Cotton weighing machine

Abstract

The utility model relates to the technical field of textile machinery, in particular to a cotton weighing machine which comprises a rack, a plurality of cotton storage boxes are arranged on the rack and arranged in the length direction of the rack, a feeding port and a discharging port are formed in each cotton storage box, and a control assembly for controlling the flow speed of cotton silk is arranged at the discharging port of each cotton storage box. The machine frame is provided with a weighing assembly used for weighing the cotton silks discharged from the discharging opening and a conveying piece used for conveying the weighed cotton silks, the conveying piece comprises a conveying belt rotationally arranged on the machine frame, and the conveying belt is arranged in the arrangement direction of the multiple cotton storage boxes. The cotton silk weighing device has the effects of facilitating weighing and improving the cotton silk weighing quality accuracy.

Description

Technical Field

[0001] The present application relates to the technical field of textile machinery, and in particular to a cotton weighing machine. Background Art

[0002] A cotton weighing machine is a mechanical equipment used in the textile industry. It is mainly used to mix different types of fibers in a certain proportion to improve fiber quality and reduce costs during the spinning process.

[0003] A Chinese patent with announcement number CN213148024U discloses a cotton weighing machine based on PLC program control, including a machine body, the upper end surface of the machine body is flipped and connected to a cotton weighing base, a fixing rod extends from the corner of the upper end surface of the cotton weighing base, a protective piece is provided at the rear end of the fixing rod, and the upper end of the cotton weighing base is flipped and connected to a blocking slide.

[0004] During the use of the above technology, when different types of fibers need to be mixed, workers are required to put the cotton threads into the machine body and weigh them separately. After weighing, they are manually transferred out of the machine body and mixed. This operation process is relatively cumbersome, which leads to additional increase in the labor intensity of the workers and has shortcomings. Utility Model Content

[0005] In order to reduce the labor intensity of workers, the present application provides a cotton weighing machine.

[0006] The present application provides a cotton weighing machine adopting the following technical solution:

[0007] A cotton weighing machine comprises a frame, on which a plurality of cotton storage boxes are arranged along the length direction of the frame, a feed port and a discharge port are provided on the cotton storage boxes, a control component for controlling the flow rate of cotton yarn is provided at the discharge port of the cotton storage box, a weighing component for weighing the cotton yarn discharged from the discharge port is provided on the frame, and a conveying member for conveying the weighed cotton yarn is provided on the frame, the conveying member comprises a conveyor belt rotatably provided on the frame, and the conveyor belt is arranged along the arrangement direction of the plurality of cotton storage boxes.

[0008] By adopting the above technical scheme, the cotton suction machine sucks the cotton threads into the cotton storage box for storage. When a certain mass of cotton threads needs to be weighed, the control component controls the cotton threads in the cotton storage box to be discharged to the weighing area where the weighing component is located. The weighed cotton threads will be discharged to the conveyor belt and then conveyed to the cotton thread mixing area together with the weighed cotton threads in other cotton storage boxes. This process does not require workers to transfer the weighed cotton threads, which is beneficial to reducing the labor intensity of workers.

[0009] Optionally, the cotton storage box is provided with a photoelectric sensor electrically connected to a control system, and the photoelectric sensor is used to control the amount of cotton fibers in the cotton storage box.

[0010] By adopting the above technical solution, when the cotton threads in the cotton storage box are reduced to trigger the photoelectric sensor, the photoelectric sensor feeds back the signal to the control system, and the control system controls the external cotton suction machine to replenish the cotton threads.

[0011] Optionally, the control component includes a cotton pressing part for squeezing the cotton threads in the cotton storage box and a cotton picking part for grabbing the squeezed cotton threads, the cotton pressing part includes a roller roller symmetrically arranged on the cotton storage box and rotatably arranged about the center of the cotton storage box, there is a gap between two of the roller rollers, the roller rollers are located at the discharge port of the cotton storage box, and a cotton pressing motor electrically connected to the control system is provided on the cotton storage box, and a transmission belt is wound between the output shaft of the cotton pressing motor and the roller roller.

[0012] By adopting the above technical solution, workers start the cotton pressing motor through the control system. The cotton pressing motor drives the roller roller to rotate through the transmission belt. The two roller rollers rotate in opposite directions to squeeze the cotton threads between the two roller rollers, making it convenient for the cotton picker to quickly grab the squeezed cotton threads.

