CN109049754A - A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser - Google Patents
A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser Download PDFInfo
- Publication number
- CN109049754A CN109049754A CN201810947805.5A CN201810947805A CN109049754A CN 109049754 A CN109049754 A CN 109049754A CN 201810947805 A CN201810947805 A CN 201810947805A CN 109049754 A CN109049754 A CN 109049754A
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- China
- Prior art keywords
- laser
- carbon fiber
- laser head
- fiber prepreg
- mold
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- 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
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
Abstract
The invention discloses a kind of double light source temperature of laser to assist carbon fiber prepreg laying device and method, while carbon fiber prepreg is introduced compacting zone by pressure roller, bonding land is formed between mold and carbon fiber prepreg using the temperature that laser energy generates, recycling platen pressure is at bounding point by carbon fiber prepreg together with die bonds, simultaneously using one kind by temperature sensor, the closed-loop control system of controller and double heating laser head compositions, it realizes according to the collected temperature information of this temperature sensor, feed back to controller, more accurately to adjust pulse and the energy of laser beam, when carbon fiber prepreg is directed into compacting zone, adjust heating region temperature, laying work area is set to remain at optimal laying temperature, to ensure that the firmness of carbon fiber prepreg laying, it can guarantee that carbon fiber is pre- again simultaneously Leaching material is not ablated.
Description
Technical field
The invention belongs to carbon fibre producing facility fields more particularly to a kind of double light source temperature of laser to assist carbon fiber prepreg
Laying device and method.
Background technique
With the development of equipment manufacture, propose tightened up requirement to the performance of engineering goods, carbon fibre material with
Its superior mechanical property, in every field using more and more extensive.The intensity of carbon fiber prepreg can achieve steel
6-12 times, density only has steel a quarter.Plasticity is good, and any shape can be made into according to mold shape, and molding is easy, is convenient for
Processing, corrosion-resistant, the service life is long.Carbon fibre material is initially applied to military and aerospace field, currently, due to the hair of science and technology
Exhibition, carbon fibre material are widely used in rail traffic vehicles, electric car, truck, wind electricity blade, fuel cell, power cable,
Pressure vessel, public infrastructure, medical treatment and industrial equipment, the fields such as Leisure Sport product and fashionable life apparatus.
Most of current carbon fiber prepreg laying process is using manual laying, and not only processing efficiency is low, complex steps,
Manpower and material resources consumption is big, and economic benefit is low, and laying quality defect, and adhesion is inadequate, is easy and matrix disengages.In addition,
In known method, carbon fiber prepreg is heated using hot inflator, carbon fibre initial rinse material strip and mold are heated to identical by hot gas
Temperature, but hot inflator heating surface (area) (HS is not easy to control, and not can control temperature change, only has single heating efficiency,
Easily cause the ablation of prepreg band.Therefore, in carbon fiber prepreg band laying apparatus or method, hot inflator is this to be added
Hot method is relatively backward.
Laser processing technology is a kind of high efficiency, high-precision noncontact processing method, moreover, laser can pass through optics
Element transmission and transformation, it is easy to accomplish automated production.Guidance carbon fiber prepreg composite material paving is assisted in laser temperature at present
If the research in field is applied almost without therefore, the invention proposes the device and method of this novelty.
Summary of the invention
The present invention is insufficient according to prior art and defect, proposes a kind of double light source temperature auxiliary carbon fiber prepregs of laser
Laying devices and methods therefor, it is therefore intended that solve traditional artificial laying and the existing laying low efficiency of hot inflator heating, carbon fiber
Tie up the ropy problem of prepreg band laying.
A kind of double light source temperature auxiliary carbon fiber prepreg laying devices of laser, including pressure roller, platen pressure control motor, put
Material strip wheel, feed roller, tensioning wheel, mold, temperature sensor, laser controller, laser head A and laser head B, the pressure roller and pressure
Roller pressure controls motor connection, and pressure roller is contacted with the end of mold direction of advance, the carbon fibre initial rinse on the blowing belt wheel
Material introduces the bounding point on mold by the effect of tensioning wheel and feed roller；The laser controller is separately connected temperature sensing
Device, laser head A and laser head B, the measurement end of the temperature sensor are placed at bounding point.
