CN110656382A - Cylinder type electrostatic spinning near-field direct writing device - Google Patents
Cylinder type electrostatic spinning near-field direct writing device Download PDFInfo
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- CN110656382A CN110656382A CN201911018541.6A CN201911018541A CN110656382A CN 110656382 A CN110656382 A CN 110656382A CN 201911018541 A CN201911018541 A CN 201911018541A CN 110656382 A CN110656382 A CN 110656382A
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- field direct
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to the technical field of electrostatic spinning, in particular to a cylindrical electrostatic spinning near-field direct writing device. The cylinder type electrostatic spinning near-field direct-writing device comprises a near-field direct-writing spinning needle head, a cylinder type receiver and a high-voltage power supply, wherein: the cylindrical receiver is arranged below the near-field direct-writing spinning needle head; the positive pole of the high-voltage power supply is connected with the near-field direct-writing spinning needle head, and the negative pole of the high-voltage power supply is connected with the cylindrical receiver. According to the cylinder type electrostatic spinning near-field direct writing device, the receiving device adopts the cylinder type receiver, so that the spinnable area is increased, and the printing of nanofiber patterns with larger areas is realized; the occupied space of the direct-writing device capable of realizing large-area nanofiber pattern printing is greatly reduced; furthermore, precise deposition of fibers at very small pitches is achieved simultaneously.
Description
Technical Field
The invention relates to the technical field of electrostatic spinning, in particular to a cylindrical electrostatic spinning near-field direct writing device.
Background
The electrostatic spinning technology is the simplest and most convenient method for preparing the micron/nano fibers, and is firstly proposed by Formhals in 1934. Subsequently, research into the preparation of polymer nanofibers using electrospinning technology has been receiving much attention. At the beginning of this study, the electrospinning technique was used alone to form disordered nanofibers. Until 2006, sunway et al proposed a near-field direct-write technique, which implemented precise deposition of single fibers using transient stable jets, and developed a new approach for the direct-write micromachining field.
The 3D printing technique is a rapid prototyping technique that builds up a solid body by printing layer by layer. A3D printer in a fused deposition mode is a common 3D printing device on the market, expensive laser equipment is not needed, the price of a printing material is low, and the overall cost performance is high. The printing principle is that hot melt material is heated at a spray head and then extruded out, and then the object is constructed in a layer-by-layer stacking mode. However, due to the limitation of the diameter of the nozzle, the raw material is subject to the expansion effect in the fiber forming process after being extruded, so that the diameter of the fiber is generally larger than that of the nozzle, and the three-dimensional entity formed by stacking the fiber has poor fineness and cannot meet the printing requirement of the micro-nano structure. Therefore, 3D printing technology based on the near-field direct writing technology has received a great deal of attention. The technology utilizes a near-field direct writing technology to prepare continuous micro/nano fibers, combines ordered fiber stacking, realizes a high-precision three-dimensional structure, and expands the application of a 3D printing technology to a wider field.
However, the receiving plate widely used in the near-field direct writing technology at present is usually a planar conductive glass or semiconductor silicon wafer, and the motion control of the receiving plate needs to be the XY axis motion on the plane, so that the receiving plate and the motion control will cause a great spinnable area limitation, and the printing of a large-area nanofiber pattern cannot be realized. Moreover, the planar receiving plate generally has the problems that when two adjacent fibers need to be arranged at a very small interval, newly formed fibers are more prone to be repeatedly deposited on the existing fibers, and the defect that accurate deposition cannot be achieved exists; in particular, the fibers deposited on the receiving plate influence the electric field distribution in the plane of the needle and the receiving plate, so that the electric field force between the needle and the deposited fibers is larger than the electric field force between the needle and the expected deposition position on the receiving plate, and the newly formed fibers are repeatedly deposited on the existing fibers. Therefore, there is a need for an improved structure of the electrostatic spinning direct-writing device in the prior art to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a cylinder type electrostatic spinning near-field direct writing device, wherein a cylinder type receiver is adopted as a receiving device, so that the spinnable area is increased, and the occupied space of the device is reduced; in addition, the use of cylindrical receiver geometry creates the advantage of spatial location of the needle and the intended deposition location on the receiver plate, allowing for precise deposition of fibers at very small pitches.
