CN105904739A - Apparatus for rapidly and automatically laying thermoplastic composite material member, and method thereof - Google Patents
Apparatus for rapidly and automatically laying thermoplastic composite material member, and method thereof Download PDFInfo
- Publication number
- CN105904739A CN105904739A CN201610225226.0A CN201610225226A CN105904739A CN 105904739 A CN105904739 A CN 105904739A CN 201610225226 A CN201610225226 A CN 201610225226A CN 105904739 A CN105904739 A CN 105904739A
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- China
- Prior art keywords
- lay
- thermoplastic composite
- thermoplastic
- composite component
- prepreg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an apparatus for rapidly and automatically laying a thermoplastic composite material member. The apparatus comprises a feeding device used for pulling a thermoplastic prepreg tape, a molding device used for laying the thermoplastic prepreg tape provided by the feeding device, and an ultrasonic heating device used for carrying out ultrasonic heating on the thermoplastic prepreg tape laid by the molding device, and the feeding device, the molding device and the ultrasonic heating device are arranged on a laying die. The invention also discloses a method for rapidly and automatically laying the thermoplastic composite material member. The apparatus and the method have the advantages of realization of 100% interface strength of a thermoplastic composite material, great saving of the laying and molding time, efficiency increase, interface combination improvement, realization of control of the crystallization degree and the crystal grain size, and member performance optimization.
Description
Technical field
The present invention relates to the device of a kind of fast automatic lay thermoplastic composite component, be specifically related to a kind of fast automatic lay
The device of the thermoplastic composite component of the little curvature of molding.The invention still further relates to heat based on the little curvature of fast automatic laying forming
The device of plastic composites component carries out the method for fast automatic lay thermoplastic composite component, the invention belongs to composite wood
Material component lay field.
Background technology
Composite automatic placement technology has efficiently, high-quality, high reliability, high stock utilization, the advantage of low cost,
It is particularly suitable for the manufacture of large scale and complex component, decreases the number of assembled part, saved manufacture and assembly cost, and
Significantly reduce percent defective and the manufacturing man-hours of component.
According to the difference of matrix resin, composite can be divided into same with thermosetting compound material and thermoplastic composite.Compared to the former,
It is time-consumingly few that thermoplastic composite has curing molding, good weldability, toughness, recyclability, resist chemical
The advantage such as property and almost limitless shelf-life, is with a wide range of applications.
Prepare to adapt to the efficient/high-quality of large-size components, use fiber automatic placement technology to prepare thermoplastic composite
Component, this mode have employed the mode of " in-situ consolidation ", under the effect of pressure and high temperature thermoplastic prepreg bonded to each other,
Interface occurs the diffusion entanglement of macromolecular chain, crystallisation by cooling to form entirety.But on the one hand thermoplastic composite resin matrix is deposited
In shortcomings such as high viscosity, high processing temperature and high briquetting pressures.The thermoplastic resin polyethers mainly used with current aviation component
As a example by ether ketone PEEK, as hemicrystalline resin matrix, its processing temperature must reach its more than fusing point Tm.PEEK's is molten
Melt temperature and reach 334 DEG C.This proposes high requirement to the thermal source of laying apparatus.On the other hand, laying forming is efficient
Feature needs time enough to complete sufficiently with thermoplastic composite interface to be combined to there is contradiction, thus limits paving automatically
The speed put, according to existing report, employing laser only up to as the speed of the carbon fiber/PEEK automatic placement molding of thermal source
Reach 6m/min, and compared to autoclave molding, its laying interface interlaminar strength is only the 85%-90% of solidification of hot-press tank.It is full
The foot Aero-Space requirement to performance, after general employing autoclave, the mode of solidification improves the performance of component further.
