CN111113838B - Processing method and device of shape-controllable 3D spiral micro antenna - Google Patents
Processing method and device of shape-controllable 3D spiral micro antenna Download PDFInfo
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- CN111113838B CN111113838B CN202010018770.4A CN202010018770A CN111113838B CN 111113838 B CN111113838 B CN 111113838B CN 202010018770 A CN202010018770 A CN 202010018770A CN 111113838 B CN111113838 B CN 111113838B
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Abstract
The invention discloses a processing method and a device of a shape-controllable 3D spiral micro-antenna, which comprises a micro-wire generating cavity, a coaxial nozzle and a supporting liquid container, wherein the micro-wire generating cavity is sequentially divided into an upper layer cavity, a middle layer cavity and a lower layer cavity from top to bottom, and the upper layer cavity of the micro-wire generating cavity is a micro-flow cavity; the middle layer cavity of the micro-wire generating cavity is an ultraviolet curing cavity; the lower layer cavity of the micro-wire generating cavity is a rotary light source cavity, a rotary light source is arranged in the rotary light source cavity, and the rotary light source rotates around the axis of the coaxial nozzle; the coaxial nozzle is arranged in the micro-flow cavity, and the supporting liquid container is arranged below the outlet end of the rotary light source cavity; the shape of the prepared 3D spiral micro-antenna can be controlled by regulating and controlling the extrusion speed of liquid in the coaxial nozzle, the rotating speed of the rotating light source and the laser power emitted by the rotating light source.
Description
Technical Field
The invention relates to the technical field of spiral micro-antenna processing, in particular to a processing method and a processing device of a shape-controllable 3D spiral micro-antenna.
Background
The geometric shape of the 3D spiral micro antenna, such as thread pitch, diameter and the like, can affect the performance of impedance matching and the like, so the requirements of the 3D spiral micro antenna on the production process of the three-dimensional structure are very strict, in the prior patent, for the preparation and processing of the three-dimensional microstructure, such as Chinese patent CN 106032266B-an integral three-dimensional structure template, a three-dimensional structure material and a controllable preparation method thereof, the method of forming a sacrificial layer and a seed layer on the surface of a substrate, processing a pattern structure on the seed layer, sequentially forming a plurality of layers of growth templates, and then utilizing the plurality of layers of growth templates to manufacture the three-dimensional structure material is disclosed, the growth templates of the method can not be repeatedly used after acting, the cost is increased, higher time cost is needed for layer-by-layer preparation of the templates, and the efficiency.
For example, the chinese invention patent CN 101638217B-a method for processing a micro-nano three-dimensional structure by nano wire or nanotube electrical discharge discloses that a conductive nano wire or nanotube is adhered to a tungsten needle tip, a pulse power supply provides electrical discharge processing voltage, and an electrical discharge processing is performed by combining a precision control platform, the requirement of the nano-scale processing on the precision of a triaxial movement platform is very high, and the electrical discharge processing needs to provide an additional power supply. The design of an electrode path and a method for compensating electrode loss in electric spark scanning machining are given in a literature (research on a micro electric spark milling CAD/CAM method [ J ]. mechanical engineering journal, 2003(09):97-100+105.) but the machining size of a micro-nano three-dimensional structure is limited by the diameter of an electrode for electric spark machining; in summary, there is a need to develop a new technology and a method and an apparatus for processing a shape-controllable 3D helical micro-antenna.
Disclosure of Invention
In view of the above drawbacks, the present invention provides a shape-controllable processing apparatus for a 3D helical micro-antenna, so as to solve the problems of low processing efficiency, high cost, complex structure and difficult operation of the conventional helical micro-antenna processing apparatus.
