CN108221171B - Twisting method, twisting braiding method and twisting device for natural yarn mixing - Google Patents
Twisting method, twisting braiding method and twisting device for natural yarn mixing Download PDFInfo
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- CN108221171B CN108221171B CN201810146528.8A CN201810146528A CN108221171B CN 108221171 B CN108221171 B CN 108221171B CN 201810146528 A CN201810146528 A CN 201810146528A CN 108221171 B CN108221171 B CN 108221171B
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000009954 braiding Methods 0.000 title claims abstract description 24
- 238000002156 mixing Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 35
- 238000004804 winding Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000003247 decreasing effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000004075 alteration Effects 0.000 abstract description 4
- 238000009940 knitting Methods 0.000 description 10
- 239000004753 textile Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009965 tatting Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
- D04C1/12—Cords, lines, or tows
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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
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- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a twisting method of natural mixed yarn, which is characterized in that a second yarn wound in a loop is loosed around at least one first yarn to realize twisting, and the second yarn is twisted into twisted yarn. The invention also discloses a twisting and braiding method of the natural mixed yarn by adopting the method, and a twisting device of the natural mixed yarn adopted in the method, which comprises a rotator-shaped twisting guiding body for supporting the yarn to be twisted after the looper is taken off, wherein a twisting guiding through hole for allowing the other yarn to be twisted to pass through is arranged in the twisting guiding body; one end of the guide twisting body corresponding to the guide twisting through hole is a guide-in end, the other end is a guide-out end, and a movable ring which can enable the yarn to be twisted to be looped to loop around the guide twisting body is arranged on the guide-out end in a ring mode. The invention can obtain twisted yarn with uniform twist, ideal stretching force and elasticity, can reduce the problems of large-scale chromatic aberration and the like formed in the production process of yarn mixing products, can directly and naturally mix yarn and twist yarn on a braiding machine, can reduce the time required by yarn twisting treatment, avoid delay of interlacing and reduce yarn manufacturing cost.
Description
Technical Field
The invention relates to textile product production and textile product production equipment, in particular to a device, a method and a knitting method for yarn mixing and twisting.
Background
The twisting process is to twist two or more yarns into a strand by intertwining. The formed yarn with certain elasticity, tensile force and good hand feeling can be obtained through twisting treatment, and when multicolor yarn twisting is adopted, the formed yarn with gradual change yarn mixing effect can be obtained.
When the existing twisting machine is used for twisting yarns, the yarns are directly twisted, so that the yarns in the treatment process are easy to be stained with foreign matters such as fly, flock and dust, the formed yarns have the defect of insufficient randomness and have the problems of chromatic aberration and the like due to too uniform color, and the appearance, the handfeel and the performance of the textile fabric are further affected. Moreover, the shaped yarn cannot be immediately used for weaving into a cloth on a braiding machine, but is used on the braiding machine after the shaped yarn is wound into a bobbin yarn again. This not only delays the production cycle of the product, but also requires a relatively high cost of twisting.
In view of this, the present inventors have conducted intensive studies on a yarn twisting treatment process, and have produced the present invention.
Disclosure of Invention
The invention aims to provide a twisting method of natural mixed yarn, a twisting braiding method of natural mixed yarn and a twisting device of natural mixed yarn, which can directly realize natural mixed yarn twisting on a braiding machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A method for twisting natural mixed yarn includes such steps as winding the second yarn around at least one first yarn to form a loop, and twisting to obtain a twisted yarn.
Further, the first yarn and/or the second yarn wound in a loop are wound into a bobbin shape, a coil shape or a ball shape; the first yarn and the second yarn are correspondingly taken off from the outer ring to the inner ring or taken off from the inner ring to the outer ring; or increasing or decreasing the twisting interval between the twisting start of the first yarn and the second yarn, and correspondingly adjusting the twisting tightness of the first yarn and the second yarn.
Further, the first yarn passes through the second yarn along the winding axis direction of the second yarn and is twisted with the second yarn which is taken off into the twisted yarn.