Chinese patent ZL200810235373.1, ZL201410597312.5 relate to laying method and the dress of composite element
Putting, but it is not particularly suited for the lay of thermoplastic composite component of the little curvature of molding, its depositing speeds is the slowest, thermoplastic
Property interfacial shear strength can not meet the Aero-Space requirement to performance.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of fast automatic lay thermoplastic composite component
Device and method.To solve the thermoplastic composite component for large scale little curvature class, prior art is difficult to improving again
Condensation material automatic placement efficiency, meets the Aero-Space technical problem to the requirement of performance simultaneously.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
The device of a kind of fast automatic lay thermoplastic composite component, it is characterised in that including: be used for drawing thermoplasticity pre-
Soak the pay-off of band, for the thermoplastic prepreg that pay-off provides is carried out the shaped device of lay, is used for by molding
The thermoplastic prepreg of device lay carries out the Ultrasonic Heating device of Ultrasonic Heating, and pay-off, shaped device, Ultrasonic Heating fill
Put and be arranged on lay mould.
The one fast automatic lay thermoplastic composite of the device of aforesaid fast automatic lay thermoplastic composite component
The method of component, it is characterised in that comprise the steps:
Step one: thermoplastic prepreg, after pay-off pulls out, is laid on lay by shaped device by thermoplastic prepreg
The surface of mould or lay prepreg tape;
Step 2: Ultrasonic Heating device carries out Ultrasonic Heating to the prepreg tape of lay;
Step 3: repeat step one and step 2, until whole thermoplastic composite component is fully formed;
Step 4: the thermoplastic composite component of molding is carried out entire pressurisation heating, then carries out cured, complete
The preparation of thermoplastic composite component.
The method of aforesaid a kind of fast automatic lay thermoplastic composite component, it is characterised in that described step 2 includes:
At interval of a certain distance s, Ultrasonic Heating device applies pressure and supersonic vibration according to anchoring point set in advance to prepreg.
The method of aforesaid a kind of fast automatic lay thermoplastic composite component, it is characterised in that surpassing in described step 2
Acoustic heating includes: supersonic vibration frequency is 20kHz, and amplitude is 0.15 μm, and the maintenance effect time is 2s.
The method of aforesaid a kind of fast automatic lay thermoplastic composite component, it is characterised in that consolidating in described step 4
Change processes and includes: solidification temperature is 360 DEG C, solidifying pressure 1.2MPa, temperature retention time 10min, and rising gentle rate of temperature fall is 2 DEG C
/min。
The invention have benefit that: the advantage that the present invention utilizes Ultrasonic Heating to realize thermoplastic composite ex situ consolidation exists
In: (1) Ultrasonic Heating belongs to body heating, belongs to high-efficiency heating mode, can realize 100% boundary strength of thermoplastic composite;
(2) use the mode of discontinuous in-situ consolidation molding to achieve the efficient lay of large-scale component, laying forming can be saved greatly
Time, improve efficiency;(3) after using hot pressing, the mode of solidification can improve interface cohesion, by controlling hemicrystalline thermoplastic
Property resin cooling procedure, it is achieved the control of degree of crystallinity and crystallite dimension, optimize component performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of a kind of fast automatic lay thermoplastic composite component of the present invention;
Fig. 2 is the flow chart of the method for a kind of fast automatic lay thermoplastic composite component of the present invention.
The implication of reference in figure:
1, charging tray, 2, prepreg tape, 3, feeding roller, 4, pressure roller, 5, motor, 6, Ultrasonic Heating device, 7, lay
Prepreg tape, 8, lay mould.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention made concrete introduction.
