Agricultural planting seed production screening device

Abstract

The utility model discloses a kind of screening equipment for agricultural planting seed production, including base, the upper surface of base is fixedly connected with four L type fixed column, one end of four L type fixed column is fixedly connected with screening box in common, one side of the screening box is slidably connected with sliding plate, the one side of the sliding plate is equipped with sliding slot, the sliding slot is slidably connected with screening plate, the far side of the screening plate is equipped with clamping hole, the far side of the sliding plate is equipped with quick-release structure, the upper surface of screening box is fixedly connected with conveying pipe. The utility model, by setting fixed frame, sliding rod, clamping column, fork and spring etc., the fork is stirred, the sliding rod is moved by fork, the clamping column is driven by sliding rod to separate clamping hole, and spring is compressed, then screening plate is extracted, different screening plate is replaced according to the size of seed size by staff, without replacing special screening equipment, reduce equipment investment cost.

Description

Technical Field

[0001] This utility model relates to the field of agricultural seed technology, and in particular to a screening device for agricultural seed production. Background Technology

[0002] Agricultural seeds are materials used in agricultural production for the propagation and cultivation of crops. They are reproductive organs formed from ovules through fertilization and consist of three parts: seed coat, embryo, and endosperm. The production of agricultural seeds requires the removal of internal impurities through screening equipment.

[0003] However, most existing screening equipment has limitations. Different seeds have large size differences, requiring the replacement with specialized screening equipment, which increases the equipment investment cost. Therefore, a screening device for agricultural seed production is proposed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a screening device for agricultural seed production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a screening device for agricultural seed production, comprising a base, four L-shaped fixed columns fixedly connected to the upper surface of the base, a screening box fixedly connected to one end of the four L-shaped fixed columns, a sliding plate slidably connected to one side of the screening box, a sliding groove provided on one side of the sliding plate, a screening plate slidably connected in the sliding groove, a snap-fit ​​hole provided on the opposite side of the screening plate, a quick-release structure provided on the opposite side of the sliding plate, a conveying pipe fixedly connected to the upper surface of the screening box, the bottom of the conveying pipe communicating with the upper surface of the screening box, a storage hopper fixedly connected to the upper surface of the conveying pipe, the bottom of the storage hopper communicating with the upper surface of the conveying pipe, a rotating structure provided inside the conveying pipe, a dust cover fixedly connected to one side of the screening box, and a feeding frame and a discharge box fixedly connected to the other side;

[0006] The quick-release structure includes a fixed frame fixedly connected to one side of the sliding plate. A sliding rod is slidably connected through one side of the fixed frame. A snap-fit ​​post is fixedly connected to one end of the sliding rod. The snap-fit ​​post is slidably connected to the corresponding side of the fixed frame and is adapted to the corresponding snap-fit ​​hole. The sliding rod drives the snap-fit ​​post to disengage from the snap-fit ​​hole and compresses the spring, and then the screening plate is pulled out, which makes it convenient for the staff to change different screening plates according to the size of the seeds.

[0007] As a further description of the above technical solution:

[0008] The other end of the sliding rod is rotatably connected to a fork. One side of the fork is in contact with the outer wall of the fixed frame. Moving the fork causes the sliding rod to move.

[0009] As a further description of the above technical solution:

[0010] A spring is fitted on the sliding rod. One end of the spring is fixedly connected to one side of the snap-fit ​​post, and the other end is fixedly connected to one side of the inside of the fixed frame. The elasticity of the spring causes the snap-fit ​​post to snap into the corresponding snap-fit ​​hole, thereby fixing the screening plate.

[0011] As a further description of the above technical solution:

[0012] The rotating structure includes a first rotating rod rotatably connected inside the conveying pipe. One end of the first rotating rod passes through one side of the conveying pipe and is fixedly connected to a first sprocket. A first auger is fixedly connected to the first rotating rod. A first servo motor is fixedly connected to one side of the conveying pipe. The output shaft of the first servo motor is fixedly connected to one end of the first rotating rod. The first servo motor drives the first rotating rod to rotate. The first rotating rod conveys the seeds into the screening box through the first auger and onto the screening plate.

[0013] As a further description of the above technical solution:

[0014] The screening box is internally connected to a second rotating rod, one end of which passes through one side of the screening box and is fixedly connected to a second sprocket. A chain is movably mounted on both the second and first sprockets. A second auger is fixedly connected to the second rotating rod. When the first rotating rod rotates, it drives the chain to rotate via the first sprocket. The chain then drives the second rotating rod to rotate via the second sprocket. The second rotating rod drives the second auger to rotate, which in turn transports impurities toward the discharge box and discharges them from the bottom of the discharge box. Through the linkage design of the first servo motor, the synchronous operation of seed conveying and impurity discharge is achieved, effectively reducing operating costs.