The invention also aims to provide a processing method of the shape-controllable 3D spiral micro antenna, which solves the problems that the processing size of the spiral micro wire is limited and the spiral structure of the generated micro wire is difficult to control due to the fact that the existing disposable supporting structure is used for multiple times in three-dimensional structure printing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the processing device of the shape-controllable 3D spiral micro antenna comprises a micro wire generating cavity, a coaxial nozzle and a supporting liquid container, wherein the micro wire generating cavity is sequentially divided into an upper layer cavity, a middle layer cavity and a lower layer cavity from top to bottom, and the upper layer cavity of the micro wire generating cavity is a micro flow cavity;
the middle layer cavity of the micro-wire generating cavity is an ultraviolet curing cavity;
the lower layer cavity of the micro-wire generating cavity is a rotary light source cavity, a rotary light source is arranged in the rotary light source cavity, and the rotary light source rotates around the axis of the coaxial nozzle;
the coaxial nozzle is arranged in the micro-flow cavity, the nozzle of the coaxial nozzle is arranged downwards, and the supporting liquid container is arranged below the outlet end of the rotary light source cavity;
the coaxial nozzle comprises an embedded pipe and an outer sleeve which are coaxially arranged;
the lower parts of the embedded pipe and the outer sleeve are both provided with a contraction nozzle, and the embedded pipe is embedded in the outer sleeve;
the lateral wall of outer tube is equipped with the ascending inlet pipe of slant.
Preferably, the device comprises a control module, wherein the control module is used for sending an operation instruction, and the operation instruction comprises the adjustment of the pressure applied to the coaxial nozzle in the microfluidic cavity, the wavelength of ultraviolet light in the ultraviolet curing cavity, the rotation direction and the real-time rotation speed of the rotating light source and the power of the rotating light source.
Preferably, an embedded pipe pressure applying module and an outer sleeve pressure applying module are arranged in the micro-flow cavity;
the embedded pipe pressing module is used for applying pressure to the inside of the embedded pipe;
the outer sleeve pressing module is used for applying pressure in the same direction as the pipeline axis of the feeding pipe to the feeding pipe arranged on the outer sleeve.
Preferably, a plurality of rows of ultraviolet light source emitters are uniformly distributed on the inner wall of the cavity of the ultraviolet curing cavity, the ultraviolet light sources of each row of ultraviolet light source emitters are arranged around the axis of the coaxial nozzle at equal intervals, and the interval of each ultraviolet light source is the same as the distance between every two rows of ultraviolet light source emitters.
Preferably, the rotating light source comprises a guide rail, a slider and a light source emitter;
the guide rail is fixedly arranged on the inner wall of the cavity of the rotary light source cavity around the axis of the coaxial nozzle, and the light source emitter is arranged on the guide rail through the sliding block;
the sliding block comprises a rotation control module, and the rotation control module is used for adjusting the rotation speed and the rotation direction of the sliding block in real time.
Preferably, the included angle between the feeding pipe and the axis of the outer sleeve pipe of the outer sleeve is 40 degrees.
Preferably, the micro-conductor generating cavity is divided into an upper cavity, a middle cavity and a lower cavity by a partition plate, the partition plate is a light-tight partition plate, and the middle part of each partition plate is provided with a through hole for the micro-conductor to pass through.
A processing method of a shape-controllable 3D spiral micro-antenna comprises the following steps:
s1: preparing conductive slurry and functional hydrogel, and heating the supporting solution; wherein the functional hydrogel and the support material are immiscible with each other;
s2: placing the conductive slurry in the embedded pipe, placing the functional hydrogel in the outer sleeve pipe and placing the supporting solution in a supporting solution container;
s3: applying pressure to the conductive paste in the embedded tube and the functional hydrogel in the outer sleeve, so that the conductive paste and the functional hydrogel are extruded out of the embedded tube and the outer sleeve simultaneously to form a long-strip-shaped micro-conducting wire;
s4: controlling an ultraviolet light source to emit ultraviolet light to carry out primary curing treatment on the outer layer of the micro-wire;
s5: controlling the rotating light source to rotate around the micro-wire at a set speed and direction, and emitting continuous wave laser to the micro-wire subjected to primary curing treatment;
the micro-wire is centrifugally moved after being irradiated by continuous wave laser of the rotary light source, and a 3D spiral micro-antenna semi-finished product is formed in a supporting solution;
s6: and taking out the 3D spiral micro antenna, placing the 3D spiral micro antenna in an ultraviolet curing machine, and curing the 3D spiral micro antenna by using ultraviolet light with the power of 15mW and the wavelength of 405nm for 15-25 min to obtain the 3D spiral micro antenna.
