CN110983458A - Industrial preparation nanofiber filtration membrane receiving arrangement and spinning equipment - Google Patents
Industrial preparation nanofiber filtration membrane receiving arrangement and spinning equipment Download PDFInfo
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- CN110983458A CN110983458A CN201911415519.5A CN201911415519A CN110983458A CN 110983458 A CN110983458 A CN 110983458A CN 201911415519 A CN201911415519 A CN 201911415519A CN 110983458 A CN110983458 A CN 110983458A
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- roller
- spinning
- steel belt
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- toothed roller
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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
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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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Abstract
The invention discloses a receiving device and a spinning device for industrially preparing a nanofiber filtering membrane, and relates to the technical field of nanofiber membrane production devices. The invention discloses a receiving device for a filter membrane for industrially preparing nano fibers, which comprises a steel belt, a first driving toothed roller and a second driving toothed roller, wherein at least two driven toothed rollers are arranged between the first driving toothed roller and the second driving toothed roller, spinning rollers are also arranged between two adjacent driven toothed rollers, between the first driving toothed roller and the driven toothed roller and between the second driving toothed roller and the driven toothed roller, a first steel belt guide roller is arranged above the first driving toothed roller, and a second steel belt guide roller is arranged above the second driving toothed roller. The receiving device for the filtering membrane for industrially preparing the nano fibers can be used in needle spinning or needle-free spinning processes, can be adjusted in an increasing and decreasing mode according to actual needs, is suitable for continuous production, can be suitable for large-scale production, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of nanofiber membrane production devices, in particular to a receiving device and a spinning device for industrially preparing nanofiber filtration membranes.
Background
The nanofiber refers to a linear material with a diameter of nanometer scale and a large length and a certain length-diameter ratio, and the diameter of the nanofiber is between 1nm and 100nm in a narrow sense, but the fiber with the fiber diameter of less than 1000nm is called the nanofiber in a broad sense. The nanofiber has extremely high specific surface area due to the extremely fine fiber diameter, so that the nanofiber has extremely high surface adsorption performance; on the other hand, webs, films or nonwovens made of very fine nanofibers have very small pore sizes and very high porosity (low air resistance) and electrostatic retentivity, and thus have been widely used in surface adsorption, filtration and barrier applications, and the like.
At present, there are many methods for manufacturing nanofibers, such as drawing method, template synthesis, self-assembly, microphase separation, electrostatic spinning, etc., among which the electrostatic spinning method is widely used due to its advantages of simple operation, wide application range, relatively high production efficiency, etc. In the actual production process, the electrostatic spinning technology is the only emerging spinning technology which can be used for producing the nanofibers in a large scale and is suitable for preparing various polymer nanofibers, the large-scale electrostatic spinning technology and related electrostatic spinning nanofiber materials are already industrially applied in developed countries, and China just starts to start in this respect and is in the initial stage of research.
The nanofiber prepared by electrostatic spinning has the excellent performances of fine fiber structure, large specific surface area, high porosity, good flexibility, adsorptivity, good filterability and the like, but due to the limitation of the production efficiency of a machine, most nanofiber filter materials cannot be independently formed into films or are difficult to be produced on a large scale. In the aspect of electrostatic spinning scale equipment technology, many enterprises and scientific research institutes pay attention to improvement of needle-free spinning and needle spinning, but the improvement is rarely related to a scale receiving device, but according to research of the inventor, the receiving device is also an important part in continuous production of electrostatic spinning film forming in an actual production process.
Disclosure of Invention
In view of the above problems, the present invention aims to disclose a receiving device and a spinning device for industrially preparing nanofiber filtration membranes, which can be used in both needle spinning and needleless spinning processes, can be adjusted in an increasing and decreasing manner according to actual needs, and are suitable for continuous production, large-scale production and popularization.
