Seed metering device with intercropping, sowing and fertilizing integrated function

By designing a seed metering device consisting of a seed trough shell, a rotatable clamping seed metering unit, and an adjustment mechanism, the problem of uneven sowing in existing technologies has been solved, achieving uniform sowing and fertilization integration, and improving sowing efficiency and effectiveness.

CN224205700UActive Publication Date: 2026-05-08YANSHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANSHAN UNIV
Filing Date
2025-03-25
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing intercropping sowing equipment is affected by rotation speed, which can easily lead to uneven sowing, missed sowing or double sowing, thus affecting sowing efficiency and effectiveness.

Method used

A seed metering device with integrated intercropping, sowing, and fertilization functions was designed, including a seed trough shell, a rotatable clamping seed metering unit, an adjustment mechanism, a feeding mechanism, and a feeding mechanism. The seed clamps open and close in the trough to fix and release the seeds, adapting to different types of seeds and achieving uniform sowing.

Benefits of technology

It improves the uniformity of sowing, reduces missed sowing and double sowing, improves sowing efficiency and effectiveness, and supports simultaneous sowing and fertilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a seed-metering device with intercropping, seeding and fertilizing integrated function, which comprises a frame, a plurality of seed groove shells, a rotatable clamping type seed-metering unit, an adjusting mechanism, a blanking mechanism and a feeding mechanism, the plurality of seed groove shells are fixedly connected on the frame, the top ends of the plurality of seed groove shells are provided with feed ports, and the feed ports are connected with the rotatable clamping type seed-metering unit. A plurality of seed groove shells are arranged on the rack, discharge ports are formed in the bottom ends of the seed groove shells, rotatable clamping type seed metering units are arranged in the seed groove shells, adjusting mechanisms are arranged on the seed groove shells, the adjusting mechanisms correspond to the rotatable clamping type seed metering units in a one-to-one mode, and the discharging mechanism is arranged in the rack. According to the seed metering device with the intercropping, sowing and fertilizing integrated function, seeds can be uniformly arranged and then sown, the phenomenon of miss-sowing or repeated sowing is not likely to be caused, the seeds are fixed and released through opening and closing of the seed clamp in the sliding groove, the seed metering device can adapt to different kinds of seeds, and the sowing efficiency and effect are improved.
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Description

Technical Field

[0001] This utility model relates to the field of seeding and metering technology, specifically to a metering device with integrated functions of intercropping, sowing, and fertilization. Background Technology

[0002] In agricultural production, sowing has always been an important procedure. Intercropping refers to the planting of two or more crops in rows or strips on the same field during the same growing season. Intercropping utilizes the spatial structure principle of the community to make full use of light, space and time resources to increase crop yield.

[0003] Existing intercropping sowing equipment relies on centrifugal force to throw seeds onto baffles for sowing. However, the uniformity of centrifugal force is easily affected by rotation speed, seed shape, and coefficient of friction. This can easily lead to uneven sowing at both low and high speeds. When the rotation speed is too low, the centrifugal force is insufficient, and seeds tend to accumulate in a localized area on the baffle. When the rotation speed is too high, seeds may be thrown outside the intended sowing area, resulting in missed sowing or double sowing, which can easily affect sowing efficiency and effectiveness. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a seed metering device with integrated intercropping, sowing, and fertilization functions, thereby solving the problem mentioned in the background art where the existing technology is easily affected by rotation speed, leading to uneven sowing.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a seed metering device with integrated intercropping, sowing, and fertilization functions, including a frame, and further including: a seed trough shell, a rotatable clamping seed metering unit, an adjustment mechanism, a feeding mechanism, and a feeding mechanism;

[0008] The seed trough housing is provided in multiple ways, and all of the seed trough housings are fixedly connected to the frame. Each of the seed trough housings has a feed inlet at its top and a discharge outlet at its bottom.

[0009] Each of the seed trough housings is equipped with a rotatable clamping seed dispensing unit for clamping and releasing seeds;

[0010] Each of the seed trough housings is provided with an adjustment mechanism, and each of the adjustment mechanisms corresponds to a rotatable clamping seed metering unit, and is used to adjust the clamping force of the rotatable clamping seed metering unit.

[0011] The feeding mechanism is installed inside the frame and corresponds to multiple discharge ports;

[0012] The feeding mechanism is located at the top of the frame and is used to feed different seeds.

