CN110306247B - Centrifugal spinning system for sheath-core fibers - Google Patents
Centrifugal spinning system for sheath-core fibers Download PDFInfo
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- CN110306247B CN110306247B CN201910449390.3A CN201910449390A CN110306247B CN 110306247 B CN110306247 B CN 110306247B CN 201910449390 A CN201910449390 A CN 201910449390A CN 110306247 B CN110306247 B CN 110306247B
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- 239000000835 fiber Substances 0.000 title claims abstract description 99
- 238000009987 spinning Methods 0.000 title claims abstract description 71
- 238000002347 injection Methods 0.000 claims abstract description 103
- 239000007924 injection Substances 0.000 claims abstract description 103
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000011162 core material Substances 0.000 claims description 277
- 239000010985 leather Substances 0.000 claims description 174
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
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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
- D01D5/18—Formation of filaments, threads, or the like by means of rotating spinnerets
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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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Prostheses (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model provides a fibrous centrifugation system of spinning of skin core, including the ring dish of ventilating, the end concave dish, the core rotates the container, the core injection tube, the skin rotates the container, skin injection tube and collection pole, the core rotates the inside that the container is located the skin and rotates the container, the skin rotates the container, the end concave dish is located the top of the ring dish chamber of ventilating in the ring dish respectively, the below, core injection tube, skin injection tube rotate the container with the core respectively, the skin rotates the side wall of container and is connected, skin injection tube cover is in the outside of core injection tube, the bottom of the dwang of skin rotation container bottom connection extends to under the end concave dish behind ring dish chamber, the end concave dish in proper order. The design can generate spinning fiber with a sheath-core structure, can supplement materials on line, has high product quality, and has strong guidance, good collection effect and strong adjustability.
Description
Technical Field
The invention relates to a centrifugal spinning technology, belongs to the technical field of spinning, and particularly relates to a centrifugal spinning system for sheath-core fibers, which is particularly suitable for obtaining and collecting spinning fibers with sheath-core structures in a centrifugal spinning mode.
Background
The nano fiber is superfine fiber with the diameter of dozens to hundreds of nanometers, and is widely applied to the fields of textile materials, tissue engineering scaffolds, drug transmission, filter media, artificial blood vessels, biochips, nano sensors, optics, composite materials and the like. The method for preparing the nanofibers comprises a drawing method, microphase separation, template synthesis, self-assembly, electrostatic spinning, centrifugal spinning and the like, wherein the centrifugal spinning is a method in which polymer melt or solution is thrown out of fine holes by means of centrifugal force and shearing force generated by a high-speed rotating device to form fibers.
The utility model discloses an authorization notice number is CN205617001U, the authorization notice day is 2016 year 10 month 5 days' utility model discloses a centrifugal spinning device, it includes the motor, spinning head and collection stick, the spinning head is installed at the pivot top of motor and is driven by the motor and rotate, the cavity that holds the dope in the spinning head has, the spinning head top is equipped with annotates the liquid mouth, the spinning head lateral wall is equipped with the spinneret orifice with the cavity intercommunication, it sets up around the spinning head round to collect the stick, in the application, the spinning head is driven by the motor and is rotated, the dope is spout from the spinneret orifice of spinning head, move between spinneret orifice and collection stick and obtain tensile, the solvent volatilizees simultaneously, form the fibre, receive through collecting the stick and obtain the fibre membrane. Although this design enables centrifugal spinning to obtain fibers, it still has the following drawbacks:
the design can only generate spinning fiber with a single structure, and can not meet the requirement of the prior art on the spinning fiber with a skin-core structure, namely the spinning fiber with an inner structure and an outer structure can not be produced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the patent application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defects and problems that the skin-core structure spinning fiber cannot be generated in the prior art, and provides a centrifugal spinning system for the skin-core fiber, which can generate the skin-core structure spinning fiber.
In order to achieve the above purpose, the technical solution of the invention is as follows: a centrifugal spinning system for sheath-core fibers comprises a core rotating container, a core injection pipe and a collecting device, wherein the collecting device is arranged outside the core rotating container in a surrounding mode, a core material cavity is formed in the core rotating container, a core pipe cavity is formed in the core injection pipe, the core material cavity is communicated with a core outlet after sequentially passing through a core inlet and the core pipe cavity, the core inlet is connected with the side wall of the core rotating container, and the core outlet is located in the collecting device;
the centrifugal spinning system further comprises a leather rotating container and a leather injection pipe, the collecting device comprises a ventilating ring disc, a bottom concave disc and four collecting rods, the ventilating ring disc comprises a top ring disc surface, an outer side ring wall, a bottom ring disc surface and an inner side ring wall which are sequentially connected, the top ring disc surface and the bottom ring disc surface are arranged in parallel up and down, the outer side ring wall and the inner side ring wall are concentrically arranged, the bottom end of the inner side ring wall is connected with a top disc opening of the bottom concave disc, the bottom disc surface of the bottom concave disc is lower than the ventilating ring disc, the inner side ring wall is enclosed into an inner ring disc cavity, and the leather rotating container is arranged right above the inner ring disc cavity;
the inner part of the leather rotating container is provided with a leather cavity, the core rotating container is positioned in the leather cavity, the bottom of the core rotating container is connected with one surface of the bottom of the leather rotating container, the other surface of the bottom of the leather rotating container is vertically connected with the top end of the rotating rod, the bottom end of the rotating rod sequentially penetrates through the inner ring disc cavity and the bottom concave disc and then extends to the position right below the bottom concave disc, and the leather rotating container, the core rotating container and the rotating rod are coaxially arranged; the leather injection pipe is internally provided with a leather cavity, the leather cavity is communicated with the leather outlet after passing through the leather inlet and the leather cavity in sequence, the leather inlet is connected with the side wall of the leather rotating container, and the core outlet extends to the outside of the leather rotating container after passing through the leather cavity, the side wall of the leather rotating container and the leather injection pipe in sequence; the number of the core injection pipes and the number of the skin injection pipes are two, the core injection pipes comprise a left core injection pipe and a right core injection pipe, and the left core injection pipe and the right core injection pipe are symmetrically arranged by taking the central axis of the core rotating container as a symmetrical line; the skin injection pipe includes left skin injection pipe, right skin injection pipe, and left skin injection pipe, right skin injection pipe use the skin to rotate the axis of container and set up as the symmetry line symmetry.
The core outlet is arranged to protrude outwards relative to the sheath outlet, and the diameter of the core outlet is smaller than that of the sheath outlet.
