Control system suitable for spinning production line

Abstract

The utility model discloses a control system suitable for a spinning production line, and belongs to the technical field of spinning control. The control system is arranged in a spinning production line. The control system comprises a PLC (programmable logic controller), a splitting cylinder I for driving an automatic splitter I to operate, a splitting cylinder II for driving an automatic splitter II to operate, a separation motor for driving a separation fan to operate, a cotton mixing motor for driving a cotton mixing fan to operate, a fine opening motor for driving a fine opening fan to operate, a cotton carding motor for driving a cotton carding fan to operate and the like, by selecting specific control points (such as a separation cylinder I, a separation motor, a cotton mixing motor, a fine opening motor and a cotton carding motor), effective conveying of fiber materials is realized, each process link can be well joined, smooth and orderly proceeding of a spinning process is ensured, meanwhile, stability, controllability and traceability of the spinning process are ensured, and the production efficiency is improved. Systematized control and management can be well achieved, and the yarn production requirement is met.

Description

Technical Field

[0001] This utility model specifically relates to a control system applicable to a spinning production line, which mainly realizes the effective conveying of fiber materials and can better connect the various process links, belonging to the field of spinning control technology. Background Technology

[0002] Yarn is a textile product made from various textile fibers processed to a certain fineness. It is used for weaving, rope making, thread making, knitting, and embroidery, and is mainly divided into staple fiber and filament. The yarn production process mainly includes: cotton blending, opening, carding, drawing, spinning, and post-processing (winding, doubling, twisting, etc.).

[0003] Currently, the conveying of fiber materials is mostly done manually, which leads to high labor costs, low work efficiency, and limited flexibility in material preparation and mixing, severely impacting subsequent product quality and production efficiency. Although some methods use fans to convey fiber materials, the coordination between the various processes involved is poor, failing to guarantee the smooth operation of the spinning process. Summary of the Invention

[0004] To address the problems of existing technologies, a control system suitable for spinning production lines is proposed. In this technical solution, by selecting specific control points (such as: channel cylinder I, channel cylinder II, separation motor, blending motor, fine opening motor, carding motor, etc.), effective conveying of fiber materials is achieved, and the various process steps are well connected, ensuring the smooth and orderly operation of the spinning process. Simultaneously, the stability, controllability, and traceability of the spinning process are guaranteed, and systematic control and management can be effectively realized to meet the needs of yarn production.

[0005] To achieve the above technical objectives, the following technical solution is proposed:

[0006] The purpose of this technical solution is to provide a control system suitable for a spinning production line, which is installed in the spinning production line, which includes a cotton grabber, a cotton blender, a fine cotton opener, a carding machine, a first drawing frame, and a second drawing frame arranged in sequence. The cotton grabber includes a disc cotton grabber I and a disc cotton grabber II, which are connected by an automatic distributor I. The automatic distributor I is connected to a multi-compartment cotton blender through a conveying pipe I. A heavy object separator is provided between the conveying pipe I and the multi-compartment cotton blender. The discharge port of the heavy object separator is connected to the inlet of the multi-compartment cotton blender by a... The cotton blending input pipe is connected; the disc cotton grabber II is connected to the cotton condenser via the automatic distributor II. A baling machine is located below the cotton condenser. The baling machine is located in front of the station of the disc cotton grabber I, and behind or in front of the station of the disc cotton grabber II; the discharge port of the multi-compartment cotton blender is connected to the fine cotton opener via the conveying pipe II, and the fine cotton opener is connected to the carding machine via the conveying pipe III. The carding machine is equipped with a cotton feeding hopper; a separation fan is installed at the feed inlet of the heavy object separator, a cotton blending fan is installed at the feed inlet of the multi-compartment cotton blender, a fine cotton opening fan is installed at the feed inlet of the fine cotton opener, and a carding fan is installed at the feed inlet of the carding machine.

[0007] The control system includes a PLC controller, a channeling cylinder I that drives the automatic channeling device I, a channeling cylinder II that drives the automatic channeling device II, a separation motor that drives the separation fan, a blending motor that drives the blending fan, a fine opening motor that drives the fine opening fan, and a carding motor that drives the carding fan.

[0008] The distributor cylinder I is connected to solenoid valve I. Solenoid valve I is connected to the PLC controller via electrical signals. Solenoid valve I, the PLC controller and distributor cylinder I form a control loop via electrical signals.