[0015] As a further description of the above technical solution:

[0016] A fixed plate is fixedly connected to one side of the screening box, and a rotating shaft is rotatably connected to the bottom of the fixed plate. A second servo motor is fixedly connected to the upper surface of the fixed plate. The output shaft of the second servo motor is fixedly connected to the other end of the rotating shaft. A rotating disk is fixedly connected to the bottom of the rotating shaft, and a toggle column is fixedly connected to the bottom of the rotating disk. The second servo motor drives the rotating disk to rotate through the rotating shaft, which in turn drives the toggle column to rotate.

[0017] As a further description of the above technical solution:

[0018] A movable column is fixedly connected to one side of the sliding plate. A movable groove is provided on the upper surface of the movable column. The inside of the movable groove is slidably connected to the actuating column. The actuating column drives the movable column to shake through the movable groove. The movable column drives the screening plate to shake through the sliding plate, thereby screening the seeds.

[0019] This utility model has the following beneficial effects:

[0020] 1. Compared with existing technologies, this agricultural seed production screening equipment uses a fixed frame, sliding rod, locking column, fork, and spring. By moving the fork, the sliding rod moves the locking column away from the locking hole and compresses the spring, allowing the screening plate to be pulled out. This makes it convenient for workers to change different screening plates according to the size of the seeds, eliminating the need to replace with dedicated screening equipment and reducing equipment investment costs.

[0021] 2. Compared with existing technologies, this agricultural seed production screening equipment, by setting up a first servo motor, a first rotating rod, a first auger, a first sprocket, a second rotating rod, a second auger, a second sprocket, and a chain, etc., allows the first servo motor to drive the first rotating rod to rotate. The first rotating rod, through the first auger, conveys the seeds into the screening box and onto the screening plate. At the same time, the rotation of the first rotating rod drives the chain to rotate through the first sprocket. The chain, through the second sprocket, drives the second rotating rod to rotate. The second rotating rod drives the second auger to rotate. The second auger conveys impurities towards the discharge box and discharges them from the bottom of the discharge box. Through the linkage design of the first servo motor, the synchronous operation of seed conveying and impurity discharge is achieved, effectively reducing operating costs. Attached Figure Description

[0022] Figure 1 This is a first-view three-dimensional structural diagram of a screening device for agricultural seed production proposed in this utility model.

[0023] Figure 2 This utility model proposes a screening device for agricultural seed production. Figure 1 - Enlarged view of section A;

[0024] Figure 3 This is a second-view three-dimensional structural diagram of a screening device for agricultural seed production proposed in this utility model.

[0025] Figure 4 This is a cross-sectional view of the screening box of a screening device for agricultural seed production proposed in this utility model;

[0026] Figure 5 This is a schematic diagram of a sliding plate and a screening plate for a screening device used in agricultural seed production according to the present invention.

[0027] Figure 6This is an exploded view of the sliding plate and screening plate of a screening device for agricultural seed production proposed in this utility model;

[0028] Figure 7 This is a schematic diagram of the quick-disassembly structure of a screening device for agricultural seed production proposed in this utility model.

[0029] Figure 8 This is an exploded view of the quick-disassembly structure of a screening device for agricultural seed production proposed in this utility model.

[0030] Figure 9 This is a schematic diagram of the rotating structure of a screening device for agricultural seed production proposed in this utility model;

[0031] Figure 10 This is an exploded view of the rotating structure of a screening device for agricultural seed production proposed in this utility model.

[0032] Legend:

[0033] 1. Base; 2. L-shaped fixed column; 3. Screening box; 4. Sliding plate; 5. Screening plate; 6. Quick-release structure; 601. Fixed frame; 602. Sliding rod; 603. Snap-fit ​​column; 604. Shift fork; 605. Spring; 7. Conveying pipe; 8. Storage hopper; 9. Dust cover; 10. Rotating structure; 101. First servo motor; 102. First rotating rod; 103. First auger; 104. First sprocket; 105. Second rotating rod; 106. Second auger; 107. Second sprocket; 108. Chain; 11. Discharge frame; 12. Fixed plate; 13. Second servo motor; 14. Rotary disk; 15. Shifting column; 16. Moving column; 17. Discharge box. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Reference Figures 1 to 10This utility model provides a screening device for agricultural seed production: It includes a base 1, with four L-shaped fixing columns 2 fixedly connected to the upper surface of the base 1. A screening box 3 is fixedly connected to one end of each of the four L-shaped fixing columns 2. A sliding plate 4 is slidably connected to one side of the screening box 3. A sliding groove is provided on one side of the sliding plate 4, and a screening plate 5 is slidably connected within the sliding groove. Each screening plate 5 has a snap-fit ​​hole on its opposite side, and a quick-release structure 6 is provided on the opposite side of the sliding plate 4. The screening box 3... A conveying pipe 7 is fixedly connected to the upper surface. The bottom of the conveying pipe 7 is connected to the upper surface of the screening box 3. A storage hopper 8 is fixedly connected to the upper surface of the conveying pipe 7. The bottom of the storage hopper 8 is connected to the upper surface of the conveying pipe 7. A rotating structure 10 is provided inside the conveying pipe 7. A dust cover 9 is fixedly connected to one side of the screening box 3. A feeding frame 11 and a discharge box 17 are fixedly connected to the other side. The dust cover 9 prevents external dust and other impurities from falling onto the first sprocket 104, the second sprocket 107, and the chain 108.

