Air screen type seed cleaning machine

Abstract

The utility model discloses an air screen type seed cleaning machine, and belongs to the technical field of seed screening. Comprising a main machine, a screening mechanism, a feeding hopper and a discharging mechanism, the bottom of the feeding hopper is connected with the screening mechanism, and the bottom of the screening mechanism is connected with the discharging mechanism; a detachable feeding adjusting plate is arranged at the bottom of the feeding hopper and electrically connected with the main machine. A weight sensor is arranged on the feeding adjusting plate and electrically connected with the main machine. The weight sensor is arranged on the feeding adjusting plate and electrically connected with the main machine, the screening condition of seeds can be found in time, the seeds are added in time for continuous screening, treatment can be conducted in time after screening is finished, workers do not need to stare at all the time for observation, the labor force of operators is saved, and the working efficiency is improved. According to the technical scheme, the problems that in the equipment running process of an air screen type seed cleaning machine, manual monitoring is needed, operation is tedious, and the working efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of seed screening, in particular to a wind screen type seed cleaning machine. Background Art

[0002] Seed cleaners use different principles to screen out impurities in seeds, while wind screen seed cleaners use wind power to screen out and remove impurities mixed in seeds.

[0003] The Chinese patent with the announcement number CN213255652U discloses a wind screen seed cleaning machine that is convenient for cleaning light impurities, including a box body, a feed port is provided on the top of the box body, a plurality of screening devices are provided in the vertical direction in the box body, a blowing device is provided on the side of the box body, and a light impurity collecting device is provided on the side of the box body opposite to the side where the blowing device is located; the screening device includes a screen body, the screen body is inclined, a vibration device is provided on the screen body, and an elastic component is provided at the bottom of the screen body. By adopting the above technical solution, when the material passes through the screen body, the vibration device makes the screen body vibrate, so that the material is in a shaking state, which is convenient for the blowing device to blow away the light impurities in the material, and improve the ability to clean light impurities, and the elastic component can increase the vibration amplitude of the screen body.

[0004] At present, the wind screen type seed cleaning machine of the above technical solution needs manual monitoring during the operation of the equipment, and the operation is cumbersome, which will lead to the problem of low work efficiency. Utility Model Content

[0005] The utility model aims to invent a wind screen type seed cleaning machine in view of the deficiencies in the prior art, which solves the problem that the wind screen type seed cleaning machine needs manual monitoring during the operation of the equipment, the operation is cumbersome, and the work efficiency is low.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A wind-screen seed cleaning machine comprises a main machine, a screening mechanism, a feed hopper and a discharging mechanism, wherein the bottom of the feed hopper is connected to the screening mechanism, and the bottom of the screening mechanism is connected to the discharging mechanism; the screening mechanism comprises a first fan and a screen plate, wherein the first fan is arranged above the screen plate; the discharging mechanism comprises a discharging plate, a second fan, a first discharging box and a second discharging box, wherein the second fan is arranged below the discharging plate, and the first discharging box and the second discharging box are also arranged below the discharging plate; the first fan and the second fan are electrically connected to the main machine respectively; a detachable feed adjusting plate is arranged at the bottom of the feed hopper, and the feed adjusting plate is electrically connected to the main machine; a weight sensor is arranged on the feed adjusting plate, and the weight sensor is electrically connected to the main machine.

[0008] Furthermore, a rack is provided on the bottom surface of the feed adjustment plate, and a gear is provided on the left side of the feed adjustment plate. The gear and the rack are meshed with each other, and the gear is fixedly connected to the motor.

[0009] Furthermore, a vibrator is provided on the sieve plate, and the vibrator is electrically connected to the host.

[0010] Furthermore, the sieve plate includes a first sieve plate, a second sieve plate and a third sieve plate; the adjacent first sieve plates, second sieve plates and third sieve plates are arranged to be inclined relative to each other.

[0011] Furthermore, a first opening is provided at the bottom of the first sieve plate, and a second sieve plate is provided below the first opening; a second opening is provided at the bottom of the second sieve plate, and a third sieve plate is provided below the second opening; and the third sieve plate has no opening.

[0012] Furthermore, the first sieve plate is provided with a first sieve hole, the second sieve plate is provided with a second sieve hole, and the third sieve plate is provided with a third sieve hole. The aperture of the first sieve hole is less than the diameter of the seed, the aperture of the first sieve hole is the same as the aperture of the second sieve hole, and the aperture of the third sieve hole is greater than the diameter of the seed> the aperture of the first sieve hole.

[0013] Furthermore, the host includes a PLC controller and a display screen, and the PLC controller is electrically connected to the display screen; the weight sensor, the vibrator, the first fan and the second fan are electrically connected to the PLC controller respectively.

