Negative pressure energy-saving control device for cotton suction air pipe of spinning frame

By designing a negative pressure energy-saving control device for the cotton suction duct of a spinning machine, and utilizing the frequency converter to control the rotation motor and threaded rod, the device achieves flexible adjustment of the yarn twisting range and reduces energy consumption. This solves the problems of inconvenience and high energy consumption in existing technologies, and improves the ease of use of the device and the stability of yarn production.

CN223837667UActive Publication Date: 2026-01-27SUZHOU ZHENLUN BIOLOGICAL FIBER CO LTD
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Patent Information

Application Number
CN202520460071.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-01-27
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

The existing negative pressure energy-saving control device for the cotton suction duct of the spinning machine has a fixed twisting range during yarn processing, which is inconvenient to use, consumes a lot of energy, and generates a lot of heat, affecting yarn production.

Method used

The device design includes a connecting block, support frame, drive motor, frequency converter, sensor and air duct structure. The frequency converter controls the rotation speed of the rotating motor. Combined with the design of the threaded rod and fan, it can achieve flexible adjustment of the yarn twisting range and reduce energy consumption.

Benefits of technology

It enables flexible adjustment of the yarn twisting range, reduces energy consumption, prevents yarn breakage, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a spinning frame cotton suction air pipe negative pressure energy-saving control device, which relates to the spinning frame cotton suction negative pressure technology field, and comprises a connecting block, the top of the connecting block is fixedly connected with a cotton suction mechanism, one side of the top of a support frame is fixedly connected with a frequency converter, one side of the frequency converter is fixedly connected with a first lead, and the other side of the frequency converter is fixedly connected with a second lead. And one end of the first wire is fixedly connected with a controller, the bottom of the controller is fixedly connected with a broken wire detection device, and the interior of the supporting frame is movably connected with an air pipe structure. The driving motor rotates to enable the threaded connecting cylinder connected with the threaded rod to move left and right, the device is promoted to move left and right on the mounting platform, the position of the device is conveniently adjusted, meanwhile, the yarn twisting range is enlarged, a cotton suction fan in a negative pressure system can operate and work at low frequency, work energy consumption is greatly reduced, and the working efficiency is improved. Heat generated by rotation of the rotating motor is discharged from the discharge pipe, hot air cannot be discharged to the yarn, and the yarn is prevented from being broken.
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Description

Technical Field

[0001] This utility model relates to the field of negative pressure technology for cotton suction in spinning machines, specifically to a negative pressure energy-saving control device for cotton suction ducts in spinning machines. Background Technology

[0002] The negative pressure system for spinning frames is an indispensable component of the spinning machine and plays a very important role in the spinning process. Its main function is to prevent the fiber from getting tangled in the rollers when a yarn breakage occurs on a single spindle, by sucking up the sliver continuously output from the front roller.

[0003] The existing technology has the following problems:

[0004] 1. The existing negative pressure energy-saving control device for the cotton suction duct of the spinning machine has a fixed twisting range during yarn processing, which cannot be flexibly adjusted. It is also inconvenient to pull the yarn after it breaks, making it not convenient to use.

[0005] 2. The existing negative pressure energy-saving control device for cotton suction duct of spinning machine has a large energy consumption and generates a lot of heat, which shortens its service life. At the same time, the heat emission also affects yarn production, making the yarn prone to breakage. Utility Model Content

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A negative pressure energy-saving control device for a cotton suction duct of a spinning machine includes a connecting block, a support frame fixedly connected to one side of the connecting block, a drive motor disposed on the front of the connecting block, a cotton suction mechanism fixedly connected to the top of the connecting block, the cotton suction mechanism including a rotating motor, a frequency converter fixedly connected to one side of the top of the support frame, a first wire fixedly connected to one side of the frequency converter, a controller fixedly connected to one end of the first wire, a second wire fixedly connected to one end of the controller, a sensor fixedly connected to one end of the second wire, a broken wire detection device fixedly connected to the bottom of the controller, and a duct structure movably connected inside the support frame, the duct structure including a pipe body.

