CN212611108U - Different-twist different-dyeing composite yarn production device and composite yarn - Google Patents

Abstract

The invention relates to the technical field of spinning. The invention discloses a device for producing different-twist and different-dyeing composite yarns, which comprises a feeding roller, a first hot box, a cooling plate, a yarn guide device, a twisting device, a converging yarn guide device, a second hot box, a rear roller and a winding device which are sequentially connected; a different-twist and different-dyeing composite yarn. The production device for the different-twist and different-dyeing composite yarn can realize that chemical fiber filaments are mutually wrapped to form self-twist while being elasticized; the surface of the different-twist different-dyeing composite yarn is in a Z-twist-S-twist-untwisted alternating state, and due to different twist degrees, the tightness degree of each section is different, so that the yarn presents a section color effect after being dyed; has different twisting style, can achieve the effect of different dyeing in the same cylinder, and has the wool-like feeling.

Description

Different-twist different-dyeing composite yarn production device and composite yarn

Technical Field

The utility model belongs to the technical field of the textile technology and specifically relates to a different dyeing composite yarn apparatus for producing and composite yarn are twisted with fingers to different.

Background

With the improvement of living standard of people, textile consumption trend is more and more diversified, various fancy yarns are in endless at present, however, the fancy yarns on the market are produced on a two-for-one twister, two procedures are needed for manufacturing, the process flow is additionally increased, and the production efficiency is lower; for a long time, chemical fiber texturing processes are mainly used for producing DTY, the yarn style is single, and the market competitiveness is insufficient.

For example, chinese patent publication No. CN108823715A discloses a process for producing parallel composite yarn and fabric thereof in 2018, 11 and 16, which comprises the following steps: adopting the traditional water-soluble vinylon plying and untwisting process to spin the untwisted yarn; the non-twisted yarns and the skeleton yarns are combined by a doubling winder, then the two-for-one twister is adopted for twisting, the parallel composite yarns with the non-twisted yarns inside and the skeleton yarns outside are obtained, the novel parallel composite yarns and the novel parallel fabric are processed and manufactured by adopting the traditional textile technology, so that the investment risk at the initial stage of the project can be avoided, and the consumption requirements of the market and consumers on the bionic functional fabric are met as early as possible. But the composite yarn still needs to be manufactured through a plurality of working procedures, the process flow is still more complicated, and the manufactured composite yarn has a single style and lacks of market competitiveness.

Also as chinese patent publication No. CN103184606A discloses a yarn and a method for producing the same to increase the elasticity of the yarn itself and improve the elasticity of the textile fabric in 2013, 7/3.a yarn provided by the present invention is obtained by twisting a common finished yarn twice, and a method for producing the same to increase the elasticity of the yarn itself and improve the elasticity of the textile fabric provided by the present invention includes the following steps: twisting the common finished yarn for the second time to improve the twist; spinning by using the twice-twisted yarns to obtain a textile fabric; the utility model discloses a technical scheme who provides then adopts the mode that adopts two-for-one twisting to weaving finished product yarn, carries out the secondary twisting to the yarn of original certain twist to increase yarn elasticity, and combine the yarn characteristics, combine appropriate after finishing technique, improve the natural elasticity of fabric. However, the above problem still exists, the yarn obtains elasticity by adopting a secondary twisting mode, and the process flow is still complicated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a device for producing the different-twist different-dyeing composite yarn, which can directly finish three procedures of elasticizing, self-twisting and coating by one process, has short process flow and high production efficiency;

the utility model also provides a utilize by above-mentioned different dyeing composite yarn production technology of twisting different dyeing the composite yarn that the production of different dyeing composite yarn apparatus for producing made.

In order to achieve the above object, the utility model adopts the following technical scheme:

a device for producing different-twist and different-dyeing composite yarns comprises a feeding roller, a first hot box, a cooling plate, a yarn guide device, a twisting device, a converging yarn guide device, a second hot box, a rear roller and a winding device which are sequentially connected; the feeding rollers comprise a first feeding roller, a second feeding roller or a third feeding roller, and at least comprise a first feeding roller and a second feeding roller; the guide wire device moves periodically; the twisting device comprises two twisting rollers which rotate around the shaft and move back and forth along the axial direction.