[0036] To facilitate replacement, the quick-release structure 6 includes a fixed frame 601 fixedly connected to one side of the sliding plate 4. A sliding rod 602 is slidably connected through one side of the fixed frame 601. A locking post 603 is fixedly connected to one end of the sliding rod 602. A spring 605 is sleeved on the sliding rod 602. One end of the spring 605 is fixedly connected to one side of the locking post 603, and the other end is fixedly connected to the inside side of the fixed frame 601. The locking post 603 is slidably connected to the corresponding side of the fixed frame 601 and is adapted to the corresponding locking hole. A fork 604 is rotatably connected to the other end of the sliding rod 602. One side of the fork 604 is in contact with the outer wall of the fixed frame 601. When the fork 604 is moved, the fork 604 drives the sliding rod 602 to move. The sliding rod 602 drives the locking post 603 to disengage from the locking hole and compresses the spring 605. Then the screening plate 5 can be pulled out. This allows the staff to easily replace different screening plates 5 according to the size of the seeds without replacing the special screening equipment, thus reducing equipment investment costs.

[0037] To achieve rotation, the rotating structure 10 includes a first rotating rod 102 rotatably connected inside the conveying pipe 7. One end of the first rotating rod 102 passes through one side of the conveying pipe 7 and is fixedly connected to a first sprocket 104. A first auger 103 is fixedly connected to the first rotating rod 102. A first servo motor 101 is fixedly connected to one side of the conveying pipe 7. The output shaft of the first servo motor 101 is fixedly connected to one end of the first rotating rod 102. A second rotating rod 105 is rotatably connected inside the screening box 3. One end of the second rotating rod 105 passes through one side of the screening box 3 and is fixedly connected to a second sprocket 107. A chain 108 is movably mounted on both the second sprocket 107 and the first sprocket 104. A second auger 106 is fixedly connected to the moving rod 105. The first servo motor 101 drives the first rotating rod 102 to rotate. The first rotating rod 102 conveys the seeds into the screening box 3 through the first auger 103 and they fall onto the screening plate 5. At the same time as the first rotating rod 102 rotates, it drives the chain 108 to rotate through the first sprocket 104. The chain 108 drives the second rotating rod 105 to rotate through the second sprocket 107. The second rotating rod 105 drives the second auger 106 to rotate. The second auger 106 conveys impurities toward the discharge box 17 and discharges them from the bottom of the discharge box 17. Through the linkage design of the first servo motor 101, the synchronous operation of seed conveying and impurity discharge is realized, which effectively reduces operating costs.

[0038] To achieve the shaking effect, a fixed plate 12 is fixedly connected to one side of the screening box 3. A rotating shaft is rotatably connected to the bottom of the fixed plate 12. A second servo motor 13 is fixedly connected to the upper surface of the fixed plate 12. The output shaft of the second servo motor 13 is fixedly connected to the other end of the rotating shaft. A rotating disk 14 is fixedly connected to the bottom of the rotating shaft. A toggle column 15 is fixedly connected to the bottom of the rotating disk 14. A movable column 16 is fixedly connected to one side of the sliding plate 4. A movable groove is provided on the upper surface of the movable column 16. The interior of the movable groove is slidably connected to the toggle column 15. The second servo motor 13 drives the rotating disk 14 to rotate through the rotating shaft. The rotating disk 14 drives the toggle column 15 to rotate. The toggle column 15 drives the movable column 16 to shake through the movable groove. The movable column 16 drives the screening plate 5 to shake through the sliding plate 4, thereby screening the seeds.

