CN102534911A - Single-yarn yarn-broken fancy yarn, forming method for same and forming device for same - Google Patents

Abstract

A composite fancy yarn with single broken filaments and its spinning device and yarn forming method, the roving is drawn through the rear roller, middle roller and front roller in the drafting area of the spinning frame in sequence to form a spun yarn, and at the same time it is drawn in the spinning frame In the stretching area, increase the decorative thread guiding feeding mechanism, introduce different components and different colors of decorative thread, and cut the decorative thread intermittently by the cutting mechanism, so that the decorative thread is in the shape of a segment and the fiber strands are drawn under the drafting of the front roller. The twisting zone is twisted together with the fiber to form a composite fancy yarn with single broken filaments. The present invention adopts a one-step process to produce a composite fancy yarn with broken filaments of single yarn. After the rollers or front rollers in the drafting area of the spinning frame, the decorative filaments are intermittently introduced and spun synchronously with conventional spun yarn processing and forming. The production process is simple, the efficiency is high, the product has a special effect of different color fiber mosaic, and the variety has a wide range of applications.

Description

Single yarn structure broken filament fancy yarn and its yarn forming method and device

technical field

The invention belongs to the field of spinning and forming processing, and relates to a method for processing composite fancy yarns with broken single yarns, in particular, the processing procedure is dissolved into the spun yarn process to realize spinning broken fancy yarns in a one-step process.

Background technique

The market needs new varieties to continuously stimulate consumption. The changes in textile fabrics are extremely limited, and it is difficult for traditional yarns to achieve this goal. However, the variety of fancy yarns makes textile products easier to introduce new ones, and it is easy to produce products that others do not have. Differentiated textile products. At present, a certain proportion of colored fibers is mixed into the fibers of the base yarn, so that the yarn presents colored segments of different lengths and sizes, and the colored yarns of colored spots are like colored point yarns, segmented colored yarns, etc., which are produced by the broken filament process. broken yarn

The processing method of colored dot yarn is to knead colored fibers (fine wool or cotton) into knots for embellishment, and then mix them into the raw materials of base yarn in a certain proportion. 10 public branch). Among them, carded woolen wool is used more.

The processing method of segment colored yarn is generally to use the roller drafting mechanism to feed two kinds of short fiber roving strips with different components or different colors in the drafting mechanism of the spinning frame intermittently to produce segment color effect.

Broken silk fancy thread is a kind of fancy thread created by our country. It uses the characteristics of low wet strength of viscose fiber to break it into a small section by using the breaking process. There are irregular ends of unequal length. It is made by sandwiching short hairy fiber tows between two core wires and consolidating them with reinforcing wires. Traditional broken fancy yarn is mainly produced by ring spindle fancy twisting machine or hollow spindle fancy spinning twisting machine. The broken filament fancy thread formed is composed of core yarn, decorative yarn and fixed yarn. The broken filament fancy thread produced by such traditional technology has a thicker yarn count, which is not suitable for producing thinner fabrics, which restricts its wide application in the development of new textile products. At the same time, due to the many production processes and complicated technology of broken filament yarn, there are very few manufacturers in China to produce it at present.

Contents of the invention

One object of the present invention is to provide a composite fancy yarn with broken single yarn, which is made of two kinds of fibers with different components and different colors. The second group of fibers is made of filaments, which are cut during feeding, and distributed on the first group of fibers at different lengths, intervals, and discontinuities, and twisted in the same direction with the first group of fibers to form a visual effect of mosaic of different-colored fibers.

Another object of the present invention is to propose a composite fancy yarn device with broken single yarn, which includes a set of decorative silk guiding and feeding mechanism, decorative silk cutting mechanism, transmission mechanism, and control mechanism; wherein the decorative silk guiding mechanism includes decorative silk Roller, wire nozzle guide pipe, wire guide tube, wire nozzle seat, air volume regulating valve, air pipe wire cutting mechanism including micro electromagnet, shearing knife, transmission mechanism includes a set of transmission sprocket, chain, electromagnetic clutch, The control device includes a program controller and its transmission circuit. The transmission output sprocket is installed on the middle roller or the front roller shaft of the decorative silk feeding place. The transmission output sprocket passes through a set of transmission wheel train and electromagnetic clutch, and drives the decorative silk roller. The control device is programmed by the program controller and passed through the transmission circuit. Control the intermittent clutch of the electromagnetic clutch, control the intermittent rotation of the decorative silk roller, and the decorative silk cutting mechanism is controlled by the program controller.

