CN116200851A

CN116200851A - Pure cashmere wrapping yarn and processing technology thereof

Info

Publication number: CN116200851A
Application number: CN202310284883.2A
Authority: CN
Inventors: 罗轩
Original assignee: Zhejiang Yirui Cashmere Products Co ltd
Current assignee: Zhejiang Yirui Cashmere Products Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-06-02

Abstract

The invention belongs to the technical field of textile, and particularly relates to a pure cashmere wrapping yarn and a processing technology thereof, wherein the processing technology comprises the following steps: s1, preparing two winding wires, a first cladding wire and a second cladding wire; s2, winding the two winding wires in an 8 shape to form a core wire; s3, arranging a core wire and a first coated wire on a twisting machine, and spirally winding the first coated wire on the core wire along the clockwise direction to form a first core sleeve; s4, the yarn processed in the step S3 is not disassembled, the first cladding wire on the spindle is replaced by a second cladding wire, the winding directions of the second cladding wire and the first cladding wire are opposite, the second cladding wire is spirally wound on the first core sleeve and forms a second core sleeve, and the wrapped yarn is formed up to the point; in the invention, when the step S3 is changed to the step S4, the wrapping process can be performed only by replacing the first wrapping wire with the second wrapping wire without detaching and installing the yarn, so that the processing efficiency of the wrapped yarn is greatly increased.

Description

Pure cashmere wrapping yarn and processing technology thereof

Technical Field

The invention relates to the textile field, in particular to a pure cashmere composite yarn and a processing technology thereof.

Background

The traditional wrapping yarn generally takes spandex yarn as a yarn core, other inelastic fibers are wrapped on the surface of the yarn core according to a spiral coil-shaped fixed thread pitch to form functional yarn with an elastic structure, the gram weights of the yarns are heavy, the weight of clothes woven by the yarns is heavy, and people feel uncomfortable when wearing the yarn.

The cashmere is a thin fine cashmere layer growing on the outer surface layer of the goat and covering the root of the coarse goat hair, and the cashmere fiber has irregular thin and deep curl, has excellent strong elongation and hygroscopicity, and integrates the functions of fineness, thinness, softness, smoothness, glutinous property and warmth retention. The cashmere fiber has moderate strength, high elasticity and natural soft color.

The existing composite yarn forms tend to be uniform, have no other innovation and can not meet the demands of people, so that the wrapping yarn processed by adopting pure cashmere and the adaptive processing technology thereof are needed to be provided.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide the pure cashmere composite yarn and the processing technology thereof.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a processing technology of pure cashmere wrap yarn comprises the following steps

S1, preparing two winding wires, a first cladding wire and a second cladding wire,

s2, winding the two winding wires in an 8 shape to form a core wire,

s3, spirally winding the first cladding wire on the core wire along the clockwise direction to form a first core sleeve,

s4, spirally winding the second coating wire on the first core sleeve along the anticlockwise direction to form a second core sleeve.

Furthermore, the step S3 and the step S4 are completed on the same twisting machine, and the core wire after winding in the step S3 can be subjected to the step S4 without disassembly and replacement;

further, the twisting machine comprises a frame, a tension adjusting mechanism, a spindle mechanism, a lead mechanism and two groups of unreeling mechanisms, wherein the tension adjusting mechanism, the spindle mechanism and the lead mechanism are all arranged on the frame, the two groups of unreeling mechanisms are respectively arranged on two sides of the frame, the spindle mechanism comprises spindles corresponding to the unreeling mechanisms, the unreeling mechanisms comprise a mounting frame, a motor and at least two unreeling pieces, the two unreeling pieces are detachably connected with the mounting frame and are movably connected with the two unreeling pieces, and the motor can drive the two unreeling pieces to synchronously rotate on the mounting frame.

Further, in step S3, the core wire is wound on one unwinding member of one set of unwinding mechanism, the spindle spirally winds the first coated wire on the core wire to form a first core sleeve, and the unwinding member of the other set of unwinding mechanism winds the processed core wire;

in step S4, the core wire with the first core sleeve is wound on the other group of unwinding mechanisms to pay out the yarn through the unwinding members, the spindle is reversed, the second coating wire is spirally wound on the first core sleeve to form a second core sleeve, the unwinding members of one group of unwinding mechanisms wind the processed yarn,

the core wire in step S3 and the core wire with the first core sleeve in step S4 travel in opposite paths, and the spindle turns in opposite directions.