Preferably, the inner layer of the micro-wire is a conductive layer;
in step S1, the supporting solution is silica gel;
in step S3, the pressure applied to the functional hydrogel is 50-55 psi, and the pressure applied to the conductive paste is 50-55 psi;
in step S4, the wavelength of the ultraviolet light is 365 nm-405 nm, and the power is 10 mW;
in step S5, the rotating light source rotates counterclockwise at a speed of 0.5 to 5rps, the wavelength of the continuous wave laser is 532nm, and the power is 200 to 600 mW.
The invention has the beneficial effects that: the micro-wire generating cavity is divided into an upper layer cavity, a middle layer cavity and a lower layer cavity, and the cavities of all layers are mutually matched to process the spiral micro-antenna, so that the production time is saved, and the device maintenance is facilitated; the processing device can control the shape of the prepared 3D spiral micro-antenna under the condition of no external supporting structure by regulating the extrusion speed of liquid in the coaxial nozzle, the rotating speed of the rotating light source and the laser power emitted by the rotating light source and adopting supporting solutions with different viscosities to replace a conventional 3D printing support frame, and meanwhile, the 3D spiral micro-antenna with different sizes can be prepared by changing the size of a supporting liquid container or the structure of the coaxial nozzle, so that the processing size of the three-dimensional structure of the micro-wire is not limited.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 of the present invention;
FIG. 3 is a schematic diagram of the structure of the rotating light source 11 of the present invention;
FIG. 4 is a schematic diagram of a machined 3D helical micro-antenna of the present invention;
fig. 5 is a schematic diagram of a machined variable diameter 3D helical micro-antenna of the present invention.
Wherein: 1. embedding a tube; 2. an outer sleeve; 3. conductive paste; 4. a functional hydrogel; 5. a microfluidic chamber; 6. a hydrogel layer; 7. a conductive layer; 8. an ultraviolet light curing cavity; 9. rotating the light source cavity; 10. a 3D helical micro-antenna; 11. rotating the light source; 12. a supporting liquid container; 13. supporting the solution; 14. a coaxial nozzle; 15. a micro-wire; 21. a feed pipe; 11a, a guide rail; 11b, a slide block; 11c, a light source emitter; B. outer sleeve pipe axis
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the shape-controllable processing apparatus for a 3D helical micro antenna in this embodiment includes a micro wire generating cavity 16, a coaxial nozzle 14, and a supporting liquid container 12, where the micro wire generating cavity 16 is divided into an upper layer cavity, a middle layer cavity, and a lower layer cavity in sequence from top to bottom, and the upper layer cavity of the micro wire generating cavity 16 is a micro flow cavity 5;
the middle layer cavity of the micro-wire generating cavity 16 is an ultraviolet curing cavity 8;
the lower layer cavity of the micro-wire generating cavity 16 is a rotary light source cavity 9, a rotary light source 11 is arranged in the rotary light source cavity 9, and the rotary light source 11 rotates around the axis of the coaxial nozzle 14;
the coaxial nozzle 14 is arranged in the micro-flow cavity 5, the nozzle of the coaxial nozzle 14 is arranged downwards, and the supporting liquid container 12 is arranged below the outlet end of the rotary light source cavity 9;
the coaxial nozzle 14 comprises an embedded pipe 1 and an outer sleeve 2 which are coaxially arranged;
the lower parts of the embedded pipe 1 and the outer sleeve 2 are both contraction nozzles, and the embedded pipe 1 is embedded in the outer sleeve 2;
the side wall of the outer sleeve 2 is provided with an upward inclined feeding pipe 21.