[0008] A further improvement of this utility model is that: a threaded connecting cylinder is movably connected inside the connecting block, a threaded rod is fixedly connected to the output end of the drive motor, one end of the threaded rod is threaded through the inside of the threaded connecting cylinder, and a sliding groove is provided at the bottom of the connecting block.

[0009] A further improvement of this utility model is that: the top of the support frame is provided with an installation groove, the wire breakage detection device is snapped into the inside of the installation groove, and the inner wall of the support frame is provided with an insertion hole.

[0010] A further improvement of the present invention is that: a connecting pipe is fixedly installed on the front of the tube body, a branch pipe is fixedly connected to one end of the connecting pipe, two sets of yarn guide rings are opened on the outer wall of the branch pipe, an air nozzle is fixedly connected to the top of one end of the tube body, a connecting end is fixedly connected to the top of the air nozzle, and a plug rod is fixedly connected to one end of the tube body.

[0011] A further improvement of this utility model is that the plug rod is inserted into the inside of the plug hole, and the top of the connecting end is fixedly connected to one end of the sensor.

[0012] A further improvement of this utility model is that: a fan is fixedly connected to the output end of the rotating motor, an outer cylinder is fixedly connected to one end of the rotating motor, a discharge pipe is fixedly connected to the outer wall of the outer cylinder, a pump is fixedly connected to the bottom of the discharge pipe, a fan is fixedly connected to the output end of the pump, a control component is fixedly connected to the upper part of the outer wall of the rotating motor, and a third wire is fixedly connected to the top of the control component.

[0013] A further improvement of this utility model is that the top of the third conductor is fixedly connected to one side of the frequency converter, and the air duct is installed inside the discharge pipe.

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] This utility model provides a negative pressure energy-saving control device for the cotton suction duct of a spinning machine. One end of the connecting block is fixedly connected to a support frame, and the duct structure is installed on the inner wall of the support frame. In order to make the duct structure twist evenly, the threaded connecting cylinder connected to the threaded rod moves left and right by rotating the drive motor, so that the device can move left and right on the mounting platform. This makes it convenient to adjust the position of the device at the bottom of the yarn, and also expands the twisting range of the yarn, making it more convenient to use.

[0016] 1. This utility model provides a negative pressure energy-saving control device for the cotton suction duct of a spinning machine. The cotton suction mechanism is installed on one side of the support frame, with one end supported on the top of the duct structure. The top of the rotating motor of the cotton suction mechanism is connected to the frequency converter through a third wire. The frequency converter receives the signal and controls the rotation speed of the rotating motor. The rotating motor controls the fan on one side to rotate. The fan is in the form of exhaust air, which can make the cotton suction fan in the negative pressure system operate at a lower frequency when the yarn breaks, greatly reducing the energy consumption. The heat generated by the rotation of the rotating motor is discharged from the exhaust pipe, which will not cause the hot air to be discharged to the yarn, preventing the yarn from breaking and making it last longer. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the negative pressure energy-saving control device for the cotton suction duct of the spinning machine according to this utility model;

[0018] Figure 2 This is a schematic diagram of the support frame of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the air duct of this utility model;

[0020] Figure 4 This is a schematic diagram of the cotton suction mechanism of this utility model.

