CN110656381A - Multifunctional liquid supply rotary electrostatic spinning equipment - Google Patents
Multifunctional liquid supply rotary electrostatic spinning equipment Download PDFInfo
- Publication number
- CN110656381A CN110656381A CN201911017815.XA CN201911017815A CN110656381A CN 110656381 A CN110656381 A CN 110656381A CN 201911017815 A CN201911017815 A CN 201911017815A CN 110656381 A CN110656381 A CN 110656381A
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- liquid supply
- adjusting structure
- sliding block
- connecting rod
- frame
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- 239000007788 liquid Substances 0.000 title claims abstract description 100
- 238000010041 electrostatic spinning Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000001523 electrospinning Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000009987 spinning Methods 0.000 abstract description 17
- 239000002131 composite material Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 abstract description 4
- 239000002121 nanofiber Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
Abstract
The invention relates to the field of spinning manufacturing, in particular to a rotary electrostatic spinning device with multifunctional liquid supply. The multifunctional liquid supply rotary electrostatic spinning equipment comprises a rack, a liquid supply device arranged on the rack, and a collecting device arranged below the liquid supply device; the collecting device comprises a driving motor and a collecting turntable, and the output end of the driving motor is rotationally connected with the collecting turntable; the liquid supply device comprises an adjusting structure, a plurality of connecting rods, a plurality of sliding blocks and a plurality of liquid supply systems; the first end of the connecting rod is hinged with the frame, the second end of the connecting rod is hinged with one end of the sliding block, the other end of the sliding block is provided with a limiting boss for supporting the adjusting structure, and the limiting boss is fixedly connected with the liquid supply system; a plurality of groove structures are arranged on the adjusting structure, and each groove structure is connected with the sliding block in a sliding mode. Compared with the prior art, the method realizes high-efficiency production, and can be used for manufacturing multi-material superposed spinning and composite membranes.
Description
Technical Field
The invention relates to the field of spinning manufacturing, in particular to a rotary electrostatic spinning device with multifunctional liquid supply.
Background
Electrospinning is a special fiber manufacturing process, where polymer solutions or melts are jet spun in a strong electric field. Under the action of the electric field, the liquid drop at the needle head changes from a spherical shape to a conical shape (i.e. a Taylor cone) and extends from the tip of the cone to obtain a fiber filament. This way, polymer filaments of nanometer-scale diameter can be produced. The preparation of nanofibrous materials through electrostatic spinning technology is one of the most important academic and technical activities in the field of materials science and technology in the world in recent decades. Electrostatic spinning has become one of the main approaches for effectively preparing nanofiber materials due to the advantages of simple manufacturing device, low spinning cost, various spinnable substances, controllable process and the like. Electrospinning technology has produced a wide variety of nanofibers including organic, organic/inorganic composite, and inorganic nanofibers. With the development of human production and life, a single nano material is far from meeting the requirements of people, so that the inorganic/organic composite nano material becomes a hot spot in the field of nano materials. The composite nanofiber material is formed by combining some nanofibers through a chemical or physical method, and keeps specific functions while simultaneously considering the excellent characteristics of different nanofibers.
Generally, the productivity of conventional laboratory type electrospinning apparatuses is about 0.1 to 1.0g/h, and the efficiency is low. In order to improve the yield, a multi-needle mode is usually used, the motion mode is mainly an XY mode, the operation is not necessary in certain simple molding processes, and the current electrostatic spinning superposition mode cannot realize perfect continuous superposition. In addition, the current overlapping spinning and mixing mode generally uses a needle switching method, which is complex and puts certain requirements on the grade of equipment, the process and the like.
Disclosure of Invention
The invention provides a multifunctional liquid supply rotary type electrostatic spinning device, which is additionally provided with a multifunctional liquid supply system on the basis of the traditional electrostatic spinning device, changes the traditional collecting device into rotary type collection and provides the multifunctional liquid supply rotary type electrostatic spinning device; high-efficiency production is realized, and simultaneously, multi-material superposed spinning and composite membrane manufacturing can be realized.
