CN116536807B - Nozzle for preparing raised yarns - Google Patents
Nozzle for preparing raised yarns Download PDFInfo
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- CN116536807B CN116536807B CN202310789025.3A CN202310789025A CN116536807B CN 116536807 B CN116536807 B CN 116536807B CN 202310789025 A CN202310789025 A CN 202310789025A CN 116536807 B CN116536807 B CN 116536807B
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- 239000000835 fiber Substances 0.000 claims abstract description 155
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 8
- 241001330002 Bambuseae Species 0.000 claims abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 8
- 239000011425 bamboo Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000009987 spinning Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000007378 ring spinning Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 210000002268 wool Anatomy 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
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The application relates to a nozzle for preparing raised yarns, comprising a block body; the block body is internally provided with a cylindrical through hole I, a cylindrical through hole II, a cylindrical barrel I, a cylindrical barrel II, a fiber conveying channel I and a fiber conveying channel II; the cylindrical through hole I is communicated with the fiber conveying channel I, and the connection point of the cylindrical through hole I and the fiber conveying channel I is positioned on the hole wall of the cylindrical through hole I; the cylindrical through hole II is communicated with the fiber conveying channel II, and the connection point of the cylindrical through hole II and the fiber conveying channel II is positioned on the hole wall of the cylindrical through hole II; be equipped with n group's through-hole III on the lateral wall of cylinder section of thick bamboo I, the central axis of each through-hole III is 60~90 with the contained angle of left and right direction, is equipped with m group's through-hole IV on the lateral wall of cylinder section of thick bamboo II, and the central axis of each through-hole IV is 60~90 with the contained angle of left and right direction. The nozzle can compound short fibers and multifilament filaments to prepare raised yarns, and the nozzle can spin fancy raised yarns with variable length, density and color of the raised yarns, so that the variety of the raised yarns is greatly enriched.
Description
Technical Field
The application belongs to the technical field of textile products and relates to a nozzle for preparing raised yarns.
Background
The raised yarn is yarn with longer surface nap length or more nap distribution, and is commonly used for weaving raised fabrics with soft, plump and good warmth retention. Raised yarns are usually spun by ring spinning using a material (wool, mao Xing chemical fibers, etc.) having a low yarn twist multiplier and a long fiber length. When the raised yarns are spun by adopting the ring spinning method, the spinning process flow is long and the requirement on raw materials is high, so that the raised yarns have higher cost.
In order to solve the above problems, patent application No. 2022103639810 discloses a device for preparing a raised yarn, which adopts a mode of combining short fibers with filament multifilament by high-pressure air flow to prepare the raised yarn, but the nozzle used by the device has a simple structure and only comprises one short fiber input port, so that the distribution form of the nap of the raised yarn prepared by the device on the surface of the yarn is relatively single, the length of the nap is nearly consistent, and the raised yarn spun by the nozzle of the patent cannot prepare the fancy raised yarn with changeable nap length or nap height or nap color.
Disclosure of Invention
The application aims to solve the problems in the prior art and provides a nozzle for preparing raised yarns.
In order to achieve the above purpose, the application adopts the following scheme:
a nozzle for producing a pile yarn comprising a block;
the block body is internally provided with a cylindrical through hole I, a cylindrical through hole II, a cylindrical barrel I, a cylindrical barrel II, a fiber conveying channel I and a fiber conveying channel II; the central axes of the cylindrical through holes I, the cylindrical through holes II, the cylindrical barrels I and the cylindrical barrels II are parallel to the left-right direction; the cylindrical through hole I is positioned at the left side of the cylindrical through hole II, and the cylindrical through hole I and the cylindrical through hole II are coaxial and are arranged at intervals;
the cylindrical barrel I is positioned in the cylindrical through hole I, the cylindrical barrel I and the cylindrical through hole I are coaxial, the outer diameter of the cylindrical barrel I is smaller than the diameter of the cylindrical through hole I, and the left end and the right end of the cylindrical barrel I are flush and are in sealing connection;
the cylindrical barrel II is positioned in the cylindrical through hole II, the cylindrical barrel II and the cylindrical through hole II are coaxial, the outer diameter of the cylindrical barrel II is smaller than the diameter of the cylindrical through hole II, and the left end and the right end of the cylindrical barrel II are flush and are in sealing connection;
the cylindrical through hole I is communicated with the fiber conveying channel I, and the connection point of the cylindrical through hole I and the fiber conveying channel I is positioned on the hole wall of the cylindrical through hole I;
the cylindrical through hole II is communicated with the fiber conveying channel II, and the connection point of the cylindrical through hole II and the fiber conveying channel II is positioned on the hole wall of the cylindrical through hole II;
