CN108973161A - A kind of preparation method of carbon fibre composite artificial limb thermoplasticity prepreg cloth and prosthetic components - Google Patents
A kind of preparation method of carbon fibre composite artificial limb thermoplasticity prepreg cloth and prosthetic components Download PDFInfo
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- CN108973161A CN108973161A CN201810654131.XA CN201810654131A CN108973161A CN 108973161 A CN108973161 A CN 108973161A CN 201810654131 A CN201810654131 A CN 201810654131A CN 108973161 A CN108973161 A CN 108973161A
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- carbon fiber
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- prosthetic components
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- fibre
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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
- B29C70/34—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 and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/002—Making articles of definite length, i.e. discrete articles
Abstract
The invention discloses the preparation methods of a kind of carbon fibre composite artificial limb thermoplasticity prepreg cloth and prosthetic components.The present invention uses Farraginous carbon fiber various structures fabric and the membranaceous resin matrix of thermoplasticity to carry out heating compound preparation thermoplasticity prepreg cloth first, two-dimension laminate melting is carried out using the prepreg cloth later or three-dimensional structure melts, semi-finished product prosthetic components are cooled into after melting, it is hot-forming by soften in the final re-closed mold of machine cuts finishing, the prosthetic components of different external forms are obtained after cooling.The thermoplasticity carbon fibre composite prosthetic components have the characteristic that can soften hot briquetting repeatedly, different physiological cambers can be carried out according to the specific requirement of user and appearance structure adjusts, had and preferably wear adaptability.
Description
Technical field
The present invention relates to a kind of composite material artificial limb protector, and in particular to a kind of carbon fibre composite artificial limb thermoplasticity
The preparation method of prepreg cloth and prosthetic components.
Background technique
Artificial limb is indispensable auxiliary tool during disability rehabilitation, and the development of artificial limb material is also in rehabilitation work
The earliest and with fastest developing speed branch of journey field development.Since the motion complexity of human body trunk organ necessarily brings shaping structures
Complicated factor, this makes the technology content in the preparation molding for artificial limb more demanding.The development of modern prosthese uses at present
Some ultralight metal materials, improved such as light aluminum alloy, titanium alloy and high-performance composite materials wearing flexibility and
Action comfort, but as the continuous improvement that disabled person requires action is lighter for the self weight requirement of prosthetic components, simultaneously
Human body amalgamation during wearing is also a crucial requirement.Human leg or arm structure vary with each individual, external form and
Physiological camber is different, to be required using the individual that the structure design of general external form is often unsatisfactory for all multi-users, therefore
The artificial limb for designing specific shape and physiological camber for different users becomes the key request applied.And traditional metal materials and
The forming process of traditional same with thermosetting compound material is influenced by material self-characteristic, often can only one-pass molding and cannot fit
Should external form and curvature in the long-term use micro-adjustment, therefore a kind of artificial limb accessory of advanced composite material (ACM) material is set
The research of meter and material and molding mode is with regard to most important.
Summary of the invention
In view of the above shortcomings of the prior art, inventor provides a kind of carbon fiber thermal through long-term technology and practical exploration
The preparation method of plasticity prepreg cloth, the thermoplasticity prepreg cloth being prepared using this method can carry out semi-finished product carbon fiber composite
Expect the processing of prosthetic components, while forming technique can be softened by the pressurization being simple and efficient using the semi-finished product and prepare different external forms
With the composite material artificial limb of physiological camber.First using Farraginous carbon fiber various structures fabric and the membranaceous resin matrix of thermoplasticity into
Row heats compound preparation thermoplasticity prepreg cloth, carries out two-dimension laminate melting using the prepreg cloth later or three-dimensional structure melts,
It is cooled into semi-finished product prosthetic components after melting, is hot pressed by carrying out softening in the final re-closed mold of machine cuts finishing
Type obtains the prosthetic components of different external forms after cooling.
One of the objects of the present invention is to provide a kind of preparation methods of thermoplastic carbon fiber prepreg cloth.
The second object of the present invention is to provide that a kind of based on above-mentioned thermoplastic carbon fiber prepreg cloth to prepare carbon fiber compound
The method of material prosthetic components.
The third object of the present invention is to provide above-mentioned carbon fibre composite prosthetic components.
To achieve the above object, the present invention adopts the following technical scheme:
The first aspect of the invention provides a kind of preparation method of thermoplastic carbon fiber prepreg cloth, the method packet
It includes: thermoplastic resin glue film is fixed and sprawled according to the matched size of carbon fibre fabric breadth, by carbon fibre fabric and heat
Plastic resin glue film is combined through rolling dipping.
