CN114753026A - Spinning twisting device - Google Patents
Spinning twisting device Download PDFInfo
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- CN114753026A CN114753026A CN202210384461.8A CN202210384461A CN114753026A CN 114753026 A CN114753026 A CN 114753026A CN 202210384461 A CN202210384461 A CN 202210384461A CN 114753026 A CN114753026 A CN 114753026A
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- hole
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- spindle head
- hollow spindle
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- 238000009987 spinning Methods 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 238000002347 injection Methods 0.000 claims abstract description 35
- 239000007924 injection Substances 0.000 claims abstract description 35
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010042 air jet spinning Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007382 vortex spinning Methods 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a spinning twisting device, which relates to the technical field of spinning and comprises a housing, a hollow spindle head and an air injection device, wherein a first cavity through which finished yarns pass is formed in the housing, the hollow spindle head is rotationally arranged on the housing, a first through hole capable of being communicated with the first cavity is formed in the hollow spindle head, the air injection device is arranged below the hollow spindle head, the air injection device can inject rotary air flow to convey a straight fiber bundle to the first through hole and enable the straight fiber bundle to be twisted in a rotating mode, and the hollow spindle head can drive the straight fiber bundle in the first through hole to be twisted in a rotating mode. The hollow spindle head is set to be capable of rotating, the hollow spindle head is matched with an air injection device to drive the straight fiber bundle to rotate on the basis of air injection twisting, the twist of the fiber bundle at the outer side and the core part can be increased, the integral twisting degree is increased, the yarn twist is 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 the working procedures of opening, carding, drafting and the like, and then linearly converging and twisting the arranged flat fiber bundles to finished yarns. The hollow spindle head in the existing air-jet vortex spinning twisting device is not rotated, a straight fiber bundle in the previous procedure is pulled by a traction unit and then passes through an air-jet vortex cavity, the head end of the straight fiber bundle enters a yarn core in the hollow spindle head, the free tail end of the fiber bundle falls down on the outer surface of the hollow spindle and rotates at a high speed along with rotating airflow to be twisted into yarn, but the twist of the fiber bundle in the core part of the finished yarn formed by the method is lower, so that the integral twist is low, and the finished yarn effect is poor.
Disclosure of Invention
The invention aims to provide a spinning twisting device, which solves the problems in the prior art and ensures that the yarn has high twist and the finished product has good effect.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a spinning twisting device which comprises a housing, a hollow spindle head and an air injection device, wherein a first cavity through which finished yarns can pass is formed in the housing, the hollow spindle head is rotationally arranged on the housing, a first through hole communicated with the first cavity is formed in the hollow spindle head, the air injection device is arranged below the hollow spindle head, the air injection device can inject rotary air flow to convey a straight fiber bundle into the first through hole and enable the straight fiber bundle to rotate and twist, and the hollow spindle head can rotate and drive the straight fiber bundle in the first through hole to rotate and twist.
Preferably, the hollow spindle nose includes pivot and rotator, the pivot with rotator fixed connection, the pivot with the housing rotates and is connected, the pivot have with the pivot through-hole of first cavity intercommunication, the rotator have with the rotator through-hole of air jet system intercommunication, the pivot through-hole with rotator through-hole intercommunication just forms jointly first through-hole, the rotator lateral wall is the taper shape, just the rotator is close to the one end external diameter of air jet system is less than the rotator is kept away from the external diameter of air jet system one end.
Preferably, set up on the housing with the first through-hole of first cavity intercommunication, the pivot external diameter is less than the internal diameter of first through-hole, the pivot can pass first through-hole extends to inside the first cavity, the pivot is located fixed being provided with in the first cavity can prevent the pivot is deviate from the first magnet of first through-hole, just the pivot is close to the fixed third magnet that is provided with in one end of rotator, first magnet with between the third magnet be provided with the second magnet in the first cavity, second magnet up end with first magnet down end face is gapped and is the same magnetic pole, housing bottom outer wall with third magnet up end face is gapped, just second magnet down end face with third magnet up end face is the same magnetic pole.
Preferably, a protrusion capable of driving the straight fiber bundle to rotate is arranged on the inner wall of one end of the through hole of the rotating body, which is close to the air injection device.