[0013] Optionally, the cotton taking component includes a loosening roller rotatably arranged on the cotton storage box, the loosening roller is located below between the two roller rollers, and is provided with loosening teeth, which are used to hook the cotton threads between the two roller rollers to the discharge port of the cotton storage box. A loosening motor electrically connected to the control system is provided on the frame, and a loosening belt is wound between the output shaft of the loosening motor and the loosening roller. The cotton storage box is provided with cotton stripping teeth, which are used to scrape off the cotton threads attached to the loosening teeth.

[0014] By adopting the above technical solution, workers start the loosening motor through the control system. The output shaft of the loosening motor drives the loosening roller to rotate through the loosening belt. The loosening roller drives the loosening teeth to rotate synchronously. The loosening teeth hook the cotton threads squeezed by the roller roller and are scraped off by the cotton stripping teeth at the discharge port, thereby controlling the feeding amount of the cotton threads to the weighing component.

[0015] Optionally, the weighing assembly includes a weighing sensor arranged on the frame and located below the discharge port, the weighing sensor is electrically connected to the control system, a weighing frame is provided on the weighing sensor, a plurality of weighing rollers are rotatably provided on the weighing frame, a weighing belt is commonly wound around the plurality of weighing rollers, the conveyor belt is located below the weighing belt, and a rotating part for driving the weighing belt to rotate is provided on the weighing frame.

[0016] By adopting the above technical scheme, the cotton threads are discharged from the discharge port to the weighing belt, and the weighing sensor feeds back the weight change on the weighing belt to the control system. When the weight of the cotton threads on the weighing belt reaches the value designed by the worker, the rotating part drives the weighing belt to rotate, and the cotton threads on the weighing belt are discharged to the conveyor belt and transported to the mixing equipment together with other types of cotton threads. This process does not require workers to transfer the weighed cotton threads, which is beneficial to reducing the labor intensity of workers.

[0017] Optionally, the rotating member includes a rotating motor disposed on the weighing frame and electrically connected to a control system, and an output shaft of the rotating motor is coaxially connected to one of the weighing rollers.

[0018] By adopting the above technical solution, the control system starts the rotating motor, the output shaft of the rotating motor drives one of the weighing rollers to rotate, and the weighing roller drives the weighing belt to rotate through friction, thereby realizing the transfer of cotton threads on the weighing belt.

[0019] Optionally, a cotton storage box is arranged between the weighing belt and the discharge port, the top and bottom of the cotton storage box are open, the top opening of the cotton storage box is connected to the discharge port, the bottom opening of the cotton storage box faces above the weighing belt, a cotton discharge port is opened on the cotton storage box, a valve plate for blocking the cotton discharge port is slidably arranged on the cotton storage box, a lifting cylinder electrically connected to the control system is arranged on the cotton storage box, and the valve plate is arranged on the piston rod of the lifting cylinder.

[0020] By adopting the above technical solution, when the cotton threads on the weighing belt need to be transferred to the conveyor belt, the worker starts the lifting cylinder through the control system, the piston rod of the lifting cylinder drives the valve plate to rise, and then the motor is rotated to drive the weighing belt to rotate through the weighing roller. The cotton storage box is helpful to reduce the possibility of the cotton threads on the weighing belt accidentally falling outside the weighing belt.

[0021] Optionally, an intermediate tube is connected between the cotton storage box and the discharge port, an intermediate plate is rotatably arranged on the intermediate tube, the intermediate plate is used to block the intermediate tube, a support rod is arranged on the rotating shaft of the intermediate plate, an opening cylinder electrically connected to a control system is arranged on the intermediate tube, and a connecting rod is hinged between the piston rod of the opening cylinder and the support rod.

[0022] By adopting the above technical scheme, when the weighing sensor weighs the weight of the cotton threads on the weighing belt, the control system starts the plate opening cylinder, and the piston rod of the plate opening cylinder drives the support rod to rotate around the enlarged center of the middle plate through the connecting rod, so that the middle plate separates the cotton storage box from the discharge port, reducing the cotton threads attached to the discharge port from falling onto the weighing belt again, which is beneficial to improving the accuracy of the weight results of the cotton threads measured by the weighing belt.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The cotton suction machine sucks the cotton into the cotton storage box for storage. When a certain mass of cotton needs to be weighed, the control component controls the cotton in the cotton storage box to be discharged to the weighing area where the weighing component is located. The weighed cotton will be discharged to the conveyor belt and then transported to the cotton mixing area together with the weighed cotton in other cotton storage boxes. This process does not require workers to transfer the weighed cotton, which is conducive to reducing the labor intensity of workers;

