Multi-stage seed screening device
By designing a multi-stage seed screening device, using a rotating motor to drive spiral blades to accelerate screening and brush cleaning, combined with suction fan blades to suck, the problem of low efficiency of manual screening in the existing technology is solved, efficient multi-stage screening and impurity cleaning are achieved, and seed quality and yield are improved.
Patent Information
- Application Number
- CN202422345065.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-09-24
AI Technical Summary
Existing seed screening methods mainly rely on manual labor, resulting in large screening workload and limited results, making it difficult to achieve multi-level efficient screening, especially for the removal of shriveled, defective seeds and impurities.
A multi-stage seed screening device was designed, which included a screening box, a screening mechanism, a cleaning mechanism and an air suction mechanism. The device used a rotating motor to drive the spiral blades to accelerate the screening, and combined with brush cleaning and suction fan blades to achieve multi-stage screening and impurity cleaning.
It improves the efficiency of seed screening, reduces manpower consumption, can effectively remove shriveled, defective seeds and impurities, ensures seed quality, and improves seed purity and yield.
Smart Images

Figure CN223337753U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seed screening, in particular to a multi-stage seed screening device. Background Art
[0002] Agricultural extension refers to the dissemination of agricultural technology, knowledge and innovation to farmers and agricultural practitioners through various channels and means to improve the efficiency, benefits and sustainable development of agricultural production. Seed screening devices can help farmers remove impurities, poor quality seeds and carriers of pests and diseases, improve the quality and purity of seeds, and thus increase the yield and quality of crops.
[0003] Existing seed screening methods usually rely on manual screening, but manual screening is labor-intensive, and the quality of the screened seeds cannot meet the qualified requirements, which increases manpower consumption. Some seed screening devices are dried and then screened by shaking. However, during screening, the seeds contain shriveled, incomplete or small seeds, as well as other objects such as weeds and impurities. As a result, the effect of existing shaking screening is very limited, and targeted multi-stage screening is not possible.
[0004] To this end, we propose a multi-stage seed screening device. Utility Model Content
[0005] The purpose of the present invention is to provide a multi-stage seed screening device to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: A multi-stage seed screening device, comprising: a screening box, a screening mechanism, a cleaning mechanism, and an air suction mechanism;
[0007] A screening mechanism is provided inside the screening box, wherein a screening cylinder is provided inside the screening mechanism, and screening holes for seed screening are sequentially opened on the outer surface of the screening cylinder;
[0008] A cleaning mechanism is provided inside the screening box, and the cleaning mechanism includes a turntable, a brush plate and a brush. The turntable is located at the screening cylinder and is symmetrically fixed with a brush plate on its surface. Two brush plates are installed in sequence on the surface close to the screening cylinder for cleaning the screening mechanism.
[0009] Suction mechanism: the outer surface of the screening box is provided with a suction mechanism, and the suction mechanism includes suction fan blades for adsorption and screening.
[0010] Preferably, the screening mechanism includes a screening drum, the outer surface of the screening drum is sequentially provided with screening holes, a feeding port is provided on the top surface at one end of the screening drum, a rotating rod is rotatably connected to the inside of the screening box, and the rotating rod passes through the inside of the screening drum, a spiral blade is fixedly connected to the outer surface of the rotating rod at the screening drum, a rotating motor is installed on one side surface of the screening box at the rotating rod, and the output end of the rotating motor is fixedly connected to the rotating rod. The operation of the rotating motor drives the rotating rod to rotate, and the rotation of the rotating rod drives the spiral blade fixedly connected to the outside to rotate. The rotation of the spiral blade accelerates the seed screening speed inside the screening drum and can also clean out impurities screened by the screening drum.
[0011] Preferably, a discharge port is formed on the bottom surface of one end of the screening drum, a discharge pipe is fixedly connected to the screening drum at the discharge port, and a guide plate is fixedly connected to the inside of the discharge pipe. Impurities screened by the screening drum can be discharged through the cooperation of the discharge pipe and the discharge port, and are guided out of the screening box by the guide plate.