Further, the laser direction of the laser head B is irradiated towards the prepreg band between feed roller and pressure roller, realization pair
The preheating of this partial prepreg band, laser head A are realized towards preheating carbon fiber prepreg and the mold irradiation for compressing region to this
Part preheating carbon fiber prepreg is heated to required temperature；Setting inside the laser head of the laser head A and laser head B
Beam shaping, the beam shaping are made of Fresnel Lenses and cylindrical lens, by the laser of laser head A and laser head B
Beam shaping obtains rectangular light beam.
Further, the laser controller controls laser head A and laser head B, watt level required for generating.
Further, the laser head A, laser head B and temperature sensor and pressure roller are whole as the mobile of mold can be automatic
It adjusts, so that mold and compacting carbon fiber pre-tighten material can be heated by continuous uniform.
Further, mold shape according to workpieces processing shape with being selected.
A kind of double light source temperature auxiliary carbon fiber prepreg laying methods of laser, comprising the following steps:
Step 1, mold is processed, guarantees that die surface is bright and clean, coats release agent；
Step 2, carbon fiber prepreg to be compressed first is guided by tensioning wheel and feed roller mechanism to processed mold
Bounding point guarantee that carbon fiber prepreg keeps tight shape by pressure roller to its pre-pressing；
Step 3, the initial position for adjusting two laser head A, B and temperature sensor is radiated at laser beam respectively viscous
Prepreg band at chalaza between region compacted around and feed roller and pressure roller, and adjust temperature sensor measurement point and bonding
At point；
Step 4, first starting laser controller opens laser head A and laser head B, first adds to mold and carbon fiber prepreg
Heat, restarts platen pressure control motor, and pressure roller 1 starts to carry out laying work between compacting carbon fiber prepreg and mold
Industry；
Step 5, it is finished to first layer laying, closes platen pressure and control motor, simultaneously close off laser head A and laser head B,
It repeats above-mentioned steps and is laid with the second layer；
Step 6, it is to be laid to workpiece manufacture require thickness when, close whole device, demoulding when being cooled to certain temperature.
Beneficial effects of the present invention: the present invention replaces conventional manual method by a set of automated tape-laying, realizes automation,
Improve processing efficiency；The present invention is respectively intended to preheating and main heating, eliminates gap at bounding point by double laser light source
The region that can not be heated；By Cryocooler Temperature Closed Loop Control System, the accurate control to laying temperature is realized, optimal paving is obtained
Layer quality.
Detailed description of the invention
Fig. 1 is the operation schematic diagram of apparatus of the present invention；
Fig. 2 is the laying schematic diagram of cylindrical mould；
Fig. 3 is laser beam shaping system；
In figure: 1- pressure roller, 2- pressure roller control motor, 3- blowing belt wheel, 4- feed roller, 5- tensioning wheel, 6- mold, 7- temperature
Sensor, 8- laser controller, 9- laser head A, 10- laser head B.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of double light source temperature of laser assist carbon fiber prepreg laying device, including pressure roller 1, platen pressure
Control motor 2, blowing belt wheel 3, feed roller 4, tensioning wheel 5, mold 6, temperature sensor 7, laser controller 8, laser head A9 and
Laser head B10, the pressure roller 1 is connect with platen pressure control motor 2, and pressure roller 1 is contacted with the end of 6 direction of advance of mold,
Carbon fiber prepreg on the blowing belt wheel 3 introduces the bounding point on mold 6 by the effect of tensioning wheel 5 and feed roller 4；Institute
It states laser controller 8 and is separately connected temperature sensor 7, laser head A9 and laser head B10, the measurement end of the temperature sensor 7
It is placed at bounding point.
As shown in Fig. 2, the laser direction of laser head B is irradiated towards the prepreg band between feed roller 4 and pressure roller 1, to pre-
Leaching material strip is preheated, and laser head A9 is irradiated towards the compacting carbon fiber prepreg and mold 6 for compressing region, to mold 6
It pre-tightens material with compacting carbon fiber to be evenly heated, laser head A9 is again heated to preheated prepreg band the temperature of laying needs
Degree is to pre-tighten material bonding for carbon fiber and be fastened on 6 surface of mold.Simultaneously.Due to existing at laser head A9 heating bonding region
Heating dead angle will form a non-heating region, at this point, laser head B10 can eliminate this in preheating carbon fibre initial rinse material strip
Region, and the mold 6 in Fig. 2 is cylinder, is to carry out horizontal movement with wavy wedge-shaped platform in Fig. 1.
