Feeding system of feeding machine for cotton processing

Abstract

The invention is applicable to the technical field of feeding of feeding machines, and provides a feeding system of a feeding machine for cotton processing, which comprises a feeding frame fixedly mounted at the feeding position of the feeding machine; the feeding frame comprises a fixed cylinder; a rotating part is hermetically and rotationally arranged at the end of the fixed cylinder; the rotating part comprises a negative pressure pipe; four groups of partition plates in sliding fit with the inner wall of the fixed cylinder are uniformly fixed on the outer wall of the negative pressure pipe; the outer wall of the negative pressure pipe is communicated with a plurality of guide pipes on the two sides of the corresponding partition plate; the two opposite guide pipes are coaxially arranged; a filter cartridge is arranged between the two opposite guide pipes in a sliding manner; sliding rods are symmetrically fixed between the two conical plugging heads; according to the device, cotton is sucked in by controlling negative pressure to be formed between the two adjacent partition plates close to the feeding port, continuous negative pressure conveying of the cotton can be completed without shutdown by controlling rotation of the rotating part, and the feeding efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of feeding technology for feeding machines, and more specifically, to a feeding system for a feeding machine used in cotton processing. Background Technology

[0002] Cotton fibers can be made into fabrics of various specifications to make all kinds of clothes, furniture fabrics and industrial fabrics. Clothes and fabrics made of cotton are tough and wear-resistant, and can be washed and ironed repeatedly. At the same time, because it can quickly absorb and remove moisture, cotton products are widely produced.

[0003] In the existing technology, cotton needs to go through multiple processing steps from picking to being used by people. Cotton processing requires large cotton processing equipment, which needs to continuously feed cotton into it during processing.

[0004] Because cotton is lightweight, it is easy for it to fall off using traditional conveying methods, and the transportation efficiency is low. Therefore, most cotton is transported using pipeline-type negative pressure equipment. Current negative pressure cotton conveying equipment uses a fan to increase suction, and the cotton is adsorbed onto the filter screen at the air duct port. After the cotton accumulates to a certain extent, the fan needs to be stopped, and then the air duct near the filter screen is opened. A scraper is used to scrape off and remove the cotton, completing one cotton conveying operation. After that, the air duct is closed and the fan is used again to convey cotton under negative pressure. The transportation efficiency is low, and the fan needs to be frequently turned on and off, making the operation cumbersome. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the present invention aims to provide a feeding system for a cotton processing feeder. By controlling the formation of a negative pressure between two adjacent baffles near the feed inlet, cotton is drawn in. By controlling the rotation of the rotating part, continuous negative pressure conveying of cotton can be completed without stopping the machine, thereby improving feeding efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A feeding system for a cotton processing feeder includes a feeding frame fixedly installed at the feeder's inlet; the feeding frame includes a fixed cylinder; a rotating part is rotatably and sealed at the end of the fixed cylinder; the rotating part includes a negative pressure pipe; four sets of partitions that slide against the inner wall of the fixed cylinder are uniformly fixed to the outer wall of the negative pressure pipe; several guide pipes are respectively connected to both sides of the corresponding partitions on the outer wall of the negative pressure pipe; two opposite guide pipes are coaxially arranged; a filter cylinder is slidably arranged between two opposite guide pipes; the filter cylinder has two ends... Each tube is fixed with a conical sealing head; the outer wall of the negative pressure pipe is uniformly provided with a group of ventilation openings; the axial length of the ventilation opening group is less than the inner diameter of the negative pressure pipe; a sliding rod is symmetrically fixed between the two conical sealing heads; a stop block is fixed to the outer wall of the sliding rod; a return spring sleeved on the corresponding sliding rod is fixed between the opposite sides of the stop block and the inner wall of the negative pressure pipe; a feed inlet is connected to the outer wall of the fixed cylinder, and an air supply pipe is connected to its outer wall; a discharge port is opened on the bottom surface of the fixed cylinder; an arc-shaped baffle is slidably provided on the side of the discharge port.