[0009] The distributor cylinder II is connected to solenoid valve II. Solenoid valve II is connected to the PLC controller via electrical signals. Solenoid valve II, PLC controller and distributor cylinder II form a control loop via electrical signals.

[0010] The separate motor is connected to a separate frequency converter. The separate frequency converter and the PLC controller are connected by electrical signals. The separate frequency converter, the PLC controller and the separate motor form a control loop through electrical signals.

[0011] The cotton blending motor is connected to the cotton blending frequency converter, and the cotton blending frequency converter is connected to the PLC controller via electrical signals; a pressure sensor I is installed on the cotton blending input pipe, and a control loop is formed between the pressure sensor I, the PLC controller, the cotton blending frequency converter, and the cotton blending motor via electrical signals;

[0012] The cotton opening motor is connected to the cotton opening frequency converter, and the cotton opening frequency converter is connected to the PLC controller via electrical signals; the cotton opening machine is equipped with an infrared reflective electrical sensor, and the infrared reflective electrical sensor, PLC controller, cotton opening frequency converter and cotton opening motor form a control loop via electrical signals.

[0013] The carding motor is connected to a carding frequency converter, and the carding frequency converter is connected to the PLC controller via electrical signals. Pressure sensor II is installed on the conveying pipe III, and pressure sensor III is installed in the cotton feeding hopper. Pressure sensor II, pressure sensor III, PLC controller, carding frequency converter and carding motor form a control loop via electrical signals.

[0014] Preferably, the cotton condenser is connected to a cotton condensing fan; the control system further includes a cotton condensing motor that drives the cotton condensing fan, the cotton condensing motor is connected to a cotton condensing frequency converter, the cotton condensing frequency converter is connected to the PLC controller via an electrical signal, and the cotton condensing frequency converter, the PLC controller and the cotton condensing motor form a control loop via an electrical signal.

[0015] Preferably, the conveying pipe I is equipped with an infrared sensor (e.g., AMP-119A4 spark / spark detector) for detecting sparks, an electromagnetic coil induction sensor (e.g., AMP-1000 metal detector) for detecting metal impurities, and a waste discharge port. Both the infrared sensor and the electromagnetic coil induction sensor are connected to the PLC controller via electrical signals.

[0016] The discharge port is connected to the discharge box, and a discharge door is provided between the discharge port and the discharge box. The discharge door is controlled to open and close by a discharge cylinder, and the discharge cylinder is connected to a solenoid valve III through an air source pipe.

[0017] An infrared sensor, an electromagnetic coil induction sensor, a PLC controller, solenoid valve III, and a waste discharge cylinder form a control loop through electrical signals.

[0018] Preferably, the distance between the infrared sensor and / or the electromagnetic coil induction sensor and the waste discharge port is 2.5-4m, so as to achieve a 0.05S delay in the action of the waste discharge cylinder. The specific delay time also takes into account factors such as the conveying wind speed of the fiber material and the inner diameter of the conveying pipe I.

[0019] Preferably, the air outlet of the condenser is connected to the dust removal chamber through return air pipe I, the air outlet of the heavy object separator is connected to the dust removal chamber through return air pipe II, and the air outlet of the carding machine is connected to the dust removal chamber through return air pipe III; a fiber separation and pressing device is provided in the dust removal chamber.

[0020] Preferably, a third drawing frame is provided behind the station of the second drawing frame, and a vortex spinning machine is provided behind the station of the third drawing frame. A continuous vortex spinning path is formed between the cotton grabber, cotton blender, fine cotton opener, carding machine, first drawing frame, second drawing frame, third drawing frame and vortex spinning machine.

[0021] Preferably, a roving frame is provided behind the station of the second drawing frame, a spinning frame is provided behind the station of the roving frame, and a winding machine is provided behind the station of the spinning frame. A continuous path for compact spinning is formed between the cotton picker, cotton blender, cotton opener, carding machine, first drawing frame, second drawing frame, roving frame, spinning frame and winding machine.

[0022] The heavy object separator includes a shell and a rotating cage inside the shell. The inner cavity of the rotating cage is connected to the return air pipe II. A cotton stripping roller is provided on one side of the rotating cage. The cotton stripping roller is located in front of the outlet of the heavy object separator.

[0023] Multi-compartment cotton blending machine: This is a serpentine feeding multi-compartment cotton blending machine. The serpentine feeding multi-compartment cotton blending machine includes a cotton blending input pipe connected to the discharge port of the heavy object separator, a material discharge mechanism, multiple cotton blending compartments, a cotton feeding roller, a cotton equalization roller, a conveyor belt, and a cotton blending output pipe connected to conveyor pipe II. The material discharge mechanism includes a discharge pipe and an S-shaped material discharge channel. One end of the discharge pipe is connected to the cotton blending fan, and the other end is connected to the material discharge channel. The material discharge channel is connected to each cotton blending compartment.