[0021] In the diagram: 1. Connecting block; 2. Support frame; 3. Drive motor; 4. Duct structure; 41. Duct body; 42. Connecting pipe; 43. Branch pipe; 44. Yarn guide ring; 45. Insert rod; 46. Air nozzle; 47. Connecting end; 5. Cotton suction mechanism; 6. Frequency converter; 7. Controller; 8. Thread breakage detection device; 9. Sensor; 10. First wire; 11. Second wire; 12. Threaded connecting cylinder; 13. Slide groove; 21. Mounting groove; 22. Insertion hole; 31. Threaded rod; 51. Rotating motor; 52. Outer cylinder; 53. Fan; 54. Discharge pipe; 55. Pump; 56. Duct; 57. Control components; 58. Third wire. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to embodiments:

[0023] Example 1

[0024] like Figure 1-4 As shown, this utility model provides a negative pressure energy-saving control device for the cotton suction duct of a spinning machine, including a connecting block 1, a support frame 2 fixedly connected to one side of the connecting block 1, a drive motor 3 provided on the front of the connecting block 1, a cotton suction mechanism 5 fixedly connected to the top of the connecting block 1, the cotton suction mechanism 5 including a rotating motor 51, a frequency converter 6 fixedly connected to one side of the top of the support frame 2, a first wire 10 fixedly connected to one side of the frequency converter 6, a controller 7 fixedly connected to one end of the first wire 10, a second wire 11 fixedly connected to one end of the controller 7, a sensor 9 fixedly connected to one end of the second wire 11, a broken wire detection device 8 fixedly connected to the bottom of the controller 7, and a duct structure 4 movably connected inside the support frame 2, the duct structure 4 including a pipe body 41.

[0025] In this implementation case, the device is made more convenient to use through the combined action of the support frame 2, the air duct structure 4, the cotton suction mechanism 5, the controller 7, and the sensor 9. The air duct structure 4 is installed at the bottom of the support frame 2, and the yarn passes through the inside of both. The yarn is twisted at the top of the air duct structure 4 and rotates at a certain speed. The sensor 9 is installed on one side of the top of the air duct structure 4 to detect the twisting speed and determine whether the yarn is broken. The top of the support frame 2 is connected to the yarn breakage detection device 8. The two transmit signals to accurately obtain the yarn breakage signal, which is then sent to the controller 7. The controller 7 sends a signal to the frequency converter 6 to control the rotation speed of the cotton suction mechanism 5, making the device more convenient to use.

[0026] Example 2

[0027] like Figure 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: preferably, a threaded connecting cylinder 12 is movably connected inside the connecting block 1, a threaded rod 31 is fixedly connected to the output end of the drive motor 3, one end of the threaded rod 31 is threaded through the inside of the threaded connecting cylinder 12, and a sliding groove 13 is provided at the bottom of the connecting block 1.

[0028] The top of the support frame 2 is provided with a mounting groove 21, and the wire breakage detection device 8 is snapped into the inside of the mounting groove 21. The inner wall of the support frame 2 is provided with a plug-in hole 22.

[0029] In this embodiment, the device is made more convenient to use by the combined action of the connecting block 1 and the support frame 2. One end of the connecting block 1 is fixedly connected to the support frame 2, and the air duct structure 4 is installed on the inner wall of the support frame 2. In order to make the air duct structure 4 twist evenly, the drive motor 3 is fixedly installed on one side of the workbench. By rotating the drive motor 3, the threaded connecting cylinder 12 connected to the threaded rod 31 moves left and right, causing the device to move left and right on the mounting platform. This makes it convenient to adjust the position of the device at the bottom of the yarn, and also expands the twisting range of the yarn, making it more convenient to use.

[0030] Example 3

[0031] like Figure 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, a connecting pipe 42 is fixedly installed on the front of the tube body 41, a branch pipe 43 is fixedly connected to one end of the connecting pipe 42, two sets of yarn guide rings 44 are opened on the outer wall of the branch pipe 43, an air nozzle 46 is fixedly connected to the top of one end of the tube body 41, a connecting end 47 is fixedly connected to the top of the air nozzle 46, and a plug rod 45 is fixedly connected to one end of the tube body 41.

[0032] The plug rod 45 is inserted into the inside of the plug hole 22, and the top of the connecting end 47 is fixedly connected to one end of the sensor 9.