[0025] 2. The cotton yarn falls from the discharge port to the weighing belt. The weighing sensor feeds back the weight change on the weighing belt to the control system. When the weight of the cotton yarn on the weighing belt reaches the value designed by the worker, the rotating part drives the weighing belt to rotate, and the cotton yarn on the weighing belt is discharged to the conveyor belt and transported to the mixing equipment together with other types of cotton yarn. This process does not require workers to transfer the weighed cotton yarn, which is conducive to reducing the labor intensity of workers;

[0026] 3. When the weighing sensor weighs the weight of the cotton on the weighing belt, the control system starts the plate opening cylinder. The piston rod of the plate opening cylinder drives the support rod to rotate around the enlarged center of the middle plate through the connecting rod, so that the middle plate separates the cotton storage box from the discharge port, reducing the cotton attached to the discharge port and falling onto the weighing belt again, which is beneficial to improve the accuracy of the cotton weight results of the weighing belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0028] Figure 2 It is a structural schematic diagram of the positional relationship among the rollers, loosening rollers and cotton storage box in the embodiment of the present application.

[0029] Figure 3 It is a cross-sectional view of the positional relationship among the doffing teeth, loosening roller and pressing roller in the embodiment of the present application.

[0030] Figure 4 It is a structural schematic diagram of the positional relationship among the valve plate, lifting cylinder and cotton storage box in the embodiment of the present application.

[0031] Description of reference numerals: 1, frame; 2, cotton storage box; 3, feed port; 4, discharge port; 5, control component; 51, cotton pressing part; 511, roller roller; 512, cotton pressing motor; 513, transmission belt; 52, cotton taking part; 521, loosening roller; 522, loosening teeth; 523, loosening motor; 524, loosening belt; 525, cotton stripping teeth; 6, weighing component; 61, weighing sensor; 62, weighing frame; 63, weighing roller; 64. Weighing belt; 65. Rotating part; 651. Rotating motor; 7. Conveying part; 71. Conveying belt; 8. Photoelectric sensor; 9. Cotton storage box; 10. Cotton discharge port; 11. Valve plate; 12. Lifting cylinder; 13. Intermediate tube; 14. Intermediate plate; 15. Support rod; 16. Plate opening cylinder; 17. Connecting rod; 18. Conveying roller; 19. Conveying motor; 20. Observation window; 21. Pressure roller; 22. Gear; 23. Timing belt. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The embodiment of the present application discloses a cotton weighing machine.

[0034] Reference Figure 1 , Figure 2 and Figure 3 A cotton weighing machine includes a frame 1, on which a plurality of cotton storage boxes 2 are arranged, the plurality of cotton storage boxes 2 are arranged along the length direction of the frame 1, the cotton storage boxes 2 are vertically arranged on the frame 1, a feed port 3 is provided on the top of the cotton storage box 2, and a discharge port 4 is provided on the bottom, a control component 5 for controlling the flow rate of cotton yarn is arranged at the discharge port 4 of the cotton storage box 2, and a weighing component 6 for weighing the cotton yarn discharged from the discharge port 4 is arranged on the frame 1.

[0035] Reference Figure 1 , Figure 2 and Figure 3 A conveying member 7 for conveying weighed cotton yarn is arranged on the frame 1. The conveying member 7 includes a plurality of conveying rollers 18 rotatably arranged on the frame 1. The plurality of conveying rollers 18 are arranged along the length direction of the frame 1. A conveying belt 71 is wound around the plurality of conveying rollers 18. A conveying motor 19 electrically connected to the control system is bolted to the frame 1. The output shaft of the conveying motor 19 is coaxially welded to one of the conveying rollers 18.

[0036] Reference Figure 1 , Figure 2 and Figure 3An observation window 20 is provided on the cotton storage box 2, and a photoelectric sensor 8 electrically connected to the control system is bolted to the observation window 20 on the cotton storage box 2. The photoelectric sensor 8 is used to control the amount of cotton threads in the cotton storage box 2. The control component 5 includes a cotton pressing part 51 for squeezing the cotton threads in the cotton storage box 2 and a cotton picking part 52 for grabbing the squeezed cotton threads.