[0024] There are multiple cotton feeding rollers, distributed below the cotton mixing bin, and the conveyor belt is located below the cotton feeding rollers;

[0025] There are multiple cotton blending rollers, distributed at the discharge port of the cotton blending machine.

[0026] In addition, a bridge-type magnetic separator is fitted onto conveying pipe II. The bridge-type magnetic separator is detachably installed on conveying pipe II. The bridge-type magnetic separator includes an inverted V-shaped drainage cavity and a powerful permanent magnet block disposed within the drainage cavity. A movable cleaning door is also fitted onto the drainage cavity, and the movable cleaning door is equipped with a handle. There are two powerful permanent magnet blocks, one distributed on the lower side of the feeding section of the drainage cavity, and the other distributed on the upper side of the discharging section of the drainage cavity.

[0027] In this technical solution, the positional relationships involved, such as "rear side of workstation", "front side of workstation", "between", "upper", "lower", "one side", "one end", "the other end", "previous workstation", and "next workstation", are defined according to the actual usage conditions and are conventional terms in this technical field, as well as conventional terms used by those skilled in the art in actual use.

[0028] In this technical solution, "arranged sequentially" specifically refers to the limitation of equipment positions based on the process and the material flow.

[0029] In the description of this technical solution, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "equipped with," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this technical solution based on the specific circumstances.

[0030] The beneficial technical effects of adopting this technical solution are as follows:

[0031] This utility model provides a control system based on a spinning production line, which can be well integrated with the spinning process. Specifically, by selecting specific control points (such as: channel cylinder I, channel cylinder II, separation motor, cotton blending motor, fine cotton opening motor, carding motor, etc.), it can effectively transport fiber materials and better connect various process links, ensuring the smooth and orderly operation of the spinning process. At the same time, it ensures the stability, controllability and traceability of the spinning process, and can better realize systematic control and management to meet the needs of yarn production. Attached Figure Description

[0032] Figure 1 This is a structural block diagram of the present invention;

[0033] Figure 2 This is a schematic diagram illustrating the working principle of this utility model;

[0034] Figure 3 This is a structural block diagram of the production line involved in this utility model;

[0035] Figure 4 This is a schematic diagram illustrating the working principle of the production line involved in this utility model;

[0036] Figure 5 This is a layout diagram of the cotton grabber, cotton blender, fine cotton opener and carding machine involved in this utility model;

[0037] Figure 6 This is a diagram showing the equipment layout for the vortex spinning method used in this invention.

[0038] Figure 7 This is a diagram showing the equipment layout for the compact spinning method used in this invention.

[0039] Figure 8 This is a top view of the multi-compartment cotton blending machine (specifically a six-compartment cotton blending machine) involved in this utility model;

[0040] Figure 9This is a front view of the multi-compartment cotton blending machine (specifically a six-compartment cotton blending machine) involved in this utility model;

[0041] Figure 10 This is a schematic diagram of the bridge-type magnetic iron separator involved in this utility model;

[0042] Figure 11 This is a partial circuit diagram of the control system involved in this invention;

[0043] In the diagram, 1 is a cotton grabber, 101 is a disc cotton grabber I, 102 is a disc cotton grabber II, 103 is an automatic separator I, and 104 is an automatic separator II.

[0044] 2. Multi-compartment cotton blending machine, 201. Cotton blending input pipe, 202. Discharge pipe, 203. Cotton blending compartment, 204. Cotton feeding roller, 205. Cotton evenness roller, 206. Conveyor belt, 207. Cotton blending output pipe, 208. Material discharge channel;

[0045] 3. Cotton opening machine; 4. Carding machine; 401. Cotton feeding hopper; 5. First drawing frame; 6. Second drawing frame; 7. Conveyor pipe I; 71. Impurity discharge port; 8. Heavy object separator; 801. Shell; 802. Rotary drum; 803. Cotton stripping roller; 804. Rotary drum inner cavity; 9. Cotton condenser; 10. Baling machine; 11. Conveyor pipe II; 12. Conveyor pipe III; 13. Sliver can; 14. Third drawing frame; 15. Vortex spinning machine; 16. Roving frame; 17. Spinning frame; 18. Winding machine;

[0046] 19. Cotton condensing fan; 20. Separating fan; 21. Cotton blending fan; 22. Fine opening fan; 23. Carding fan;

[0047] 24. Return air duct I; 25. Return air duct II; 26. Return air duct III; 27. Dust removal chamber; 28. Fiber separator and press.