[0013] Preferably, the rotatable clamping seed metering unit includes: a lower groove plate, a seed clamp, a fixed shaft, a support spring, a sliding shaft, an upper groove plate, a rib rod, and a stepper motor;

[0014] The lower groove plate is rotatably connected to the inner bottom wall of the seed trough shell;

[0015] The lower groove plate is provided with multiple sliding grooves, and a seed clip is slidably connected in each of the sliding grooves;

[0016] A fixed shaft is fixedly connected to the inner wall of each of the aforementioned grooves;

[0017] Each of the seed clips is fixedly connected to a support spring, and the other end of each support spring is fixedly connected to the inner wall of the slide groove. Each of the fixed shafts is fitted with a support spring on its circumferential surface.

[0018] Each of the seed clips is fixedly connected to a sliding shaft;

[0019] The upper slot plate is disposed at the top of the lower slot plate, and the upper slot plate is provided with multiple drive slots, each of which is slidably provided with a sliding shaft.

[0020] The rib is rotatably connected inside the frame, and the lower groove plate and the upper groove plate are both fixedly connected to the rib;

[0021] The stepper motor is installed inside the frame, and the output end of the stepper motor is axially fixedly connected to the bottom end of the joist.

[0022] Furthermore, the adjustment mechanism includes: an arc-shaped rod, a drive shaft, a rotating block, a telescopic rod, and a drive assembly;

[0023] One end of the arc-shaped rod is rotatably connected to the inner top wall of the seed trough shell;

[0024] The drive shaft is fixedly connected to the top end of the arc-shaped rod, and an arc-shaped groove is provided on the seed groove housing, with the drive shaft slidably disposed within the arc-shaped groove;

[0025] The rotating block is rotatably connected to the drive shaft;

[0026] One end of the telescopic rod is fixedly connected to one side of the rotating block;

[0027] The drive assembly is located at the top of the seed groove housing and is used to drive the drive shaft to move within the arc-shaped groove.

[0028] Furthermore, the drive assembly includes: a fixed plate, a slider, a moving screw, and a first motor;

[0029] The fixing plate is provided in two parts, and both fixing plates are fixedly connected to the top of the seed trough shell;

[0030] The slider is slidably connected between two fixed plates via a sliding rod, and the other end of the telescopic rod is fixedly connected to the slider.

[0031] The movable screw is rotatably connected to two fixed plates, and the slider has a screw hole, in which the movable screw is threaded.

[0032] The first motor is mounted on one of the fixed plates, and the output end of the first motor passes through the fixed plate and is fixedly connected to the moving screw.

[0033] As a further embodiment of this application, the feeding mechanism includes: a channel conversion plate and a partition;

[0034] The channel conversion panel is fixedly connected inside the frame;

[0035] The partition is provided in two parts, both of which are fixedly connected inside the channel conversion plate. The two partitions divide the channel conversion plate into three feeding spaces, and one discharge port corresponds to one feeding space.

[0036] As a further embodiment of this application, the feeding mechanism includes: a discharge tray and a guide tray;

[0037] The feeding tray is fixedly connected to the top of the frame;

[0038] The guide plate is provided in multiple ways, and each guide plate corresponds to a feed port.

[0039] (III) Beneficial Effects

[0040] Compared with the prior art, this utility model provides a seed metering device with integrated intercropping, sowing and fertilization functions, which has the following beneficial effects:

[0041] In this invention, the seed trough shell, the rotatable clamping seed metering unit, the adjustment mechanism, the feeding mechanism, and the feeding mechanism enable the seeds to be evenly arranged before sowing, making it less likely to cause missed sowing or double sowing. Furthermore, by opening and closing the seed clamp in the trough to fix and release the seeds, it can adapt to different types of seeds, thus improving sowing efficiency and effectiveness. Attached Figure Description

[0042] Figure 1 This is a three-dimensional structural diagram of the entire application;

[0043] Figure 2 This is a three-dimensional structural diagram showing a cross-section of the present application;

[0044] Figure 3This is a three-dimensional structural schematic diagram of the seed tank shell in this application, viewed in cross-section.

[0045] Figure 4 This is a three-dimensional structural diagram of the rotatable clamping seed metering unit of this application.

