CN114753026B - Spinning twisting device - Google Patents
Spinning twisting device Download PDFInfo
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- CN114753026B CN114753026B CN202210384461.8A CN202210384461A CN114753026B CN 114753026 B CN114753026 B CN 114753026B CN 202210384461 A CN202210384461 A CN 202210384461A CN 114753026 B CN114753026 B CN 114753026B
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- housing
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- 238000009987 spinning Methods 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 58
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 230000000903 blocking effect Effects 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007382 vortex spinning Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/88—Hollow-spindle arrangements
Abstract
The invention discloses a spinning twisting device, which relates to the technical field of spinning and comprises a housing, a hollow ingot head and an air injection device, wherein a first cavity through which a finished yarn passes is formed in the housing, the hollow ingot head is rotatably arranged on the housing, a first through hole which can be communicated with the first cavity is formed in the hollow ingot head, the air injection device is arranged below the hollow ingot head, the air injection device can blow and rotate air flow to convey a flat fiber bundle into the first through hole and enable the flat fiber bundle to twist rotationally, and the hollow ingot head can drive the flat fiber bundle positioned in the first through hole to twist rotationally. The hollow ingot head is arranged in a rotatable mode and is matched with the air injection device to drive the straight fiber bundles to rotate on the basis of air injection twisting, so that the twists of the outer fiber bundles and the core fiber bundles can be increased, the overall twisting degree is increased, the yarn twists are high, and the finished product effect is good.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a spinning twisting device.
Background
The spinning is a process of orderly arranging disordered flat fiber bundles in sequence such as opening, carding, drafting and the like, and then linearly converging and twisting the flat fiber bundles to a finished yarn. The hollow ingot head in the existing jet vortex spinning twisting device is not rotated, the straight fiber bundles in the previous working procedure are drawn by the drawing unit and then enter the yarn core in the hollow ingot head through the jet vortex cavity, the free tail ends of the fiber bundles fall on the outer side surface of the hollow ingot and rotate along with the rotating air flow at a high speed to twist into yarn, but the twist of the fiber bundles of the core parts of the finished yarn formed in the mode is lower, so that the overall twist is low, and the yarn finished product effect is poor.
Disclosure of Invention
The invention aims to provide a spinning twisting device which solves the problems in the prior art, and has the advantages of high yarn twist and good finished product effect.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a spinning twisting device which comprises a housing, a hollow ingot head and an air injection device, wherein a first cavity capable of enabling a finished yarn to pass through is formed in the housing, the hollow ingot head is rotatably arranged on the housing, a first through hole capable of being communicated with the first cavity is formed in the hollow ingot head, the air injection device is arranged below the hollow ingot head, the air injection device can inject rotary air flow to convey straight fiber bundles into the first through hole and enable the straight fiber bundles to twist in a rotary mode, and the hollow ingot head can rotate and drive the straight fiber bundles located in the first through hole to twist in a rotary mode.
Preferably, the hollow ingot head comprises a rotating shaft and a rotating body, the rotating shaft is fixedly connected with the rotating body, the rotating shaft is rotationally connected with the housing, the rotating shaft is provided with a rotating shaft through hole communicated with the first cavity, the rotating body is provided with a rotating body through hole communicated with the air injection device, the rotating shaft through hole and the rotating body through hole are communicated and jointly form the first through hole, the outer side wall of the rotating body is conical, and the outer diameter of one end of the rotating body, which is close to the air injection device, is smaller than the outer diameter of one end of the rotating body, which is far away from the air injection device.
Preferably, a first through hole communicated with the first cavity is formed in the housing, the outer diameter of the rotating shaft is smaller than the inner diameter of the first through hole, the rotating shaft can penetrate through the first through hole and extend to the inside of the first cavity, a first magnet capable of preventing the rotating shaft from falling out of the first through hole is fixedly arranged at one end of the rotating shaft located in the first cavity, a third magnet is fixedly arranged at one end, close to the rotating body, of the rotating shaft, a second magnet is arranged in the first cavity between the first magnet and the third magnet, a gap is formed between the upper end face of the second magnet and the lower end face of the first magnet, the same magnetic pole is formed between the upper end face of the bottom of the housing and the upper end face of the third magnet, and the lower end face of the second magnet and the upper end face of the third magnet are the same magnetic pole.