the side wall of the cylinder I is provided with n groups of through holes III, n is 4-8, and each group contains 5-8 through holes III; one end of each through hole III is intersected with the outer wall of the cylindrical barrel I, the intersection point is marked as a point p, the other end of each through hole III is intersected with the inner wall of the cylindrical barrel I, the intersection point is marked as a point q, and the point p is positioned on the left side or the same side of the point q along the length direction of the cylindrical barrel I; the 1 st to n th groups of through holes III are arranged at intervals along the length direction of the cylindrical drum I; the included angle between the central axis of each through hole III and the left-right direction is 60-90 degrees, the central axis of each through hole III is intersected with the central axis of the cylindrical barrel I, or the central axis of each through hole III is not intersected with the central axis of the cylindrical barrel I, and the distance is 0.2-2 mm;
m groups of through holes IV are formed in the side wall of the cylinder II, m is 4-8, and each group of through holes IV contains 5-8 through holes; one end of each through hole IV is intersected with the outer wall of the cylinder II, the intersection point is marked as a point f, the other end of each through hole IV is intersected with the inner wall of the cylinder II, the intersection point is marked as a point g, and the point f is positioned on the left side or the same side of the point g along the length direction of the cylinder II; 1~m groups of through holes IV are arranged at intervals along the length direction of the cylindrical drum II; the included angle between the central axis of each through hole IV and the left-right direction is 60-90 degrees, the central axis of each through hole IV is intersected with the central axis of the cylindrical barrel II, or the central axis of each through hole IV is not intersected with the central axis of the cylindrical barrel II, and the distance is 0.2-2 mm.
When the nozzle is used, multifilament filaments sequentially pass through the hollow part of the cylinder II and the hollow part of the cylinder I, short fibers are fed by the fiber conveying channel I and the fiber conveying channel II respectively, and are fed into the hollow part of the cylinder II and the hollow part of the cylinder I under the action of high-speed air flow, and the high-pressure air flow can cause filaments in the multifilament filaments to be entangled and transferred in the process of moving, and can be combined with the short fibers in the process of entanglement and transfer, so that a raised yarn is formed. The key point of forming the raised yarn is that under the action of air flow, the injected high-pressure air flow can combine the short fibers and multifilament filaments in two combination modes, namely, the monofilaments are blown away in the multifilament and intertwined under the action of air flow, and the fed short fibers are mutually inserted with the monofilaments in the process of blowing away and intertwining the monofilaments in the multifilament; and secondly, wrapping one end of the short fiber on the surface of the multifilament. The position of the feeding direction of the staple fibers with respect to the central axis of the multifilament yarn (the central axis of each through-hole III or IV intersects or does not intersect with the central axis of the cylinder I or II) is thus critical in determining the manner of bonding.
The nozzle can process nap yarns with changeable nap length or nap height or nap color, two kinds of short fibers with larger fiber length difference are respectively fed by a fiber conveying channel I and a fiber conveying channel II, and nap yarns with nap height can be prepared by adjusting the combination mode of the short fibers and filament multifilaments; the two kinds of short fibers with different colors are fed by a fiber conveying channel I and a fiber conveying channel II respectively, and the two kinds of short fibers are fed intermittently and alternately in time, so that the nap yarn with changeable nap color can be manufactured.
As a preferable technical scheme:
according to the nozzle for preparing the raised yarns, the radius of the cylindrical through hole I or the cylindrical through hole II is 20-110 mm; the radius of the cylindrical through hole I is the same as or different from that of the cylindrical through hole II.
According to the nozzle for preparing the raised yarns, the distance between the cylindrical through holes I and the cylindrical through holes II is 10-20 mm; the reason for setting the interval between the cylindrical through hole I and the cylindrical through hole II to be 10-20 mm is that when the interval between the cylindrical through hole I and the cylindrical through hole II is too small, the air flow between the cylindrical through hole I and the cylindrical through hole II can generate mutual interference to influence the napping effect, and when the interval between the cylindrical through hole I and the cylindrical through hole II is too large, the whole nozzle is too large in size and is unfavorable for installation and use.
According to the nozzle for preparing the raised yarns, the inner diameter of the cylindrical drum I or the cylindrical drum II is 2-10 mm, the wall thickness is 10-50 mm, and the length is 50-300 mm; the cylinder I and the cylinder II have the same or different sizes, when the two sizes are the same, the surface nap length of the produced nap yarn is the same or close, and when the two sizes are different or have larger difference, the nap yarn with the surface nap height matched can be produced.
