Selenium-rich rice screening device
By employing concentrically arranged screens, vortex baffles, and brush structures in the selenium-enriched rice screening device, the problem of screen clogging was solved, achieving efficient grading and screening of selenium-enriched rice.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 安徽辉闰数字科技股份有限公司
- Filing Date
- 2025-04-17
- Publication Date
- 2026-05-15
AI Technical Summary
In existing screening devices, rice grains easily clog the sieve holes during long-term use, leading to a decrease in screening efficiency.
A selenium-enriched rice screening device was designed, which uses concentrically arranged screens and vortex baffles, combined with a brush and baffle structure. The brush is driven by a motor to rotate and clear the screen holes, and the intermittent feeding of the hopper is controlled to avoid blockage.
This technology enables efficient grading and screening of selenium-enriched rice, ensuring that screening efficiency is not affected, avoiding sieve clogging, and improving screening efficiency.
Smart Images
Figure CN224237564U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of selenium-enriched rice screening technology, and particularly relates to a selenium-enriched rice screening device. Background Technology
[0002] Selenium-enriched rice is produced by supplementing rice with selenium during cultivation, resulting in rice rich in selenium. It is a functional agricultural product. Selenium can enhance the body's immunity, promote the proliferation of lymphocytes and the synthesis of antibodies and immunoglobulins. At the same time, selenium can reduce and alleviate the toxicity of heavy metals. Therefore, scientists call selenium the "king of anti-cancer elements" among trace elements, making selenium-enriched rice even more nutritious.
[0003] In existing screening devices, rice grains easily clog the sieve holes during long-term operation, leading to a decrease in screening efficiency. To address this, we propose a selenium-enriched rice screening device. Utility Model Content
[0004] This utility model addresses the problems in the prior art by proposing the following technical solution:
[0005] A selenium-enriched rice screening device includes a screening box and a motor. The motor is fixedly installed on the inner wall of the screening box. Several concentrically arranged screens are installed inside the screening box. A vortex-shaped baffle is fixedly connected to the top of each screen. The screen holes of the screens gradually increase in size from the outside to the inside. A drive shaft is fixedly connected to the output end of the motor. A brush is fixedly connected to the end of the drive shaft away from the motor. The bristles of the brush are in contact with the screen.
[0006] As a preferred embodiment of the above technical solution, the screening box is provided with a number of concentrically arranged storage boxes, each storage box corresponding to a screen, and a positioning post is fixedly connected to the bottom of the storage box, the positioning post having a positioning groove.
[0007] As a preferred embodiment of the above technical solution, the top of the screening box is provided with a through hole, and a feed hopper is fixedly fitted inside the inner ring of the through hole.
[0008] As a preferred embodiment of the above technical solution, a baffle is fixedly fitted on the outer ring of the drive shaft. The baffle abuts against the tail end of the feed hopper, and two annular partitions are fixedly connected to the top of the baffle. The two annular partitions are located on both sides of the tail end of the feed hopper, and a plurality of discharge ports are opened on the baffle between the two annular partitions.
[0009] The beneficial effects of this utility model are as follows:
[0010] 1. In this utility model, selenium-enriched rice is placed on the outermost sieve, and then the motor is started. The motor drives the brush to rotate through the transmission shaft. The brush pushes the selenium-enriched rice along the trajectory of the vortex baffle above the sieve. During the movement, the selenium-enriched rice completes the grading and screening. At the same time, the bristles of the brush will clear the sieve holes, which can prevent the rice grains from clogging the sieve holes and ensure that the screening efficiency is not affected.
[0011] 2. In the process of driving the brush to rotate, the drive shaft of this utility model will also drive the baffle to rotate. When the discharge port of the baffle is aligned with the tail end of the feed hopper, the selenium-enriched rice can fall into the screen. This controls the intermittent feeding of the feed hopper, avoids excessive feeding at one time which would cause the screen to become clogged, and improves the screening efficiency. Attached Figure Description
[0012] Figure 1 The diagram shown is a structural schematic of the selenium-enriched rice screening device in the embodiment.
[0013] Figure 2 The diagram shown is a structural schematic of the screen and the vortex baffle in the embodiment.
[0014] Explanation of reference numerals in the attached figures:
[0015] 10. Screening box; 12. Storage box; 13. Positioning column; 14. Positioning groove; 15. Screen; 16. Vortex baffle; 17. Feed hopper; 20. Motor; 21. Drive shaft; 22. Brush; 23. Baffle; 24. Annular baffle. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.
[0017] Example
[0018] like Figure 1 and Figure 2 As shown, the selenium-enriched rice screening device includes a screening box 10 and a motor 20. The motor 20 is fixedly installed on the inner wall of the screening box 10. Several concentrically arranged screens 15 are installed inside the screening box 10. A vortex baffle 16 is fixedly connected to the top of the screens 15, and the screen holes of the screens 15 gradually increase in size from the outside to the inside. A drive shaft 21 is fixedly connected to the output end of the motor 20. A brush 22 is fixedly connected to the end of the drive shaft 21 away from the motor 20. The bristles of the brush 22 abut against the screens 15.