Further, the first yarn is coated with a rubber ring from a first bobbin, and after the first yarn of the rubber ring passes through a bobbin hole in a second bobbin wound by the second yarn, the first yarn and the second yarn which is unwound from the second bobbin are twisted into a strand of twisted yarn;
And/or after passing through a barrel hole in a third barrel wound by a third yarn, twisting the twisted yarn and the third yarn which is loosed on the third barrel into a twisted yarn which is twisted again; and/or
The twisting tightness of the first yarn and the second yarn is correspondingly adjusted by increasing or decreasing the interval between the first bobbin and the second bobbin; increasing or decreasing the interval between the second bobbin and the third bobbin, and correspondingly adjusting the twisting tightness of the twisted yarn and the third yarn;
the twisting process described above is repeated in this manner.
Further, the knockover direction is the same in the knockover process; and/or
The first yarn and/or the second yarn have a twist direction, and the bind-off direction is the same as the twist direction.
The twisting and braiding method of natural mixed yarn includes drawing the second yarn around the first yarn to form twisting, and twisting the twisted yarn to form braiding while twisting.
The twisting device for natural yarn mixing comprises a twisting body for supporting the yarn to be twisted after the looper is taken off, wherein the twisting body is a rotating body, and a twisting through hole for allowing the other yarn to be twisted to pass through is formed in the twisting body; one end of the guide twisting body corresponding to the guide twisting through hole is a guide-in end, the other end of the guide twisting body is a guide-out end, and a movable ring which can enable the yarn to be twisted to be detached to encircle the guide twisting body is arranged on the guide-out end in a ring mode.
Further, from the leading-in end to the leading-out end, a main protecting ring, a lower protecting ring and an upper protecting ring are formed on the twisting body in a protruding mode in sequence; the movable ring is arranged between the lower protective ring and the upper protective ring, the main protective ring comprises a conical surface close to the leading-out end and a lower inverted conical surface close to the leading-in end, and the conical surface is smoothly transited to the lower inverted conical surface.
Further, the edge of the twisting body close to the leading-out end protrudes to form a smooth upper protecting ring, and the main protecting ring and the movable ring protrude to form a smooth lower protecting ring along the circumferential direction; and/or
The maximum inner diameter size of the movable ring is respectively smaller than the minimum radial size of the upper protective ring and the minimum radial size of the lower protective ring; the radial dimension of the main protective ring is the maximum radial dimension of the guide twisting body; and/or
The surface of the twisting body between the lower protective ring and the upper protective ring is recessed to form an upper inverted conical surface, the movable ring is sleeved at the upper inverted conical surface, and a gap is formed between the inner surface of the movable ring and the upper inverted conical surface; and/or
The guide twisting body is close to the guide end to form a clamping block, and the clamping block protrudes to form one or more stepped steps.
Further, the novel twisting device comprises a frame, wherein the frame comprises a main supporting rod and a tray used for placing the twisting body, the tray is arranged on the main supporting rod, and through holes are formed in the tray corresponding to the twisting through holes.
By adopting the technical scheme, the natural yarn mixing twisting method and the natural yarn mixing twisting and weaving method can directly twist yarns by natural yarn mixing on a braiding machine, can reduce the time required by yarn twisting treatment, avoid delay of a crossing period and reduce yarn manufacturing cost.
The twisting device for natural yarn mixing can obtain twisted yarns with uniform twist and ideal tensile force and elasticity, and can reduce the problems of large-scale chromatic aberration and the like in the production process of yarn mixing products manufactured by twisted yarns.
Drawings
FIG. 1 is a twisting schematic of the present invention;
FIG. 2 is a schematic view of the structure of the twisting body and the moving ring according to the present invention;
FIG. 3 is a schematic diagram of a second structure of the twisting body and the moving coil of the present invention;
fig. 4 is a schematic diagram of the structure of the twisting body and the moving coil of the present invention.
