CN113731324A - Device and method for preparing flexible electronic functional layer under multi-composite field - Google Patents

Device and method for preparing flexible electronic functional layer under multi-composite field Download PDF

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Publication number
CN113731324A
CN113731324A CN202110904183.XA CN202110904183A CN113731324A CN 113731324 A CN113731324 A CN 113731324A CN 202110904183 A CN202110904183 A CN 202110904183A CN 113731324 A CN113731324 A CN 113731324A
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CN
China
Prior art keywords
heating cavity
motor
barrel
scraper
functional layer
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Withdrawn
Application number
CN202110904183.XA
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Chinese (zh)
Inventor
安宁丽
方长青
王权岱
郭嘉鹏
理莎莎
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Xian University of Technology
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Xian University of Technology
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Priority to CN202110904183.XA priority Critical patent/CN113731324A/en
Publication of CN113731324A publication Critical patent/CN113731324A/en
Priority to CN202210946882.5A priority patent/CN115364792A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/28Moving reactors, e.g. rotary drums
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells

Abstract

The invention relates to the technical field of flexible electronic functional layer preparation, in particular to a device for preparing a flexible electronic functional layer under a multi-composite field. The invention also relates to a preparation method of the flexible electronic functional layer under the multi-composite field, which can realize dynamic regulation and control in the preparation process of the functional film through global regulation and control of the composite force field and local regulation and control of the electric field and the magnetic field, thereby realizing large-scale and uniform preparation of the flexible electronic functional layer.

Description

Device and method for preparing flexible electronic functional layer under multi-composite field
Technical Field
The invention relates to the technical field of flexible electronic preparation, in particular to a device and a method for preparing a flexible electronic functional layer under a multi-composite field.
Background
The distribution structure of the nano particles in the composite material in the polymer and the material micro-pattern structure can regulate and control the physical property and the mechanical property of the material, and excellent intelligent materials can be obtained by regulating and controlling the body phase localization and the directional arrangement of different low-dimensional nano particle materials in the functional polymer.
The external field control composite material multi-scale micro-nano structure is an important way for realizing simultaneous dynamic adjustment of material patterning and functions, the distribution control of nano particles in a polymer can be realized by means of an external heating field, an electric field, a magnetic field and the like at present, but the simultaneous dynamic adjustment of material patterning and functions cannot be realized, and an effective method and an effective device are urgently needed for realizing the uniformity and the dynamic adjustment of the structural performance of an intelligent composite material.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for preparing a flexible electronic functional layer under a multi-composite field, which overcome structural resistance by increasing a macroscopic force field, accurately control a local force field and solve the technical problem of realizing large-scale and uniform dynamic regulation and control preparation of a composite functional material in the prior art.
The invention is realized by the following technical scheme:
a device for preparing a flexible electronic functional layer under a multi-composite field comprises a bottom plate, a first rotating unit, a second rotating unit, a magnetic field generating unit, an electric field generating unit and a thermal field generating unit;
the first rotating unit comprises a first motor and a heating cavity, an output shaft of the first motor is parallel to the surface of the bottom plate, the first motor is arranged on the bottom plate, and the output shaft of the first motor is connected with the heating cavity; the heating cavity is cylindrical, the axis of the heating cavity is coaxial with the axis of the first motor, and the opening of the heating cavity is positioned on one side opposite to the first motor; a coaxial built-in barrel is arranged in the heating cavity;
the second rotating unit comprises a second motor and a scraper, the second motor is arranged on one side of the bottom plate opposite to the first motor, the second motor and the first motor are coaxially arranged, and an output shaft of the second motor is coaxially connected with the scraper; one end of the scraping plate, which is far away from the second motor, extends into the built-in barrel;
the magnetic field generating unit comprises two electromagnets, the two electromagnets are symmetrically arranged at intervals by taking the axis of the heating cavity as a symmetry axis, and the heating cavity is positioned between the two electromagnets;
the electric field generating unit comprises a lead, a first electric slip ring and a second electric slip ring, the first electric slip ring is connected with the heating cavity, and the second electric slip ring is connected with the scraper; one end of the lead is connected with the first electric slip ring, and the other end of the lead is connected with the second electric slip ring; the first electric slip ring and the second electric slip ring are used for being connected with an external power supply;
the thermal field generating unit is a heating wire which is arranged on the inner wall of the heating cavity.
