CN220012929U - Spinning drafting system - Google Patents

Abstract

The utility model belongs to the technical field of textile equipment, and particularly relates to a spinning drafting system, which is arranged below a feed inlet of a working unit, wherein the drafting system comprises a fixing frame and a drafting tube, the drafting tube is suspended between the feed inlet of the working unit and a port of a storage barrel by means of the fixing frame, the input end of the drafting tube faces towards the storage barrel in a horn shape, the output end of the drafting tube faces towards the feed inlet of the working unit in a bending shape, an air inlet is further arranged on the drafting tube, the air outlet end of the air inlet is connected with the drafting tube, and the air outlet end of the air inlet has an upward inclined angle. According to the cotton sliver feeding device, the drafting tube with the air inlet is arranged, so that cotton sliver stably enters the feeding hole of the working unit along the drafting tube, shaking generated in the moving process of the cotton sliver is reduced, the cotton sliver stably enters the working unit, the thickness of the generated cotton sliver is uniform, and the quality of the cotton sliver is improved.

Description

Spinning drafting system

Technical Field

The utility model belongs to the technical field of textile equipment, and particularly relates to a spinning drafting system.

Background

Along with the increase of market demand and the development of mechanical automation equipment, most of the current spinning machines are mechanical automation spinning machines, and the mechanical automation spinning machines generally comprise a plurality of parallel working units for working simultaneously, a storage barrel filled with cotton slivers is placed near a feed inlet of the working units, the cotton slivers are placed into the feed inlet of the working units, cotton slivers form cotton threads through the working units, and finally the cotton threads are wound on a material collecting wheel for collection.

However, the cotton sliver is stored in the storage barrel in a spiral shape, and the storage barrel is a certain distance away from the feed inlet of the working unit, so that the cotton sliver is automatically extracted from the storage barrel when the working unit of the spinning machine works in the actual working process, the pulling position of the cotton sliver is always changed, the tension of the cotton sliver at the feed inlet is always in a changed state, and therefore the problem of uneven cotton thread thickness occurs when the spinning machine is outgoing, in addition, the problem of uneven cotton sliver is caused, and when the cotton sliver enters the feed inlet, the thicker cotton sliver is blocked at the feed inlet, so that the previous cotton sliver is too tight, and the problem of uneven cotton thread thickness is also caused.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a spinning drafting system, which ensures that cotton slivers stably enter a feed inlet of a working unit along a drafting tube by arranging the drafting tube with an air inlet, reduces shaking generated in the moving process of the cotton slivers, simultaneously ensures that air of the air inlet has a boosting effect on the cotton slivers, ensures that the cotton slivers smoothly enter the working unit, and avoids the cotton slivers from forming a clamping at the feed inlet of the working unit.

The utility model adopts the specific technical scheme that:

the utility model provides a spinning draft system, sets up in the feed inlet below of work unit, draft system includes mount and draft tube, the draft tube hangs between the port of feed inlet and storage bucket of work unit with the help of the mount, the input of draft tube is loudspeaker form orientation storage bucket, the output of draft tube is crooked form orientation feed inlet of work unit, still be provided with the air intake on the draft tube, the air-out end and the draft tube of air intake are connected, and the air-out end of air intake has the angle of upwards inclining.

The fixing frame comprises a fixing plate and a supporting rod, the fixing plate is fixedly connected with the bottom of the working unit, two ends of the supporting rod are respectively fixedly connected with the fixing plate and the drafting tube, and the drafting tube is fixedly connected with the working unit by means of a pair of supporting rods and is suspended above the storage barrel.

The draft tube comprises a horn-shaped tube orifice and a tube body main body, the tube orifice and the tube body main body are connected by virtue of a connecting tube, the connecting tube is horn-shaped, the wider input end of the connecting tube is wider than the narrower output end of the tube orifice, the input end of the connecting tube is positioned between the output end and the input end of the tube orifice and is fixed in a sealing manner, an air flow chamber is formed between the connecting tube and the tube orifice, and an air inlet perpendicular to the side wall of the connecting tube is arranged at the position of the air flow chamber.

The inside of the pipe body main body is provided with a strip-shaped air outlet, and the air outlet extends from the input end of the pipe body main body to the output end of the pipe body main body.

The ratio of the width of the air outlet to the pipe diameter of the pipe body main body is 1:2-3.