Description of the reference numerals:
Twisted yarn 1a is wound around axis 2a
First yarn 1 first bobbin 11
Second yarn 2 second yarn barrel 21
Third yarn 3 third yarn barrel 31
Fourth yarn 4 fourth bobbin 41
Twisting device 5 twisting guide body 51
Clamping block 512 of twisting through hole 511
Conical surface 5131 of main protective ring 513
Lower guard ring 514 with inverted conical surface 5132
Upper inverted conical surface 516 of upper guard ring 515
Step 517 movable ring 52
Main supporting rod 531 of frame 53
Tray support bar 5311 transverse support bar 5312
Tray 532 through hole 5321
Detailed Description
For further explanation of the technical scheme of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4, the twisting method of the natural yarn blend according to the present invention is mainly implemented by the steps of: the yarn is twisted by the loop-forming and winding yarn, and two or more yarns are twisted into one twisted yarn 1a, namely, the yarn is twisted by the loop-forming and winding yarn being wound around the other yarn, and the twisted yarn 1a is formed by twisting. The first yarn 1 and the second yarn 2 to be twisted may be a same-color yarn, a different-color yarn, or a color-changing yarn, and may be twisted one with another, or twisted two with two, or the like, which will not be described herein.
Example 1
In this case, the natural yarn-mixing twisting method mainly includes the steps of taking off the looped second yarn 2 around at least one first yarn 1 to twist and twisting the second yarn into a twisted yarn 1a. The first yarn 1 and/or the second yarn 2 are looped and wound in a bobbin shape, a coil shape or a pellet shape.
The following description will take, as an example, a first yarn 1 wound into a hollow frustum-shaped first bobbin 11 and a second yarn 2 wound into a hollow frustum-shaped second bobbin 21, wherein a bobbin hole is formed in each of the first bobbin 11 and the second bobbin 21. Naturally, if a plurality of yarns such as the third yarn 3 and the fourth yarn 4 are used, a plurality of yarns such as the third yarn 3 and the fourth yarn 4 are wound into the third bobbin 31 and the fourth bobbin 41 correspondingly. The first yarn winding drum 11, the second yarn winding drum 21, the third yarn winding drum 31, the fourth yarn winding drum 41, and the like are respectively provided with a first yarn winding body 51, a second yarn winding body 51, a fourth yarn winding body 51, and the like.
At the time of the take-off, the first yarn 1 and the second yarn 2 are respectively taken off from the outer ring to the inner ring of the first bobbin 11 and the second bobbin 21, so that the first bobbin 11 and the second bobbin 21 become thinner from outside to inside. Of course, the first yarn 1 and the second yarn 2 may be respectively unwound from the inner ring to the outer ring of the first bobbin 11 and the second bobbin 21, so that the first bobbin 11 and the second bobbin 21 become thinner from inside to outside.
The embodiment realizes natural yarn mixing and twisting through the following steps: the first yarn 1 passes through a tubular hole in the second bobbin 21 along the winding axis 2a of the second yarn 2, that is, the axial direction of the second bobbin 21, and is twisted with the second yarn 2 which is unwound from the second bobbin 21 to form a twisted yarn 1a.
The twisting process may be repeated as needed, for example, after the twisted yarn 1a passes through the drum hole in the third drum 31 wound with the third yarn 3, the twisted yarn 1a and the third yarn 3 which is unwound from the third drum 31 are twisted into a twisted yarn 1a which is twisted again. After the re-twisted yarn 1a passes through the drum hole in the fourth drum 41 around which the fourth yarn 4 is wound, the re-twisted yarn 1a is twisted with the fourth yarn 4 which is unwound from the fourth drum 41 to form a single twisted yarn 1a. Similarly, repeating the twisting process described above can accomplish any number of superimposed twists.
Preferably, the twisting pitch between the twisting starts of the first yarn 1 and the second yarn 2 is increased or decreased, and the twisting tightness of the first yarn 1 and the second yarn 2 is correspondingly adjusted. When the first yarn 1 moves forward to the upper part of the second guide body 51 after being unwound from the first bobbin 11, the second yarn 2 moves forward to the upper part of the second guide body 51 after being unwound from the second bobbin 21, and the longer the twisting interval between the second yarn 2 and the twisting start of the first yarn 1, the more loose the degree of twisting of the first and second yarns 1 and 2. Conversely, the more twisted the first yarn 1 and the second yarn 2 are, the tighter. The twist pitch between the twist starts of the twist refers to the position where the first yarn 1 and the second yarn 2 initially contact the third yarn 3.
Preferably, the direction of the loopers is the same during the loopers, and when the first yarn 1 and/or the second yarn 2 have the twisting direction, that is, when the first yarn 1 and the second yarn 2 are not monofilaments but plied yarns, the direction of the loopers is the same as the twisting direction of the first yarn 1 and the second yarn 2, so that the twisting direction of the twisted yarn 1a is the same as the twisting direction of the first yarn 1 and the second yarn 2, the twisting of the twisted yarn 1a is compact, not easy to loosen, and better performance is obtained.
