CN112723018A

CN112723018A - Self-cleaning yarn leading device

Info

Publication number: CN112723018A
Application number: CN202110049968.3A
Authority: CN
Inventors: 车社海; 贾坤; 国世光
Original assignee: Qingdao Hongda Textile Machinery Co Ltd
Current assignee: Qingdao Hongda Textile Machinery Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-04-30

Abstract

The invention discloses a self-cleaning yarn feeding device, comprising an inverted funnel-shaped yarn feeding cavity, a yarn feeding tube connected with the constricted end of the yarn feeding cavity, and the yarn feeding cavity wall is provided with a thread passing through the yarn feeding cavity Auxiliary air path of the wall, the auxiliary air path is inclined upward and towards the inlet of the yarn delivery tube. The auxiliary air path is set up to blow air towards the inlet of the yarn delivery tube through the auxiliary air path, and the auxiliary main air flow blows the yarn into the yarn delivery tube, which effectively improves the success rate and efficiency of yarn delivery; It is closer to the entrance of the yarn delivery tube and has a smaller diameter, and the auxiliary air flow rate is high, which can effectively blow out the yarn group blocked in the yarn delivery channel, and solve the problem of the yarn group blocking the yarn delivery channel; the structure is simple, the manufacturing cost is low, Suitable for promotion and application.

Description

Self-cleaning yarn leading device

Technical Field

The invention relates to the technical field of textile machinery, in particular to a yarn guiding device.

Background

In the full-automatic yarn winding machine, the yarn guiding unit adopts a pipeline design, and yarns pass through the yarn guiding unit under the driving of air flow. The yarn guide channel is narrow, and the problem that a yarn group blocks the yarn guide channel often occurs in the yarn guide process; and, because the yarn-drawing air outlet is far away from the yarn-drawing tube inlet, the air flow is unstable, and the yarn-drawing fails, thereby causing the winding unit to continuously discharge full cop, and influencing the production efficiency of the winding machine.

Disclosure of Invention

In order to solve the problems, the invention provides a self-cleaning yarn guiding device, which is characterized in that an auxiliary air path is arranged to assist main yarn guiding air flow to guide yarns into a yarn guiding pipe, so that the success rate of yarn guiding is effectively improved; the yarn ball blocked in the yarn guide channel can be blown out, and the problem that the yarn ball blocks the yarn guide channel is solved.

The technical scheme adopted by the invention is as follows:

the utility model provides a self-cleaning draws yarn device, including the draw yarn chamber of inverted funnel shape, with draw the yarn tube that the throat end in yarn chamber is connected, be equipped with the supplementary gas circuit that runs through the draw yarn chamber wall on the draw yarn chamber wall, supplementary gas circuit slope upwards just enters the mouth towards the yarn tube.

The yarn guide channel is formed by the yarn guide tube and a cavity in the yarn guide cavity, an auxiliary air path facing to the yarn guide tube inlet is arranged on the wall of the yarn guide cavity, the yarn guide cavity is blown by the auxiliary air path, the auxiliary air path is closer to the yarn guide tube inlet, the flow rate and the direction concentration of blown auxiliary air flow are better, and the air flow is blown towards the yarn guide tube inlet, so that the main air flow can be effectively assisted to blow the yarn into the yarn guide tube, and the success rate and the yarn guide efficiency of yarn guide are improved; the auxiliary airflow has higher flow velocity, and can blow out the yarn cluster blocked in the yarn guide channel, thereby solving the problem that the yarn cluster blocks the yarn guide channel.

Preferably, the yarn withdrawing cavity comprises a straight cylinder part and a reducing part for connecting the straight cylinder part and the yarn withdrawing pipe; the straight cylinder part is a square cylinder, the cross section of the inner wall of the straight cylinder part is a chamfered square, and the auxiliary air path is positioned on the side wall of the straight cylinder part. The straight cylinder part is a square cylinder, so that the balloon is effectively broken, the shape of the balloon is controlled, and the yarn guiding efficiency is improved; meanwhile, the balloon formed during yarn unwinding rises spirally, the contact friction between the yarn and the inner wall of the straight cylinder part is reduced by the square inner wall, the damage of the inner wall of the straight cylinder part to the yarn is effectively reduced, the generation of yarn hairiness is reduced, and the yarn quality is improved.