Preferably, an air separator is fixedly arranged in the first cavity, a second through hole capable of being communicated with the first through hole is formed in the air separator, at least one air diffusing hole communicated with the second through hole is uniformly formed in the side wall of the air separator in the circumferential direction, a first exhaust hole is formed in the housing, each air diffusing hole is communicated with the first exhaust hole, high-pressure gas can be introduced into one end, far away from the hollow spindle head, of the second through hole, and the high-pressure gas can be uniformly discharged from the axis of the second through hole in the radial direction through each air diffusing 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 placing 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, two ends of the inner housing are respectively provided with a first opening and a second opening which are communicated with the inner housing, the first opening is 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 plugged with a perforated gasket capable of preventing the air separator from coming off, the perforated gasket is provided with at least one through hole communicated with the first through hole, a third cavity is arranged inside the outer housing, and two ends of the outer housing are respectively provided with the third opening and the first through hole which are communicated with the outer housing, the second cavity and the inner wall of 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 airflow blown by the air blowing device can blow to each rotating blade and drive the hollow spindle head to rotate around the axis of the hollow spindle head.
Preferably, the air injection device comprises a nozzle and a blocking piece, the nozzle is provided with a third through hole, the hollow spindle head is arranged above an opening at one end of the third through hole, the blocking piece blocks an opening at one end, far away from the hollow spindle head, of the third through hole, at least one rotary air duct capable of introducing air is arranged on the circumferential side wall of the nozzle, each rotary air duct is communicated with the third through hole, the air can spirally rise in the third through hole through each rotary air duct, and the blocking piece is provided with a feed inlet.
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, the cavity shell is provided with a hollow cavity, the housing shell, the hollow spindle head and the air injection device are all arranged in the hollow cavity of the cavity shell, the cavity shell is provided with a second air inlet and a second air outlet which are communicated with the hollow cavity of the cavity shell, the second air inlet is communicated with each rotary air duct, and the second air outlet is used for discharging redundant air.
Compared with the prior art, the invention achieves the following technical effects:
According to the invention, the hollow spindle head is set to be capable of rotating, and the hollow spindle head is matched with the air injection device to drive the flat fiber bundle to rotate on the basis of air injection twisting, so that the twist of the fiber bundle at the outer side and the fiber bundle at the core part can be increased, the integral twisting degree is increased, the yarn twist is high, and the finished product effect is good.
Furthermore, the rotating body is arranged to be a conical structure, so that the rotating twisting of the tail end of the straight fiber bundle is facilitated.
Furthermore, the hollow spindle head can stably rotate by adopting a magnetic suspension mode.
Furthermore, the friction between the protruding setting and the straight fiber bundle can be increased, the rotating body through hole is driven to drive the rotation of the straight fiber bundle, the twist degree is increased, and the twisting effect of the yarn is good.
Furthermore, based on the small caliber of the first through hole of the hollow spindle head, the arranged air separator can enable air to flow out of the first through hole more smoothly, so that the tail end of the straight fiber bundle in the first through hole can be blown out smoothly without being blocked in the first through hole.
Furthermore, the housing adopts an inner housing and an outer housing, so that the air separator is convenient to install, the bottom of the housing is provided with the perforated gasket, the upper airflow can flow out of the through hole, heat at the rotating position can be timely dissipated, and the service life of the air separator is prolonged.
Furthermore, a plurality of rotating blades are arranged on the hollow ingot head, and the hollow ingot head is blown to rotate through the circulation of high-pressure gas, so that the structure is simple.
Furthermore, the air injection device is composed of a nozzle and a blocking piece, the inlet wire is stable and reliable through a feed inlet on the blocking piece, the side wall of the nozzle is provided with a rotary air duct, rotary air flow is formed in the nozzle through introducing air, the flat fiber bundle is driven to enter the hollow spindle head, and the introduced air can drive the hollow spindle head to rotate, so that the structure is simple.
Furthermore, the second through hole that sets up on the stifled piece, rotatory air current can form the negative pressure region in the third through hole when rotatory rising, and the second through hole that sets up on the stifled piece can provide ascending ambient gas, makes the circulation of the interior air current of third through hole more stable.