The beneficial effects of the utility model are as follows:

1. according to the cotton sliver feeding device, the cotton sliver stably enters the feed inlet of the working unit along the drafting tube by virtue of the drafting tube with the air inlet, so that shaking generated in the moving process of the cotton sliver is reduced, meanwhile, the air of the air inlet has a boosting effect on the cotton sliver, so that the cotton sliver smoothly enters the working unit, and the phenomenon that the cotton sliver is blocked at the feed inlet of the working unit is avoided, so that the cotton sliver stably enters the working unit, the thickness of a generated cotton thread is uniform, and the quality of the cotton thread is improved.

2. According to the utility model, the structure of the drafting tube is optimized, the connecting tube is additionally arranged between the tube orifice of the drafting tube and the tube body main body, the air flow chamber is formed between the connecting tube and the tube orifice, and negative pressure is formed in the tube orifice after wind enters the air flow chamber, so that the wind provides suction force at the output end of the tube orifice, the cotton sliver moves along the direction of the tube body main body, the air inlet direction of the air inlet is prevented from being deviated, the small amplitude shaking of the cotton sliver in the drafting tube is reduced, and the thickness uniformity of cotton thread generation is further stabilized.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic drawing of a draft tube structure with a connecting tube;

FIG. 4 is a schematic view of a part of the structure of a pipe body main body;

in the drawing, 1, a working unit, 2, a drafting tube, 3, a storage barrel, 4, an air inlet, 5, a fixing plate, 6, a supporting rod, 7, a tube orifice, 8, a tube body main body, 9, a connecting tube, 10, an air flow chamber, 11 and an air outlet.

Detailed Description

The utility model is further described with reference to the accompanying drawings and specific examples:

the utility model provides a spinning draft system, sets up in the feed inlet below of work unit 1, draft system includes mount and draft tube 2, draft tube 2 hangs between the port of feed inlet and stock bucket 3 of work unit 1 with the help of the mount, the input of draft tube 2 is loudspeaker form towards stock bucket 3, the output of draft tube 2 is crooked form towards the feed inlet of work unit 1, still be provided with air intake 4 on the draft tube 2, the air-out end of air intake 4 is connected with draft tube 2, and the air-out end of air intake 4 has the angle of upwards inclination.

In particular embodiment 1, as shown in fig. 1-2, aiming at the problem that when the working unit 1 draws the sliver, the drawing position of the sliver is always changed, so that the tension of the sliver at the feed inlet is always in a changed state, the embodiment proposes a drawing system, the sliver firstly enters from the horn-shaped port of the drawing tube 2, the air inlet 4 blows air into the tube, the direction of the air blows from the input end of the drawing tube 2 to the output end of the drawing tube 2, the sliver moves along the drawing tube 2 to the feed inlet under the assistance of the air, the drawing tube 2 can reduce the shaking of the sliver in the moving process, so that the tension of the sliver entering the feed inlet is relatively stable, the air can give assistance to the sliver, the thicker part of the sliver can smoothly enter the feed inlet of the working unit 1 under the action of the air, the sliver is prevented from forming a clip at the feed inlet of the working unit 1, in addition, the output end of the drawing tube 2 is in a curved state, the sliver can enter the feed inlet of the working unit 1 in a state close to horizontal, the tension of the sliver at the feed inlet is reduced, the shaking of the sliver in the moving process of the air assisted state, the sliver can be moved along the drawing tube 2 to the feed inlet, the shaking of the sliver in the moving process can be reduced, the shaking of the sliver in the stable entering the working unit is stable, the sliver can be beneficial to the cotton sliver generating a uniform cotton wire, and the cotton sliver quality is improved.

As shown in fig. 1-2, the fixing frame comprises a fixing plate 5 and a supporting rod 6, the fixing plate 5 is fixedly connected with the bottom of the working unit 1, two ends of the supporting rod 6 are respectively fixedly connected with the fixing plate 5 and the drafting tube 2, the drafting tube 2 is fixedly connected with the working unit 1 by means of a pair of supporting rods 6 and is suspended above the storage barrel 3, and the drafting tube 2 is suspended between the working unit 1 and the storage barrel 3 in a mode of the supporting rods 6 and the fixing plate 5, so that the space below the working unit 1 can be saved.