The leather rotating container comprises a leather top plate, a leather ball enclosure and a leather bottom layer, the bottom surface of the leather bottom layer is connected with the top end of the rotating rod, a leather groove is formed in the middle of the leather bottom layer, the periphery of the top surface of the leather bottom layer is connected with the periphery of the leather top plate through the leather ball enclosure, and the leather top plate and the leather bottom layer are parallel to each other from top to bottom; the core rotating container comprises a core device top plate, a core device ball enclosure and a core device bottom layer, the core device top plate and the core device bottom layer are mutually parallel from top to bottom, the periphery of the core device top plate is connected with the periphery of the top of the core device bottom layer through the core device ball enclosure, and the side part of the core device bottom layer is connected with the leather device groove in an embedded mode.
The middle part of the leather device top plate is provided with a leather material port communicated with the leather material cavity, the middle part of the core device top plate is provided with a core material port communicated with the core material cavity, the middle parts of the leather material port and the core material port are penetrated through by the same outer feeding pipe, the top end of the outer feeding pipe is higher than the arrangement of the leather device top plate, the bottom end of the outer feeding pipe is lower than the arrangement of the core device top plate, an outer feeding cavity is arranged inside the outer feeding pipe, an inner feeding pipe is arranged inside the outer feeding cavity, an inner feeding cavity is arranged inside the inner feeding pipe, and the leather material port, the core material port, the outer feeding pipe, the outer feeding cavity, the inner feeding pipe and the; the side wall of the outer feeding pipe is provided with an upper sliding part and a lower sliding part, the upper sliding part is in running fit with a leather material port embedded in the upper sliding part, the lower sliding part is in running fit with a core material port embedded in the lower sliding part, an outer flow port is formed in a position, between the upper sliding part and the lower sliding part, on the side wall of the outer feeding pipe, an outer feeding cavity is communicated with the leather material cavity through the outer flow port.
The upper sliding part and the lower sliding part have the same structure and respectively comprise an upper disc body, a middle cylinder body and a lower disc body, wherein the diameter of the middle cylinder body is smaller than that of the upper disc body and that of the lower disc body; the middle parts of the upper tray body, the middle barrel body and the lower tray body are respectively provided with an upper tray cavity, a middle barrel cavity and a lower tray cavity which correspond to each other, the upper tray cavity, the middle barrel cavity and the lower tray cavity are sequentially connected into a same sliding connection cavity, and the sliding connection cavity is fixedly connected with the side wall of an outer feeding pipe penetrating through the inner part of the sliding connection cavity; the side wall of the middle cylinder body, the bottom surface of the upper disc body and the top surface of the lower disc body enclose a rotating groove, and the rotating groove is in rotating fit with a leather material opening or a core material opening embedded into the rotating groove.
The top ring disc surface is provided with four top arc surface areas which are uniformly arranged along the same circumference, a top notch area is clamped between the adjacent top arc surface areas, a plurality of top air holes are arranged in each top arc surface area, the bottom ring disc surface is provided with four bottom arc surface areas which are uniformly arranged along the same circumference, a bottom notch area is clamped between the adjacent bottom arc surface areas, a plurality of bottom air holes are arranged in each bottom arc surface area, the bottom air holes are in up-down one-to-one correspondence with the top air holes, the bottom notch areas are in up-down one-to-one correspondence with the top arc surface areas, bottom jacks arranged in the bottom notch areas are in up-down one-to-one correspondence with top jacks arranged in the top arc surface areas, the top jacks are connected with the bottom jacks through middle air cylinders, the top air holes are connected with the bottom air holes through the middle air cylinders, the middle air cylinders and the middle air cylinders are all positioned in the ventilation ring disc, each middle air cylinder is internally penetrated by a collecting rod, and, the top end of the collecting rod is higher than the vent ring disc, the skin injection pipe and the core injection pipe.
In the top ring disc surface, the position of the top arc surface area is higher than the position of the top notch area, and the height of the middle insert cylinder is smaller than that of the middle air cylinder.
The collecting rod includes the inverted cone body and inserts the pole, the bottom of inverted cone body is connected with the top that inserts the pole, and the bottom that inserts the pole wears in proper order through top jack, well section of thick bamboo, bottom jack after extend to the below of the ring dish of ventilating, and the top of inverted cone body is wider in its bottom setting, and the top of inverted cone body is in the area of the projected area more than or equal to top absent face district in top absent face district, and the top of inverted cone body is connected with a limiting plate, and the area of this top limiting plate is greater than the area on the top of inverted cone body.
And the cone side wall of the inverted cone body is wound with convex spiral raised lines, and the spiral raised lines and the cone side wall form a plurality of positioning grooves.
The inner sides of the inverted cone and the insertion rod are respectively provided with a cone inner cavity and an inner rod cavity, the side periphery of the cone is provided with a plurality of cone air holes, the cone air holes are communicated with the inner rod cavity through the cone inner cavity, and each positioning groove is internally provided with at least one cone air hole; a top winding area is formed between the top end of the spiral raised line and the top end of the inverted cone, and at least two cone air holes are formed in the top winding area.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a centrifugal spinning system of sheath-core fibers, which mainly comprises a core rotating container and a sheath rotating container which are internally and externally sleeved, wherein a core cavity and a sheath cavity are respectively arranged in the core rotating container and the sheath rotating container, the core cavity is communicated with a core injection pipe, the sheath cavity is communicated with a sheath injection pipe, a core outlet of the core injection pipe sequentially extends to the outside of the sheath rotating container through the side wall of the core cavity, the side wall of the sheath rotating container and the sheath injection pipe, when the centrifugal spinning system is applied, a rotating rod drives the core rotating container and the sheath rotating container to coaxially rotate, materials (melt or solution) contained in the core cavity are thrown out through the core injection pipe to obtain core fibers, the materials (melt or solution) contained in the sheath cavity are thrown out through the sheath injection pipe to obtain sheath fibers, and the core fibers are wrapped in the sheath fibers while being thrown out, so that spinning fibers with a sheath-core structure are obtained. Thus, the present invention enables the production of a sheath-core structured spun fiber.
2. In the centrifugal spinning system for the sheath-core fibers, the collecting device is arranged outside the core rotating container in a surrounding mode, meanwhile, the number of the core injection pipes and the number of the sheath injection pipes are two, the two core injection pipes are oppositely arranged, preferably symmetrically arranged, the two sheath injection pipes are oppositely arranged, preferably symmetrically arranged, when the centrifugal spinning system is applied, the two sheath-core spinning fibers can be spun simultaneously, the two sheath-core spinning fibers can be located on the same circular surface through the symmetrical arrangement, the collection of the collecting device annularly arranged around the sheath-core spinning fibers is facilitated, and products with high uniformity can be obtained. Therefore, the product quality of the invention is high.