Furthermore, the cavity shell can ensure that the device is not influenced by other equipment in the device, 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 required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a spinning and twisting apparatus provided in the present invention;
FIG. 2 is an exploded view of the spinning and twisting apparatus provided in the present 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 structural diagram of a housing in the spinning and twisting apparatus provided by the present 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 structural view of a hollow spindle head in the spinning and twisting apparatus provided in the present invention;
FIG. 7 is a schematic structural diagram of an air jet device in the spinning and twisting device provided by the invention;
fig. 8 is a schematic view showing the simulation of the air flow of the spinning and twisting device provided by the invention.
In the figure: 100-a spinning twisting device; 1-a housing; 11-a first cavity; 2-an inner housing; 21-a second cavity; 22-a first air intake; 23-an air intake cavity; 3-an outer shell; 31-a first vent; 32-a first via; 33-a third cavity; 4-hollow ingot head; 41-a rotating shaft; 42-a rotating body; 43-a first magnet; 44-a second magnet; 45-a third magnet; 46-a bump; 47-rotating blades; 48-first through-going hole; 5-an air injection device; 51-a nozzle; 52-a closure; 53-feed inlet; 54-rotating air duct; 55-a second via; 56-third through hole; 6-air separator; 61-a second through hole; 62-air dispersing holes; 7-a cavity shell; 8-perforated gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a spinning twisting device, which solves the problems in the prior art and ensures that the yarn has high twist and the finished product has good effect.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
Example one
The embodiment provides a spinning and twisting device 100, as shown in fig. 2 and fig. 3, which includes a housing 1, a hollow spindle head 4 and an air injection device 5, wherein a first cavity 11 through which a finished yarn can pass is formed in the housing 1, the hollow spindle head 4 is rotatably disposed on the housing 1, a first through hole 48 which can be communicated with the first cavity 11 is formed in the hollow spindle head 4, the air injection device 5 is disposed below the hollow spindle head 4, the air injection device 5 can inject a rotating air flow to convey a straight fiber bundle into the first through hole 48 and can rotate and twist the straight fiber bundle, and the hollow spindle head 4 can rotate and drive the straight fiber bundle located in the first through hole 48 to rotate and twist. Through setting up hollow spindle nose 4 into the mode that can rotate, cooperation air jet equipment 5 is on air jet twisting's basis, and hollow spindle nose 4 drives the rotation of straight tow, can increase the twist of outside tow and core tow to increase whole twisting degree, make the yarn twist high, the finished product is effectual.
Specifically, the twisting principle is that the rotating airflow provided by the air jet device 5 can make the tail end of the straight fiber bundle fall on the outer side wall of the rotating body 42 of the hollow spindle head 4 to rotate, the tail end of the fiber is subjected to the tangential friction force of the outer side wall of the rotating body 42, and the tangential acting force of the rotating airflow on the surface of the fiber is added, and the hollow spindle head 4 rotates to drive the fiber to rotate, so that the twist degrees of the fiber bundle at the outer side and the core part are increased, a rotating torque is generated jointly, when the rotating torque is large enough to overcome the torsional rigidity of the fiber, the fiber rolls on the surface of the fiber, fiber twisting is generated, the fiber is subjected to torsional deformation, the cohesive force between the fibers with twisting is increased, and the twist degree of the yarn is improved.
In an alternative of this embodiment, preferably, as shown in fig. 2 and fig. 6, the hollow spindle head 4 includes a rotating shaft 41 and a rotating body 42, the rotating shaft 41 is fixedly connected to the rotating body 42, the rotating shaft 41 is rotatably connected to the housing 1, the rotating shaft 41 has a through hole of the rotating shaft 41 communicated with the first cavity 11, the rotating body 42 has a through hole of the rotating body 42 communicated with the air injection device 5, the through hole of the rotating shaft 41 is communicated with the through hole of the rotating body 42 and jointly forms 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 injection device 5 is smaller than an outer diameter of an end of the rotating body 42 far from the air injection device 5. The rotary body 42 is provided with a conical structure to facilitate the rotary twisting of the tail end of the flat fiber bundle.