Further, the motor is fixed in on the lateral wall of mounting bracket, the mounting bracket includes the intermediate table, first accommodation space and second accommodation space are separated to the intermediate table, two unreel the piece and arrange first accommodation space and second in the space respectively, the pivot of motor stretches into in the first accommodation space, be equipped with the bayonet joint on the tip of pivot, be equipped with the rotating head in the second accommodation space, the intermediate table comprises the base of mutual joint and cardboard, it has first rotation groove to open on the top surface of base, it has the second rotation groove that corresponds with first rotation groove to open on the cardboard, first rotation groove and second rotation groove form the rotation hole, two unreel the piece and all including dismantling the dwang and the section of thick bamboo of connection, the dwang and the bayonet joint and the rotation hole grafting of one unreel the piece, the dwang and the rotating head and the rotation hole grafting of another unreel piece.

Further, unreeling mechanism still includes the connecting piece of rotating with first rotation hole and being connected, and the connecting piece includes coaxial first spacing pipe, guide post and second spacing pipe, and first spacing pipe second spacing pipe is stretched into respectively at the both ends of guide post, all is equipped with the limiting plate in first spacing pipe and the second spacing pipe, is equipped with the spring between the tip of limiting plate and guide post, and first spacing pipe is pegged graft with the dwang of unreeling piece, and the second spacing pipe is pegged graft with the dwang of another unreeling piece.

Further, the tension adjusting mechanism comprises tension adjusting components corresponding to the two groups of unreeling mechanisms, the tension adjusting components comprise two tension pieces corresponding to the two unreeling pieces one by one, each tension piece comprises a positioning head, an elastic rod and a tension ring which are connected in sequence, the elastic rod is arc-shaped, and the positioning heads are spliced with the rack.

Further, the lead wire mechanism comprises an upper lead wire piece and a lower lead wire piece, the spindle is arranged between the upper lead wire piece and the lower lead wire piece, and the upper lead wire piece both comprise a fixing frame fixedly connected with the frame and a lead wire ring connected with the fixing frame.

Further, the rotating rod consists of a coaxial rod body and a pipe body, the side wall of the pipe body is provided with a positioning groove, the length direction of the positioning groove is the same as the axial direction of the rod body, and the inner wall of the wire barrel is provided with a positioning strip which is spliced with the positioning groove.

The utility model provides a pure cashmere wrap yarn, includes heart yearn and envelope curve, and the heart yearn comprises two strands of winding wire that are 8 word form winding, and the envelope curve comprises first cladding line and second cladding line, and first cladding line spiral winding is on the core line and form first core cover, and second cladding line spiral winding is on first core cover and is formed the second core cover, and the winding direction of first cladding line and second cladding line is opposite.

Further, the winding wire, the first cladding wire and the second cladding wire are all composed of pure cashmere, the production count of the winding wire is Nm30-Nm40, the production count of the first cladding wire is Nm80-Nm 90, and the production count of the second cladding wire is Nm80-Nm120;

furthermore, the winding wire can also be composed of pure cashmere, the first cladding wire and the second cladding wire are both composed of gold and silver wires, the production count of the winding wire is Nm30-Nm40, and the production count of the first cladding wire and the second cladding wire is Nm110-Nm120;

furthermore, the winding wires can also be made of pure cashmere, the first coating wires and the second coating wires are made of white filaments, the production count of the winding wires is Nm30-Nm40, and the production count of the first coating wires and the second coating wires is Nm110-Nm120;

furthermore, the winding wire can also be composed of white factory yarns, the first coating wire and the second coating wire are both composed of pure cashmere, the production count of the winding wire is Nm110-Nm120, and the production count of the first coating wire and the second coating wire is Nm30-Nm40.

By adopting the technical scheme, the invention has the beneficial effects that:

1. compared with the existing wrapping yarn in the market, the pure cashmere wrapping yarn disclosed by the invention has the advantages that the gram weight is greatly reduced, the weight of clothes such as cashmere sweaters processed by the wrapping yarn is lighter, and the warming effect is better;

2. the method is realized on the product through the process: the personnel cost, the material cost and the time cost are saved, the processing efficiency of the wrapping yarn is higher, and the paying cost is lower.