In order to achieve the above object, the present invention provides a cylinder type electrostatic spinning near-field direct writing device, which is characterized by comprising a near-field direct writing spinning needle, a cylinder type receiver, and a high voltage power supply, wherein: the cylindrical receiver is arranged below the near-field direct-writing spinning needle head, and the near-field direct-writing spinning needle head prints nanofiber patterns on the circumferential surface of the cylindrical receiver; the positive pole of the high-voltage power supply is connected with the near-field direct-writing spinning needle head, and the negative pole of the high-voltage power supply is connected with the cylindrical receiver.
Further, cylinder formula receiver includes barrel shell, insulating support, connects pivot and driving motor, wherein: the shell of the cylinder body is connected with the negative pole of the high-voltage power supply; the insulating support is a cross-shaped support, the insulating support is arranged in the cylinder shell, the cross-shaped intersection point of the insulating support is positioned on the axis of the cylinder shell, the end part of the insulating support is connected with the cylinder shell to support the cylinder shell, and a through hole is formed in the cross-shaped intersection point of the insulating support along the axial direction of the insulating support; the connecting rotating shaft penetrates through the insulating support along the through hole and drives the cylinder shell to rotate through the insulating support; the driving motor drives the cylinder shell to rotate through the driving connection rotating shaft.
Furthermore, the first end of the connecting rotating shaft is connected with the output end of the driving motor through a shaft sleeve, and the shaft sleeve is an insulating shaft sleeve.
Further, the second end of the connecting rotating shaft is electrically connected with the negative electrode of the high-voltage power supply; the shell of the cylinder body is electrically connected with the connecting rotating shaft.
Furthermore, an electric receiving substrate fixing clamp is arranged at the end part of the cylinder shell close to the second end of the connecting rotating shaft, and the cylinder shell is electrically connected with the connecting rotating shaft through the electric receiving substrate fixing clamp.
Furthermore, the shaft sleeve is in threaded connection with the connecting rotating shaft and the output end of the driving motor.
Further, the near field is directly write the spinning syringe needle and is installed on spinning syringe needle mount, and cylinder formula receiver passes through mount platform mounting and just along with guide rail platform horizontal motion on the guide rail platform, and the guide rail platform mounting is on pneumatic horizontal platform, wherein: the fixed frame platform, the guide rail platform and the pneumatic horizontal platform are sequentially and horizontally arranged from top to bottom; the spinning needle head fixing frame comprises a horizontal support and a vertical support, the top end of the vertical support is horizontally connected with the horizontal support, the horizontal support is positioned above the fixing frame platform, and the bottom end of the vertical support is connected with the pneumatic horizontal platform; the near-field direct-writing spinning needle is arranged on the lower side face of the horizontal support and is opposite to the cylindrical receiver.
Further, the first fixed plate is vertically installed to the first end of mount platform, and the second fixed plate is vertically installed to the second end of fixed platform, wherein: the first fixing plate and the second fixing plate are arranged oppositely; the cylindrical receiver is horizontally and rotatably disposed between the first fixing plate and the second fixing plate.
Furthermore, a vertical movement guide rail is installed on the lower side surface of the horizontal support, a vertical movement executing device is installed on the vertical movement guide rail, and the near-field direct-writing spinning needle is installed on the vertical movement executing device in a hooping mode through a needle head hooping frame.
Furthermore, the first fixing plate and the second fixing plate are both insulating plates, at least one of the first fixing plate and the second fixing plate is provided with a power supply opposite-pole interface, the power supply opposite-pole interface is electrically connected with a high-voltage power supply negative pole, and the cylindrical receiver is electrically connected with the power supply opposite-pole interface.