[0019] Specifically, the selenium-enriched rice is placed on the outermost sieve 15, and then the motor 20 is started. The motor 20 drives the brush 22 to rotate through the transmission shaft 21. The brush 22 pushes the selenium-enriched rice along the trajectory of the vortex baffle 16 above the sieve 15. During the movement, the selenium-enriched rice completes the grading and screening. At the same time, the bristles of the brush 22 will clear the sieve holes of the sieve 15, which can prevent the rice grains from clogging the sieve holes and ensure that the screening efficiency is not affected.
[0020] like Figure 1 and Figure 2 As shown, the screening box 10 has several concentrically arranged storage boxes 12 inside, each storage box 12 corresponds to a screen 15, and the bottom of the storage box 12 is fixedly connected to a positioning post 13, which has a positioning groove 14.
[0021] It should be noted that the positioning post 13 of one storage box 12 will be inserted into the positioning groove 14 of another storage box 12 that is in contact with it, which can prevent the several storage boxes 12 from shifting due to vibration caused by external factors, and ensure that the several storage boxes 12 always remain concentric.
[0022] Specifically, when the selenium-enriched rice passes through different sieves 15, the selenium-enriched rice of different sizes will fall into the corresponding storage box 12, and the diameter of the selenium-enriched rice in several storage boxes 12 increases from the outside to the inside.
[0023] like Figure 1 As shown, the top of the screening box 10 has a through hole, and the inner ring of the through hole is fixedly fitted with a feed hopper 17.
[0024] It should be noted that the tail end of the feed hopper 17 is located above the outermost screen 15, so that the small-diameter selenium-enriched rice is screened out first.
[0025] like Figure 1 and Figure 2 As shown, a baffle 23 is fixedly sleeved on the outer ring of the drive shaft 21. The baffle 23 abuts against the tail end of the feed hopper 17, and two annular partitions 24 are fixedly connected to the top of the baffle 23. The two annular partitions 24 are located on both sides of the tail end of the feed hopper 17, and the baffle 23 between the two annular partitions 24 has several discharge ports.
[0026] Specifically, as the drive shaft 21 drives the brush 22 to rotate, it will also drive the baffle 23 to rotate. When the discharge port of the baffle 23 is aligned with the tail end of the feed hopper 17, the selenium-enriched rice can fall onto the screen 15. This controls the intermittent feeding of the feed hopper 17, avoiding excessive feeding at one time and causing the screen 15 to become clogged, thus improving the screening efficiency.
[0027] Working principle: Because the tail end of the feed hopper 17 is located above the outermost screen 15, the selenium-enriched rice will first fall onto the outermost screen 15. Then, the motor 20 is started, and the motor 20 drives the brush 22 to rotate through the transmission shaft 21. The brush 22 will then push the selenium-enriched rice along the trajectory of the vortex baffle 16 above the screen 15. Since the sieve holes of the several screens 15 increase in size from the outside to the inside, the diameter of the selenium-enriched rice in the several storage boxes 12 will also increase from the outside to the inside, making the selenium-enriched rice... During the movement, the grading and screening are completed. At the same time, the bristles of the brush 22 will clear the screen holes of the screen 15, which can prevent rice grains from clogging the screen holes and ensure that the screening efficiency is not affected. As the drive shaft 21 drives the brush 22 to rotate, it will also drive the baffle 23 to rotate. When the discharge port of the baffle 23 is aligned with the tail end of the feed hopper 17, the selenium-enriched rice can fall onto the screen 15. The feed hopper 17 is controlled to discharge intermittently to avoid excessive discharge at one time, which would cause the screen 15 to be blocked and improve the screening efficiency.
[0028] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.
Claims
1. A selenium-enriched rice screening device, comprising a screening box (10) and a motor (20), wherein the motor (20) is fixedly installed on the inner wall of the screening box (10), characterized in that: The screening box (10) is equipped with several concentrically arranged screens (15). The top of each screen (15) is fixedly connected to a vortex baffle (16), and the screen holes of the screens (15) gradually increase in size from the outside to the inside. The output end of the motor (20) is fixedly connected to a drive shaft (21), and a brush (22) is fixedly connected to the end of the drive shaft (21) away from the motor (20). The bristles of the brush (22) abut against the screens (15).
2. The selenium-enriched rice screening device according to claim 1, characterized in that, The screening box (10) is equipped with several concentric storage boxes (12), each of which corresponds to a screen (15). The bottom of each storage box (12) is fixedly connected to a positioning post (13), which has a positioning groove (14).
3. The selenium-enriched rice screening device according to claim 1, characterized in that, The top of the screening box (10) is provided with a through hole, and the inner ring of the through hole is fixedly fitted with a feed hopper (17).
4. The selenium-enriched rice screening device according to claim 3, characterized in that, A baffle (23) is fixedly sleeved on the outer ring of the drive shaft (21). The baffle (23) abuts against the tail end of the feed hopper (17). Two annular partitions (24) are fixedly connected to the top of the baffle (23). The two annular partitions (24) are located on both sides of the tail end of the feed hopper (17). The baffle (23) between the two annular partitions (24) has several discharge ports.