[0037] Reference Figure 1 , Figure 2 and Figure 3 The cotton pressing part 51 includes rollers 511 which are symmetrical about the center of the cotton storage box 2 and are rotatably arranged on the cotton storage box 2. There is a gap between the two rollers 511. The rollers 511 are located at the discharge port 4 of the cotton storage box 2. A cotton pressing motor 512 which is electrically connected to the control system is bolted to the cotton storage box 2. A transmission belt 513 is wound between the output shaft of the cotton pressing motor 512 and the rollers 511.

[0038] Reference Figure 2 , Figure 3 and Figure 4 Two pressure rollers 21 are symmetrically and rotatably arranged on the cotton storage box 2 about the center of the cotton storage box 2. The two pressure rollers 21 are located between the two roller rollers 511. There is a gap between the two pressure rollers 21 and the transmission is through the gear 22. The pressure rollers 21 correspond to the roller rollers 511 one by one and a synchronous belt 23 is wound between the pressure rollers 21 and the roller rollers 511.

[0039] Reference Figure 1 , Figure 2 and Figure 3 The cotton taking part 52 includes a loosening roller 521 rotatably arranged on the cotton storage box 2. The loosening roller 521 is located below between the two rollers 511. A plurality of loosening teeth 522 are uniformly welded on the loosening roller 521 about its axis. The loosening teeth 522 are used to hook the cotton threads between the two pressing rollers 21 to the discharge port 4 of the cotton storage box 2.

[0040] Reference Figure 1 , Figure 2 and Figure 3 A loosening motor 523 electrically connected to the control system is welded on the frame 1, a loosening belt 524 is wound between the output shaft of the loosening motor 523 and the loosening roller 521, a driving belt is wound between multiple loosening rollers 521, and a cotton stripping tooth 525 is welded on the cotton storage box 2, and the cotton stripping tooth 525 is used to scrape off the cotton threads attached to the loosening teeth 522.

[0041] The cotton suction machine sucks the cotton threads into the cotton storage box 2, and the worker observes the amount of cotton threads in the cotton storage box 2 through the observation window 20. At the same time, the photoelectric sensor 8 feeds back the cotton thread situation in the cotton storage box 2 to the control system. When the cotton threads in the cotton storage box 2 are reduced to trigger the photoelectric sensor 8, the control system controls the external cotton suction machine to replenish the cotton threads.

[0042] When it is necessary to weigh the cotton threads, the control system starts the cotton pressing motor 512, the cotton pressing motor 512 drives the roller roller 511 to rotate through the transmission belt 513, the roller roller 511 drives the corresponding pressing roller 21 to rotate through the synchronous belt 23, the pressing roller 21 drives another pressing roller 21 to rotate through the gear 22, and the other pressing roller 21 drives the corresponding roller roller 511 to rotate through the transmission belt 513, so that the cotton threads in the cotton storage box 2 are compressed onto the loosening roller 521.

[0043] The control system starts the loosening motor 523, and the output shaft of the loosening motor 523 drives one of the loosening rollers 521 to rotate through the loosening belt 524. At the same time, under the action of the active belt, multiple loosening rollers 521 rotate at the same time, and the loosening rollers 521 drive the loosening teeth 522 to rotate synchronously. The loosening teeth 522 hook the cotton threads squeezed by the roller roller 511 and are scraped off by the cotton stripping teeth 525 at the discharge port 4, so as to control the discharge amount of the cotton threads.

[0044] Reference Figure 1 , Figure 2 and Figure 3 The weighing assembly 6 includes a weighing sensor 61 arranged on the frame 1 and located below the discharge port 4. The weighing sensor 61 is electrically connected to the control system. A weighing frame 62 is supported on the weighing sensor 61. A plurality of weighing rollers 63 are rotatably connected to the weighing frame 62. The plurality of weighing rollers 63 are arranged along the length direction of the frame 1.

[0045] Reference Figure 1 , Figure 2 and Figure 3 A weighing belt 64 is wound around multiple weighing rollers 63, a conveyor belt 71 is located below the weighing belt 64, a rotating member 65 for driving the weighing belt 64 to rotate is arranged on the weighing frame 62, and the rotating member 65 includes a rotating motor 651 bolted to the weighing frame 62 and electrically connected to the control system, and the output shaft of the rotating motor 651 is coaxially connected to one of the weighing rollers 63.