[0046] In the diagram: 1. Frame; 2. Seed trough shell; 3. Lower trough plate; 4. Seed clamp; 5. Fixed shaft; 6. Support spring; 7. Sliding shaft; 8. Upper trough plate; 9. Rib rod; 10. Stepper motor; 11. Arc rod; 12. Drive shaft; 13. Rotating block; 14. Telescopic rod; 15. Fixed plate; 16. Slider; 17. Moving screw; 18. First motor; 19. Channel conversion plate; 20. Partition plate; 21. Discharge plate; 22. Guide plate; 23. Sliding rod. Detailed Implementation

[0047] 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.

[0048] Please see Figures 1 to 4 The seed metering device, which integrates intercropping, sowing, and fertilization, includes a frame 1, a seed trough shell 2, a rotatable clamping seed metering unit, an adjustment mechanism, a feeding mechanism, and a feeding mechanism. Multiple seed trough shells 2 are provided, all fixedly connected to the frame 1. Each seed trough shell 2 has a feeding port at its top and a discharge port at its bottom. Through the arrangement of the seed trough shell 2, the rotatable clamping seed metering unit, the adjustment mechanism, the feeding mechanism, and the feeding mechanism, seeds can be evenly arranged before sowing, reducing the likelihood of missed or duplicate sowing. Furthermore, the seed clamp 4 opens and closes within the trough to fix and release seeds, adapting to different types of seeds and improving sowing efficiency and effectiveness.

[0049] Each of the multiple seed trough housings 2 is equipped with a rotatable clamping seed metering unit for clamping and releasing seeds. The rotatable clamping seed metering unit includes: a lower trough plate 3, seed clips 4, a fixed shaft 5, a support spring 6, a sliding shaft 7, an upper trough plate 8, a joist 9, and a stepper motor 10. The lower trough plate 3 is rotatably connected to the inner bottom wall of the seed trough housing 2. Multiple sliding grooves are formed on the lower trough plate 3, and a seed clip 4 is slidably connected in each groove. A fixed shaft 5 is fixedly connected to the inner wall of each groove, and a support spring 6 is fixedly connected to each seed clip 4. The other end of each support spring 6 is fixedly connected to the inner wall of the slide groove. Each fixed shaft 5 has a support spring 6 fitted on its circumferential surface. Each seed clamp 4 is fixedly connected to a slide shaft 7. The upper groove plate 8 is set at the top of the lower groove plate 3. Multiple drive grooves are opened on the upper groove plate 8. A slide shaft 7 is slidably arranged in each drive groove. The rib rod 9 is rotatably connected in the frame 1. The lower groove plate 3 and the upper groove plate 8 are both fixedly connected to the rib rod 9. The stepper motor 10 is installed in the frame 1. The output end of the stepper motor 10 is axially fixedly connected to the bottom end of the rib rod 9.

[0050] The stepper motor 10 drives the joist 9 to rotate. When the joist 9 rotates, it drives the lower groove plate 3 and the upper groove plate 8 to rotate synchronously, thereby driving multiple seed clips 4 to rotate synchronously. When the seed clip 4 rotates to the position of the fixed arc rod 11, it will move away from the center of the lower groove plate 3 along the arc of the arc rod 11, compressing the support spring 6, so that the sliding groove between the seed clip 4 and the lower groove plate 3 opens and closes to the size of the seed. As it rotates away from the position of the arc rod 11, the support spring 6 extends to clamp the seed clip 4 and continues to rotate. When the clamped seed rotates to the top of the discharge port, since the end of the seed clip 4 that contacts the seed has an arc chamfer, the seed falls freely through the discharge port into the channel conversion plate 19 for sowing.

[0051] Multiple seed trough housings 2 are equipped with adjustment mechanisms, each corresponding to a rotatable clamping seed metering unit. These mechanisms adjust the clamping force of the rotatable clamping seed metering units. Each adjustment mechanism includes an arc-shaped rod 11, a drive shaft 12, a rotating block 13, a telescopic rod 14, and a drive assembly. One end of the arc-shaped rod 11 is rotatably connected to the inner top wall of the seed trough housing 2. The drive shaft 12 is fixedly connected to the top of the arc-shaped rod 11. An arc-shaped groove is formed on the seed trough housing 2, and the drive shaft 12 is slidably disposed within this groove. The rotating block 13 is rotatably connected to the drive shaft 12. One end of the telescopic rod 14 is fixedly connected to one side of the rotating block 13. The drive assembly is located on the top of the seed trough housing 2. The drive assembly includes a fixed plate 15, a slider 16, a moving screw 17, and a first motor 18. Two fixed plates 15 are provided, and both fixed plates 15 are fixedly connected to the top of the seed groove housing 2. The slider 16 is slidably connected between the two fixed plates 15 through a sliding rod 23. The other end of the telescopic rod 14 is fixedly connected to the slider 16. The moving screw 17 is rotatably connected to the two fixed plates 15. The slider 16 has a screw hole, and the moving screw 17 is threaded into the screw hole. The first motor 18 is installed on one of the fixed plates 15. The output end of the first motor 18 passes through the fixed plate 15 and is fixedly connected to the moving screw 17.