The technical scheme adopted by the invention is as follows:
a rotary electrostatic spinning device with multifunctional liquid supply,
the device comprises a frame, a liquid supply device arranged on the frame and a collection device arranged below the liquid supply device;
the collecting device comprises a driving motor and a collecting turntable, and the output end of the driving motor is rotationally connected with the collecting turntable;
the liquid supply device comprises an adjusting structure, a plurality of connecting rods, a plurality of sliding blocks and a plurality of liquid supply systems; the first end of the connecting rod is hinged with the frame, the second end of the connecting rod is hinged with one end of the sliding block, the other end of the sliding block is provided with a limiting boss for supporting the adjusting structure, and the limiting boss is fixedly connected with the liquid supply system; a plurality of groove structures are arranged on the adjusting structure, and each groove structure is connected with the sliding block in a sliding mode.
Further, the adjusting structure is a circular plate.
Furthermore, the connecting rod is connected with the rack through a supporting mechanism, the first end of the connecting rod is hinged with the supporting mechanism, and the supporting mechanism is fixedly connected with the rack.
Further, the supporting mechanism is an annular circular plate.
Furthermore, a gasket is fixedly arranged below the supporting mechanism.
Furthermore, one end of the sliding block is of a cylindrical structure.
Furthermore, a plurality of groove structures are uniformly distributed along the circumferential direction of the adjusting structure; and the center of the adjusting structure does not pass through the center line of the groove structure along the length direction.
Further, the liquid supply system comprises a liquid supply needle head and a liquid supply pump, the liquid supply needle head is fixedly connected with the limiting boss, and the liquid supply needle head is connected with the liquid supply pump.
Further, the frame is of a frame structure.
Compared with the prior art, the invention has the following beneficial effects:
1) through the rotation of adjusting the structure, drive the connecting rod motion, and then realize a plurality of confession liquid syringe needles in the removal of certain limit, the adjustment spinning position, or through the motion of connecting rod, drive a plurality of confession liquid syringe needles and carry out reciprocal uniform motion for the film of preparation is more even. The invention is provided with a plurality of liquid supply systems, and the plurality of liquid supply systems can be filled with the same solution for high-efficiency production and can also be filled with different solutions for mixed electrostatic spinning. When the solution types in the liquid supply systems are the same, namely the same solution is spun, the rotation of the collecting turntable enables the nanofibers output by the multiple needles to be perfectly and continuously superposed, and the inheritance type continuous spinning is realized. When the solution types in the liquid supply systems are different, namely different solutions are spun, different nanofibers output by the multiple needles are superposed by the rotation of the collecting turntable, so that the composite superposition of the multi-material solution is realized, and the composite superposition is used for manufacturing composite materials. Therefore, the invention adds a plurality of liquid supply systems on the basis of the traditional electrostatic spinning equipment, and changes the traditional collecting device into rotary collecting, thereby realizing high-efficiency production, and simultaneously being capable of manufacturing multi-material superposed spinning and manufacturing composite membranes.
2) And a cylindrical structure is adopted, so that the friction coefficient is reduced, and the operation of the mechanism is facilitated.
3) The liquid supply needles are arranged in a circumferential array mode, and the collecting rotary disc is in rotary movable collection, so that the requirement on the precision of equipment can be reduced in some simple molding processes.
4) The annular plate is adopted, so that not only can the material cost be saved, but also the operation condition of the whole structure can be favorably observed.
5) The free motion of connecting rod can effectively be guaranteed in the setting of packing ring.
6) The center of the adjusting structure does not pass through the center line of the groove structure along the length direction, so that the situation that the connecting rod and the groove structure form an included angle of 90 degrees when the connecting rod rotates is effectively avoided.
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 structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a front view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of the liquid supply apparatus shown in FIG. 1 according to an embodiment of the present invention;
in the figure: a frame 1; the collecting device 2, a driving motor 201 and a collecting turntable 202; the liquid supply device 3, the supporting mechanism 301, the adjusting structure 302, the groove structure 302-a, the connecting rod 303, the sliding block 304, the liquid supply needle 305, the liquid supply pump 306 and the gasket 307.
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.