The difference between the embodiment 2 and the embodiment 1 is that the structure of the drawing tube 2 is different, as shown in fig. 3, the drawing tube 2 includes a horn-shaped nozzle 7 and a tube body 8, the nozzle 7 and the tube body 8 are connected by means of a connecting tube 9, the connecting tube 9 is horn-shaped, the wider input end of the connecting tube 9 is wider than the narrower output end of the nozzle 7, the input end of the connecting tube 9 is located between the output end and the input end of the nozzle 7 and forms a sealing fixation, an air flow chamber 10 is formed between the connecting tube 9 and the nozzle 7, an air inlet 4 perpendicular to the side wall of the connecting tube 9 is arranged at the air flow chamber 10, the structure of the drawing tube 2 in the embodiment 2 is further optimized, and a connecting tube 9 is additionally arranged, so that an air flow chamber 10 is formed between the connecting tube 9 and the nozzle 7, and after wind enters the air flow chamber 10, negative pressure is formed in the nozzle 7, thereby the wind is provided at the output end of the nozzle 7, the direction of the tube body 8, the air inlet 4 is prevented from moving in the direction of the tube body 8, the air inlet is prevented from deviating, the small cotton sliver uniform in the drawing tube 2 is further, and the thickness is further stable, and the cotton sliver uniform is generated.

As shown in fig. 3-4, the inside of the tube body main body 8 is provided with a strip-shaped air outlet 11, the air outlet 11 extends from the input end of the tube body main body 8 to the output end of the tube body main body 8, when the cotton sliver is thicker, the output air quantity of the output end of the draft tube 2 is reduced, so that the internal pressure of the draft tube 2 is increased, after the pressure is increased to a certain extent, the cotton sliver flies out at a high speed, and the tension generated when the cotton sliver enters the feed inlet of the working unit 1 is changed rapidly, so that the structure of the tube body main body 8 is optimized, the inside of the tube body main body 8, namely, the side of the tube body main body 8 facing the working unit 1 is provided with the strip-shaped air outlet 11, when the cotton sliver is thicker, excessive air quantity is blown out from the air outlet 11, so that the internal pressure of the draft tube 2 is always kept stable, and the condition that the cotton sliver flies out from the draft tube 2 at a high speed is avoided.

As shown in FIG. 4, the ratio of the width of the air outlet 11 to the pipe diameter of the pipe body main body 8 is 1:2-3, when the air outlet 11 is too narrow, the pressure relief effect is poor, when the air outlet 11 is too wide, the pressure in the drafting pipe 2 is too small to play a role in assisting driving on cotton sliver, therefore, through testing, when the ratio of the width of the air outlet 11 to the pipe diameter of the pipe body main body 8 is 1:2-3, the stability of the pressure inside the drafting pipe 2 can be ensured on the premise that the assisting cotton sliver moves, and the cotton yarn quality formed by the working unit 1 is improved.

Claims (5)

1. The spinning drafting system is arranged below a feed inlet of a working unit (1), and is characterized in that the drafting system comprises a fixing frame and a drafting tube (2), the drafting tube (2) is hung between the feed inlet of the working unit (1) and a port of a storage barrel (3) by means of the fixing frame, an input end of the drafting tube (2) faces towards the storage barrel (3) in a horn shape, an output end of the drafting tube (2) faces towards the feed inlet of the working unit (1) in a bending shape, an air inlet (4) is further formed in the drafting tube (2), an air outlet end of the air inlet (4) is connected with the drafting tube (2), and an air outlet end of the air inlet (4) is provided with an upward-inclined angle.

2. Spinning draft system according to claim 1, characterized in that the fixing frame comprises a fixing plate (5) and a supporting rod (6), the fixing plate (5) is fixedly connected with the bottom of the working unit (1), two ends of the supporting rod (6) are respectively fixedly connected with the fixing plate (5) and the draft tube (2), and the draft tube (2) is fixedly connected with the working unit (1) by means of a pair of supporting rods (6) and is suspended above the storage bucket (3).

3. Spinning drafting system according to claim 1, characterized in that the drafting tube (2) comprises a horn-shaped tube orifice (7) and a tube body (8), the tube orifice (7) and the tube body (8) are connected by means of a connecting tube (9), the connecting tube (9) is horn-shaped, the wider input end of the connecting tube (9) is wider than the narrower output end of the tube orifice (7), the input end of the connecting tube (9) is positioned between the output end and the input end of the tube orifice (7) and forms a sealing fixation, an air flow chamber (10) is formed between the connecting tube (9) and the tube orifice (7), and an air inlet (4) perpendicular to the side wall of the connecting tube (9) is arranged at the air flow chamber (10).

4. A spinning draft system according to claim 3, wherein an elongated vent (11) is provided inside the tubular body (8), said vent (11) extending from the input end of the tubular body (8) to the output end of the tubular body (8).

5. Spinning draft system according to claim 4, characterized in that the ratio of the width of the blow-off opening (11) to the pipe diameter of the pipe body (8) is 1:2-3.