According to the nozzle for preparing the raised yarns, the fiber conveying channel I is positioned above the cylindrical through hole I, and the included angle between the central axes of the fiber conveying channel I and the cylindrical through hole I is 90 degrees; the fiber conveying channel II is positioned above the cylindrical through hole II, and the included angle of the central axis of the fiber conveying channel II and the central axis of the cylindrical through hole II is 90 degrees; the fiber conveying channel I and the fiber conveying channel II are of tapered funnel-shaped structures, the sizes of the fiber conveying channels are gradually decreased from top to bottom, and the reason that the fiber conveying channels are designed is that the speed of air flow in the fiber conveying channels can be accelerated, so that the fiber conveying channels are beneficial to improving the fiber speed.
The nozzle for preparing the raised yarns has the advantages that the length of the fiber conveying channel I or the fiber conveying channel II is 10-70 mm; the cross section of the fiber conveying channel I or the fiber conveying channel II is circular, the diameter of the upper end is 5-8 mm, and the diameter of the lower end is 2-3 mm; the size of the fiber conveying channel I and the size of the fiber conveying channel II are the same or different, the size of the fiber conveying channel is determined by the types of raised yarns manufactured during back spinning, different raised yarn effects need to correspond to different channel parameters, main influencing factors are the length and distribution density of the raised yarns, the longer the length of the raised yarns is, the longer the length of the fed fibers is, the longer the length of the fiber conveying channel is, the greater the density of the raised yarns is, the greater the amount of the fibers fed through the fiber conveying channel is, and the diameter of the fiber conveying channel is required to be greater.
In the nozzle for preparing raised yarns, through holes III are uniformly distributed around the circumference of the central axis of the cylinder I in each group, namely, the through holes III are distributed into uniform radial shapes; in each group, through holes IV are uniformly distributed around the circumference of the central axis of the cylinder II, namely, the through holes IV are uniformly distributed in a radial shape.
According to the nozzle for preparing the raised yarns, the through holes III are all round through holes, and the diameters of the through holes III are 1-2 mm; the distance between the points q corresponding to two adjacent groups of through holes III in the 1 st-n th group of through holes III is 15-30 mm, the reason that the distance between the two groups of through holes III is set is that short fibers and filaments are more compact and reasonable, when the distance is too small, the short fibers are combined with the filaments, the short fibers are subjected to larger mutual interference, the combination of partial short fibers and filament multifilaments can be influenced, the fleece falling phenomenon is caused, and when the distance is too large, the short fibers are difficult to uniformly and tightly distribute on the surfaces of the filament multifilaments; the minimum distance between the point q corresponding to the through hole III and the two ends of the cylindrical drum I is 10-15 mm, and the reason that the through hole III is at a certain distance from the two ends of the cylindrical drum I is that the fiber is prevented from blocking the cylindrical drum I; the through holes IV are round through holes, and the diameters of the through holes IV are 1-2 mm; the distance between the points g corresponding to two adjacent groups of through holes IV in the 1~m group of through holes IV is 15-30 mm, the reason that the distance between the two groups of through holes IV is set is that in order to enable the short fibers and the filaments to be more compact and reasonable, when the distance is too small, the short fibers are combined with the filaments, the short fibers are subjected to larger mutual interference, the combination of partial short fibers and the filaments can be influenced, the fleece falling phenomenon is caused, and when the distance is too large, the short fibers are difficult to uniformly and tightly distribute on the surfaces of the filaments; the minimum distance between the point g corresponding to the through hole IV and the two ends of the cylindrical barrel II is 10-15 mm, and the reason that the through hole IV is at a certain distance from the two ends of the cylindrical barrel II is that the fiber is prevented from blocking the cylindrical barrel I.
The nozzle for preparing the raised yarns has the advantages that the block body is of a concave structure and consists of a cuboid I positioned at the left side, a connecting part positioned in the middle and a cuboid II positioned at the right side;
the cylindrical barrel I and the cylindrical through hole I are both positioned in the cuboid I, the left ends of the cylindrical barrel I and the cylindrical through hole I are in sealing connection through the annular sealing ring I and are flush with the left side face of the cuboid I, and the right ends of the cylindrical barrel I and the cylindrical through hole I are in sealing connection through the annular sealing ring I and are flush with the right side face of the cuboid I;
cylinder section of thick bamboo II and cylinder through-hole II all are located cuboid II, and cylinder section of thick bamboo II and cylinder through-hole II's left end is through ring seal I II sealing connection and flushes with cuboid II's left surface, and cylinder section of thick bamboo II and cylinder through-hole II's right-hand member is through ring seal I V sealing connection and flushes with cuboid II's right flank.
In the nozzle for preparing the raised yarns, the block is made of metal.