Specifically, the receiving device for the filter membrane for the industrial preparation of the nano fibers comprises a steel belt, a first driving toothed roller and a second driving toothed roller, wherein a first driving motor is fixedly connected to the first driving toothed roller and the second driving toothed roller, at least two driven toothed rollers are arranged between the first driving toothed roller and the second driving toothed roller, a spinning roller is further arranged between the first driving toothed roller and the second driving toothed roller, a first steel belt guide roller is arranged above the first driving toothed roller, a second steel belt guide roller is arranged above the second driving toothed roller, the steel belt is sequentially and continuously wound on the first steel belt guide roller, the first driving toothed roller, the spinning roller, the driven toothed roller, the second driving toothed roller and the second steel belt guide roller, and carbon brushes are arranged at positions close to the first driving toothed roller, the second driving toothed roller and the driven toothed roller, and the carbon brushes are in contact with the edge of the steel belt.
Further, the surface of the steel strip is compounded with a conductive metal layer in a mirror electroplating mode.
Further, the metal of the conductive metal layer is any one of silver, chrome-nickel alloy and copper.
Further, the first driving toothed roller, the second driving toothed roller and the driven toothed roller are identical in structure and comprise rotating shafts, and driving gears are mounted at two ends of each rotating shaft. The design of this structure for steel band and first initiative toothed roll, the initiative toothed roll of second, driven toothed roll carry out the in-process that contacts, only drive the part of gear and steel band meshing and effectively contact, and the mid portion of steel band is unsettled, and the effectual spinning fibre of having protected the deposit on the steel band avoids it to suffer destruction.
Furthermore, the width of the steel belt is matched with the lengths of the first driving toothed roller, the second driving toothed roller, the driven toothed roller, the spinning roller, the first steel belt guide roller and the second guide roller, a plurality of transmission through holes are formed in two symmetrical sides of the steel belt and are uniformly arranged along the axial direction of the steel belt, and the distance between every two adjacent transmission through holes is the same as the circumferential distance between every two adjacent gear teeth on the driving gear.
Further, an unwinding roller is installed below the first steel belt guide roller, and a winding roller is installed below the second steel belt guide roller.
Further, the unwinding roller is in contact with the first steel belt guide roller, the winding roller is in contact with the second steel belt guide roller, and extension springs are arranged between the unwinding roller and the first steel belt guide roller and between the winding roller and the second steel belt guide roller. And the first steel belt guide roller and the second steel belt guide roller are used for respectively carrying out friction transmission on the unwinding roller and the winding roller so as to realize synchronous unwinding or winding.
The invention also discloses a spinning device for industrially preparing the nanofiber filtering membrane, which comprises the receiving device and a plurality of needle spinning systems, wherein the number of the needle spinning systems is matched with that of the spinning rollers, and the needle spinning systems and the spinning rollers are arranged at intervals.
Further, syringe needle spinning system includes drive assembly and the spinning part that the transmission is connected, drive assembly includes second driving motor and transmission lead screw, transmission lead screw and second driving motor's output shaft fixed connection, the spinning part includes the base to and two sets of syringe needle subassemblies of fixed mounting on the base, the base spiro union is on transmission lead screw, still be connected with high voltage power supply on the syringe needle subassembly. And the second driving motor is utilized to drive the transmission screw rod to rotate, so that the spinning part can perform reciprocating motion in the horizontal direction.
Further, there is a slide rail at the position fixed mounting that corresponds in the syringe needle subassembly on the base, the slide rail is along the radial extension of base, the syringe needle subassembly includes the support to and feed bin and the spinning syringe needle of fixed mounting on the support, the feed bin is linked together with the spinning syringe needle, support slidable mounting is on the slide rail. Through the setting of slide rail, in the in-process of production, can adjust the position of syringe needle subassembly for the steel band to reach the purpose of adjustment spinning distance.
When the spinning device is adopted to carry out spinning operation, firstly, the spinning needle head is adjusted according to the spinning material and the requirement, so that the spinning distance is adjusted, the second driving motor is started, the high-voltage power supply is started, the set direct-current high voltage is adjusted, the first driving motor is started to drive the first driving toothed roller and the second driving toothed roller to rotate, so that the steel belt is driven to move, at the moment, under the action of the carbon brush, the steel belt is effectively grounded, a stable high-voltage electrostatic field is formed between the steel belt and the high-voltage power supply, the first steel belt guide roller starts to rotate under the action of the steel belt, the unwinding roller is driven to synchronously rotate, the base material or the guide material on the unwinding roller starts spinning along with the steel belt starting to run to the position of the spinning needle head, the material which has been spun is passed into the winding roller along with the running of the steel belt until the steel belt runs to the position, and the second steel belt guide roller drives the winding roller to wind the spun material, so that the whole spinning process is completed.
