18-finger clamping electric seeder

The stepper motor drive and controller linkage of the 18-finger electric seeder solves the problem of cumbersome operation of the existing unpowered seeder, realizes an efficient and accurate sowing process, reduces the difficulty of operation and improves the sowing quality.

CN120615423APending Publication Date: 2025-09-12WENAN COUNTY FENGNONG AGRI MASCH MFG CO LTD
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Patent Information

Application Number
CN202511077972.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2025-09-12

AI Technical Summary

Technical Problem

The existing unpowered seed metering device is cumbersome to operate when working on multiple ridges, and is inefficient. It is also easy to cause abnormal seeding spacing due to misoperation or missed operation, resulting in losses.

Method used

An 18-finger electric seeder is used, with the stator and rotor driven by a stepper motor rotating. The controller rotates at a constant speed according to the signal, and the finger clamps are opened and closed in combination with the tilting plate to achieve interval seed sowing. It is also linked with agricultural machinery through a communication interface to automatically adjust the sowing spacing.

Benefits of technology

It reduces the workload of operators, ensures seeding accuracy and work efficiency, simplifies the operating process, and realizes remote management and precise seeding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of agricultural machinery, in particular to an 18-finger clamp electric seeder which comprises a motor shell, the front end of the motor shell is of an open structure, a through seed discharging opening is formed in the side wall of the motor shell, a stator is fixedly arranged in the motor shell, and a controller electrically connected with the stator is arranged outside the motor shell; the rotor is arranged in the motor shell, a driving shaft is arranged at the front end of the rotor, and 18 seed guide grooves are formed in the edge of the front end of the rotor in the circumferential direction corresponding to the seed metering opening ring; the motor cover is fixedly arranged at the front end of the motor shell, and a seed throwing opening corresponding to the seed guide groove is formed in the top of the motor cover; the outer cover is fixedly arranged at the front end of the motor cover, and a seed clamping chamber is formed between the outer cover and the motor cover; the seed clamping disc is arranged in the seed clamping chamber and connected with the driving shaft, and finger clamps are arranged on the periphery of the seed clamping disc and correspond to the seed guide grooves. The device works according to the quality of the controller, and meets remote management jumping, so that the working intensity of operators is reduced, and the seed metering precision and the working efficiency are ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, in particular to an 18-finger electric seeder. Background Art

[0002] The seed meter is an important component of the seeder. There are many types of seed meters for dryland crops, but they are usually unpowered. They are linked with agricultural machinery and obtain power, and the seed spacing is adjusted by the speed lever. When there are multiple seed meters performing multi-ridge work, the operator's work is tedious and inefficient. At the same time, the seeding spacing may be abnormal due to misoperation or missed operation, which will undoubtedly cause great losses. Summary of the Invention

[0003] The present invention provides an 18-finger electric seeder, which works according to the quality of a controller and meets the requirements of remote management jump, thereby not only reducing the work intensity of operators but also ensuring seeding accuracy and work efficiency.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an 18-finger electric seeder, comprising: a motor housing, the front end of the motor housing is an open structure, the side wall is provided with a penetrating seeding port, a bearing seat is provided in the center of the rear end of the motor housing, a stator is fixedly provided in the motor housing, and a controller electrically connected to the stator is provided on the outside; a rotor is arranged in the motor housing, and a shaft head matching the bearing seat is provided at the rear end of the rotor, a drive shaft is provided at the front end, and 18 seed guide grooves are provided on the front edge of the rotor corresponding to the seeding port in the circumferential direction; a motor cover, The motor cover is fixedly arranged at the front end of the motor housing, and a bearing hole is provided in the center corresponding to the drive shaft, a seed throwing port corresponding to the seed guide groove is provided on the top of the motor cover, and an inclined disk is provided at the middle part of the front end of the motor cover; the outer cover is fixedly arranged at the front end of the motor cover, and a seed clamping chamber is formed between the outer cover and the motor cover, and a seed adding port is provided on the top of the outer cover; a seed clamping disk, the seed clamping disk is arranged in the seed clamping chamber and is connected to the drive shaft, and finger clamps are provided around the seed clamping disk corresponding to each of the seed guide grooves, and a paddle is provided at the tail of each finger clamp to abut against the inclined disk.

[0005] Preferably, the seed guide groove is composed of a back plate, a ring and a partition arranged at the front end of the rotor; the back plate and the drive shaft are an integral structure, the ring and the partition are an integral structure, and the ring is connected to the back plate by a plurality of penetrating bolts.