The micro-wire generating cavity 16 is divided into an upper layer cavity, a middle layer cavity and a lower layer cavity, and the cavities of all layers are mutually matched to process the spiral micro-antenna, so that the production time is saved, and the device maintenance is convenient; the embedded pipe 1 and the outer sleeve 2 are coaxially arranged, and the embedded pipe 1 is embedded in the outer sleeve 2, so that the embedded pipe 1 and the outer sleeve 2 are more convenient to mount and dismount, and the lower parts of the embedded pipe 1 and the outer sleeve 2 are both shrinkage nozzles, which is favorable for directional extrusion of liquid in the pipe; the processing device can prepare 3D spiral micro-antennas with different sizes by replacing the size of the supporting liquid container 12 or the structure of the coaxial nozzle 14, so that the processing size of the three-dimensional structure of the micro-wire is not limited;
further, the shape of the prepared 3D helical micro-antenna 10 is controllable by regulating the extrusion speed of the liquid in the coaxial nozzle 14, the rotation speed of the rotating light source 11 and the laser power emitted by the rotating light source, thereby avoiding the problem that the growth template cannot be reused after being acted and the cost is increased when a three-dimensional structure material is manufactured by using a multi-layer growth template.
Preferably, the device comprises a control module, wherein the control module is used for sending an operation instruction, and the operation instruction comprises adjusting the pressure applied to the coaxial nozzle 14 in the micro-flow cavity 5, the wavelength of ultraviolet light in the ultraviolet curing cavity 8, the rotating direction and the real-time rotating speed of the rotating light source 11 and the power of the rotating light source 11.
The micro-flow cavity 5, the ultraviolet curing cavity 8 and the rotary light source 11 in the 3D spiral micro-antenna processing device are controlled in real time through the control module, and accurate controllability of the processing device on the shape of the prepared 3D spiral micro-antenna 10 is achieved.
An embedded pipe pressing module and an outer sleeve pressing module are arranged in the micro-flow cavity 5;
the embedded pipe pressing module is used for applying pressure to the inside of the embedded pipe 1;
the outer sleeve pressing module is used for applying pressure to a feeding pipe 21 arranged on the outer sleeve 2 in the same direction as the pipeline axis of the feeding pipe 21.
An embedded pipe pressure applying module and an outer sleeve pressure applying module are arranged in the micro-flow cavity 5, and the two modules are used for respectively controlling the pressure applied to the interiors of the embedded pipe 1 and the outer sleeve 2, so that the applied pressure is more uniform and accurate;
further, the embedded tube pressing module and the outer sleeve pressing module are specifically precise pneumatic pumps.
Multiple rows of ultraviolet light source emitters are uniformly distributed on the inner wall of the ultraviolet curing cavity 8, ultraviolet light sources of each row of ultraviolet light source emitters are arranged at equal intervals around the axis of the coaxial nozzle 14, and the interval of each ultraviolet light source is the same as the distance between every two rows of ultraviolet light source emitters.
A plurality of ultraviolet light source emitters utilize the space equipartition to set up on the cavity inner wall in ultraviolet curing chamber 8, make the ultraviolet ray in the ultraviolet curing chamber 8 evenly shine, improved the effect that the ultraviolet curing of ultraviolet curing chamber 8 was handled.
As shown in fig. 3, the rotary light source 11 includes a guide rail 11a, a slider 11b, and a light source emitter 11 c;
the guide rail 11a is fixedly arranged on the inner wall of the cavity of the rotary light source cavity 9 around the axis of the coaxial nozzle 14, and the light source emitter 11c is arranged on the guide rail through the sliding block 11 b;
the sliding block 11b comprises a rotation control module, and the rotation control module is used for adjusting the rotation speed and the rotation direction of the sliding block 11b in real time.
The slider 11b is controlled by the rotation control module to rotate at a constant speed or at a variable speed according to the instruction of the control module, so that the controllability of the spiral structure of the generated 3D spiral micro-antenna 10 is realized.
The included angle between the feeding pipe 21 and the outer sleeve pipe axis B of the outer sleeve 2 is 40 degrees.