Shown in reference Fig. 1, the device of a kind of fast automatic lay thermoplastic composite component of the present invention, including: it is used for leading
Draw the pay-off of thermoplastic prepreg, carry out the shaped device of lay, use for the thermoplastic prepreg provided by pay-off
In to being carried out the Ultrasonic Heating device of Ultrasonic Heating by the thermoplastic prepreg of shaped device lay, pay-off, shaped device,
Ultrasonic Heating device is arranged on lay mould.Further, specifically, pay-off, including charging tray 1, a pair feeding
Roller 3;Shaped device, including pressure roller 4, Ultrasonic Heating device 6 and motor 5;And prepreg tape 2, lay prepreg tape 7 and
Lay mould 8.The present invention utilizes supersonic vibration to realize thermoplasticity prepreg in the quickly location of die surface and laminating, it is achieved big
The quick shaping of size little curvature component, realizes the molding of High Performance Thermoplastic Composites component eventually through rear solidification.Use
Tradition automatic placement technique, according to the track of design under the effect of laying head, it is achieved prepreg tape being plated at die surface;?
On the basis of this, additional one procedure, use Vltrasonic device, according to default position, prepreg tape is pressurizeed, Ultrasonic Heating,
Realize the precise positioning between prepreg tape and mould and prepreg tape and laminating, form an entirety, for curing process after hot pressing
Offer meets the requirements, and has the thermoplastic composite prefabricated component of accurate laying angle and geometric shape.First pass through placement head
Pay-off, carries out continuous lay along being placed die surface according to default track, simultaneously at interval of a certain distance s, and profit
Drive Ultrasonic Heating device with feed arrangement, according to anchoring point set in advance, prepreg is applied pressure and supersonic vibration, specifically
Ultrasonic technological parameter depend on the matrix resin performance of thermoplasticity prepreg.
The quick interface utilizing Ultrasonic Heating to realize anchoring point combines, and reaches 100% bond strength simultaneously, controls composite structure
The laying direction of part and geometric shape size.After thermoplastic composite component monolithic molding, by solidifying after hot pressing, control pressure
Power and temperature, it is achieved the fully infiltration at interface and the diffusion of interfacial molecular chain and entanglement, improve overall interface bond strength;Control
Cooldown rate processed, the crystallisation by cooling process of regulation hemicrystalline thermoplastic resin, control degree of crystallinity and crystallite dimension, it is achieved performance
Optimization.
Such as Fig. 2, the method for a kind of fast automatic lay thermoplastic composite component of the present invention comprises the steps:
Step one: thermoplastic prepreg, after pay-off pulls out, is laid on lay by shaped device by thermoplastic prepreg
The surface of mould or lay prepreg tape;
Step 2: Ultrasonic Heating device carries out Ultrasonic Heating to the prepreg tape of lay;
As a example by the molding of carbon fiber/PEEK prepreg tape, when the present invention works, first by thermoplasticity under the effect of feeding roller 3
Prepreg tape 2 pulls out from charging tray 1;Under the effect of pressure roller 4, it is laid in lay mould 8 according to default track or has spread
Putting the surface of prepreg tape 7, then Ultrasonic Heating device 6 produces pressure under the effect of motor 5 on prepreg surface, enters simultaneously
Row Ultrasonic Heating, wherein supersonic vibration frequency is 20kHz, amplitude be 0.15 μm maintenance effect time be 2s so that consolidation
The interface of the prepreg tape of point forms complete laminating, it is achieved the precise positioning in prepreg tape laying direction.When between discontinuous anchoring point
Away from s be 1m time, whole lay Rate Theory value can reach 30m/min, suitable with the lay speed of same with thermosetting compound material.
Step 3: repeat step one and step 2, until whole thermoplastic composite component is fully formed;
Completed the lay location shaping of monolayer prepreg by above-mentioned steps after, repeat the lay of the second layer, until whole heat
Plastic composites component is fully formed.
Step 4: the thermoplastic composite component of molding is carried out entire pressurisation heating, then carries out cured, complete
The preparation of thermoplastic composite component.
Last entire pressurisation heating carries out post curing treatment, and (solidification temperature is 360 DEG C, solidifying pressure 1.2MPa, temperature retention time
10min, rising gentle rate of temperature fall is 2 DEG C/min), it is achieved the efficient preparation of the thermoplastic composite component of the little curvature of large scale.
