CN211972536U

CN211972536U - Spinning mechanism for air-jet vortex spinning

Info

Publication number: CN211972536U
Application number: CN201922320025.0U
Authority: CN
Inventors: 徐晓林; 沈家康; 王国柱; 陶鑫; 厉红英; 姚华明; 赵蒙蒙
Original assignee: Suzhou Shixiang Biological Fiber Co ltd
Current assignee: Suzhou Shixiang Biological Fiber Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-11-20
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a spinning mechanism for air-jet vortex spinning, which comprises a mechanism body, a nozzle, a vortex tube, a hollow ingot and a yarn guide tube; the nozzle, the vortex tube, the hollow spindle and the yarn guide tube are sequentially arranged and installed on the mechanism body along the length direction of the mechanism body; the nozzle is provided with a fiber inlet hole and a fiber guide needle; the vortex tube is of a hollow tubular structure; the vortex chamber is arranged in the vortex tube; the hollow ingot extends into the vortex chamber from the tail end of the vortex chamber; a yarn forming hole along the axial direction is arranged in the hollow ingot; the tail end of the hollow ingot is connected with a yarn guide tube; an air flow groove is arranged on the side wall of the vortex chamber. The utility model discloses be provided with the air current groove on the inside wall of vortex tube, make the air current that circles round concentrate on the front end of hollow spindle, reduce the air current of marcing of hollow spindle front end simultaneously, reduce the fine rate that falls, improve fibrous spiral package and twine the effect, improved the utilization ratio of raw materials, the yarn compactness of production is good, and the evenness is even, and the package twines effectually, and yarn intensity is high.

Description

Spinning mechanism for air-jet vortex spinning

Technical Field

The utility model relates to an eddy current textile field, in particular to spinning mechanism that jet-propelled eddy current spun.

Background

Vortex spinning is developed on the basis of air jet spinning, long fibers are gathered to the center of yarns by utilizing the rotation of air, and short fibers are dispersed and coated on the outer layer. The unique production method can produce the core-spun yarn, can produce the yarn with a double structure by utilizing different fiber lengths, shrinkage degrees and the like, can spin colorful special yarn, and has the characteristics of less hairiness, high density, good refreshing property, good washing resistance, and good moisture retention and bulkiness.

The working principle of vortex spinning is that the airflow is accelerated by means of a nozzle to form a high-speed whirling airflow field in a vortex tube, and then the fed fibers are twisted. In the yarn forming process of vortex spinning, an airflow field in a vortex tube can be decomposed into circular airflow along the circumferential direction and advancing airflow along the axial direction, free-end fibers are easily drawn out of a yarn body under the action of the advancing airflow of high-pressure airflow in the yarn forming process to form fiber falling, so that the utilization rate of raw materials is greatly reduced, the production cost of yarn is increased, meanwhile, the fiber quantity unevenness of the cross section of a yarn forming unit is higher due to higher fiber falling rate in the yarn forming process, and finally, yarn products are shown to be more in detail, low in strength and poor in evenness of yarn evenness, and the popularization and application of the yarn products are severely restricted due to the defects. If the high-pressure airflow is reduced to reduce the fiber falling, the whirling airflow is reduced, so that the fiber wrapping effect is poor, and the yarn forming effect is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a spinning mechanism of jet-propelled vortex spinning through the structure that changes the vortex tube, sets up the air current groove on the vortex tube inner wall, and it is great to have solved current spinning mechanism and have fallen fine rate, makes the utilization ratio greatly reduced of raw materials, increases yarn manufacturing cost, and the while easily causes the uneven rate of fibre quantity of finished yarn unit cross-section higher, influences the problem of finished yarn quality.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a spinning mechanism for air-jet vortex spinning comprises a mechanism body, a nozzle, a vortex tube, a hollow spindle and a yarn guide tube; the nozzle, the vortex tube, the hollow spindle and the yarn guide tube are sequentially arranged and installed on the mechanism body along the length direction of the mechanism body; the nozzle is provided with a fiber inlet hole and a fiber guide needle; the vortex tube is of a hollow tubular structure; the vortex chamber is arranged in the vortex tube; the hollow ingot extends into the vortex chamber from the tail end of the vortex chamber; the hollow spindle is in a cone structure, and yarn forming holes along the axial direction are formed in the hollow spindle; the tail end of the hollow ingot is connected with the yarn guide tube; and an annular inward-recessed airflow groove is formed in the side wall of the vortex chamber at a position corresponding to the front end of the hollow ingot.