The invention has the beneficial effects that:
1. the invention discloses a receiving device for a filtering membrane for industrially preparing nano fibers, which can be used for needle spinning or needle-free spinning, can increase or decrease a driven driving gear and a spinning roller according to actual requirements, is suitable for continuous production, can be suitable for large-scale production, and is suitable for popularization and use.
2. The spinning device for industrially preparing the nanofiber filtering membrane is suitable for electrostatic spinning production of various nanofiber membranes, can meet corresponding production requirements by correspondingly adjusting spinning process parameters regardless of single-layer membranes or multi-layer composite membranes, and is flexible in application and wide in application range.
Drawings
FIG. 1 is a schematic structural diagram of a receiving device for a filter membrane for industrial production of nanofibers according to the present invention;
FIG. 2 is a schematic structural diagram of an industrial nanofiber filtration membrane spinning device according to the present invention;
FIG. 3 is a schematic diagram of the needle spinning system of the present invention;
FIG. 4 is a schematic view of the construction of the steel belt and the driven toothed roller of the present invention;
FIG. 5 is a schematic view showing the structures of a first steel strip guide roll and a second steel strip guide roll in the present invention;
the spinning machine comprises a supporting base 1, a steel belt 2, a transmission through hole 21, a first driving toothed roller 3, a second driving toothed roller 4, a driven toothed roller 5, a rotating shaft 51, a driving gear 52, a first support 6, a first driving motor 7, an installation plate 8, a spinning roller 9, a second support 10, a hanger 11, a first steel belt guide roller 12, a second steel belt guide roller 13, an unwinding roller 14, a winding roller 15, an installation frame 16, a carbon brush 17, a needle spinning system 18, a second driving motor 181, a base 182, a support 183, a feeding bin 184 and a spinning needle 185.
Detailed Description
The present invention will be described in detail with reference to specific examples below:
example one
As shown in fig. 1, 4 and 5, the receiving device for industrially preparing nanofiber filtration membranes of the present invention comprises a steel belt 2, a first driving toothed roller 3 and a second driving toothed roller 4, at least two driven toothed rollers 5 are disposed between the first driving toothed roller 3 and the second driving toothed roller 4, two driven toothed rollers 5 are optionally disposed in this embodiment, a first support 6 is disposed between the first driving toothed roller 3, the second driving toothed roller 4 and the driven toothed rollers 5 and the support base 1, the bottom end of the first support 6 is fixedly mounted on the support base 1, the embodiment does not limit the specific mounting manner of the first support 6 and the support base 1, the first support 6 may be fixed to the support base 1 by bolts or by welding. First initiative fluted roller 3, the initiative fluted roller 4 of second and driven fluted roller 5 are installed on the first support 6 that corresponds, it is concrete, first initiative fluted roller 3, the initiative fluted roller 4 of second is the same with the structure of driven fluted roller 5, all include axis of rotation 51, drive gear 52 is all installed at axis of rotation 51's both ends, a plurality of transmission through-holes 21 have been seted up to the relative both sides of steel band 2, a plurality of transmission through-holes 21 set up along the axial align to grid of steel band 2, and the distance between two adjacent transmission through-holes 21 is the same with the circumferential distance between two adjacent teeth of a cogwheel on the drive gear 52, the tooth meshing that drives gear 52 is in transmission through-hole 21, it can drive steel band 2 removal to drive gear 52 rotation. The rotating shafts 51 of the first driving toothed roller 3 and the second driving toothed roller 4 are fixedly connected with first driving motors 7, the rotating shafts 51 of the first driving toothed roller 3 and the second driving toothed roller 4 are respectively connected with the rotating shafts of the corresponding first driving motors 7, and the two first driving motors 7 are the same in steering direction. When the steel strip conveying device is used, the first driving motor 7 is started to drive the first driving toothed roller 3 and the second driving toothed roller 4 to rotate, and the gear teeth on the driving gear 52 are meshed in the transmission through hole 21, so that the first driving toothed roller 3 and the second driving toothed roller 4 can drive the steel strip 2 to move.