3. The strength of the core wire formed by two 8-shaped winding wires is higher, so that the breakage phenomenon is not easy to occur in the traction process, stable traction and processing of the yarns are ensured, and spiral lines formed by winding wires are arranged in the length direction of the core wire, so that when the first coated wire is wound on the core wire, the first coated wire can be coated on the core wire more stably, the slippage phenomenon is not easy to occur, the stability of the composite yarn is greatly improved, and further, the processing and weaving of the fabric by adopting the composite yarn are also more stable; the first wrapping wire and the second wrapping wire are sequentially wrapped on the core wire, so that the overall strength of the yarn is greatly enhanced, and the clothing woven by the yarn is warm and light.

Drawings

Fig. 1 is a schematic structural view of a pure cashmere wrap yarn.

Fig. 2 is a schematic structural view of the process of wrapping yarn.

Fig. 3 is a schematic structural view of the twisting machine.

Fig. 4 is a schematic structural view of the unreeling mechanism.

Fig. 5 is a schematic structural view of the connector.

Fig. 6 is a schematic cross-sectional structural view of the intermediate stage.

Fig. 7 is a schematic cross-sectional view of the unwind.

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.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Embodiment one:

the winding wire, the first cladding wire and the second cladding wire are all composed of pure cashmere, the production count of the winding wire is Nm30-Nm40, the production count of the first cladding wire is Nm80-Nm 90, the production count of the second cladding wire is Nm80-Nm120, the first cladding wire strengthens the overall strength of the yarn, and the second cladding wire enables the touch feeling of the yarn to be finer.

Embodiment two:

the winding wires are composed of pure cashmere, the first cladding wire and the second cladding wire are composed of gold and silver wires, the gold and silver wires are composed of two wires which are mutually wound, one wire is composed of polyester film fibers, and the other wire is composed of polyester or chinlon; the production count of the winding wire is Nm30-Nm40, and the production count of the first cladding wire and the second cladding wire is Nm110-Nm120; the yarns are wound on the pure cashmere core wires by the gold and silver wires with opposite directions, so that the whole sense of the yarns is more attractive, and the fabric formed by weaving the yarns is more attractive and eye-attractive.

Embodiment III:

the winding wires are composed of pure cashmere, the first cladding wires and the second cladding wires are both composed of white filaments, the production count of the winding wires is Nm30-Nm40, and the production count of the first cladding wires and the second cladding wires is Nm110-Nm120; the yarn is formed by winding pure cashmere serving as a core wire and real silk serving as a wrapping wire, and has finer hand feeling and higher warm-keeping effect.

The processing technology of the pure cashmere wrapping yarn comprises the following steps of

S1, preparing two winding wires 101, a first coating wire 102 and a second coating wire 103,

s2, winding the two winding wires 101 in an 8 shape to form a core wire,

s3, arranging the core wire and the first coated wire 102 on a twisting machine, spirally winding the first coated wire 102 on the core wire along the clockwise direction and forming a first core sleeve,

s4, the yarn processed in the step S3 is not disassembled, and the first coating line 102 on the spindle 31 is replaced by the second coating line 103; after the twisting machine is started, the original yarn path returns, so that the winding directions of the second coated yarn 103 and the first coated yarn 102 are opposite, the second coated yarn 103 is spirally wound on the first core sleeve to form a second core sleeve, and the coated yarn is formed up to the point;

in summary, in step S3, the twisting machine performs the step of wrapping the core wire with the first core sleeve; in the step S4, the procedure of wrapping the core wire with the second core sleeve is carried out; when the step S3 is shifted to the step S4, only the first covered wire 102 is replaced with the second covered wire 103 (the first covered wire 102 may not be replaced), so that the processing efficiency of the wrapping yarn is greatly increased.

The structure of the twisting machine is as shown in fig. 2 and 3:

the twisting machine comprises a frame 1, a tension adjusting mechanism 2, a spindle mechanism 3, a lead mechanism 4 and two groups of unreeling mechanisms 5, wherein the tension adjusting mechanism 2, the spindle mechanism 3 and the lead mechanism 4 are all arranged on the frame 1, the two groups of unreeling mechanisms 5 are respectively arranged on two sides of the frame 1, the spindle mechanism 3 comprises spindles 31 corresponding to the unreeling mechanisms 5, the unreeling mechanisms 5 comprise a mounting frame 51, a motor 52, a connecting piece 53 and a plurality of unreeling pieces 54, the plurality of unreeling pieces 54 are detachably connected with the mounting frame 51, the plurality of unreeling pieces 54 are movably connected through the connecting piece 53, and the motor 52 can drive the plurality of unreeling pieces 54 to synchronously rotate on the mounting frame 51.