Preferably, the inner wall of the heating cavity is double-layer, and the heating wire is arranged between the double-layer structures of the heating cavity. The double-layer heating cavity can store heat generated by the heating wires, so that heat loss is reduced, and the maintenance of a thermal field is facilitated.
Preferably, a sealing plate is arranged at an opening of the heating cavity and connected with the heating cavity. The sealing plate can limit the built-in barrel in the heating cavity, so that the connection stability of the built-in barrel and the heating cavity is enhanced, the sealing performance of the heating cavity is improved, and the phenomenon that functional materials fall from the built-in barrel in the preparation process is reduced; the stability of heating cavity when also can promoting to rotate reduces system error.
Preferably, the built-in barrel comprises a barrel body and a barrel cover, the opening of the barrel body and the opening of the heating cavity are positioned on the same side, the barrel body and the barrel cover are detachably connected, and the barrel cover and the sealing plate are detachably connected. The barrel cover is connected with the sealing plate, so that the connection between the heating cavity and the built-in barrel can be further enhanced, the connection stability between the built-in barrel and the heating cavity can be improved, the synchronism between the heating cavity and the built-in barrel during rotation can be enhanced, and the stability of the functional material during spin coating is improved.
Preferably, the scraping plate comprises a scraping rod and a plurality of scrapers, one end of the scraping rod is connected with the output shaft of the second motor, and the other end of the scraping rod penetrates through the barrel cover and extends into the barrel body; a plurality of scrapers set up along scraping pole circumference interval, and the one end of scraper can be dismantled with scraping the pole and be connected, the other end and ladle body inner wall contact. The detachable scraper is convenient for carrying out the change of scraper to can carry out the change of different scrapers according to the type of preparation polymer film, promote preparation facilities's use flexibility and suitability.
Preferably, the scraper is made of a flexible material. The scraper made of flexible materials can reduce the damage of the scraper to the inner wall of the barrel body.
Preferably, still be equipped with the detachable template in the ladle body, the template includes mount and movable mould board, is equipped with the figure of different shapes on the movable mould board, and the mount can be dismantled with the ladle body inner wall and be connected, and the movable mould board is connected with the mount. The template is arranged to facilitate the preparation of polymer films with different shapes, and the practical flexibility and adaptability of the preparation device are further improved.
Preferably, the bottom plate below is provided with the adjustment unit, the adjustment unit includes mounting panel and push rod, and the mounting panel sets up in the bottom plate below, and one side that the bottom plate is close to first motor is articulated with the mounting panel, and the push rod sets up in one side that the mounting panel is relative with the articulated shaft, the one end and the mounting panel fixed connection of push rod, and the other end is articulated with the bottom plate.
The adjustment unit can adjust the preparation angle of polymer film, during the use, the expansion end of push rod is released, it rotates around the articulated shaft to drive the bottom plate, make the bottom plate be close to one side of second motor and keep away from the mounting panel, the angle between bottom plate and the mounting panel has been changed, the bottom plate drives the heating cavity and rotates in step, thereby can adjust the angle of heating cavity, and then realized the adjustment to the preparation angle of polymer film, further promoted preparation facilities's use flexibility and adaptability.
A method for preparing a flexible electronic functional layer under a multi-composite field comprises the following steps:
s1, placing the functional material in the built-in barrel according to the production requirement, and assembling the built-in barrel, the heating cavity and the scraper;
s2, driving the heating cavity and the built-in barrel to synchronously rotate by using the first motor, and performing spin coating;
s3, driving the scraper to rotate in the built-in barrel by using a second motor for uniform smearing;
s4, applying a magnetic field to the heating cavity by using the magnetic field generating unit;
s5, electrifying the electric field generating unit by using an external power supply, heating the thermal field generating unit by the electric field generating unit, and generating a thermal field; meanwhile, the electric field generating unit generates an electric field between the built-in barrel and the scraper blade, induces the distribution of functional materials, and prepares the flexible electronic functional layer.
