CN112481710B - Adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabric - Google Patents
Adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabric Download PDFInfo
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- CN112481710B CN112481710B CN202011300594.XA CN202011300594A CN112481710B CN 112481710 B CN112481710 B CN 112481710B CN 202011300594 A CN202011300594 A CN 202011300594A CN 112481710 B CN112481710 B CN 112481710B
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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
-
- 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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- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses an adjustable multi-nozzle single-piece blending electrostatic spinning device for special-shaped fabric, which comprises a bottom plate, wherein a supporting rod is fixedly connected to the surface of one side of the bottom plate, a connecting plate is fixedly arranged at the other end of the supporting rod, a connecting rod is fixedly connected to the surface of one side of the connecting plate, an inner ring is fixedly connected to the other end of the connecting rod, a middle rod is fixedly connected to the surface of the other side of the inner ring, an outer ring is fixedly arranged at the other end of the middle rod, notches are formed in the same sides of the inner ring and the outer ring, and nozzles are slidably arranged on the side surfaces of the inner ring and the outer ring. The adjustable multi-nozzle single-piece blending electrostatic spinning device for the special-shaped fabric is convenient to arrange and install circumferentially, facilitates adjusting the spacing, reduces the occupied space, facilitates collecting spinning, and improves the blending effect.
Description
Technical Field
The invention relates to the field of electrostatic spinning, in particular to an adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabric.
Background
In the production process of the existing spinning industry, the electrostatic spinning device is more and more commonly used, materials are sprayed out through electrostatic guidance, superfine fiber yarns can be formed, the production and the processing are facilitated, and the multi-nozzle spinning device is most widely applied.
But current many shower nozzles spinning equipment arranges the shower nozzle permutation together, and the shower nozzle does not have adjustable structure, is unfavorable for not only adjusting mutual interval like this, influences the spinning quality because static mutual interference easily to the straight line space who occupies is great, is unfavorable for concentrating the collection, also can't effectively protect local interference simultaneously, and stability is not enough, remains to improve.
At present, fabrics obtained by electrostatic spinning are planar, and when special-shaped fabrics are needed, later-stage cutting, sewing or heat setting treatment is needed, and the original structures of the fabrics and the structural strength of fabrics are damaged by the above operations. In addition, when electrostatic spinning is carried out at present, if blending is carried out, different materials can only be mixed layer by layer, and multiple materials cannot be continuously output on the same fiber, so that the produced fabric is easy to delaminate and fall off after being worn for a long time, and the service life is short.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an adjustable multi-nozzle single-piece blending electrostatic spinning device for special-shaped fabrics.
In order to solve the above problems, the present invention adopts the following technical solutions.
An adjustable multi-nozzle single-blending electrostatic spinning device for special-shaped fabric comprises a bottom plate, wherein a support rod is vertically and fixedly arranged on the upper end face of the bottom plate, a connecting plate is fixedly arranged at the top end of the support rod, a connecting rod is transversely and fixedly arranged on the connecting plate, the connecting rod is fixedly connected with an inner ring, an outer ring is fixedly arranged on the inner ring through a transversely arranged middle rod, the distance between the inner ring and the outer ring is the same, and openings are respectively arranged on the same side of the inner ring and the outer ring and used for loading an adjusting frame;
the adjusting frame is provided with a U-shaped structure, the opening of the U-shaped structure of the adjusting frame faces the supporting rod, an inner side through hole and an outer side through hole are formed in the two side plates of the adjusting frame, the outer ring penetrates through the outer side through hole, and the inner ring penetrates through the inner side through hole, so that the inner ring, the outer ring and the adjusting frame are connected in a sliding mode;