Yet another object of the present invention is to provide a method for processing single-filament broken composite fancy yarns into yarns, in which the rovings are sequentially passed through the rear rollers, middle rollers and front rollers in the drafting zone of the spinning frame to form spun yarns, and at the same time, the trimmings are drawn from The tubular ornamental thread is guided into the inlet of the feeding mechanism, and the compressed air is fed into the ornamental thread guiding feeding mechanism. Under the action of the compressed air, the ornamental thread is fed from the outlet of the ornamental thread guiding feeding mechanism to the middle roller or the front roller. At the end, the cutting mechanism located at the outlet end of the decorative yarn guiding feeding mechanism cuts the decorative yarn intermittently, so that the broken decorative yarn and the spun yarn are twisted together with the spun yarn in the twisting zone under the drafting of the front roller to form a monofilament structure. Silk fancy yarn.

The single yarn broken composite fancy yarn of the present invention is spun from two groups of fibers with different components, colors and shapes. In the longitudinal direction of the length of the yarn, one group of short fiber slivers constitute the main body of the yarn, and the other The group uses different-colored filaments as decorative filaments, which are segmented and intermittently compounded on the main body of single yarn composed of short-fiber slivers. On the main body of the yarn stem with single yarn structure, different lengths, different intervals, and discontinuous composites of different-colored yarn segments, decorative yarn segments and fiber strands are integrated with the same twist and the same twist direction.

The compound fancy yarn spinning device with broken single yarn of the present invention adds a decorative yarn intermittent feeding mechanism to the ordinary three-roller spinning frame, and the decorative yarn intermittent feeding mechanism includes a decorative yarn guiding feeding mechanism and a cutting mechanism. The silk guide feeding mechanism is arranged behind the middle roller or the front roller of the common three-roller spinning frame. The mechanism is composed of a decorative silk roller, a decorative silk nozzle conduit, a decorative silk guide pipe, a decorative silk nozzle seat, an air volume regulating valve and an air pipe.

The shearing mechanism is a cutter. In order to facilitate automatic control, the shearing mechanism is a miniature electromagnet and a cutter connected to the miniature electromagnet. The miniature electromagnet is installed on the cradle arm, and the shearing knife is fixed on it, and the shearing knife is aligned with the space between the decorative wire nozzle guide pipe and the decorative wire guide tube. The miniature electromagnet is controlled by the program controller. When the silk roller stops rotating, rely on the drawing tension of the silk to cut off the silk.

The trim nozzle seat kit is installed on the cradle arm, the trim nozzle guide tube and the trim guide pipe are coaxially installed on the nozzle seat kit, the outlet of the trim guide tube faces the rear end of the middle roller or the front roller, and the trim The rear end of the nozzle guide is connected with an air volume regulating valve and a compressed air inlet pipe. There is a decoration thread inlet on the decoration nozzle guide. The transmission output sprocket on the roller shaft is connected, and the electromagnetic clutch is controlled by the program controller. The spinning device of the present invention also includes a control device and a set of transmission mechanism. The control device includes a program controller and its transmission circuit. The transmission mechanism includes a set of transmission wheel train components. The program controller controls the action of the electromagnetic clutch through the transmission circuit. When the electromagnetic clutch is engaged, the middle roller or the front roller shaft drives the decorative silk roller to rotate through the transmission wheel train. When the electromagnetic clutch is separated, the decorative silk Roller stopped turning.