Preferably, the inner wall of the through hole of the rotating body, which is close to one end of the air injection device, is provided with a bulge capable of driving the straight fiber bundle to rotate.
Preferably, the first cavity is internally and fixedly provided with an air separator, the air separator is internally provided with a second through hole which can be communicated with the first through hole, the side wall of the air separator is circumferentially and uniformly provided with at least one air dispersing hole which is communicated with the second through hole, the housing is provided with a first air exhaust hole, each air dispersing hole is communicated with the first air exhaust hole, one end, far away from the hollow ingot head, of the second through hole can be filled with high-pressure air, and the high-pressure air can be radially and uniformly discharged from the axis through each air dispersing hole through the second through hole and can flow into the first through hole.
Preferably, the housing comprises an inner housing and an outer housing, the outer housing is sleeved outside the inner housing, the inner housing is provided with a second cavity capable of accommodating the air separator, the inner diameter of the second cavity is larger than the outer diameter of the air separator, the first exhaust hole is communicated with the second cavity, the two ends of the inner housing are respectively provided with a first opening and a second opening communicated with the second through hole, the inner diameter of the first opening is smaller than the outer diameter of one end, close to the first opening, of the air separator, the second opening is blocked with a perforated gasket capable of preventing the air separator from being separated, the perforated gasket is provided with at least one perforation communicated with the first through hole, the inner part of the outer housing is provided with a third cavity, the two ends of the outer housing are respectively provided with a third opening communicated with the first through hole, and the inner walls of the second cavity and the third cavity jointly form the first cavity.
Preferably, at least one rotating blade is fixedly arranged on the circumferential side wall of the rotating body, and the rotating air flow blown by the air-jet device can blow to each rotating blade and drive the hollow ingot head to rotate around the axis of the hollow ingot head.
Preferably, the air injection device comprises a nozzle and a blocking piece, the nozzle is provided with a third through hole, the hollow ingot head is arranged above an opening at one end of the third through hole, the blocking piece is blocked at one end of the third through hole away from the hollow ingot head, at least one rotary air channel capable of introducing air is arranged on the circumferential side wall of the nozzle, each rotary air channel is communicated with the third through hole, the air can spirally rise in the third through hole through each rotary air channel, and a feed inlet is arranged on the blocking piece.
Preferably, the blocking piece is further provided with a second through hole communicated with the third through hole.
Preferably, the device further comprises a cavity shell, wherein the cavity shell is provided with a hollow cavity, the housing, the hollow ingot head and the air injection device are all arranged in the hollow cavity of the cavity shell, a second air inlet and a second air outlet which are communicated with the hollow cavity of the cavity shell are arranged on the cavity shell, the second air inlet is communicated with each rotary air channel, and the second air outlet is used for removing redundant air.
Compared with the prior art, the invention has the following technical effects:
according to the invention, the hollow ingot head is arranged in a rotatable manner, and is matched with the air injection device, so that the hollow ingot head drives the straight fiber bundles to rotate on the basis of air injection twisting, and the twist of the outer fiber bundles and the core fiber bundles can be increased, thereby increasing the overall twisting degree, enabling the yarn twist to be high and enabling the finished product to be good in effect.
Further, the rotating body is arranged in a conical structure, so that the tail end of the fiber bundle can be twisted in a rotating way.
Furthermore, the hollow ingot head can be stably rotated by adopting a magnetic suspension mode.
Further, the arrangement of the protrusions can increase friction between the protrusions and the straight fiber bundles, and the through holes of the rotating body are driven to drive the straight fiber bundles to rotate, so that the twist is increased, and the twisting effect of the yarns is good.
Further, the diameter of the first through hole of the hollow ingot head is small, and the air separator can enable air to flow out of the first through hole more smoothly, so that the tail ends of the flat fiber bundles positioned in the first through hole can be blown out smoothly, and the air separator is not blocked in the first through hole.