The present invention is directed to the thermoplastic composite component of large scale little curvature class, propose to use discontinuous in-situ consolidation automatic placement
Molding mode, in conjunction with after solidification mode improve composite automatic placement efficiency, meet Aero-Space simultaneously and performance wanted
Ask.Comprehensive Correlation several conventional heating mode: hot blast, infrared, laser and supersonic vibration, wherein supersonic vibration heating mechanism
Belonging to body heating, the outstanding advantages such as have quickly and the cycle is short, being suitable as thermal source, to realize the quick in situ of anchoring point discontinuous
Consolidation.
The technological parameter of Ultrasonic Heating depends on the type of thermoplastic composite matrix resin, by regulation supersonic frequency, power,
Realize amplitude and pressure, action time etc. the discontinuous in-situ consolidation of thermoplasticity prepreg, it is achieved the laying direction of prepreg tape with
And being precisely controlled of geometric shape.
Visible, the advantage that the present invention utilizes Ultrasonic Heating to realize thermoplastic composite ex situ consolidation is: (1) Ultrasonic Heating
Belong to body heating, belong to high-efficiency heating mode, 100% boundary strength of thermoplastic composite can be realized;(2) use discontinuous
The mode of in-situ consolidation molding achieves the efficient lay of large-scale component, can save greatly the time of laying forming, improves effect
Rate;(3) after using hot pressing, the mode of solidification can improve interface cohesion, by controlling the cooled of hemicrystalline thermoplastic resin
Journey, it is achieved degree of crystallinity and the control of crystallite dimension, optimizes component performance.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry,
Above-described embodiment limits the present invention the most in any form, the technical scheme that the mode of all employing equivalents or equivalent transformation is obtained,
All fall within protection scope of the present invention.
Claims (5)
1. the device of a fast automatic lay thermoplastic composite component, it is characterized in that, including: for drawing the pay-off of thermoplastic prepreg, carrying out the shaped device of lay for the thermoplastic prepreg provided by pay-off, be used for the Ultrasonic Heating device being carried out Ultrasonic Heating by the thermoplastic prepreg of shaped device lay, pay-off, shaped device, Ultrasonic Heating device are arranged on lay mould.
2. the method for a kind of fast automatic lay thermoplastic composite component of device based on the fast automatic lay thermoplastic composite component described in claim 1, it is characterised in that comprise the steps:
Step one: thermoplastic prepreg, after pay-off pulls out, is laid on the surface of lay mould or lay prepreg tape by thermoplastic prepreg by shaped device;
Step 2: Ultrasonic Heating device carries out Ultrasonic Heating to the prepreg tape of lay;
Step 3: repeat step one and step 2, until whole thermoplastic composite component is fully formed;
Step 4: the thermoplastic composite component of molding is carried out entire pressurisation heating, then carries out cured, complete the preparation of thermoplastic composite component.
The method of a kind of fast automatic lay thermoplastic composite component the most according to claim 2, it is characterized in that, described step 2 includes: at interval of a certain distance s, Ultrasonic Heating device applies pressure and supersonic vibration according to anchoring point set in advance to prepreg.
The method of a kind of fast automatic lay thermoplastic composite component the most according to claim 2, it is characterised in that the Ultrasonic Heating in described step 2 includes: supersonic vibration frequency is 20kHz, and amplitude is 0.15, and the maintenance effect time is 2s.
The method of a kind of fast automatic lay thermoplastic composite component the most according to claim 2, it is characterized in that, the cured in described step 4 includes: solidification temperature is 360 DEG C, solidifying pressure 1.2MPa, temperature retention time 10min, rising gentle rate of temperature fall is 2 DEG C/min.