3. According to the centrifugal spinning system for the sheath-core fiber, the core outlet is arranged in a protruding mode relative to the sheath outlet, the diameter of the core outlet is smaller than that of the sheath outlet, the ejection position of the core fiber can be ahead of that of the sheath fiber due to the design, and meanwhile, the generation time of the sheath fiber is ahead of that of the core fiber, so that the sheath fiber and the core fiber can be combined with each other conveniently, and the stability after the sheath fiber and the core fiber are combined into the sheath-core structural fiber is improved. Therefore, the invention can not only generate the sheath-core structure spinning fiber, but also has stronger stability and higher product quality.
4. In the centrifugal spinning system for the sheath-core fiber, the side wall of the outer feeding pipe is provided with the upper sliding part and the lower sliding part, the outer flow port is arranged between the upper sliding part and the lower sliding part, the outer feeding cavity is communicated with the sheath material cavity through the outer flow port, the upper sliding part is in rotating fit with the sheath material port, and the lower sliding part is in rotating fit with the core material port. Therefore, the invention not only can feed materials on line and has higher production efficiency, but also can adjust the cavity pressure when the fiber is generated and ensure the smooth production.
5. The invention relates to a centrifugal spinning system of sheath-core fibers, wherein a top ring disk surface comprises four top arc surface areas and top notch surface areas arranged between the adjacent top arc surface areas, a bottom ring disk surface comprises four bottom arc surface areas and bottom notch surface areas arranged between the adjacent bottom arc surface areas, top air holes arranged in the top arc surface areas correspond to bottom air holes arranged in the bottom arc surface areas up and down, top air holes are connected with the bottom air holes through a middle air cylinder, top jack holes arranged in the top notch surface areas correspond to bottom jack holes arranged in the bottom notch surface areas up and down, the top jack holes are connected with the bottom jack holes through middle plug cylinders, each middle plug cylinder is internally penetrated with a collecting rod, when in use, air flow is sequentially sprayed upwards through the bottom air holes, the middle air cylinder and the top air holes to form an air flow ring with four notch parts, the height of the air flow ring is determined by the strength of the air flow, and the air flow ring can limit the covering area of sheath-core structure fibers sprayed by a core spray pipe and a sheath-core spray pipe, not only can make it can not cross the air current circle, can make skin core fibre can only be collected (collection pole rotation is in order to collect skin core fibre) by four collection poles that are located the breach position moreover, the guiding nature is stronger, compares with prior art, can not form the fibrous circle of great volume, but can form the fibrous rod (twine fibrous collection pole of spinning promptly) of easily depositing and handling, has improved the collection effect greatly. Therefore, the invention not only has stronger guidance, but also has better collection effect.
6. In the centrifugal spinning system for the sheath-core fiber, the bottom end of the inner side ring wall is connected with the top disc opening of the bottom concave disc, the bottom disc surface of the bottom concave disc is lower than the ventilating ring disc, the inner side ring wall encloses an inner ring disc cavity, and the sheath rotating container is arranged right above the inner ring disc cavity. Therefore, the collecting effect of the invention is better.
7. In the centrifugal spinning system for the sheath-core fiber, the collecting rod comprises an inverted cone and an inserting rod, the bottom end of the inverted cone is connected with the top end of the inserting rod, the spinning collecting rod winds the fiber contacted with the spinning collecting rod on the inverted cone when in use, and at the moment, the structure with the wide upper part and the narrow lower part of the inverted cone is beneficial to downward sliding of the wound fiber (under the combined action of fiber gravity and rotating centrifugal force), so that the fiber on the inverted cone is gradually accumulated from bottom to top, the distribution uniformity of the collected fiber is improved, and subsequent treatment is facilitated. Therefore, the uniformity of the collected fibers is higher.
8. According to the centrifugal spinning system for the sheath-core fiber, the outward-protruding spiral raised lines are wound on the cone side wall of the inverted cone, the spiral raised lines and the cone side wall form the plurality of positioning grooves, the collected fiber can be only wound in the positioning grooves through the design, so that the collection structure of the fiber is limited, the collected fiber is in a spiral belt-shaped structure, the subsequent fiber and the collection rod can be separated conveniently, the fiber removing effect is improved, especially when at least one cone air hole is formed in each positioning groove, the fiber removing efficiency can be further improved through the mode of spraying air outside the cone air hole, and the fiber removing effect is better. Therefore, the invention not only has better collection effect, but also has better silk shedding effect.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a top view of the core and sheath injector tubes of FIG. 1.
Fig. 3 is a schematic view of the construction of the core rotation container of fig. 1.
Fig. 4 is a schematic view of the structure of the leather turning container of fig. 1.
Fig. 5 is a schematic structural diagram of the outer feed pipe and the inner feed pipe in fig. 1.
FIG. 6 is a schematic view of the structure of the outer feed tube of the present invention.
Fig. 7 is a top view of the collection device of fig. 1.
Fig. 8 is a bottom view of the collection device of fig. 1.
Fig. 9 is a sectional view of fig. 7 in the direction a-a.
Fig. 10 is a schematic view of the structure of the collection rod of fig. 9.
Fig. 11 is a schematic diagram of the relative positions of the inverted cone and the top limiting plate in fig. 10 when viewed from the bottom.