[0007] The invention is further configured such that: a C-shaped mounting plate is fixed to one end of the fixed cylinder; a controller is fixedly mounted on the side of the C-shaped mounting plate; a first bushing is fixedly inserted through the end of the fixed cylinder; a negative pressure fan is fixedly mounted on the side of the C-shaped mounting plate; the output end of the controller is electrically connected to the negative pressure fan; a second bushing is provided at the output end of the negative pressure fan; one end of the negative pressure pipe is sealed, and the other end is connected to a hollow rotating shaft that is sealed and rotates in cooperation with the first bushing and the second bushing.

[0008] The invention is further configured such that: a first gear is fixed to the outer wall of the hollow rotating shaft; a servo motor is fixedly mounted on the side of the C-shaped mounting plate; the output end of the controller is electrically connected to the servo motor; and a second gear that meshes with the first gear is fixed to the output end of the servo motor.

[0009] The invention is further configured such that: a sealing groove is provided on the side of the discharge port; a sealing plate that slides with the sealing groove is fixed on the side of the arc-shaped baffle; a toothed plate is fixed on the outer wall of the arc-shaped baffle; an L-shaped plate is fixed on the outer wall of the fixed cylinder; a drive motor is fixedly installed on the surface of the L-shaped plate; the output end of the controller is electrically connected to the drive motor; and a third gear that meshes with the toothed plate is fixed on the output end of the drive motor.

[0010] The invention is further configured such that: a support plate is fixed to the outer wall of the fixed cylinder; a blower is fixedly installed on the surface of the support plate; the output end of the controller is electrically connected to the blower; and sliding holes that cooperate with the sliding rod are symmetrically opened at the end of the guide tube.

[0011] The present invention is further configured such that: an exhaust pipe is connected to the outer wall of the air supply pipe; a first solenoid valve is provided on the exhaust pipe; a connecting pipe is connected to the top of the fixed cylinder; a second solenoid valve is provided on the connecting pipe; and the output terminal of the controller is electrically connected to the first solenoid valve and the second solenoid valve respectively.

[0012] The invention is further configured such that: a conveyor frame is fixedly installed on the outer wall of the fixed cylinder below the discharge port; conveyor rollers are symmetrically and rotatably arranged through the inner walls of the conveyor frame; a conveyor belt adapted to the two conveyor rollers is driven between them; a drive motor is fixedly installed on the side of the conveyor frame; the output end of the drive motor is fixedly connected to the end of one conveyor roller; and the output end of the controller is electrically connected to the drive motor.

[0013] The advantages of this invention are: This invention draws in cotton by creating a negative pressure between two adjacent baffles near the feed inlet. By controlling the rotation of the rotating part, continuous negative pressure conveying of cotton can be completed without stopping the machine, thus improving feeding efficiency.

[0014] This invention utilizes the coordinated use of its components to ensure that only the chamber connected to the feed inlet (negative pressure chamber) can connect to the negative pressure source through the filter cartridge, forming an effective negative pressure adsorption zone. The remaining chambers are isolated from the negative pressure source, thereby enabling continuous cotton intake and discharge without stopping the machine. Under a certain negative pressure environment maintained by the negative pressure pipe, the maximum negative pressure adsorption force can be generated between the two corresponding partitions. At the same time, it avoids affecting the normal discharge from the outlet, thus improving the practicality of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the feeding system of a cotton processing feeder according to the present invention.

[0016] Figure 2 This is a structural schematic diagram of the feeding rack of the present invention from a frontal view.

[0017] Figure 3 This is a schematic diagram of the feeding rack of the present invention.

[0018] Figure 4 This is a schematic diagram of the structure of the rotating part and the negative pressure pipe assembly of the present invention.

[0019] Figure 5 For the present invention Figure 4 A structural diagram from a frontal viewpoint.

[0020] Figure 6 For the present invention Figure 5 Enlarged view of region A.

[0021] Figure 7This is a schematic diagram of the rotating part of the present invention.

[0022] Figure 8 For the present invention Figure 7 Enlarged view of region B.