In an alternative of this embodiment, as shown in fig. 2 to 4 and 6, preferably, the housing 1 is formed with a first through hole 32 communicating with the first cavity 11, an outer diameter of the rotating shaft 41 is smaller than an 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 capable of preventing the rotating shaft 41 from coming out of the first through hole 32, one end of the rotating shaft 41 close to 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, the three magnets are uniformly fixed on an inner wall of the bottom of the housing 1 along an axial direction of the first through hole 32, and side walls of the three magnets close to the rotating shaft 41 have the same magnetic pole, so that the rotating shaft 41 can rotate without friction, the upper end face of the second magnet 44 and the lower end face of the first magnet 43 have a gap and are of the same magnetic pole, the outer wall of the bottom of the housing 1 and the upper end face of the third magnet 45 have a gap, and the lower end face of the second magnet 44 and the upper end face of the third magnet 45 have the same magnetic pole. The hollow spindle head 4 can be stably rotated by adopting a magnetic suspension mode.
In an alternative of this embodiment, preferably, as shown in fig. 3, protrusions 46 capable of driving the straight fiber bundles to rotate are provided on an inner wall of the through hole of the rotating body 42 at an end close to the air injection device 5, specifically, the protrusions 46 are convex ribs, and the convex ribs are uniformly circumferentially arranged along an axial direction of the rotating body 42. The arrangement of the bulge 46 can increase the friction between the bulge and the straight fiber bundle, and drive the through hole of the rotating body 42 to drive the straight fiber bundle to rotate, so as to increase the twist of the yarn core, the finished yarn of the existing spinning spindle head only has the twisting of the external fiber bundle, the twist of the fiber bundle of the core is low, and the twist increase of the core makes the twisting effect of the yarn good.
In an alternative of this embodiment, preferably, as shown in fig. 2, 5 and 8, an air separator 6 is fixedly disposed in the first cavity 11, specifically, the air separator 6 has a conventional structure, which has the same function as that of a swiss ltd J26 jet spinning machine, the air separator 6 has a second through hole 61 capable of communicating with the first through hole 48 therein, at least one air diffusion hole 62 communicating with the second through hole 61 is uniformly formed in the sidewall of the air separator 6 in the circumferential direction, the housing 1 is provided with the first vent hole 31, each air diffusion hole 62 communicates with the first vent hole 31, one end of the second through hole 61 away from the hollow spindle nose 4 can be filled with high-pressure gas, and the high-pressure gas can be uniformly discharged from the axis through each air diffusion hole 62 in the second through hole 61 in the radial direction and can flow into the first through hole 48. The first through hole 48 of the hollow spindle head 4 has a small caliber, the air separator 6 can enable air to flow out from the first through hole 48 more smoothly, the tail 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 from the first through hole 48 and the rotating airflow blown from the bottom act oppositely, so that the free tail end of the straight fiber bundle is smoothly laid on the outer wall of the rotating body 42.
In an alternative scheme of this embodiment, preferably, as shown in fig. 3, the housing 1 includes an inner shell 2 and an outer shell 3, the outer shell 3 is sleeved outside the inner shell 2, the inner shell 2 has a second cavity 21 capable of accommodating the air separator 6, an inner diameter of the second cavity 21 is greater than an outer diameter of the air separator 6, the first exhaust hole 31 is communicated with the second cavity 21, two ends of the inner shell 2 are respectively provided with a first opening and a second opening communicated therewith, specifically, one end of the inner shell 2 close to the first opening is provided with an air intake cavity 23, the air intake cavity 23 is communicated with a first air intake hole 22, the air intake cavity 23 is communicated with a second through hole 61, the first opening is communicated with the second through hole 61, and an inner diameter of the first opening is smaller than an outer diameter of one end of the air separator 6 close to the first opening, the second opening is plugged with a hole gasket 8 capable of preventing the air separator 6 from coming off, specifically, the opening gasket 8 is adhered to the second opening, at least one through hole communicated with the first through hole 32 is formed in the opening gasket 8, a third cavity 33 is formed in the outer shell 3, the third opening and the first through hole 32 are respectively formed in the two ends of the outer shell 3, and the second cavity 21 and the inner wall of the third cavity 33 jointly form the first cavity 11. Casing 1 adopts two constitutions of interior casing 2 and shell body 3, it makes things convenient for air separator 6's installation, and the bottom sets up trompil gasket 8, it can make the upper portion air current flow from first through-hole 32, make the rotational position heat in time distribute, and prolonged service life, and the upper portion air current can flow from first through-hole 32, also can prevent like the miscellaneous fibre jam through-hole in the straight fibre bundle, and when the air current that flows through in the upper portion can evenly flow through and flow to first through-hole 32 from trompil gasket 8 by circumference, the air current can be at 41 circumference extrusions of pivot, make pivot 41 can keep the detached state with first through-hole 32 inner wall.