Preferably, the auxiliary air passage is located on one of the edges of the straight cylinder part. The yarn forms spiral rising's balloon, can not contact the position of straight section of thick bamboo portion inner wall edges and corners, consequently will assist the gas circuit to locate here, has avoided the gas outlet and the yarn contact of supplementary gas circuit, prevents that the edges and corners of supplementary gas circuit gas outlet department or the burr that leads to because of processing from producing the damage to the yarn, has further guaranteed the quality of yarn.

Preferably, the included angle between the central line of the auxiliary air path and the central line of the yarn guide cavity is 21-25 degrees. The inclination angle of the auxiliary air circuit enables the auxiliary air circuit to face the inlet of the yarn guiding tube, so that the auxiliary air flow blown out by the auxiliary air circuit is ensured to reach the yarn guiding tube, the yarn is blown into the yarn guiding tube, and the yarn guiding efficiency is improved.

Preferably, the auxiliary air passage is a circular through hole, and the circular diameter of the circular through hole is 1.5-2.0 mm. The minor diameter design of supplementary gas circuit has guaranteed the velocity of flow and the concentration degree of flow direction of supplementary air current, draws yarn main air current in coordination to pass the yarn end successfully and draw yarn ware pipeline to when yarn group jam is in drawing yarn passageway, through the high velocity of flow of supplementary air current, blow off the yarn group, ensure to draw yarn passageway unblocked.

Preferably, the inner wall of the straight cylinder part is provided with a strip-shaped bulge along the axial direction, the upper end of the strip-shaped bulge extends to the diameter reducing part, and the cross section of the strip-shaped bulge is arc-shaped. The strip-shaped bulges effectively break the air ring and control the shape of the air ring; the cross section is set to be arc-shaped, so that damage to the yarn is reduced.

Preferably, the outer wall of the yarn guide cavity is provided with an air inlet, and the air inlet is connected with an auxiliary air path. The auxiliary air passage is connected with an external air passage through an air inlet so as to blow air into the yarn guide passage.

Compared with the prior art, the self-cleaning yarn guiding device provided by the invention,

1. an auxiliary air path is arranged, air is blown towards the inlet of the yarn guiding tube through the auxiliary air path, and the main air flow is assisted to blow the yarns into the yarn guiding tube, so that the success rate and the yarn guiding efficiency of yarn guiding are effectively improved;

2. the auxiliary gas circuit is closer to the yarn-drawing tube inlet than the main yarn-drawing air flow and has smaller diameter, the flow speed of the auxiliary air flow is higher, the yarn cluster blocked in the yarn-drawing channel can be effectively blown out, and the problem that the yarn cluster blocks the yarn-drawing channel is solved;

3. the straight cylinder part is a square cylinder, the auxiliary gas circuit is arranged on one edge of the straight cylinder part, so that the gas outlet of the auxiliary gas circuit is prevented from being contacted with the yarn, the damage of the edge angle at the gas outlet of the auxiliary gas circuit or the damage of burrs caused by processing to the yarn is prevented, and the quality of the yarn is ensured;

4. the inner wall of the straight cylinder part is provided with a strip-shaped bulge along the axial direction, so that the air ring is effectively broken and the shape of the air ring is controlled; the cross section is arranged to be arc-shaped, so that the damage to the yarn is reduced;

5. simple structure, low manufacturing cost and suitability for popularization and application.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a bottom view of the present invention;

FIG. 4 is a schematic view showing the operation of the yarn take-up device of the present invention in yarn take-up;

fig. 5 is a schematic view of the working state of the yarn guide device of the present invention when blowing out a yarn package.

Reference numerals: 1. a yarn leading cavity; 11. a straight tube portion; 12. a diameter reducing portion; 13. a strip-shaped bulge; 2. drawing a bobbin; 3. an auxiliary gas circuit; 4. an air inlet; 5. a yarn; 6. and (5) yarn ball.

Detailed Description

The following detailed description of the invention refers to specific embodiments thereof for better understanding by those skilled in the art.