Through the technical means, the invention has the following beneficial technical effects: the first motor drives the heating cavity to rotate, and the heating cavity drives the built-in barrel to rotate, so that spin coating of functional materials on the inner wall of the built-in barrel is achieved. The second motor drives the scraper blade to rotate, and the scraper blade contacts with the inner wall of the built-in barrel, so that the smearing uniformity of the functional materials on the inner wall of the built-in barrel can be improved.
The two electromagnets which are symmetrically arranged can generate magnetic fields; the first electric slip ring, the second electric slip ring and the conducting wire realize the connection of the heating cavity and the scraper, and an electric field can be formed between the heating cavity and the scraper after the first electric slip ring and the second electric slip ring are externally connected with a power supply; the heating wire is connected with the first electric slip ring through the heating cavity, and the heating wire can generate a thermal field, so that the functional material is simultaneously in a composite external field of a magnetic field, an electric field and the thermal field, the composite field enhances a macroscopic external field overcoming structural resistance, the distribution of the functional material can be regulated and controlled, and the preparation of the flexible electronic functional layer is facilitated.
Through regulation and control of an external power supply, the control of the local force field of the electric field and the thermal field can be realized, so that the distribution of the functional material can be further regulated and controlled, and the preparation of the flexible electronic layer is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a device for preparing a flexible electronic functional layer under a multi-composite field according to the present invention.
Fig. 2 is a front view of a device for preparing a flexible electronic functional layer under a multi-composite field according to the present invention.
Fig. 3 is a schematic partial structural diagram of a device for preparing a flexible electronic functional layer under a multi-composite field according to the present invention.
In the figure: 1. a base plate; 2. a first rotating unit; 202. a first motor; 203. heating the cavity; 3. a second rotating unit; 302. a second motor; 303. a squeegee; 3031. a scraping rod; 3032. a scraper; 4. a magnetic field generating unit; 5. an electric field generating unit; 6. a thermal field generating unit; 7. a first bracket; 8. a first coupling; 9. a barrel is arranged inside; 901. a barrel body; 902. a barrel cover; 10. a sealing plate; 11. felt; 12. a second coupling; 13. a template; 1301. a fixed mount; 1302. a movable template; 14. an adjustment unit; 1401. mounting a plate; 1402. a push rod; 15. a rotating assembly; 1501. a rotating shaft; 1502. a bearing seat; 16. a fixed seat; 17. a first bearing; 18. a second bearing; 19. a second bracket; 20. a first support base; 21. and a second support seat.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The invention discloses a device for preparing a flexible electronic functional layer under a multi-composite field, which comprises a bottom plate 1, a first rotating unit 2, a second rotating unit 3, a magnetic field generating unit 4, an electric field generating unit 5 and a thermal field generating unit 6, wherein the bottom plate is provided with a first rotating unit 2 and a second rotating unit 3; the first rotating unit 2 comprises a first supporting seat 20, a first motor 202 and a heating cavity 203, the first supporting seat 20 of the first motor 202 is connected to the bottom plate 1 through the first supporting seat 20, the first supporting seat 20 is connected with the bottom plate 1 through a bolt, an output shaft of the first motor 202 is parallel to the surface of the bottom plate 1, a shell of the first motor 202 is connected with the first supporting seat 20 through a bolt, and an output shaft of the first motor 202 extends into the first supporting seat 20. Be equipped with first support 7 between first supporting seat 20 and the heating cavity 203, first supporting seat 20 is run through to the one end of first support 7 to be connected through first shaft coupling 8 with the output shaft of first motor 202, first support 7 rotates with first supporting seat 20 through first bearing 17 to be connected, the other end and the heating cavity 203 of first support utilize the bolt to realize being connected.
