Three-layer-structure seed sowing device for small-particle seeds
Through the design of a three-layer structure seeder, quantitative sowing and intersowing of small-grain seeds are realized, solving the problems of uneven sowing and seed damage in existing equipment, and improving seed efficiency and stability.
Patent Information
- Application Number
- CN202422625459.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing seeds are difficult to achieve stable, uniform and efficient sowing of small-grain seeds, and they are prone to seed damage.
A three-layer structure seeding device is adopted, including a storage silo, a material control slide and a driving mechanism. The quantitative sowing and intersowing of seeds are achieved through the reciprocating movement of the material control slide to ensure smooth seeds falling.
Improves seeding efficiency and uniformity, protects seeds, avoids seeds stuck and damaged, and ensures stability of displacement.
Smart Images
Figure CN223274497U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seed metering devices, in particular to a seed metering device with a three-layer structure used for small-particle seeds. Background Art
[0002] With the development of agricultural modernization, the sowing technology of small-particle seeds (such as wheat, corn, soybeans, etc.) has gradually become an important part of improving agricultural production efficiency and crop yields. Small-particle seeds are usually small in size and light in weight, and the seed surface is smooth, which makes them easy to flow during the sowing process. These characteristics make the sowing process challenging, and special sowing equipment is required to ensure precise placement. Existing technologies in the field of sowing mainly include traditional manual sowing and mechanized sowing equipment.
[0003] Traditional manual sowing methods rely on manual sowing of seeds one by one in the field. This method is inefficient, labor-intensive, and difficult to ensure uniformity and accuracy of sowing.
[0004] The core component of mechanized seeding is the seed meter, which includes finger-clamp seed meters, external groove wheel seed meters, and disc seed meters. The finger-clamp seed meter completes the seeding operation through seed clamping, vibrating seed cleaning, and flexible seed guiding. However, this type of seed meter is generally only suitable for a certain type of seed and may not be able to clamp some seeds that are too large or too small. In addition, the seeds may be damaged during the clamping process. The external groove wheel seed meter mainly releases seeds by dropping them into the seed tube through the rotation of the external groove wheel. However, this is prone to pulsation, resulting in uneven seed discharge. The disc seed meter rotates the disc through the chain. When the disc rotates to the seed bin, the groove will clamp a certain amount of seeds. When the disc rotates to the release position, the seeds will fall through the hole to the sowing position due to gravity. However, at high speeds, the seed discharge of the seed meter may be unstable, resulting in missed seeds.
[0005] Therefore, in order to solve the above problems, a three-layer structure seed metering device for small-particle seeds is proposed. Utility Model Content
[0006] The technical problem to be solved by the present invention is to provide a three-layer structure seeding device for small-particle seeds, which completes the seeding work through a three-layer seeding structure, specifically including a drop-out port opened on the bottom plate of the storage bin, a control port opened on the material control slide plate, and a discharge port opened on the discharge plate, wherein the material control slide plate is driven to reciprocate by a driving mechanism, and when the material control slide plate slides to the point where the control port is aligned with the drop-out port, the seeds fall into the control port, and then when the material control slide plate slides to the point where the control port is aligned with the discharge port, the seeds fall from the discharge port, and such reciprocating motion can realize quantitative sowing and inter-sowing of seeds, which not only improves the sowing efficiency, but also can play a certain protective role for the seeds. At the same time, the displacement is stable and the sowing is uniform, which solves the technical problems that the common seeding devices in the prior art are difficult to stably and evenly take and discharge small-particle seeds, and are prone to seed damage during the sowing process.
[0007] The technical solution adopted by the embodiment of the present application to solve the technical problem is:
[0008] A three-layer seed metering device for small-particle seeds includes a storage bin for storing seeds, a discharge plate fixedly provided on the lower end surface of the storage bin, a material control slide plate slidingly provided between the storage bin and the discharge plate, and a driving mechanism for driving the material control slide plate to slide back and forth, wherein the storage bin bottom plate is provided with a discharge port, the material control slide plate is provided with a material control port, and the discharge plate is provided with a discharge port. When the material control slide plate slides to the point where the material control port is aligned with the discharge port, the seeds fall into the material control port; when the material control slide plate slides to the point where the material control port is aligned with the discharge port, the seeds fall from the discharge port. Such reciprocating operation can realize quantitative sowing and inter-sowing of seeds, which not only improves the sowing efficiency, but also can provide a certain degree of protection for the seeds. At the same time, the displacement is stable and the sowing is uniform.