The installation plate 8 is fixedly arranged above the first driving toothed roller 3, the second driving toothed roller 4 and the driven toothed roller 5, the spinning rollers 9 are further arranged between the two adjacent driven toothed rollers 5, the first driving toothed roller 3 and the driven toothed roller 5, the second driving toothed roller 4 and the driven toothed roller 5, the second support 10 is installed between the spinning rollers 9 and the installation plate 8, the bottom end of the second support 10 is fixedly installed on the installation plate 8, the specific installation mode of the second support 10 and the installation plate 8 is not limited in the embodiment, the second support 10 can be fixed through bolts or welded, the second support 10 can be fixedly installed on the installation plate 8, and the spinning rollers 9 are fixedly installed on the corresponding second supports 10. A hanging bracket 11 is fixedly arranged above the first driving toothed roller 3, a first steel belt guide roller 12 and an unwinding roller 14 are arranged on the hanging bracket 11, the unwinding roller 14 is positioned below the first steel belt guide roller 12, and the surfaces of the first steel belt guide roller 12 and the unwinding roller 14 are in contact and the axes of the first steel belt guide roller 12 and the unwinding roller 14 are parallel. A hanging bracket 11 is also fixedly arranged above the second driving toothed roller 4, a second steel belt guide roller 13 and a winding roller 15 are arranged on the hanging bracket 11 above the second driving toothed roller 4, the winding roller 15 is positioned below the second steel belt guide roller 13, and the surfaces of the second steel belt guide roller 13 and the winding roller 15 are in contact and the axial leads are parallel. Extension springs are respectively arranged between the unreeling roller 14 and the first steel belt guide roller 12 and between the reeling roller 15 and the second steel belt guide roller 13, so that the first steel belt guide roller 12 and the unreeling roller 14 and the second steel belt and the reeling roller 15 can be always kept in contact with each other, and the first steel belt guide roller 12 and the second steel belt guide roller 13 are used for respectively carrying out friction transmission on the unreeling roller 14 and the reeling roller 15, so that synchronous unreeling or reeling is realized; width and the first initiative fluted roller 3 of steel band 2, the second initiative fluted roller 4, driven fluted roller 5, spinning roller 9, first steel band guide roller 12, the length homogeneous phase of second guide roller 13 matches, steel band 2 is in proper order around establishing at first steel band guide roller 12 in succession, first initiative fluted roller 3, spinning roller 9, driven fluted roller 5, the second initiative fluted roller 4, 13 on the second steel band guide roller, and all be provided with the hole in the position that steel band 2 corresponds on the mounting panel 8, the width size who passes the hole is greater than the thickness size of steel band 2, length size is greater than the width size of steel band 2, make things convenient for steel band 2 to pass through, and can not influence the spinning fibre of deposit on steel band 2. The installation rack 16 is installed at a position close to the first driving toothed roller 3, the second driving toothed roller 4 and the driven toothed roller 5, one end of the installation rack 16 is fixedly installed on the supporting base 1, the other end of the installation rack is fixedly installed with a carbon brush 17, the carbon brush 17 is in contact with the edge of the steel belt 2 on the corresponding first driving toothed roller 3, the second driving toothed roller 4 and the driven toothed roller 5, so that the steel belt 2 can be effectively grounded, and therefore the steel belt 2 and the spinning needle head system form a relatively strong and stable electric field when electrostatic spinning is carried out, in addition, a copper spring can be connected between the carbon brush 17 and the installation rack 16, and the elastic capacity of the copper spring is utilized, so that the position of the carbon brush 17 can be adjusted within a certain range, and the running stability of the device is ensured to a certain degree, in the embodiment, the installation rack 16 and the supporting base 1, the installation rack 16 and the copper spring, The concrete mounting mode between copper spring and carbon brush 17 is injectd, can adopt welding etc. as long as can be with mounting bracket 16 fixed mounting on supporting base 1, copper spring fixed mounting on mounting bracket 16, carbon brush fixed mounting on the copper spring, and can make the steel band can effective ground connection can.