Advantageous effects
(1) According to the nozzle for preparing the raised yarns, disclosed by the application, the short fibers and the filament multifilament are combined to prepare the fancy raised yarns with the high-low variation of the nap, the color variation or the nap density variation, so that the variety of the raised yarns is enriched;
(2) The nozzle for preparing the raised yarns has a simple structure, can be used after the existing spinning equipment is simply modified, and has low equipment modification cost;
(3) The raised yarn prepared by the nozzle for preparing the raised yarn can be used as weft yarn to directly prepare a fabric, and the prepared fabric has the surface characteristics of the raised fabric without cutting the raised yarn.
Drawings
FIG. 1 is a schematic view of the overall structure of a nozzle according to the present application;
FIG. 2 is a schematic cross-sectional view of the nozzle of the present application along the central axis of the cylindrical through hole I;
FIG. 3 is a schematic left-view structure of a rectangular parallelepiped I part according to the present application;
FIG. 4 is a schematic right-view structure of a rectangular parallelepiped II part according to the present application;
FIG. 5 is a schematic cross-sectional view of the cylinder I of the present application along its central axis;
FIG. 6 is a schematic perspective view of a cylinder I according to the present application;
FIG. 7 is a schematic perspective view of a cylinder II according to the present application;
wherein, 1-cuboid I, 2-cuboid II, 3-connecting portion, 4-cylinder I, 5-cylinder II, 6-fibre delivery passageway I, 7-fibre delivery passageway II, 8-cylinder through-hole I, 9-cylinder through-hole II, 10-through-hole III, 11-through-hole IV.
Detailed Description
The application is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
A nozzle for preparing raised yarns is shown in fig. 1-2, and comprises a block body, a cylindrical through hole I8, a cylindrical through hole II 9, a cylindrical barrel I4, a cylindrical barrel II 5, a fiber conveying channel I6 and a fiber conveying channel II 7;
the block body is of a concave structure made of metal and consists of a cuboid I1 positioned on the left side, a connecting part 3 positioned in the middle and a cuboid II 2 positioned on the right side;
the central axes of the cylindrical through holes I8, the cylindrical through holes II 9, the cylindrical barrels I4 and the cylindrical barrels II 5 are parallel to the left-right direction; the cylindrical through hole I8 is positioned at the left side of the cylindrical through hole II 9, and the cylindrical through hole I and the cylindrical through hole II are coaxial and have a distance of 10-20 mm;
as shown in fig. 3 and 5-6, the inner diameter of the cylindrical barrel I4 is 2-10 mm, the wall thickness is 10-50 mm, and the length is 50-300 mm; the side wall of the cylinder I4 is provided with n groups of circular through holes III 10 with diameters of 1-2 mm, n is 4-8, and in each group, the number of the through holes III 10 is 5-8 and is uniformly distributed around the circumference of the central axis of the cylinder I4; one end of each through hole III 10 is intersected with the outer wall of the cylindrical barrel I4, the intersection point is marked as a point p, the other end is intersected with the inner wall of the cylindrical barrel I4, the intersection point is marked as a point q, and the point p is positioned on the left side or the same side of the point q along the length direction of the cylindrical barrel I4; the 1 st to n th groups of through holes III 10 are arranged at intervals along the length direction of the cylindrical barrel I4, the distance between the point q corresponding to each two adjacent groups of through holes III 10 is 15-30 mm, and the minimum distance between the point q corresponding to each through hole III 10 and the two ends of the cylindrical barrel I4 is 10-15 mm; the included angle between the central axis of each through hole III 10 and the left-right direction is 60-90 degrees, the central axis of each through hole III 10 is intersected with the central axis of the cylinder I4, or the central axis of each through hole III 10 is not intersected with the central axis of the cylinder I4, and the distance is 0.2-2 mm;