Preferably, the carbon fibre fabric by high-strength carbon fiber/or high modulus carbon fiber/or high-strength carbon fiber/or
High modulus carbon fiber and assorted fibre carry out knitting forming and are made；
The high-strength carbon fiber is any one in T300, T700, T800, T1000；
The high modulus carbon fiber is any one in M40, M40J, M55, M55J, M60, M60J；
Inorfil can be selected in the assorted fibre, and the inorfil includes but is not limited to alumina fibre, silicon carbide
Fiber, boron nitride fiber, silicon nitride fiber；
Unidirectional fibre or two-dimensional fabric structure type can be selected in carbon fiber, while the structure shape of 3 D weaving also can be selected
Formula；Wherein plain weave, twill or satin weave form can be selected in two-dimensional fabric structure, and three-dimensional four-way, three can be selected in three-dimensional braided structure
Tie up five-way, three-dimensional six-way, any one in three-dimensional seven-way braiding structure；
Preferably, the grammes per square metre of the thermoplastic resin glue film is controlled in 5-20g/m2, thermoplastic resin can be selected polyethylene,
Acrylic-ethylene base co-polymer, ethylene methyl methacrylate copolymer, polypropylene, gathers ethylene-methacrylic acid copolymer
Urethane, polyphenylene sulfide, polyether-ether-ketone, any one in polyamide；
Preferably, the rolling dipping method particularly includes: carbon fibre fabric and glue film are passed through and rolled continuously across multiple groups hot-rolling
Pressure dipping is compound；Further preferably by four groups of hot-rolling rolling；Wherein the roll body temperature of four groups of hot-rollings can be according to the hot melt of glue film
Temperature characterisitic is voluntarily adjusted, to guarantee to heat penetration degree；
Further preferred four groups of hot-rollings roll body temperature rises in gradient, and first group of hot-rolling roll body temperature is 100~110 DEG C,
4th group of hot-rolling roll body temperature is 120~150 DEG C；After four groups of hot-rolling pressurization hot melts, carbon fiber is thoroughly permeated in glue film melting
It ties up fabric and forms thermoplastic carbon fiber prepreg cloth；The overall gel content of thermoplastic carbon fiber prepreg cloth is controlled in 20-30% range
It is interior；
The second aspect of the invention provides one kind based on thermoplastic carbon fiber prepreg cloth and prepares carbon fibre composite
The method of prosthetic components, which comprises
S1. the hot melt that thermoplastic carbon fiber prepreg cloth pressurizeed in closed cavity handles and is cooled and shaped obtained thermoplasticity carbon
Fibrous composite artificial limb semifinished part；
S2. thermoplasticity carbon fibre composite artificial limb semifinished part made from step S1 is subjected to mechanical secondary processing,
Softening in closed cavity is subsequently placed in suppress and be cooled and shaped obtained thermoplasticity carbon fibre composite prosthetic components.
Preferably, the method also includes step S2 is prepared prosthetic components and is pressurizeed by reheating to soften molding
Mode microcosmic external form and curvature are adjusted；
Preferably, pressurization heats specific treatment conditions in the step S1 are as follows: temperature is 120-150 DEG C, and pressurization pressure is
5-20MPa；
Preferably, softening press temperature control in the step S2 is 130~150 DEG C, and softening compacting pressure control is 16
~20MPa；
The third aspect of the invention provides the prosthetic components that the above method is prepared.
Beneficial effects of the present invention:
The present invention provides a kind of thermoplastic carbon fiber prepreg cloth and prepares carbon based on the thermoplastic carbon fiber prepreg cloth
The method of fibrous composite prosthetic components, by the way that carbon fibre fabric is combined with thermoplastic resin glue film through rolling dipping
Thermoplastic carbon fiber prepreg cloth is prepared and then carbon fibre composite prosthetic components are prepared, so that the vacation finally prepared
Limb component also makes the prosthetic components being prepared can be according to making in addition to advantages such as light weight, intensity height, long service life
With requiring to carry out external form, curvature, wear being adjusted flexibly for special type requirement, so that it is more comfortable to wear wearer；
Meanwhile preparation process of the present invention does not need Large expensive device instrument, preparation process is simple, keeps production simple, just
In operation.So that the present invention has wide industrial applications prospect and practical application value.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Specifically, providing a kind of preparation side of thermoplastic carbon fiber prepreg cloth in a kind of specific embodiment of the invention
Method, can carry out the processing of semi-finished product carbon fibre composite prosthetic components using the thermoplasticity prepreg cloth, at the same using should half at
Product can prepare the composite material artificial limb of different external forms and physiological camber by the pressurization softening forming technique being simple and efficient.It adopts first
It carries out heating compound preparation thermoplasticity prepreg cloth with Farraginous carbon fiber various structures fabric and the membranaceous resin matrix of thermoplasticity, later
Two-dimension laminate melting is carried out using the prepreg cloth or three-dimensional structure melts, semi-finished product prosthetic components are cooled into after melting, is led to
It crosses machine cuts and modifies and soften hot-forming in final re-closed mold, obtain the prosthetic components of different external forms after cooling.