[0006] Preferably, the edge of the motor housing is provided with a first edging, the edge of the outer cover is provided with a second edging corresponding to the first edging, and the sides close to the first edging and the second edging are respectively provided with clamping grooves with the edge of the motor cover; the first edging is connected to the second edging by a through bolt.

[0007] Preferably, a spline adapted to the seed clamping disk is provided in the middle of the drive shaft; a positioning groove is provided in the middle of the outer cover corresponding to the drive shaft, and a disc spring and a thrust bearing are provided at the end of the positioning groove corresponding to the seed clamping disk.

[0008] Preferably, a feed hopper is provided on the outer side wall of the outer cover, and a feed port communicating with the interior of the outer cover is provided at the bottom of the feed hopper.

[0009] Preferably, the controller is provided with a communication interface and a wireless module electrically connected to the communication interface.

[0010] Preferably, an adjusting gasket is provided between the tilting plate and the motor cover.

[0011] Preferably, a pair of control arms are respectively provided in the middle of each finger clamp, and a tension spring connecting the two control arms is provided between any two adjacent finger clamps.

[0012] The present invention provides the following beneficial effects: The stator and rotor of this 18-finger electric seeder utilize a stepper motor design. Under the control of a controller, they rotate at a constant speed according to input signals, and the rotor's drive shaft drives the seed-holding disc and seed guide trough. The rotating fingers, driven by a tilting disc, open and close, picking up seeds from the bottom of the seed-holding chamber and delivering them along a rotational trajectory through a seed-discharging port into the seed guide trough. The seeds in the seed guide trough rotate with the rotor and are ultimately discharged through a seed discharge port at the bottom of the motor housing, completing the task of spaced seeding. During this process, the controller sets the seeding spacing. The controller communicates with the agricultural machinery's travel system and collects speed signals. The operator simply transmits the plant spacing parameters to the controller, which automatically adjusts the rotor's rotational speed based on the machinery's movement speed, ensuring accurate seeding spacing and further reducing operational complexity. Compared to existing mechanical, simple seeding machines, this seeder offers reliable operation, ease of operation, and the ability to be remotely managed based on sowing requirements, thereby reducing operator workload and ensuring seeding accuracy and efficiency. Furthermore, the backplate forms a reference plane at the front end of the rotor, while the separate rings and partitions are interchangeable, allowing the number of seed guide slots to be adjusted as needed. The primary edge of the outer cover is integrated with the secondary edge of the motor housing and adheres to the edge of the motor cover, simplifying assembly and disassembly and improving maintenance efficiency. During assembly, the seed tray's angled fit with the spline ensures that each finger accurately aligns with the seed guide slot, ensuring seeding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 It is a cross-sectional view of the overall structure of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of the seed guide trough of the present invention;

[0016] Figure 3 It is a schematic diagram of the back of the seed clamping tray of the present invention.

[0017] In the figure: 1. Motor housing; 2. Seed discharge port; 3. Stator; 4. Controller; 5. Rotor; 6. Drive shaft; 7. Seed guide trough; 8. Motor cover; 9. Tilting plate; 10. Seed discharge port; 11. Outer cover; 12. Seed feeding port; 13. Seed clamping plate; 14. Finger clamp; 15. Pick; 16. Back plate; 17. Ring; 18. Partition; 19. First edging; 20. Second edging; 21. Disc spring; 22. Thrust bearing; 23. Feed hopper; 24. Communication interface; 25. Wireless module; 26. Adjustment gasket; 27. Control arm; 28. Tension spring. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] according to Figure 1 、 Figure 2 、 Figure 3As shown, an 18-finger electric seeder includes: a motor housing 1, the front end of the motor housing 1 is an open structure, and a seeding port 2 is provided through the side wall, a bearing seat is provided in the center of the rear end of the motor housing 1, and a stator 3 is fixedly provided in the motor housing 1, and a controller 4 electrically connected to the stator 3 is provided on the outside; a rotor 5, the rotor 5 is arranged in the motor housing 1, and a shaft head matching the bearing seat is provided at the rear end of the rotor 5, and a drive shaft 6 is provided at the front end, and 18 seed guide grooves 7 are provided on the front edge of the rotor 5 corresponding to the seeding port 2 in the circumferential direction; a motor cover 8, the motor cover 8 is fixedly arranged at the front end of the motor housing 1 , and a bearing hole is provided in the center corresponding to the drive shaft 6, a seed throwing port 10 is provided on the top of the motor cover 8 corresponding to the seed guide groove 7, and a tilting plate 9 is provided in the middle of the front end of the motor cover 8; an outer cover 11, the outer cover 11 is fixedly arranged at the front end of the motor cover 8, and a seed clamping chamber is formed between the outer cover 8 and the motor cover 8, and a seed adding port 12 is provided on the top of the outer cover 11; a seed clamping disc 13, the seed clamping disc 13 is arranged in the seed clamping chamber and connected to the drive shaft 6, and finger clamps 14 are provided on the four sides of the seed clamping disc 13 corresponding to each of the seed guide grooves 7, and a paddle 15 is provided at the tail end of each of the finger clamps 14 to abut against the tilting plate 9. Among them, a feed hopper 23 is provided on the outer wall of the outer cover 11, and a feed port is provided at the bottom of the feed hopper 23 that is connected to the interior of the outer cover 11. In addition, the controller 4 is provided with a communication interface 24, and a wireless module 25 electrically connected to the communication interface 24. The communication interface 24 can be connected to the speed signal of the agricultural machinery equipment, and the wireless module 25 can communicate with the handheld control terminal via a wireless network.