the cylindrical barrel I4 is positioned in the cylindrical through hole I8, the cylindrical barrel I4 and the cylindrical through hole I are coaxial, the outer diameter of the cylindrical barrel I4 is smaller than the diameter of the cylindrical through hole I8, and the radius of the cylindrical through hole I8 is 20-110 mm; the cylindrical barrel I4 and the cylindrical through hole I8 are positioned in the cuboid I1, the left ends of the cylindrical barrel I4 and the cylindrical through hole I8 are in sealing connection through the annular sealing ring I and are flush with the left side surface of the cuboid I1, and the right ends of the cylindrical barrel I4 and the cylindrical through hole I8 are in sealing connection through the annular sealing ring II and are flush with the right side surface of the cuboid I1;
as shown in fig. 4 and 7, the inner diameter of the cylinder II 5 is 2-10 mm, the wall thickness is 10-50 mm, and the length is 50-300 mm; the side wall of the cylinder II 5 is provided with m groups of circular through holes IV 11 with diameters of 1-2 mm, m is 4-8, and in each group, the number of the through holes IV 11 is 5-8 and is uniformly distributed around the circumference of the central axis of the cylinder II 5; one end of each through hole IV 11 is intersected with the outer wall of the cylinder II 5, the intersection point is marked as a point f, the other end of each through hole is intersected with the inner wall of the cylinder II 5, the intersection point is marked as a point g, and the point f is positioned on the left side or the same side of the point g along the length direction of the cylinder II 5; the 1~m groups of through holes IV 11 are arranged at intervals along the length direction of the cylindrical barrel II 5, the distance between the points g corresponding to the two adjacent groups of through holes IV 11 is 15-30 mm, and the minimum distance between the points g corresponding to the through holes IV 11 and the two ends of the cylindrical barrel II 5 is 10-15 mm; the included angle between the central axis of each through hole IV 11 and the left-right direction is 60-90 degrees, the central axis of each through hole IV 11 is intersected with the central axis of the cylindrical barrel II 5, or the central axis of each through hole IV 11 is not intersected with the central axis of the cylindrical barrel II, and the distance is 0.2-2 mm;
the cylindrical barrel II 5 is positioned in the cylindrical through hole II 9, the cylindrical barrel II and the cylindrical through hole II are coaxial, the outer diameter of the cylindrical barrel II 5 is smaller than the diameter of the cylindrical through hole II 9, and the radius of the cylindrical through hole II 9 is 20-110 mm; the cylindrical barrel II 5 and the cylindrical through hole II 9 are positioned in the cuboid II 2, the left ends of the cylindrical barrel II 5 and the cylindrical through hole II 9 are in sealing connection through the annular sealing ring III and are flush with the left side surface of the cuboid II 2, and the right ends of the cylindrical barrel II 5 and the cylindrical through hole II 9 are in sealing connection through the annular sealing ring IV and are flush with the right side surface of the cuboid II 2;
as shown in fig. 1, the fiber conveying channel I6 and the fiber conveying channel II 7 are tapered funnel structures, and have circular cross sections; the length of the fiber conveying channel I6 is 10-70 mm, the diameter of the upper end is 5-8 mm, and the diameter of the lower end is 2-3 mm; the length of the fiber conveying channel II 7 is 10-70 mm, the diameter of the upper end is 5-8 mm, and the diameter of the lower end is 2-3 mm;
the fiber conveying channel I6 is positioned in the cuboid I1 and is communicated with the cylindrical through hole I8, and the connection point of the fiber conveying channel I6 and the cylindrical through hole I8 is positioned on the hole wall of the cylindrical through hole I8; the fiber conveying channel I6 is positioned above the cylindrical through hole I8, and the included angle of the central axis of the fiber conveying channel I6 and the central axis of the cylindrical through hole I is 90 degrees;
the fiber conveying channel II 7 is positioned in the cuboid II 2 and is communicated with the cylindrical through hole II 9, and the connection point of the fiber conveying channel II and the cylindrical through hole II is positioned on the wall of the cylindrical through hole II 9; the fiber conveying channel II 7 is positioned above the cylindrical through hole II 9, and the included angle of the central axis of the fiber conveying channel II and the central axis of the cylindrical through hole II is 90 degrees.
The nozzle of the application can process the nap yarn with changeable nap length or nap height and collocation or nap color, which is described in the following by specific examples, wherein the examples show the parameters affecting the relevant important index of the final nap yarn; the other parameters not given are not particularly limited since they have little influence.