[0009] In one possible implementation, the apertures of the drop port, discharge port and control port are different, among which the discharge port has the largest aperture, the control port has the second largest aperture, and the drop port has the smallest aperture. Since the structures through which the seeds fall are the drop port, control port and discharge port in sequence, this arrangement of successively increasing apertures can ensure the smooth falling of the seeds and is less likely to cause the seeds to get stuck.
[0010] In one possible implementation, the driving mechanism includes a driving motor and a transmission slider, wherein the driving motor is installed on the blanking plate through a motor support plate, and its output shaft is fixedly connected to a transmission screw, and the transmission slider is slidably arranged in a matching slide groove opened on the blanking plate. This structural form can ensure that the transmission slider always moves along the groove during the sliding process and will not offset, and the upper end of the transmission slider is fixedly connected to the material control slide, and the transmission screw is threadedly connected to the transmission slider. When the driving motor drives the transmission screw to rotate, the transmission screw will drive the transmission slider threadedly connected to it to move, and then drive the material control slide to move. The reciprocating movement of the material control slide can be controlled by controlling the driving motor to move forward and reverse.
[0011] In one possible implementation, the driving mechanism includes a driving motor and a transmission slider, wherein the driving motor is installed on the storage bin through a motor support plate, the transmission slider is slidably arranged in a matching slide groove opened on the blanking plate, and its upper end is fixedly connected to the material control slide, and the output shaft of the driving motor is fixedly connected to an active connecting rod through a transmission coupling, and the end of the active connecting rod is rotatably connected to a driven connecting rod, and the end of the driven connecting rod is rotatably connected to the transmission slider. When the driving motor is working, it will drive the active connecting rod to rotate, and then pull the end of the driven connecting rod to rotate in a circle, and the material control slide is driven to slide back and forth by pulling the transmission slider through the driven connecting rod. This driving form does not require controlling the reciprocating forward and reverse rotation of the driving motor, and can extend the service life of the driving motor.
[0012] In one possible implementation, a guide rail is fixedly provided on the blanking plate, and rollers are installed on both sides of the material control slide plate. The rollers are arranged to roll on the guide rails. The rollers can slide along the guide rails to avoid direct sliding contact between the material control slide plate and the blanking plate, which can significantly reduce the friction between the structures and extend the service life.
[0013] In one possible implementation, a guide bar is fixedly provided on the blanking plate, a guide groove is provided on the guide bar, and a round-head slide is fixedly provided on the upper end surface of the material control slide, wherein the round-head slide is tightly fitted and in sliding contact with the guide bar and its guide groove, and the round-head slide slides inside the guide bar and produces a carding effect with it, which can limit the material control slide, preventing it from offsetting during the sliding process and making the material control port unable to be aligned with the blanking port and the discharge port.
[0014] In one possible implementation, a guide hopper is formed on the upper end surface of the bottom plate of the storage bin around the discharge port, and a guide inclined plate is provided inside the storage bin to guide the hopper. This structural form can guide the seeds to the discharge port as much as possible, facilitate the discharge of seeds, and avoid the accumulation of a large number of seeds in the bin.
[0015] In one possible implementation, the discharge port is connected to a material guide pipe, which is composed of a threaded joint and a hose with a smooth inner wall. The hose can adjust the end position at will according to the terrain to make it easy to use, and the threaded joint facilitates the later maintenance and replacement of the material guide pipe.
[0016] In summary, the present invention has the following beneficial technical effects:
[0017] The seeding work is completed through a three-layer seeding structure, which specifically includes a drop-out port opened on the bottom plate of the storage bin, a material control port opened on the material control slide plate, and a discharge port opened on the discharge plate. The material control slide plate is driven to reciprocate by a driving mechanism. When the material control slide plate slides to the point where the material control port is aligned with the drop-out port, the seeds fall into the material control port. Then, when the material control slide plate slides to the point where the material control port is aligned with the discharge port, the seeds fall from the discharge port. This reciprocating motion can achieve quantitative sowing and inter-sowing of seeds, which not only improves the sowing efficiency, but also protects the seeds to a certain extent. At the same time, the displacement is stable and the sowing is uniform. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a cross-sectional view of the overall structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the three-layer seed arrangement structure of the utility model;
[0022] Figure 4 This is a schematic diagram of the driving mechanism structure of the utility model;
[0023] Figure 5 It is a schematic diagram of the local structure of the utility model.