When processing the core wires of the same type batch, winding the core wires on one unwinding piece 54 of a group of unwinding mechanisms 5, when the twisting machine is started, the spindle 31 of the group of unwinding mechanisms 5 spirally winds the first coated wire 102 on the advancing core wire to form a first core sleeve, the other unwinding piece 54 of the group of unwinding mechanisms 5 winds the processed core wires,

then according to the actual requirement, the first coated wire 102 on the spindle 31 is replaced by the second coated wire 103 (or the replacement is not needed), the spindle 31 is reversed, the traction direction of the second coated wire 103 on the spindle 31 is opposite to that of the first coated wire 102, the twisting machine is started again, the original yarn path is stretched back, the second coated wire 103 is spirally wound on the first core sleeve, a second core sleeve is formed, and the wrapping directions of the first coated wire 102 and the second coated wire 103 are opposite;

when processing the core wires of batches with different types, only the advancing paths of the two yarns and the traction direction of the cladding wires on the spindle 31 are changed; the thread guiding mechanism 4 and the tension adjusting mechanism 2 respectively drag the advancing path of the yarn and adjust the tension of the yarn, thereby ensuring that the yarn is processed more smoothly; the motor 52 can drive the unreeling piece 54 to reel or unreel yarns, and the unreeling pieces 54 in the same group can be connected with each other through the connecting piece 53, so that the motor 52 can drive a plurality of unreeling machines.

As shown in fig. 4-7, the motor 52 is fixed on the side wall of the mounting frame 51, the mounting frame 51 includes a plurality of intermediate tables 55, a first accommodating space 501 and a second accommodating space 502, the plurality of intermediate tables 55 separate other accommodating spaces, the first accommodating space 501 and the second accommodating space 502, the unreeling piece 54 can be placed in the plurality of other accommodating spaces, the first accommodating space 501 and the second accommodating space 502, the rotating shaft of the motor 52 extends into the first accommodating space 501, the end of the rotating shaft is provided with an inserting head 521, the second accommodating space 502 is internally provided with a rotating head 56, the intermediate tables 55 are composed of a base 551 and a clamping plate 552 which are mutually clamped, the top surface of the base 551 is provided with a first rotating groove 503, the clamping plate 552 is provided with a second rotating groove 504 corresponding to the first rotating groove 503, the first rotating groove 503 and the second rotating groove 504 form a rotating hole, the two unreeling pieces 54 each include a rotating rod 541 and a wire drum 542 which are detachably connected, the rotating rod 541 of one unreeling piece 54 is inserted into the inserting head 521 and the rotating hole, and the rotating rod 541 of the other unreeling piece 54 are inserted into the rotating hole 56; the connecting piece 53 is rotationally connected with the first rotating hole, the connecting piece 53 comprises a first coaxial limiting pipe 531, a guide column 532 and a second limiting pipe 533, two ends of the guide column 532 respectively extend into the first limiting pipe 531 and the second limiting pipe 533, limiting plates 534 are arranged in the first limiting pipe 531 and the second limiting pipe 533, a spring 535 is arranged between the limiting plates 534 and the end parts of the guide column 532, the first limiting pipe 531 is spliced with a rotating rod 541 of one unreeling piece 54, the second limiting pipe 533 is spliced with a rotating rod 541 of the other unreeling piece 54, the rotating rod 541 is formed by a coaxial rod body and a pipe body, a positioning groove 506 is formed in the side wall of the pipe body, the length direction of the positioning groove 506 is identical with the axial direction of the rod body, and a positioning strip 57 spliced with the positioning groove 506 is arranged on the inner wall of the wire barrel 542.