Further, the housing adopts two components of inner shell and outer shell, and it makes things convenient for the installation of air separator, and the bottom sets up the trompil gasket, and it can make upper portion air current follow the through-hole outflow, makes rotation position heat in time give off, increase of service life.
Further, a plurality of rotary blades are arranged on the hollow spindle head, and the hollow spindle head is blown to rotate through the circulation of high-pressure gas, so that the hollow spindle head is simple in structure.
Further, the air injection device is composed of a nozzle and a blocking piece, the inlet wire is led through a feeding hole on the blocking piece, the inlet wire is stable and reliable, a rotary air duct is arranged on the side wall of the nozzle, the rotary air flow is formed in the nozzle through the inlet gas, the straight fiber bundles are driven to enter the hollow ingot head, and the inlet gas can drive the hollow ingot head to rotate, so that the air injection device is simple in structure.
Further, the second through hole arranged on the blocking piece can form a negative pressure area in the third through hole when the rotary airflow rises in a rotating mode, and the second through hole arranged on the blocking piece can provide upward external air, so that the circulation of the airflow in the third through hole is more stable.
Further, the cavity shell can ensure that the inside of the device is not influenced by other equipment, and the continuous and stable operation of the twisting process is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the whole structure of a spinning and twisting device provided by the invention;
FIG. 2 is an exploded view of the spinning and twisting device provided by the invention;
FIG. 3 is a cross-sectional view of the spinning and twisting apparatus of the present invention with the housing removed;
FIG. 4 is a schematic view of the structure of the housing in the spinning and twisting device provided by the invention;
FIG. 5 is a schematic structural view of an air separator in the spinning and twisting device provided by the invention;
FIG. 6 is a schematic view of the hollow ingot in the spinning and twisting device according to the present invention;
FIG. 7 is a schematic view of the structure of the air jet device in the spinning and twisting device according to the present invention;
fig. 8 is a schematic diagram of gas flow simulation of the spinning twisting device provided by the invention.
In the figure: 100-spinning twisting device; 1-a housing; 11-a first cavity; 2-an inner housing; 21-a second cavity; 22-a first air inlet hole; 23-an air intake cavity; 3-an outer shell; 31-a first vent; 32-a first through hole; 33-a third cavity; 4-hollow ingot head; 41-a rotating shaft; 42-rotating body; 43-a first magnet; 44-a second magnet; 45-a third magnet; 46-bulge; 47-rotating blades; 48-a first through hole; 5-air injection device; 51-nozzle; 52-plugging piece; 53-a feed inlet; 54-rotating air duct; 55-a second through hole; 56-a third through hole; 6-an air separator; 61-a second through hole; 62-air holes; 7-a cavity shell; 8-open pore gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a spinning twisting device which solves the problems existing in the prior art, and has the advantages of high yarn twist and good finished product effect.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment provides a spinning and twisting device 100, as shown in fig. 2 and 3, including a housing 1, a hollow ingot head 4 and an air injection device 5, the housing 1 is internally provided with a first cavity 11 through which a finished yarn can pass, the hollow ingot head 4 is rotatably arranged on the housing 1, the hollow ingot head 4 is internally provided with a first through hole 48 which can be communicated with the first cavity 11, the air injection device 5 is arranged below the hollow ingot head 4, the air injection device 5 can inject rotary air flow to convey a flat fiber bundle into the first through hole 48 and can rotationally twist the flat fiber bundle, and the hollow ingot head 4 can rotate and drive the flat fiber bundle positioned in the first through hole 48 to rotationally twist. Through setting the hollow ingot head 4 to the rotatable mode, on the basis of jet twisting in cooperation with the jet device 5, the hollow ingot head 4 drives the rotation of the straight fiber bundle, can increase the twist of outside fiber bundle and core fiber bundle to increase whole degree of twisting, make yarn twist high, the finished product is effectual.