an elastic plate which is sunken towards the inner ring is arranged on the U-shaped structure opening of the adjusting frame, a rubber plate is fixedly arranged on one side of the elastic plate, which faces the inner ring, the rubber plate is abutted against the side surface of the inner ring, the adjusting frame is tensioned towards the direction of the supporting rod through the elastic plate, and the relative positions of the inner ring, the outer ring and the adjusting frame are locked through the friction force of the rubber plate and the inner ring;
the spray head is arranged in the adjusting frame, and two sides of the spray head are respectively connected with two sides of the adjusting frame through damping shafts, so that the spray head can swing and adjust along the radial direction of the supporting shaft; the spray head comprises a feeding pump, the feeding pump comprises at least two feeding ports and a discharging port, the feeding ports of the feeding pump feed at least two spinning materials, the outlet of the feeding pump is fixedly provided with a spray pipe through a locking sleeve, the spray pipe is sleeved with a connecting coil, and the connecting coil is connected with a controller;
the bracing piece on still fixedly connected with connect the flitch, connect the flitch to include the backup pad, the sealed swash plate that is provided with in backup pad, be equipped with the cavity between backup pad and the swash plate, this cavity and aspiration pump intercommunication, this cavity still with evenly set up the inlet scoop intercommunication on the swash plate, evenly be equipped with the electrode on the swash plate, the electrode is connected with the controller, detain on the swash plate by the special-shaped template of metal mesh establishment to be connected with the electrode.
Furthermore, the outer surface of the special-shaped template woven by the metal mesh is wrapped by a smooth fabric.
Furthermore, the inner surface of the special-shaped template is provided with a plurality of pointed cones for accumulating electrons to form an electric field.
Furthermore, the inner ring and the outer ring are of a concentric ring structure, the cross sections of the inner ring and the outer ring are rectangular, and the upper end face and the lower end face of the inner ring and the upper end face of the outer ring are flush with each other.
Furthermore, a fixing seat is arranged at the edge of the bottom plate and is hinged with the lower end of the positioning rod.
Furthermore, the top end of the positioning rod is inserted into the insertion hole at the bottom of the annular plate, and the annular plate is used for sleeving the material receiving plate in the inner hole.
Furthermore, the bottom of the annular plate is fixedly connected with the top of the folding sleeve, and the bottom of the folding sleeve is fixedly connected to the upper end face of the bottom plate.
Furthermore, the connecting rod and the middle rod are coaxially arranged, so that the adjusting frame has more adjusting space.
Further, the folding sleeve is a corrugated pipe supported by a metal mesh and used for shielding an electric field.
Compared with the prior art, the invention has the advantages that:
1. the inner ring and the outer loop are installed through the bracing piece that the bottom plate is connected to this scheme, combine the opening structure of side, can be at a plurality of shower nozzles of different position slidable mounting, and then support the location through the alignment jig, make things convenient for the circumference installation of arranging, do benefit to the spacing, reduce and occupy space, do benefit to simultaneously and collect the spinning, and is stable high-efficient.
2. The adjusting frame is provided with an elastic plate for tensioning the adjusting frame, the inner ring and the outer ring, the relative positions of the adjusting frame and the inner ring are locked through the friction force of the rubber plate and the inner ring, and the spray head is connected with the adjusting frame through the damping shaft, so that the spray direction of the spray head can be adjusted along the radial swing of the supporting rod.
3. The inclined plate is arranged on the material receiving plate, and the inclined surface of the inclined plate is opposite to the spraying direction of the spray head, so that electrostatic material receiving is facilitated, and the spinning collection efficiency is improved.
4. The inner cavity of the material receiving plate is communicated with an air pump, and downward air flow is formed on the surface of the inclined plate through the air pump to guide the movement direction of the fibers.
5. The shape of the special-shaped fabric is determined through the special-shaped template, the special-shaped template is made of a metal net, electrons are collected through connection with the electrodes to form an electric field, fibers sprayed out by the spray head are attached to the surface of the template under the action of the electric field, and therefore the special-shaped fabric is formed, the fabric is even in thickness, and later-period use does not need cutting, sewing or thermoplasticity.