Example 1
In the process that filament multifilament moves at a constant speed and sequentially passes through a fiber conveying channel III (namely the hollow part of a cylinder I) and a fiber conveying channel IV (namely the hollow part of a cylinder II), short fibers A are continuously fed into the fiber conveying channel III through a through hole III by using high-pressure airflow I, and short fibers B are continuously fed into the fiber conveying channel IV through the through hole IV by using high-pressure airflow II, so that the thermal napped yarn is obtained;
wherein the spinning parameters include: 4 groups of through holes III are formed in the fiber conveying channel III, the distance between the points q corresponding to the two adjacent groups of through holes III is 15mm, and each group contains 5 short fiber feeding points; 4 groups of through holes IV are arranged on the fiber conveying channel IV, the distance between points g corresponding to two adjacent groups of through holes IV is 25mm, and each group contains 5 short fiber feeding points; the number of filaments in the filament multifilament is 20; the uniform motion speed is 40m/min; the short fibers A are combed noil fibers with the average length of 10mm, the total feeding quantity is 60 pieces/s, the feeding direction and the conveying direction of the filament multifilament form an included angle of 90 degrees, and the central axis of the through hole III is intersected with the central axis of the fiber conveying channel III; the short fibers B are combed cotton fibers with the average length of 32mm, the total feeding quantity is 30 pieces/s, the feeding direction and the conveying direction of the filament multifilament form an included angle of 90 degrees, the central axis of the through hole IV is not intersected with the central axis of the fiber conveying channel IV, and the interval is 1mm; the pressure of the high-pressure air flow I is 1MPa, and the pressure of the high-pressure air flow II is 0.5MPa;
the finally prepared thermal raised yarn mainly comprises filament multifilament and fluff I and fluff II which are positioned on the surface of the filament multifilament, wherein one end of the fluff I is a free end, the other end of the fluff I is a short fiber A combined with the filament multifilament in an interpenetrating, wrapping and/or intertwining mode, and the fluff II is a short fiber B with one end being a free end and the other end combined with the filament multifilament and the short fiber A in a wrapping mode; along the length direction of the filament multifilament, the distribution density of fluff I is 90 pieces/m; the distribution density of fluff II is 45 roots/m; the average length of the surface of the filament exposed out of the filament multifilament of the short fiber A is 3mm; the average length of the exposed filament surface of the staple fibers B on the outermost side of the multifilament yarn was 15mm.
Example 2
In the process that filament multifilament moves at a constant speed and sequentially passes through a fiber conveying channel III (namely the hollow part of a cylinder I) and a fiber conveying channel IV (namely the hollow part of a cylinder II), short fibers A are intermittently fed into the fiber conveying channel III through a through hole III by using high-pressure air flow I, short fibers B are intermittently fed into the fiber conveying channel IV through the through hole IV by using high-pressure air flow II, and the colors of the short fibers A and the short fibers B are different; in the feeding process, the feeding time of the short fibers A and B is controlled, namely, the short fibers A are continuously fed for 1s after the short fibers A are fed, and the short fibers A are fed for a certain time (a certain time isL is the distance between the central axis of the fiber conveying channel I and the central axis of the fiber conveying channel II, V is the constant speed of the multifilament yarn, and the feeding of the short fiber B is started, the short fiber B is continuously ended for 1s after the short fiber B is started to be fed each time, and a period of time is separated from the short fiber B after the short fiber B is ended (the period of time is +.>D is the horizontal interval between the point q of the rightmost group of through holes III in the cylinder I and the point g of the leftmost group of through holes IV in the cylinder II, and V is the speed of the uniform motion of the filament multifilament), and the short fibers A and B are respectively combined with different length sections of the filament multifilament, so that the segment color raised yarns are prepared;
wherein the spinning parameters include: l is 96mm, D is 10mm; the fiber conveying channel III is provided with 5 groups of through holes III, the distance between the points q corresponding to the two adjacent groups of through holes III is 20mm, and each group contains 5 through holes III; the fiber conveying channel IV is provided with 5 groups of through holes IV, the distance between points g corresponding to two adjacent groups of through holes IV is 20mm, and each group contains 5 through holes IV; the number of filaments in the filament multifilament is 20; the speed of the uniform motion of the filament multifilament is 15m/min; the short fibers A are white nylon fibers with the average length of 25mm, the total feeding quantity is 120 pieces/s, the feeding direction and the conveying direction of the filament multifilament form an included angle of 85 degrees, the central axis of the through hole III is not intersected with the central axis of the fiber conveying channel III, and the distance is 0.2mm; the short fibers B are black nylon fibers with the average length of 25mm, the total feeding quantity is 120 pieces/s, the feeding direction and the conveying direction of the filament multifilament form an included angle of 85 degrees, the central axis of the through hole IV is not intersected with the central axis of the fiber conveying channel IV, and the interval is 0.2mm; the pressure of the high-pressure air flow I is 1MPa, and the pressure of the high-pressure air flow II is 1MPa;
the finally prepared segment color raised yarn mainly comprises filament multifilament yarns, and fluff I and fluff II which are positioned on the surfaces of the filament multifilament yarns, wherein the fluff I refers to a short fiber A, one end of the short fiber A is a free end, the other end of the short fiber A is combined with the filament multifilament yarns in an interpenetrating, wrapping and/or intertwining mode, the fluff II refers to a short fiber B, one end of the short fiber B is a free end, and the other end of the short fiber B is combined with the filament multifilament yarns and the short fiber A in an interpenetrating, wrapping and/or intertwining mode; the fluff I and the fluff II are positioned in different length sections of the filament multifilament, the length sections of the filament multifilament where the fluff I is positioned and the length sections of the filament multifilament where the fluff II is positioned are alternately arranged, the length of the length sections of the filament multifilament where the fluff I is positioned is 25cm, and the length of the length sections of the filament multifilament where the fluff II is positioned is 25cm; the distribution density of the fluff I in the length section of the filament multifilament where the fluff I is positioned is 480 roots/m, and the average length of the surface of the filament yarn exposed out of the filament multifilament is 10mm; the distribution density of the fluff II in the length section of the filament multifilament where the fluff II is located is 480 roots/m, and the average length of the surface of the outermost monofilament of the filament multifilament exposed is 10mm.