[0023] Figure 9 This is a schematic diagram of the filter cartridge of the present invention.

[0024] Figure 10 This is a schematic diagram of the workflow of the present invention.

[0025] In the diagram: 1. Feeding rack; 2. Fixed cylinder; 3. Rotating part; 4. Negative pressure pipe; 5. Baffle plate; 6. Guide pipe; 7. Filter cylinder; 8. Conical sealing head; 9. Ventilation port assembly; 10. Sliding rod; 11. Stop block; 12. Return spring; 13. Feed inlet; 14. Air supply pipe; 15. Discharge port; 16. Arc-shaped baffle; 17. C-shaped mounting plate; 18. Controller; 19. First bushing; 20. Negative pressure fan; 21. Second bushing; 22. Air... 23. Rotary shaft; 24. First gear; 25. Servo motor; 26. Second gear; 27. Sealing groove; 28. Sealing plate; 29. ​​Toothed plate; 30. L-shaped plate; 31. Drive motor; 32. Third gear; 33. Support plate; 34. Blower; 35. Exhaust pipe; 36. First solenoid valve; 37. Connecting pipe; 38. Second solenoid valve; 39. Conveyor frame; 40. Conveyor roller; 41. Conveyor belt; 42. Drive motor; 43. Sliding hole. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0029] Example 1, please refer to Figure 1-10 The present invention provides the following technical solutions: A feeding system for a cotton processing feeder specifically includes a feeding frame 1 fixedly installed at the feeder's inlet; the feeding frame 1 includes a fixed cylinder 2; a rotating part 3 is rotatably and sealed at the end of the fixed cylinder 2; the rotating part 3 includes a negative pressure pipe 4; four sets of partitions 5 are uniformly fixed to the outer wall of the negative pressure pipe 4 and slide in cooperation with the inner wall of the fixed cylinder 2; several guide pipes 6 are respectively connected to the outer wall of the negative pressure pipe 4 on both sides of the corresponding partitions 5; two guide pipes 6 are coaxially arranged; a filter cylinder 7 is slidably arranged between the two guide pipes 6; and cones are fixed at both ends of the filter cylinder 7. The conical sealing head 8; the outer wall of the negative pressure pipe 4 is evenly provided with ventilation openings 9; the axial length of the ventilation openings 9 is less than the inner diameter of the negative pressure pipe 4; the two conical sealing heads 8 are symmetrically fixed with sliding rods 10; the outer wall of the sliding rods 10 is fixed with a stop block 11; the two opposite sides of the stop block 11 are fixed with a return spring 12 sleeved on the corresponding sliding rod 10; the outer wall of the fixed cylinder 2 is connected with a feed inlet 13, and its outer wall is connected with an air supply pipe 14; the bottom surface of the fixed cylinder 2 is provided with a discharge port 15; the side of the discharge port 15 is slidably provided with an arc-shaped baffle 16.

[0030] Working principle of this embodiment: By controlling the negative pressure between two adjacent baffles 5 near the feed inlet 13, cotton is drawn in. By controlling the rotation of the rotating part 3, continuous negative pressure delivery of cotton can be completed without stopping the machine, thus improving the feeding efficiency. Through the cooperation between the components, only the chamber connected to the feed inlet 13 (negative pressure chamber) can be connected to the negative pressure source through the filter cylinder 7 to form an effective negative pressure adsorption zone, while the other chambers are isolated from the negative pressure source. This allows for continuous cotton intake and discharge without stopping the machine. Under a certain negative pressure environment maintained by the negative pressure pipe 4, the maximum negative pressure adsorption force can be generated between the two corresponding baffles 5. At the same time, it avoids affecting the normal discharge of the outlet 15, thus improving the practicality of the device.