[0020] In the above structure, the 18-finger electric seeder is designed to be installed on agricultural machinery and driven by the machinery to complete seeding operations in farmland. During the sowing process, the hopper of the agricultural machinery is connected to the seed feeding port 12, allowing seeds to smoothly enter the seed holding chamber. The stator 3 and rotor 5 adopt a stepper motor solution and rotate at a constant speed according to the input signal under the control of the controller 4. The drive shaft 6 of the rotor 5 drives the seed holding disc 13 and the seed guide trough 7 to rotate. Among them, the rotating finger clamps 14 open and close under the control of the tilting disc 9, and pick up seeds from the bottom of the seed holding chamber. They are sent into the seed guide trough 7 along the rotation trajectory through the seed throwing port 10. The seeds in the seed guide trough 7 rotate with the rotor 5 and are finally discharged from the seed discharge port 2 at the bottom of the motor housing 1, thereby completing the task of interval sowing. During this process, the sowing spacing is set by controller 4. This controller 4 communicates with the travel system of the agricultural machinery through a communication interface 24 and collects speed signals. The operator only needs to transmit the plant spacing parameter to controller 4, which automatically adjusts the rotation speed of rotor 5 according to the movement speed of the agricultural machinery, thereby ensuring the accuracy of the sowing spacing. The wireless module electrically connected to controller 4 can be used for wireless communication, thereby accepting remote commands and clustering multiple controllers 4 to further reduce the difficulty of operation. Compared with existing mechanical simple seeding machines, this seeder is reliable, simple to operate, and can be remotely managed according to sowing requirements, thereby reducing the workload of the operator and ensuring seeding accuracy and work efficiency.

[0021] The seed guide groove 7 is composed of a back plate 16, a ring 17 and a partition 18 arranged at the front end of the rotor 5; the back plate 16 and the drive shaft 6 are an integral structure, the ring 17 and the partition 18 are an integral structure, and the ring 17 is connected to the back plate 16 by a plurality of penetrating bolts.

[0022] In this arrangement, the back plate 16 forms a reference plane at the front end of the rotor 5, and the separately arranged ring 17 and partition 18 are replaceable, so the number of different seed guide slots 7 can be changed by replacing the corresponding components as needed.

[0023] The edge of the motor housing 1 is provided with a first edging 19, and the edge of the outer cover 11 is provided with a second edging 20 corresponding to the first edging 19. The first edging 19 and the second edging 20 are each provided with a clamping groove on the edge of the motor cover 8 on the adjacent sides. The first edging 19 is connected to the second edging 20 by a through-bolt. A spline is provided in the middle of the drive shaft 6 to mate with the seed clamping disc 13. A positioning groove is provided in the middle of the outer cover 11 to correspond to the drive shaft 6. A disc spring 21 and a thrust bearing 22 are provided at the end of the positioning groove to correspond to the seed clamping disc 13.

[0024] Through the above arrangement, the first edge 19 of the outer cover 11 is combined with the second edge 20 of the motor housing 1 and adheres to the edge of the motor cover 8, thereby reducing the difficulty of disassembly and assembly of the equipment and improving maintenance efficiency. In addition, during the assembly process of the seed adding disc, the angle of cooperation with the spline is ensured to ensure that each finger clamp 14 can accurately correspond to the seed guide groove 7, thereby ensuring the sowing quality. In addition, during the assembly process, when the outer cover 11 is in place, the disc spring 21 and the thrust bearing 22 constrain the seed clamping disc 13, thereby ensuring that the paddle 15 at the tail of each finger clamp 14 can cooperate well with the tilting disc 9, so that the finger clamp 14 can smoothly complete the opening and closing and clamping and throwing action.

