Suction system of ring spinning machine

Abstract

The utility model discloses a suction system of a ring spinning machine, which comprises a centralized air suction system, a central pipeline system connected with the centralized air suction system and air suction pipelines configured for each ring spinning machine, and the central pipeline system is respectively connected with a plurality of groups of air suction pipelines through a plurality of connecting pipelines; the centralized air suction system comprises a driving motor and a suction fan driven by the driving motor. According to the structure, air suction pipelines of a plurality of ring spinning machines are connected to the same central pipeline system, and negative pressure suction force needed by the air suction pipelines is provided through a set of centralized air suction system; the structure is simple, the equipment cost is greatly reduced, and the equipment space is also saved.

Description

Technical Field

[0001] The utility model relates to the technical field of ring spinning machines, in particular to a suction system of a ring spinning machine. Background Art

[0002] In the existing ring spinning machines, an independent suction system is equipped at the end of the frame of each ring spinning machine, and negative pressure suction is generated by the suction system. This negative pressure suction is used for the compact spinning air suction pipeline and the waste air suction pipeline. Each ring spinning machine is equipped with at least one driving motor and one turbine, and the negative pressure suction generated is docked to the corresponding ring spinning machine through the compact spinning air suction pipeline and the waste air suction pipeline. In a spinning mill, there are multiple spinning machines. If each spinning machine is equipped with an independent suction system, it will lead to higher equipment investment costs, higher energy waste, and additional space is required for each suction system. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model provides a suction system of a ring spinning machine.

[0004] The technical solution of the utility model is: it includes a centralized air suction system, a central pipeline system connected to the centralized air suction system, and air suction pipelines configured for each ring spinning machine. The central pipeline system is connected to multiple groups of the air suction pipelines through a plurality of connecting pipelines; the centralized air suction system includes a driving motor and a suction fan driven by the driving motor;

[0005] The air suction pipelines include a compact spinning air suction pipeline and a waste air suction pipeline. The compact spinning air suction pipeline and the waste air suction pipeline are both connected to the same interface. The central pipeline system is connected to the interface through a connecting pipeline, and a stop valve is provided on the interface.

[0006] A further technical solution of it is: a compact air suction nozzle is provided on the compact spinning air suction pipeline, and the compact air suction nozzle is located below the drafting device of the ring spinning machine along the front nip line towards the twisting point direction.

[0007] A further technical solution of it is: the waste air suction pipeline is arranged below the drafting device of the ring spinning machine, and an air suction groove is provided on the waste air suction pipeline, and the air suction groove extends along the fiber flow direction.

[0008] A further technical solution of it is: a filter screen is provided in the centralized air suction system.

[0009] A further technical solution of it is: a pressure sensor is provided on the air suction pipeline.

[0010] A further technical solution thereof is: it further includes a control unit, a stop valve is further provided on the suction duct, and the control unit is operably connected to the stop valve.

[0011] A further technical solution thereof is: stop valves are provided on both the compact spinning suction duct and the waste suction duct, and the closing and opening of the compact spinning suction duct and the waste suction duct are respectively controlled by independent control of the stop valves.

[0012] A further technical solution thereof is: filter nets are provided in both the compact spinning suction duct and the waste suction duct.

[0013] The beneficial technical effect of the present utility model is: the suction ducts of multiple ring spinning machines are connected to the same central duct system, and pressure sensors and stop valves are installed at predetermined positions of the ducts, so as to control the negative pressure and switch of each suction duct as needed, making the selection and use of each suction duct very flexible, practical and convenient; a set of centralized suction system can provide the required negative pressure suction for multiple ring spinning machines, and the suction system has a simple structure, greatly reducing the equipment cost and saving the equipment space. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the positional relationship between the suction system of the present utility model and the ring spinning machine;

[0015] Figure 2 is a schematic diagram of the connection structure of the suction system of the present utility model;

[0016] Wherein: 1. Ring spinning machine; 2. Bobbin; 3. Drafting device; 4. Compact spinning suction duct; 5. Waste suction duct; 6. Yarn guide; 7. Ring; 8. Spindle; 9. Interface; 10. Centralized suction system; 11. Driving motor; 12. Suction fan; 13. Filter net; 14. Central duct system; 15. Stop valve. Detailed Embodiments