In still another embodiment of the invention, unidirectional fibre or two-dimensional fabric structure is can be selected in the carbon fiber
Form, while the structure type of 3 D weaving also can be selected.Wherein plain weave, twill or satin weave shape can be selected in two-dimensional fabric structure
Three-dimensional four-way, three-dimensional five-way, three-dimensional six-way, any one in three-dimensional seven-way braiding structure can be selected in formula, three-dimensional braided structure.
In still another embodiment of the invention, high-strength carbon fiber and high-modulus carbon fiber is can be selected in the carbon fiber
Dimension carries out the processing of braiding precast body fabric, and wherein high-strength carbon fiber can be selected any in T300, T700, T800, T1000
Any one in M40, M40J, M55, M55J, M60, M60J can be selected in one kind, high modulus carbon fiber, can also by high-modulus or
High-strength carbon fiber cooperates assorted fibre to carry out braided fabric processing as main fibre.
In still another embodiment of the invention, polyethylene, acrylic acid-second is can be selected in the thermoplastic resin matrix
Alkenyl copolymers, ethylene-methacrylic acid copolymer, ethylene methyl methacrylate copolymer, polypropylene, polyurethane, polyphenyl
Thioether, polyether-ether-ketone, polyamide etc. any one, thermoplastic resin matrix uses the structure type of resin glue film, wherein glue film
Grammes per square metre in 5-20g/m2In range.
In still another embodiment of the invention, the preparation of the thermoplasticity carbon fiber prepreg first will be used
Carbon fibre fabric sprawled on live-roller uniformly, later by glue film according to fixed simultaneously with the matched size of carbon fibre fabric breadth
It sprawls, carbon fibre fabric and glue film is compound continuously across four groups of hot-rolling rolling dippings, and wherein the roll body temperature of level Four hot-rolling can
It is voluntarily adjusted according to the hot melting temperature characteristic of glue film, to guarantee to heat penetration degree.After level Four pressurization hot melt, glue
Thoroughly infiltration carbon fibre fabric forms prepreg for film melting, and the overall gel content of prepreg controls within the scope of 20-30%.
In still another embodiment of the invention, the system of the thermoplasticity carbon fibre composite artificial limb semi-finished product
It is standby, above-mentioned prepreg can be used and prepared, after selecting two-dimensional fabric lamination or three dimensional fabric laying, prepreg fabric is placed in
It in closed mould, is pressurizeed using press, wherein the pressure to pressurize controls within the scope of 5-20MPa, hot melting temperature is according to warm
The melting temperature of plastic resin is adjusted flexibly, and final pressing time controls in 1-3 hours ranges, by composite molding
Sample is taken out in die sinking after this component end item of artificial limb is cooled to 40 DEG C or less.
In still another embodiment of the invention, the finished product of the prosthetic components is processed, using the heat of above-mentioned preparation
Plasticity 3 D weaving carbon fiber composite semi-finished products product, secondary cut are placed in finished product molding die at required size
In, according to the specific softening temperature of resin, and certain briquetting pressure is set and carries out final thermoplastic composite prosthetic components
Molding preparation, prosthetic components after preparation can be pressurizeed by reheating soften molding mode to microcosmic external form and curvature into
Row adjustment.
In order to enable those skilled in the art can clearly understand technical solution of the present invention, below with reference to tool
The embodiment of the body technical solution that the present invention will be described in detail.