The present invention will be discussed in detail below with reference to the accompanying drawings 1 to 3 and the present embodiment:
a rotary electrostatic spinning device with multifunctional liquid supply comprises a rack 1, a liquid supply device 3 arranged on the rack 1, and a collecting device 2 arranged below the liquid supply device 3.
The frame 1 adopts a frame type structure, and the frame 1 is fixed on the ground and is used for fixedly mounting the liquid supply device 3.
The collecting device 2 mainly comprises a driving motor 201, a collecting turntable 202 and the like; the driving motor 201 is vertically placed, and the output shaft of the driving motor 201 is vertically arranged upwards. The output shaft of the driving motor 201 is sleeved with a collecting turntable 202, the collecting turntable 202 is rotatably connected with the output shaft of the driving motor 201, and the collecting turntable 202 is arranged below a liquid supply needle 305 of the liquid supply device 3. The collection turntable 202 is driven by the driving motor 201 to rotate, and the collection turntable 202 is used for collecting the nano-fiber wires or the nano-fiber membranes. In addition, since the nanofibers in the initial state have a certain viscosity during electrostatic spinning, when the collection turntable 202 rotates around the output shaft of the driving motor 201, the nanofibers can be stretched to a certain degree, and continuity of the nanofibers is ensured. In this embodiment, a person skilled in the art may also select the shape of the collection turntable 202 according to actual needs, for example, the collection turntable 202 may have a circular or regular polygonal structure, and the invention is not limited thereto. Preferably, the collecting turntable 202 is a circular plate, which has a large receiving area and is convenient to rotate.
The liquid supply device 3 includes an adjustment structure 302, a plurality of links 303, a plurality of sliders 304, and a plurality of liquid supply systems. The first end 303-a of each connecting rod 303 is hinged with the frame 1, the second end 303-a of each connecting rod 303 is hinged with one end of the sliding block 304, the other end of the sliding block 304 is provided with a limiting boss 304-a for supporting the adjusting structure 302, the bottom of each limiting boss 304-a is fixedly connected with a corresponding liquid supply system, and power and solution are provided for electrostatic spinning through the liquid supply system. The adjusting structure 302 is provided with a plurality of groove structures 302-a, each groove structure 302-a is slidably connected with a sliding block 304, and the sliding block 304 can move in the corresponding groove structure 302-a. When the liquid supply device works, the connecting rod 303 rotates to drive the sliding block 304 to move in the groove structure 302-a, so that the liquid supply system is driven to move, and the position of the liquid supply system is adjusted. In the invention, the hinge connection mode can be a pin connection mode, and the specific implementation mode of the hinge connection is not limited, and the hinge connection mode belongs to the protection scope of the invention.
When the whole machine works, the adjusting structure 302 rotates to drive the connecting rod 303 to move, so that the liquid supply systems can move within a certain range, and the spinning position can be adjusted. Specifically, the adjustment mechanism 302 may be manually adjusted: manually adjusting the adjusting structure 302 according to different types of solutions selected by the liquid supply systems, so as to adjust the spinning positions of the liquid supply systems; when the positions of the plurality of liquid supply systems all meet the requirements, the position of the adjusting structure 302 is ensured to be unchanged. The adjusting structure 302 can also be driven and controlled by a motor, and the motor controls the adjusting structure 302 to rotate in a reciprocating manner within a certain range, so as to drive the liquid supply systems to move in a reciprocating manner at a uniform speed; when the thin film produced by spinning is thin, the rotation angle of the adjusting structure 302 is adjusted, so that the relative positions of the liquid supply systems are concentrated; when the thin film produced by spinning is thick, the rotation angle of the adjusting structure 302 is adjusted, so that the relative positions of the liquid supply systems are dispersed; through the adjustment in the mode, the finally manufactured film is more uniform.