A self-cleaning yarn guiding device is shown in figures 1-3 and comprises a yarn guiding cavity 1 in an inverted funnel shape and a yarn guiding tube 2 connected with a necking end of the yarn guiding cavity 1, wherein an auxiliary gas path 3 penetrating through the wall of the yarn guiding cavity is arranged on the wall of the yarn guiding cavity 1, and the auxiliary gas path 3 inclines upwards and faces to an inlet of the yarn guiding tube 2; the included angle between the central line of the auxiliary gas path 3 and the central line of the yarn guide cavity is alpha, the value of alpha is 21-25 degrees, and the value of alpha is 23 degrees in some specific embodiments; the auxiliary gas circuit 3 is a circular through hole, and the circular diameter of the circular through hole is 1.5-2.0 mm.

The yarn guide cavity comprises a straight cylinder part 11 and a reducing part 12 for connecting the straight cylinder part 11 and the yarn guide tube 2; the straight cylinder part 11 is a square cylinder, the cross section of the inner wall of the straight cylinder part is a chamfered square, the auxiliary air path 3 is located on the side wall of the straight cylinder part 11, and in some specific embodiments, the auxiliary air path 3 is located on one of the edges of the straight cylinder part 11.

The inner wall of the straight cylinder part 11 is provided with a strip-shaped bulge 13 along the axial direction, the upper end of the strip-shaped bulge 13 extends to the reducing part 12, and the cross section of the strip-shaped bulge 13 is arc-shaped.

The outer wall of the yarn guide cavity 1 is provided with an air inlet 4, and the air inlet 4 is connected with an auxiliary air path 3.

In a working state, as shown in fig. 4, the main yarn guiding air flow blows out from the lower part, the yarn is blown into the yarn guiding cavity 1, and the auxiliary air flow blown out from the auxiliary air path 3 cooperates with the main yarn guiding air flow to enable the yarn end to successfully pass through the yarn guiding tube 2; in the yarn drawing process, the auxiliary air flow blown out by the auxiliary air path 3 blows the yarn 5 to the inlet of the yarn drawing tube 2, so that the yarn drawing efficiency is improved; as shown in fig. 5, when the yarn cluster blockage occurs in the yarn guide cavity 1 or the yarn guide tube 2, the auxiliary airflow blows out the yarn cluster 6 to clean the yarn guide channel and ensure the smoothness of the yarn guide channel.

The self-cleaning yarn guiding device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to aid in understanding the methods and concepts of the invention, and the directional terms used are, for example: upper, lower, left, right, front, rear, etc. are directions with reference to the drawings only, and directional terms used are intended to illustrate and not to limit the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The self-cleaning yarn guiding device is characterized by comprising an inverted funnel-shaped yarn guiding cavity and a yarn guiding tube connected with the necking end of the yarn guiding cavity, wherein an auxiliary air path penetrating through the wall of the yarn guiding cavity is arranged on the wall of the yarn guiding cavity, and the auxiliary air path inclines upwards and faces the inlet of the yarn guiding tube.

2. A self-cleaning yarn withdrawal device as claimed in claim 1, wherein the yarn withdrawal chamber comprises a straight barrel portion, a reduced diameter portion connecting the straight barrel portion and the yarn withdrawal tube; the straight cylinder part is a square cylinder, the cross section of the inner wall of the straight cylinder part is a chamfered square, and the auxiliary air path is positioned on the side wall of the straight cylinder part.

3. A self-cleaning thread take-up device as claimed in claim 2, wherein said auxiliary air passage is provided on one of the edges of said straight body portion.

4. A self-cleaning yarn-guiding device as claimed in claim 1, wherein the angle between the central line of the auxiliary air path and the central line of the yarn-guiding chamber is 21-25 °.

5. The self-cleaning yarn guiding device as claimed in claim 1, wherein the auxiliary air passage is a circular through hole having a circular diameter of 1.5-2.0 mm.

6. The self-cleaning yarn guiding device as claimed in claim 2, wherein a strip-shaped protrusion is axially arranged on the inner wall of the straight cylinder part, the upper end of the strip-shaped protrusion extends to the reduced diameter part, and the cross section of the strip-shaped protrusion is arc-shaped.

7. The self-cleaning yarn guiding device as claimed in claim 1, wherein an air inlet is arranged on the outer wall of the yarn guiding cavity, and the air inlet is connected with an auxiliary air path.