Embodiment 1
1 meter of continuous breadth of breadth is arranged into using the unidirectional fibre of T300 carbon fiber, uses the grammes per square metre of 1 meter of breadth for 5g/
m2Fabric is fixed and is sprawled with hot melt adhesive film, by carbon fibre fabric and glue film continuously across four by polyethylene hot-melt adhesive film
Group hot-rolling rolling dipping is compound, wherein the temperature of four groups of hot-rollings is set gradually from front to back as 100 DEG C, 110 DEG C, 120 DEG C, 130
DEG C, after four groups of hot-rolling pressurizing meltings, form the prepreg of overall gel content control 20%.
Unidirectional preimpregnation is arranged in closed mould, is pressurizeed using 5MPa pressure, hot melting temperature is controlled at 130 DEG C,
Pressing time is 1 hour, and by the artificial limb of composite molding, this component end item is cooled to 40 DEG C or less rear die sinking taking-up samples.
Semi-finished product after cutting are placed in molding die, using 140 DEG C of softening temperature, 16.5MPa's
Softening compression moulding is carried out under pressure, molding time is taken at 1 hour, by the part cooling after final molding to 40 DEG C with lower open die
Sample prepares final prosthetic components.
Embodiment 2
2 meters of continuous breadths of breadth are arranged into using the two-dimentional plain cloth of T700 carbon fiber, use the grammes per square metre of 2 meters of breadth for
20g/m2Fabric is fixed and is sprawled with hot melt adhesive film by polypropylene hot melt adhesive film, and carbon fibre fabric is continuously passed through with glue film
It is compound to cross four groups of hot-rollings rolling dipping, wherein the temperature of four groups of hot-rollings set gradually from front to back for 110 DEG C, 120 DEG C, 130 DEG C,
150 DEG C, after four groups of hot-rolling pressurizing meltings, form the prepreg of overall gel content control 30%.
The preimpregnation of two-dimentional plain cloth is arranged in closed mould, is pressurizeed using 20MPa pressure, hot melting temperature control
At 150 DEG C, pressing time is 2 hours, and by the artificial limb of composite molding, this component end item is cooled to 40 DEG C or less rear die sinking taking-up samples
Product.
Semi-finished product after cutting are placed in molding die, using 150 DEG C of softening temperature, in the pressure of 20MPa
Softening compression moulding is carried out under strong, molding time is taken at 2 hours, by the part cooling after final molding to 40 DEG C with lower open die
Sample prepares final prosthetic components.
Embodiment 3
Be arranged into 1 meter of continuous breadth of breadth using the two-dimentional twills of M40 carbon fiber, use the grammes per square metre of 1 meter of breadth for
12g/m2Fabric is fixed and is sprawled with hot melt adhesive film, by carbon fibre fabric and glue film continuously across four by EMA hot melt adhesive film
Group hot-rolling rolling dipping is compound, wherein the temperature of four groups of hot-rollings is set gradually from front to back as 100 DEG C, 110 DEG C, 115 DEG C, 120
DEG C, after four groups of hot-rolling pressurizing meltings, form the prepreg of overall gel content control 20-30%.
The preimpregnation of two-dimentional twills is arranged in closed mould, is pressurizeed using 5-20MPa pressure, hot melting temperature control
For system at 120 DEG C, pressing time is 2 hours, and by the artificial limb of composite molding, this component end item is cooled to 40 DEG C or less rear die sinking samplings
Product.
Semi-finished product after cutting are placed in molding die, using 130 DEG C of softening temperature, 17.5MPa's
Softening compression moulding is carried out under pressure, molding time is taken at 2 hours, by the part cooling after final molding to 40 DEG C with lower open die
Sample prepares final prosthetic components.
Embodiment 4
1 meter of continuous breadth of breadth is arranged into using the three-dimensional five-way fabric of M60 carbon fiber, use the grammes per square metre of 1 meter of breadth for
18g/m2Fabric is fixed and is sprawled with hot melt adhesive film by EMMA hot melt adhesive film, by carbon fibre fabric and glue film continuously across
Four groups of hot-rollings rolling dipping is compound, wherein the temperature of four groups of hot-rollings set gradually from front to back for 100 DEG C, 105 DEG C, 120 DEG C,
130 DEG C, after four groups of hot-rolling pressurizing meltings, form the prepreg of overall gel content control 30%.
The preimpregnation of three-dimensional five-way three dimensional fabric is arranged in closed mould, is pressurizeed using 20MPa pressure, hot melting temperature
At 128 DEG C, pressing time is 3 hours for control, is opened and takes after the artificial limb of composite molding this component end item is cooled to 40 DEG C or less
Sample out.