[0031] Example 2, please refer to Figure 1-10 This second embodiment is an improvement on the first embodiment as follows: Specifically, a C-shaped mounting plate 17 is fixed to one end of the fixed cylinder 2; a controller 18 is fixedly mounted on the side of the C-shaped mounting plate 17; a first bushing 19 is fixedly fixed through the end of the fixed cylinder 2; a negative pressure fan 20 is fixedly mounted on the side of the C-shaped mounting plate 17; the output end of the controller 18 is electrically connected to the negative pressure fan 20; a second bushing 21 is provided at the output end of the negative pressure fan 20; one end of the negative pressure pipe 4 is sealed, and the other end is connected to a hollow rotating shaft 22 that is sealed and rotates with the first bushing 19 and the second bushing 21.

[0032] A first gear 23 is fixed to the outer wall of the hollow rotating shaft 22; a servo motor 24 is fixedly mounted on the side of the C-shaped mounting plate 17; the output end of the controller 18 is electrically connected to the servo motor 24; a second gear 25 that meshes with the first gear 23 is fixed to the output end of the servo motor 24.

[0033] A sealing groove 26 is provided on the side of the discharge port 15; a sealing plate 27 that slides and engages with the sealing groove 26 is fixed on the side of the arc-shaped baffle 16; a toothed plate 28 is fixed on the outer wall of the arc-shaped baffle 16; an L-shaped plate 29 is fixed on the outer wall of the fixed cylinder 2; a drive motor 30 is fixedly installed on the surface of the L-shaped plate 29; the output end of the controller 18 is electrically connected to the drive motor 30; a third gear 31 that meshes with the toothed plate 28 is fixed on the output end of the drive motor 30.

[0034] A support plate 32 is fixed to the outer wall of the fixed cylinder 2; a blower 33 is fixedly installed on the surface of the support plate 32; the output end of the controller 18 is electrically connected to the blower 33; and sliding holes 42 that cooperate with the slide rod 10 are symmetrically opened at the end of the guide tube 6.

[0035] An exhaust pipe 34 is connected to the outer wall of the air supply pipe 14; a first solenoid valve 35 is installed on the exhaust pipe 34; a connecting pipe 36 is connected to the top of the fixed cylinder 2; a second solenoid valve 37 is installed on the connecting pipe 36; the output terminal of the controller 18 is electrically connected to the first solenoid valve 35 and the second solenoid valve 37 respectively.

[0036] A conveyor frame 38 is fixedly installed on the outer wall of the fixed cylinder 2 below the discharge port 15; conveyor rollers 39 are symmetrically and rotatably arranged between the inner walls of the conveyor frame 38; a conveyor belt 40 adapted to the two conveyor rollers 39 is driven between them; a drive motor 41 is fixedly installed on the side of the conveyor frame 38; the output end of the drive motor 41 is fixedly connected to the end of one of the conveyor rollers 39; the output end of the controller 18 is electrically connected to the drive motor 41.

[0037] Working principle of this embodiment two: Note: A negative pressure chamber is formed between the two adjacent partitions 5 connected to the feed inlet 13 and the fixed cylinder 2. In the counterclockwise rotation direction, the other two adjacent partitions 5 sequentially form a material discharge chamber, a pressurization chamber and a reset chamber.

[0038] In the initial state, the negative pressure chamber, the material discharge chamber, the pressurization chamber and the reset chamber are all in a positive pressure environment. The material discharge chamber is connected to the external environment through the discharge port 15. The ventilation ports 9 on each filter cylinder 7 are placed inside the negative pressure pipe 4. The corresponding reset springs 12 are all in their natural length (i.e., the initial state, neither stretched nor contracted).

[0039] When the vent assembly 9 on the filter cartridge 7 is inside the negative pressure pipe 4, both ends of the filter cartridge 7 are sealed by the conical sealing head 8, preventing air from passing through; when the vent assembly 9 slides out of the negative pressure pipe 4 and is exposed in a certain chamber, the chamber is connected to the inside of the negative pressure pipe 4 through the filter cartridge 7.