The heating cavity is cylindrical, the axis of the heating cavity 203 is coaxial with the axis of the first motor 202, and the opening of the heating cavity 203 is located on the side opposite to the first motor 202. A coaxial built-in barrel 9 is arranged in the heating cavity 203, a sealing plate 10 is arranged at an opening of the heating cavity 203 through a bolt, and the sealing plate 10 can limit the built-in barrel 9 in the heating cavity 203, so that the sealing performance of the heating cavity 203 can be improved, and the phenomenon that functional materials fall from the built-in barrel 9 in the preparation process is reduced; the stability of the heating cavity 203 during rotation can be improved, and system errors are reduced.
Referring to fig. 3, the built-in tub 9 includes a tub body 901 and a tub cover 902, the tub body 901 and the tub cover 902 are detachably connected, an opening of the tub body 901 and an opening of the heating cavity 203 are located on the same side, the tub cover 902 and the sealing plate 10 are detachably connected, in this embodiment, the tub body 901 and the tub cover 902, the tub cover 902 and the sealing plate 10 are all connected by using bolts, or may be connected by threads, etc. The connection between the heating cavity 203 and the built-in barrel 9 can be further enhanced by connecting the barrel cover 902 with the sealing plate 10, and the synchronism between the heating cavity 203 and the built-in barrel 9 during rotation can be enhanced, so that the stability of the functional material during spin coating is improved.
Referring to fig. 3, felt 11 is further bonded to one side of the tub cover 902 close to the tub body 901. The felt 11 can improve the connection tightness of the barrel body 901 and the barrel cover 902, and the sealing performance of the built-in barrel 9 is improved.
Referring to fig. 1 and 2, the second rotating unit 3 includes a second support seat 21, a second motor 302 and a scraper 303, the second motor 302 is disposed on one side of the bottom plate 1 opposite to the first motor 202 through the second support seat 21, the second support seat 21 is bolted to the bottom plate 1, a housing of the second motor 302 is bolted to the second support seat 21, the first support seat 20 of the second support seat 21, the second motor 302 and the first motor 202 are coaxially disposed, and an output shaft of the second motor 302 penetrates through the second support seat 21 and is connected to the scraper 303.
The scraping plate 303 comprises a scraping rod 3031 and a plurality of scraping blades 3032, the scraping rod 3031 and the second motor 302 are coaxially arranged, one end of the scraping rod 3031 is connected with an output shaft of the second motor 302 through a second coupler 12, the barrel cover 902 is connected with a second bearing 18 through a screw, and one end of the scraping rod 3031, which is far away from the second motor, sequentially penetrates through the sealing plate 10 and the second bearing 18 on the barrel cover 902 and extends into the barrel 901.
The plurality of scrapers 3032 are arranged at intervals along the circumferential direction of the scraper 3031, one end of each scraper 3032 is detachably connected with the scraper 3031, in this embodiment, the scraper 3032 is connected with the scraper 3031 by a screw, the other end of the scraper 3032 is in contact with the inner wall of the barrel 901, and one end of the scraper 3032 close to the inner wall of the barrel 901 can be structurally changed according to different functional films, and can be in a brush shape or a knife assembly. The detachable scraper 3032 is convenient to replace the scraper 3032, so that different scrapers 3032 can be replaced according to the type of the prepared polymer film, and the use flexibility and the applicability of the preparation device are improved.
The scraper 3032 is made of a flexible material, and the scraper 3032 made of the flexible material can reduce damage to the inner wall of the barrel 901, and in this embodiment, the scraper 3032 is made of a silicone material, and may also be made of rubber or the like.
Referring to fig. 1, the magnetic field generating unit 4 is two electromagnets, the two electromagnets are symmetrically arranged at intervals with the axis of the heating cavity 203 as a symmetry axis, the electromagnets are connected to the base plate 1 through the second bracket 19, one end of the second bracket 19 is bolted to the base plate 1, the other end of the second bracket 19 is bolted to the electromagnets, and the heating cavity 203 is located between the two electromagnets. The two electromagnets generate magnetic fields, so that the functional materials in the heating cavity 203, the built-in barrel 9 and the built-in barrel 9 are in the magnetic fields, and the preparation of the functional materials in the magnetic fields is facilitated.