In addition, the electrostatic spinning equipment is provided with a plurality of liquid supply systems, and the plurality of liquid supply systems can be filled with the same solution for high-efficiency production and can also be filled with different solutions for mixed electrostatic spinning. When the solutions in the multiple liquid supply systems are the same in type, namely the same solution is spun, the collection turntable 202 rotates, so that the nanofibers output by the multiple liquid supply systems are perfectly and continuously superposed, and the successive continuous spinning is realized. When the solutions in the multiple liquid supply systems are different in type, namely different solutions are spun, different nanofibers output by the multiple liquid supply systems are superposed by rotation of the collecting turntable 202, and composite superposition of the multiple material solutions is realized for manufacturing composite materials. Therefore, on the basis of the traditional electrostatic spinning equipment, the multi-liquid-supply system is additionally arranged, the traditional collecting device is changed into a rotary type collecting device, the high-efficiency production is realized, and meanwhile, the multi-material superposed spinning and the composite film can be manufactured.
Further, the outline of the adjusting structure 302 may be a circle, a regular polygon, or the like. Preferably, the adjustment structure 302 is a circular plate, and a plurality of groove structures 302-a are formed along a circumferential direction array of the adjustment structure 302. In this embodiment, the number of the groove structures is four, and the number of the corresponding connecting rods 303, the corresponding sliding blocks 304, and the number of the corresponding liquid supply systems are four. The four liquid supply systems are arranged in a circumferential array mode, and meanwhile, the collecting turntables are in rotary movable collection, so that the requirement on the precision of equipment can be reduced in some simple molding processes. In this embodiment, the groove structure 302-a is a long groove structure, and those skilled in the art may select other structures according to actual needs, and the invention is not limited in detail.
Further, the connecting rod 303 is connected with the rack 1 through the supporting mechanism 301, a first end of the connecting rod 303 is hinged with the supporting mechanism 301, and the supporting mechanism 301 is fixedly connected with the rack 1. Specifically, the supporting mechanism 301 is fixedly installed below the middle portion of the frame 1, and the supporting mechanism 301 may be fixedly installed on the frame 1 by bolting or welding, etc., and the present invention does not limit the specific connection manner, and all of them belong to the protection scope of the present invention. Meanwhile, the hinge connection mode can be pin shaft connection and the like, and the specific implementation mode of the hinge connection is not limited, and the hinge connection mode belongs to the protection scope of the invention.
Further, the outline of the supporting mechanism 301 may be circular, regular polygon, or the like. Preferably, the support mechanism 301 is an annular plate; the annular plate is adopted, so that not only can the material cost be saved, but also the operation condition of the whole structure can be favorably observed.
Further, a washer 307 is fixedly installed below the supporting mechanism 301. The washer 307 is provided to effectively ensure free movement of the connecting rod 303. Specifically, the washer 307 may be fixed below the supporting mechanism 301 by bolting, welding, or the like, and the specific connection manner is not limited in the present invention, and all of them belong to the protection scope of the present invention.
Furthermore, one end of the sliding block 304 is of a cylindrical structure, and the other end of the sliding block is provided with a limiting boss. The sliding block 304 is arranged in the groove structure 302-a in a sliding mode, and a cylindrical structure is adopted, so that the friction coefficient is reduced, and the operation of the mechanism is facilitated. Meanwhile, the other end of the sliding block 304 is provided with a limiting boss, so that the width of the groove structure 302-a on the adjusting structure 302 is ensured to be smaller than that of the limiting boss, and the limiting boss on the sliding block 304 plays a role in limiting and supporting the adjusting structure 302.
Furthermore, according to different kinds of solutions selected by the liquid supply system, a person skilled in the art can design the length of the groove structure 302-a, the angle setting of the groove structure 302-a, the length of the connecting rod 303, and the like; the position of the liquid supply needle 305 in the liquid supply system is adjusted, so that the high-voltage electrostatic interference among multiple needles is avoided, and the electrostatic spinning effect is not influenced. Preferably, a plurality of groove structures 302-a are uniformly distributed along the circumferential direction of the adjusting structure 302; and the center of the adjusting structure 302 does not pass through the center line of the groove structure 302-a along the length direction, so that the condition that the connecting rod 303 forms an included angle of 90 degrees with the groove structure 302-a when the connecting rod 303 rotates is effectively avoided.
