Raw cotton impurity analyzer with feeding control function

Abstract

The raw cotton impurity analyzer with the feeding control function comprises a machine body, a feeding port is formed in the front side of the machine body, a feeding disc is fixedly installed at the front end of the feeding port, a cotton feeding roller is installed in the feeding port, a mounting groove is formed in the inner top of the feeding port, and the feeding disc is fixedly installed in the mounting groove. A mounting groove is formed in the machine body, a pair of diffuse reflection sensors capable of transversely moving in a reciprocating mode is installed on the two sides of the mounting groove, the angle of each diffuse reflection sensor is perpendicular to the feeding direction, a PLC is installed in the machine body, a processing module of each diffuse reflection sensor is electrically connected with the PLC, and the PLC is further electrically connected with a control motor of a cotton feeding roller. A cotton shifting mechanism is further installed on the top of the feeding disc. According to the analyzer, the diffuse reflection sensor acts on raw cotton on the feeding disc in a reciprocating mode, the fluctuation degree of each section of raw cotton is judged through the reflection intensity, then the raw cotton amount of each section is judged, the rotating speed of the cotton feeding roller is adjusted at the controlled time, and feeding is uniform.

Description

Technical Field

[0001] This utility model relates to the technical field of raw cotton impurity analyzers, and in particular to a raw cotton impurity analyzer with a feed control function. Background Technology

[0002] Currently, common intelligent rapid raw cotton impurity analyzers utilize mechanical aerodynamics. After weighing the input raw cotton, an external bellows generates suction airflow within the analyzer's internal airflow channels. As the internal licker-in rollers rotate, they comb the raw cotton, separating the cotton fibers from the impurities attached to them. Lighter cotton fibers are drawn into the rear collection box, while heavier impurities fall into the lower impurity collection box. A weighing sensor at the bottom of the collection box then weighs the impurities, calculating their mass percentage. Raw cotton is typically fed through a feed pan and a feed roller.

[0003] However, the speed of existing cotton feeding rollers is usually fixed. When raw cotton is fed, the raw cotton cannot be evenly distributed in each section, resulting in different amounts of raw cotton in each section. Fixed-speed feeding will lead to uneven feeding and affect the analysis results. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a raw cotton impurity analyzer with a feeding control function. This analyzer uses a diffuse reflection sensor to reciprocate on the raw cotton on the feed tray. By judging the degree of fluctuation of each section of raw cotton through the reflection intensity, the amount of raw cotton in each section is determined, and the rotation speed of the feeding roller is adjusted at the control time to ensure uniform feeding.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A raw cotton impurity analyzer with feeding control function includes a machine body. A feed inlet is located on the front side of the machine body. A feed tray is fixedly installed at the front end of the feed inlet. A cotton feeding roller is installed inside the feed inlet. An installation groove is located at the top inner side of the feed inlet. A pair of diffuse reflection sensors capable of lateral reciprocating movement are installed on both sides of the installation groove. The angle of the diffuse reflection sensors is perpendicular to the feeding direction. A PLC controller is installed inside the machine body. The processing module of the diffuse reflection sensors is electrically connected to the PLC controller. The PLC controller is also electrically connected to the control motor of the cotton feeding roller. A cotton-dispensing mechanism is also installed on the top of the feed tray.

[0007] Preferably, a pair of reciprocating lead screws are rotatably connected in the mounting slot, and the pair of reciprocating lead screws are driven by a connecting shaft. A motor that drives the reciprocating lead screws to rotate is also installed at one end of the mounting slot. A lead screw sleeve that cooperates with the reciprocating lead screw is fitted on the reciprocating lead screw, and the diffuse reflection sensor is fixedly installed at the bottom of the corresponding lead screw sleeve.

[0008] Preferably, a pair of longitudinal cleaning rods are also fixedly connected in the mounting groove, and the top of the cleaning rods is covered with a wiping cloth for wiping the transmitter and receiver of the diffuse reflection sensor.

[0009] Preferably, a control panel and a printer are installed on the top of the machine body, and both the control panel and the printer are electrically connected to the PLC controller.

[0010] Preferably, the cotton-removing mechanism includes a mounting cover fixedly installed on the top of the feed tray. A first cylinder is fixedly installed on the top of the mounting cover. The telescopic end of the first cylinder extends into the mounting cover and is fixedly connected to a fixing strip. A sliding strip is slidably installed on the side wall of the fixing strip. Multiple cooperating levers are fixed at the bottom of both the fixing strip and the sliding strip.

[0011] Preferably, the side wall of the fixing strip is provided with a pushing groove, and a second cylinder is fixedly installed in the pushing groove. The telescopic end of the second cylinder is fixedly connected to the sliding strip through a connecting arm.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. By setting up a pair of diffuse reflection sensors, a reciprocating lead screw, and a PLC controller, the starting motor drives the pair of reciprocating lead screws to rotate. Through the lead screw sleeve, the pair of diffuse reflection sensors move laterally back and forth. The speed of the reciprocating movement is greater than the feeding speed. The raw cotton is scanned segment by segment. The degree of undulation of the raw cotton in each segment is judged by the reflection intensity, and then the amount of raw cotton in each segment is judged. After analysis and processing by the processing module, the speed of the feeding roller motor is adjusted by the PLC controller at all times to ensure uniform feeding and improve the analysis effect.