The cylindrical electrostatic spinning near-field direct writing device has the following beneficial effects:
1. according to the cylinder type electrostatic spinning near-field direct writing device, the receiving device adopts the cylinder type receiver, so that the spinnable area is increased, and the printing of nanofiber patterns with larger areas is realized; in addition, the cylindrical receiver greatly reduces the occupied space of a direct-writing device capable of realizing large-area nanofiber pattern printing; in addition, the invention fully utilizes the space position advantages of the needle head and the expected deposition position on the receiver, which are generated by the geometric shape of the cylindrical receiver, and compared with the unexpected deposition position, the electric field force between the needle head and the expected deposition position on the receiver is stronger than that of the periphery, thereby realizing the accurate deposition of fibers with extremely small distance.
2. According to the cylinder type electrostatic spinning near-field direct writing device, the main body part of the cylinder type receiver is the cylinder shell and is supported by the insulating support, and the weight of the cylinder type receiver can be obviously reduced due to the space frame type design, so that the cylinder type receiver can rotate more flexibly and accurately under the driving of the driving motor.
3. According to the cylindrical electrostatic spinning near-field direct writing device, the connecting rotating shaft is connected with the output end of the driving motor through the insulating shaft sleeve, so that the connection insulativity between the cylindrical receiver and the driving motor is guaranteed.
4. The cylinder type electrostatic spinning near-field direct-writing device reasonably designs the bearing structures of the near-field direct-writing spinning needle head and the cylinder type receiver, such as a spinning needle head fixing frame, a fixing frame platform, a guide rail platform, a pneumatic horizontal platform and the like, thereby realizing the compactness of the structure of the near-field direct-writing device and the activity coordination among all movable parts.
5. The cylindrical electrostatic spinning near-field direct-writing device can realize large-area spinning only by the near-field direct-writing spinning needle head, the single-shaft movement of the cylindrical receiver and the rotation of the cylindrical receiver, and the spinning control is simpler.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a cylindrical electrostatic spinning near-field direct-writing device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cylindrical receiver of the cylindrical electrostatic spinning near-field direct-writing apparatus according to the present invention;
FIG. 3 is a schematic layout diagram of a cylinder receiver of the cylinder type electrostatic spinning near-field direct-writing device according to the present invention;
fig. 4 is a schematic structural diagram of a second fixing plate of the cylinder type electrostatic spinning near-field direct writing device according to the present invention;
FIG. 5 is a schematic structural diagram of an end portion of a cylinder housing of the cylinder type electrostatic spinning near-field direct-writing device according to the present invention;
fig. 6 is a schematic diagram of the arrangement structure of the near-field direct-writing spinning needle of the cylindrical electrostatic spinning near-field direct-writing device of the present invention;
FIG. 7 is a schematic structural diagram of a connecting shaft of the cylindrical electrostatic spinning near-field direct-writing device according to the present invention;
in the figure: 1-near field direct writing spinning needle, 2-cylinder type receiver, 21-cylinder shell, 22-insulating support, 23-connecting rotating shaft, 24-driving motor, 241-driving motor output end, 3-shaft sleeve, 41-electric receiving base fixing clamp, 42-power supply opposite pole interface, 43-first lead, 44-second lead, 51-fixing frame platform, 52-guide rail platform, 53-pneumatic horizontal platform, 61-horizontal support, 62-vertical support, 71-first fixing plate, 72-second fixing plate, 721-rotating shaft hole, 81-vertical movement guide rail, 82-vertical movement executing device and 83-needle head clamping frame;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a cylinder type electrostatic spinning near-field direct writing device according to an embodiment of the present invention includes a near-field direct writing spinning needle 1, a cylinder type receiver 2, and a high voltage power supply, wherein: the cylinder type receiver 2 is arranged below the near-field direct-writing spinning needle head 1, the near-field direct-writing spinning needle head 1 is perpendicular to the axis of the cylinder type receiver 2, and the near-field direct-writing spinning needle head prints nanofiber patterns to the circumferential surface of the cylinder type receiver; the positive pole of the high-voltage power supply is connected with the near-field direct-writing spinning needle head 1, and the negative pole of the high-voltage power supply is connected with the cylindrical receiver 2.