In the figure: the rotating rod 1, the core rotating container 2, the core material cavity 21, the core device top plate 22, the core material opening 221, the core device sphere 23, the core device bottom layer 24, the core injection tube 3, the core tube cavity 31, the core inlet 32, the core outlet 33, the left core injection tube 34, the right core injection tube 35, the skin rotating container 4, the skin material cavity 41, the skin device top plate 42, the skin material opening 421, the skin device sphere 43, the skin device bottom layer 44, the skin device groove 45, the skin injection tube 5, the skin tube cavity 51, the skin inlet 52, the skin outlet 53, the left skin injection tube 54, the right skin injection tube 55, the outer feed tube 6, the outer feed cavity 61, the outer flow opening 62, the inner feed tube 7, the inner feed cavity 71, the upper slide portion 8, the lower slide portion 80, the upper disc body 81, the upper disc cavity 92811, the middle cylinder 82, the middle cylinder cavity 821, the lower disc 83, the lower disc cavity 831, the sliding connection cavity 84, the rotating groove 85, the collecting device 9, the top ring disc 92, the top ring 921, the top ring disc 9211, the top arc 92, Top air hole 9213, top outer arc region 9214, top inner arc region 9215, top outer air hole 9216, top inner air hole 9217, outer side ring wall 922, bottom ring disk surface 923, bottom arc surface region 9231, bottom absent surface region 9232, bottom air hole 9233, bottom outer arc region 9234, bottom inner arc region 9235, bottom outer air hole 9236, bottom inner air hole 9237, inner side ring wall 924, inner ring disk cavity 925, bottom concave disk 93, top disk opening 931, bottom disk surface 932, collecting rod 94, inverted cone 941, cone inner cavity 9411, insert rod 942, inner rod cavity 9421, top limit plate 943, cone side wall 944, spiral convex strip 945, positioning groove 9451, cone 946 air hole, top winding region 947, middle insert cylinder 95, top insert hole 951, bottom insert hole 952, middle air cylinder 96, outer middle air cylinder 961 and inner middle air cylinder 962.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-11, a centrifugal spinning system for sheath-core fibers comprises a core rotating container 2, a core injection tube 3 and a collecting device 9, wherein the collecting device 9 surrounds the outside of the core rotating container 2, a core material cavity 21 is formed inside the core rotating container 2, a core tube cavity 31 is formed inside the core injection tube 3, the core material cavity 21 sequentially passes through a core inlet 32 and the core tube cavity 31 and then is communicated with a core outlet 33, the core inlet 32 is connected with the side wall of the core rotating container 2, and the core outlet 33 is located inside the collecting device 9;
the centrifugal spinning system further comprises a leather rotating container 4 and a leather injection pipe 5, the collecting device 9 comprises a ventilating ring disc 92, a bottom concave disc 93 and four collecting rods 94, the ventilating ring disc 92 comprises a top ring disc surface 921, an outer side ring wall 922, a bottom ring disc surface 923 and an inner side ring wall 924 which are sequentially connected, the top ring disc surface 921 and the bottom ring disc surface 923 are arranged in parallel up and down, the outer side ring wall 922 and the inner side ring wall 924 are concentrically arranged, the bottom end of the inner side ring wall 924 is connected with a top disc opening 931 of the bottom concave disc 93, a bottom disc surface 932 of the bottom concave disc 93 is lower than the ventilating ring disc 92, the inner side ring wall 924 surrounds an inner ring disc cavity 925, and the leather rotating container 4 is arranged right above the inner ring disc cavity 925;
a leather cavity 41 is formed in the leather rotating container 4, the core rotating container 2 is positioned in the leather cavity 41, the bottom of the core rotating container 2 is connected with one surface of the bottom of the leather rotating container 4, the other surface of the bottom of the leather rotating container 4 is vertically connected with the top end of the rotating rod 1, the bottom end of the rotating rod 1 sequentially penetrates through the inner ring disk cavity 925 and the bottom concave disk 93 and then extends to the position right below the bottom concave disk 93, and the leather rotating container 4, the core rotating container 2 and the rotating rod 1 are coaxially arranged; a leather pipe cavity 51 is formed in the leather injection pipe 5, the leather material cavity 41 is communicated with a leather outlet 53 through a leather inlet 52 and the leather pipe cavity 51 in sequence, the leather inlet 52 is connected with the side wall of the leather rotating container 4, and the core outlet 33 extends to the outside of the leather rotating container 4 through the leather material cavity 41, the side wall of the leather rotating container 4 and the leather injection pipe 5 in sequence; the number of the core injection pipes 3 and the number of the skin injection pipes 5 are two, the core injection pipes 3 comprise a left core injection pipe 34 and a right core injection pipe 35, and the left core injection pipe 34 and the right core injection pipe 35 are symmetrically arranged by taking the central axis of the core rotating container 2 as a symmetry line; the skin injection pipe 5 comprises a left skin injection pipe 54 and a right skin injection pipe 55, and the left skin injection pipe 54 and the right skin injection pipe 55 are symmetrically arranged by taking the central axis of the skin rotation container 4 as a symmetry line.
The core outlet 33 is outwardly convex with respect to the sheath outlet 53, and the diameter of the core outlet 33 is smaller than that of the sheath outlet 53.
The leather rotating container 4 comprises a leather top plate 42, a leather ball enclosure 43 and a leather bottom layer 44, the bottom surface of the leather bottom layer 44 is connected with the top end of the rotating rod 1, a leather groove 45 is formed in the middle of the leather bottom layer 44, the periphery of the top surface of the leather bottom layer 44 is connected with the periphery of the leather top plate 42 through the leather ball enclosure 43, and the leather top plate 42 and the leather bottom layer 44 are parallel to each other up and down; the core rotating container 2 comprises a core top plate 22, a core sphere 23 and a core bottom layer 24, the core top plate 22 and the core bottom layer 24 are parallel to each other up and down, the periphery of the core top plate 22 is connected with the periphery of the top of the core bottom layer 24 through the core sphere 23, and the side of the core bottom layer 24 is connected with a leather device groove 45 in an embedded mode.
The middle part of the leather top plate 42 is provided with a leather port 421 communicated with the leather cavity 41, the middle part of the core top plate 22 is provided with a core material port 221 communicated with the core material cavity 21, the middle parts of the leather port 421 and the core material port 221 run through together and pass through the same outer feeding pipe 6, the top end of the outer feeding pipe 6 is higher than the leather top plate 42, the bottom end of the outer feeding pipe 6 is lower than the core top plate 22, an outer feeding cavity 61 is arranged inside the outer feeding pipe 6, an inner feeding pipe 7 is arranged inside the outer feeding cavity 61, an inner feeding cavity 71 is arranged inside the inner feeding pipe 7, and the leather port 421, the core material port 221, the outer feeding pipe 6, the outer feeding cavity 61, the inner feeding pipe 7 and the inner feeding cavity 71 are coaxially arranged; be provided with on the side wall of outer inlet pipe 6 and go up smooth portion 8, gliding part 80, go up smooth portion 8 and carry out normal running fit with its inside cladding mouth 421 of embedding, gliding part 80 carries out normal running fit with its inside core material mouth 221 of embedding, and outer inlet pipe 6 side wall is located and is offered outflow mouth 62 on the position between smooth portion 8, gliding part 80, and outer feed chamber 61 communicates with each other with cladding chamber 41 through outflow mouth 62.
The upper sliding part 8 and the lower sliding part 80 have the same structure and respectively comprise an upper disc body 81, a middle cylinder body 82 and a lower disc body 83, wherein the diameter of the middle cylinder body 82 is smaller than that of the upper disc body 81 and the lower disc body 83; the middle parts of the upper tray body 81, the middle cylinder body 82 and the lower tray body 83 are respectively provided with an upper tray cavity 811, a middle cylinder cavity 821 and a lower tray cavity 831 which correspond to each other, the upper tray cavity 811, the middle cylinder cavity 821 and the lower tray cavity 831 are sequentially connected into a same sliding connection cavity 84, and the sliding connection cavity 84 is fixedly connected with the side wall of the outer feeding pipe 6 which passes through the inner part of the sliding connection cavity 84; the side wall of the middle cylinder 82, the bottom surface of the upper disc 81 and the top surface of the lower disc 83 form a rotating groove 85, and the rotating groove 85 is in rotating fit with the leather opening 421 or the core opening 221 embedded in the rotating groove 85.