Referring to fig. 1, the electric field generating unit 5 includes a conductive wire, a first electrical slip ring connected to the heating chamber 203, and a second electrical slip ring connected to the scraper 303; one end of the lead is connected with the first electric slip ring, and the other end of the lead is connected with the second electric slip ring; the first electric slip ring and the second electric slip ring are used for being connected with an external power supply. In this embodiment, the first electrical slip ring is a positive electrode and is connected to the first support 7 by a screw, the second electrical slip ring is a negative electrode and is connected to the wiper rod 3031 by a screw, and after an external power supply is connected, an electric field is formed between the heating cavity 203 and the wiper rod 3031, which can assist in the preparation of the flexible electronic functional layer.
Referring to fig. 3, the thermal field generating unit 6 is a heating wire, the heating wire is disposed on the inner wall of the heating cavity 203, the heating cavity 203 is double-layered, and the heating wire is uniformly and densely disposed along the circumferential direction of the inner wall of the heating cavity 203 and located between the double-layered structures of the heating cavity 203. The heating wire is connected with the first electric slip ring through the heating cavity 203, and a thermal field can be generated after the heating wire is electrified, so that the functional material is in the thermal field, and the preparation of the high polymer film is conveniently carried out in the thermal field.
In order to facilitate the preparation of the flexible electronic functional layers with different shapes, a detachable template 13 is further arranged in the barrel 901, the template 13 comprises a fixed frame 1301 and a movable template 1302, the movable template 1302 is provided with figures with different shapes, the fixed frame 1301 is detachably connected with the inner wall of the barrel 901, the movable template 1302 is detachably connected with the fixed frame 1301, and in this embodiment, the fixed frame 1301 and the inner wall of the barrel 901, the fixed frame 1301 and the movable template 1302 are connected through bolts. The template 13 is arranged to facilitate the preparation of polymer films with different shapes, and the practical flexibility and adaptability of the preparation device are further improved.
Referring to fig. 1 and 2, an adjusting unit 14 is arranged below a bottom plate 1, the adjusting unit includes a mounting plate 1401 and a push rod 1402, the mounting plate 1401 is horizontally arranged, one side of the bottom plate 1, which is close to a first motor 202, is hinged to the mounting plate 1401 through a rotating assembly 15, the rotating assembly 15 includes two rotating shafts 1501 and two bearing seats 1502, the two bearing seats 1502 are arranged at intervals, the rotating shafts 1501 correspond to the bearing seats 1502 in a one-to-one manner, the bearing seats 1502 are connected between the bottom plate 1 and the mounting plate 1401 through screws, and the rotating shafts 1501 are rotatably connected to the bearing seats 1502 through bearings.
The push rod 1402 is vertically arranged on the mounting plate 1401, one end of the push rod 1402 is connected with the mounting plate 1401 through the fixing seat 16, the fixing seat 16 is in screw connection with the mounting plate 1401, and the shell of the push rod 1402 is in screw connection with the fixing seat 16. The other end of the push rod 1402 is hinged to the bottom plate 1 near the lower part of the second motor 302. The adjusting unit 14 can adjust the preparation angle of the polymer film, and the use flexibility and adaptability of the preparation device are further improved.
The specific implementation principle of the device for preparing the flexible electronic functional layer under the multi-composite field is as follows: firstly, the angle of the heating cavity 203 is adjusted by using an adjusting unit, and the adjusting method is as follows: during the use, the expansion end of push rod 1402 is released, drives bottom plate 1 and rotates around the articulated shaft for mounting panel 1401 has been kept away from to one side that bottom plate 1 is close to second motor 302, has changed the angle between bottom plate 1 and the mounting panel 1401, and bottom plate 1 drives heating chamber 203 and rotates in step, thereby can adjust heating chamber 203's angle.
Then, the first motor 202 is turned on, the output shaft of the first motor 202 drives the first support 7 to rotate, the first support 7 drives the heating cavity 203 to rotate, and the heating cavity 203 drives the built-in barrel 9 to synchronously rotate, so that the spin coating of the functional material on the inner wall of the built-in barrel 9 is realized.