[0017] In order to be able to more clearly understand the technical means of the present utility model and implement it in accordance with the content of the specification, the following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0018] According to the present invention, a suction system for a ring spinning machine is provided, as Figure 2As shown, it includes a centralized air suction system 10, a central duct system 14 connected to the centralized air suction system 10, and air suction ducts configured for each ring spinning frame 1. The central duct system 14 is connected to multiple groups of the air suction ducts through a plurality of connecting ducts 16 respectively. The centralized air suction system 10 includes a driving motor 11 and a suction fan 12 driven by the driving motor 11.

[0019] Specifically, as Figure 1 shown in a preferred embodiment of the present invention, the layout of multiple ring spinning frames 1 is shown in the figure. A plurality of bobbins 2 are suspended at a predetermined height along the vertical direction through a roving frame. A drafting device 3 is provided downstream along the arrangement direction of the plurality of bobbins 2. The drafting device 3 includes an upper drafting roller and a lower drafting roller. The upper drafting roller and the lower drafting roller form a drafting pair. The roving passes through the drafting pair and is drafted.

[0020] A plurality of yarn guides 6 are arranged longitudinally downstream of the drafting device 3 along the longitudinal direction of the drafting device 3.

[0021] A ring rail extending along the direction of the drafting device 3 is provided downstream of the plurality of yarn guides 6. A plurality of spindles 8 are arranged longitudinally on the ring rail. A traveller 7 is coaxially provided on each spindle 8.

[0022] During operation, the roving is fed from the roving bobbin of the bobbin 2 and is transmitted to the drafting device 3 through a buncher. The roving is threaded through the drafting device 3 and undergoes drafting treatment. By adjusting the rotational speeds of the upper drafting roller and the lower drafting roller, the linear density of the roving is adjusted. The roving is drafted into a fiber bundle in the drafting device 3. Each fiber is in a free state when reaching the front nip line. When these fibers leave the front nip line, they are twisted together at the twisting point to form a single yarn, that is, a twisting triangle area is formed between the front nip line and the twisting point. Since it is impossible to gather all the fibers at the front nip in the twisting triangle area, especially the edge fibers, many edge fibers and floating fibers are lost as flyings; or one end of some fibers extends outside the yarn to form hairiness.

[0023] By introducing compact spinning technology, the hairiness and flyings generated in the twisting triangle area are solved, and the strength and wear resistance of the yarn are improved.

[0024] In this embodiment, the suction duct includes a compact spinning suction duct 4 and a waste suction duct 5. A compact suction nozzle is provided below the drafting device 3 between the nip line and the twisting point. With the negative pressure suction provided by the compact suction nozzle in cooperation with the compact spinning suction duct 4, the drafted fibers are attracted and compressed under the action of the negative pressure suction. Subsequently, the compressed fibers are transmitted to the traveler 7 through the yarn guide 6. Each fiber is twisted into a yarn at the twisting point and wound onto the bobbin of the spindle 8. By means of the negative pressure suction, the fibers are transversely condensed, greatly reducing the width of each fiber. After the fibers are gathered, they are twisted and wound, so that almost each fiber can be twisted into the yarn, forming a yarn with few hairiness and high strength.

[0025] The waste suction duct 5 is arranged below the drafting device 3. Through the negative pressure suction provided by the waste suction duct 5, the broken yarn generated during the textile process is collected. Specifically, the waste suction duct 5 is provided with a suction groove, and the suction groove extends along the fiber flow direction.

[0026] Furthermore, both the compact spinning suction duct 4 and the waste suction duct 5 are connected to the same interface 9, and this interface 9 is connected to the central duct system 14 through a connecting duct 16, so that the negative pressure suction generated by the suction fan 12 can reach the compact spinning suction duct 4 and the waste suction duct 5 of each ring spinning frame 1.

[0027] To achieve centralized control of the negative pressure suction and unified collection and treatment of broken yarn waste.

[0028] Furthermore, a filter screen 13 is also provided in the centralized suction system 10, and the filter screen 13 is used to filter the waste discharged from each ring spinning frame 1.