Preferably, the feeding roller is composed of a first feeding roller and a second feeding roller.

The preferable feeding roller is composed of a first feeding roller, a second feeding roller and a third feeding roller.

Preferably, the yarn guiding device comprises two yarn guiding rings, wherein the first yarn guiding ring is fixed, the second yarn guiding ring is connected with the traversing cylinder through the traversing shaft, the traversing cylinder is connected with the controller, and the controller controls the traversing cylinder to drive the traversing shaft to move periodically.

The filament guiding device can be moved periodically to control the two strands of monofilament to be separated or combined on the twisting roller periodically. A transverse cylinder in the yarn guide device drives a transverse moving shaft to move rightwards, the transverse moving shaft drives a second yarn guide ring to move rightwards, a first single yarn and a second single yarn are separated, and false twisting is respectively carried out on a twisting roller; when a transverse cylinder in the yarn guiding device drives a transverse moving shaft to move leftwards, the transverse moving shaft drives a second yarn guiding ring to move leftwards, a first yarn guiding ring and a second yarn guiding ring are overlapped in the horizontal direction, and a first single yarn and a second single yarn are combined under the vertical pressure of a twisting roller to form a yarn.

Preferably, the two twisting rollers on the twister rotate around the shafts thereof in opposite directions and reciprocate in opposite directions along the shafts thereof.

The twisting roller rotates and reciprocates, the yarn before the twisting roller is in a drafting state and the yarn after the twisting roller is in an overfeed state through the cooperation of the twisting roller and the feeding roller and the back roller

This use novel in different twist difference dyeing composite yarn apparatus for producing can produce different twist difference dyeing composite yarn through following two kinds of technologies:

the first production process is that the first single yarn and the second single yarn are fed by a first feeding roller and a second feeding roller respectively, pass through a hot box, a cooling plate and a yarn guide device and then pass through a twisting device; the first single yarn and the second single yarn form yarn after passing through the twisting roller and reach the converging yarn guide, and then are wound up through the winding device after passing through the converging yarn guide, the second hot box and the back roller;

or the like, or, alternatively,

the second production process is that the first single yarn and the second single yarn are fed by a first feeding roller and a second feeding roller respectively, pass through a hot box, a cooling plate and a yarn guide device and then pass through a twisting device; the first single yarn and the second single yarn form yarn after passing through the twisting roller and reach the converging yarn guide, the third single yarn is fed into the converging yarn guide by a third feeding roller to be converged with the yarn formed by the first single yarn and the second single yarn to form composite yarn, and then the composite yarn is wound by a winding device through a second hot box and a back roller.

The yarn guide device moves periodically to control the first single yarn and the second single yarn to be separated and combined periodically on the twisting roller.

The transverse cylinder in the thread guiding device drives the transverse moving shaft to move periodically, and the periodic movement of the transverse moving shaft drives the second thread guiding ring to move periodically.

A transverse cylinder in the yarn guide device drives a transverse moving shaft to move rightwards, the transverse moving shaft drives a second yarn guide ring to move rightwards, a first single yarn and a second single yarn are separated, and false twisting is respectively carried out on a twisting roller; when a transverse cylinder in the yarn guiding device drives a transverse moving shaft to move leftwards, the transverse moving shaft drives a second yarn guiding ring to move leftwards, a first yarn guiding ring and a second yarn guiding ring are overlapped in the horizontal direction, and a first single yarn and a second single yarn are combined under the vertical pressure of a twisting roller to form a yarn.

The different-twist different-dyeing composite yarn is produced by a different-twist different-dyeing composite yarn production process by using a different-twist different-dyeing composite yarn production device, and comprises a plurality of S-twist areas, transition areas, Z-twist areas and untwisted areas which are sequentially and alternately arranged along the axis direction.