The top ring disk surface 921 is provided with four top arc surface areas 9211 uniformly arranged along the same circumference, a top absent area 9212 is clamped between the adjacent top arc surface areas 9211, each top arc surface area 9211 is internally provided with a plurality of top air holes 9213, the bottom ring disk surface 923 is provided with four bottom arc surface areas 9231 uniformly arranged along the same circumference, a bottom absent area 9232 is clamped between the adjacent bottom arc surface areas 9231, each bottom arc surface area 9231 is internally provided with a plurality of bottom air holes 9233, the bottom air holes 9233 and the top air holes 9213 are in one-to-one correspondence from top to bottom, the bottom absent areas 9232 and the top arc surface areas 9211 are in one-to-one correspondence from top to bottom, bottom insertion holes 952 and top insertion holes 951 arranged in the bottom absent area 9232 and the top insertion holes 951 arranged in the top arc surface areas 9211 are in one-to-one correspondence from top to bottom, the top insertion holes 951 are connected with the bottom insertion holes 9233 through the middle air cylinders 96, the middle air cylinders 95 and the middle air cylinders 96 are all positioned in the ventilation ring disk 92, each middle insert cylinder 95 is penetrated by a collecting rod 94, the bottom end of the collecting rod 94 is arranged lower than the vent ring disc 92, and the top end of the collecting rod 94 is arranged higher than the vent ring disc 92, the skin injection pipe 5 and the core injection pipe 3.
In the top ring disk surface 921, the position where the top arc surface area 9211 is located is higher than the position where the top notch surface area 9212 is located, and the height of the middle insert cylinder 95 is smaller than that of the middle air cylinder 96.
The collection pole 94 includes the inverted cone 941 and inserts the pole 942, the bottom of inverted cone 941 is connected with the top of inserting the pole 942, the bottom of inserting the pole 942 is worn in proper order through a jack 951, well bobbin 95, extend to the below of the ring dish 92 of ventilating behind the jack 952, the top of inverted cone 941 is wider than its bottom setting, the area of the top of inverted cone 941 in the area of top vacancy district 9212's projection area more than or equal to area of the area of top vacancy district 9212, the top of inverted cone 941 is connected with top limiting plate 943, the area of this top limiting plate 943 is greater than the area on the top of inverted cone 941.
The cone side wall 944 of the inverted cone 941 is wound with an outward protruding spiral rib 945, and the spiral rib 945 and the cone side wall 944 form a plurality of positioning grooves 9451.
A conical inner cavity 9411 and an inner rod cavity 9421 are respectively formed in the inverted cone 941 and the insertion rod 942, a plurality of cone air holes 946 are formed in the cone side wall 944, the cone air holes 946 are communicated with the inner rod cavity 9421 through the conical inner cavity 9411, and at least one cone air hole 946 is formed in each positioning groove 9451; a top winding area 947 is clamped between the top end of the spiral raised strip 945 and the top end of the inverted cone 941, and at least two cone air holes 946 are formed in the top winding area 947.
The principle of the invention is illustrated as follows:
during spinning, the core rotating container 2 and the skin rotating container 4 rotate coaxially, materials in the core material cavity 21 and the skin material cavity 41 are thrown out through the core injection pipe 3 and the skin injection pipe 5 respectively to obtain core fibers and skin fibers, and the skin injection pipe 5 is sleeved outside the core injection pipe 3, so that when the core fibers and the skin fibers are just separated from the core outlet 33 and the skin outlet 53, the core fibers and the skin fibers are combined with each other, the core fibers are wrapped inside the skin fibers, and therefore the spinning fibers with the skin-core structure are obtained, especially when the core outlet 33 is outwards protruded relative to the skin outlet 53, the effect that the core fibers and the skin fibers are combined with each other is better, the stability is better, and the high-quality spinning fibers with the skin-core structure can be obtained. In addition, the materials input into the sheath cavity 41 (the outer feeding pipe 6, the outer flow port 62, the sheath cavity 41) through the outer feeding pipe 6 and the materials input into the core cavity 21 through the inner feeding pipe 7 can be not only the materials (melt or solution) provided for continuous production but also the materials with pressure or gas with pressure to adjust the pressure in the sheath cavity 41 and the core cavity 21, so as to adjust the speed of the ejection of the materials in the core injection pipe 3 and the sheath injection pipe 5 and further adjust the formation speed of the core fiber and the sheath fiber, and finally, the spinning fiber with a sheath-core structure with better combination effect and stronger stability is obtained.
During collection, the top air holes 9213 in the four top arc surface areas 9211 spray air flow upwards to obtain an air flow ring with four gap parts (corresponding to the top notch surface areas 9212), the air flow ring prevents spinning fibers from being thrown outwards, so that the spinning fibers can only flow to the collecting rods 94 in the top notch surface areas 9212 to improve the guidance of fiber collection, the spinning collecting rods 94 can wind the fibers thrown to the spinning collecting rods on the spinning collecting rods without stop, thereby obtaining fiber rods (namely the collecting rods 94 wound with the spinning fibers), greatly improving the collection effect, facilitating subsequent treatment, and in the process, if fiber fracture occurs and the fracture fibers occur, the bottom concave disc 93 at the bottom of the ventilating ring disc 92 can collect the fracture fibers layer by layer, ensuring that the formed spinning fibers can be collected, avoiding waste, and the fibers collected by the bottom concave disc 93 are in a superposed state, the volume is also small, and the subsequent treatment is also convenient.
In addition, preferably, the top arc region 9211 includes a top outer arc region 9214 and a top inner arc region 9215 which are concentric, a plurality of top outer air holes 9216 are provided in the top outer arc region 9214, a plurality of top inner air holes 9217 are provided in the top inner arc region 9215, and the top outer air holes 9216 and the top inner air holes 9217 constitute a top air hole 9213; the bottom arc surface region 9231 comprises a bottom outer arc region 9234 and a bottom inner arc region 9235 which are concentric, a plurality of bottom outer air holes 9236 are arranged in the bottom outer arc region 9234, a plurality of bottom inner air holes 9237 are arranged in the bottom inner arc region 9235, and the bottom outer air holes 9236 and the bottom inner air holes 9237 form bottom air holes 9233; the top outer air hole 9216 and the bottom outer air hole 9236 are arranged in an up-down one-to-one correspondence manner, the top inner air hole 9217 and the bottom inner air hole 9237 are arranged in an up-down one-to-one correspondence manner, the top outer air hole 9216 is connected with the bottom outer air hole 9236 through an outer middle inflator 961, the top inner air hole 9217 is connected with the bottom inner air hole 9237 through an inner middle inflator 962, and the outer middle inflator 961 and the inner middle inflator 962 form a middle inflator 96. This design has improved the adjustability of air current circle, through adjusting the state of giving vent to anger (including giving vent to anger and the intensity difference of giving vent to anger) of outer air hole 9216, top inner air hole 9217 promptly to the structure of adjustment air current circle, thereby the restriction different textile fiber's coverage area, and then the collection pole 94 of cooperation different structures or position is in order to realize the collection effect of various differences, in order to obtain the fibre form after the collection of various differences.