Specifically, the twisting principle is that the tail end of the straight fiber bundle can fall on the outer side wall of the rotating body 42 of the hollow ingot head 4 to perform rotating motion by the rotating air flow provided by the air injection device 5, the tail end of the fiber is subjected to tangential friction force of the outer side wall of the rotating body 42, tangential acting force of the rotating air flow on the surface of the fiber is added, the hollow ingot head 4 rotates to drive the fiber to rotate, the twists of the outer fiber bundle and the core fiber bundle are increased, rotating moment is jointly generated, when the rotating moment is large enough to overcome the torsional rigidity of the fiber, the fiber rolls on the surface to generate fiber twist, the fiber twist deformation is caused, cohesive force among the twisted fibers is increased, and the twist of the yarn is improved.
In an alternative of this embodiment, as shown in fig. 2 and 6, preferably, the hollow ingot head 4 includes a rotating shaft 41 and a rotating body 42, the rotating shaft 41 is fixedly connected with the rotating body 42, the rotating shaft 41 is rotatably connected with the housing 1, the rotating shaft 41 has a through hole of the rotating shaft 41 communicating with the first cavity 11, the rotating body 42 has a through hole of the rotating body 42 communicating with the air-jet device 5, the through hole of the rotating shaft 41 and the through hole of the rotating body 42 are communicated and jointly form a first through hole 48, an outer side wall of the rotating body 42 is conical, and an outer diameter of an end of the rotating body 42 close to the air-jet device 5 is smaller than an outer diameter of an end of the rotating body 42 far away from the air-jet device 5. The rotary body 42 is provided in a tapered configuration to facilitate rotational twisting of the trailing end of the flat fiber bundle.
In the alternative of this embodiment, as shown in fig. 2 to 4 and 6, preferably, the casing 1 is provided with a first through hole 32 that is communicated with the first cavity 11, the outer diameter of the rotating shaft 41 is smaller than the inner diameter of the first through hole 32, the rotating shaft 41 can pass through the first through hole 32 and extend into the first cavity 11, one end of the rotating shaft 41 located in the first cavity 11 is fixedly provided with a first magnet 43 that can prevent the rotating shaft 41 from falling out of the first through hole 32, one end of the rotating shaft 41 near the rotating body 42 is fixedly provided with a third magnet 45, a second magnet 44 is arranged in the first cavity 11 between the first magnet 43 and the third magnet 45, specifically, the second magnet 44 is formed by three magnets, and the three magnets are uniformly fixed on the inner wall of the bottom of the casing 1 along the axial direction of the first through hole 32, and the side walls of the three magnets near the rotating shaft 41 are all the same magnetic poles, so that the upper end surface of the second magnet 44 has a gap with the lower end surface of the first magnet 43 and the same magnetic pole, the outer wall of the bottom of the casing 1 has the same gap with the third magnet 45, and the upper end surface of the second magnet 44 has the same magnetic pole with the upper end surface of the third magnet 45. The hollow ingot head 4 can be stably rotated by adopting a magnetic suspension mode.
In the alternative of this embodiment, as shown in fig. 3, preferably, the inner wall of the through hole of the rotating body 42 near one end of the air injection device 5 is provided with protrusions 46 capable of driving the straight fiber bundles to rotate, and specifically, the protrusions 46 are ribs, and the ribs are uniformly and circumferentially arranged along the axis direction of the rotating body 42. The protrusions 46 can increase friction between the protrusions and the flat fiber bundles, and drive the through holes of the rotating body 42 to drive the flat fiber bundles to rotate, so that the core twist of the yarn is increased, the finished yarn of the existing spinning ingot head only has the twisting of the outer fiber bundles, the twist of the fiber bundles of the core is low, and the twisting effect of the yarn is good due to the increase of the twist of the core.