Example two
In the scheme, the twisting and braiding method of the natural mixed yarn can be realized by adopting the twisting method of the natural mixed yarn.
The yarn pulling mechanism of the braiding machine pulls the first yarn 1 and the second yarn 2 to be twisted to correspondingly separate and advance, the second yarn 2 winds the first yarn 1 to separate, the first yarn 1 and the second yarn 2 pulled forward realize twisting in the separating process, and the twisted yarn 1a synthesized by twisting is pulled by the yarn pulling mechanism and enters the braiding machine to be braided, so that the braiding is realized while twisting. The braiding machine and the wire pulling mechanism can all adopt the existing structure, and are not repeated here.
Example III
In this case, the twisting device 5 for natural yarn mixing and the twisting device 5 for short can be adopted in the above methods. The twisting device 5 mainly comprises a twisting guiding body 51 and a movable ring 52, wherein the twisting guiding body 51 and the movable ring 52 can enable a plurality of yarns to naturally break off the rings and start to be wound and twisted, and finally the twisting is realized. A shelf 53 for placing the wire drum may also be included. The guiding twisting refers to that the yarn to be twisted is pulled and guided in the twisting process so as to lead out the yarn to be twisted.
The twisting body 51 can support the yarn to be twisted after the looper, the twisting body 51 is a rotating body with a twisting through hole 511 inside, one end of the twisting body 51 corresponding to the twisting through hole 511 is a leading-in end, and the other end is a leading-out end. The leading-in end is taken as the lower end of the twisting body 51, the leading-out end is taken as the upper end of the twisting body 51, and the twisting body 51 sequentially protrudes from the leading-in end to the leading-out end to form a clamping block 512, a main protective ring 513, a lower protective ring 514 and an upper protective ring 515. The clamping block 512 is located on the leading-in end, the main protection ring 513 comprises a conical surface 5131 close to the leading-out end and a downward conical surface 5132 close to the leading-in end, and the joint of the conical surface 5131 and the downward conical surface 5132 is in smooth transition.
The movable ring 52 is a smooth-surfaced and smoothly-transited ring, the movable ring 52 is sleeved between the lower protective ring 514 and the upper protective ring 515, and can move up and down between the lower protective ring 514 and the upper protective ring 515, and when twisting, the yarn to be twisted passes through the movable ring 52 and is taken off around the outer circumferential surface of the twisting body 51.
The edge of the guiding body 51 near the leading-out end protrudes to form a smooth upper guard ring 515, the minimum radial dimension of the upper guard ring 515 is larger than the maximum inner diameter dimension of the movable ring 52, and the radial dimension of the main guard ring 513 is the maximum radial dimension of the guiding body 51.
The main guard ring 513 and the movable ring 52 are protruded in the circumferential direction to form a smooth lower guard ring 514, and the minimum radial dimension of the lower guard ring 514 is larger than the maximum inner diameter dimension of the movable ring 52.
The outer surface of the twisting body 51 between the lower protective ring 514 and the upper protective ring 515 is inwards recessed to form an upper inverted conical surface 516, the movable ring 52 is sleeved at the upper inverted conical surface 516, and a gap is formed between the inner surface of the movable ring 52 and the upper inverted conical surface 516. During twisting, the yarn to be twisted passes through the gap, and the movable ring 52 can move up and down along with the yarn to be twisted on the upper inverted conical surface 516. Preferably, as shown in fig. 4, the cross section of the concave outer surface of the twisting body 51 is arc-shaped, so that an ideal moving space can be provided for the yarn to be twisted, the yarn to be twisted can smoothly pass through the space, and the tension and the impurities of the yarn to be twisted can be effectively treated.
The upper guard ring 515 and the lower guard ring 514 mainly limit the moving range of the movable ring 52, the lower guard ring 514 can prevent the movable ring 52 from falling down from the upper inverted conical surface 516, and the upper guard ring 515 can prevent the yarn to be twisted, which is pulled by the movable ring 52, from being brought out of the upper inverted conical surface 516. Meanwhile, the upper guard ring 515 and the lower guard ring 514 can also adjust the tension of the drawn yarn to be twisted, remove impurities on the yarn to be twisted, and support the yarn to be twisted during twisting and drawing processes.