[0052] The first motor 18 drives the moving screw 17 to rotate. When the moving screw 17 rotates, it drives the slider 16 to move on the slide rod 23. When the slider 16 moves, it drives the telescopic rod 14 to move. When the telescopic rod 14 moves, it drives the rotating block 13 and the drive shaft 12 to move along the arc groove, thereby adjusting the position of the arc rod 11 and thus adjusting the opening distance of the seed clamp 4. Since the arc groove has a certain curvature, the telescopic rod 14 extends and retracts adaptively when the drive shaft 12 moves along the arc groove.

[0053] The feeding mechanism is set inside the frame 1 and corresponds to multiple discharge ports. The feeding mechanism includes a channel conversion plate 19 and a partition plate 20. The channel conversion plate 19 is fixedly connected inside the frame 1. There are two partition plates 20, both of which are fixedly connected inside the channel conversion plate 19. The two partition plates 20 divide the channel conversion plate 19 into three feeding spaces. One discharge port corresponds to one feeding space. Seeds falling from the discharge port on the seed trough shell 2 enter the feeding space, which facilitates the sowing of different types of seeds.

[0054] The feeding mechanism is located at the top of the frame 1 and is used to feed different seeds. The feeding mechanism includes a feeding tray 21 and a guide tray 22. The feeding tray 21 is fixedly connected to the top of the frame 1. There are multiple guide trays 22, each guide tray 22 corresponding to a feeding port. The multiple guide trays 22 facilitate the feeding of different types of seeds into each seed trough shell 2 for sowing.

[0055] Working principle: This seed metering device, which integrates intercropping, sowing, and fertilization functions, requires the channel conversion plate 19 to be connected to external sowing equipment first. Then, the first motor 18 drives the moving screw 17 to rotate. When the moving screw 17 rotates, it drives the slider 16 to move on the slide rod 23. The slider 16 moves, driving the telescopic rod 14 to move. The telescopic rod 14 moves, driving the rotating block 13 and the drive shaft 12 along the arc-shaped groove, thereby adjusting the position of the arc-shaped rod 11 and thus adjusting the opening distance of the seed clamp 4. Because the arc-shaped groove has a certain curvature, the telescopic rod 14 adapts to the movement of the drive shaft 12 along the arc-shaped groove. After the arc-shaped rod 11 is adjusted, different types of seeds to be sown are poured into multiple guide plates 22. The seeds are then... Due to gravity, the seeds fall into the seed trough housing 2. During this process, the stepper motor 10 drives the rib 9 to rotate. When the rib 9 rotates, it drives the lower trough plate 3 and the upper trough plate 8 to rotate synchronously, thereby driving multiple seed clips 4 to rotate synchronously. When the seed clip 4 rotates to the position of the fixed arc rod 11, the sliding shaft 7 abuts against the arc rod 11, and the seed clip 4 moves away from the center of the lower trough plate 3 along the arc of the arc rod 11, compressing the support spring 6, so that the sliding groove between the seed clip 4 and the lower trough plate 3 opens and closes to a size suitable for the seeds. As it rotates away from the position of the arc rod 11, the support spring 6 extends to make the seed clip 4 clamp the seeds and continue to rotate. When the clamped seeds rotate to the top of the discharge port, because the end of the seed clip 4 that contacts the seeds has an arc chamfer, the seeds fall freely through the discharge port into the channel conversion plate 19 for sowing.

[0056] Additionally, due to the configuration of multiple rotatable clamping seed metering units, while two of the rotatable clamping seed metering units are used for sowing, another rotatable clamping seed metering unit can be used for fertilization, thus enabling simultaneous sowing and fertilization.