The utility model discloses a preparation principle does: the single yarn after false twisting by the twisting roller has untwisting torque, when the single yarn meets two conditions of self-twisting (1), the single yarn is arranged in parallel, the single yarn is in full contact with the single yarn (2), when the false twisting is released in time, two or three strands of the single yarn with the untwisting torque are entangled around an axis to form a twist, and when the twisting roller moves in a reciprocating manner, two S + Z twists are continuously formed; the yarn guide device with special periodic motion enables the two strands of single yarns on the twisting roller to be separated to form the self-twisting phenomenon, when the yarn guide device with special periodic motion enables the two strands of single yarns on the twisting roller to be combined, the two strands of single yarns are combined into one strand of yarn, only the false twisting-untwisting actions are simply repeated, and the composite yarn does not twist; when the third single yarn is introduced at the converging yarn guide, if the third single yarn is in a tensed state, the first and second single yarns having untwisting moment and in a relaxed state are liable to spontaneously wrap on the third single yarn, forming a core-spun yarn.

Therefore, the utility model discloses following beneficial effect has:

the production device for the different-twist and different-dyeing composite yarn can realize that chemical fiber filaments are mutually wrapped to form self-twist while being elasticated, and can even form core-spun yarn through a special process;

the different-twist different-dyeing composite yarn is produced by a different-twist different-dyeing composite yarn production process and a different-twist different-dyeing composite yarn production device, the surface of the different-twist different-dyeing composite yarn is in a Z-twist-S-twist-untwisted alternating shape, and the integral style of the yarn is unique; due to different twist degrees and different tightness degrees of all sections, the dyed yarn has a section color effect; has different twisting style, can achieve the effect of different dyeing in the same cylinder, has wool-like feeling and good market prospect.

Drawings

FIG. 1 is a schematic view of a device for producing a different-twist and different-dye composite yarn according to example 1 of the present invention;

FIG. 2 is a schematic view of a device for producing a different-twist and different-dye composite yarn according to embodiment 2 of the present invention;

FIG. 3 is a schematic view of a yarn guide device in a device for producing medium-twist and hetero-dyed composite yarns according to the present invention;

FIG. 4 is a schematic structural view of a medium differential twist dyed composite yarn according to the present invention;

in the figure: the device comprises a first feeding roller 1, a second feeding roller 2, a third feeding roller 3, a hot box 4, a cooling plate 5, a special yarn guide 6, a twisting roller 7, a converging yarn guide 8, a second hot box 9, a rear roller 10, a winding device 11, a first yarn guide ring 12, a second yarn guide ring 13, a transverse moving shaft 14 and a transverse moving cylinder 15; a first single yarn A, a second single yarn B and a third single yarn C; an S-twist region 200, a transition region 210, a Z-twist region 220, and an untwisted region 230.

Detailed Description

The technical solution of the present invention will be further described with reference to the following embodiments.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the present invention, all the devices and materials are commercially available or commonly used in the art, and the methods in the following examples are conventional in the art unless otherwise specified.

Example (b):

as shown in fig. 1-3, a device for producing a different-twist and different-dyeing composite yarn comprises a feeding roller, a hot box 4, a cooling plate 5, a yarn guide device 6, a twisting device 7, a converging yarn guide device 8, a second hot box 9, a back roller 10 and a winding device 11 which are connected in sequence; the feeding rollers comprise a first feeding roller 1, a second feeding roller 2 or a third feeding roller 3, and at least comprise a first feeding roller and a second feeding roller; the guide wire device moves periodically; the twisting device comprises two twisting rollers which rotate around the shaft and move back and forth along the axial direction; the yarn guiding device comprises two yarn guiding rings, wherein a first yarn guiding ring 12 is fixed, a second yarn guiding ring 13 is connected with a traversing cylinder 15 through a traversing shaft 14, the traversing cylinder is connected with a controller (not shown in the figure), and the controller controls the traversing cylinder to drive the traversing shaft to move periodically; two twisting rollers on the twisting device rotate oppositely around the shaft and move reciprocally along the axial direction.