[0040] The blower 33 is started and air is blown into the pressurization chamber through the air supply pipe 14. As the air pressure inside the pressurization chamber gradually increases, it pushes the horizontally arranged filter cylinders 7 to slide towards the feed inlet 13. The return springs 12 corresponding to the positions near the feed inlet 13 are stretched, and the return springs 12 corresponding to the positions away from the feed inlet 13 are compressed. This causes some of the ventilation port groups 9 on the horizontally arranged filter cylinders 7 to slide out of the negative pressure pipe 4 and into the negative pressure chamber, so that the negative pressure chamber and the negative pressure pipe 4 are connected through the corresponding horizontally arranged filter cylinders 7.

[0041] The negative pressure fan 20 is started, causing the air in the negative pressure chamber to be drawn out by the corresponding horizontally arranged filter cartridge 7, creating a negative pressure environment inside the negative pressure chamber and realizing negative pressure transportation of cotton. The blower 33 is then turned off, releasing the air from the pressurization chamber. The pressurization chamber is connected to the external environment through the blower 33. Subsequently, the air pressure inside the pressurization chamber gradually decreases to match atmospheric pressure. At this time, since the environment inside the negative pressure chamber is negative, the corresponding horizontally arranged filter cartridge 7 receives the pressure difference between the negative pressure chamber and the pressurization chamber, and continues to maintain the negative pressure extraction state without change.

[0042] After the negative pressure chamber is evacuated for a certain period of time, the servo motor 24 is started to drive the second gear 25 to rotate slowly, which in turn drives the first gear 23 to rotate slowly, causing the negative pressure pipe 4 and each set of filter cylinders 7 to rotate slowly. When the partition 5 corresponding to the negative pressure chamber rotates from above the feed inlet to below it, the reset chamber is connected to the negative pressure chamber. The air in the reset chamber is drawn away to form a negative pressure environment, while the material discharge chamber connected to it is a positive pressure environment. This causes the corresponding filter cylinder 7 to slide towards the reset chamber, causing the corresponding ventilation hole group 9 to move and be exposed in the reset chamber. When the partition 5 corresponding to the negative pressure chamber rotates below the feed inlet, the original negative pressure chamber is connected to the external environment through the discharge port 15, causing the pressure inside the original negative pressure chamber to gradually increase to be consistent with the external environment. Under the elastic reset action of the corresponding reset spring 12, the originally horizontally arranged filter cylinder 7 slides back to its original position, causing the corresponding ventilation hole group 9 to slide back to its original position and be stored inside the negative pressure pipe 4.

[0043] The cotton adsorbed by negative pressure rotates with the rotating part 3 to above the discharge port 15 and falls onto the arc-shaped baffle 16. The control starts the drive motor 30 to drive the third gear 31 to rotate, thereby causing the arc-shaped baffle 16 to slide away from the discharge port 15. The corresponding cotton falls onto the conveyor belt 40. The control starts the transmission motor 41 to drive the corresponding conveyor roller 39 to rotate, thereby causing the conveyor belt 40 to output the cotton to the feeder inlet. The above operation is repeated to complete the continuous negative pressure conveying of cotton (the pressurization chamber only performs a pressurization operation once at the beginning, and no further repetition is required).

[0044] Obviously, the embodiments described above are merely some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention.

[0045] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0046] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0047] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

[0048] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions falling within the scope of the present invention's concept are within the scope of protection of the present invention. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A feeding system for a cotton processing feeder, comprising a feeding frame (1) fixedly installed at the feeder inlet; characterized in that: The feeding rack (1) includes a fixed cylinder (2); a rotating part (3) is provided at the end of the fixed cylinder (2) in a sealed rotatable manner; the rotating part (3) includes a negative pressure pipe (4); four sets of partitions (5) that slide and cooperate with the inner wall of the fixed cylinder (2) are uniformly fixed on the outer wall of the negative pressure pipe (4); a number of guide pipes (6) are respectively connected to the two sides of the corresponding partitions (5) on the outer wall of the negative pressure pipe (4); the two guide pipes (6) are coaxially arranged. A filter cylinder (7) is slidably disposed between the two guide tubes (6); a conical sealing head (8) is fixed at both ends of the filter cylinder (7); a group of ventilation openings (9) is evenly opened on the outer wall of the negative pressure pipe (4); the axial length of the group of ventilation openings (9) is less than the inner diameter of the negative pressure pipe (4); a sliding rod (10) is symmetrically fixed between the two conical sealing heads (8); a stop block (11) is fixed on the outer wall of the sliding rod (10); a return spring (12) sleeved on the corresponding sliding rod (10) is fixed between the two opposite sides of the stop block (11) and the inner wall of the negative pressure pipe (4); The outer wall of the fixed cylinder (2) is connected to the feed inlet (13) and the outer wall is connected to the air supply pipe (14); the bottom surface of the fixed cylinder (2) is provided with the discharge port (15); the side of the discharge port (15) is slidably provided with an arc-shaped baffle (16).