In an alternative of this embodiment, it is preferable that, as shown in fig. 2, 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 spindle head 4 to rotate around its axis. The hollow spindle head 4 is provided with a plurality of rotating blades 47 which are blown to rotate by the circulation of high-pressure gas, and the structure is simple.
In an alternative of this embodiment, preferably, as shown in fig. 2 and fig. 7, the gas injection device 5 includes a nozzle 51 and a blocking piece 52, the nozzle 51 has a third through hole 56, the hollow spindle head 4 is disposed above an opening at one end of the third through hole 56, and the blocking piece 52 blocks an opening at one end of the third through hole 56 far from the hollow spindle head 4, specifically, the blocking piece 52 is adhesively fixed to an opening at one end of the third through hole 56, at least one rotating air duct 54 capable of introducing gas 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 inner and outer side walls of the nozzle 51, an air outlet of each rotating air duct 54 is close to one end of the hollow spindle head 4, each rotating air duct 54 is communicated with the third through hole 56, the gas can spirally rise in the third through each rotating air duct 54, the plug 52 is provided with a feed opening 53. The air injection device 5 is composed of a nozzle 51 and a blocking piece 52, the air is fed through a feed port 53 on the blocking piece 52 stably and reliably, a rotary air duct 54 is arranged on the side wall of the nozzle 51, rotary air flow is formed in the nozzle 51 by introducing air, the flat fiber bundle is driven to enter the hollow spindle head 4, and the introduced air can drive the hollow spindle head 4 to rotate, so that the structure is simple.
In an alternative embodiment of the present invention, preferably, as shown in fig. 7, the blocking piece 52 is further provided with a second through hole 55 communicated with a third through hole 56. The second through hole 55 provided in the plug 52 can form a negative pressure region in the third through hole 56 when the rotating airflow rises, and the second through hole 55 provided in the plug 52 can provide upward external air, so that the airflow in the third through hole 56 flows more stably.
In an alternative of this embodiment, preferably, as shown in fig. 1 and fig. 2, the spinning and twisting device 100 further includes a cavity shell 7, the cavity shell 7 has a hollow cavity, the housing 1, the hollow spindle head 4 and the air injection device 5 are all disposed in the hollow cavity, and the cavity shell 7 is provided with a second air inlet and a second air outlet, the second air inlet is communicated with each of the rotary air ducts 54, the second air outlet is used for exhausting excess air, and specifically, the second air outlet is used for exhausting air blown by the spinning and twisting device 100.
Specifically, the air separator 6 has the same structure and the same function as the air separator in the swiss ltd J26 air jet spinning machine, and only the function is briefly described here, as shown in fig. 8, high-pressure air is introduced into the air inlet cavity 23 through the first air inlet 22, the air separator 6 is arranged to disperse downward high-pressure air flow and stably introduce the air flow with the downward center into the first through hole 48 of the hollow spindle head 4, so that the fiber bundle tail ends outside the straight fiber bundles in the first through hole 48 are blown out of the first through hole 48, and then the high-pressure rotating air flow entering from each rotating air duct 54 of the nozzle 51 through the bottom blows the fiber bundle tail ends to perform rotating twisting of the air flow and rotating twisting driven by the rotation of the hollow spindle head 4.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A spinning twisting device is characterized in that: the yarn spinning device comprises a housing, a hollow spindle head and an air injection device, wherein a first cavity through which yarns can pass is formed in the housing, the hollow spindle head is rotatably arranged on the housing, a first through hole capable of being communicated with the first cavity is formed in the hollow spindle head, the air injection device is arranged below the hollow spindle head, the air injection device can inject rotary air flow to convey a straight fiber bundle to the first through hole and can rotate and twist the straight fiber bundle, and the hollow spindle head can rotate and drive the straight fiber bundle in the first through hole to rotate and twist.