6. Through connecting folding sleeve in annular plate bottom, do benefit to the expansion protection, can fold the shrink simultaneously and deposit, avoid interfering and collect the spinning, it is stable high-efficient.
7. The shower nozzle feed inlet is thrown and is fed multiple raw materialss, through the feed pump operation, the continuous fibre of the continuous follow spray tube blowout of different materials for there are multiple materials on same root fibre, reach the blending effect, this blending effect compares with current blending process, has the characteristics that the layering is difficult for droing, mixes more evenly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabrics, which is disclosed by the invention;
FIG. 2 is a partial schematic view of a top view structure of the nozzle connection of the adjustable multi-nozzle single-blending electrostatic spinning device for the special-shaped fabric;
FIG. 3 is an enlarged view of the guide ring attachment of FIG. 2 in accordance with the present invention at location A;
FIG. 4 is a partial schematic view of the connection of the annular plates of the adjustable multi-nozzle single-piece blending electrostatic spinning device for the special-shaped fabric;
FIG. 5 is a schematic view of a nozzle structure of the adjustable multi-nozzle single-piece blending electrostatic spinning device for the special-shaped fabric;
FIG. 6 is a schematic diagram of a three-dimensional structure of an adjusting rack of the adjustable multi-nozzle single-piece blending electrostatic spinning device for special-shaped fabrics.
The scores in the figures are as follows:
1 bottom plate, 11 support rods, 12 connecting plates, 13 connecting rods, 14 inner rings, 15 middle rods, 16 outer rings, 161 notches, 17 spray heads, 18 damping shafts, 19 adjusting frames, 191 rubber plates, 192 elastic plates, 193 inner side through holes, 194 outer side through holes, 2 material receiving plates, 21 support plates, 22 inclined plates, 23 positioning rods, 24 special-shaped templates, 25 annular plates, 26 air suction ports, 27 electrodes, 28 folding sleeves, 29 fixing seats, 251 jacks, 171 feeding pumps, 172 locking sleeves, 173 spray pipes, 174 connecting coils, 20 suction pumps and 241 pointed cones.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is to be understood that the embodiments described are merely exemplary embodiments, rather than exemplary embodiments, and that all other embodiments may be devised by those skilled in the art without departing from the scope of the present invention.
Referring to fig. 1-6, a support rod 11 is vertically and fixedly arranged on the upper end surface of the bottom plate 1, a connecting plate 12 is fixedly arranged at the top end of the support rod 11, a connecting rod 13 is transversely and fixedly arranged on the connecting plate 12, the connecting rod 13 is fixedly connected with an inner ring 14, the inner ring 14 is fixedly provided with an outer ring 16 through a transversely arranged middle rod 15, the inner ring 14 and the outer ring 16 have the same distance, and the inner ring 14 and the outer ring 16 are respectively provided with a notch 161 at the same side, and the notches 161 are used for loading an adjusting frame 19.
As shown in fig. 3 and 6, the adjusting bracket 19 has a U-shaped structure, the U-shaped structure of the adjusting bracket 19 is opened toward the supporting rod 11, and the two side plates of the adjusting bracket 19 are provided with an inner side through hole 193 and an outer side through hole 194, wherein the outer ring 16 passes through the outer side through hole 194, and the inner ring 14 passes through the inner side through hole 193, so that the inner ring 14, the outer ring 16 and the adjusting bracket 19 are slidably connected with each other.
An elastic plate 192 which is sunken towards the inner ring 14 is arranged on the U-shaped structure opening of the adjusting frame 19, a rubber plate 191 is fixedly arranged on one side of the elastic plate 192, which faces the inner ring 14, the rubber plate 191 is abutted against the side face of the inner ring 14, the adjusting frame 19 is tensioned towards the support rod 11 through the elastic plate 192, and the relative positions of the inner ring 14, the outer ring 16 and the adjusting frame 19 are locked through the friction force of the rubber plate 191 and the inner ring 14.
