CN108622408A - PVC-gel method for manufacturing thin film and PVC-gel film flapping flights mechanism and preparation method thereof - Google Patents
PVC-gel method for manufacturing thin film and PVC-gel film flapping flights mechanism and preparation method thereof Download PDFInfo
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- CN108622408A CN108622408A CN201810456190.6A CN201810456190A CN108622408A CN 108622408 A CN108622408 A CN 108622408A CN 201810456190 A CN201810456190 A CN 201810456190A CN 108622408 A CN108622408 A CN 108622408A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C33/00—Ornithopters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C33/00—Ornithopters
- B64C33/02—Wings; Actuating mechanisms therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- Manufacturing & Machinery (AREA)
- Aviation & Aerospace Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of PVC gel method for manufacturing thin film and PVC gel film flapping flights mechanism and preparation method thereof, including flapping wing wing and silicon rubber skeleton, flapping wing wing is made of PVC gel films, the upper and lower of PVC gel films is correspondingly arranged on anode and cathode, PVC gel films, which run through to be arranged on silicon rubber skeleton, constitutes Computation of Flexible Flapping-Wing aviation mechanism, by instigating frequency to positive and cathode application square-wave voltage adjusting flapping wing wing.The configuration of the present invention is simple, controllability are strong, controllably instigate frequency, by instigating frequency to positive and cathode application square-wave voltage adjusting flapping wing wing, do not generate noise substantially in power-up procedures.
Description
Technical field
The invention belongs to increases material manufacturing technology fields, and in particular to one kind based on PVC-gel films, send out in the electric field by creep
Computation of Flexible Flapping-Wing aviation mechanism of raw flexural deformation principle and preparation method thereof and the method for preparing PVC-gel films.
Background technology
Flapping wing is a kind of imitation birds and insect flying, the course of new aircraft type manufactured and designed based on bionics principle
Important feature.Flapping flight mechanism has the advantages that uniqueness compared with fixed-wing and rotor flying：As original place or small place are risen
Fly, fabulous flight maneuver and hovering performance and flight are low-cost, can be carried out with the energy of very little over long distances
Flight, therefore be more suitable for supplementing in long-time energy free and execute task under the conditions of remote.California Institute of Technology and Aero
" Microbat " micro flapping wing air vehicle that the units such as Vironment companies are developed jointly is earliest Minitype electric flapping flight
Device, it is a kind of micro flapping wing air vehicle of bionical flying method, and the shape of its wing is to imitate the wing of insect, uses micro computer
Electric system MEMS (Micro Electro Mechanical System) technology manufactures.The Delft universities of Holland grind
" Delfly " micro flapping wing air vehicle of system, its appearance look like an anax parthenope, wing combined by two pairs of wings and
At quality 17g has X wing structures and vee tail, can freely clear the jumps and be flown slowly.But current flapping wing flies
The driving of row mechanism needs corresponding complex equipment substantially by electric or pneumatic driving.
Invention content
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of structure letter
It is single, controllability is strong, the controllable flapping flight mechanism for instigating frequency and PVC-gel method for manufacturing thin film and thin based on PVC-gel
The preparation method of film flapping flight mechanism.
The present invention uses following technical scheme：
A kind of flapping flight mechanism based on PVC-gel films, including flapping wing wing and silicon rubber skeleton, flapping wing wing are adopted
It is made of PVC-gel films, the upper and lower of PVC-gel films is correspondingly arranged on anode and cathode, and PVC-gel films exist through setting
Computation of Flexible Flapping-Wing aviation mechanism is constituted on silicon rubber skeleton, is incited by applying square-wave voltage adjusting flapping wing wing to anode and cathode
Dynamic frequency.
Specifically, just extremely gold belongs to Be pieces, cathode is carbon nano-tube film and identical as PVC-gel thin film shapes.
Further, the shape of PVC-gel films is streamlined strip.
Further, the thickness of Jin Shu Be pieces is 100~500 μm, and the thickness of carbon nano-tube film is 20~50 μm.
Specifically, the thickness of PVC-gel films is 200~600 μm.
Specifically, the frequency of square-wave voltage is 1~20Hz, voltage is 0~500V.
A kind of preparation method based on PVC-gel film flapping flights mechanism, includes the following steps：
S1, Qie cut Jin Shu Be pieces as anode；
Cathode is made in S2, cutting carbon nano-tube film；
S3, prepare PVC solution PVC-gel films be made by 3D printing technique, using flexible material by 3D printing or
It pours and silicon rubber skeleton is made；
Gold prepared by PVC-gel films and step S1 prepared by S4, carbon nano-tube film prepared by step S2, step S3
The PVC solution that Shu Be pieces are prepared by step S3, which bonds together, constitutes flapping wing wing, is packed into silicon rubber bone prepared by step S3
Computation of Flexible Flapping-Wing aviation mechanism is made on frame.