2. A spinning twisting apparatus according to claim 1, wherein: the hollow spindle head comprises a rotating shaft and a rotating body, the rotating shaft is fixedly connected with the rotating body, the rotating shaft is rotatably 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 is communicated with the rotating body through hole and jointly formed into the first through hole, the outer side wall of the rotating body is conical, and the rotating body is close to one end of the air injection device, the outer diameter of the rotating body is smaller than that of one end of the air injection device.
3. A yarn twisting apparatus according to claim 2, wherein: set up on the housing with the first through-hole of first cavity intercommunication, the pivot external diameter is less than the internal diameter of first through-hole, the pivot can pass first through-hole extends to inside the first cavity, the pivot is located fixed being provided with of one end in the first cavity can prevent the pivot is deviate from the first magnet of first through-hole, just the pivot is close to the fixed third magnet that is provided with of one end of rotator, first magnet with between the third magnet be provided with the second magnet in the first cavity, second magnet up end with the clearance of first magnet down end face and be the same magnetic pole, housing bottom outer wall with third magnet up end face is gapped, just under the second magnet the end face with third magnet up end is the same magnetic pole.
4. A yarn twisting apparatus according to claim 2, wherein: and the inner wall of one end of the through hole of the rotating body, which is close to the air injection device, is provided with a bulge capable of driving the straight fiber bundle to rotate.
5. A yarn twisting apparatus according to claim 3, wherein: an air separator is fixedly arranged in the first cavity, a second through hole capable of being communicated with the first through hole is formed in the air separator, 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 exhaust hole is formed in the housing, each air dispersing hole is communicated with the first exhaust hole, high-pressure gas can be introduced into one end, far away from the hollow spindle head, of the second through hole, and the high-pressure gas can be uniformly discharged from the second through hole along the axial direction through the air dispersing holes and can flow into the first through hole.
6. A yarn twisting apparatus according to claim 5, wherein: the cover comprises an inner shell and an outer shell, the outer shell is sleeved outside the inner shell, the inner shell is provided with a second cavity capable of placing 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, a first opening and a second opening which are communicated with the inner shell are respectively arranged at two ends of the inner shell, the first opening is 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 plugged with a perforated gasket capable of preventing the air separator from coming off, at least one perforated hole communicated with the first through hole is arranged on the perforated gasket, a third cavity is arranged inside the outer shell, and a third opening and the first through hole which are communicated with the outer shell are respectively arranged at two ends of the outer shell, the second cavity and the inner wall of the third cavity jointly form the first cavity.
7. A yarn twisting apparatus according to claim 3, wherein: at least one rotating blade is fixedly arranged on the circumferential side wall of the rotating body, and the rotating airflow blown by the air blowing device can blow to each rotating blade and drive the hollow spindle head to rotate around the axis of the hollow spindle head.
8. A yarn twisting apparatus according to claim 1, wherein: the air injection device comprises a nozzle and a blocking piece, the nozzle is provided with a third through hole, the hollow spindle head is arranged above an opening at one end of the third through hole, the blocking piece blocks an opening at one end, far away from the hollow spindle head, of the third through hole, at least one rotary air duct capable of introducing air is arranged on the circumferential side wall of the nozzle, each rotary air duct is communicated with the third through hole, air can spirally rise in the third through hole through each rotary air duct, and a feed inlet is formed in the blocking piece.
9. A yarn twisting apparatus according to claim 8, wherein: and the blocking piece is also provided with a second through hole communicated with the third through hole.
10. A yarn twisting apparatus according to claim 8, wherein: the air injection device is characterized by further comprising a cavity shell, the cavity shell is provided with a hollow cavity, the housing, the hollow spindle 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 formed in the cavity shell, the second air inlets are communicated with the rotary air ducts, and the second air outlet is used for discharging 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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| CN103290542A (en) * | 2013-06-24 | 2013-09-11 | 东华大学 | Air-jet vortex spinning slot type hollow ingot |
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| CN114753026B (en) | 2024-01-30 |
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