Specifically, the near-field direct-writing spinning needle 1 is a printing nozzle, and a micro injection pump can be connected to the near-field direct-writing spinning needle 1 to continuously provide printing materials for the near-field direct-writing spinning needle 1. The cylinder type receiver 2 corresponds to a receiving plate of the prior art, and is used for receiving the printing material sprayed by the near-field direct-writing spinning needle 1 and forming spinning deposits at specific positions. The cylinder type receiver 2 is located right above the near-field direct-writing spinning needle head 1 and is horizontally arranged, in addition, the cylinder type receiver 2 and the near-field direct-writing spinning needle head 1 can generate relative motion along the direction of the central axis of the cylinder type receiver 2, and the cylinder type receiver 2 can rotate around the central axis of the cylinder type receiver, so that the near-field direct-writing spinning needle head 1 can print nanofiber patterns on the circumferential surface of the cylinder type receiver 2. The high-voltage power supply is mainly used for being electrically connected with the near-field direct-writing spinning needle head 1 and the cylinder type receiver 2 respectively, so that a specific electric field is formed between the near-field direct-writing spinning needle head 1 and the cylinder type receiver.
According to the cylinder type electrostatic spinning near-field direct writing device, the receiving device adopts the cylinder type receiver 2, so that the spinnable area is increased, and the printing of nanofiber patterns with larger areas is realized; in addition, the cylindrical receiver 2 greatly reduces the occupied space of a direct-writing device capable of realizing large-area nanofiber pattern printing; in addition, the invention fully utilizes the space position advantages of the needle and the expected deposition position on the receiver, which are generated by the geometric shape of the cylindrical receiver 2, and compared with the unexpected deposition position, the electric field force between the needle and the expected deposition position on the receiver is stronger than that of the periphery, thereby realizing the accurate deposition of fibers with extremely small distance.
More specifically, under the condition of the same field source (U, q), the electric field intensity is inversely proportional to the polar distance, so that in the invention, the cylindrical receiver 2 is closest to the near-field direct-writing spinning needle 1, namely the position with the minimum polar distance is the expected deposition position of the current receiving plate device, and compared with the unexpected deposition position, the electric field force between the needle and the expected deposition position on the receiver is stronger than the surrounding force, thereby realizing the accurate deposition of fibers with extremely small distance, and benefiting from the advantages of the cylindrical receiver in geometric space.
In the above-mentioned embodiment of the cylinder type electrostatic spinning near-field direct writing device of the present invention, the cylinder type receiver 2 is designed separately, as shown in fig. 2 and fig. 3, the cylinder type receiver 2 includes a cylinder housing 21, an insulating support 22, a connecting rotating shaft 23, and a driving motor 24, wherein: the cylinder shell 21 is connected with the negative pole of the high-voltage power supply; the insulating support 22 is a cross-shaped support, the insulating support 22 is arranged inside the cylinder shell 21, the cross-shaped intersection of the insulating support 22 is positioned on the axis of the cylinder shell 21, the end parts of the insulating support 22 are connected with the cylinder shell 21 to support the cylinder shell 21, and a through hole is formed in the cross-shaped intersection of the insulating support 22 along the axial direction of the insulating support 22; the connecting rotating shaft 23 penetrates through the insulating support 22 along the through hole, and the connecting rotating shaft 23 drives the cylinder shell 21 to rotate through the insulating support 22; the driving motor 24 drives the cylinder housing 21 to rotate through the driving connection rotating shaft 23.
Specifically, the outer surface of the cylinder shell 21 is the spinning receiving surface of the cylinder receiver 2, that is, the nanofiber pattern is formed on the outer surface of the cylinder shell 21, and the spinning receiving surface is improved from the traditional plane to a circular curved surface, so that the spinnable area is greatly increased, and the printing of the nanofiber pattern with a larger area is realized; further, the cylindrical receiver 2 prints the same area of the fiber pattern, and occupies a smaller space than the conventional flat receiving plate. The connecting shaft 23 is mainly used for realizing the shaft connection transmission power with the driving motor 24, and is also used for realizing the rotary support of the cylinder housing 21, the connecting shaft 23 can be rotatably supported by various support structures, such as fixing plates oppositely arranged as shown in fig. 1, the support structure of the connecting shaft 23 is not particularly limited, and a person skilled in the art can design the support structure according to actual situations.