The yarn guide device moves periodically to control the first single yarn and the second single yarn to be separated and combined periodically on the twisting roller; a transverse cylinder in the thread guiding device drives a transverse moving shaft to move periodically, and the periodic movement of the transverse moving shaft drives a second thread guiding ring to move periodically; a transverse cylinder in the yarn guide device drives a transverse moving shaft to move rightwards, the transverse moving shaft drives a second yarn guide ring to move rightwards, a first yarn guide ring and a second yarn guide ring are separated in the horizontal direction, a first single yarn and a second single yarn are separated, and false twisting is respectively carried out on a twisting roller; when a transverse cylinder in the yarn guiding device drives a transverse moving shaft to move leftwards, the transverse moving shaft drives a second yarn guiding ring to move leftwards, a first yarn guiding ring and a second yarn guiding ring are overlapped in the horizontal direction, and a first single yarn and a second single yarn are combined under the vertical pressure of a twisting roller to form a yarn.

As shown in fig. 4, the different-twist different-dyed composite yarn is produced by a different-twist different-dyed composite yarn production process by using a different-twist different-dyed composite yarn production device, and comprises a plurality of S-twist regions 200, transition regions 210, Z-twist regions 220 and untwisted regions 230 which alternately appear in sequence.

Production example 1

A production method of an over-twisted and over-dyed composite yarn comprises the following steps: the first single yarn A is flame-retardant cation pre-oriented yarn (POY), the breaking strength is 3.0cN/dtex, the elongation at break is 90%, the specification is 83dtex/36f, the second single yarn B is antibacterial polyester fiber (POY), the breaking strength is 2.5cN/dtex, the elongation at break is 110%, the specification is 83dtex/36f, the third single yarn C is PTT elastic Fiber (FDY), the breaking strength is 2.3cN/dtex, the elongation at break is 40%, and the specification is 78dtex/48 f;

as shown in fig. 1, a first single yarn a and a second single yarn B are fed by a first feeding roller 1 and a second feeding roller 2 respectively, pass through a hot box 4, a cooling plate 5, a yarn guide device 6, a twister 7 and reach a converging yarn guide 8; a third single yarn C is fed by a third feeding roller 3 and finally reaches a converging yarn guide 8; when the yarn guide device 6 is in a merging state, the composite yarn is repeatedly twisted and untwisted, and the composite yarn has no twist; when the yarn guiding device 6 is in a separated state, the first single yarn A and the second single yarn B are wrapped around the third single yarn C in a tense state under the action of untwisting moment after passing through the converging yarn guiding device 8, and when the twisting roller moves in the opposite direction, the composite yarn forms the opposite twisting direction;

in the production process, the speed is 200m/min, the speed ratio of the twisting roller to the feeding roller is 1.6, the temperature of a first hot box is 170 ℃, the temperature of a second hot box is 140 ℃, the speed ratio of the twisting roller to a rear roller is 1.08, the speed ratio of the rear roller to a third feeding roller is 1.17, and the winding overfeed rate is determined according to the package condition;

the properties of the obtained hetero-twisted and hetero-dyed composite yarn were as follows: the breaking strength is 2.17cN/dtex, the elongation at break is 21%, the linear density is 196.5dtex, three sections of S + Z + untwisted yarn surface appear alternately (as shown in figure 4), and the yarn has wool-like feeling; the dyed fabric shows a three-color segment color effect; because three strands of single yarns with different dyeing properties are selected, each section in the composite yarn can also show a different dyeing effect, and the yarn has unique integral style and changeable color; the elastic PTT fiber is wrapped in the elastic PTT fiber, so that the elastic PTT fiber has excellent elasticity, has a core-spun yarn effect, and also has the effects of flame retardance and bacteria resistance.