[0014] 2. By installing a cotton-pulling mechanism, when the raw cotton is in a clump state, the first and second cylinders can be intermittently activated during feeding. The two rows of levers are intermittently inserted into the raw cotton. The second cylinder drives the sliding strip to slide back and forth through the connecting arm, thereby causing one row of levers to be misaligned with the other row of levers, thus separating the clumps of raw cotton and improving uniformity. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the mounting groove proposed in this utility model;

[0017] Figure 3 This is a cross-sectional view of the mounting cover proposed in this utility model;

[0018] Figure 4 This is a top sectional view of the fixing strip and sliding strip proposed in this utility model.

[0019] In the diagram: 1. Machine body, 2. Feed inlet, 3. Feed tray, 4. Cotton feeding roller, 5. First cylinder, 6. Mounting cover, 7. Control panel, 8. Printer, 9. Mounting slot, 10. Reciprocating screw, 11. Screw sleeve, 12. Diffuse reflection sensor, 13. Cleaning rod, 14. Motor, 15. Fixing strip, 16. Lever, 17. Sliding strip, 18. Second cylinder, 19. Pushing slot. Detailed Implementation

[0020] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0022] Reference Figure 1-4 A raw cotton impurity analyzer with feed control function includes a machine body 1. A feed inlet 2 is located on the front side of the machine body 1. A feed disc 3 is fixedly installed at the front end of the feed inlet 2. A cotton feeding roller 4 is installed inside the feed inlet 2. A mounting groove 9 is located at the top inner side of the feed inlet 2. A pair of diffuse reflection sensors 12, capable of lateral reciprocating movement, are installed on both sides of the mounting groove 9. The angle of the diffuse reflection sensors 12 is perpendicular to the feed direction. A pair of reciprocating screws 10 are rotatably connected inside the mounting groove 9, and the pair of reciprocating screws 10 are driven by a connecting shaft. One end of the mounting slot 9 is also equipped with a motor 14 that drives the reciprocating lead screw 10 to rotate. A lead screw sleeve 11 that matches the reciprocating lead screw 10 is fitted on it. A diffuse reflection sensor 12 is fixedly installed at the bottom of the corresponding lead screw sleeve 11. When the motor 14 is started, it drives a pair of reciprocating lead screws 10 to rotate. Through the lead screw sleeve 11, it drives a pair of diffuse reflection sensors 12 to move laterally back and forth. The speed of the back and forth movement is greater than the feeding speed. The raw cotton is scanned segment by segment. The degree of undulation of each segment of raw cotton is judged by the reflection intensity, and then the amount of raw cotton in each segment is judged.

[0023] Furthermore, a pair of longitudinal cleaning rods 13 are fixedly connected in the mounting slot 9. The top of the cleaning rods 13 is covered with a wiping cloth for wiping the transmitter and receiver of the diffuse reflection sensor 12. Some of the fibers of the original cotton will float and adhere to the transmitter and receiver of the diffuse reflection sensor 12. At this time, the fibers can be wiped off by the wiping cloth on the cleaning rods 13.

[0024] A PLC controller is installed inside the machine body 1. The processing module of the diffuse reflection sensor 12 is electrically connected to the PLC controller. The PLC controller is also electrically connected to the control motor of the cotton feeding roller 4. After the processing module analyzes and processes the data, the speed of the cotton feeding roller motor is adjusted by the PLC controller at all times to ensure uniform feeding.

[0025] A cotton-removing mechanism is also installed on the top of the feeding tray 3. The cotton-removing mechanism includes a mounting cover 6 fixedly installed on the top of the feeding tray 3. A first cylinder 5 is fixedly installed on the top of the mounting cover 6. The telescopic end of the first cylinder 5 extends into the mounting cover 6 and is fixedly connected to a fixing strip 15. A sliding strip 17 is slidably installed on the side wall of the fixing strip 15. Multiple cooperating levers 16 are fixed at the bottom of both the fixing strip 15 and the sliding strip 17. A pushing groove 19 is provided on the side wall of the fixing strip 15. A second cylinder 18 is fixedly installed in the pushing groove 19. The telescopic end of the second cylinder 18 is fixedly connected to the sliding strip 17 through a connecting arm. During feeding, the first cylinder 5 and the second cylinder 18 are intermittently activated. The two rows of levers 16 are intermittently inserted into the raw cotton. The second cylinder 18 drives the sliding strip 17 to slide back and forth through the connecting arm, thereby causing one row of levers 16 to be misaligned with the other row of levers, thus separating the clumps of raw cotton.

[0026] In addition, a control panel 7 and a printer 8 are installed on the top of the machine body 1. Both the control panel 7 and the printer 8 are electrically connected to the PLC controller. The analyzer can be controlled through the control panel 7, and the printer 8 can print out the analysis report.