Further, as shown in fig. 7, a first end of the connection rotation shaft 23 (an end of the connection rotation shaft close to the driving motor is a first end, and an end far from the driving motor is a second end) is connected to an output end 241 of the driving motor through a shaft sleeve 3, and the shaft sleeve 3 is an insulating shaft sleeve. Specifically, the both ends of axle sleeve 3 all are provided with the internal thread, connect the first end of pivot 23 and driving motor output 241 tip all to be provided with the external screw thread that matches with the axle sleeve 3 internal thread, axle sleeve 3 with connect pivot 23 and driving motor output 241 all through threaded connection, axle sleeve 3 can be both ends all process threaded long nut promptly.
Further, as shown in fig. 1, the near-field direct-writing spinning needle 1 is installed on a spinning needle holder, the cylinder type receiver 2 is installed on the guide rail platform 52 through the holder platform 51 and moves horizontally along with the guide rail platform 52, the guide rail platform 52 is installed on the pneumatic horizontal platform 53, wherein: the fixed frame platform 51, the guide rail platform 52 and the pneumatic horizontal platform 53 are sequentially and horizontally arranged from top to bottom; the spinning needle head fixing frame comprises a horizontal bracket 61 and a vertical bracket 62, the top end of the vertical bracket 62 is horizontally connected with the horizontal bracket 61, the horizontal bracket 61 is positioned above the fixing frame platform 51, and the bottom end of the vertical bracket 62 is connected with the pneumatic horizontal platform 53; the near-field direct-writing spinning needle head 1 is installed on the lower side surface of the horizontal support 61 and is opposite to the cylindrical receiver 2, the vertical distance between the near-field direct-writing spinning needle head 1 and the cylindrical receiver 2 can be adjusted according to specific printing materials, the type of the selected spinning needle head and the like, and the invention is not limited in particular.
Specifically, the fixed frame platform 51 is a flat plate structure, and is mainly used for bearing and mounting the cylindrical receiver 2; the fixed frame platform 51 is arranged on the guide rail platform 52 and can slide along the guide rail platform 52; a guide rail is arranged on the guide rail platform 52 and used for guiding the fixed frame platform 51 to slide according to a specified track; the rail platform 52 is installed on a pneumatic horizontal platform 53, and the pneumatic horizontal platform 53 is a horizontally installed platform and can be lifted and lowered in the vertical direction pneumatically. The horizontal bracket 61 and the vertical bracket 62 are mainly used for realizing the suspended support of the near-field direct-writing spinning needle head 1 above the cylindrical receiver 2.
Further, a vertical movement guide 81 is installed on the lower side surface of the horizontal support 61, a vertical movement actuator 82 is installed on the vertical movement guide 81, and the near field direct writing spinning needle 1 is mounted on the vertical movement actuator 82 by being clamped by a needle clamping frame 83. Specifically, the vertical moving guide 81 is a vertically arranged guide, and is used for guiding the near-field direct writing spinning needle 1 to move in the vertical direction. The vertical motion executing device 82 is mainly used for providing power for the vertical sliding of the near-field direct-writing spinning needle head 1, the optional vertical motion executing device 82 can be a telescopic motor, the telescopic motor is installed on the vertical motion guide rail 81, the telescopic motor body can slide along the vertical motion guide rail 81 through the action of the telescopic motor, and the near-field direct-writing spinning needle head 1 is hooped on the telescopic motor body and vertically slides along with the telescopic motor.
Further, as shown in fig. 1 and fig. 3, a first fixing plate 71 is vertically installed at a first end of the fixing frame platform 51, and a second fixing plate 72 is vertically installed at a second end of the fixing platform, wherein: the first fixing plate 71 and the second fixing plate 72 are arranged oppositely; the cylinder receiver 2 is horizontally and rotatably disposed between the first fixing plate 71 and the second fixing plate 72, i.e., the axis of the cylinder receiver 2 is horizontal and perpendicular to the fixing plate, and the cylinder receiver 2 is rotatable around its axis. As shown in FIG. 3, the right end of the fixed frame platform 51 is a first end, and the left end is a second end.