[0012] Preferably, the cleaning mechanism includes a brush, a turntable is rotatably connected to one side of the screening box, and the surface of the turntable is rotatably connected to the screening drum, the turntable is symmetrically fixedly connected to the surface of the screening drum, and two brushes are sequentially installed on the surface of the brush plates near the screening drum, the outer surface of the screening box is fixedly connected to the turntable, a drive bracket is installed on the surface of the drive bracket, and the output end of the drive motor is fixedly connected to the turntable. When the drive motor is running, it drives the turntable to rotate, and the rotation of the turntable drives the fixedly connected brush plate to rotate, and the rotation of the brush plate drives the brush to rotate, and the rotation of the brush can clean the outer surface of the screening drum, thereby preventing the holes in the screening drum from being clogged.
[0013] Preferably, the suction mechanism includes suction fan blades, a discharge outlet is formed on one side of the screening box, a fan bracket is fixedly connected to the side of the screening box located at the discharge outlet, suction fan blades are sequentially mounted on the surface of the fan bracket near the discharge outlet, and a suction motor is sequentially mounted on the other side of the fan bracket, with the output end of the suction motor being fixedly connected to the suction fan blades. When the suction motor is running, the suction fan blades are driven to rotate, and the rotation of the suction fan blades generates air flow to absorb the screened seeds, and seeds with small volume and mass are sucked out through the discharge outlet.
[0014] Preferably, a recycling box is installed at the bottom of the screening box to recycle the seeds that have been screened.
[0015] Preferably, a control panel is installed on the front end surface of the screening box, and the rotating motor, the driving motor and the suction motor are all electrically controlled and connected by the control panel.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the rotation of the motor drives the rotating rod to rotate, and the rotation of the rotating rod drives the spiral blades fixedly connected on the outside to rotate, and the rotation of the spiral blades accelerates the seed screening speed inside the screening drum, and can also clean out the impurities screened by the screening drum. The impurities screened by the screening drum can be discharged through the cooperation of the discharge pipe and the discharge port, and are guided out of the screening box through the guide plate. When the driving motor is running, it drives the turntable to rotate, and the rotation of the turntable drives the fixedly connected brush plate to rotate. The rotation of the brush plate drives the brush to rotate. The rotation of the brush can clean the outer surface of the screening drum, thereby avoiding blockage of the holes in the screening drum. When the suction motor is running, it drives the suction fan blades to rotate, and the rotation of the suction fan blades generates air flow to absorb the screened seeds, and seeds with small volume and mass are sucked out through the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is one of the overall structural diagrams of the utility model;
[0018] Figure 2 This is the second schematic diagram of the overall structure of the utility model;
[0019] Figure 3 This is one of the cross-sectional structural diagrams of the present utility model;
[0020] Figure 4 This is the second schematic cross-sectional structure diagram of the present invention.
[0021] In the figure: 1. Screening box; 2. Screening cylinder; 3. Screening hole; 4. Feeding port; 5. Rotating rod; 6. Spiral blade; 7. Rotating motor; 8. Discharging port; 9. Discharging pipe; 10. Guide plate; 11. Turntable; 12. Brush plate; 13. Brush; 14. Driving bracket; 15. Driving motor; 16. Discharging port; 17. Fan bracket; 18. Suction fan blade; 19. Suction motor; 20. Recovery box; 21. Control panel; 22. Screening mechanism; 23. Cleaning mechanism; 24. Suction mechanism. DETAILED DESCRIPTION
[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-4 , a seed multi-stage screening device, comprising: a screening box 1, a screening mechanism 22, a cleaning mechanism 23 and an air suction mechanism 24;
[0024] Screening mechanism 22: The screening box 1 is provided with a screening mechanism 22 inside, and a screening cylinder 2 is provided inside the screening mechanism 22. Screening holes 3 for seed screening are sequentially opened on the outer surface of the screening cylinder 2;
[0025] A cleaning mechanism 23 is provided inside the screening box 1. The cleaning mechanism 23 includes a turntable 11, a brush plate 12 and a brush 13. The turntable 11 is located on the surface of the screening drum 2 and is symmetrically fixedly connected to the brush plate 12. The two brush plates 12 are adjacent to the surface of the screening drum 2 and are sequentially installed with brushes 13 for cleaning the screening mechanism 22.