Specifically, in step S4, preparing PVC solution is specially：
Using polyvinyl chloride, adipic acid fourth diester and tetrahydrofuran as raw material；Adipic acid fourth diester and tetrahydrofuran press quality
Than 1：(2~4) it is uniformly mixed, is then added polyvinyl chloride particles, the mass ratio of polyvinyl chloride and adipic acid fourth diester is 1：(1
~4) it, is then mixed through 1~2h of magnetic agitation, until polyvinyl chloride particles fully dissolving and evenly dispersed are made in mixed solution
PVC solution.
The invention also discloses a kind of preparation methods of PVC-gel films, with polyvinyl chloride, adipic acid fourth diester, tetrahydrochysene
Furans is that raw material is mixed and made into viscous solution, and PVC-gel films are made using direct write 3D printing technique or pouring technique.
Specifically, the mass ratio of polyvinyl chloride and adipic acid fourth diester is 1:(1~4)；Adipic acid fourth diester and tetrahydrochysene furan
The mass ratio muttered is 1:Viscous solution is made in (2~4), 1~2h of magnetic agitation.
Compared with prior art, the present invention at least has the advantages that：
Anode is respectively set in a kind of flapping flight mechanism based on PVC-gel films of the present invention, upper and lower in flapping wing wing
And cathode, flapping wing wing is through composition Computation of Flexible Flapping-Wing aviation mechanism is arranged on silicon rubber skeleton 4, by applying to positive and negative electrode
The square-wave voltage of certain frequency causes PVC-gel films instigating back and forth between positive and negative anodes, changes the frequency of square-wave voltage,
Flapping wing wing can be changed instigates frequency, does not generate noise substantially in power-up procedures.
Further, anode uses Jin Shu Be pieces, cathode to use carbon nano-tube film, and carbon nano-tube film is more soft,
Can and PVC-gel films preferably bond together, have the characteristics that size is small, noise is weak, flexibility is strong,.
Further, anode uses Jin Shu Be pieces, cathode to use carbon nano-tube film, and carbon nano-tube film is more soft,
It can preferably bond together with PVC-gel films, such carbon nano-tube film can be instigated with instigating for PVC-gel,
It can ensure that the strong electric between positive and negative pole material acts on always on PVC-gel films.
Further, the thickness of Jin Shu Be pieces is 100~500 μm, mitigates construction weight, carbon nano-tube film as far as possible
Tens microns of thickness can ensure PVC-gel films in bending change so preferably and together with PVC-gel film bonds
During shape, it can also be among stronger electric field.
The invention also discloses a kind of preparation methods based on PVC-gel film flapping flights mechanism, pass through what is set
Program cuts positive electrode Bu rust steel Jin Shu Be pieces；Cathode carbon nano-tube film is made in cutting；Distinguished by 3D printing technique
Printing prepares PVC-gel films and silicon rubber skeleton；PVC solution is prepared, the carbon nano-tube film of preparation and PVC-gel is thin
Film, Jin Shu Be pieces, which bond together, constitutes flapping wing wing, is packed into silicon rubber skeleton and Computation of Flexible Flapping-Wing aviation mechanism, structure letter is made
It is single, it is not required to Complex Assembly.
Further, the mass ratio of polyvinyl chloride (PVC) and adipic acid fourth diester (DBA) is 1：(1~4)；Adipic acid fourth
The mass ratio of diester (DBA) and tetrahydrofuran (THF) is 1：(2~4), by polyvinyl chloride, adipic acid fourth diester, tetrahydrofuran
Mixing forms solution, and the solution being configured to can be used in the printing of 3D direct writes, can print specific shape and quick
Curing molding.
The invention also discloses a kind of PVC-gel method for manufacturing thin film, with polyvinyl chloride, adipic acid fourth diester, tetrahydrochysene furan
It mutters and is mixed and made into viscous solution for raw material, PVC-gel films, 3D printing is made using direct write 3D printing technique or pouring technique
PVC-gel films can be with the fixed shape of rapid shaping.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
Fig. 1 is PVC gel film bends deformation principle figures, wherein (a) is PVC-gel filminesses when being not powered on pressure,
(b) be plus DC voltage after, PVC-gel occurs bending and deformation to anode；
Fig. 2 is PVC gel flapping wings structure of the present invention and positive and negative pole material schematic diagram；
Fig. 3 is that the present invention is based on the schematic diagrames of the flapping flight mechanism of the electroluminescent principles that buckle of PVC gel；
Fig. 4 is that 300 microns of thickness PVC-gel films instigate frequency with electric voltage frequency variation relation figure.
Wherein：1. gold medal Shu Be pieces；2.PVC-gel films；3. carbon nano-tube film；4. silicon rubber skeleton.