Further, as shown in fig. 4 and 5, the first fixing plate 71 and the second fixing plate 72 are both insulating plates, and at least one of the first fixing plate 71 and the second fixing plate 72 is mounted with the power supply opposite pole interface 42, the power supply opposite pole interface 42 is electrically connected with the negative pole of the high-voltage power supply, and the cylindrical receiver 2 is electrically connected with the power supply opposite pole interface 42.
Specifically, the rotating shaft hole 721 where the second end of the connecting rotating shaft 23 is located is electrically connected with the power opposite pole interface 42 through the first wire 43, so as to realize the electrical connection with the negative pole of the high-voltage power supply; the cylinder housing 21 and the connection rotation shaft 23 are electrically connected by a second wire 44. The end of the cylinder housing 21 near the second end of the connecting rotation shaft 23 is provided with an electrical receiving substrate fixing clip 41, the electrical receiving substrate fixing clip 41 serves as a terminal, and the cylinder housing 21 is electrically connected with the connecting rotation shaft 23 through the electrical receiving substrate fixing clip 41, that is, the electrical receiving substrate fixing clip 41 is electrically connected with the second end of the connecting rotation shaft 23 through a second wire 44; an end cap may be provided at the end of the cartridge housing 21 to facilitate the arrangement of the second wire 44 and also to provide some dust-proof effect.
The cylindrical electrostatic spinning near-field direct writing device provided by the invention realizes printing of large-area nanofiber patterns, occupies a small space, and realizes accurate deposition of fibers with extremely small spacing.
For a clearer understanding of the present invention, the operation of the cylinder type electrostatic spinning near-field direct writing device of the present invention will now be briefly described:
the cylinder type electrostatic spinning near-field direct-writing device firstly injects spinning solution (or called printing material) into a near-field direct-writing spinning needle; a high-voltage power supply is connected to form a high-voltage electric field between the spinning needle head and the cylindrical receiver, and the spinning solution is continuously jetted out of the spinning needle head by the high-voltage power supply; within the distance between the near-field direct-writing spinning needle head and the cylindrical receiver, the printing material is subjected to the processes of stretching, solvent volatilization, cooling solidification and the like, and finally a nano-scale fiber layer is formed at a preset position of the cylindrical receiver. Of course, the movement and rotation of the cylindrical receiver during printing is computer controlled according to the print pattern profile.
The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.
Claims (10)
1. The utility model provides a cylinder formula electrostatic spinning near field device of directly writing which characterized in that, includes near field direct writing spinning syringe needle, cylinder formula receiver and high voltage power supply, wherein:
the cylindrical receiver is arranged below the near-field direct-writing spinning needle head, and the near-field direct-writing spinning needle head prints nanofiber patterns on the circumferential surface of the cylindrical receiver;
the positive pole of the high-voltage power supply is connected with the near-field direct-writing spinning needle head, and the negative pole of the high-voltage power supply is connected with the cylindrical receiver.
2. The cylinder type electrospinning near-field direct writing device according to claim 1, wherein the cylinder type receiver comprises a cylinder housing, an insulating support, a connecting rotating shaft, and a driving motor, wherein:
the cylinder shell is connected with the negative electrode of the high-voltage power supply;
the insulating support is a cross-shaped support, the insulating support is arranged in the cylinder shell, the cross-shaped intersection point of the insulating support is positioned on the axis of the cylinder shell, the end part of the insulating support is connected with the cylinder shell to support the cylinder shell, and a through hole is formed in the cross-shaped intersection position of the insulating support along the axial direction of the insulating support;
the connecting rotating shaft penetrates through the insulating support along the through hole, and the connecting rotating shaft drives the cylinder shell to rotate through the insulating support;
the driving motor drives the connecting rotating shaft to drive the cylinder shell to rotate.