The spray head 17 is arranged in the adjusting frame 19, and two sides of the spray head 17 are respectively connected with two sides of the adjusting frame 19 through the damping shafts 18, so that the spray head 17 can swing and adjust along the radial direction of the supporting shaft.
As shown in fig. 5, the nozzle 17 includes a supply pump 171, the supply pump 171 includes at least two inlets and one outlet, the inlets of the supply pump 171 at least feed two kinds of spinning materials, the outlet of the supply pump 171 is fixedly installed with a nozzle 173 through a locking sleeve 172, a connection coil 174 is sleeved on the nozzle 173, and the connection coil 174 is connected with a controller to generate an electric field.
The locking sleeve 172 is screwed to the housing of the feed pump 171, and the inner cavity of the locking sleeve 172 presses the protruding ring on the upper end of the nozzle 173, thereby achieving the locking effect.
As shown in fig. 1, the support rod 11 on still fixedly connected with connect flitch 2, connect flitch 2 including backup pad 21, the sealed swash plate 22 that is provided with on the backup pad 21, be equipped with the cavity between backup pad 21 and the swash plate 22, this cavity communicates with aspiration pump 20, this cavity still communicates with the inlet scoop 26 that evenly sets up on the swash plate 22, evenly be equipped with electrode 27 on the swash plate 22, electrode 27 is connected with the controller, special-shaped template 24 by the metal mesh is detained on the swash plate 22, and is connected with electrode 27, form the electric field on special-shaped template 24, this electric field is opposite with the electric field on the spray tube, the fibre of blowout is guided under the electric field effect and is tiled to special-shaped template 24 surfaces on the spray tube.
As shown in figure 1, the outer surface of the special-shaped template 24 woven by the metal mesh is wrapped by smooth fabric, such as silk, so that the special-shaped fabric is convenient to peel. The inner surface of the special-shaped template 24 is provided with a plurality of pointed cones 241 for accumulating electrons to form an electric field, the electric field is reliable and durable and is not easy to be damaged by utilizing the characteristic that the pointed cones 241 accumulate charges easily, and fibers can fall into the grooves more easily by arranging the pointed cones 241 in the concave area of the special-shaped template 24, so that the special-shaped fabric is uniform in thickness.
As shown in fig. 2, the inner ring 14 and the outer ring 16 are concentric circular ring structures, the cross sections of the inner ring 14 and the outer ring 16 are rectangular, and the upper end surface and the lower end surface of the inner ring 14 and the outer ring 16 are flush.
As shown in fig. 4, a fixing seat 29 is provided at the edge of the bottom plate 1, and the fixing seat 29 is hinged to the lower end of the positioning rod 23. The top end of the locating rod 23 is inserted into the insertion hole 251 at the bottom of the annular plate 25, and the annular plate 25 sleeves the material receiving plate 2 in the inner hole. The bottom of the annular plate 25 is fixedly connected with the top of the folding sleeve 28, and the bottom of the folding sleeve 28 is fixedly connected with the upper end face of the bottom plate 1.
As shown in fig. 2, the connecting rod 13 and the intermediate rod 15 are coaxially arranged, so that the adjusting bracket 19 has more adjusting space.
As shown in fig. 4, the folding sleeve 28 is a corrugated pipe supported by a metal mesh, and is used for shielding electric field interference from the outside and preventing leakage of an internal electric field.
During the use, can install the shower nozzle 17 in the track that inner ring 14 and outer ring 16 are constituteed from opening 161 position, combine adjusting bracket 19 joint support, make the shower nozzle can arrange along the circumference, and adjust injection angle and position, then elastic plate and offset plate top are tight to be fixed a position, easy to assemble, avoid the mutual interference influence, reduce the sharp space simultaneously, do benefit to and arrange and spinning operation, then can be connected to locating lever 23 on annular plate 25 through jack 251, can expand the folding sleeve 28 of bottom and form a protection section of thick bamboo, and then protect shower nozzle 17 and material receiving plate 2 inside, avoid external environment to interfere the influence, safety and stability, do benefit to the spinning, convenient processing is used.