[0027] Raw cotton is fed in through the feed tray 3. The control motor drives the cotton feeding roller 4 to rotate for feeding. The start motor 14 drives a pair of reciprocating screws 10 to rotate. Through the screw sleeve 11, a pair of diffuse reflection sensors 12 move laterally back and forth. The speed of the reciprocating movement is greater than the feeding speed. The raw cotton is scanned in segments. The degree of undulation of each segment of raw cotton is judged by the reflection intensity, and then the amount of raw cotton in each segment is judged. After analysis and processing by the processing module, the speed of the cotton feeding roller motor is adjusted at all times by the PLC controller to ensure uniform feeding.

[0028] The diffuse reflection sensor 12 consists of an emitting element and a receiving element. The emitting element is typically an LED that emits infrared light, while the receiving element is a photodiode that receives infrared light. When the emitted infrared light shines on the surface of the raw cotton, part of the light is absorbed by the raw cotton, and part is reflected back, forming reflected light. The receiving element receives the reflected light and converts it into an electrical signal output. When the raw cotton is close to the diffuse reflection sensor 12, the intensity of the reflected light increases, and the light signal received by the receiving element also becomes stronger. Conversely, when the raw cotton is far away from the diffuse reflection sensor, the intensity of the reflected light decreases, and the light signal received by the receiving element also becomes weaker. The diffuse reflection sensor 12 determines the undulation state of the raw cotton by detecting changes in the electrical signal output by the receiving element. Concave sections correspond to a small amount of raw cotton, and convex sections correspond to a large amount of raw cotton. After multiple transverse measurements, the average value of the undulation state of the raw cotton in that section can be obtained, and thus the corresponding amount of raw cotton can be determined.

[0029] When the raw cotton is in a clump, the first cylinder 5 and the second cylinder 18 can be intermittently activated during feeding. The two rows of levers 16 are intermittently inserted into the raw cotton. The second cylinder 18 drives the sliding strip 17 to slide back and forth through the connecting arm, thereby causing one row of levers 16 to be misaligned with the other row of levers, thus separating the clumps of raw cotton and improving uniformity.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A raw cotton impurity analyzer with feed control function, comprising a machine body (1), wherein a feed inlet (2) is provided on the front side of the machine body (1), a feed tray (3) is fixedly installed at the front end of the feed inlet (2), and a cotton feeding roller (4) is installed inside the feed inlet (2), characterized in that, The inner top of the feed inlet (2) is provided with a mounting groove (9). A pair of diffuse reflection sensors (12) that can move laterally and reciprocally are installed on both sides of the mounting groove (9). The angle of the diffuse reflection sensor (12) is perpendicular to the feeding direction. A PLC controller is installed inside the machine body (1). The processing module of the diffuse reflection sensor (12) is electrically connected to the PLC controller. The PLC controller is also electrically connected to the control motor of the cotton feeding roller (4). A cotton-pulling mechanism is also installed on the top of the feed tray (3).

2. The raw cotton impurity analyzer with feed control function according to claim 1, characterized in that, A pair of reciprocating lead screws (10) are rotatably connected in the mounting groove (9). The pair of reciprocating lead screws (10) are driven by a connecting shaft. A motor (14) that drives the reciprocating lead screws (10) to rotate is also installed at one end of the mounting groove (9). A lead screw sleeve (11) that cooperates with the reciprocating lead screw (10) is sleeved on the reciprocating lead screw (10). The diffuse reflection sensor (12) is fixedly installed at the bottom of the corresponding lead screw sleeve (11).

3. A raw cotton impurity analyzer with feed control function according to claim 1, characterized in that, A pair of longitudinal cleaning rods (13) are also fixedly connected in the mounting groove (9), and the top of the cleaning rods (13) is covered with a wiping cloth for wiping the transmitter and receiver of the diffuse reflection sensor (12).

4. A raw cotton impurity analyzer with feed control function according to claim 1, characterized in that, The top of the machine body (1) is equipped with a control panel (7) and a printer (8), both of which are electrically connected to the PLC controller.

5. A raw cotton impurity analyzer with feed control function according to claim 1, characterized in that, The cotton-dispensing mechanism includes a mounting cover (6) fixedly installed on the top of the feed tray (3). A first cylinder (5) is fixedly installed on the top of the mounting cover (6). The telescopic end of the first cylinder (5) extends into the mounting cover (6) and is fixedly connected to a fixing strip (15). A sliding strip (17) is slidably installed on the side wall of the fixing strip (15). Multiple cooperating levers (16) are fixed at the bottom of both the fixing strip (15) and the sliding strip (17).

6. A raw cotton impurity analyzer with feed control function according to claim 5, characterized in that, The side wall of the fixing strip (15) is provided with a push groove (19), and a second cylinder (18) is fixedly installed in the push groove (19). The telescopic end of the second cylinder (18) is fixedly connected to the sliding strip (17) through a connecting arm.

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