Specific implementation mode
In the description of the present invention, it is to be understood that, term "upper", "lower", "vertical", "horizontal", "inner", "outside",
The orientation or positional relationship of the instructions such as " side ", " one end ", " one side " is to be based on the orientation or positional relationship shown in the drawings, and is only
For convenience of description of the present invention and simplification of the description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, the present invention provides the Computation of Flexible Flapping-Wing aviation mechanisms based on PVC-gel films, according to PVC-gel's
Under the square-wave voltage of different frequency flapping wing wing can generate and different instigate frequency for the electroluminescent principle that buckles.By this spy
Property be applied to flapping wing aircraft field.
It is made using PVC-gel films or silicon rubber as the PVC-gel wings of raw material using 3D printing technique；By PVC-gel
Wing, carbon nano-tube film flexibility negative material, Jin Shu Be pieces positive electrodes and silicon rubber skeleton composition, by positive and negative
What pole applied that the square-wave voltage of different frequency can adjust PVC-gel wings instigates frequency.
Referring to Fig. 3, a kind of Computation of Flexible Flapping-Wing aviation mechanism based on PVC-gel films of the present invention, including flapping wing wing, just
Negative electrode material and silicon rubber skeleton 4, positive electrode are Jin Shu Be pieces 1, and thickness is 100~400 μm；Negative material is carbon nanometer
Pipe film 3, thickness are 20~50 μm.Flapping wing wing is prepared using PVC-gel films 2, and the thickness of PVC-gel films 2 is
200~600 μm, PVC-gel films 2 are identical as 3 shape of carbon nano-tube film, and setting Jin Shu Be pieces 1 and carbon nanotube are thin
Between film 3, Jin Shu Be pieces 1 are located at 2 top of PVC-gel films, and carbon nano-tube film 3 is located at 2 lower part of PVC-gel films, silicon rubber
Through-hole is provided on glue skeleton 4, Jin Shu Be pieces 1, PVC-gel films 2 and carbon nano-tube film 3 are through setting in silicon rubber skeleton 4
Upper composition Computation of Flexible Flapping-Wing aviation mechanism.
The shape of PVC-gel films 2 is streamlined strip, and PVC-gel films 2 are Nian Jie with carbon nano-tube film 3 at one
Body formula structure.
Apply the square-wave voltage that frequency is 1~20Hz, 0~400V of voltage, PVC-gel to the positive and negative anodes of flapping flight mechanism
Film 2 can be quickly bent to anode, be removed after voltage because of natural resiliency, and can quickly revert to reset condition.Through surveying
The flapping wing of examination, mechanism design can follow the frequency of square-wave voltage to instigate up and down.
PVC-gel films 2 are prepared as follows：With polyvinyl chloride (PVC), adipic acid fourth diester (DBA) and tetrahydrofuran
(THF) it is that raw material is mixed into viscous solution, PVC according to following mass ratio：DBA=1:(1~4), DBA:THF=1:(2~4),
The PVC-gel films 2 of 200~600 μm of thickness are made using direct write 3D printing technique or pouring technique.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
Applying the component of example can be arranged and be designed by a variety of different configurations.Therefore, the present invention to providing in the accompanying drawings below
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of the selected of the present invention
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig. 2 and Fig. 3, a kind of manufacturing process of the Computation of Flexible Flapping-Wing aviation mechanism based on PVC-gel films of the present invention
It is as follows：
S1, the program cutting positive electrode Bu rust steel Jin Shu Be pieces 1 according to the setting of the mould shapes of modeling；
Jin Shu Be pieces 1 are identical as the middle section shapes and sizes of PVC-gel films, for covering PVC-gel films.
S2, cutting obtain cathode carbon nano-tube film 3；
The shape of carbon nano-tube film 3 is consistent with the shape of PVC-gel films, so that the two can bond together.
S3, prepare PVC solution PVC-gel films 2 be made by 3D printing technique, using flexible material by 3D printing or
It pours and silicon rubber skeleton 4 is made, PVC-gel films are printed as strip；
S4, PVC solution is prepared, cathode carbon nano-tube film 3 and PVC-gel films 2 is bonded together, it can be with
It the bending of PVC-gel films and is bent.
With polyvinyl chloride (PVC), adipic acid fourth diester (DBA), tetrahydrofuran (THF) for raw material；According to tetrahydrofuran
(THF) be uniformly mixed according to certain mass ratio with adipic acid fourth diester (DBA), then by polyvinyl chloride (PVC) particle according to
Certain mass ratio is dissolved in wherein, and magnetic agitation 1-2h is uniformly mixed, until PVC granule dissolves in mixed solution and uniformly divides
It dissipates.