[0014] Furthermore, debris collecting boxes are provided on both sides of the screening mechanism, and the debris collecting boxes include a first debris collecting box and a second debris collecting box, the second debris collecting box is connected to the first debris collecting box, and the first debris collecting box is provided with a debris unloading port.

[0015] Furthermore, the first discharge box and the second discharge box are both provided with discharge ports and discharge valves at the bottom.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is provided with a weight sensor on the feed adjustment plate, and the weight sensor is electrically connected to the main machine, so that the seed screening situation can be discovered in time, and seeds can be added in time for continuous screening. After the screening, the process can be processed in time, and there is no need for manual observation, which saves the labor of the operator and improves the work efficiency. Therefore, the problem that the wind screen seed cleaning machine needs manual monitoring during the operation of the equipment, the operation is cumbersome, and the work efficiency is low is solved. Secondly, a vibrator is provided on the screen plate, and the seeds can be smoothly screened on the screen plate through the vibrator, so as to avoid the seeds being stuck in the sieve holes of the screen plate, which affects the seed screening effect and screening efficiency. In addition, by setting the first fan and the second fan, the first fan is used to screen out impurities, and the second fan is used to screen out high-quality seeds according to the fullness of the seeds. Finally, by setting the PLC controller and the display screen, different wind selection operation parameters can be adjusted and set, and the seeds can be better selected by wind selection. The operator does not need real-time monitoring and can also timely and effectively understand the feeding situation and wind screening progress of the seeds. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a wind screen type seed cleaning machine of the utility model;

[0019] Wherein, the accompanying drawings are marked as follows:

[0020] 1. Main machine; 2. Feed hopper; 3. Feed adjustment plate; 4. First fan; 5. First sieve plate; 6. Second sieve plate; 7. Third sieve plate; 8. Discharge plate; 9. Second fan; 10. First discharge box; 11. Second discharge box; 12. Display screen; 13. First sundry collection box; 14. Second sundry collection box; 15. Discharge port. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the present application will be clearly and completely described below in combination with the embodiment of the present application and its drawings. Obviously, the described embodiment is only a part of the embodiment of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] For easier understanding, see Figure 1 The present application is a wind-screen type seed cleaning machine, comprising a main machine 1, a screening mechanism, a feed hopper 2 and a discharging mechanism. The feed hopper 2 is connected to the screening mechanism, and a discharging mechanism is provided at the bottom of the screening mechanism, and the screening mechanism is electrically connected to the main machine 1. A detachable feed adjustment plate 3 is provided at the bottom of the feed hopper 2, and the feed adjustment plate 3 is electrically connected to the main machine 1. That is, the feed adjustment plate 3 runs through the feed hopper 2 and the screening mechanism. The feed speed of the seeds to be screened is adjusted by the opening size of the feed adjustment plate 3, and the uniform feed is controlled to ensure that operations such as cleaning and screening of impurities can be fully performed. A weight sensor is provided on the feed adjustment plate 3, and the weight sensor is electrically connected to the main machine 1; the weight sensor can timely detect the screening status of the seeds, timely add seeds for continuous screening, and timely process them after the screening is completed, without the need for manual observation, saving the labor of the operator and improving work efficiency.

[0024] A rack is provided on the bottom surface of the feed adjustment plate 3, and a gear is provided on the left side of the feed adjustment plate 3. The gear and the rack mesh with each other, and the gear is fixedly connected to the motor. The motor rotates to drive the gear to rotate, thereby pushing the rack to move, thereby realizing the movement of the feed adjustment plate 3, and achieving the purpose of adjusting the size of the feed opening. Specifically, when the motor rotates clockwise, the feed adjustment plate 3 moves to make the feed opening smaller and the seed feeding speed slower; when the motor rotates counterclockwise, the feed adjustment plate 3 moves to make the feed opening larger and the seed feeding speed faster.

[0025] The screening mechanism includes a first fan 4 and a sieve plate. The first fan 4 is arranged above the sieve plate. A vibrator is arranged on the sieve plate. The vibrator and the first fan 4 are electrically connected to the host 1 respectively. The sieve plate includes a first sieve plate 5, a second sieve plate 6 and a third sieve plate 7. The adjacent first sieve plates 5, the second sieve plates 6 and the third sieve plates 7 are arranged to be inclined to each other. Specifically, the top of the first sieve plate 5 is inclined to the right, the top of the second sieve plate 6 is inclined to the left, and the top of the third sieve plate 7 is inclined to the right. The first sieve plate 5 is provided with a first opening at the bottom, and the second sieve plate 6 is arranged below the first opening. The second sieve plate 6 is provided with a second opening at the bottom, and the third sieve plate 7 is arranged below the second opening. The third sieve plate 7 is provided with a third opening. The first sieve plate 5, the second sieve plate 6 and the third sieve plate 7 are respectively provided with a first vibrator, a second vibrator and a third vibrator. The seeds can be smoothly screened on the sieve plate through the vibrator to avoid the seeds being stuck in the sieve holes of the sieve plate, which affects the screening effect and efficiency of the seeds.