[0033] In this embodiment, the combined action of the duct structure 4 and the sensor 9 makes the device easier to use. The bottom of the mounting support frame 2 of the duct structure 4 is connected to the yarn, which plays an important role in yarn processing. The yarn passes through the guide ring 44. Since both ends of the tube body 41 are connected to the duct, the yarn connection inside plays a stable support role. The middle part of the yarn is connected to the top of the tube body 41, and one side is connected to the air nozzle 46. The sensor 9 is connected above the air nozzle 46. If the yarn breaks, the unstable airflow generated by the air nozzle 46 transmits a signal to the sensor 9, which can quickly detect the yarn breakage, making the device more sensitive to the breakage.

[0034] Example 4

[0035] like Figure 1-4 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, a fan 53 is fixedly connected to the output end of the rotating motor 51, an outer cylinder 52 is fixedly connected to one end of the rotating motor 51, a discharge pipe 54 is fixedly connected to the outer wall of the outer cylinder 52, a pump 55 is fixedly connected to the bottom of the discharge pipe 54, a fan duct 56 is fixedly connected to the output end of the pump 55, a control component 57 is fixedly connected to the upper part of the outer wall of the rotating motor 51, and a third wire 58 is fixedly connected to the top of the control component 57.

[0036] The top of the third conductor 58 is fixedly connected to one side of the frequency converter 6, and the air duct 56 is installed inside the discharge pipe 54.

[0037] In this embodiment, the combined action of the frequency converter 6 and the cotton suction mechanism 5 makes the device more convenient to use. The cotton suction mechanism 5 is installed on one side of the support frame 2, with one end supported on the top of the air duct structure 4. The top of the rotating motor 51 of the cotton suction mechanism 5 is connected to the frequency converter 6 through the third wire 58. The frequency converter 6 receives the signal and controls the rotation speed of the rotating motor 51. The rotating motor 51 controls the fan 53 on one side to rotate. The fan 53 is in the form of exhaust, which can cause the cotton suction fan in the negative pressure system to operate at a lower frequency when the yarn breaks, greatly reducing the energy consumption. The heat generated by the rotation of the rotating motor 51 is discharged from the exhaust pipe 54, which prevents the hot air from being discharged onto the yarn, thus preventing the yarn from breaking and making it more convenient to use.

[0038] The working principle of the negative pressure energy-saving control device for the cotton suction duct of the spinning machine will be explained in detail below.

[0039] like Figure 1-4As shown, when this spinning machine's cotton suction duct negative pressure energy-saving control device is in use, the duct structure 4 is installed at the bottom of the support frame 2, and the yarn passes through the inside of both. The yarn is twisted at the top of the duct structure 4 and rotates at a certain speed. A sensor 9 is installed on one side of the top of the duct structure 4 to detect the twisting speed and determine whether the yarn is broken. The top of the support frame 2 is connected to the yarn breakage detection device 8. The two transmit signals to accurately obtain the yarn breakage signal, which is then sent to the controller 7. The controller 7 sends a signal to the frequency converter 6 to control the rotation speed of the cotton suction mechanism 5, making the device more convenient to use. One end of the connecting block 1 is fixedly connected to the support frame 2, and the duct structure 4 is installed on the inner wall of the support frame 2. In order to make the twisting of the duct structure 4 uniform, the drive motor 3 is fixedly installed on one side of the workbench. By rotating the drive motor 3, the threaded connecting cylinder 12 connected to the threaded rod 31 moves left and right, causing the device to move left and right on the mounting platform, which facilitates the adjustment of the device at the bottom of the yarn and also expands the yarn twisting range, making it more convenient to use. The duct structure 4 is installed at the bottom of the support frame 2 and the yarn The connection plays a crucial role in yarn processing. The yarn enters through the guide ring 44. Since both ends of the tube 41 are connected to air ducts, the yarn connection provides stable support inside. The middle part of the yarn connects to the top of the tube 41, and one side connects to the air nozzle 46. A sensor 9 is connected above the air nozzle 46. If the yarn breaks, the unstable gas generated by the air nozzle 46 transmits a signal to the sensor 9, which can quickly detect the yarn breakage, making the device's sensing function faster. The cotton suction mechanism 5 is installed on one side of the support frame 2, with one end supported by the air duct structure. At the top of 4, the top of the rotating motor 51 of the cotton suction mechanism 5 is connected to the frequency converter 6 via the third wire 58. The frequency converter 6 receives the signal and controls the rotation speed of the rotating motor 51. The rotating motor 51 controls the fan 53 on one side to rotate. The fan 53 is in the form of exhaust air, which can make the cotton suction fan in the negative pressure system operate at a lower frequency when the yarn breaks, greatly reducing the energy consumption. The heat generated by the rotation of its rotating motor 51 is discharged from the discharge pipe 54, which will not cause the hot air to be discharged to the yarn, preventing the yarn from breaking and making it more convenient to use.