Referring to Fig. 4, according to experiment data measured it is found that PVC-gel is instigated under the 500v square-wave voltages of different frequency
Frequency can change with the change of the electric voltage frequency of frequency, and highest instigates frequency that can reach 15Hz, promoting menstruation it is demonstrated experimentally that
The square-wave voltage for applying different frequency to the positive and negative electrode of Computation of Flexible Flapping-Wing aviation mechanism is crossed, controllability is good.
The above content is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within claims of the present invention
Protection domain within.
Claims (10)
1. a kind of flapping flight mechanism based on PVC-gel films, which is characterized in that including flapping wing wing and silicon rubber skeleton
(4), flapping wing wing is made of PVC-gel films (2), and the upper and lower of PVC-gel films (2) is correspondingly arranged on anode and cathode,
PVC-gel films (2) are through composition Computation of Flexible Flapping-Wing aviation mechanism is arranged on silicon rubber skeleton (4), by anode and cathode
Apply square-wave voltage adjusting flapping wing wing instigates frequency.
2. a kind of flapping flight mechanism based on PVC-gel films according to claim 1, which is characterized in that just extremely
Jin Shu Be pieces (1), cathode are carbon nano-tube film (3) and identical as PVC-gel films (2) shape.
3. a kind of flapping flight mechanism based on PVC-gel films according to claim 1 or 2, which is characterized in that PVC-
The shape of gel films (2) is streamlined strip.
4. a kind of flapping flight mechanism based on PVC-gel films according to claim 2, which is characterized in that Jin Shu Be
The thickness of piece (1) is 100~500 μm, and the thickness of carbon nano-tube film (3) is 20~50 μm.
5. a kind of flapping flight mechanism based on PVC-gel films according to claim 1, which is characterized in that PVC-gel
The thickness of film (2) is 200~600 μm.
6. a kind of flapping flight mechanism based on PVC-gel films according to claim 1, which is characterized in that square wave electricity
The frequency of pressure is 1~20Hz, and voltage is 0~500V.
7. a kind of method prepared based on PVC-gel film flapping flights mechanism described in any one of claim 1 to 6, special
Sign is, includes the following steps：
S1, Qie cut Jin Shu Be pieces (1) as anode；
Cathode is made in S2, cutting carbon nano-tube film (3)；
PVC-gel films (2) are made by 3D printing technique in S3, preparation PVC solution, by 3D printing or are poured using flexible material
It builds and silicon rubber skeleton (4) is made；
Prepared by PVC-gel films (2) and step S1 prepared by S4, carbon nano-tube film (3) prepared by step S2, step S3
The PVC solution that Jin Shu Be pieces (1) are prepared by step S3, which bonds together, constitutes flapping wing wing, is packed into silicon rubber prepared by step S3
Computation of Flexible Flapping-Wing aviation mechanism is made on (4) in glue skeleton.
8. a kind of preparation method based on PVC-gel film flapping flights mechanism according to claim 7, feature exist
In in step S4, preparing PVC solution is specially：
Using polyvinyl chloride, adipic acid fourth diester and tetrahydrofuran as raw material；Adipic acid fourth diester and tetrahydrofuran in mass ratio 1：
(2~4) it is uniformly mixed, is then added polyvinyl chloride particles, the mass ratio of polyvinyl chloride and adipic acid fourth diester is 1：(1~4),
Then it is mixed through 1~2h of magnetic agitation, until polyvinyl chloride particles fully dissolving and evenly dispersed that PVC is made is molten in mixed solution
Liquid.
9. a kind of preparation method of PVC-gel films, which is characterized in that be with polyvinyl chloride, adipic acid fourth diester, tetrahydrofuran
Raw material is mixed and made into viscous solution, and PVC-gel films (2) are made using direct write 3D printing technique or pouring technique.
10. a kind of PVC-gel method for manufacturing thin film according to claim 9, which is characterized in that polyvinyl chloride and adipic acid
The mass ratio of fourth diester is 1:(1~4)；The mass ratio of adipic acid fourth diester and tetrahydrofuran is 1:(2~4), magnetic agitation 1~
Viscous solution is made in 2h.
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| CN201810456190.6A CN108622408B (en) | 2018-05-14 | 2018-05-14 | Method for preparing flapping wing flight mechanism based on PVC-gel film |
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| CN201810456190.6A CN108622408B (en) | 2018-05-14 | 2018-05-14 | Method for preparing flapping wing flight mechanism based on PVC-gel film |
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| CN109795103A (en) * | 2019-01-15 | 2019-05-24 | 西安交通大学 | A kind of PVC-gel artificial-muscle integration Method of printing |
| CN111498072A (en) * | 2020-04-23 | 2020-08-07 | 河海大学 | Deformable bionic fish fin structure and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108622408B (en) | 2020-10-27 |
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