[0046] Reference Figure 1 , Figure 2 and Figure 3 A vertical cotton storage box 9 is arranged between the weighing belt 64 and the discharge port 4. The top and bottom of the cotton storage box 9 are open. The top opening of the cotton storage box 9 is connected to the discharge port 4, and the bottom opening of the cotton storage box 9 is toward the top of the weighing belt 64. A cotton discharge port 10 is opened on the cotton storage box 9, and a valve plate 11 for sealing the cotton discharge port 10 is slidably arranged on the cotton storage box 9. A lifting cylinder 12 electrically connected to the control system is bolted to the cotton storage box 9, and the valve plate 11 is bolted to the piston rod of the lifting cylinder 12.

[0047] Reference Figure 1 , Figure 2 and Figure 3An intermediate tube 13 is connected between the cotton storage box 9 and the discharge port 4, and an intermediate plate 14 is rotatably connected to the intermediate tube 13. The intermediate plate 14 is used to block the intermediate tube 13. A support rod 15 is welded on the rotating shaft of the intermediate plate 14. An opening cylinder 16 electrically connected to the control system is bolted to the intermediate tube 13, and a connecting rod 17 is hinged between the piston rod of the opening cylinder 16 and the support rod 15.

[0048] The cotton yarn is discharged from the discharge port 4 to the weighing belt 64, and the weighing sensor 61 feeds back the weight change on the weighing belt 64 to the control system. When the weight of the cotton yarn on the weighing belt 64 reaches the value designed by the worker, the control system starts the plate opening cylinder 16, and the piston rod of the plate opening cylinder 16 drives the support rod 15 to rotate around the enlarged center of the middle plate 14 through the connecting rod 17.

[0049] The middle plate 14 separates the cotton storage box 9 from the discharge port 4, and then the control system starts the lifting cylinder 12. The piston rod of the lifting cylinder 12 drives the valve plate 11 to rise. Then the control system starts the rotating motor 651. The rotating motor 651 drives the weighing belt 64 to rotate through the weighing roller 63, and the cotton threads on the weighing belt 64 are transferred to the conveyor belt 71.

[0050] The implementation principle of a cotton weighing machine in an embodiment of the present application is as follows: a cotton suction machine sucks cotton threads into a cotton storage box 2, and a worker observes the amount of cotton threads in the cotton storage box 2 through an observation window 20. At the same time, a photoelectric sensor 8 feeds back the cotton thread situation in the cotton storage box 2 to a control system. When the cotton threads in the cotton storage box 2 are reduced to trigger the photoelectric sensor 8, the control system controls an external cotton suction machine to replenish the cotton threads.

[0051] When it is necessary to weigh the cotton threads, the control system starts the cotton pressing motor 512, the cotton pressing motor 512 drives the roller roller 511 to rotate through the transmission belt 513, the roller roller 511 drives the corresponding pressing roller 21 to rotate through the synchronous belt 23, the pressing roller 21 drives another pressing roller 21 to rotate through the gear 22, and the other pressing roller 21 drives the corresponding roller roller 511 to rotate through the transmission belt 513, so that the cotton threads in the cotton storage box 2 are compressed onto the loosening roller 521.

[0052] The control system starts the loosening motor 523, and the output shaft of the loosening motor 523 drives one of the loosening rollers 521 to rotate through the loosening belt 524. At the same time, under the action of the active belt, multiple loosening rollers 521 rotate at the same time, and the loosening rollers 521 drive the loosening teeth 522 to rotate synchronously. The loosening teeth 522 hook the cotton threads squeezed by the roller roller 511 and are scraped off by the cotton stripping teeth 525 at the discharge port 4, so as to control the discharge amount of the cotton threads.

[0053] The cotton yarn is discharged from the discharge port 4 to the weighing belt 64, and the weighing sensor 61 feeds back the weight change on the weighing belt 64 to the control system. When the weight of the cotton yarn on the weighing belt 64 reaches the value designed by the worker, the control system starts the plate opening cylinder 16, and the piston rod of the plate opening cylinder 16 drives the support rod 15 to rotate around the enlarged center of the middle plate 14 through the connecting rod 17.