Example two
As shown in fig. 2 and fig. 3, the spinning device for industrially preparing nanofiber filtration membranes according to the present invention comprises a receiving device as described in the first embodiment and a plurality of needle spinning systems 18, the number of the needle spinning systems 18 matches the number of the spinning rollers 9, and the needle spinning systems 18 are installed at intervals with the spinning rollers 9. The spinning device of the embodiment is matched with the receiving device of the first embodiment, four groups of needle spinning systems 18 are provided, each needle spinning system 18 comprises a driving part and a spinning part which are in transmission connection, each driving part comprises a second driving motor 181 and a transmission lead screw (not shown in the figure), each transmission lead screw is fixedly connected with an output shaft of the second driving motor 181, each spinning part comprises a base 182 and two groups of needle assemblies which are fixedly installed on the base 182, each base 182 is made of an effectively insulated epoxy resin plate or an bakelite plate, each base 182 is in threaded connection with each transmission lead screw, each transmission lead screw is driven to rotate through the second driving motor 181, so that each spinning part can reciprocate on the corresponding transmission lead screw, each needle assembly is also connected with a high-voltage power supply (not shown in the figure) and is used for forming an electrostatic field with the receiving device, a sliding rail is fixedly installed on the base 182 at a position corresponding to, the slide rail extends in a radial direction of the base 182. Specifically, the needle assembly comprises a frame 183, the frame, a supply bin 184 and a spinning needle 185 which are fixedly arranged on the frame 183, the supply bin 184 is communicated with the spinning needle 185, and the frame 183 is slidably arranged on a sliding rail. Through the setting of slide rail, in the in-process of production, can adjust the position of syringe needle subassembly for steel band 2 to reach the purpose of adjustment spinning distance, can set up two sets of feed bins 184 and spinning syringe needle 185 simultaneously on a support 183 in addition, can improve spinning efficiency to this to a certain extent.
The use method of the spinning device comprises the following steps:
when the spinning device of the invention is adopted to carry out spinning operation, firstly, according to the spinning material and the requirement, the spinning needle 185 is adjusted, so that the spinning distance is adjusted, the second driving motor 181 is started, the high-voltage power supply is started, the set direct-current high voltage is adjusted, the first driving motor 7 is started, the first driving toothed roller 3 and the second driving toothed roller 4 are driven to rotate, so as to drive the steel belt 2 to move, at the moment, under the action of the carbon brush 17, the steel belt 2 is effectively grounded, a stable high-voltage electrostatic field is formed between the steel belt 2 and the high-voltage power supply, under the action of the steel belt 2, the first steel belt guide roller 12 starts to rotate, and simultaneously drives the unwinding roller 14 to synchronously rotate, the base material or the guide material on the unwinding roller 14 starts to move to the position of the spinning needle 185 along with the steel belt 2, starts to move along with the steel belt 2 until the steel belt 2 moves to the position of the, and (3) penetrating the spun material into a winding roller 15, and driving the winding roller 15 to wind the spun material by a second steel belt guide roller 13 to finish the whole spinning process.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The receiving device for the filter membrane for industrially preparing the nano fibers is characterized by comprising a steel belt, a first driving toothed roller and a second driving toothed roller, wherein the first driving toothed roller and the second driving toothed roller are fixedly connected with a first driving motor, at least two driven toothed rollers are arranged between the first driving toothed roller and the second driving toothed roller, spinning rollers are further arranged between the first driving toothed roller and the second driving toothed roller, a first steel belt guide roller is arranged above the first driving toothed roller, a second steel belt guide roller is arranged above the second driving toothed roller, the steel belt is sequentially and continuously wound on the first steel belt guide roller, the first driving toothed roller, the spinning rollers, the driven toothed rollers, the second driving toothed roller and the second steel belt guide roller, and carbon brushes are arranged at positions close to the first driving toothed roller, the second driving toothed roller and the driven toothed roller, and the carbon brushes are in contact with the edge of the steel belt.