[0040] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A negative pressure energy-saving control device for the cotton suction duct of a spinning machine, comprising a connecting block (1), characterized in that: A support frame (2) is fixedly connected to one side of the connecting block (1). A drive motor (3) is provided on the front of the connecting block (1). A cotton suction mechanism (5) is fixedly connected to the top of the connecting block (1). The cotton suction mechanism (5) includes a rotating motor (51). A frequency converter (6) is fixedly connected to one side of the top of the support frame (2). A first wire (10) is fixedly connected to one side of the frequency converter (6). A controller (7) is fixedly connected to one end of the first wire (10). A second wire (11) is fixedly connected to one end of the controller (7). A sensor (9) is fixedly connected to one end of the second wire (11). A wire breakage detection device (8) is fixedly connected to the bottom of the controller (7). A duct structure (4) is movably connected inside the support frame (2). The duct structure (4) includes a pipe body (41).

2. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 1, characterized in that: The connecting block (1) is movably connected to a threaded connecting cylinder (12), and the output end of the drive motor (3) is fixedly connected to a threaded rod (31). One end of the threaded rod (31) is threaded through the inside of the threaded connecting cylinder (12), and a sliding groove (13) is provided at the bottom of the connecting block (1).

3. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 1, characterized in that: The top of the support frame (2) is provided with an installation groove (21), the wire breakage detection device (8) is snapped into the inside of the installation groove (21), and the inner wall of the support frame (2) is provided with a plug hole (22).

4. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 1, characterized in that: A connecting pipe (42) is fixedly installed on the front of the tube body (41). A branch pipe (43) is fixedly connected to one end of the connecting pipe (42). Two sets of yarn guide rings (44) are opened on the outer wall of the branch pipe (43). An air nozzle (46) is fixedly connected to the top of one end of the tube body (41). A connecting end (47) is fixedly connected to the top of the air nozzle (46). A plug rod (45) is fixedly connected to one end of the tube body (41).

5. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 4, characterized in that: The plug rod (45) is inserted into the inside of the plug hole (22), and the top of the connecting end (47) is fixedly connected to one end of the sensor (9).

6. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 1, characterized in that: A fan (53) is fixedly connected to the output end of the rotating motor (51). An outer cylinder (52) is fixedly connected to one end of the rotating motor (51). A discharge pipe (54) is fixedly connected to the outer wall of the outer cylinder (52). A pump (55) is fixedly connected to the bottom of the discharge pipe (54). A fan duct (56) is fixedly connected to the output end of the pump (55). A control component (57) is fixedly connected to the top of the outer wall of the rotating motor (51). A third wire (58) is fixedly connected to the top of the control component (57).

7. The negative pressure energy-saving control device for the cotton suction duct of a spinning machine according to claim 6, characterized in that: The top of the third conductor (58) is fixedly connected to one side of the frequency converter (6), and the air duct (56) is installed inside the discharge pipe (54).