[0039] Working principle: The fork 604 is moved, causing the sliding rod 602 to move. The sliding rod 602 causes the locking pin 603 to disengage from the locking hole and compresses the spring 605, allowing the screening plate 5 to be pulled out. This facilitates the replacement of different screening plates 5 according to seed size, eliminating the need for dedicated screening equipment and reducing equipment investment costs. After replacement, the seeds are poured into the storage hopper 8. Then, the first servo motor 101 drives the first rotating rod 102 to rotate. The first rotating rod 102, through the first auger 103, transports the seeds into the screening box 3, where they fall onto the screening plate 5. Simultaneously, the second servo motor 13 drives the rotating disk 14 to rotate via a rotating shaft. The rotating disk 14 drives the actuating pin 15 to rotate, thus actuating the seeds. The column 15 drives the movable column 16 to shake via the movable groove. The movable column 16 drives the screening plate 5 to shake via the sliding plate 4, thus screening the seeds. The seeds are discharged through the feeding frame 11, and the impurities fall into the bottom of the screening box 3 via the screening plate 5. Then, while the first rotating rod 102 rotates, it drives the chain 108 to rotate via the first sprocket 104. The chain 108 drives the second rotating rod 105 to rotate via the second sprocket 107. The second rotating rod 105 drives the second auger 106 to rotate. The second auger 106 conveys the impurities towards the discharge box 17 and discharges them from the bottom of the discharge box 17. Through the linkage design of the first servo motor 101, the synchronous operation of seed conveying and impurity discharge is realized, effectively reducing operating costs.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 screening device for agricultural seed production, comprising a base (1), characterized in that: Four L-shaped fixing posts (2) are fixedly connected to the upper surface of the base (1). A screening box (3) is fixedly connected to one end of each of the four L-shaped fixing posts (2). A sliding plate (4) is slidably connected to one side of the screening box (3). A sliding groove is provided on one side of the sliding plate (4), and a screening plate (5) is slidably connected within the sliding groove. A snap-fit ​​hole is provided on the opposite side of each screening plate (5), and a quick-release structure (6) is provided on the opposite side of each sliding plate (4). A conveying pipe (7) is fixedly connected to the upper surface of the screening box (3). The bottom of the conveying pipe (7) is connected to the upper surface of the screening box (3). A storage hopper (8) is fixedly connected to the upper surface of the conveying pipe (7). The bottom of the storage hopper (8) is connected to the upper surface of the conveying pipe (7). A rotating structure (10) is provided inside the conveying pipe (7). A dust cover (9) is fixedly connected to one side of the screening box (3), and a feeding frame (11) and a discharge box (17) are fixedly connected to the other side. The quick-release structure (6) includes a fixed frame (601) fixedly connected to one side of the sliding plate (4). A sliding rod (602) is slidably connected through one side of the fixed frame (601). A snap-fit ​​post (603) is fixedly connected to one end of the sliding rod (602). The snap-fit ​​post (603) is slidably connected to the corresponding side of the fixed frame (601) and is adapted to the corresponding snap-fit ​​hole.

2. The screening equipment for agricultural seed production according to claim 1, characterized in that: The other end of the sliding rod (602) is rotatably connected to a fork (604), one side of which is in contact with the outer wall of the fixed frame (601).

3. The screening equipment for agricultural seed production according to claim 1, characterized in that: A spring (605) is fitted on the sliding rod (602). One end of the spring (605) is fixedly connected to one side of the snap-fit ​​post (603), and the other end is fixedly connected to one side of the inside of the fixed frame (601).

4. The screening equipment for agricultural seed production according to claim 1, characterized in that: The rotating structure (10) includes a first rotating rod (102) rotatably connected inside the conveying pipe (7). One end of the first rotating rod (102) passes through one side of the conveying pipe (7) and is fixedly connected to a first sprocket (104). A first auger (103) is fixedly connected to the first rotating rod (102). A first servo motor (101) is fixedly connected to one side of the conveying pipe (7). The output shaft of the first servo motor (101) is fixedly connected to one end of the first rotating rod (102).

5. The screening equipment for agricultural seed production according to claim 4, characterized in that: The screening box (3) is rotatably connected to a second rotating rod (105). One end of the second rotating rod (105) passes through one side of the screening box (3) and is fixedly connected to a second sprocket (107). The second sprocket (107) and the first sprocket (104) are movably fitted with a chain (108). The second rotating rod (105) is fixedly connected to a second auger (106).

6. The screening equipment for agricultural seed production according to claim 1, characterized in that: A fixed plate (12) is fixedly connected to one side of the screening box (3). A rotating shaft is rotatably connected to the bottom of the fixed plate (12). A second servo motor (13) is fixedly connected to the upper surface of the fixed plate (12). The output shaft of the second servo motor (13) is fixedly connected to the other end of the rotating shaft. A rotating disk (14) is fixedly connected to the bottom of the rotating shaft. A toggle column (15) is fixedly connected to the bottom of the rotating disk (14).

7. A screening device for agricultural seed production according to claim 6, characterized in that: A movable column (16) is fixedly connected to one side of the sliding plate (4). A movable groove is provided on the upper surface of the movable column (16), and the interior of the movable groove is slidably connected to the actuating column (15).

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