The included angle between the feeding pipe 21 and the outer sleeve pipe axis B of the outer sleeve 2 is 40 degrees, so that the influence of the overlarge rotation angle between the feeding pipe 21 and the outer sleeve 2 on the flow of liquid in the outer sleeve 2 is avoided.
The micro-conductor generating cavity 16 is divided into an upper cavity, a middle cavity and a lower cavity by partition plates, the partition plates are light-tight partition plates, and the middle parts of the partition plates at each layer are provided with through holes for the micro-conductors 15 to pass through.
Except for a through hole for the micro-conductor 15 to pass through, other parts of the partition plate are of light-tight partition structures, so that mutual interference of light paths among cavities in the micro-conductor generating cavity 16 is effectively reduced, and the reliability of the processing device is improved.
A processing method of a shape-controllable 3D spiral micro antenna is characterized by comprising the following steps: the method comprises the following steps:
s1: preparing conductive slurry and functional hydrogel, and heating the supporting solution 13; wherein the functional hydrogel and the support material are immiscible with each other;
s2: placing the conductive paste in the embedded tube 1, the functional hydrogel in the outer sleeve 2, and the supporting solution 13 in the supporting solution container 12;
s3: applying pressure to the conductive paste in the embedded tube 1 and applying pressure to the functional hydrogel in the outer sleeve 2, so that the conductive paste and the functional hydrogel are extruded out of the embedded tube 1 and the outer sleeve 2 simultaneously to form a strip-shaped micro-wire 15;
s4: controlling an ultraviolet light source to emit ultraviolet light to carry out primary curing treatment on the outer layer of the micro-wire 15;
s5: controlling the rotating light source 11 to rotate around the micro-wire 15 at a set speed and direction, and emitting continuous wave laser to the micro-wire 15 after primary curing treatment;
the micro-wire 15 is subjected to continuous wave laser irradiation of the rotary light source 11 and then performs centrifugal motion, and a 3D spiral micro-antenna semi-finished product is formed in the supporting solution 13;
s6: and taking out the 3D spiral micro-antenna, placing the 3D spiral micro-antenna in an ultraviolet curing machine, and curing the 3D spiral micro-antenna by using ultraviolet light with the power of 15mW and the wavelength of 405nm for 15-25 min to obtain the 3D spiral micro-antenna 10.
The functional hydrogel is a thermal response hydrogel (N isopropyl acrylamide) and reduced gold nanoparticles are uniformly distributed in the functional hydrogel to serve as a photothermal converter, the N isopropyl acrylamide undergoes obvious volume transformation at a critical temperature of 32 ℃, specifically, when the temperature is higher than 32 ℃, the N isopropyl acrylamide shrinks, so that when the hydrogel layer is irradiated by a laser beam at a near light side, the photothermal converter (gold nanoparticles) at a side close to irradiation converts light energy into heat energy, the temperature of the region rises, the N isopropyl acrylamide shrinks at the temperature higher than the critical temperature, the change of the temperature at a far light side is very small, the volume of the N isopropyl acrylamide is kept unchanged, and the functional hydrogel has a tendency of bending towards light under laser irradiation. The microwire can generate centrifugal motion by the rotation (circumferential motion) of the light source and the continuous extrusion (axial motion) of the microwire, and then a spiral structure is formed in the supporting solution 13 below.
As shown in fig. 2, the outer layer of the micro-wire 15 is a hydrogel layer 6, and the inner layer of the micro-wire 15 is a conductive layer 7;
in step S1, the supporting solution 13 is silica gel;
in step S3, the pressure applied to the functional hydrogel is 50-55 psi, and the pressure applied to the conductive paste is 50-55 psi;
in step S4, the wavelength of the ultraviolet light is 365 nm-405 nm, and the power is 10 mW;
in step S5, the rotating light source 11 rotates counterclockwise at a speed of 0.5 to 5rps, the wavelength of the continuous wave laser is 532nm, and the power is 200 to 600 mW.