2. The receiving device for the industrial production of the nanofiber filtering membrane as claimed in claim 1, wherein the surface of the steel belt is compounded with the conductive metal layer by means of mirror plating.
3. The receiving device for the industrial production nanofiber filtering membrane as claimed in claim 2, wherein the metal of the conductive metal layer is any one of silver, chrome-nickel alloy and copper.
4. The receiving device for the industrial production nanofiber filtering membrane as claimed in claim 1, wherein the first driving toothed roller, the second driving toothed roller and the driven toothed roller have the same structure and comprise rotating shafts, and driving gears are mounted at two ends of each rotating shaft.
5. The receiving device for the filter membrane used for the industrial production of the nano fibers according to claim 4, wherein the width of the steel belt is matched with the lengths of the first driving toothed roller, the second driving toothed roller, the driven toothed roller, the spinning roller, the first steel belt guide roller and the second guide roller, a plurality of transmission through holes are formed in symmetrical two sides of the steel belt, the plurality of transmission through holes are uniformly arranged along the axial direction of the steel belt, and the distance between two adjacent transmission through holes is the same as the circumferential distance between two adjacent gear teeth on the driving gear.
6. The industrial production nanofiber filtering membrane receiving device according to claim 3, wherein an unwinding roller is installed below the first steel belt guide roller, and a winding roller is installed below the second steel belt guide roller.
7. The receiving device for the industrial production nanofiber filtering membrane according to claim 6, wherein the unwinding roller is in contact with the first steel belt guide roller and the winding roller is in contact with the second steel belt guide roller, and the tension springs are respectively installed between the unwinding roller and the first steel belt guide roller and between the winding roller and the second steel belt guide roller.
8. An industrial production nanofiber filtering membrane spinning device, which is characterized by comprising the receiving device as claimed in any one of claims 1 to 8, and further comprising a plurality of needle spinning systems, wherein the number of the needle spinning systems is matched with that of the spinning rollers, and the needle spinning systems and the spinning rollers are arranged at intervals.
9. The spinning device for industrial production of nanofiber filtering membranes according to claim 8, wherein the needle spinning system comprises a driving part and a spinning part which are in transmission connection, the driving part comprises a second driving motor and a transmission screw rod, the transmission screw rod is fixedly connected with an output shaft of the second driving motor, the spinning part comprises a base and two groups of needle assemblies fixedly installed on the base, the base is in threaded connection with the transmission screw rod, and the needle assemblies are further connected with a high-voltage power supply.
10. The spinning apparatus for industrial production of nanofiber filtering membrane according to claim 9, wherein a slide rail is fixedly installed on the base at a position corresponding to the needle assembly, the slide rail extends along a radial direction of the base, the needle assembly comprises a frame, and a supply bin and a spinning needle which are fixedly installed on the frame, the supply bin is communicated with the spinning needle, and the frame is slidably installed on the slide rail.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415519.5A CN110983458A (en) | 2019-12-31 | 2019-12-31 | Industrial preparation nanofiber filtration membrane receiving arrangement and spinning equipment |
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| CN201911415519.5A CN110983458A (en) | 2019-12-31 | 2019-12-31 | Industrial preparation nanofiber filtration membrane receiving arrangement and spinning equipment |
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| CN110983458A true CN110983458A (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026123A (en) * | 2021-01-28 | 2021-06-25 | 哈尔滨工业大学（深圳） | Rotating device and electrostatic spinning device |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026123A (en) * | 2021-01-28 | 2021-06-25 | 哈尔滨工业大学（深圳） | Rotating device and electrostatic spinning device |
| CN113026123B (en) * | 2021-01-28 | 2022-04-01 | 哈尔滨工业大学（深圳） | Rotating device and electrostatic spinning device |
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