[0026] Suction mechanism 24: The outer surface of the screening box 1 is provided with a suction mechanism 24, and the suction mechanism 24 includes suction fan blades 18 for adsorption and screening.
[0027] See also Figure 1-4 The screening mechanism includes a screening drum 2, the outer surface of which is sequentially provided with screening holes 3, a feed port 4 being provided on the top surface at one end of the screening drum 2, a rotating rod 5 being rotatably connected to the inside of the screening box 1, and the rotating rod 5 passing through the inside of the screening drum 2, a spiral blade 6 being fixedly connected to the outer surface of the rotating rod 5 located at the screening drum 2, and a rotating motor 7 being mounted on one side of the screening box 1 located at the rotating rod 5, and the output end of the rotating motor 7 being fixedly connected to the rotating rod 5. The operation of the rotating motor 7 drives the rotating rod 5 to rotate, and the rotation of the rotating rod 5 drives the spiral blade 6 fixedly connected to the outer side to rotate. The rotation of the spiral blade 6 accelerates the seed screening speed inside the screening drum 2, and can also clean out impurities screened by the screening drum 2.
[0028] See also Figure 1-4 The bottom surface of one end of the screening drum 2 is provided with a discharge port 8. A discharge pipe 9 is fixedly connected to the screening drum 2 at the discharge port 8. A guide plate 10 is fixedly connected to the inside of the discharge pipe 9. The discharge pipe 9 cooperates with the discharge port 8 to discharge impurities screened by the screening drum 2 and guide them out of the screening box 1 through the guide plate 10.
[0029] See also Figure 1-4The cleaning mechanism includes a brush 13. A turntable 11 is rotatably connected to the inside of one side of the screening box 1, and the surface of the turntable 11 is rotatably connected to the screening drum 2. The turntable 11 is symmetrically fixedly connected to the surface of the screening drum 2 with a brush plate 12. Two of the brush plates 12 are sequentially installed with brushes 13 on the surface near the screening drum 2. A driving bracket 14 is fixedly connected to the outer surface of the turntable 11 of the screening box 1. A driving motor 15 is installed on the surface of the driving bracket 14, and the output end of the driving motor 15 is fixedly connected to the turntable 11. When the driving motor 15 is running, it drives the turntable 11 to rotate. The rotation of the turntable 11 drives the fixedly connected brush plate 12 to rotate. The rotation of the brush plate 12 drives the brush 13 to rotate. The rotation of the brush 13 can clean the outer surface of the screening drum 2, thereby preventing the holes in the screening drum 2 from being blocked.
[0030] See also Figure 1-4 The suction mechanism includes a suction fan blade 18. A discharge port 16 is formed on one side of the screening box 1. A fan bracket 17 is fixedly connected to one side of the screening box 1 near the discharge port 16. The suction fan blades 18 are sequentially mounted on the surface of the fan bracket 17 near the discharge port 16. A suction motor 19 is sequentially mounted on the other side of the fan bracket 17, and the output end of the suction motor 19 is fixedly connected to the suction fan blade 18. When the suction motor 19 is running, it drives the suction fan blade 18 to rotate. The rotation of the suction fan blade 18 generates air flow to absorb the screened seeds, and the seeds with small volume and mass are sucked out through the discharge port 16.
[0031] See also Figure 1-4 A recovery box 20 is installed at the bottom of the screening box 1. The seeds that have been screened can be recovered.
[0032] See also Figure 1-4 A control panel 21 is installed on the front surface of the screening box 1, and the rotating motor 7, the driving motor 15 and the suction motor 19 are all electrically controlled and connected by the control panel 21.