The twisting body 51 is provided with a step 517 corresponding to the protrusion of the upper portion of the clamping block 512, the upper end of the clamping block 512 is located in the middle of the step 517, and the outer diameter size of the clamping block 512 is not greater than the minimum inner diameter size of the barrel hole in the bobbin, so that the clamping block 512 can extend into the barrel hole in the bobbin. The radial dimension of the step 517 is greater than the smallest inner diameter dimension of the barrel bore in the barrel, enabling the upper end of the barrel to rest on the step 517.
Preferably, the steps 517 include at least two steps disposed up and down, and each step is in a step shape with gradually wider from bottom to top, i.e. the radial dimension of each step is gradually increased from bottom to top.
The stand 53 includes a main support bar 531 and a tray 532, the main support bar 531 is vertically arranged, and the main support bar 531 transversely extends to form at least two tray support bars 5311, each tray support bar 5311 is correspondingly arranged up and down, and the tray 532 is fixedly arranged on each tray support bar 5311. For convenience of description, the trays 532 placed from bottom to top as shown in fig. 1 are respectively a first tray 532, a second tray 532, a third tray 532, a fourth tray 532, and so on.
Each tray 532 has through holes 5321 corresponding to the respective wire placing cylinders, and these through holes 5321 can be provided corresponding to the cylinder holes of the first wire cylinder 11, the second wire cylinder 21, the third wire cylinder 31, and the fourth wire cylinder 41 located on each tray 532. The through holes 5321 may be provided corresponding to the through holes 511 provided in the twisting body 51 placed in the cylindrical hole. When twisting, the first yarn 1 passes through the through hole 5321 and the cylindrical hole in the second bobbin 21, and then is twisted with the second yarn 2.
Preferably, in twisting, the twisting tightness of the twisted yarn 1a can be adjusted by increasing or decreasing the intervals between the plurality of trays 532, that is, the distances between the first bobbin 11, the second bobbin 21, the third bobbin 31, the fourth bobbin 41, and the like.
The main support bar 531 also extends with a transverse support bar 5312, the transverse support bar 5312 being arranged at 90 ° to the pallet support bar 5311, the main support bar 531 also being provided with a hole slot for connecting to the knitting machine support. The transverse support rods 5312 and the main support rods 531 are fixedly arranged on the knitting machine support, so that the left and right shaking of the stand 53 can be prevented, and the stand 53 is fixedly arranged on the knitting machine support through the hole grooves and the matching of bolts and nuts.
Example IV
In this embodiment, the twisting method of natural yarn blending is described in further detail, and the specific steps are as follows:
When the yarn is twisted, under the traction of the yarn pulling mechanism of the knitting machine, the first bobbin 11 and the second bobbin 21 are firstly placed in the first tray 532 and the second tray 532 on the frame 53 in sequence, so that the through holes 5321 are correspondingly communicated with the bobbin holes on the first bobbin 11 and the second bobbin 21 respectively. Then, the clamping blocks 512 of the first and second twisting guide bodies 51 are respectively placed in the cylinder holes of the first and second bobbins 11 and 21, so that the upper end surfaces of the first and second bobbins 11 and 21 are respectively supported on the steps 517.
The first yarn 1 is then pulled upwards as follows: after bypassing the main protective ring 513 on the first twisting body 51, the first yarn 1 passes through the gap between the inner surface of the movable ring 52 and the upper inverted conical surface 516; after bypassing the upper guard ring 515, the first yarn 1 sequentially passes through the through hole 5321 of the second tray 532, the cylindrical hole of the second bobbin 21, and the twisting through hole 511 of the second twisting body 51 of the second bobbin 21.
The second yarn 2 is also pulled onto the twisting body 51 on the second bobbin 21 as above: the second yarn 2 passes through the gap between the inner surface of the movable ring 52 and the upper inverted conical surface 516 after bypassing the main protective ring 513 on the second twisting body 51, and passes through the upper protective ring 515, and then the thread ends of the first yarn 1 and the second yarn 2 are combined into a twisted yarn 1a at the upper part of the second twisting body 51, and the twisted yarn 1a can enter a braiding machine to carry out corresponding braiding such as braiding, warp knitting, flying braiding, tatting, flat knitting and the like without twisting again.