As a preferred scheme of the utility model, the air current groove is V-arrangement cross-section groove.

As a preferred scheme of the utility model, the air current groove is the arc cross section groove.

As a preferred scheme of the utility model, the width of air current groove is 5-22 mm.

As a preferred scheme of the utility model, the outer wall of the front end of the hollow ingot is a non-smooth friction surface.

As a preferred scheme of the utility model, a convex ring surrounding the hollow ingot is arranged on the outer wall of the hollow ingot; the axial distance between the convex ring and the front end of the hollow ingot is 15-25 mm; the height of the surface of the hollow ingot protruded by the convex ring is 0.8-1.2 mm.

As a preferred scheme of the utility model, an annular air inlet channel surrounding the vortex tube is formed between the vortex tube and the mechanism body; an air inlet communicated with the annular air inlet channel is formed in the mechanism body; the vortex tube is provided with a spray hole which is communicated with the vortex chamber and faces the front end of the hollow ingot in a spiral manner; the number of the jet holes is multiple, and the jet holes are communicated with the annular air inlet channel.

As a preferred scheme of the utility model, an annular air outlet pipeline is arranged at the outer side of the tail end of the hollow ingot; an annular air outlet gap is formed between the tail end of the vortex tube and the hollow ingot; the annular air outlet gap is connected with the annular air outlet pipeline; an air extraction opening is formed in the mechanism body; the air pumping port is communicated with the annular air outlet gap.

As a preferred scheme of the utility model, the fiber inlet hole and the air inlet are positioned on the same side of the mechanism body; and no spray hole is arranged at the position corresponding to the air inlet.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model has the advantages of simple and reasonable structure, be provided with the air current groove on the inside wall of vortex tube, make the air current that circles round concentrate on the front end of hollow spindle, reduce the air current of marcing of hollow spindle front end simultaneously, reduce the fine rate that falls, improve fibrous spiral package and twine the effect, improved the utilization ratio of raw materials, the yarn compactness of production is good, and the evenness is even, and the package twines effectually, and yarn intensity is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the vortex tube intake of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. mechanism body 2, nozzle 3, vortex tube

4. Annular air inlet channel 5, hollow ingot 6 and annular air outlet pipeline

7. Airflow groove 8, convex ring 9, yarn guide tube

10. Air inlet 11, spray holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Examples

With reference to fig. 1 and 2, the utility model discloses a spinning mechanism for air-jet vortex spinning, which comprises a mechanism body 1, a nozzle 2, a vortex tube 3, a hollow spindle 5 and a yarn guide tube 9. The nozzle 2, the vortex tube 3, the hollow ingot 5 and the yarn guide tube 9 are sequentially arranged and installed on the mechanism body 1 along the length direction of the mechanism body 1. The nozzle 2 is provided with a fiber inlet hole and a fiber guide needle. The vortex tube 3 is a hollow tubular structure. Inside the vortex tube 3 is a vortex chamber. A hollow ingot 5 extends into the vortex chamber from the rear end of the vortex chamber. The hollow spindle 5 is in a cone structure, and yarn forming holes along the axial direction are formed in the hollow spindle 5. The tail end of the hollow spindle 5 is connected with a yarn guide tube 9. An annular inward-concave airflow groove 7 is arranged on the side wall of the vortex chamber at the position corresponding to the front end of the hollow ingot 5. The air flow groove 7 may be a V-section groove or an arc-section groove, preferably a V-section groove. The width of the air flow groove 7 is 5-22 mm. The retention effect of the vortex airflow at the corresponding position of the airflow groove 7 is realized through the airflow groove 7, the strength of the vortex airflow is ensured, the strength of the advancing airflow is weakened, and the yarn forming effect is improved.

In order to make the fibre have good package and twine the effect, fibrous front end is the stiff end, stretches into in the yarn hole, fibrous intermediate part lodging subsides cover on hollow spindle 5's outer wall to with hollow spindle 5 outer wall within a definite time have certain frictional force, make fibrous tail end free end circumference rotation on the vortex air current simultaneously, consequently the utility model discloses a hollow spindle 5 is preferred to adopt following structure: the outer wall of the front end of the hollow ingot 5 is a non-smooth friction surface. A convex ring 8 surrounding the hollow ingot 5 is arranged on the outer wall of the hollow ingot 5; the axial distance between the convex ring 8 and the front end of the hollow ingot 5 is 15-25 mm; the height of the convex ring 8 protruding the surface of the hollow ingot 5 is 0.8-1.2 mm.