[0048] 29. Bridge-type magnetic iron separator; 290. Drainage cavity; 291. High-strength permanent magnet; 292. Movable cleaning door; 293. Handle.

[0049] 30. PLC controller; 31. Separating cylinder I; 32. Separating cylinder II; 33. Separating motor; 34. Blending motor; 35. Fine opening motor; 36. Carding motor; 37. Cotton condensing motor.

[0050] 38. Solenoid valve I; 39. Solenoid valve II; 40. Separating frequency converter; 41. Blending frequency converter; 42. Pressure sensor I; 43. Fine opening frequency converter; 44. Infrared reflective electric sensor; 45. Carding frequency converter; 46. Pressure sensor II; 47. Pressure sensor III; 48. Infrared sensor; 49. Electromagnetic coil induction sensor; 50. Solenoid valve III; 54. Cotton condensing frequency converter.

[0051] 51. Waste discharge box; 52. Waste discharge movable door; 53. Waste discharge cylinder. Detailed Implementation

[0052] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0053] Example 1

[0054] This embodiment provides a control system suitable for a spinning production line, which is installed in the spinning production line.

[0055] Among them, such as Figure 3-5 As shown, the spinning production line includes a cotton grabber 1, a cotton blender, a fine cotton opener 3, a carding machine 4, a first drawing frame 5, and a second drawing frame 6 arranged in sequence. The cotton grabber 1 includes a disc cotton grabber I 101 and a disc cotton grabber II 102, which are connected by an automatic separator I 103. The automatic separator I 103 is connected to a multi-compartment cotton blender 2 via a conveying pipe I 7. A heavy object separator 8 is installed between the conveying pipe I 7 and the multi-compartment cotton blender 2. The discharge port of the material separator 8 is connected to the inlet of the multi-compartment cotton blender 2 via a cotton blending input pipe 201; the disc cotton grabber II 102 is connected to the condenser 9 via an automatic channel divider II 104, and a baler 10 is located below the condenser 9. The baler 10 is located in front of the station of the disc cotton grabber I 101 and behind or in front of the station of the disc cotton grabber II 102; the discharge port of the multi-compartment cotton blender 2 is connected to the fine cotton opener 3 via a conveying pipe II 11, and the fine cotton opener 3 is connected to the carding machine 4 via a conveying pipe III 12. The carding machine 4 is equipped with a cotton feeding hopper 401; a separation fan 20 is located at the inlet of the heavy material separator 8, a cotton blending fan 21 is located at the inlet of the multi-compartment cotton blender 2, a fine cotton opening fan 22 is located at the inlet of the fine cotton opener 3, and a carding fan 23 is located at the inlet of the carding machine 4.

[0056] like Figure 1-2 As shown, the control system includes a PLC controller 30, a channeling cylinder I 31 that drives the automatic channeling device I 103, a channeling cylinder II 32 that drives the automatic channeling device II 104, a separation motor 33 that drives the separation fan 20, a blending motor 34 that drives the blending fan 21, a fine opening motor 35 that drives the fine opening fan 22, and a carding motor 36 that drives the carding fan 23.

[0057] The distributor cylinder I31 is connected to the solenoid valve I38. The solenoid valve I38 is connected to the PLC controller 30 via an electrical signal. The solenoid valve I38, the PLC controller 30 and the distributor cylinder I31 form a control loop via an electrical signal.

[0058] The distributor cylinder II 32 is connected to the solenoid valve II 39. The solenoid valve II 39 is connected to the PLC controller 30 via an electrical signal. The solenoid valve II 39, the PLC controller 30 and the distributor cylinder II 32 form a control loop via an electrical signal.

[0059] The separate motor 33 is connected to the separate frequency converter 40. The separate frequency converter 40 is connected to the PLC controller 30 through electrical signals. The separate frequency converter 40, the PLC controller 30 and the separate motor 33 form a control loop through electrical signals.

[0060] The cotton blending motor 34 is connected to the cotton blending frequency converter 41, and the cotton blending frequency converter 41 is connected to the PLC controller 30 through an electrical signal; the cotton blending input pipe 201 is equipped with a pressure sensor I 42, and the pressure sensor I 42, the PLC controller 30, the cotton blending frequency converter 41 and the cotton blending motor 34 form a control loop through an electrical signal.