[0026] The first sieve plate 5, the second sieve plate 6 and the third sieve plate 7 are respectively provided with different sieve holes. Specifically, the first sieve plate 5 is provided with a first sieve hole, the second sieve plate 6 is provided with a second sieve hole, and the third sieve plate 7 is provided with a third sieve hole. The aperture of the first sieve hole is less than the diameter of the seed, the aperture of the first sieve hole is the same as the aperture of the second sieve hole, and the aperture of the third sieve hole is greater than the diameter of the seed and greater than the aperture of the first sieve hole; the first sieve plate 5 and the second sieve plate 6 are mainly used to screen out fine sand, broken seeds, etc. (impurities smaller than seeds) in the seeds, so that the intact seeds continue to remain on the sieve plate for screening; the third sieve plate 7 is mainly used to screen out impurities larger than seeds, and the intact seeds are screened by the third sieve plate 7 and fall into the discharging mechanism.

[0027] There are debris collecting boxes on both sides of the screening mechanism, and the debris collecting boxes include a first debris collecting box 13 and a second debris collecting box 14. The second debris collecting box 14 is connected to the first debris collecting box 13, and the first debris collecting box 13 is provided with a debris discharge port 15. The third opening is connected to the first debris collecting box 13, and large particles of impurities that cannot pass through the sieve holes of the third sieve plate 7 fall into the first debris collecting box 13 along the third opening; a fourth opening is provided opposite to the first fan 4, and is connected to the second debris collecting box 14; a fifth opening is provided below the fourth opening, and is connected to the second debris collecting box 14, and fine sand, broken seeds, etc. (impurities smaller than seeds) screened out of the seeds through the first sieve plate 5 fall into the second debris collecting box 14 through the fifth opening; a sixth opening is provided above the third opening, and is connected to the first debris collecting box 13, and fine sand, broken seeds, etc. (impurities smaller than seeds) screened out of the seeds through the second sieve plate 6 fall into the first debris collecting box 13 through the sixth opening.

[0028] The discharging mechanism includes a discharging plate 8, a second fan 9, a first discharging box 10 and a second discharging box 11. The discharging plate 8 is tilted below the third sieve plate 7. The second fan 9 is provided below the discharging plate 8, and the first discharging box 10 and the second discharging box 11 are also provided below the discharging plate 8. The bottoms of the first discharging box 10 and the second discharging box 11 are both provided with discharging ports and discharging valves. Specifically, the intact seeds screened by the third sieve plate 7 fall on the discharging plate 8, and the right side of the discharging plate 8 is tilted downward, so that the seeds falling on the discharging plate 8 fall into the first discharging box 10 and the second discharging box 11 below along the inclined surface. Turning on the second fan 9 and adjusting the wind force of the second fan 9 can screen the intact seeds into the corresponding discharging boxes, wherein the seeds with full particles and heavier weight are screened into the first discharging box 10 by wind, and the seeds with less full particles and lighter weight are screened into the second discharging box 11 by wind, thereby realizing the screening of high-quality seeds.

[0029] The host 1 includes a PLC controller and a display screen 12, the PLC controller is electrically connected to the display screen 12, and an alarm is provided in the PLC controller. The weight sensor, the vibrator, the first fan 4 and the second fan 9 are electrically connected to the PLC controller respectively. The weight sensor can feed back the feeding situation of seed screening to the display screen 12 in real time by connecting to the PLC controller. When the material amount at the feed port is lower than the set feeding threshold, the alarm sends an alarm signal, and the operator can add materials in time or turn off the equipment in time after the wind selection is completed. Therefore, the operator does not need real-time monitoring and can also understand the feeding situation of the seeds and the progress of the wind screening in time. The vibrator can set different vibration frequencies according to different seed screening situations by connecting to the PLC controller, so as to better screen the seeds. The first fan 4 and the second fan 9 are connected to the PLC controller, and different wind speeds and other parameters are set according to the purpose of wind selection, and displayed on the display screen 12, so that the seed cleaning machine can better perform wind selection operations.