Production example 2

A production method of different-twist and different-dyeing composite yarn comprises the following steps: the first single yarn A is blue terylene POY, the breaking strength is 2.6cN/dtex, the elongation at break is 100 percent, the specification is 78dtex/48f, the second single yarn B is red terylene POY, the breaking strength is 2.48cN/dtex, the elongation at break is 98 percent, the specification is 53dtex/48f, and no third single yarn is arranged;

as shown in fig. 2, a first single yarn a and a second single yarn B are fed by a first feeding roller 1 and a second feeding roller 2 respectively, pass through a hot box 4, a cooling plate 5, a yarn guide device 6, a twister 7 and reach a converging yarn guide 8; when the yarn guide device 6 is in a merging state, the composite yarn is repeatedly twisted and untwisted, and the composite yarn has no twist; when the special yarn guiding device 6 is in a separated state, the first single yarn A and the second single yarn B are mutually wrapped under the action of untwisting moment after passing through the converging yarn guiding device 8, and when the twisting roller 7 moves towards the opposite direction, the composite yarn forms the opposite twisting direction;

in the production process, the speed is 200m/min, the speed ratio of the twisting roller to the feeding roller is 1.9, the temperature of the first hot box is 170 ℃, the temperature of the second hot box is 140 ℃, the speed ratio of the twisting roller to the rear roller is 1.06, and the winding overfeed rate is determined according to the package condition;

the properties of the obtained hetero-twisted and hetero-dyed composite yarn were as follows: the breaking strength is 2.00cN/dtex, the elongation at break is 29%, the linear density is 112.5dtex, three S + Z + untwisted sections on the surface of the yarn appear alternately (as shown in figure 4), and the style is unique; because two strands of single yarns with different colors are selected, the composite yarn has rich integral color and bright color.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (8)

1. The utility model provides a different twist different dyeing composite yarn apparatus for producing which characterized in that:

comprises a feeding roller, a hot box, a cooling plate, a yarn guide device, a twisting device, a converging yarn guide device, a second hot box, a rear roller and a winding device which are connected in sequence;

the feeding rollers comprise a first feeding roller, a second feeding roller or a third feeding roller, and at least comprise a first feeding roller and a second feeding roller;

the guide wire device is moved periodically;

the twisting device comprises two twisting rollers which rotate around the shaft and move back and forth along the axial direction.

2. The device for producing the hetero-twisted and hetero-dyed composite yarn according to claim 1, wherein:

the feeding roller consists of a first feeding roller and a second feeding roller.

3. The device for producing the hetero-twisted and hetero-dyed composite yarn according to claim 1, wherein:

the feeding roller consists of a first feeding roller, a second feeding roller and a third feeding roller.

4. The device for producing an hetero-twisted and hetero-dyed composite yarn according to any one of claims 1, 2 and 3, wherein:

the yarn guiding device comprises two yarn guiding rings, wherein a first yarn guiding ring is fixed, a second yarn guiding ring is connected with a transverse moving cylinder through a transverse moving shaft, the transverse moving cylinder is connected with a controller, and the controller controls the transverse moving cylinder to drive the transverse moving shaft to move periodically.

5. The device for producing an over-twisted and over-dyed composite yarn according to claim 4, wherein:

the transverse cylinder in the yarn guiding device drives the transverse moving shaft to move periodically, and the periodic movement of the transverse moving shaft drives the second yarn guiding ring to move periodically.

6. The device for producing an over-twisted and over-dyed composite yarn according to claim 4, wherein:

a transverse cylinder in the wire guiding device drives a transverse moving shaft to move rightwards, the transverse moving shaft drives a second wire guiding ring to move rightwards, and a first wire guiding ring and the second wire guiding ring are separated in the horizontal direction; when a transverse cylinder in the yarn guide device drives a transverse moving shaft to move leftwards, the transverse moving shaft drives a second yarn guide ring to move leftwards, and the first yarn guide ring and the second yarn guide ring are overlapped in the horizontal direction.

7. The device for producing an hetero-twisted and hetero-dyed composite yarn according to any one of claims 1, 2 and 3, wherein:

the two twisting rollers on the twisting device rotate oppositely around the shaft of the twisting roller and move back and forth along the axial direction of the twisting roller in opposite directions.

8. The different-twist and different-dyeing composite yarn is characterized in that:

produced by the differential twist differential dyeing composite yarn production apparatus according to any one of claims 1, 2 or 3, comprising a plurality of S-twist regions, transition regions, Z-twist regions and zero-twist regions alternately arranged in this order in the axial direction thereof.

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