[0024] In the figure: 1. Storage bin; 11. Material discharge port; 12. Material guide hopper; 13. Material guide inclined plate; 2. Material discharge plate; 21. Material discharge port; 22. Matching slide; 23. Guide rail; 24. Guide bar; 25. Guide groove; 3. Material control slide; 31. Material control port; 32. Roller; 33. Round head slide; 41. Motor support plate; 42. Drive motor; 43. Transmission screw; 44. Transmission slider; 45. Transmission coupling; 46. Active connecting rod; 47. Driven connecting rod; 5. Material guide pipe. DETAILED DESCRIPTION
[0025] The technical solution in the embodiments of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:
[0026] like Figure 1 - Figure 3 As shown, the present embodiment provides a three-layer structure seed metering device for small-particle seeds, including a storage bin 1, which is used to store seeds, and a blanking plate 2 is fixedly provided on the lower end surface of the storage bin 1, and a material control slide 3 is slidingly provided between the storage bin 1 and the blanking plate 2, and a driving mechanism is used to drive the material control slide 3 to slide back and forth, wherein the bottom plate of the storage bin 1 is provided with a blanking port 11, the material control slide 3 is provided with a material control port 31, and the blanking plate 2 is provided with a discharge port 21. When the material control slide 3 slides to the material control port 31 and is aligned with the blanking port 11, the seeds fall into the material control port 31, and when the material control slide 3 slides to the material control port 31 and is aligned with the discharge port 21, the seeds fall from the discharge port 21. Such reciprocating operation can realize quantitative sowing and inter-sowing of seeds, which not only improves the sowing efficiency, but also can play a certain protective role for the seeds. At the same time, the displacement is stable and the sowing is uniform.
[0027] Among them, the apertures of the drop port 11, the discharge port 21 and the control port 31 are different. Among them, the discharge port 21 has the largest aperture, the control port 31 has the second largest aperture, and the drop port 11 has the smallest aperture. Since the structures through which the seeds fall are the drop port 11, the control port 31, and the discharge port 21 in sequence, this arrangement of successively increasing apertures can ensure the smooth falling of the seeds and is less likely to cause seeds to get stuck.
[0028] like Figure 3 - Figure 4 As shown, the driving mechanism includes a driving motor 42 and a transmission slider 44, wherein the driving motor 42 is installed on the blanking plate 2 through the motor support plate 41, and its output shaft is fixedly connected to the transmission screw 43, and the transmission slider 44 is slidably set in the matching slide groove 22 opened on the blanking plate 2. This structural form can ensure that the transmission slider 44 always moves along the groove during the sliding process, and there will be no offset, and the upper end of the transmission slider 44 is fixedly connected to the material control slide 3, and the transmission screw 43 is threadedly connected to the transmission slider 44. When the driving motor 42 drives the transmission screw 43 to rotate, the transmission screw 43 will drive the transmission slider 44 threadedly connected to it to move, thereby driving the material control slide 3 to move. The reciprocating movement of the material control slide 3 can be controlled by controlling the drive motor 42 to reverse forward and backward.
[0029] The gear train 42 is rotated by the driven link 47 and the driven link 47 is rotated by the driven link 47 so that the gear train 42 can be rotated back and forth.
[0030] like Figure 5 As shown, a guide rail 23 is fixedly provided on the blanking plate 2, and rollers 32 are installed on both sides of the material control slide plate 3. The rollers 32 are rollingly set on the guide rail 23. The rollers 32 can slide along the guide rail 23 to avoid direct sliding contact between the material control slide plate 3 and the blanking plate 2, which can significantly reduce the friction between the structures and extend the service life.
[0031] In addition, a guide bar 24 is fixedly provided on the blanking plate 2, and a guide groove 25 is opened on the guide bar 24. A round-head slide bar 33 is fixedly provided on the upper end surface of the material control slide plate 3, wherein the round-head slide bar 33 is tightly fitted and in sliding contact with the guide bar 24 and its guide groove 25. The round-head slide bar 33 slides in the guide bar 24 and produces a carding effect with it, which can limit the material control slide plate 3 and prevent it from offsetting during the sliding process, so that the material control port 31 cannot be aligned with the blanking port 11 and the discharge port 21.
[0032] like Figure 2 - Figure 3 As shown, the upper end surface of the bottom plate of the storage bin 1 is processed around the discharge port 11 to form a guide hopper 12, and a guide inclined plate 13 is provided in the storage bin 1 to guide the hopper 12. This structural form can guide the seeds to the discharge port 11 as much as possible, facilitate the discharge of seeds, and avoid the accumulation of too many seeds in the bin.
[0033] like Figure 1 - Figure 2 As shown, the discharge port 21 is connected to a material guide pipe 5, which is composed of a threaded joint and a hose with a smooth inner wall. The hose can adjust the position of the pipe end at will according to the terrain, making it easy to use, and the threaded joint facilitates the later maintenance and replacement of the material guide pipe 5.