When the sprayer works, the controller controls the feed pump 171 to open and close the feed ports, exactly one feed port is opened at a time, and through the periodic opening and closing of the feed ports, the materials of different parts of the same fiber are different, for example, A, B feed ports are totally provided, A, B feed materials C and D, A and B feed ports are opened at intervals, and then the material distribution on one fiber produced by the sprayer is C-D-C-D-C-D … … -C-D.
The conventional blending technology refers to weaving a plurality of materials together, specifically to the electrostatic spinning technology, because the materials are spun into fabrics in a spraying mode, such as common non-woven fabrics, melt-blown fabrics on masks and the like, which are manufactured by the electrostatic spinning technology, the blending technology for electrostatic spinning in the prior art is realized by spraying fibers of different materials in a layering mode for many times, however, the various materials in the blending mode are separated and layered, the materials are not tightly combined, and the materials are easy to delaminate and fall off.
According to the invention, different materials are blended on the same fiber in sections, and after the fiber is made into a fabric, different fibers among the materials are mutually crossed, have more contact points, are tightly combined, are more uniformly mixed and are not easy to be layered.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (9)
1. The utility model provides a single blending electrostatic spinning device of adjustable many shower nozzles for special-shaped fabric, includes bottom plate (1), its characterized in that: a support rod (11) is vertically and fixedly arranged on the upper end face of the bottom plate (1), a connecting plate (12) is fixedly arranged at the top end of the support rod (11), a connecting rod (13) is transversely fixed on the connecting plate (12), the connecting rod (13) is fixedly connected with an inner ring (14), the inner ring (14) is fixedly provided with an outer ring (16) through a transversely arranged middle rod (15), the distance between the inner ring (14) and the outer ring (16) is the same, notches (161) are respectively arranged on the same side of the inner ring (14) and the outer ring (16), and the notches (161) are used for loading an adjusting frame (19);
the adjusting frame (19) is of a U-shaped structure, the opening of the U-shaped structure of the adjusting frame (19) faces the supporting rod (11), two side plates of the adjusting frame (19) are provided with an inner side through hole (193) and an outer side through hole (194), the outer ring (16) penetrates through the outer side through hole (194), and the inner ring (14) penetrates through the inner side through hole (193), so that the inner ring (14), the outer ring (16) and the adjusting frame (19) are connected in a sliding mode;
an elastic plate (192) which is sunken towards the inner ring (14) is arranged on an opening of the U-shaped structure of the adjusting frame (19), a rubber plate (191) is fixedly arranged on one side, facing the inner ring (14), of the elastic plate (192), the rubber plate (191) is abutted against the side face of the inner ring (14), the adjusting frame (19) is tensioned towards the supporting rod (11) through the elastic plate (192), and the relative positions of the inner ring (14), the outer ring (16) and the adjusting frame (19) are locked through the friction force between the rubber plate (191) and the inner ring (14);
a spray head (17) is arranged in the adjusting frame (19), and two sides of the spray head (17) are respectively connected with two sides of the adjusting frame (19) through damping shafts (18), so that the spray head (17) can swing and adjust along the radial direction of the supporting shaft; the spray head (17) comprises a feeding pump (171), the feeding pump (171) comprises at least two feeding ports and a discharging port, the feeding ports of the feeding pump (171) feed at least two spinning materials, a spraying pipe (173) is fixedly installed at the outlet of the feeding pump (171) through a locking sleeve (172), a connecting coil (174) is sleeved on the spraying pipe (173), and the connecting coil (174) is connected with a controller;
bracing piece (11) on still fixedly connected with connect flitch (2), connect flitch (2) including backup pad (21), backup pad (21) upper seal is provided with swash plate (22), be equipped with the cavity between backup pad (21) and swash plate (22), this cavity and aspiration pump (20) intercommunication, this cavity still communicates with inlet scoop (26) of evenly setting on swash plate (22), evenly be equipped with electrode (27) on swash plate (22), electrode (27) are connected with the controller, special-shaped template (24) of being worked out by the metal mesh are detained on swash plate (22) to be connected with electrode (27).