A single-yarn composite broken-filament fancy yarn processing method, the roving is sequentially passed through the rear roller, middle roller and front roller in the drafting area of the spinning frame to form a spun yarn, and the program controller is used to control the rotation of the ornamental roller at the same time, irregular , Lead out the decorative yarn intermittently, in the drafting area of the spinning frame, use the decorative yarn to guide the feeding mechanism, feed the decorative yarn into the middle (or front) roller nip, and use the cutting mechanism to intermittently cut off the decorative yarn. The cut end of the trimmed wire is held by the trimmed wire nozzle conduit fed with compressed air, and relies on the air flow of the compressed air and the diversion of the trimmed wire nozzle conduit and the trimmed wire guide tube to guide the trimmed wire out of the trimmed roller Feed the middle (or front) roller nip one by one. Under the drafting of the front roller, the trimmed trim pieces and fiber strands are twisted together with the fiber strands in the twisting zone to form single-filament broken composite fancy yarn.

The beneficial effect that technical solution of the present invention realizes:

The invention discloses a single-yarn broken-filament composite fancy yarn processing method, which adopts a one-step process to produce a single-yarn broken-filament composite fancy yarn. The feeding decorative yarn is made by feeding the decorative yarn segment irregularly and intermittently, and spinning synchronously with the spun yarn processing. Form a special style effect; the production process is simple, the production efficiency is high, the yarn count is fine, and the variety has wide applicability.

The device for processing and spinning composite fancy yarns with broken single yarns of the present invention is to add a decorative yarn intermittent feeding device to the ordinary three-roller spinning frame, and the decorative yarn intermittent feeding device includes a decorative yarn guiding feeding mechanism and a cutting mechanism , the decorative yarn guiding and feeding mechanism is set on a common three-roller spinning frame. Use program control to feed and cut decorative yarns irregularly and intermittently, and the fed decorative yarn segments are drawn into the spinning sliver. Under the drafting of the front roller, they are twisted together with the fibers in the twisting zone. Form monofilament broken composite fancy yarn. On the spinning device of the present invention, the spinning method of the present invention is applied, so that the whole broken yarn processing process is combined with the spinning process in one step, the length of broken yarn and the spacing distance are controlled, the yarn structure is similar to single yarn, and the yarn count is fine , The product has a wide range of applications.

Description of drawings

Fig. 1 is the schematic diagram of an embodiment of the device for processing single-filament broken composite fancy yarn into yarn of the present invention;

Fig. 2 is a schematic diagram of another embodiment of the device for processing single-filament broken composite fancy yarn into yarn of the present invention.

Detailed ways

The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings.

Example

As shown in Fig. 1, the device for processing single yarn broken composite fancy yarn into yarn of the present invention, the roving L1 passes through the back roller 1, the middle roller 2 and the front roller 3 in the drafting zone of the spinning machine in turn to form a spun yarn L2, and simultaneously The ornamental thread L3 is fed from the inlet 41 of the tubular ornamental thread guide feeding mechanism 4 between the roller 2 and the rear roller 1 in the drafting area of the spinning frame, and the compressed air is fed into the ornamental thread guide feeding mechanism 4 (arrow in the figure is the direction of air flow), under the action of compressed air, the decorative thread L3 is fed to the rear end of the middle roller 2 from the outlet 42 of the decorative thread guiding feeding mechanism 4, and the shearing mechanism 5 located at the outlet 42 of the decorative thread guiding feeding mechanism is intermittently Cut the decorative yarn so that the decorative yarn segment and the fiber strand are twisted together with the spun yarn in the twisting zone under the drafting of the front roller 1 to form a monofilament broken composite fancy yarn L4.

As shown in Figure 2, the device for processing single yarn broken composite fancy yarn into yarn of the present invention, the roving L1 passes through the back roller 1, the middle roller 2 and the front roller 3 in the drafting area of the spinning frame in turn to form a spun yarn L2, and simultaneously The ornamental thread L3 is fed from the rear end of the front roller 1 in the drafting area of the spinning frame, using the inlet 41 of the tubular ornamental thread guide feeding mechanism 4, and compressed air is passed into the ornamental thread guide feeding mechanism 4 (the arrow in the figure indicates the air flow Direction), under the action of compressed air, the decorative thread L3 is fed to the rear end of the front roller 3 by the outlet 42 of the decorative thread guiding feeding mechanism 4, and the cutting mechanism 5 located at the outlet 42 of the decorative thread guiding and feeding mechanism intermittently cuts the ornament Silk, so that the decorative silk segments and fiber strands are twisted together with the spun yarn in the twisting zone under the drafting of the front roller 1 to form a monofilament broken composite fancy yarn L4.