[0061] The cotton opening motor 35 is connected to the cotton opening frequency converter 43, and the cotton opening frequency converter 43 is connected to the PLC controller 30 through an electrical signal; the cotton opening machine 3 is equipped with an infrared reflective electrical sensor 44, and the infrared reflective electrical sensor 44, the PLC controller 30, the cotton opening frequency converter 43 and the cotton opening motor 35 form a control loop through an electrical signal.

[0062] The carding motor 36 is connected to the carding frequency converter 45, and the carding frequency converter 45 is connected to the PLC controller 30 via electrical signals; the conveying pipe Ⅲ 12 is equipped with a pressure sensor Ⅱ 46, and the cotton feeding hopper 401 is equipped with a pressure sensor Ⅲ 47. The pressure sensor Ⅱ 46, the pressure sensor Ⅲ, the PLC controller 30, the carding frequency converter 45 and the carding motor 36 form a control loop via electrical signals.

[0063] Among them, the PLC controller 30 is connected to the human-machine interface through the data input interface, the PLC controller 30 is connected to the data acquisition unit through the data feedback interface, and the PLC controller 30 is connected to the execution unit through the data output interface.

[0064] The PLC controller 30 includes a batching control unit, a cotton blending control unit, a fine cotton opening control unit, and a carding control unit;

[0065] The data acquisition unit is installed in the spinning production line. The data acquisition unit includes a group of sensors for data acquisition and transmission in the spinning production process. The sensor group includes solenoid valve I 38, solenoid valve II 39, separation frequency converter 40, cotton blending frequency converter 41, pressure sensor I 42, fine cotton opening frequency converter 43, infrared reflective electric sensor 44, carding frequency converter 45, pressure sensor II 46, and pressure sensor III.

[0066] The execution unit is located in the spinning production line. The execution unit includes a group of equipment for spinning production and control, including a channel cylinder I 31, a channel cylinder II 32, a separation motor 33, a cotton blending motor 34, a fine cotton opening motor 35, and a carding motor 36.

[0067] In one specific implementation, the PLC controller 30 is located in the LC electrical control cabinet, and the relevant circuit diagram is as follows: Figure 11 As shown.

[0068] Example 2

[0069] Based on Example 1, this example further specifies the following to better complete the cotton-grabbing process and ensure the effectiveness of the ingredient formulation:

[0070] The cotton condenser 9 is connected to the cotton condensing fan 19;

[0071] The control system also includes a condensing motor 37 that drives the condensing fan 19. The condensing motor 37 is connected to a condensing frequency converter 54. The condensing frequency converter 54 is connected to the PLC controller 30 via electrical signals. The condensing frequency converter 54, the PLC controller 30 and the condensing motor 37 form a control loop via electrical signals.

[0072] Example 3

[0073] Based on Examples 1-2, this example further limits the control of impurity removal during fiber material transportation and further explains the technical solution.

[0074] The conveying pipe I7 is equipped with an infrared sensor 48 (e.g., AMP-119A4 spark / spark detector) for detecting sparks, an electromagnetic coil induction sensor 49 (e.g., AMP-1000 metal detector) for detecting metal impurities, and a waste discharge port 71. Both the infrared sensor 48 and the electromagnetic coil induction sensor 49 are connected to the PLC controller 30 via electrical signals.

[0075] The discharge port 71 is connected to the discharge box 51, and a discharge door 52 is provided between the discharge port 71 and the discharge box 51. The discharge door 52 is controlled to open and close by the discharge cylinder 53. The discharge cylinder 53 is connected to the solenoid valve Ⅲ 50 through the air source pipe.

[0076] The infrared sensor 48, the electromagnetic coil induction sensor 49, the PLC controller 30, the solenoid valve Ⅲ 50, and the impurity discharge cylinder 53 form a control circuit through electrical signals.

[0077] Preferably, the distance between the infrared sensor 48 and / or the electromagnetic coil induction sensor 49 and the impurity discharge port 71 is 2.5-4m, so as to achieve a 0.05s delay in the action of the impurity discharge cylinder 53. The specific delay time also takes into account factors such as the conveying wind speed of the fiber material and the inner diameter of the conveying pipe I7.

[0078] Example 4

[0079] Based on Examples 1-3, this example further limits the control of impurity removal during fiber material transportation and further explains the technical solution.