[0034] The use principle and use process of this utility model:
[0035] The driving mechanism is used to drive the material control slide 3 to slide back and forth. When the material control slide 3 slides to the point where the material control port 31 is aligned with the drop port 11, the seeds fall into the material control port 31. When the material control slide 3 slides to the point where the material control port 31 is aligned with the discharge port 21, the seeds fall from the discharge port 21. This reciprocating process can achieve quantitative sowing and inter-sowing of seeds, which not only improves the sowing efficiency, but also provides a certain degree of protection for the seeds. At the same time, the displacement is stable and the sowing is uniform.
[0036] In the above scheme, the aperture of the discharge port 21 is the largest, the aperture of the control port 31 is the second largest, and the aperture of the drop port 11 is the smallest. Since the structures through which the seeds fall are the drop port 11, the control port 31, and the discharge port 21 in sequence, this arrangement of successively increasing apertures can ensure the smooth falling of the seeds and is less likely to cause the seeds to get stuck.
[0037] In addition, the roller 32 can slide along the guide rail 23 to avoid direct sliding contact between the material control slide 3 and the blanking plate 2, which can significantly reduce the friction between the structures and extend the service life. The round-head slide 33 slides in the guide bar 24 and generates a card engagement with it. This structural form can limit the material control slide 3 and prevent it from offsetting during the sliding process, making the material control port 31 unable to align with the blanking port 11 and the discharge port 21.
[0038] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all possible embodiments. However, any obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.
Claims
1. A three-layer seed metering device for small-particle seeds, characterized in that: include: A storage bin (1) is used to store seeds, a blanking plate (2) is fixedly provided on the lower end surface thereof, and a material control slide plate (3) is slidably provided between the storage bin (1) and the blanking plate (2); A driving mechanism for driving the material control slide plate (3) to slide back and forth; The bottom plate of the storage bin (1) is provided with a drop opening (11), the material control slide plate (3) is provided with a material control opening (31), and the discharge plate (2) is provided with a discharge opening (21). When the material control slide plate (3) slides to align the material control opening (31) with the drop opening (11), the seeds fall into the material control opening (31); when the material control slide plate (3) slides to align the material control opening (31) with the discharge opening (21), the seeds fall from the discharge opening (21).
2. A three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: The apertures of the blanking port (11), the discharge port (21) and the control port (31) are different. The discharge port (21) has the largest aperture, the control port (31) has the second largest aperture, and the blanking port (11) has the smallest aperture.
3. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: The driving mechanism includes a driving motor (42) and a transmission slider (44), wherein the driving motor (42) is installed on the blanking plate (2) through a motor support plate (41), and its output shaft is fixedly connected to a transmission screw (43), the transmission slider (44) is slidably arranged in a matching slide groove (22) provided on the blanking plate (2), and the upper end of the transmission slider (44) is fixedly connected to the material control slide plate (3), and the transmission screw (43) is threadedly connected to the transmission slider (44).
4. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: The driving mechanism comprises a driving motor (42) and a transmission slider (44), wherein the driving motor (42) is mounted on the storage bin (1) via a motor support plate (41), the transmission slider (44) is slidably arranged in a matching slide groove (22) provided on the blanking plate (2), and its upper end is fixedly connected to the material control slide plate (3), the output shaft of the driving motor (42) is fixedly connected to an active connecting rod (46) via a transmission coupling (45), the end of the active connecting rod (46) is rotatably connected to a driven connecting rod (47), and the end of the driven connecting rod (47) is rotatably connected to the transmission slider (44).
5. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: A guide rail (23) is fixedly provided on the blanking plate (2), and rollers (32) are installed on both sides of the material control slide plate (3), and the rollers (32) are rollingly provided on the guide rail (23).
6. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: A guide bar (24) is fixedly provided on the blanking plate (2), and a guide groove (25) is provided on the guide bar (24). A round-headed slide bar (33) is fixedly provided on the upper end surface of the material control slide plate (3), wherein the round-headed slide bar (33) is in close contact with and in sliding contact with the guide bar (24) and its guide groove (25).
7. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: The upper end surface of the bottom plate of the storage bin (1) is processed around the drop opening (11) to form a guide hopper (12), and a guide inclined plate (13) is provided in the storage bin (1) to slope toward the guide hopper (12).
8. The three-layer seed metering device for small-particle seeds according to claim 1, characterized in that: The material outlet (21) is connected to a material guide pipe (5), which is composed of a threaded joint and a hose with a smooth inner wall.