The conductive paste and the functional hydrogel are slowly extruded from the outer sleeve 2 and the inner embedded tube 1 at the same speed by regulating and controlling the pressure applied on the coaxial nozzle 14, and the strip-shaped micro-wire 16 extruded by the coaxial nozzle 14 keeps conductivity and can deform under the light guidance by regulating and controlling the rotating speed of the rotating light source 11, the laser power emitted by the rotating light source 11 and the viscosity of the supporting solution 13, so that the shape of the 3D spiral micro-antenna prepared under the condition of no external supporting structure can be controlled, and further the 3D spiral micro-antenna with the equal diameter and the 3D spiral micro-antenna with the variable diameter are formed.
Example 1:
the diameter of the contraction port of the outer sleeve 2 is 50 micrometers, and the diameter of the contraction port of the embedded pipe 1 is 10 micrometers;
applying 54psi pressure to the conductive paste and 55psi pressure to the functional hydrogel to simultaneously extrude the conductive paste and the functional hydrogel at a speed of 0.2mm/s to form micro-wires 15; curing the micro-wires 15 by using ultraviolet light with the wavelength of 405nm and the power of 10 mW;
the rotating light source 11 is directed to the micro-wire 15 by a continuous wave laser with a power of 500mW, and rotates counterclockwise at a speed of 1rps, and the micro-wire 15 forms a 3D helical micro-antenna 10 with a diameter of 5mm and a pitch of 1mm with a constant diameter in a supporting solution 13 with a viscosity of 2.8 k.mPas at a temperature of 180 ℃ as shown in FIG. 4.
Example 2:
the diameter of the contraction port of the outer sleeve 2 is 50 micrometers, and the diameter of the contraction port of the embedded pipe 1 is 10 micrometers;
applying 54psi pressure to the conductive paste and 55psi pressure to the functional hydrogel to simultaneously extrude the conductive paste and the functional hydrogel at a speed of 0.2mm/s to form micro-wires 15; curing the micro-wires 15 by using ultraviolet light with the wavelength of 405nm and the power of 10 mW;
the rotating light source 11 rotates counterclockwise with a continuous wave laser with a power of 500mW and continuously processes 60s while aligning the micro-wire 15 from a speed of 1rps with an acceleration of 0.1rps per second, and the micro-wire 15 is centrifugally moved in the supporting solution 13 with a viscosity of 3.0k · mPa · s at a temperature of 160 ℃, to form the variable diameter 3D helical micro-antenna 10 with a maximum diameter of 5mm, a minimum diameter of 0.5mm and a pitch of 1.5mm as shown in fig. 5.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The utility model provides a processingequipment of controllable 3D spiral micro antenna of shape which characterized in that: the micro-wire generating cavity is sequentially divided into an upper cavity, a middle cavity and a lower cavity from top to bottom, and the upper cavity of the micro-wire generating cavity is a micro-flow cavity;
the middle layer cavity of the micro-wire generating cavity is an ultraviolet curing cavity;
the lower layer cavity of the micro-wire generating cavity is a rotary light source cavity, a rotary light source is arranged in the rotary light source cavity, and the rotary light source rotates around the axis of the coaxial nozzle;
the coaxial nozzle is arranged in the micro-flow cavity, the nozzle of the coaxial nozzle is arranged downwards, and the supporting liquid container is arranged below the outlet end of the rotary light source cavity;
the coaxial nozzle comprises an embedded pipe and an outer sleeve which are coaxially arranged;
the lower parts of the embedded pipe and the outer sleeve are both provided with a contraction nozzle, and the embedded pipe is embedded in the outer sleeve;
the side wall of the outer sleeve is provided with an upward oblique feeding pipe;
multiple rows of ultraviolet light source emitters are uniformly distributed on the inner wall of the cavity of the ultraviolet curing cavity, ultraviolet light sources of each row of ultraviolet light source emitters are arranged at equal intervals around the axis of the coaxial nozzle, and the interval of each ultraviolet light source is the same as the distance between every two rows of ultraviolet light source emitters.