Example 1:
referring to fig. 1-11, a centrifugal spinning system for sheath-core fibers comprises a core rotating container 2, a core injection tube 3 and a collecting device 9, wherein the collecting device 9 surrounds the outside of the core rotating container 2, a core material cavity 21 is formed inside the core rotating container 2, a core tube cavity 31 is formed inside the core injection tube 3, the core material cavity 21 sequentially passes through a core inlet 32 and the core tube cavity 31 and then is communicated with a core outlet 33, the core inlet 32 is connected with the side wall of the core rotating container 2, and the core outlet 33 is located inside the collecting device 9; the centrifugal spinning system further comprises a leather rotating container 4 and a leather injection pipe 5, the collecting device 9 comprises a ventilating ring disc 92, a bottom concave disc 93 and four collecting rods 94, the ventilating ring disc 92 comprises a top ring disc surface 921, an outer side ring wall 922, a bottom ring disc surface 923 and an inner side ring wall 924 which are sequentially connected, the top ring disc surface 921 and the bottom ring disc surface 923 are arranged in parallel up and down, the outer side ring wall 922 and the inner side ring wall 924 are concentrically arranged, the bottom end of the inner side ring wall 924 is connected with a top disc opening 931 of the bottom concave disc 93, a bottom disc surface 932 of the bottom concave disc 93 is lower than the ventilating ring disc 92, the inner side ring wall 924 surrounds an inner ring disc cavity 925, and the leather rotating container 4 is arranged right above the inner ring disc cavity 925; a leather cavity 41 is formed in the leather rotating container 4, the core rotating container 2 is positioned in the leather cavity 41, the bottom of the core rotating container 2 is connected with one surface of the bottom of the leather rotating container 4, the other surface of the bottom of the leather rotating container 4 is vertically connected with the top end of the rotating rod 1, the bottom end of the rotating rod 1 sequentially penetrates through the inner ring disk cavity 925 and the bottom concave disk 93 and then extends to the position right below the bottom concave disk 93, and the leather rotating container 4, the core rotating container 2 and the rotating rod 1 are coaxially arranged; a leather pipe cavity 51 is formed in the leather injection pipe 5, the leather material cavity 41 is communicated with a leather outlet 53 through a leather inlet 52 and the leather pipe cavity 51 in sequence, the leather inlet 52 is connected with the side wall of the leather rotating container 4, and the core outlet 33 extends to the outside of the leather rotating container 4 through the leather material cavity 41, the side wall of the leather rotating container 4 and the leather injection pipe 5 in sequence; the number of the core injection pipes 3 and the number of the skin injection pipes 5 are two, the core injection pipes 3 comprise a left core injection pipe 34 and a right core injection pipe 35, and the left core injection pipe 34 and the right core injection pipe 35 are symmetrically arranged by taking the central axis of the core rotating container 2 as a symmetry line; the skin injection pipe 5 comprises a left skin injection pipe 54 and a right skin injection pipe 55, and the left skin injection pipe 54 and the right skin injection pipe 55 are symmetrically arranged by taking the central axis of the skin rotation container 4 as a symmetry line. Preferably, the core outlet 33 is outwardly convex with respect to the sheath outlet 53, and the diameter of the core outlet 33 is smaller than that of the sheath outlet 53.
Example 2:
the basic contents are the same as example 1, except that:
the leather rotating container 4 comprises a leather top plate 42, a leather ball enclosure 43 and a leather bottom layer 44, the bottom surface of the leather bottom layer 44 is connected with the top end of the rotating rod 1, a leather groove 45 is formed in the middle of the leather bottom layer 44, the periphery of the top surface of the leather bottom layer 44 is connected with the periphery of the leather top plate 42 through the leather ball enclosure 43, and the leather top plate 42 and the leather bottom layer 44 are parallel to each other up and down; the core rotating container 2 comprises a core top plate 22, a core sphere 23 and a core bottom layer 24, the core top plate 22 and the core bottom layer 24 are parallel to each other up and down, the periphery of the core top plate 22 is connected with the periphery of the top of the core bottom layer 24 through the core sphere 23, and the side of the core bottom layer 24 is connected with a leather device groove 45 in an embedded mode. The middle part of the leather top plate 42 is provided with a leather port 421 communicated with the leather cavity 41, the middle part of the core top plate 22 is provided with a core material port 221 communicated with the core material cavity 21, the middle parts of the leather port 421 and the core material port 221 run through together and pass through the same outer feeding pipe 6, the top end of the outer feeding pipe 6 is higher than the leather top plate 42, the bottom end of the outer feeding pipe 6 is lower than the core top plate 22, an outer feeding cavity 61 is arranged inside the outer feeding pipe 6, an inner feeding pipe 7 is arranged inside the outer feeding cavity 61, an inner feeding cavity 71 is arranged inside the inner feeding pipe 7, and the leather port 421, the core material port 221, the outer feeding pipe 6, the outer feeding cavity 61, the inner feeding pipe 7 and the inner feeding cavity 71 are coaxially arranged; be provided with on the side wall of outer inlet pipe 6 and go up smooth portion 8, gliding part 80, go up smooth portion 8 and carry out normal running fit with its inside cladding mouth 421 of embedding, gliding part 80 carries out normal running fit with its inside core material mouth 221 of embedding, and outer inlet pipe 6 side wall is located and is offered outflow mouth 62 on the position between smooth portion 8, gliding part 80, and outer feed chamber 61 communicates with each other with cladding chamber 41 through outflow mouth 62. The upper sliding part 8 and the lower sliding part 80 have the same structure and respectively comprise an upper disc body 81, a middle cylinder body 82 and a lower disc body 83, wherein the diameter of the middle cylinder body 82 is smaller than that of the upper disc body 81 and the lower disc body 83; the middle parts of the upper tray body 81, the middle cylinder body 82 and the lower tray body 83 are respectively provided with an upper tray cavity 811, a middle cylinder cavity 821 and a lower tray cavity 831 which correspond to each other, the upper tray cavity 811, the middle cylinder cavity 821 and the lower tray cavity 831 are sequentially connected into a same sliding connection cavity 84, and the sliding connection cavity 84 is fixedly connected with the side wall of the outer feeding pipe 6 which passes through the inner part of the sliding connection cavity 84; the side wall of the middle cylinder 82, the bottom surface of the upper disc 81 and the top surface of the lower disc 83 form a rotating groove 85, and the rotating groove 85 is in rotating fit with the leather opening 421 or the core opening 221 embedded in the rotating groove 85.
