim 1 fiber controllable arrangement enhancing composite preparation method, it is characterised in that including with
Lower step：
Step 1, the fibre bundle after cleaning is divided into monofilament or multifilament, be placed in parallel in fiber display unit (3)；In storage powder tank
(2) matrix powder is uniformly paved with, the thickness of matrix powder is 0~2mm；
Step 2, scraper plate (10) moved back and forth on X-direction guide rail (1), make the matrix powder in storage powder tank (2) be layered on into
In pattern tool (8), powdering carries out precompressed after terminating to bottom powder in mould (8)；
Step 3, move down fiber grips (7) and be powered and make fiber grips (7) gripping fibers, then translation storage powder tank (2) and fiber
Platform for placing, avoid storage powder tank (2) and fiber platform for placing and open mould (8), by fiber grips (7) guide rail in X direction
(1) it is moved to directly over mould (8), then the fiber of clamping is sequentially placed in the groove opened up on mould (8)
In, complete fiber architecture；
Step 4, powder tank (2) and fiber display unit (3) reset will be stored up, first is carried out according to the powdering method in step 1 and step 2
Layer powdering；
Step 5, according to the fiber architecture number of plies, then carry out subsequent fibers arrangement according to step 3 to 5 and powdering suppressed, second
Before layer and follow-up fiber architecture and powdering pre-compaction process, lifting platform (9) is moved down, the distance that lifting platform moves down is that last layer is fine
The thickness sum of peacekeeping matrix powder；
Step 6, will be compressing by the fiber arranged and matrix powder in mould (8), and in high temperature sintering furnace
Carry out normal pressure or hot pressed sintering.
A kind of 7. preparation method of fiber controllable arrangement enhancing composite according to claim 6, it is characterised in that step
Fiber in rapid 1 is carbon fiber, glass fibre, silicon carbide fibre or alumina fiber etc..
A kind of 8. preparation method of fiber controllable arrangement enhancing composite according to claim 6, it is characterised in that step
In rapid 3, the arrangement mode of fiber is parallel arrangement, Orthogonally arrangement or multi-angle arrangement.
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| CN110901096A (en) * | 2019-12-05 | 2020-03-24 | 武汉理工大学 | Hot-pressing preparation method and hot-pressing forming die for fiber oriented distribution reinforced high-molecular water-lubricated bearing base material |
| CN111070720A (en) * | 2019-12-31 | 2020-04-28 | 中国人民解放军国防科技大学 | Fiber position control device and method for fiber reinforced composite material |
| CN112277338A (en) * | 2020-09-30 | 2021-01-29 | 陕西科技大学 | Device and method for efficiently reinforcing composite material by continuous fibers at any angle |
| WO2022006838A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Powder distribution device and powder distribution method thereof, and method for manufacturing ndfeb sintered magnet |
| CN114986931A (en) * | 2022-06-07 | 2022-09-02 | 陕西科技大学 | Device and method for preparing long fiber reinforced composite material by high-precision macro-micro operation |
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| CN110901096A (en) * | 2019-12-05 | 2020-03-24 | 武汉理工大学 | Hot-pressing preparation method and hot-pressing forming die for fiber oriented distribution reinforced high-molecular water-lubricated bearing base material |
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| CN114986931A (en) * | 2022-06-07 | 2022-09-02 | 陕西科技大学 | Device and method for preparing long fiber reinforced composite material by high-precision macro-micro operation |
| CN114986931B (en) * | 2022-06-07 | 2023-08-25 | 陕西科技大学 | Device and method for preparing long fiber reinforced composite material by high-precision macro-micro operation |
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