Claims (10)
1. A nozzle for producing a pile yarn, comprising a block;
the block body is internally provided with a cylindrical through hole I (8), a cylindrical through hole II (9), a cylindrical barrel I (4), a cylindrical barrel II (5), a fiber conveying channel I (6) and a fiber conveying channel II (7); the central axes of the cylindrical through holes I (8), the cylindrical through holes II (9), the cylindrical barrels I (4) and the cylindrical barrels II (5) are parallel to the left-right direction; the cylindrical through hole I (8) is positioned at the left side of the cylindrical through hole II (9), and the cylindrical through hole I and the cylindrical through hole II are coaxially arranged at intervals;
the cylindrical barrel I (4) is positioned in the cylindrical through hole I (8), the cylindrical barrel I and the cylindrical through hole I are coaxial, the outer diameter of the cylindrical barrel I (4) is smaller than the diameter of the cylindrical through hole I (8), and the left end and the right end of the cylindrical barrel I (4) and the left end and the right end of the cylindrical through hole I (8) are flush and are in sealing connection;
the cylindrical barrel II (5) is positioned in the cylindrical through hole II (9), the cylindrical barrel II and the cylindrical through hole II are coaxial, the outer diameter of the cylindrical barrel II (5) is smaller than the diameter of the cylindrical through hole II (9), and the left end and the right end of the cylindrical barrel II (5) are flush and connected in a sealing manner;
the cylindrical through hole I (8) is communicated with the fiber conveying channel I (6), and the connection point of the cylindrical through hole I and the fiber conveying channel I is positioned on the hole wall of the cylindrical through hole I (8);
the cylindrical through hole II (9) is communicated with the fiber conveying channel II (7), and the connection point of the cylindrical through hole II and the fiber conveying channel II is positioned on the hole wall of the cylindrical through hole II (9);
the side wall of the cylinder I (4) is provided with n groups of through holes III (10), n is 4-8, and each group contains 5-8 through holes III (10); one end of each through hole III (10) is intersected with the outer wall of the cylindrical barrel I (4), the intersection point is marked as a point p, the other end of each through hole III is intersected with the inner wall of the cylindrical barrel I (4), the intersection point is marked as a point q, and the point p is positioned on the left side or the same side of the point q along the length direction of the cylindrical barrel I (4); the 1 st to n th groups of through holes III (10) are arranged at intervals along the length direction of the cylindrical barrel I (4); the included angle between the central axis of each through hole III (10) and the left-right direction is 60-90 degrees, the central axis of each through hole III (10) is intersected with the central axis of the cylindrical barrel I (4), or the central axis of each through hole III (10) is not intersected with the central axis of the cylindrical barrel I (4), and the distance is 0.2-2 mm;
the side wall of the cylinder II (5) is provided with m groups of through holes IV (11), m is 4-8, and each group of through holes IV (11) comprises 5-8 through holes; one end of each through hole IV (11) is intersected with the outer wall of the cylinder II (5), the intersection point is marked as a point f, the other end of each through hole IV is intersected with the inner wall of the cylinder II (5), the intersection point is marked as a point g, and the point f is positioned on the left side or the same side of the point g along the length direction of the cylinder II (5); the 1~m groups of through holes IV (11) are arranged at intervals along the length direction of the cylindrical barrel II (5); the included angle between the central axis of each through hole IV (11) and the left-right direction is 60-90 degrees, the central axis of each through hole IV (11) is intersected with the central axis of the cylindrical barrel II (5), or the central axis of each through hole IV (11) is not intersected with the central axis of the cylindrical barrel II (5), and the distance is 0.2-2 mm.
2. Nozzle for producing pile yarn according to claim 1, characterized in that the radius of the cylindrical through-hole I (8) or the cylindrical through-hole II (9) is 20-110 mm.
3. Nozzle for producing pile yarn according to claim 1, characterized in that the distance between the cylindrical through-hole I (8) and the cylindrical through-hole II (9) is 10-20 mm.
4. The nozzle for preparing raised yarns according to claim 1, wherein the inner diameter of the cylinder I (4) or the cylinder II (5) is 2-10 mm, the wall thickness is 10-50 mm, and the length is 50-300 mm.