Subsequently, the second motor 302 is turned on, the second motor 302 drives the scraper 3031 to rotate, the scraper 3031 drives the scraper 3032 to rotate inside the barrel 901, and the functional material is more uniformly coated on the movable template 1302, so that the required flexible electronic functional layer is prepared.
And finally, connecting an external power supply, so that the heating cavity 203 is positioned in the electric field and the thermal field, and the functional material is positioned in a composite field of the electric field, the thermal field and the magnetic field, thereby preparing the flexible electronic functional layer required to be distributed.
The device for preparing the flexible electronic functional layer under the multi-composite field enables the flexible electronic functional layer to be under the composite field of a magnetic field, an electric field and a thermal field, enhances the macroscopic external field of the functional material for overcoming the structural resistance, can prepare the flexible electronic functional layer in the composite field, can prepare the flexible electronic functional layer with different patterns according to the needs, and has the advantages of simple structure, convenience in operation, high flexibility and high practicability.
The invention also discloses a preparation method of the flexible electronic functional layer under the multi-composite field, which comprises the following steps:
s1, placing functional materials in the built-in barrel 9 according to production requirements, and assembling the built-in barrel 9, the heating cavity 203 and the scraper 303;
s2, driving the heating cavity 203 and the built-in barrel 9 to synchronously rotate by using the first motor 202, and carrying out spin coating;
s3, driving the scraper 303 to rotate in the built-in barrel 9 by using the second motor 302 for uniform smearing;
s4, applying a magnetic field to the heating chamber 203 by the magnetic field generating unit 4;
s5, energizing the electric field generating unit 5 with an external power supply, and heating the thermal field generating unit 6 with the electric field generating unit 5 to generate a thermal field; meanwhile, the electric field generating unit 5 generates an electric field between the built-in barrel 9 and the scraper 303 to induce the distribution of the functional material, so as to prepare the flexible electronic functional layer.
The method for preparing the flexible electronic functional layer under the multi-composite field can prepare the flexible electronic functional layer under the multi-composite field of the magnetic field, the electric field and the thermal field, and can realize dynamic regulation and control in the preparation process of the functional film through global regulation and control of the composite force field and local regulation and control of the electric field and the magnetic field, thereby realizing large-scale and uniform preparation of the flexible electronic functional layer.

Claims (9)

1. The device for preparing the flexible electronic functional layer under the multi-composite field is characterized by comprising a bottom plate (1), a first rotating unit (2), a second rotating unit (3), a magnetic field generating unit (4), an electric field generating unit (5) and a thermal field generating unit (6);
the first rotating unit (2) comprises a first motor (202) and a heating cavity (203), an output shaft of the first motor (202) is parallel to the surface of the base plate (1), the first motor (202) is arranged on the base plate (1), and an output shaft of the first motor (202) is connected with the heating cavity (203); the heating cavity (203) is cylindrical, the axis of the heating cavity (203) is coaxial with the axis of the first motor (202), and the opening of the heating cavity (203) is positioned on the side opposite to the first motor (202); a coaxial built-in barrel (9) is arranged in the heating cavity (203);
the second rotating unit (3) comprises a second motor (302) and a scraper (303), the second motor (302) is arranged on one side of the bottom plate (1) opposite to the first motor (202), the second motor (302) and the first motor (202) are coaxially arranged, and an output shaft of the second motor (302) is coaxially connected with the scraper (303); one end of the scraper (303) far away from the second motor (302) extends into the built-in barrel (9);
the magnetic field generating unit (4) is composed of two electromagnets, the two electromagnets are symmetrically arranged at intervals by taking the axis of the heating cavity (203) as a symmetry axis, and the heating cavity (203) is positioned between the two electromagnets;
the electric field generating unit (5) comprises a lead, a first electric slip ring and a second electric slip ring, the first electric slip ring is connected with the heating cavity (203), and the second electric slip ring is connected with the scraper (303); one end of the lead is connected with the first electric slip ring, and the other end of the lead is connected with the second electric slip ring; the first electric slip ring and the second electric slip ring are used for being connected with an external power supply;
the thermal field generating unit (6) is a heating wire which is arranged on the inner wall of the heating cavity (203).