Claims (8)

1. compound Fancy Yarns of single thread fracture of wire; Formed by two groups of different components, color, form fiber collection spinning, on the length longitudinal direction of resultant yarn, one group of staple fibre sliver constitutes the main body of yarn; Another group is made the decorations silk with heterochromatic long filament; Be on the single thread main body that is compounded in staple fibre sliver formation of silk section shape, discontinuity, it is characterized in that: do on the main body unequal length at the yarn of single thread structure; Unequal interval, the compound heterochromatic silk section of discontinuity, decorations silk silk section is with the same twist of fiber strip, with twisting with the fingers to integrator.

2. the compound fancy yarn of single thread fracture of wire device; It is characterized in that: at the draw zone of common three roller fine spining machines; Increase a decorations silk and be interrupted feed mechanism; Described decorations silk be interrupted feed mechanism by a decorations silk guiding feed mechanism, cut off mechanism's two parts and constitute, described decorations silk guiding feed mechanism is made up of a decorations silk roller, a decorations silk nozzle duct, a decorations silk guide wire, a decorations nozzle carrier, air volume regulating valve, tracheae; The described mechanism of cutting off comprises minitype electromagnet, shear knife, and the compound fancy yarn of described single thread fracture of wire device also comprises transmission mechanism and controlling organization.

3. the compound fancy yarn of single thread fracture of wire according to claim 2 device; It is characterized in that: described decorations silk nozzle duct is a tubular conduit; One end is communicated with compressed air hose through air volume regulating valve; Compressed air require in the conduit can have the decorations silk to penetrate mouth through air volume regulating valve control on the conduit.

4. the compound fancy yarn of single thread fracture of wire according to claim 2 device; It is characterized in that; Described decorations silk roller, its rotation is by decorations silk feeding middle roller or front roller axle, through one group of train and electromagnetic clutch transmission; Cyclelog is through the intermittent clutch of electromagnetic clutch in the control train, and control decorations silk roller is made batch (-type) and rotated.

5. the compound fancy yarn of single thread fracture of wire according to claim 2 device; It is characterized in that: the described mechanism of cutting off comprises minitype electromagnet and the cutting knife that is connected in said minitype electromagnet; Its action is controlled by cyclelog; When the stall of decorations silk roller, rely on decorations silk drawing tension and cut off the decorations silk.

6. the compound Fancy Yarns of single thread fracture of wire is processed resultant yarn method; It is characterized in that rove is formed spun yarn through rear roller, middle roller and the front roller of fine spining machine draw zone successively; Simultaneously after fine spining machine draw zone middle roller or rear roller; A decorations silks guiding feed mechanism will adorn a silk described middle roller of feeding or a described front roller nip, saidly cut off that mechanism is intermittent to shear disconnected decorations silk, make decorations silk silk section and staple fibre yarn under the drawing-off of front roller; Twist with fiber strip at twisting area, form the compound Fancy Yarns of monofilament fracture of wire.

7. the compound Fancy Yarns processing of single thread fracture of wire according to claim 6 resultant yarn method; It is characterized in that: be sheared disconnected decorations silk head end; Be to grip by feeding compressed-air actuated decorations silk nozzle duct; And relying on compressed-air actuated air-flow and the water conservancy diversion of adoring silk nozzle duct, decorations silk guide wire, the decorations silk that a decorations roller is drawn feeds described middle roller or described front roller nip again and again.

8. according to right 6 or the compound Fancy Yarns processing of 7 described single thread fracture of wires resultant yarn method, it is characterized in that: described decorations silk is rotated by decorations silk roller and draws, and it is controlled by cyclelog that decorations silk roller rotates, and makes batch (-type) and rotates, and the feeding of decorations silk is a discontinuity.

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