In the alternative of this embodiment, as shown in fig. 2, 5 and 8, preferably, the air separator 6 is fixedly disposed in the first cavity 11, specifically, the air separator 6 has a structure that has the same function as that of the swiss dado J26 jet spinning machine and the same function, the second through holes 61 capable of communicating with the first through holes 48 are provided in the air separator 6, at least one air dispersing hole 62 communicating with the second through holes 61 is uniformly provided on the sidewall of the air separator 6 in the circumferential direction, the first air exhaust hole 31 is provided on the housing 1, each air dispersing hole 62 is communicated with the first air exhaust hole 31, the end of the second through hole 61 far from the hollow ingot head 4 can be introduced with high pressure air, and the high pressure air can be uniformly discharged from the axis line through each air dispersing hole 62 in the radial direction and can flow into the first through holes 48. The air separator 6 is provided so that the diameter of the first through-hole 48 of the hollow ingot head 4 is small, and the air can flow out of the first through-hole 48 more smoothly, so that the end of the straight fiber bundle positioned in the first through-hole 48 can be blown out smoothly without being blocked in the first through-hole 48, and the air blown out of the first through-hole 48 acts against the rotating air flow blown from the bottom, so that the free tail end of the straight fiber bundle falls down smoothly on the outer wall of the rotating body 42.
In the alternative of this embodiment, as shown in fig. 3, preferably, the casing 1 includes an inner casing 2 and an outer casing 3, the outer casing 3 is sleeved outside the inner casing 2, the inner casing 2 has a second cavity 21 capable of holding the air separator 6, the inner diameter of the second cavity 21 is larger than the outer diameter of the air separator 6, the first exhaust hole 31 is communicated with the second cavity 21, two ends of the inner casing 2 are respectively provided with a first opening and a second opening communicated with the first opening, specifically, one end of the inner casing 2 close to the first opening is provided with an air inlet cavity 23, the air inlet cavity 23 is communicated with a first air inlet hole 22, the air inlet cavity 23 is communicated with a second through hole 61, the first opening is communicated with the second through hole 61, the inner diameter of the first opening is smaller than the outer diameter of one end of the air separator 6 close to the first opening, the second opening is plugged with an open pore gasket 8 capable of preventing the air separator 6 from being separated, specifically, the open pore gasket 8 is adhered to the second opening, at least one through hole communicated with the first through hole 32 is formed in the open pore gasket 8, the inner casing 3 is internally provided with a third cavity 33, the two ends of the outer casing 3 are respectively communicated with the first through hole 33 and the third through hole 32. The housing 1 adopts two to constitute of interior casing 2 and shell body 3, its installation that makes things convenient for air separator 6, and the bottom sets up trompil gasket 8, it can make upper portion air current flow from first through-hole 32, make rotation position heat in time distribute, increase of service life, and upper portion air current can flow from first through-hole 32, also can prevent to block up the through-hole like the miscellaneous fibre in the straight fibre bundle, and when the air current that upper portion flowed through can evenly flow through and flow into first through-hole 32 from trompil gasket 8 in the circumference, the air current can be at pivot 41 circumference extrusion, make pivot 41 can keep the separation state with first through-hole 32 inner wall.
In the alternative of this embodiment, as shown in fig. 2, preferably, at least one rotating blade 47 is fixedly disposed on a circumferential side wall of the rotating body 42, and the rotating air flow blown by the air-blowing device 5 can blow to each rotating blade 47 and drive the hollow ingot head 4 to rotate around its own axis. A plurality of rotary blades 47 are provided on the hollow ingot head 4, and the hollow ingot head is rotated by the flow of high-pressure gas, and has a simple structure.
In the alternative of this embodiment, as shown in fig. 2 and 7, preferably, the air injection device 5 includes a nozzle 51 and a blocking member 52, the nozzle 51 has a third through hole 56, the hollow ingot head 4 is disposed above an opening at one end of the third through hole 56, the blocking member 52 blocks an opening at one end of the third through hole 56 far away from the hollow ingot head 4, specifically, the blocking member 52 is fixedly adhered to an opening at one end of the third through hole 56, at least one rotating air duct 54 capable of introducing air is disposed on a circumferential side wall of the nozzle 51, specifically, 4 rotating air ducts 54 are disposed on a circumferential side wall of the nozzle 51, each rotating air duct 54 spirally penetrates through an inner side wall and an outer side wall of the nozzle 51, an air outlet of each rotating air duct 54 is close to one end of the hollow ingot head 4, each rotating air duct 54 is communicated with the third through hole 56, the air can spirally rise in the third through each rotating air duct 54, and a feeding port 53 is disposed on the blocking member 52. The air injection device 5 is composed of a nozzle 51 and a blocking piece 52, the inlet wire is led in through a feed inlet 53 on the blocking piece 52, the inlet wire is stable and reliable, a rotary air duct 54 is arranged on the side wall of the nozzle 51, the air is led in, so that rotary air flow is formed in the nozzle 51, a straight fiber bundle is driven to enter the hollow ingot head 4, and the led-in air can drive the hollow ingot head 4 to rotate, so that the structure is simple.