Example 3:
the basic contents are the same as example 1, except that:
the top ring disk surface 921 is provided with four top arc surface areas 9211 uniformly arranged along the same circumference, a top absent area 9212 is clamped between the adjacent top arc surface areas 9211, each top arc surface area 9211 is internally provided with a plurality of top air holes 9213, the bottom ring disk surface 923 is provided with four bottom arc surface areas 9231 uniformly arranged along the same circumference, a bottom absent area 9232 is clamped between the adjacent bottom arc surface areas 9231, each bottom arc surface area 9231 is internally provided with a plurality of bottom air holes 9233, the bottom air holes 9233 and the top air holes 9213 are in one-to-one correspondence from top to bottom, the bottom absent areas 9232 and the top arc surface areas 9211 are in one-to-one correspondence from top to bottom, bottom insertion holes 952 and top insertion holes 951 arranged in the bottom absent area 9232 and the top insertion holes 951 arranged in the top arc surface areas 9211 are in one-to-one correspondence from top to bottom, the top insertion holes 951 are connected with the bottom insertion holes 9233 through the middle air cylinders 96, the middle air cylinders 95 and the middle air cylinders 96 are all positioned in the ventilation ring disk 92, each middle insert cylinder 95 is penetrated by a collecting rod 94, the bottom end of the collecting rod 94 is arranged lower than the vent ring disc 92, and the top end of the collecting rod 94 is arranged higher than the vent ring disc 92, the skin injection pipe 5 and the core injection pipe 3.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.
Claims (8)
1. The utility model provides a fibre centrifugal system of spinning of skin core, rotates container (2), core injection pipe (3) and collection device (9) including the core, the outside of core rotation container (2) is around having collection device (9), and core rotation container's (2) inside is seted up core material chamber (21), and core material chamber (31) are seted up to core injection pipe's (3) inside, and core material chamber (21) communicate with each other with core export (33) behind core entry (32), core chamber (31) in proper order, and core entry (32) are connected with the side wall that the container (2) was rotated to the core, and core export (33) are located the inside of collection device (9), its characterized in that:
the centrifugal spinning system further comprises a leather rotating container (4) and a leather spraying pipe (5), the collecting device (9) comprises a ventilating ring disc (92), a bottom concave disc (93) and four collecting rods (94), the ventilating ring disc (92) comprises a top ring disc surface (921), an outer side ring wall (922), a bottom ring disc surface (923) and an inner side ring wall (924) which are sequentially connected, the top ring disc surface (921) and the bottom ring disc surface (923) are arranged in parallel up and down, the outer side ring wall (922) and the inner side ring wall (924) are concentrically arranged, the bottom end of the inner side ring wall (924) is connected with a top disc opening (931) of the bottom concave disc (93), a bottom disc surface (932) of the bottom concave disc (93) is lower than the ventilating ring disc (92), the inner side ring wall (924) encloses an inner ring disc cavity (925), and the leather rotating container (4) is arranged right above the inner ring disc cavity (925);
a leather cavity (41) is formed in the leather rotating container (4), the core rotating container (2) is located in the leather cavity (41), the bottom of the core rotating container (2) is connected with one side of the bottom of the leather rotating container (4), the other side of the bottom of the leather rotating container (4) is vertically connected with the top end of the rotating rod (1), the bottom end of the rotating rod (1) sequentially penetrates through the inner ring disc cavity (925) and the bottom concave disc (93) and then extends to the position right below the bottom concave disc (93), and the leather rotating container (4), the core rotating container (2) and the rotating rod (1) are coaxially arranged; a leather pipe cavity (51) is formed in the leather injection pipe (5), the leather material cavity (41) is communicated with a leather outlet (53) through a leather inlet (52) and the leather pipe cavity (51) in sequence, the leather inlet (52) is connected with the side wall of the leather rotating container (4), and the core outlet (33) extends to the outside of the leather rotating container (4) through the leather material cavity (41), the side wall of the leather rotating container (4) and the leather injection pipe (5) in sequence; the number of the core injection pipes (3) and the number of the skin injection pipes (5) are two, the core injection pipes (3) comprise a left core injection pipe (34) and a right core injection pipe (35), and the left core injection pipe (34) and the right core injection pipe (35) are symmetrically arranged by taking the central axis of the core rotating container (2) as a symmetry line; the leather injection pipe (5) comprises a left leather injection pipe (54) and a right leather injection pipe (55), and the left leather injection pipe (54) and the right leather injection pipe (55) are symmetrically arranged by taking the central axis of the leather rotation container (4) as a symmetrical line;
the top ring disk surface (921) is provided with four top arc surface areas (9211) which are uniformly arranged along the same circumference, a top notch area (9212) is clamped between the adjacent top arc surface areas (9211), a plurality of top air holes (9213) are arranged in each top arc surface area (9211), the bottom ring disk surface (923) is provided with four bottom arc surface areas (9231) which are uniformly arranged along the same circumference, a bottom notch area (9232) is clamped between the adjacent bottom arc surface areas (9231), a plurality of bottom air holes (9233) are arranged in each bottom arc surface area (9231), the bottom air holes 9233 and the top air holes 9213 are in one-to-one correspondence from top to bottom, the bottom notch areas (9232) and the top arc surface areas (9211) are in one-to-one correspondence from top to bottom, the top insertion holes (951) in the bottom notch areas (9232) and the top insertion holes (951) in the top arc surface areas (9211) are connected with the bottom insertion holes (952) through top insertion holes (951) and top insertion holes (951) are arranged in, the top air hole (9213) is connected with the bottom air hole (9233) through the middle air cylinder (96), the middle insert cylinder (95) and the middle air cylinder (96) are both positioned inside the ventilation ring disc (92), each middle insert cylinder (95) is internally penetrated and provided with a collection rod (94), the bottom end of each collection rod (94) is lower than the ventilation ring disc (92), and the top end of each collection rod (94) is higher than the ventilation ring disc (92), the skin injection pipe (5) and the core injection pipe (3); collect pole (94) including inverted cone body (941) and insert pole (942), the bottom of inverted cone body (941) is connected with the top of inserting pole (942), the bottom of inserting pole (942) is worn through a jack (951) in proper order, well bobbin (95), extend to the below of ventilating ring dish (92) behind bottom jack (952), the top of inverted cone body (941) is wider than its bottom setting, the area of the top of inverted cone body (941) in the area of projection more than or equal to top lacuna face area (9212) in top lacuna face area (9212), the top of inverted cone body (941) is connected with top limiting plate (943), the area of the top of this top limiting plate (943) is greater than the area on the top of inverted cone body (941).