[0080] The air outlet of the condenser 9 is connected to the dust removal chamber 27 through the return air pipe I 24, the air outlet of the heavy object separator 8 is connected to the dust removal chamber 27 through the return air pipe II 25, and the air outlet of the carding machine 4 is connected to the dust removal chamber 27 through the return air pipe III 26. The dust removal chamber 27 is equipped with a fiber separation and pressing device 28, which ensures the effective transportation of fiber materials and the cleanliness and stability of the working environment.

[0081] Example 5

[0082] Based on Examples 1-4, this example further defines a common production line segment used for different spinning methods, formed by the cotton grabber 1, cotton blender, fine cotton opener 3, carding machine 4, first drawing frame 5, and second drawing frame 6:

[0083] Behind the station of the second drawing frame 6 is a third drawing frame 14, and behind the station of the third drawing frame 14 is a vortex spinning machine 15. A continuous vortex spinning path is formed between the cotton grabber 1, the cotton blender, the fine cotton opener 3, the carding machine 4, the first drawing frame 5, the second drawing frame 6, the third drawing frame 14, and the vortex spinning machine 15 (e.g., Figure 6 ).

[0084] Behind the station of the second drawing frame 6, there is a roving frame 16, behind the station of the roving frame 16, there is a spinning frame 17, and behind the station of the spinning frame 17, there is a winding machine 18. The cotton picker 1, blender, fine cotton opener 3, carding machine 4, first drawing frame 5, second drawing frame 6, roving frame 16, spinning frame 17, and winding machine 18 form a continuous path for compact spinning (e.g., Figure 7 ).

[0085] This arrangement can effectively reduce the number of equipment, lower costs, and improve the operational flexibility of the production line. Furthermore, based on the specific settings of the disc cotton grabber I101, disc cotton grabber II102, and multi-compartment cotton blender 2, it ensures uniform mixing of fiber raw materials and subsequent spinning, thereby ensuring that this production line is suitable for different types of raw materials and different proportions of raw materials, indirectly improving the practicality of this control system.

[0086] The heavy object separator 8 includes a housing 801 and a rotating cage 802 located inside the housing 801. The inner cavity 804 of the rotating cage is connected to the return air pipe II 25. A cotton stripping roller 803 is provided on one side of the rotating cage 802. The cotton stripping roller 803 is located in front of the outlet of the heavy object separator 8.

[0087] Multi-compartment cotton blender 2: such as Figure 8-9 As shown, this is a serpentine feeding multi-compartment cotton blending machine 2. The serpentine feeding multi-compartment cotton blending machine 2 includes a cotton blending input pipe 201 connected to the discharge port of the heavy object separator 8, a material discharge mechanism, multiple cotton blending compartments 203, a cotton feeding roller 204, a cotton equalizing roller 205, a conveyor belt 206, and a cotton blending output pipe 207 connected to the conveying pipe II 11. The material discharge mechanism includes a discharge pipe 202 and an S-shaped material discharge channel 208. One end of the discharge pipe 202 is connected to the cotton blending fan 21, and the other end is connected to the material discharge channel 208. The material discharge channel 208 is connected to each cotton blending compartment 203.

[0088] There are multiple cotton feeding rollers 204, which are distributed below the cotton mixing bin 203, and the conveyor belt 206 is located below the cotton feeding rollers 204;

[0089] There are multiple 205 cotton blending rollers, distributed at the discharge port of the cotton blending machine.

[0090] In addition, a bridge-type magnetic iron remover 29 is fitted onto the conveying pipe II11 (such as...). Figure 10 As shown, the bridge-type magnetic separator 29 is detachably installed on the conveying pipe II11. The bridge-type magnetic separator 29 includes an inverted V-shaped drainage cavity 290 and a powerful permanent magnet block 291 disposed within the drainage cavity 290. A movable cleaning door 292 is also fitted onto the drainage cavity 290, and a handle 293 is provided on the movable cleaning door 292. There are two powerful permanent magnet blocks 291, one distributed on the lower side of the feeding section of the drainage cavity 290, and the other distributed on the upper side of the discharging section of the drainage cavity 290.

[0091] By installing heavy object separator 8, bridge-type magnetic iron remover 29 and impurity removal box 51, timely impurity removal is ensured, which facilitates subsequent spinning processes and improves yarn product quality. This is especially suitable for Lyocell fiber, which has strict requirements for raw material specifications.