When the first yarn 1 or the second yarn 2 is pulled upward, the size of the first bobbin 11 or the second bobbin 21 changes with the payout of the first yarn 1 or the second yarn 2. When the lower inverted conical surface 5132 of the main protective ring 513 makes the first yarn 1 or the second yarn 2 move upwards, the first yarn 1 or the second yarn 2 has an inclination amplitude, so that the phenomena of blocking, jamming and the like of the first yarn 1 or the second yarn 2 can be prevented, yarn breakage can be caused, and the twist degree of the twisted yarn 1a twisted by the first yarn 1 or the second yarn 2 is more uniform due to the transition of the main protective ring 513 when the yarn to be twisted is pulled by the yarn pulling mechanism. When the first yarn 1 or the second yarn 2 is pulled between the movable ring 52 and the inverted conical surface 516 by the yarn pulling mechanism, the first yarn 1 or the second yarn 2 can not be outwards expanded or scattered due to the blocking of the movable ring 52, and can only be looped in the movable ring 52, so that the twist degree of the twisted yarn 1a is further promoted to be more uniform. When the first yarn 1 or the second yarn 2 is pulled to the upper guard ring 515 by the yarn pulling mechanism, the upper guard ring 515 can not only prevent the movable ring 52 from being carried away by the first yarn 1 or the second yarn 2, but also drive the first yarn 1 or the second yarn 2 to slightly expand outwards, so that the twist of the twisted yarn 1a can be promoted to be more uniform again. The inverted conical surface 516 prevents the movable coil 52 from being jammed when being driven by the first yarn 1 or the second yarn 2, thereby causing the first yarn 1 or the second yarn 2 to break.
The twisting method of natural yarn mixing can obtain twisted yarn 1a with even twist by using the twisting device 5, and the twisted yarn 1a keeps ideal tensile force and elasticity, and can reduce the problems of large-range chromatic aberration and the like in the production process of yarn mixing products.
Under the action of the yarn pulling mechanism, the first yarn 1 and the second yarn 2 are separated from the first bobbin 11 and the second bobbin 21 respectively in one circle, and after the separation, the first yarn 1 and the second yarn 2 still keep a curled state under the action of bending force. The first yarn 1 and the second yarn 2 are in contact with each other and rubbed against each other in the upper portion of the second bobbin 21, and the first yarn 1 in a curled state and the second yarn 2 in a curled state are naturally wound and twisted into one strand to form a twisted yarn 1a. The twisted yarn 1a after twisting is still pulled by the yarn pulling mechanism of the knitting machine and enters the knitting machine to be knitted into yarn.
The yarn in the invention can adopt the same method according to the production requirement, and the twisting times of the yarn are accumulated to improve the twisting quality, so as to obtain the twisted yarn 1a with various twists and multicolor twists.
By adopting the technical scheme, the natural yarn mixing and twisting method can directly twist the yarns by natural yarn mixing on the knitting machine, can reduce the time required by twisting the yarns, avoid delay of the interlacing and reduce the cost of yarn making.
It is specifically intended that this embodiment be the best mode of the invention. If the first yarn 1 is not wound in a cylindrical shape, a coil shape or a spherical shape, the first yarn 1 does not pass through the first twisting guiding body 51, and the first yarn 1 can also contact with the second yarn 2 and rub, and then the second yarn 2 in a curled state can still be naturally wound and twisted with the first yarn 1 to form a twisted yarn 1a.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (10)
1. Twisting device of natural mixed yarn, its characterized in that: the yarn twisting device comprises a yarn twisting body for supporting the yarn to be twisted after the looper is taken off, wherein the yarn twisting body is a rotating body, and a yarn twisting through hole for allowing the other yarn to be twisted to pass through is formed in the yarn twisting body; one end of the guide twisting body corresponding to the guide twisting through hole is a guide-in end, the other end of the guide twisting body is a guide-out end, and a movable ring which can enable the yarn to be twisted to be detached to encircle the guide twisting body is arranged on the guide-out end in a ring mode.