[0033] Working principle: When the device needs to be used, first start the rotating motor 7. The rotating motor 7 drives the rotating rod 5 to rotate. The rotation of the rotating rod 5 drives the spiral blade 6 fixedly connected to the outside to rotate. The rotation of the spiral blade 6 accelerates the seed screening speed inside the screening drum 2. The impurities screened by the screening drum 2 can be discharged through the cooperation of the discharge pipe 9 and the discharge port 8, and are guided and discharged from the inside of the screening box through the guide plate 10. At the same time, start the driving motor 15. When the driving motor 15 runs, it drives the turntable 11 to rotate. The rotation of the turntable 11 drives the fixedly connected brush plate 12 to rotate. The rotation of the brush plate 12 drives the brush 13 to rotate. The rotation of the brush 13 can clean the outer surface of the screening drum 2. Then start the suction motor 19. When the suction motor 19 runs, it drives the suction fan blades 18 to rotate. The rotation of the suction fan blades 18 generates air flow to absorb the screened seeds. The seeds with small volume and mass are sucked out through the discharge port 16, and the screened seeds fall into the recovery box 20 for recycling.
[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multi-stage seed screening device, characterized in that: include: Screening box (1), screening mechanism (22), cleaning mechanism (23) and air suction mechanism (24); A screening mechanism (22), wherein the screening box (1) is provided with a screening mechanism (22), a screening cylinder (2) is provided in the screening mechanism (22), and screening holes (3) for seed screening are sequentially provided on the outer surface of the screening cylinder (2); A cleaning mechanism (23) is provided inside the screening box (1), and the cleaning mechanism (23) comprises a turntable (11), a brush plate (12) and a brush (13); the turntable (11) is located on the screening drum (2) and is symmetrically fixedly connected to the surface of the brush plate (12); and two brushes (13) for cleaning the screening mechanism (22) are sequentially installed on the surface of the brush plates (12) near the screening drum (2); An air suction mechanism (24) is provided on the outer surface of the screening box (1), and the air suction mechanism (24) includes an air suction fan blade (18) for adsorption screening.
2. The multi-stage seed screening device according to claim 1, characterized in that: The screening mechanism (22) comprises a rotating rod (5), a spiral blade (6) and a rotating motor (7); a feeding port (4) is provided on the top surface at one end of the screening drum (2); a rotating rod (5) is rotatably connected to the inside of the screening box (1), and the rotating rod (5) passes through the inside of the screening drum (2); the spiral blade (6) is fixedly connected to the outer surface of the rotating rod (5) at the screening drum (2); a rotating motor (7) is installed on one side surface of the screening box (1) at the rotating rod (5), and the output end of the rotating motor (7) is fixedly connected to the rotating rod (5).
3. The multi-stage seed screening device according to claim 2, characterized in that: A discharge port (8) is provided on the bottom surface of one end of the screening drum (2), and a discharge pipe (9) is fixedly connected to the screening drum (2) at the discharge port (8), and a guide plate (10) is fixedly connected inside the discharge pipe (9).
4. The multi-stage seed screening device according to claim 1, characterized in that: A turntable (11) is rotatably connected to the interior of one side of the screening box (1), and the surface of the turntable (11) is rotatably connected to the screening drum (2). A driving bracket (14) is fixedly connected to the outer surface of the screening box (1) located at the turntable (11). A driving motor (15) is installed on the surface of the driving bracket (14), and the output end of the driving motor (15) is fixedly connected to the turntable (11).
5. The multi-stage seed screening device according to claim 1, characterized in that: The air suction mechanism (24) comprises a fan bracket (17), a suction fan blade (18) and a suction motor (19); a discharge port (16) is provided on one side surface of the screening box (1); a fan bracket (17) is fixedly connected to the surface of one side of the screening box (1) at the discharge port (16); suction fan blades (18) are sequentially installed on the surface of the fan bracket (17) near the discharge port (16); a suction motor (19) is sequentially installed on the other side surface of the fan bracket (17); and an output end of the suction motor (19) is fixedly connected to the suction fan blade (18).
6. The multi-stage seed screening device according to claim 1, characterized in that: A recovery box (20) is installed inside the bottom end of the screening box (1).
7. The multi-stage seed screening device according to claim 1, characterized in that: A control panel (21) is installed on the front surface of the screening box (1), and the rotating motor (7), the driving motor (15) and the suction motor (19) are all electrically controlled and connected by the control panel (21).