Further, the liquid supply system comprises a liquid supply needle 305 and a liquid supply pump 306; the bottom of each limit boss is fixedly provided with a corresponding liquid supply needle 305, one side of each liquid supply needle 305 is provided with a liquid supply pump 306, and electrostatic spinning power and solution are provided for the liquid supply needles 305 through the liquid supply pumps 306; and each of the feeding needles 305 is connected to high voltage static electricity for electrospinning. In operation, the liquid supply pump 306 supplies spinning solution to the liquid supply needle 305, and the liquid supply needle 305 starts spinning under the action of high-voltage static electricity; and due to the rotation of the collection turntable 202, the nanofibers output from a plurality of different tips 305 can be continuously stacked.
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 (9)
1. The utility model provides a rotation type electrostatic spinning equipment of multi-functional confession liquid which characterized in that:
the device comprises a frame, a liquid supply device arranged on the frame and a collection device arranged below the liquid supply device;
the collecting device comprises a driving motor and a collecting turntable, and the output end of the driving motor is rotationally connected with the collecting turntable;
the liquid supply device comprises an adjusting structure, a plurality of connecting rods, a plurality of sliding blocks and a plurality of liquid supply systems; the first end of the connecting rod is hinged with the rack, the second end of the connecting rod is hinged with one end of the sliding block, the other end of the sliding block is provided with a limiting boss for supporting the adjusting structure, and the limiting boss is fixedly connected with the liquid supply system; the adjusting structure is provided with a plurality of groove structures, and each groove structure is connected with the sliding block in a sliding mode.
2. The multi-functional liquid feeding rotary electrospinning apparatus of claim 1, wherein: the adjusting structure is a circular plate.
3. The multi-functional liquid feeding rotary electrospinning apparatus of claim 1, wherein:
the connecting rod passes through supporting mechanism with the frame is connected, the first end of connecting rod with the supporting mechanism is articulated to be connected, supporting mechanism with frame fixed connection.
4. The multi-functional liquid feeding rotary electrospinning apparatus of claim 3, wherein: the supporting mechanism is an annular circular plate.
5. The multi-functional liquid feeding rotary electrospinning apparatus of claim 4, wherein: and a gasket is fixedly arranged below the supporting mechanism.
6. The multi-functional liquid feeding rotary electrospinning apparatus of claim 1, wherein: one end of the sliding block is of a cylindrical structure.
7. The multi-functional liquid feeding rotary electrospinning device of any one of claims 1 to 6, wherein: the groove structures are uniformly distributed along the circumferential direction of the adjusting structure; and the center of the adjusting structure does not pass through the center line of the groove structure along the length direction.
8. The multi-functional liquid feeding rotary electrospinning apparatus of claim 7, wherein: the liquid supply system comprises a liquid supply needle head and a liquid supply pump, the liquid supply needle head is fixedly connected with the limiting boss, and the liquid supply needle head is connected with the liquid supply pump.
9. The multi-functional liquid feeding rotary electrospinning apparatus of claim 8, wherein: the frame is of a frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017815.XA CN110656381A (en) | 2019-10-24 | 2019-10-24 | Multifunctional liquid supply rotary electrostatic spinning equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017815.XA CN110656381A (en) | 2019-10-24 | 2019-10-24 | Multifunctional liquid supply rotary electrostatic spinning equipment |
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| CN110656381A true CN110656381A (en) | 2020-01-07 |
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| CN201911017815.XA Pending CN110656381A (en) | 2019-10-24 | 2019-10-24 | Multifunctional liquid supply rotary electrostatic spinning equipment |
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| CN (1) | CN110656381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481710A (en) * | 2020-11-19 | 2021-03-12 | 广州初曲科技有限公司 | Adjustable multi-nozzle single-yarn blending electrostatic spinning device for special-shaped fabric |
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| CN211367825U (en) * | 2019-10-24 | 2020-08-28 | 季华实验室 | Multifunctional liquid supply rotary electrostatic spinning equipment |
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| CN101487172A (en) * | 2009-02-19 | 2009-07-22 | 浙江大学 | Multi-nozzle and spherical surface film-forming electrostatic spinning film production apparatus for hollow circular ring pipe |
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