2. The natural yarn mixing twisting device according to claim 1, wherein: from the leading-in end to the leading-out end, a main protecting ring, a lower protecting ring and an upper protecting ring are sequentially formed on the guide twisting body in a protruding mode; the movable ring is arranged between the lower protective ring and the upper protective ring, the main protective ring comprises a conical surface close to the leading-out end and a lower inverted conical surface close to the leading-in end, and the conical surface is smoothly transited to the lower inverted conical surface.
3. The natural yarn mixing twisting device according to claim 2, wherein: the edge of the guide twisting body, which is close to the leading-out end, protrudes to form a smooth upper protective ring, and the lower protective ring protrudes between the main protective ring and the movable ring along the circumferential direction to form a smooth lower protective ring; and/or
The maximum inner diameter size of the movable ring is respectively smaller than the minimum radial size of the upper protective ring and the minimum radial size of the lower protective ring; the radial dimension of the main protective ring is the maximum radial dimension of the guide twisting body; and/or
The surface of the twisting body between the lower protective ring and the upper protective ring is recessed to form an upper inverted conical surface, the movable ring is sleeved at the upper inverted conical surface, and a gap is formed between the inner surface of the movable ring and the upper inverted conical surface; and/or
The guide twisting body is close to the guide end to form a clamping block, and the clamping block protrudes to form one or more stepped steps.
4. A natural yarn mixing twisting device according to claim 3, characterized in that: the novel twisting device comprises a twisting body, and is characterized by further comprising a frame, wherein the frame comprises a main supporting rod and a tray used for placing the twisting body, the tray is arranged on the main supporting rod, and a through hole is formed in the tray corresponding to the twisting through hole.
5. The twisting method of natural yarn mixing is characterized in that: twisting is performed by a twisting device according to any one of claims 1-4, and the looped and wound second yarn is twisted around at least one first yarn loop and twisted into a twisted yarn.
6. The method of twisting natural yarn blend according to claim 5, wherein: the first yarn and/or the second yarn wound in a loop are wound into a bobbin shape, a coil shape or a ball shape; the first yarn and the second yarn are correspondingly taken off from the outer ring to the inner ring or taken off from the inner ring to the outer ring; or increasing or decreasing the twisting interval between the twisting start of the first yarn and the second yarn, and correspondingly adjusting the twisting tightness of the first yarn and the second yarn.
7. The method of twisting natural yarn blend according to claim 5, wherein: the first yarn passes through the second yarn along the winding axis direction of the second yarn and is twisted with the second yarn which is taken off into the twisted yarn.
8. The method of twisting natural yarn blend according to claim 5, wherein: the first yarn is coated with a rubber ring from a first bobbin, and after passing through a bobbin hole in a second bobbin wound by the second yarn, the first yarn and the second yarn which is unwound from the second bobbin are twisted into a strand of twisted yarn;
And/or after passing through a barrel hole in a third barrel wound by a third yarn, twisting the twisted yarn and the third yarn which is loosed on the third barrel into a twisted yarn which is twisted again; and/or
The twisting tightness of the first yarn and the second yarn is correspondingly adjusted by increasing or decreasing the interval between the first bobbin and the second bobbin; increasing or decreasing the interval between the second bobbin and the third bobbin, and correspondingly adjusting the twisting tightness of the twisted yarn and the third yarn;
the twisting process described above is repeated in this manner.
9. The twisting method of natural yarn blend according to claim 6 or 8, wherein: the knockover direction is the same in the knockover process; and/or
The first yarn and/or the second yarn have a twist direction, and the bind-off direction is the same as the twist direction.
10. The twisting and braiding method of the natural mixed yarn is characterized in that: twisting is performed by adopting the twisting device according to any one of claims 1-4, a yarn pulling mechanism of the braiding machine pulls the second yarn to be loomed around the first yarn to realize twisting, and the twisted yarn which is twisted enters the braiding machine to be braided, so that braiding is realized while twisting.
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| CN110373756B (en) * | 2019-07-05 | 2020-05-26 | 浙江太阳洲电气科技有限公司 | Yarn breakage detection method for mixed yarn twisting line and mixed yarn twisting device |
| CN115522401B (en) * | 2022-06-29 | 2024-06-18 | 南通市祥盛新材料有限公司 | Glass fiber creel mechanism |
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