[0025] It should be noted that an adjusting gasket 26 is provided between the tilting plate 9 and the motor cover 8 , and the opening and closing angles of the finger clamp 14 can be achieved by changing the thickness of the adjusting gasket 26 .

[0026] In addition, a pair of control arms 27 are respectively provided in the middle of each finger clamp 14, and a tension spring 28 connecting the two control arms 27 is provided between any two adjacent finger clamps 14. Under the action of the tension spring 28, each finger clamp 14 has a reset clamping force.

[0027] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. An 18-finger electric seeder, characterized in that: include: A motor housing (1), wherein the front end of the motor housing (1) is an open structure, a seeding port (2) is provided through the side wall, a bearing seat is provided at the center of the rear end of the motor housing (1), a stator (3) is fixedly provided inside the motor housing (1), and a controller (4) electrically connected to the stator (3) is provided outside the motor housing (1); A rotor (5), the rotor (5) being arranged in the motor housing (1), and the rear end of the rotor (5) being provided with a shaft head cooperating with the bearing seat, the front end being provided with a drive shaft (6), and the front end edge of the rotor (5) being provided with 18 seed guide grooves (7) in the circumferential direction corresponding to the seed discharging port (2); A motor cover (8), the motor cover (8) is fixedly arranged at the front end of the motor housing (1), and a bearing hole is provided in the center corresponding to the drive shaft (6), a seed throwing port (10) is provided at the top of the motor cover (8) corresponding to the seed guide groove (7), and a tilting plate (9) is provided in the middle of the front end of the motor cover (8); An outer cover (11), wherein the outer cover (11) is fixedly arranged at the front end of the motor cover (8) and forms a seed chamber between the outer cover (11) and the motor cover (8), and a seed adding port (12) is provided at the top of the outer cover (11); A seed clamping disc (13) is provided in the seed clamping chamber and is connected to the drive shaft (6). Finger clamps (14) are provided around the seed clamping disc (13) corresponding to each of the seed guide grooves (7). A paddle (15) is provided at the tail end of each of the finger clamps (14) for abutting against the inclined disc (9).

2. The 18-finger electric seeder according to claim 1, characterized in that: The seed guide groove (7) is composed of a back plate (16), a circular ring (17) and a partition (18) arranged at the front end of the rotor (5); the back plate (16) and the drive shaft (6) are an integral structure, the circular ring (17) and the partition (18) are an integral structure, and the circular ring (17) is connected to the back plate (16) by a plurality of penetrating bolts.

3. The 18-finger electric seeder according to claim 1, characterized in that: The edge of the motor housing (1) is provided with a first edging (19), the edge of the outer cover (11) is provided with a second edging (20) corresponding to the first edging (19), and the sides adjacent to the first edging (19) and the second edging (20) are respectively provided with clamping grooves with respect to the edge of the motor cover (8); the first edging (19) is connected to the second edging (20) by a through-bolt.

4. The 18-finger electric seeder according to claim 1, characterized in that: The middle of the drive shaft (6) is provided with a spline adapted to the seed clamping disk (13); the middle of the outer cover (11) is provided with a positioning groove corresponding to the drive shaft (6); the end of the positioning groove is provided with a disc spring (21) and a thrust bearing (22) corresponding to the seed clamping disk (13).

5. The 18-finger electric seeder according to claim 1, characterized in that: A feed hopper (23) is provided on the outer side wall of the outer cover (11), and a feed port communicating with the interior of the outer cover (11) is provided at the bottom of the feed hopper (23).

6. The 18-finger electric seeder according to claim 1, characterized in that: The controller (4) is provided with a communication interface (24) and a wireless module (25) electrically connected to the communication interface (24).

7. The 18-finger electric seeder according to claim 1, characterized in that: An adjusting gasket (26) is provided between the tilting plate (9) and the motor cover (8).

8. The 18-finger electric seeder according to claim 1, characterized in that: A pair of control arms (27) is respectively provided in the middle of each finger clamp (14), and a tension spring (28) connecting the two control arms (27) is provided between any two adjacent finger clamps (14).

Citation Information

Patent Citations

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    CN118216269A

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    CN118648418A

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