2. The feeding system of a cotton processing feeder according to claim 1, characterized in that: A C-shaped mounting plate (17) is fixed to one end of the fixed cylinder (2); a controller (18) is fixedly mounted on the side of the C-shaped mounting plate (17); a first bushing (19) is fixedly fixed through the end of the fixed cylinder (2); a negative pressure fan (20) is fixedly mounted on the side of the C-shaped mounting plate (17); the output end of the controller (18) is electrically connected to the negative pressure fan (20); a second bushing (21) is provided at the output end of the negative pressure fan (20); one end of the negative pressure pipe (4) is sealed, and the other end is connected to a hollow rotating shaft (22) that is sealed and rotates with the first bushing (19) and the second bushing (21).

3. The feeding system of a cotton processing feeder according to claim 2, characterized in that: The hollow rotating shaft (22) has a first gear (23) fixed on its outer wall; the C-shaped mounting plate (17) has a servo motor (24) fixedly mounted on its side; the output end of the controller (18) is electrically connected to the servo motor (24); the output end of the servo motor (24) has a second gear (25) that meshes with the first gear (23).

4. The feeding system of a cotton processing feeder according to claim 3, characterized in that: A sealing groove (26) is provided on the side of the discharge port (15); a sealing plate (27) that slides with the sealing groove (26) is fixed on the side of the arc-shaped baffle (16); a toothed plate (28) is fixed on the outer wall of the arc-shaped baffle (16); an L-shaped plate (29) is fixed on the outer wall of the fixed cylinder (2); a drive motor (30) is fixedly installed on the surface of the L-shaped plate (29); the output end of the controller (18) is electrically connected to the drive motor (30); a third gear (31) that meshes with the toothed plate (28) is fixed on the output end of the drive motor (30).

5. The feeding system of a cotton processing feeder according to claim 4, characterized in that: The outer wall of the fixed cylinder (2) is fixed with a support plate (32); a blower (33) is fixedly installed on the surface of the support plate (32); the output end of the controller (18) is electrically connected to the blower (33); the end of the guide tube (6) is symmetrically provided with sliding holes (42) that cooperate with the slide rod (10).

6. The feeding system of a cotton processing feeder according to claim 5, characterized in that: An exhaust pipe (34) is connected to the outer wall of the air supply pipe (14); a first solenoid valve (35) is provided on the exhaust pipe (34); a connecting pipe (36) is connected to the top of the fixed cylinder (2); a second solenoid valve (37) is provided on the connecting pipe (36); the output end of the controller (18) is electrically connected to the first solenoid valve (35) and the second solenoid valve (37) respectively.

7. The feeding system of a cotton processing feeder according to claim 6, characterized in that: A conveyor frame (38) is fixedly installed on the outer wall of the fixed cylinder (2) below the discharge port (15); conveyor rollers (39) are symmetrically and rotatably arranged between the inner walls of the conveyor frame (38); a conveyor belt (40) adapted to the two conveyor rollers (39) is driven between them; a drive motor (41) is fixedly installed on the side of the conveyor frame (38); the output end of the drive motor (41) is fixedly connected to the end of one conveyor roller (39); the output end of the controller (18) is electrically connected to the drive motor (41).

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