[0030] The working principle of the utility model is that a weight sensor is provided on the feed adjustment plate 3, and the weight sensor is electrically connected to the main machine 1, so that the seed screening situation can be discovered in time, and seeds can be added in time for continuous screening. After the screening is completed, it can also be processed in time, without manual observation, saving the labor of operators and improving work efficiency. Therefore, it solves the problem that the wind screen seed cleaning machine needs manual monitoring during the operation of the equipment, the operation is cumbersome, and the work efficiency is low.

[0031] In addition, a vibrator is provided on the sieve plate, through which the seeds can be smoothly screened on the sieve plate to avoid the seeds being stuck in the sieve holes of the sieve plate, which affects the screening effect and efficiency of the seeds. The first fan 4 and the second fan 9 are provided to screen and remove impurities while screening out high-quality seeds. Finally, by providing a PLC controller and a display screen 12, different wind selection operation parameters can be adjusted and set to better perform wind selection operations on the seeds, and the operator can timely and effectively understand the seed feeding situation and wind screening progress without real-time monitoring.

[0032] Although the present invention has been described using the above preferred embodiments, it is not intended to limit the scope of protection of the present invention. Any person skilled in the art may make various changes and modifications to the above embodiments without departing from the spirit and scope of the present invention, and the changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A wind screen seed cleaning machine, characterized in that: The invention comprises a main machine (1), a screening mechanism, a feed hopper (2) and a discharge mechanism, wherein the bottom of the feed hopper (2) is connected to the screening mechanism, and the bottom of the screening mechanism is connected to the discharge mechanism; the screening mechanism comprises a first fan (4) and a screen plate, wherein the first fan (4) is arranged above the screen plate; the discharge mechanism comprises a discharge plate (8), a second fan (9), a first discharge box (10) and a second discharge box (11), wherein the second fan (9) is arranged below the discharge plate (8), and the first discharge box (10) and the second discharge box (11) are also arranged below the discharge plate (8); the first fan (4) and the second fan (9) are respectively electrically connected to the main machine (1); a detachable feed adjustment plate (3) is arranged at the bottom of the feed hopper (2), and the feed adjustment plate (3) is electrically connected to the main machine (1); a weight sensor is arranged on the feed adjustment plate (3), and the weight sensor is electrically connected to the main machine (1).

2. The wind screen seed cleaning machine according to claim 1, characterized in that: A rack is provided on the bottom surface of the feed adjustment plate (3), and a gear is provided on the left side of the feed adjustment plate (3), the gear and the rack are meshed with each other, and the gear is fixedly connected to the motor.

3. The wind screen seed cleaning machine according to claim 1, characterized in that: A vibrator is provided on the sieve plate, and the vibrator is electrically connected to the main machine (1).

4. The wind screen seed cleaning machine according to claim 1, characterized in that: The sieve plates comprise a first sieve plate (5), a second sieve plate (6) and a third sieve plate (7); adjacent first sieve plates (5), second sieve plates (6) and third sieve plates (7) are arranged to be inclined relative to each other.

5. The wind screen seed cleaning machine according to claim 4, characterized in that: The first sieve plate (5) has a first opening at the bottom, and a second sieve plate (6) is arranged below the first opening; the second sieve plate (6) has a second opening at the bottom, and a third sieve plate (7) is arranged below the second opening; the third sieve plate (7) has a third opening.

6. The wind screen seed cleaning machine according to claim 4 or 5, characterized in that: The first sieve plate (5) is provided with a first sieve hole, the second sieve plate (6) is provided with a second sieve hole, and the third sieve plate (7) is provided with a third sieve hole. The aperture of the first sieve hole is smaller than the diameter of the seed, the aperture of the first sieve hole is the same as the aperture of the second sieve hole, and the aperture of the third sieve hole is larger than the diameter of the seed and larger than the aperture of the first sieve hole.

7. The wind screen seed cleaning machine according to claim 5, characterized in that: The host (1) comprises a PLC controller and a display screen (12), the PLC controller being electrically connected to the display screen; the weight sensor, the vibrator, the first fan (4) and the second fan (9) are all electrically connected to the PLC controller respectively.

8. The wind screen seed cleaning machine according to claim 1, characterized in that: Miscellaneous collection boxes are provided on both sides of the screening mechanism. The miscellaneous collection boxes include a first miscellaneous collection box (13) and a second miscellaneous collection box (14). The second miscellaneous collection box (14) is connected to the first miscellaneous collection box (13). The first miscellaneous collection box (13) is provided with a miscellaneous discharge port (15).

9. The wind screen seed cleaning machine according to claim 1, characterized in that: The first discharge box (10) and the second discharge box (11) are both provided with a discharge port and a discharge valve at the bottom.

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