The utility model discloses a vortex air current can keep good air stability under highly compressed intensity in the swirl chamber, and is concrete, and vortex tube 3 admits air and adopts following structure: an annular air inlet channel 4 surrounding the vortex tube 3 is formed between the vortex tube 3 and the mechanism body 1; an air inlet 10 communicated with the annular air inlet channel 4 is arranged on the mechanism body 1; the vortex tube 3 is provided with a spray hole 11 which is communicated with the vortex chamber and faces the front end of the hollow ingot 5 in a spiral way; the plurality of nozzle holes 11 communicate with the annular intake passage 4. Preferably, the fiber inlet hole and the air inlet 10 are positioned on the same side of the mechanism body 1; the nozzle hole 11 is not provided at a position corresponding to the intake port 10. Meanwhile, the air outlet of the vortex tube 3 can adopt a similar structure, and an annular air outlet pipeline 6 is arranged on the outer side of the tail end of the hollow ingot 5; an annular air outlet gap is formed between the tail end of the vortex tube 3 and the hollow ingot 5; the annular air outlet gap is connected with an annular air outlet pipeline 6; an air extraction opening is arranged on the mechanism body 1; the air exhaust port is communicated with the annular air outlet gap.

Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model has the advantages of simple and reasonable structure, be provided with the air current groove on the inside wall of vortex tube, make the air current that circles round concentrate on the front end of hollow spindle, reduce the air current of marcing of hollow spindle front end simultaneously, reduce the fine rate that falls, improve fibrous spiral package and twine the effect, improved the utilization ratio of raw materials, the yarn compactness of production is good, and the evenness is even, and the package twines effectually, and yarn intensity is high.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spinning mechanism for air-jet vortex spinning is characterized by comprising a mechanism body, a nozzle, a vortex tube, a hollow ingot and a yarn guide tube; the nozzle, the vortex tube, the hollow spindle and the yarn guide tube are sequentially arranged and installed on the mechanism body along the length direction of the mechanism body; the nozzle is provided with a fiber inlet hole and a fiber guide needle; the vortex tube is of a hollow tubular structure; the vortex chamber is arranged in the vortex tube; the hollow ingot extends into the vortex chamber from the tail end of the vortex chamber; the hollow spindle is in a cone structure, and yarn forming holes along the axial direction are formed in the hollow spindle; the tail end of the hollow ingot is connected with the yarn guide tube; and an annular inward-recessed airflow groove is formed in the side wall of the vortex chamber at a position corresponding to the front end of the hollow ingot.

2. The air-jet vortex spinning mechanism according to claim 1, wherein the air flow groove is a V-shaped cross-section groove.

3. The air-jet vortex spinning mechanism according to claim 2, wherein the air flow groove is an arc-shaped cross-section groove.

4. The air-jet vortex spinning mechanism according to claim 2, wherein the width of the air flow groove is 5-22 mm.

5. The spinning mechanism of air-jet vortex spinning according to claim 2, wherein the outer wall of the front end of the hollow spindle is a non-smooth friction surface.

6. The air-jet vortex spinning mechanism according to claim 5, wherein a convex ring surrounding the hollow spindle is provided on an outer wall of the hollow spindle; the axial distance between the convex ring and the front end of the hollow ingot is 15-25 mm; the height of the surface of the hollow ingot protruded by the convex ring is 0.8-1.2 mm.

7. The air-jet vortex spinning mechanism according to claim 6, characterized in that an annular air inlet channel surrounding the vortex tube is formed between the vortex tube and the mechanism body; an air inlet communicated with the annular air inlet channel is formed in the mechanism body; the vortex tube is provided with a spray hole which is communicated with the vortex chamber and faces the front end of the hollow ingot in a spiral manner; the number of the jet holes is multiple, and the jet holes are communicated with the annular air inlet channel.

8. The spinning mechanism of air-jet vortex spinning according to claim 7, characterized in that an annular air outlet duct is provided outside the hollow spindle tail end; an annular air outlet gap is formed between the tail end of the vortex tube and the hollow ingot; the annular air outlet gap is connected with the annular air outlet pipeline; an air extraction opening is formed in the mechanism body; the air pumping port is communicated with the annular air outlet gap.

9. The air-jet vortex spinning mechanism according to claim 7, wherein the fiber inlet hole and the air inlet are located on the same side of the mechanism body; and no spray hole is arranged at the position corresponding to the air inlet.