Semi-finished product after cutting are placed in molding die, using 130 DEG C of softening temperature, 19.5MPa's
Softening compression moulding is carried out under pressure, molding time is taken at 1 hour, by the part cooling after final molding to 40 DEG C with lower open die
Sample prepares final prosthetic components.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of preparation method of thermoplastic carbon fiber prepreg cloth, which is characterized in that the described method includes: by thermoplastic resin adhesive
Film is fixed and is sprawled according to the matched size of carbon fibre fabric breadth, by carbon fibre fabric with thermoplastic resin glue film through rolling
Dipping is combined.
2. preparation method as described in claim 1, which is characterized in that the carbon fibre fabric is by high-strength carbon fiber/or height
Modulus carbon fiber/or high-strength carbon fiber/or high modulus carbon fiber and assorted fibre carry out knitting forming and are made；
The high-strength carbon fiber is any one in T300, T700, T800, T1000；
The high modulus carbon fiber is any one in M40, M40J, M55, M55J, M60, M60J；
The assorted fibre selects inorfil, and the inorfil includes alumina fibre, silicon carbide fibre, boron nitride fibre
Dimension, silicon nitride fiber.
3. preparation method as claimed in claim 2, which is characterized in that carbon fiber selects unidirectional fibre, two-dimensional fabric structure shape
The structure type of formula or 3 D weaving；
Wherein two-dimensional fabric structure selects plain weave, twill or satin weave form；
Three-dimensional braided structure selects three-dimensional four-way, three-dimensional five-way, three-dimensional six-way, any one in three-dimensional seven-way braiding structure.
4. preparation method as described in claim 1, which is characterized in that the grammes per square metre of the thermoplastic resin glue film is controlled in 5-
20g/m2；
Thermoplastic resin selects polyethylene, acrylic-ethylene base co-polymer, ethylene-methacrylic acid copolymer, ethylene-methyl
Methyl acrylate copolymer, polypropylene, polyurethane, polyphenylene sulfide, polyether-ether-ketone, any one in polyamide.
5. preparation method as described in claim 1, which is characterized in that the rolling dipping method particularly includes: knit carbon fiber
Object passes through compound continuously across multiple groups hot-rolling rolling dipping with glue film；
It is rolled preferably through four groups of hot-rollings；
Further preferred four groups of hot-rollings roll body temperature rises in gradient, and first group of hot-rolling roll body temperature is 100~110 DEG C, and the 4th
Group hot-rolling roll body temperature is 120~150 DEG C.
6. preparation method as described in any one in claim 1-5, which is characterized in that the totality of thermoplastic carbon fiber prepreg cloth contains
Glue amount controls within the scope of 20-30%.
7. one kind prepares carbon fibre composite artificial limb portion based on any one of the claim 1-6 thermoplastic carbon fiber prepreg cloth
The method of part, which is characterized in that the described method includes:
S1. the hot melt that thermoplastic carbon fiber prepreg cloth pressurizeed in closed cavity handles and is cooled and shaped obtained thermoplasticity carbon fiber
Composite material artificial limb semifinished part；
S2. thermoplasticity carbon fibre composite artificial limb semifinished part made from step S1 is subjected to mechanical secondary processing, then
Softening in closed cavity is placed in suppress and be cooled and shaped obtained thermoplasticity carbon fibre composite prosthetic components.
8. method as claimed in claim 7, which is characterized in that logical the method also includes prosthetic components are prepared to step S2
The molding mode of reheating pressurization softening is crossed to be adjusted microcosmic external form and curvature.
9. method as claimed in claim 7, which is characterized in that pressurization heats specific treatment conditions in the step S1 are as follows: temperature
It is 120-150 DEG C, pressurization pressure is 5-20MPa；
Softening press temperature control in the step S2 is 130~150 DEG C, and softening compacting pressure control is 16~20MPa.
10. the prosthetic components that any one of claim 7-9 the method is prepared.
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| CN201810654131.XA CN108973161B (en) | 2018-06-22 | 2018-06-22 | Thermoplastic prepreg cloth for carbon fiber composite material artificial limb and preparation method of artificial limb component |
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| CN201810654131.XA CN108973161B (en) | 2018-06-22 | 2018-06-22 | Thermoplastic prepreg cloth for carbon fiber composite material artificial limb and preparation method of artificial limb component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109875838A (en) * | 2019-03-15 | 2019-06-14 | 山东聚维复合材料科技有限公司 | A kind of carbon fibre composite energy storage convalescence device |
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