2. The adjustable multi-nozzle single-blending electrostatic spinning device for the special-shaped fabric according to claim 1, which is characterized in that: the outer surface of the special-shaped template (24) woven by the metal mesh is wrapped with smooth fabric.
3. The adjustable multi-nozzle single-fiber blending electrostatic spinning device for the special-shaped fabric according to claim 1, characterized in that: the inner surface of the special-shaped template (24) is provided with a plurality of pointed cones (241) for accumulating electrons to form an electric field.
4. The adjustable multi-nozzle single-fiber blending electrostatic spinning device for the special-shaped fabric according to claim 1, characterized in that: the inner ring (14) and the outer ring (16) are of concentric ring structures, the cross sections of the inner ring (14) and the outer ring (16) are rectangular, and the upper end face and the lower end face of the inner ring (14) and the upper end face of the outer ring (16) are flush with each other respectively.
5. The adjustable multi-nozzle single-fiber blending electrostatic spinning device for the special-shaped fabric according to claim 1, characterized in that: the edge of the bottom plate (1) is provided with a fixed seat (29), and the fixed seat (29) is hinged with the lower end of the positioning rod (23).
6. The adjustable multi-nozzle single-blending electrostatic spinning device for the special-shaped fabric, which is used as the claim 5, is characterized in that: the top end of the positioning rod (23) is inserted into an insertion hole (251) at the bottom of the annular plate (25), and the annular plate (25) is used for sleeving the material receiving plate (2) in the inner hole.
7. The adjustable multi-nozzle single-fiber blending electrostatic spinning device for the special-shaped fabric according to claim 6, characterized in that: the bottom of the annular plate (25) is fixedly connected with the top of the folding sleeve (28), and the bottom of the folding sleeve (28) is fixedly connected with the upper end face of the bottom plate (1).
8. The adjustable multi-nozzle single-blending electrostatic spinning device for the special-shaped fabric according to claim 1, which is characterized in that: the connecting rod (13) and the middle rod (15) are coaxially arranged, so that the adjusting frame (19) has more adjusting space.
9. The adjustable multi-nozzle single-blending electrostatic spinning device for the special-shaped fabric, according to claim 7, is characterized in that: the folded sleeve (28) is a corrugated tube supported by a metal mesh for shielding an electric field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011300594.XA CN112481710B (en) | 2020-11-19 | 2020-11-19 | Adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabric |
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| CN202011300594.XA CN112481710B (en) | 2020-11-19 | 2020-11-19 | Adjustable multi-nozzle single-fiber blending electrostatic spinning device for special-shaped fabric |
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| CN112481710B true CN112481710B (en) | 2022-07-22 |
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| CN107042182A (en) * | 2017-06-22 | 2017-08-15 | 江苏蔚金汽车零部件有限公司 | A kind of Spray painting tool of elongated automotive upholstery |
| CN110219061A (en) * | 2019-06-26 | 2019-09-10 | 广东工业大学 | More ejecting devices and electrospinning device for electrostatic spinning |
| CN110656381A (en) * | 2019-10-24 | 2020-01-07 | 季华实验室 | Multifunctional liquid supply rotary electrostatic spinning equipment |
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Effective date of registration: 20221102 Address after: 201306 Building 4, No. 980, Pinghai Road, Lingang New Area, Pudong New Area (Shanghai) Pilot Free Trade Zone, Shanghai Patentee after: Shanghai Rongrong New Material Technology Co.,Ltd. Address before: 510000 315, room 3, 3, martyrs Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU CHUQU TECHNOLOGY CO.,LTD. |