Double laser light source uses the main and auxiliary light source of different capacity, and laser head A is main light source laser head, and laser controller 8 is controlled
Laser head A9 and laser head B10 processed, make the maximum power 2000W of the laser head output beam of primary light source A, the laser head B10 be
Secondary light source, the maximum power 1000W of secondary light source laser head output beam.Since Gaussian beam central energy is high, will lead to
Non-uniform temperature when heating, using beam shaping system shown in Fig. 3, by Fresnel Lenses and cylindrical lens Gaussian beam
It is shaped as uniform rectangular light beam, according to different carbon fiber prepreg width, the defocusing amount that can adjust laser head meets difference
Width demand.
Temperature sensor 7 can temperature at discontiguous measurement bounding point, and the temperature data of acquisition is transmitted to sharp
Optical controller 8, laser controller 8 can control bidifly shaven head fast and accurately opening and closing, and adjust laser head
Output power.The adjustment of laser head power relies on a set of closed-loop temperature feedback control system, is completed by laser controller 8, institute
Single-chip microcontroller can be selected by stating laser controller 8, by entire temperature feedback closed-loop control system by being programmed into laser controller
8, to realize closed-loop control.Temperature sensor 7 can measure the temperature at bounding point, and the measurement temperature is as input laser controlling
The parameter of device 8, laser controller 8 adjust the parameters of laser head according to temperature parameter, and laser head can be in its fixing axle
Upper movement, rotation, to adjust laser beam point of irradiation, to realize best laying temperature control.The control precision of laser controller 8
Depending on multiple parameters, according to experimental study, using unitary variant method, the jail that laying bonds under different laser powers is measured
Gu whether degree and carbon fiber prepreg ablation situation occur, to judge laying quality.Experimental result is as decision laser head
The foundation of state modulator is input in the laser controller 8 of laser head, and decision laser during laying of laser controller 8 is joined
Number realizes laying optimal quality by this feedback.
Pressure roller size can be replaced, and laser head A9, laser head B10 and temperature sensor 7 and pressure roller 1 have follow-up action,
And pressure roller can be rotated around its axis in process, mold 6 is fed forward, i.e. guarantee mold 6 and compacting carbon fiber pre-tightens material
It can be heated by continuous uniform.
Specific process the following steps are included:
Step 1, required laying mold polish, clean and dry, and are the basis for guaranteeing laying quality, smooth table
Face may insure to be not in be mingled with and gap；
Step 2, will carbon fiber prepreg be compressed first guided by tensioning wheel 5 and feed roller 4 it is processed to step 1
The edge of mold, it should be ensured that compacting carbon fiber prepreg has certain pretightning force, to guarantee prepreg band pine during laying
Interlayer caused by relaxation, is then compressed from mould ends again；
Step 3 adjusts the initial position of two laser head A9, laser head B10 and temperature sensor 7, makes laser beam point
It is not radiated at region compacted around at prepreg band and bounding point between feed roller 4 and pressure roller 1, and adjusts temperature sensor
7 measurement points are at bounding point；
Step 4 first starts controller and opens laser head A9 and laser head B10, first adds to mold 6 and carbon fiber prepreg
Heat, mold are fed according to direction of feed with certain speed, and pressure roller starts to carry out between compacting carbon fiber prepreg and mold
Laying operation.
Step 5, when first layer is routed to end, cutting prepreg band, mold returns to initial position, and first layer is laid with
It completes.
When starting to be laid with second layer carbon fiber prepreg, mold at this time is the plate with one layer of carbon fiber prepreg
Material, and at the end of first layer is laid with, there is certain residual temperature on surface, so primary light source power will have when being laid with the second layer
It is reduced, prevents the first layer carbon fiber prepreg on ablation mold, until being laid with band workpiece required thickness.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Above embodiments are merely to illustrate design philosophy and feature of the invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
It is within the scope of the present invention according to equivalent variations made by disclosed principle, mentality of designing or modification.
Claims (7)
1. a kind of double light source temperature of laser assist carbon fiber prepreg laying device, which is characterized in that including pressure roller (1), pressure roller pressure
Power controls motor (2), blowing belt wheel (3), feed roller (4), tensioning wheel (5), mold (6), temperature sensor (7), laser controlling
Device (8), laser head A (9) and laser head B (10), the pressure roller (1) connect with platen pressure control motor (2), and pressure roller (1)
It is contacted with mold (6), contact portion is bounding point, and the carbon fiber prepreg on the blowing belt wheel (3) is by tensioning wheel (5) and send
The effect of belt wheel (4) is guided to the bounding point on mold (6)；The laser controller (8) be separately connected temperature sensor (7),
The measurement end of laser head A (9) and laser head B (10), the temperature sensor (7) are placed at bounding point.