The clamping plate 552 is removed, so that the rotating hole is opened, the connecting piece 53 is removed from the rotating hole, and finally the unreeling piece 54 is taken out from the first accommodating space 501 and the second space, so that yarn can be assembled, removed and replaced;

when the unreeling piece 54 is placed in the first accommodating space 501, two ends of the rotating rod 541 of the unreeling piece 54 are respectively spliced with the splicing head 521 and the first limiting pipe 531; when the unreeling piece 54 is placed in the second accommodating space 502, two ends of the rotating rod 541 of the unreeling piece 54 are respectively spliced with the second limiting tube 533 and the rotating head 56; a plurality of accommodating parts can be arranged between the first accommodating space 501 and the second accommodating space 502 on the mounting frame 51, the accommodating spaces can be connected through the middle table 55, and the unreeling parts 54 placed in the accommodating spaces can be connected with each other through the connecting parts 53; the unreeling pieces 54 can synchronously rotate through a motor 52, and the unreeling pieces can be detached and installed on the mounting frame 51 through the connecting pieces 53 and the middle table 55;

the yarn can be wound on the bobbin 542, and the yarn is disassembled and assembled by mounting and dismounting the bobbin 542 on the rotating rod 541; the wire barrel 542 is stably spliced on the rotating rod 541 by the splicing of the positioning groove 506 and the positioning strip 57, so that the unreeling of the yarns is ensured to be more stable;

when the unreeling piece 54 is taken out of the accommodating space, the first limit pipe 531 and the second limit pipe 533 are only required to be moved towards the direction of the guide post 532, and the spring 535 is compressed until the first limit pipe 531 and the second limit pipe 533 are separated from the rotating rod 541 respectively, and then the unreeling piece 54 is taken out; the connector 53 can be fixed to the intermediate stage 55 by the engagement of the card 552 and the base 551.

As shown in fig. 2 and 3, the tension adjusting mechanism 2 includes tension adjusting assemblies corresponding to the two unreeling mechanisms 5, each tension adjusting assembly includes two tension members 21 corresponding to the two unreeling members 54 one by one, each tension member 21 is composed of a positioning head 211, an elastic rod 212 and a tension ring 213 which are sequentially connected, the elastic rod 212 is arc-shaped, and the positioning head 211 is spliced with the frame 1.

The yarn is pulled out by a group of unreeling mechanisms 5, sequentially passes through a tension ring 213 of one tension member 21, an upper lead member 41, a spindle 31, a lower lead member 42 and the tension ring 213 of the other tension member 21, and finally is reeled by another group of unreeling mechanisms; the tension member 21 is adjusted according to the traveling path of the yarn so that the bending direction of the elastic rod 212 matches the traveling direction of the yarn to ensure stable adjustment of the yarn tension.

As shown in fig. 2 and 3, the lead mechanism 4 includes an upper lead member 41 and a lower lead member 42, the spindle 31 is disposed between the upper lead member 41 and the lower lead member 42, and the upper lead member 41 each include a fixing frame 401 fixedly connected to the frame 1, and a wire ring 402 connected to the fixing frame 401.

The thread ring 402 of the upper thread guide 41 pulls the yarn to the top of the spindle 31, and the yarn coming out of the spindle 31 is pulled toward the tension ring 213 after passing through the thread ring 402 of the lower thread guide 42; the upper thread guide 41 and the lower thread guide 42, which correspond up and down, can ensure that the yarn passing through the spindle 31 is in a vertical state, thereby facilitating the stable winding of the wrapping thread.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present invention.

Claims

1. A processing technology of a pure cashmere wrapping yarn is characterized by comprising the following steps of

s2, winding the two winding wires in an 8 shape to form a core wire,

2. The process for producing the pure cashmere wrapping yarn according to claim 1, wherein the step S3 and the step S4 are completed on the same twisting machine, and the core wire after the winding in the step S3 is completed can be subjected to the step S4 without disassembly and replacement;

the twisting machine comprises a frame, a tension adjusting mechanism, a spindle mechanism, a lead mechanism and two groups of unreeling mechanisms, wherein the tension adjusting mechanism, the spindle mechanism and the lead mechanism are all arranged on the frame, the two groups of unreeling mechanisms are respectively arranged on two sides of the frame, the spindle mechanism comprises spindles corresponding to the unreeling mechanisms, the unreeling mechanisms all comprise a mounting frame, a motor and at least two unreeling pieces, the two unreeling pieces are detachably connected with the mounting frame and are movably connected with the two unreeling pieces, and the motor can drive the two unreeling pieces to synchronously rotate on the mounting frame.