In an alternative of this embodiment, as shown in fig. 7, preferably, the blocking member 52 is further provided with a second through hole 55 that communicates with the third through hole 56. The second through hole 55 provided on the blocking member 52 forms a negative pressure region in the third through hole 56 when the rotating air flow rises, and the second through hole 55 provided on the blocking member 52 can provide upward external air, so that the air flow in the third through hole 56 is more stable.
In an alternative of this embodiment, as shown in fig. 1 and 2, preferably, the spinning and twisting device 100 further includes a cavity housing 7, the cavity housing 7 has a hollow cavity, the housing 1, the hollow ingot head 4 and the air injection device 5 are all disposed in the hollow cavity, and the cavity housing 7 is provided with a second air inlet hole and a second air outlet hole, the second air inlet hole is all communicated with each rotating air duct 54, the second air outlet hole is used for removing redundant air, and in particular, the second air outlet hole is used for discharging air blown by the spinning and twisting device 100.
Specifically, the air separator 6 has the same structure and the same function as those of the air separator in the swiss lida J26 jet spinning machine, and only the function is briefly introduced, as shown in fig. 8, the high-pressure air is introduced into the air inlet cavity 23 at the first air inlet hole 22, and the air separator 6 is arranged to disperse the downward high-pressure air flow and stably introduce the downward air flow into the first through hole 48 of the hollow ingot head 4, so that the fiber bundle tail ends outside the flat fiber bundles in the first through hole 48 are blown out of the first through hole 48, and then the high-pressure rotary air flow entering from each rotary air duct 54 of the nozzle 51 through the bottom is blown to the fiber bundle tail ends to perform rotary twisting of the air flow and the rotary twisting driven by the hollow ingot head 4.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; meanwhile, it is possible for those skilled in the art to, in accordance with the idea of the present invention, there are variations to the specific embodiments and the application scope. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (7)
1. A spinning and twisting device, characterized in that: the device comprises a housing, a hollow ingot head and an air injection device, wherein a first cavity capable of allowing yarns to pass through is formed in the housing, the hollow ingot head is rotatably arranged on the housing, a first through hole capable of being communicated with the first cavity is formed in the hollow ingot head, the air injection device is arranged below the hollow ingot head, the air injection device can be used for injecting rotary air flow to convey a flat fiber bundle into the first through hole and enabling the flat fiber bundle to twist rotationally, and the hollow ingot head can rotate and drive the flat fiber bundle positioned in the first through hole to twist rotationally;
the hollow ingot head comprises a rotating shaft and a rotating body, the rotating shaft is fixedly connected with the rotating body, the rotating shaft is rotationally connected with the housing, the rotating shaft is provided with a rotating shaft through hole communicated with the first cavity, the rotating body is provided with a rotating body through hole communicated with the air injection device, the rotating shaft through hole and the rotating body through hole are communicated and jointly form the first through hole, the outer side wall of the rotating body is conical, and the outer diameter of one end of the rotating body, which is close to the air injection device, is smaller than the outer diameter of one end of the rotating body, which is far away from the air injection device;
the housing is provided with a first through hole communicated with the first cavity, the outer diameter of the rotating shaft is smaller than the inner diameter of the first through hole, and the rotating shaft can pass through the first through hole and extend into the first cavity;
an air separator is fixedly arranged in the first cavity, a second through hole which can be communicated with the first through hole is formed in the air separator, and high-pressure gas can be introduced into one end, far away from the hollow ingot head, of the second through hole;
the air injection device comprises a nozzle and a blocking piece, the nozzle is provided with a third through hole, the hollow ingot head is arranged above an opening at one end of the third through hole, the blocking piece is blocked at an opening at one end of the third through hole far away from the hollow ingot head, at least one rotating air channel capable of introducing air is arranged on the circumferential side wall of the nozzle, each rotating air channel is communicated with the third through hole, the air can spirally rise in the third through hole through each rotating air channel, and a feed inlet is arranged on the blocking piece;
and a second through hole communicated with the third through hole is also formed in the blocking piece.