2. a kind of double light source temperature of laser according to claim 1 assist carbon fiber prepreg laying device, which is characterized in that
The laser direction of the laser head B (10) is irradiated towards the prepreg band between feed roller (4) and pressure roller (1), laser head A (9)
Towards compacting carbon fiber prepreg and mold (6) irradiation for compressing region.
3. a kind of double light source temperature of laser according to claim 2 assist carbon fiber prepreg laying device, which is characterized in that
Beam shaping is set inside the laser head of the laser head A (9) and laser head B (10), and the beam shaping is by Fresnel
Lens and cylindrical lens composition, obtain rectangular light beam for the laser beam shaping of laser head A (9) and laser head B (10).
4. a kind of double light source temperature of laser according to claim 3 assist carbon fiber prepreg laying device, which is characterized in that
Watt level required for laser controller (8) control laser head A (9) and laser head B (10) are generated.
5. a kind of double light source temperature of laser according to claim 1 assist carbon fiber prepreg laying device, which is characterized in that
The laser head A (9), laser head B (10) and temperature sensor (7) are whole as the movement of mold (6) is adjusted automatically with pressure roller (1)
Section, so that mold (6) and compacting carbon fiber pre-tighten material can be heated by continuous uniform.
6. a kind of double light source temperature of laser according to claim 1 assist carbon fiber prepreg laying device, which is characterized in that
Mold (6) shape is selected according to workpieces processing shape.
7. a kind of laying method of the double light source temperature auxiliary carbon fiber prepreg laying devices of laser as described in claim 1,
It is characterized in that, comprising the following steps:
Step 1, mold (6) is processed, guarantees mold (6) any surface finish, coat release agent；
Step 2, carbon fiber prepreg to be compressed first is guided by tensioning wheel (5) and feed roller (4) to processed mold (6)
Bounding point guarantee that carbon fiber prepreg keeps tight shape by pressure roller (1) to carbon fiber prepreg pre-pressing；
Step 3, the initial position for adjusting two laser head A (9), laser head B (10) and temperature sensor (7), makes laser beam
The prepreg band being radiated between region compacted around at bounding point, feed roller (4) and pressure roller (1) respectively, and adjust temperature
Sensor (7) measurement point is at bounding point；
Step 4, laser head A (9) and laser head B (10) are opened in first starting laser controller (8), pre- to mold (6) and carbon fiber
Leaching material first heats, and restarts platen pressure control motor (2), pressure roller (1) start compacting carbon fiber prepreg and mold it
Between carry out laying operation；
Step 5, it is finished to first layer laying, closes platen pressure control motor (2), simultaneously close off laser head A (9) and laser head
B (10) repeats above-mentioned steps and is laid with the second layer；
Step 6, it is to be laid to workpiece manufacture require thickness when, close whole device, demoulding when being cooled to certain temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810947805.5A CN109049754A (en) | 2018-08-20 | 2018-08-20 | A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser |
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| CN201810947805.5A CN109049754A (en) | 2018-08-20 | 2018-08-20 | A kind of double light source temperature auxiliary carbon fiber prepreg laying device and methods of laser |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619057A (en) * | 2020-05-27 | 2020-09-04 | 大连理工大学 | Laser-assisted in-situ forming method for thermoplastic composite material dot matrix sandwich structure |
| CN111619138A (en) * | 2020-05-27 | 2020-09-04 | 大连理工大学 | Rebound deformation inhibiting method for laser-assisted in-situ forming thermoplastic composite material structural member |
| CN114272852A (en) * | 2021-12-30 | 2022-04-05 | 郑立 | Carbon fiber reinforced high-temperature high-pressure reaction container and processing method thereof |
| CN114594811A (en) * | 2020-12-03 | 2022-06-07 | 上海飞机制造有限公司 | Temperature adjusting method, device, equipment and storage medium in material laying process |
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| CN114594811A (en) * | 2020-12-03 | 2022-06-07 | 上海飞机制造有限公司 | Temperature adjusting method, device, equipment and storage medium in material laying process |
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| CN114272852A (en) * | 2021-12-30 | 2022-04-05 | 郑立 | Carbon fiber reinforced high-temperature high-pressure reaction container and processing method thereof |
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Application publication date: 20181221 |