3. The process for producing a pure cashmere wrapping yarn according to claim 2, wherein,

in step S3, the core wire is wound on one unwinding member of one set of unwinding mechanism, the spindle spirally winds the first coated wire on the core wire and forms a first core sleeve, and the unwinding member of the other set of unwinding mechanism winds the processed core wire;

4. The process for manufacturing the pure cashmere wrapping yarn according to claim 2 or 3, wherein the motor is fixed on the side wall of the mounting frame, the mounting frame comprises a middle table, a first accommodating space and a second accommodating space, the middle table separates the first accommodating space from the second accommodating space, two unreeling pieces are respectively arranged in the first accommodating space and the second accommodating space, a rotating shaft of the motor extends into the first accommodating space, an inserting head is arranged on the end part of the rotating shaft, a rotating head is arranged in the second accommodating space, the middle table is composed of a base table and a clamping plate which are mutually clamped, a first rotating groove is formed in the top surface of the base table, a second rotating groove corresponding to the first rotating groove is formed in the clamping plate, the first rotating groove and the second rotating groove form a rotating hole, the rotating rods and the wire drums which are connected in a disassembling mode are arranged on the two unreeling pieces, and the rotating rods of one unreeling piece are inserted into the inserting head and the rotating hole, and the rotating rods of the other unreeling piece are inserted into the rotating heads and the rotating holes.

5. The process for manufacturing the pure cashmere wrapping yarn according to claim 4, wherein the unreeling mechanism further comprises a connecting piece rotationally connected with the first rotating hole, the connecting piece comprises a first limiting pipe, a guide post and a second limiting pipe which are coaxial, two ends of the guide post respectively extend into the second limiting pipe of the first limiting pipe, limiting plates are arranged in the first limiting pipe and the second limiting pipe, a spring is arranged between the limiting plates and the end part of the guide post, the first limiting pipe is spliced with a rotating rod of one unreeling piece, and the second limiting pipe is spliced with a rotating rod of the other unreeling piece.

6. The process for producing the pure cashmere wrapping yarn according to claim 5, wherein the tension adjusting mechanism comprises a tension adjusting component corresponding to the unreeling mechanism, the tension adjusting component comprises two tension pieces corresponding to the two unreeling pieces one by one, each tension piece comprises a positioning head, an elastic rod and a tension ring which are sequentially connected, the elastic rod is arc-shaped, and the positioning head is spliced with the rack.

7. The process of claim 6, wherein the yarn guiding mechanism comprises an upper yarn guiding member and a lower yarn guiding member, the spindle is arranged between the upper yarn guiding member and the lower yarn guiding member, and the upper yarn guiding member each comprise a fixing frame fixedly connected with the frame and a yarn guiding ring connected with the fixing frame.

8. The process for producing the pure cashmere wrapping yarn according to claim 4, wherein the rotating rod comprises a coaxial rod body and a tube body, a positioning groove is formed in the side wall of the tube body, the length direction of the positioning groove is the same as the axial direction of the rod body, and a positioning strip which is inserted into the positioning groove is arranged on the inner wall of the wire barrel.

9. The pure cashmere wrap yarn according to claim 1, comprising a core wire and a wrap wire, wherein the core wire is composed of two wrapping wires wound in an 8-shaped manner, the wrap wire is composed of a first wrapping wire and a second wrapping wire, the first wrapping wire is spirally wound on the core wire to form a first core sleeve, the second wrapping wire is spirally wound on the first core sleeve to form a second core sleeve, and the winding directions of the first wrapping wire and the second wrapping wire are opposite.

10. A pure cashmere wrap yarn according to claim 1, characterized in that,

the winding wire, the first cladding wire and the second cladding wire are all composed of pure cashmere, the production count of the winding wire is Nm30-Nm40, the production count of the first cladding wire is Nm80-Nm 90, and the production count of the second cladding wire is Nm80-Nm120;

the winding wire can also be composed of pure cashmere, the first cladding wire and the second cladding wire are both composed of gold and silver wires, the production count of the winding wire is Nm30-Nm40, and the production count of the first cladding wire and the second cladding wire is Nm110-Nm120;

the winding wires can also be made of pure cashmere, the first cladding wires and the second cladding wires are made of white factory yarns, the production count of the winding wires is Nm30-Nm40, and the production count of the first cladding wires and the second cladding wires is Nm110-Nm120.