[0054] The middle plate 14 separates the cotton storage box 9 from the discharge port 4, and then the control system starts the lifting cylinder 12. The piston rod of the lifting cylinder 12 drives the valve plate 11 to rise. Then the control system starts the rotating motor 651. The rotating motor 651 drives the weighing belt 64 to rotate through the weighing roller 63, and the cotton threads on the weighing belt 64 are transferred to the conveyor belt 71.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cotton weighing machine, characterized in that: The invention comprises a frame (1), wherein a plurality of cotton storage boxes (2) are arranged on the frame (1), wherein the plurality of cotton storage boxes (2) are arranged along the length direction of the frame (1), wherein a feed port (3) and a discharge port (4) are provided on the cotton storage box (2), wherein a control component (5) for controlling the flow rate of cotton yarn is arranged at the discharge port (4) of the cotton storage box (2), wherein a weighing component (6) for weighing the cotton yarn discharged from the discharge port (4) is arranged on the frame (1), and wherein a conveying member (7) for conveying the weighed cotton yarn is arranged on the frame (1), wherein the conveying member (7) comprises a conveying belt (71) rotatably arranged on the frame (1), wherein the conveying belt (71) is arranged along the arrangement direction of the plurality of cotton storage boxes (2).

2. A cotton weighing machine according to claim 1, characterized in that: The cotton storage box (2) is provided with a photoelectric sensor (8) electrically connected to a control system, and the photoelectric sensor (8) is used to control the amount of cotton fibers stored in the cotton storage box (2).

3. A cotton weighing machine according to claim 1, characterized in that: The control component (5) comprises a cotton pressing member (51) for squeezing the cotton threads in the cotton storage box (2) and a cotton picking member (52) for grabbing the squeezed cotton threads. The cotton pressing member (51) comprises a roller (511) symmetrically arranged on the center of the cotton storage box (2) and rotatably disposed on the cotton storage box (2). There is a gap between the two rollers (511). The rollers (511) are located at the discharge port (4) of the cotton storage box (2). The cotton storage box (2) is provided with a cotton pressing motor (512) electrically connected to the control system. A transmission belt (513) is wound between the output shaft of the cotton pressing motor (512) and the rollers (511).

4. A cotton weighing machine according to claim 3, characterized in that: The cotton taking member (52) comprises a loosening roller (521) rotatably arranged on the cotton storage box (2), the loosening roller (521) being located below between the two roller rollers (511), the loosening roller (521) being provided with loosening teeth (522), the loosening teeth (522) being used to hook the cotton threads between the two roller rollers (511) to the discharge port (4) of the cotton storage box (2), the frame (1) being provided with a loosening motor (523) electrically connected to the control system, a loosening belt (524) being wound between the output shaft of the loosening motor (523) and the loosening roller (521), the cotton storage box (2) being provided with cotton stripping teeth (525), the cotton stripping teeth (525) being used to scrape off the cotton threads attached to the loosening teeth (522).

5. A cotton weighing machine according to claim 4, characterized in that: The weighing assembly (6) comprises a weighing sensor (61) arranged on the frame (1) and located below the discharge port (4); the weighing sensor (61) is electrically connected to a control system; a weighing frame (62) is arranged on the weighing sensor (61); a plurality of weighing rollers (63) are rotatably arranged on the weighing frame (62); a weighing belt (64) is commonly wound around the plurality of weighing rollers (63); the conveyor belt (71) is located below the weighing belt (64); and a rotating member (65) for driving the weighing belt (64) to rotate is arranged on the weighing frame (62).

6. A cotton weighing machine according to claim 5, characterized in that: The rotating member (65) comprises a rotating motor (651) which is arranged on the weighing frame (62) and is electrically connected to a control system. The output shaft of the rotating motor (651) is coaxially connected to one of the weighing rollers (63).

7. A cotton weighing machine according to claim 6, characterized in that: A cotton storage box (9) is arranged between the weighing belt (64) and the discharge port (4), the top and bottom of the cotton storage box (9) are open, the top opening of the cotton storage box (9) is connected to the discharge port (4), and the bottom opening of the cotton storage box (9) faces above the weighing belt (64). The cotton storage box (9) is provided with a cotton discharge port (10), and a valve plate (11) for blocking the cotton discharge port (10) is slidably arranged on the cotton storage box (9). The cotton storage box (9) is provided with a lifting cylinder (12) electrically connected to a control system, and the valve plate (11) is arranged on the piston rod of the lifting cylinder (12).

8. A cotton weighing machine according to claim 7, characterized in that: An intermediate tube (13) is connected between the cotton storage box (9) and the discharge port (4), an intermediate plate (14) is rotatably arranged on the intermediate tube (13), the intermediate plate (14) is used to block the intermediate tube (13), a support rod (15) is arranged on the rotating shaft of the intermediate plate (14), an opening cylinder (16) electrically connected to a control system is arranged on the intermediate tube (13), and a connecting rod (17) is hinged between the piston rod of the opening cylinder (16) and the support rod (15).

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