3. The cylinder type electrostatic spinning near-field direct writing device according to claim 2, wherein the first end of the connecting rotating shaft is connected with the output end of the driving motor through a shaft sleeve, and the shaft sleeve is an insulating shaft sleeve.
4. The cylinder type electrostatic spinning near-field direct writing device according to claim 3, characterized in that:
the second end of the connecting rotating shaft is electrically connected with the negative electrode of the high-voltage power supply;
the cylinder shell is electrically connected with the connecting rotating shaft.
5. The cylinder type electrostatic spinning near-field direct writing device according to claim 4,
and an electric receiving substrate fixing clamp is arranged at the end part of the cylinder shell close to the second end of the connecting rotating shaft, and the cylinder shell is electrically connected with the connecting rotating shaft through the electric receiving substrate fixing clamp.
6. The cylinder type electrostatic spinning near-field direct writing device according to claim 5, wherein the shaft sleeve is in threaded connection with the connecting rotating shaft and the output end of the driving motor.
7. The cylinder type electrostatic spinning near-field direct-writing device according to claim 1, wherein the near-field direct-writing spinning needle is mounted on a spinning needle holder, the cylinder type receiver is mounted on a guide rail platform through a holder platform and moves horizontally with the guide rail platform, the guide rail platform is mounted on a pneumatic horizontal platform, and wherein:
the fixed frame platform, the guide rail platform and the pneumatic horizontal platform are sequentially and horizontally arranged from top to bottom;
the spinning needle head fixing frame comprises a horizontal support and a vertical support, the top end of the vertical support is horizontally connected with the horizontal support, the horizontal support is positioned above the fixing frame platform, and the bottom end of the vertical support is connected with the pneumatic horizontal platform; the near-field direct-writing spinning needle head is arranged on the lower side face of the horizontal support and is opposite to the cylindrical receiver.
8. The cylinder type electrostatic spinning near-field direct writing device according to claim 7, wherein a first fixing plate is vertically mounted at a first end of the fixing frame platform, and a second fixing plate is vertically mounted at a second end of the fixing frame platform, wherein:
the first fixing plate and the second fixing plate are arranged oppositely;
the cylindrical receiver is horizontally and rotatably disposed between the first and second fixing plates.
9. The cylinder type electrostatic spinning near-field direct writing device according to claim 7, wherein a vertical motion guide rail is mounted on the lower side surface of the horizontal support, a vertical motion executing device is mounted on the vertical motion guide rail, and the near-field direct writing spinning needle is tightly mounted on the vertical motion executing device through a needle head tightening frame.
10. The cylinder type electrostatic spinning near-field direct writing device according to claim 8, wherein the first fixing plate and the second fixing plate are both insulating plates, and at least one of the first fixing plate and the second fixing plate is provided with a power supply opposite pole interface, the power supply opposite pole interface is electrically connected with the negative pole of the high-voltage power supply, and the cylinder type receiver is electrically connected with the power supply opposite pole interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018541.6A CN110656382A (en) | 2019-10-24 | 2019-10-24 | Cylinder type electrostatic spinning near-field direct writing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911018541.6A CN110656382A (en) | 2019-10-24 | 2019-10-24 | Cylinder type electrostatic spinning near-field direct writing device |
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| Publication Number | Publication Date |
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| CN110656382A true CN110656382A (en) | 2020-01-07 |
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| CN201911018541.6A Pending CN110656382A (en) | 2019-10-24 | 2019-10-24 | Cylinder type electrostatic spinning near-field direct writing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604904A (en) * | 2021-09-02 | 2021-11-05 | 和也健康科技有限公司 | Preparation method, product and application of fusiform ternary @ carbon @ stone needle nanofiber material |
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2019
- 2019-10-24 CN CN201911018541.6A patent/CN110656382A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604904A (en) * | 2021-09-02 | 2021-11-05 | 和也健康科技有限公司 | Preparation method, product and application of fusiform ternary @ carbon @ stone needle nanofiber material |
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