[0092] Example 6

[0093] Based on Examples 1-5, this example provides a spinning production process, specifically including cotton grabbing process, cotton blending process, fine cotton opening process, cotton carding process, first drawing process and second drawing process;

[0094] S1 Cotton Grabbing Process: The fiber raw material bales are fed into the disc cotton grabber I or / and disc cotton grabber II, and the bales are arranged, cotton is grabbed and mixed according to the type and ratio of the raw materials.

[0095] S2 Cotton Blending Process: The fiber material processed in step S1 is fed into a multi-compartment cotton blender for further blending;

[0096] S3 Fine opening process: The fiber material processed in step S2 is fed into the fine opening machine for loosening;

[0097] S4 Carding process: The fiber material processed in step S3 is fed into the carding machine, the carding control parameters are adjusted, the carding is opened and separated, and the sliver is obtained.

[0098] S5 First drawing process: The raw strips processed in step S4 are fed into the first drawing machine for first drawing to obtain one drawing strip;

[0099] S6 Second drawing process: The first drawing strip processed in step S5 is fed into the second drawing machine for second drawing to obtain the second drawing strip;

[0100] When using vortex spinning, the two drawing slivers processed in step S6 are fed into a three-drawing frame for three-drawing to obtain a three-drawing sliver; then, the three-drawing slivers are fed into a vortex spinning machine, the vortex spinning control parameters are adjusted, and spinning is performed to obtain vortex spun yarn.

[0101] When using the compact spinning method, the two slivers processed in step S6 are fed into the roving frame, the spinning control parameters in the roving frame are adjusted, and spinning is performed to obtain roving; then, the roving is fed into the spinning frame, the spinning control parameters in the spinning frame are adjusted, and spinning is performed to obtain fine yarn; the fine yarn is fed into the winding machine, the winding control parameters are adjusted, and winding is performed to obtain compact spun yarn.

[0102] Specifically, depending on the downstream demand for product specifications, the corresponding spinning method can be adopted, and the corresponding production line can be selected. At the same time, the corresponding control parameters can be adjusted to ultimately produce different yarn products.

[0103] In addition, before the cotton blending process in step S2, a heavy object separator is used to separate heavy impurities. This improves the purity of the fiber material, thus improving the quality of the subsequent yarn, and also ensures the sustainability and continuity of the subsequent processes.

[0104] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A control system suitable for spinning production lines, characterized in that: Set in a spinning production line, the spinning production line includes a cotton grabber (1), a cotton blender, a fine cotton opener (3), a carding machine (4), a first drawing frame (5), and a second drawing frame (6) arranged in sequence. The cotton grabber (1) includes a disc cotton grabber I (101) and a disc cotton grabber II (102). The disc cotton grabber I (101) and the disc cotton grabber II (102) are connected by an automatic distributor I (103). The automatic distributor I (103) is connected to a multi-compartment cotton blender (2) through a conveying pipe I (7). A heavy object separator (8) is provided between pipe I (7) and the multi-compartment cotton blender (2). The outlet of the heavy object separator (8) is connected to the inlet of the multi-compartment cotton blender (2) through a cotton blending input pipe (201). The disc cotton grabber II (102) is connected to the cotton condenser (9) through an automatic channel divider II (104). A baler (10) is provided below the cotton condenser (9). The baler (10) is located in front of the station of the disc cotton grabber I (101) and behind or in front of the station of the disc cotton grabber II (102). The discharge port of the multi-compartment cotton blender (2) is connected to the fine cotton opener (3) through the conveying pipe II (11), and the fine cotton opener (3) is connected to the carding machine (4) through the conveying pipe III (12). The carding machine (4) is equipped with a cotton feeding hopper (401). The heavy object separator (8) is equipped with a separation fan (20) at the feed inlet, the multi-compartment cotton blender (2) is equipped with a cotton blending fan (21) at the feed inlet, the fine cotton opener (3) is equipped with a fine cotton opener fan (22) at the feed inlet, and the carding machine (4) is equipped with a carding fan (23) at the feed inlet. The control system includes a PLC controller (30), a channeling cylinder I (31) that drives the automatic channeling device I (103), a channeling cylinder II (32) that drives the automatic channeling device II (104), a separation motor (33) that drives the separation fan (20), a blending motor (34) that drives the blending fan (21), a fine opening motor (35) that drives the fine opening fan (22), and a carding motor (36) that drives the carding fan (23). The split cylinder I (31) is connected to the solenoid valve I (38). The solenoid valve I (38) is connected to the PLC controller (30) via electrical signals. The solenoid valve I (38), the PLC controller (30) and the split cylinder I (31) form a control loop via electrical signals. The split cylinder II (32) is connected to a solenoid valve II (39). The solenoid valve II (39) is connected to the PLC controller (30) via an electrical signal. The solenoid valve II (39), the PLC controller (30) and the split cylinder II (32) form a control loop via an electrical signal. The separate motor (33) is connected to the separate frequency converter (40). The separate frequency converter (40) and the PLC controller (30) are connected by electrical signals. The separate frequency converter (40), the PLC controller (30) and the separate motor (33) form a control loop through electrical signals. The cotton blending motor (34) is connected to the cotton blending frequency converter (41), and the cotton blending frequency converter (41) is connected to the PLC controller (30) via electrical signals; a pressure sensor I (42) is provided on the cotton blending input pipe (201), and a control loop is formed between the pressure sensor I (42), the PLC controller (30), the cotton blending frequency converter (41) and the cotton blending motor (34) via electrical signals; The cotton opening motor (35) is connected to the cotton opening frequency converter (43), and the cotton opening frequency converter (43) is connected to the PLC controller (30) by electrical signals; the cotton opening machine (3) is equipped with an infrared reflective electric sensor (44), and the infrared reflective electric sensor (44), the PLC controller (30), the cotton opening frequency converter (43) and the cotton opening motor (35) form a control loop by electrical signals; The carding motor (36) is connected to the carding frequency converter (45), and the carding frequency converter (45) is connected to the PLC controller (30) by electrical signals; the conveying pipe III (12) is equipped with pressure sensor II (46), and the cotton feeding hopper (401) is equipped with pressure sensor III (47). The pressure sensor II (46), pressure sensor III, PLC controller (30), carding frequency converter (45) and carding motor (36) form a control loop through electrical signals.