[0057] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A seed metering device with integrated intercropping, sowing, and fertilization functions, comprising a frame (1), characterized in that, Also includes: Seed trough housing (2), there are multiple seed trough housings (2), all of which are fixedly connected to the frame (1), and each of the multiple seed trough housings (2) has a feed inlet at the top and a discharge outlet at the bottom. A rotatable clamping seed metering unit is provided in each of the seed trough housings (2) for clamping and releasing seeds; Adjustment mechanism: Each of the seed trough housings (2) is provided with an adjustment mechanism. Each of the adjustment mechanisms corresponds to a rotatable clamping seed metering unit and is used to adjust the clamping force of the rotatable clamping seed metering unit. A feeding mechanism is provided inside the frame (1) and corresponds to multiple discharge ports; The feeding mechanism is located at the top of the frame (1) and is used to feed seeds.

2. The seed metering device with integrated intercropping, sowing, and fertilization functions according to claim 1, characterized in that, The rotatable clamping seed metering unit includes: The lower groove plate (3) is rotatably connected to the inner bottom wall of the seed trough housing (2); Seed clip (4), the lower groove plate (3) is provided with multiple sliding grooves, and each of the sliding grooves is slidably connected to a seed clip (4); Fixed shaft (5), and the fixed shaft (5) is fixedly connected to the inner wall of each of the grooves; Support spring (6), each of the seed clips (4) is fixedly connected to the support spring (6), the other end of each support spring (6) is fixedly connected to the inner wall of the slide groove, and each of the fixed shafts (5) is fitted with a support spring (6) on its circumferential surface. Sliding shaft (7), each of the seed clips (4) is fixedly connected to the sliding shaft (7); The upper groove plate (8) is disposed at the top of the lower groove plate (3). The upper groove plate (8) has multiple drive grooves, and each drive groove has a sliding shaft (7) slidably disposed therein. The rib (9) is rotatably connected inside the frame (1), and the lower groove plate (3) and the upper groove plate (8) are both fixedly connected to the rib (9); A stepper motor (10) is installed inside the frame (1), and the output end of the stepper motor (10) is axially fixedly connected to the bottom end of the joist (9).

3. The seed metering device with integrated intercropping, sowing, and fertilization functions according to claim 2, characterized in that, The adjustment mechanism includes: An arc-shaped rod (11) is rotatably connected at one end to the inner top wall of the seed trough housing (2); A drive shaft (12) is fixedly connected to the top end of the arc-shaped rod (11). An arc-shaped groove is provided on the seed groove housing (2), and the drive shaft (12) is slidably disposed in the arc-shaped groove. Rotating block (13), which is rotatably connected to the drive shaft (12); Telescopic rod (14), one end of which is fixedly connected to one side of the rotating block (13); A drive assembly is disposed at the top of the seed groove housing (2) and is used to drive the drive shaft (12) to move within the arc-shaped groove.

4. The seed metering device with integrated intercropping, sowing, and fertilization functions according to claim 3, characterized in that, The driving component includes: Fixing plate (15), two fixing plates (15) are provided, and both fixing plates (15) are fixedly connected to the top of the seed trough shell (2); The slider (16) is slidably connected between the two fixed plates (15) by a slide rod (23), and the other end of the telescopic rod (14) is fixedly connected to the slider (16). The movable screw (17) is rotatably connected to the two fixed plates (15). The slider (16) has a screw hole, and the movable screw (17) is threaded into the screw hole. A first motor (18) is mounted on one of the fixed plates (15), and the output end of the first motor (18) passes through the fixed plate (15) and is fixedly connected to the moving screw (17).

5. The seed metering device with integrated intercropping, sowing, and fertilization functions according to claim 4, characterized in that, The feeding mechanism includes: Channel conversion disk (19), the channel conversion disk (19) is fixedly connected inside the frame (1); Two partitions (20) are provided, and both partitions (20) are fixedly connected inside the channel conversion disk (19). The two partitions (20) divide the channel conversion disk (19) into three feeding spaces, and one discharge port corresponds to one feeding space.

6. The seed metering device with integrated intercropping, sowing, and fertilization functions according to claim 5, characterized in that, The feeding mechanism includes: A feeding tray (21) is fixedly connected to the top of the frame (1); A guide plate (22) is provided, and each guide plate (22) corresponds to a feed inlet.