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106872521A (en) * | 2017-02-17 | 2017-06-20 | 南京航空航天大学 | Automatic placement defect dynamic on-line monitoring device and method based on infrared imaging |
CN108819292A (en) * | 2018-07-10 | 2018-11-16 | 长春理工大学 | Thermoplastic composite automatic placement device and method |
CN109049754A (en) * | 2018-08-20 | 2018-12-21 | 江苏大学 | A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser |
CN111361179A (en) * | 2020-03-30 | 2020-07-03 | 西安交通大学 | Thermoplastic composite material forming process suitable for complex large curvature |
CN113050736A (en) * | 2021-06-02 | 2021-06-29 | 成都飞机工业(集团)有限责任公司 | Method for detecting stiffness of prepreg by automatic fiber placement |
CN113352646A (en) * | 2021-06-10 | 2021-09-07 | 长沙理工大学 | Automatic laying device for prepreg tape |
TWI741742B (en) * | 2020-08-19 | 2021-10-01 | 國立臺北科技大學 | Portable thermoshapable fabric composite heating device kit |
CN113954275A (en) * | 2021-10-29 | 2022-01-21 | 中国民航大学 | Integrated rapid forming method for thermoplastic composite material |
CN114111897A (en) * | 2021-11-16 | 2022-03-01 | 中国航空工业集团公司北京长城计量测试技术研究所 | Device and method for monitoring automatic fiber laying process |
CN114801257A (en) * | 2021-05-26 | 2022-07-29 | 大连理工大学重大装备设计与制造郑州研究院 | Thermoplastic carbon fiber prepreg tape laminated board system appearance device |
CN115476555A (en) * | 2022-10-10 | 2022-12-16 | 北京机科国创轻量化科学研究院有限公司 | Layer-detection function integrated intelligent device of fiber metal laminate |
Citations (1)
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CN105034534A (en) * | 2014-04-30 | 2015-11-11 | 空中客车营运有限公司 | Method for obtaining a composite laminate |
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CN105034534A (en) * | 2014-04-30 | 2015-11-11 | 空中客车营运有限公司 | Method for obtaining a composite laminate |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106872521A (en) * | 2017-02-17 | 2017-06-20 | 南京航空航天大学 | Automatic placement defect dynamic on-line monitoring device and method based on infrared imaging |
CN108819292A (en) * | 2018-07-10 | 2018-11-16 | 长春理工大学 | Thermoplastic composite automatic placement device and method |
CN108819292B (en) * | 2018-07-10 | 2020-09-04 | 长春理工大学 | Automatic laying device and method for thermoplastic composite material |
CN109049754A (en) * | 2018-08-20 | 2018-12-21 | 江苏大学 | A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser |
CN111361179A (en) * | 2020-03-30 | 2020-07-03 | 西安交通大学 | Thermoplastic composite material forming process suitable for complex large curvature |
TWI741742B (en) * | 2020-08-19 | 2021-10-01 | 國立臺北科技大學 | Portable thermoshapable fabric composite heating device kit |
CN114801257A (en) * | 2021-05-26 | 2022-07-29 | 大连理工大学重大装备设计与制造郑州研究院 | Thermoplastic carbon fiber prepreg tape laminated board system appearance device |
CN113050736A (en) * | 2021-06-02 | 2021-06-29 | 成都飞机工业(集团)有限责任公司 | Method for detecting stiffness of prepreg by automatic fiber placement |
CN113352646A (en) * | 2021-06-10 | 2021-09-07 | 长沙理工大学 | Automatic laying device for prepreg tape |
CN113954275A (en) * | 2021-10-29 | 2022-01-21 | 中国民航大学 | Integrated rapid forming method for thermoplastic composite material |
CN114111897A (en) * | 2021-11-16 | 2022-03-01 | 中国航空工业集团公司北京长城计量测试技术研究所 | Device and method for monitoring automatic fiber laying process |
CN115476555A (en) * | 2022-10-10 | 2022-12-16 | 北京机科国创轻量化科学研究院有限公司 | Layer-detection function integrated intelligent device of fiber metal laminate |
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