[0029] Furthermore, the suction system also includes a control unit, including an electronic circuit board or a microprocessor for receiving, processing, and transmitting signals.

[0030] Furthermore, pressure sensors are provided at the interface 9 where the central duct system 14 is docked with each ring spinning frame 1 and / or on the compact spinning suction duct 4 and / or on the waste suction duct 5. The pressure sensors are electrically connected to the control unit, and the pressure sensors are used to monitor the pressure changes in the suction ducts of each ring spinning frame 1 and transmit the monitoring signals to the control unit.

[0031] Furthermore, a stop valve 15 is provided in each interface 9, and the control unit is operably connected to the stop valve 15. Specifically, the control unit receives the monitoring signals of the pressure sensors and sends corresponding control signals to the stop valve 15 according to the pressure requirements in the ring spinning frame 1 to control the closing or opening of the stop valve 15.

[0032] In another embodiment, a pressure sensor and a stop valve 15 are provided on each of the compact spinning suction ducts 4 and each of the waste suction ducts 5, and each stop valve 15 is electrically connected to the control unit. The control unit can then adjust the pressures in the compact spinning suction ducts 4 and the waste suction ducts 5 respectively as needed.

[0033] In another embodiment, a filter screen 13 is provided in each of the compact spinning suction ducts 4 and each of the waste suction ducts 5 for filtering and collecting waste. By regularly cleaning the filter screen 13, it is ensured that it continuously and effectively filters waste and keeps the ducts unobstructed.

[0034] It can be understood that by varying the installation positions of the stop valves 15, the ring spinning machine 1 can be selectively docked with the suction system, or the compact spinning suction ducts 4 or the waste suction ducts 5 of each ring spinning machine 1 can be selectively connected to the suction system.

[0035] It should be noted that the application scope of the present invention is not limited to the ring spinning machine 1 and can also be extended to any textile machinery equipped with a suction system.

[0036] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. It should be pointed out that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A suction system for a ring spinning machine, characterized in that: The invention comprises a centralized air suction system (10), a central pipeline system (14) connected to the centralized air suction system (10), and an air suction pipeline configured for each ring spinning machine (1), wherein the central pipeline system (14) is respectively connected to a plurality of groups of the air suction pipelines through a plurality of connecting pipelines (16); the centralized air suction system (10) comprises a driving motor (11) and a suction fan (12) driven by the driving motor (11); The suction duct comprises a compact spinning suction duct (4) and a waste suction duct (5), the compact spinning suction duct (4) and the waste suction duct (5) are both connected to the same interface (9), the central pipeline system (14) is connected to the interface (9) via a connecting pipeline (16), and a stop valve (15) is provided on the interface (9).

2. A suction system for a ring spinning machine according to claim 1, characterized in that: The compact spinning suction duct (4) is provided with a compact suction nozzle, and the compact suction nozzle is located below the drafting device (3) of the ring spinning machine (1) along the front jaw line towards the twisting point.

3. A suction system for a ring spinning machine according to claim 1, characterized in that: The waste suction duct (5) is arranged below the drafting device (3) of the ring spinning machine (1), and a suction groove is provided on the waste suction duct (5), and the suction groove extends along the fiber flow direction.

4. The suction system of a ring spinning machine according to claim 1, characterized in that: The centralized air suction system (10) is provided with a filter screen (13).

5. The suction system of a ring spinning machine according to claim 1, characterized in that: A pressure sensor is arranged on the air suction duct.

6. The suction system of a ring spinning machine according to claim 1, characterized in that: It also comprises a control unit. A stop valve (15) is also provided on the air suction duct. The control unit is operably connected to the stop valve (15).

7. The suction system of a ring spinning machine according to claim 1, characterized in that: The compact spinning suction duct (4) and the waste suction duct (5) are both provided with stop valves (15), and the closing and opening of the compact spinning suction duct (4) and the waste suction duct (5) are respectively controlled by independently controlling the stop valves (15).

8. The suction system of a ring spinning machine according to claim 1, characterized in that: The compact spinning suction duct (4) and the waste suction duct (5) are both provided with filter screens (13).

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