2. The spinning and twisting device according to claim 1, wherein: the rotating shaft is located at one end of the first cavity, a first magnet capable of preventing the rotating shaft from falling out of the first through hole is fixedly arranged at one end of the rotating shaft, which is close to the rotating body, a third magnet is fixedly arranged at one end of the rotating shaft, a second magnet is arranged in the first cavity between the first magnet and the third magnet, the upper end face of the second magnet and the lower end face of the first magnet are provided with gaps and are the same magnetic poles, the outer wall of the bottom of the housing is provided with gaps with the upper end face of the third magnet, and the lower end face of the second magnet and the upper end face of the third magnet are the same magnetic poles.
3. The spinning and twisting device according to claim 1, wherein: the inner wall of the through hole of the rotating body, which is close to one end of the air injection device, is provided with a bulge which can drive the straight fiber bundle to rotate.
4. The spinning and twisting device according to claim 2, wherein: at least one air dispersing hole communicated with the second through hole is uniformly formed in the side wall of the air separator in the circumferential direction, a first air discharging hole is formed in the housing, each air dispersing hole is communicated with the first air discharging hole, and high-pressure air can be uniformly discharged from the axis through each air dispersing hole in the second through hole in the radial direction and can flow into the first through hole.
5. The spinning and twisting device according to claim 4, wherein: the housing comprises an inner housing and an outer housing, the outer housing is sleeved outside the inner housing, the inner housing is provided with a second cavity capable of accommodating the air separator, the inner diameter of the second cavity is larger than the outer diameter of the air separator, the first exhaust hole is communicated with the second cavity, the two ends of the inner housing are respectively provided with a first opening and a second opening communicated with the second through hole, the inner diameter of the first opening is smaller than the outer diameter of one end, close to the first opening, of the air separator, the second opening is blocked with an open-pore gasket capable of preventing the air separator from falling out, the open-pore gasket is provided with at least one perforation communicated with the first through hole, the inner portion of the outer housing is provided with a third cavity, the two ends of the outer housing are respectively provided with a third opening communicated with the first through hole, and the second cavity and the inner wall of the third cavity jointly form the first cavity.
6. The spinning and twisting device according to claim 2, the method is characterized in that: at least one rotary blade is fixedly arranged on the circumferential side wall of the rotary body, and the rotary air flow blown by the air-jet device can be blown to each rotary blade and drive the hollow ingot head to rotate around the axis of the hollow ingot head.
7. The spinning and twisting device according to claim 1, wherein: the hollow ingot head is provided with a hollow cavity, the air injection device is arranged in the hollow cavity of the cavity, a second air inlet and a second air outlet which are communicated with the hollow cavity of the cavity are formed in the cavity, the second air inlet is communicated with each rotary air channel, and the second air outlet is used for removing redundant air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384461.8A CN114753026B (en) | 2022-04-13 | 2022-04-13 | Spinning twisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113174666A (en) * | 2021-04-14 | 2021-07-27 | 东华大学 | High-temperature superconducting magnetic suspension twisting device with thermal isolation function |
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| CN102517697A (en) * | 2011-10-10 | 2012-06-27 | 东华大学 | Fiber self-twisting hollow ingot in air-jet vortex spinning |
| CN103290542A (en) * | 2013-06-24 | 2013-09-11 | 东华大学 | Air-jet vortex spinning slot type hollow ingot |
| CN103305980A (en) * | 2013-06-24 | 2013-09-18 | 东华大学 | Air-injection vortex-spinning groove-shaped self-twist hollow spindle |
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| CN114753026A (en) | 2022-07-15 |
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