2. The system for centrifugally spinning sheath-core fibers according to claim 1, wherein: the core outlet (33) is arranged to protrude outwards relative to the sheath outlet (53), and the diameter of the core outlet (33) is smaller than that of the sheath outlet (53).
3. The system for centrifugally spinning sheath-core fibers according to claim 1 or 2, wherein: the leather rotating container (4) comprises a leather top plate (42), a leather ball enclosure (43) and a leather bottom layer (44), the bottom surface of the leather bottom layer (44) is connected with the top end of the rotating rod (1), a leather groove (45) is formed in the middle of the leather bottom layer (44), the periphery of the top surface of the leather bottom layer (44) is connected with the periphery of the leather top plate (42) through the leather ball enclosure (43), and the leather top plate (42) and the leather bottom layer (44) are parallel to each other up and down; the core rotating container (2) comprises a core device top plate (22), a core device ball enclosure (23) and a core device bottom layer (24), the core device top plate (22) and the core device bottom layer (24) are mutually parallel from top to bottom, the periphery of the core device top plate (22) is connected with the periphery of the top of the core device bottom layer (24) through the core device ball enclosure (23), and the side part of the core device bottom layer (24) is connected with a leather device groove (45) in an embedding manner.
4. The system for centrifugally spinning sheath-core fibers according to claim 3, wherein: the leather feeding device is characterized in that a leather feeding port (421) communicated with a leather feeding cavity (41) is formed in the middle of the leather device top plate (42), a core feeding port (221) communicated with the core feeding cavity (21) is formed in the middle of the core device top plate (22), the middle of the leather feeding port (421) and the middle of the core feeding port (221) penetrate through the same outer feeding pipe (6), the top end of the outer feeding pipe (6) is higher than the leather device top plate (42) in arrangement, the bottom end of the outer feeding pipe (6) is lower than the core device top plate (22) in arrangement, an outer feeding cavity (61) is formed in the outer feeding pipe (6), an inner feeding cavity (7) is formed in the outer feeding cavity (61), an inner feeding cavity (71) is formed in the inner feeding pipe (7), and the leather feeding port (421), the core feeding port (221), the outer feeding pipe (6), the outer feeding cavity (61), the inner feeding pipe (7; be provided with on the side wall of outer inlet pipe (6) gliding part (8), gliding part (80), gliding part (8) carries out normal running fit with embedding its inside skin material mouth (421), gliding part (80) carries out normal running fit with embedding its inside core material mouth (221), outer mouth of flowing outside (62) have been seted up on the position that lies in between gliding part (8), gliding part (80) on the side wall of outer inlet pipe (6), outer feeding chamber (61) communicate with each other with skin material chamber (41) through outer mouth of flowing outside (62).
5. The system for centrifugally spinning sheath-core fibers according to claim 4, wherein: the upper sliding part (8) and the lower sliding part (80) are consistent in structure and respectively comprise an upper disc body (81), a middle cylinder body (82) and a lower disc body (83), and the diameter of the middle cylinder body (82) is smaller than that of the upper disc body (81) and that of the lower disc body (83); the middle parts of the upper tray body (81), the middle barrel body (82) and the lower tray body (83) are respectively provided with an upper tray cavity (811), a middle tray cavity (821) and a lower tray cavity (831) which correspond to each other, the upper tray cavity (811), the middle tray cavity (821) and the lower tray cavity (831) are sequentially connected into a same sliding connection cavity (84), and the sliding connection cavity (84) is fixedly connected with the side wall of the outer feeding pipe (6) which penetrates through the sliding connection cavity; the side wall of the middle cylinder body (82), the bottom surface of the upper disc body (81) and the top surface of the lower disc body (83) enclose a rotating groove (85), and the rotating groove (85) is in rotating fit with a leather material port (421) or a core material port (221) embedded in the rotating groove.
6. The system for centrifugally spinning sheath-core fibers according to claim 1 or 2, wherein: in the top ring disk surface (921), the part where the top arc surface area (9211) is located is higher than the part where the top absent surface area (9212) is located, and the height of the middle insert cylinder (95) is smaller than that of the middle air cylinder (96).
7. The system for centrifugally spinning sheath-core fibers according to claim 1 or 2, wherein: the cone side wall (944) of the inverted cone (941) is wound with a convex spiral convex strip (945), and the spiral convex strip (945) and the cone side wall (944) form a plurality of positioning grooves (9451).
8. The system for centrifugally spinning sheath-core fibers according to claim 7, wherein: the inner parts of the inverted cone (941) and the insertion rod (942) are respectively provided with a conical inner cavity (9411) and an inner rod cavity (9421), the cone side wall (944) is provided with a plurality of cone air holes (946), the cone air holes (946) are communicated with the inner rod cavity (9421) through the conical inner cavity (9411), and each positioning groove (9451) is internally provided with at least one cone air hole (946); a top winding area (947) is formed between the top end of the spiral convex strip (945) and the top end of the inverted cone (941), and at least two cone air holes (946) are formed in the top winding area (947).
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| CN201910449390.3A CN110306247B (en) | 2019-05-28 | 2019-05-28 | Centrifugal spinning system for sheath-core fibers |
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| CN201910449390.3A CN110306247B (en) | 2019-05-28 | 2019-05-28 | Centrifugal spinning system for sheath-core fibers |
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| CN110306247B true CN110306247B (en) | 2020-10-27 |
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| CN201343585Y (en) * | 2008-12-19 | 2009-11-11 | 青岛大学 | Electrostatic spinning device for producing nanofiber |
| US9827703B2 (en) * | 2013-03-13 | 2017-11-28 | Merit Medical Systems, Inc. | Methods, systems, and apparatuses for manufacturing rotational spun appliances |
| CN104928775B (en) * | 2014-03-21 | 2018-03-06 | 馨世工程教育有限公司 | A kind of centrifugal spinning device for being used to produce composite Nano micrometer fibers |
| CN203976119U (en) * | 2014-07-04 | 2014-12-03 | 周勇 | A kind of textile strand cylinder |
| CN105350095A (en) * | 2015-11-13 | 2016-02-24 | 广东工业大学 | Airflow-assisted centrifugal spinning device |
| CN108866657B (en) * | 2017-11-16 | 2019-10-18 | 武汉纺织大学 | A kind of collection device of polymer nanofiber |
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