5. A nozzle for producing raised yarns according to claim 1, characterized in that the fiber transport channel I (6) is located above the cylindrical through hole I (8) with an angle of 90 ° between the central axes; the fiber conveying channel II (7) is positioned above the cylindrical through hole II (9), and the included angle of the central axis of the fiber conveying channel II and the central axis of the cylindrical through hole II is 90 degrees; the fiber conveying channel I (6) and the fiber conveying channel II (7) are of tapered funnel-shaped structures, and the sizes of the fiber conveying channels are gradually decreased from top to bottom.
6. The nozzle for producing raised yarns according to claim 5, wherein the length of the fiber conveying channel I (6) or the fiber conveying channel II (7) is 10-70 mm; the cross section of the fiber conveying channel I (6) or the fiber conveying channel II (7) is circular, the diameter of the upper end is 5-8 mm, and the diameter of the lower end is 2-3 mm.
7. A nozzle for producing pile yarns according to claim 1, characterized in that in each group, through holes III (10) are circumferentially distributed around the central axis of the cylinder I (4); in each group, through holes IV (11) are uniformly distributed around the central axis circumference of the cylinder II (5).
8. Nozzle for producing raised yarns according to claim 7, characterized in that through holes III (10) are all circular through holes and have a diameter of 1-2 mm; the distance between the point q corresponding to two adjacent groups of through holes III (10) in the 1 st to n th groups of through holes III (10) is 15 to 30mm, and the minimum distance between the point q corresponding to the through holes III (10) and the two ends of the cylindrical barrel I (4) is 10 to 15mm; the through holes IV (11) are round through holes, and the diameters of the through holes IV are 1-2 mm; the distance between the point g corresponding to two adjacent groups of through holes IV (11) in the 1~m group of through holes IV (11) is 15-30 mm, and the minimum distance between the point g corresponding to the through holes IV (11) and two ends of the cylindrical barrel II (5) is 10-15 mm.
9. A nozzle for producing raised yarns according to claim 1, characterized in that the block is of a "concave" shape structure, consisting of a cuboid i (1) on the left side, a connecting portion (3) in the middle and a cuboid ii (2) on the right side;
the cylinder barrel I (4) and the cylinder through hole I (8) are both positioned in the cuboid I (1), the left ends of the cylinder barrel I (4) and the cylinder through hole I (8) are in sealing connection through the annular sealing ring I and are flush with the left side surface of the cuboid I (1), and the right ends of the cylinder barrel I (4) and the cylinder through hole I (8) are in sealing connection through the annular sealing ring I and are flush with the right side surface of the cuboid I (1);
the cylinder section of thick bamboo II (5) and cylinder through-hole II (9) all are located cuboid II (2), and ring seal I II sealing connection is passed through to the left end of cylinder section of thick bamboo II (5) and cylinder through-hole II (9) and flushes with the left surface of cuboid II (2), and ring seal I V sealing connection is passed through to the right-hand member of cylinder section of thick bamboo II (5) and cylinder through-hole II (9) and flushes with the right flank of cuboid II (2).
10. A nozzle for producing pile yarns according to claim 1, wherein the block is made of metal.
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| CN202310789025.3A CN116536807B (en) | 2023-06-30 | 2023-06-30 | Nozzle for preparing raised yarns |
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| CN202310789025.3A CN116536807B (en) | 2023-06-30 | 2023-06-30 | Nozzle for preparing raised yarns |
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| CN108239806A (en) * | 2016-12-23 | 2018-07-03 | 东丽纤维研究所（中国）有限公司 | A kind of sack yarn |
| CN108532057A (en) * | 2018-06-15 | 2018-09-14 | 苏州市星京泽纤维科技有限公司 | A kind of colorful vortex spinning colour-changeable yarn and its production technology |
| CN112941686A (en) * | 2021-01-29 | 2021-06-11 | 鲁泰纺织股份有限公司 | Production process of low-twist stranded wire with special structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507913A (en) * | 1982-06-07 | 1985-04-02 | Burlington Industries, Inc. | Vacuum spinning |
| US4719744A (en) * | 1982-06-07 | 1988-01-19 | Burlington Industries, Inc. | Vacuum spinning method |
| CN85101203A (en) * | 1984-12-03 | 1986-06-10 | 伯林顿工业公司 | Vacuum spinning |
| US5027594A (en) * | 1987-11-13 | 1991-07-02 | 3 B Di Ballerini & C. S.N.C. | Equipment for producing a yarn having loosened fibers and binding threads |
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| CN112941686A (en) * | 2021-01-29 | 2021-06-11 | 鲁泰纺织股份有限公司 | Production process of low-twist stranded wire with special structure |
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| CN116536807A (en) | 2023-08-04 |
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