2. The apparatus for processing a shape-controllable 3D helical micro-antenna according to claim 1, wherein: the device comprises a control module, wherein the control module is used for sending an operation instruction, and the operation instruction comprises the adjustment of the pressure applied to the coaxial nozzle in the micro-flow cavity, the wavelength of ultraviolet light in the ultraviolet curing cavity, the rotation direction and the real-time rotation speed of the rotating light source and the power of the rotating light source.
3. The apparatus for processing a shape-controllable 3D helical micro-antenna according to claim 2, wherein: an embedded pipe pressure applying module and an outer sleeve pressure applying module are arranged in the micro-flow cavity;
the embedded pipe pressing module is used for applying pressure to the inside of the embedded pipe;
the outer sleeve pressing module is used for applying pressure in the same direction as the pipeline axis of the feeding pipe to the feeding pipe arranged on the outer sleeve.
4. The apparatus for processing a shape-controllable 3D helical micro-antenna according to claim 2, wherein: the rotary light source comprises a guide rail, a sliding block and a light source emitter;
the guide rail is fixedly arranged on the inner wall of the cavity of the rotary light source cavity around the axis of the coaxial nozzle, and the light source emitter is arranged on the guide rail through the sliding block;
the sliding block comprises a rotation control module, and the rotation control module is used for adjusting the rotation speed and the rotation direction of the sliding block in real time.
5. The apparatus for processing a shape-controllable 3D helical micro-antenna according to claim 1, wherein: the included angle between the feeding pipe and the outer sleeve pipe axis of the outer sleeve is 40 degrees.
6. The apparatus for processing a shape-controllable 3D helical micro-antenna according to claim 1, wherein: the micro-conductor generating cavity is divided into an upper cavity, a middle cavity and a lower cavity by a partition plate, the partition plate is a light-tight partition plate, and the middle part of each partition plate is provided with a through hole for the micro-conductor to pass through.
7. A processing method of a shape-controllable 3D spiral micro antenna is characterized by comprising the following steps: the method comprises the following steps:
s1: preparing conductive slurry and functional hydrogel, and heating the supporting solution; wherein the functional hydrogel and the support material are immiscible with each other;
s2: placing the conductive slurry in the embedded pipe, placing the functional hydrogel in the outer sleeve pipe and placing the supporting solution in a supporting solution container;
s3: applying pressure to the conductive paste in the embedded tube and the functional hydrogel in the outer sleeve, so that the conductive paste and the functional hydrogel are extruded out of the embedded tube and the outer sleeve simultaneously to form a long-strip-shaped micro-conducting wire;
s4: controlling an ultraviolet light source to emit ultraviolet light to carry out primary curing treatment on the outer layer of the micro-wire;
s5: controlling a rotary light source to rotate around the micro-wire at a set speed and direction, and emitting continuous wave laser to the micro-wire subjected to primary curing treatment;
the micro-wire is centrifugally moved after being irradiated by continuous wave laser of the rotary light source, and a 3D spiral micro-antenna semi-finished product is formed in a supporting solution;
s6: taking out the 3D spiral micro-antenna, placing the 3D spiral micro-antenna in an ultraviolet curing machine, and curing the 3D spiral micro-antenna by using ultraviolet light with the power of 15mW and the wavelength of 405nm for 15-25 min to obtain the 3D spiral micro-antenna;
the functional hydrogel is N isopropyl acrylamide.
8. The process of claim 7, wherein the outer layer of the micro-wire is a hydrogel layer and the inner layer of the micro-wire is a conductive layer;
in step S1, the supporting solution is silica gel;
in step S3, the pressure applied to the functional hydrogel is 50-55 psi, and the pressure applied to the conductive paste is 50-55 psi;
in step S4, the wavelength of the ultraviolet light is 365 nm-405 nm, and the power is 10 mW;
in step S5, the rotating light source rotates counterclockwise at a speed of 0.5 to 5rps, the wavelength of the continuous wave laser is 532nm, and the power is 200 to 600 mW.
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