2. The device for preparing the flexible electronic functional layer under the multi-composite-field according to claim 1, wherein the inner wall of the heating cavity (203) is arranged in two layers, and the heating wire is arranged between the two layers of the heating cavity (203).
3. The device for preparing the flexible electronic functional layer under the multi-composite-field according to claim 1, wherein a sealing plate (10) is arranged at an opening of the heating cavity (203), and the sealing plate (10) is connected with the heating cavity (203).
4. The device for preparing the flexible electronic functional layer under the multi-composite-field according to claim 3, wherein the built-in barrel (9) comprises a barrel body (901) and a barrel cover (902), an opening of the barrel body (901) and an opening of the heating cavity (203) are positioned on the same side, the barrel body (901) and the barrel cover (902) are detachably connected, and the barrel cover (902) and the sealing plate (10) are detachably connected.
5. The device for preparing the flexible electronic functional layer under the multi-compound field according to claim 4, wherein the scraper (303) comprises a scraper bar (3031) and a plurality of scrapers (3032), one end of the scraper bar (3031) is connected with the output shaft of the second motor (302), and the other end of the scraper bar penetrates through the barrel cover (902) and extends into the barrel body (901); the scrapers (3032) are arranged at intervals along the circumferential direction of the scraping rod (3031), one end of each scraper (3032) is detachably connected with the scraping rod (3031), and the other end of each scraper (3032) is in contact with the inner wall of the barrel body (901).
6. The device for preparing a flexible electronically functional layer under multiple composite fields according to claim 5, wherein the doctor blade (3032) is made of a flexible material.
7. The device for preparing the flexible electronic functional layer under the multi-composite field according to claim 4, wherein a detachable template (13) is further arranged in the barrel body (901), the template (13) comprises a fixed frame (1301) and a movable template (1302), the movable template (1302) is provided with graphs in different shapes, the fixed frame (1301) is detachably connected with the inner wall of the barrel body (901), and the movable template (1302) is connected with the fixed frame (1301).
8. The device for preparing the flexible electronic functional layer under the multi-composite-field according to claim 1, further comprising an adjusting unit (14) arranged below the bottom plate (1), wherein the adjusting unit comprises a mounting plate (1401) and a push rod (1402), the mounting plate (1401) is arranged below the bottom plate (1), one side of the bottom plate (1) close to the first motor (202) is hinged to the mounting plate (1401), the push rod (1402) is arranged on the side of the mounting plate (1401) opposite to the hinged shaft, one end of the push rod (1402) is fixedly connected to the mounting plate (1401), and the other end of the push rod is hinged to the bottom plate (1).
9. A method for preparing a flexible electronic functional layer under a multi-composite field by using the device for preparing the flexible electronic functional layer under the multi-composite field according to claims 1-8, which comprises the following steps:
s1, placing the functional material in the built-in barrel (9) according to the production requirement, and assembling the built-in barrel (9), the heating cavity (203) and the scraper (303);
s2, driving the heating cavity (203) and the built-in barrel (9) to synchronously rotate by using the first motor (202) for spin coating;
s3, a second motor (302) is used for driving the scraper (303) to rotate in the built-in barrel (9) for uniform coating;
s4, applying a magnetic field to the heating cavity (203) by using the magnetic field generating unit (4);
s5, electrifying the electric field generating unit (5) by using an external power supply, heating the thermal field generating unit (6) by the electric field generating unit (5) and generating a thermal field; meanwhile, the electric field generating unit (5) generates an electric field between the built-in barrel (9) and the scraper (303) to induce the distribution of functional materials and prepare the flexible electronic functional layer.
CN202110904183.XA 2021-08-06 2021-08-06 Device and method for preparing flexible electronic functional layer under multi-composite field Withdrawn CN113731324A (en)

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MY113227A (en) * 1995-01-18 2001-12-31 Kurashiki Boseki Kk Tube-shaped film having its inner peripheral surface treated, method for treating inner peripheral surface of tube-shaped film and apparatus therefor
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CN109759285B (en) * 2019-02-22 2020-11-20 湖北航天化学技术研究所 Automatic blade coating system and method for inner wall coating of cylinder
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