2. The control system according to claim 1, characterized in that: The cotton condenser (9) is connected to a cotton condensing fan (19). The control system also includes a condensing motor (37) that drives the condensing fan (19) to run. The condensing motor (37) is connected to a condensing frequency converter (54). The condensing frequency converter (54) and the PLC controller (30) are connected by electrical signals. The condensing frequency converter (54), the PLC controller (30) and the condensing motor (37) form a control loop through electrical signals.

3. The control system according to claim 1, characterized in that: The conveying pipe I (7) is equipped with an infrared sensor (48) for detecting sparks, an electromagnetic coil induction sensor (49) for detecting metal impurities, and a discharge port (71). The infrared sensor (48) and the electromagnetic coil induction sensor (49) are both connected to the PLC controller (30) via electrical signals. The discharge port (71) is connected to the discharge box (51), and a discharge door (52) is provided between the discharge port (71) and the discharge box (51). The discharge door (52) is controlled to open and close by the discharge cylinder (53). The discharge cylinder (53) is connected to the solenoid valve III (50) through the air source pipe. An infrared sensor (48), an electromagnetic coil induction sensor (49), a PLC controller (30), a solenoid valve III (50), and a waste discharge cylinder (53) form a control circuit through electrical signals.

4. The control system according to claim 3, characterized in that: The distance between the infrared sensor (48) and / or the electromagnetic coil sensor (49) and the waste discharge port (71) is 2.5-4m.

5. The control system according to any one of claims 1-4, characterized in that: The outlet of the cotton condenser (9) is connected to the dust removal chamber (27) through the return air pipe I (24), the outlet of the heavy object separator (8) is connected to the dust removal chamber (27) through the return air pipe II (25), and the outlet of the carding machine (4) is connected to the dust removal chamber (27) through the return air pipe III (26); the dust removal chamber (27) is equipped with a fiber separation and pressing device (28).

6. The control system according to any one of claims 1-4, characterized in that: The second drawing frame (6) is equipped with a third drawing frame (14) at the rear of its station, and a vortex spinning machine (15) is equipped with a third drawing frame (14) at the rear of its station. A continuous vortex spinning path is formed between the cotton grabber (1), cotton blender, cotton opener (3), carder (4), first drawing frame (5), second drawing frame (6), third drawing frame (14) and vortex spinning machine (15).

7. The control system according to any one of claims 1-4, characterized in that: The second drawing frame (6) is also equipped with a roving frame (16) at the rear of its station, a spinning frame (17) at the rear of its station, and a winding machine (18) at the rear of its station. The cotton picker (1), blender, fine cotton opener (3), carder (4), first drawing frame (5), second drawing frame (6), roving frame (16), spinning frame (17) and winding machine (18) form a continuous path for tight spinning.

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