Seed sowing device
By incorporating a hole depth adjustment and vibration device design, the problem of existing seed metering devices being unable to adjust the hole depth has been solved, enabling convenient adjustment of the number of seed holes and improving sowing efficiency, thus enhancing the practicality of the seed metering device.
Patent Information
- Application Number
- CN202520475406.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing seed metering device cannot adjust the depth of the seed hole, making it difficult to easily change the number of seeds sown in the seed hole. It is necessary to repeatedly disassemble and replace the seed metering device with different sowing quantities, resulting in low sowing efficiency.
A seed metering device was designed, comprising a hole depth adjustment device, an iron plate adjustment device, and a retrieval device. The depth of the seed hole can be conveniently adjusted by adjusting the grip, drive gear ring, and locking block, and a vibration device is provided to prevent seed accumulation.
It enables convenient adjustment of seed hole depth and seed quantity according to planting needs, improves sowing efficiency, avoids seed accumulation affecting sowing, and enhances the practicality of the seed metering device.
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Figure CN223844360U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the seed metering technical field, concretely to a seed metering device. BACKGROUND
[0002] The working process of the vertical disc seed metering device can be divided into three stages of seed taking, seed carrying and seed dropping, when working, a large number of seeds are filled in the seed box by hand, and then the seed holes are rotated in the clockwise direction following the seed metering shaft, under the combined action of gravity, the interaction force between the seeds and the disturbance of the seed taking tube, the seed particles enter the seed holes to complete the seed taking process, and then the seed particles are guided into the soil to complete the seed dropping process through the rotation of the seed holes.
[0003] Although the seed metering device is widely used, the existing seed metering device cannot adjust the depth of the seed holes when in use, so the planting demand cannot be conveniently changed in the number of seed holes, the seed metering device with different numbers of seeds needs to be repeatedly disassembled and replaced, and the seeding efficiency is low.
[0004] In view of the above problems, the seed metering device is used to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to solve the problem that the existing seed metering device cannot adjust the depth of the seed holes when in use, so the planting demand cannot be conveniently changed in the number of seed holes, the utility model aims at providing a seed metering device.
[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: a seed metering device, including a seed box, a motor is fixedly installed on one side of the seed box, a land wheel seed metering shaft is fixedly connected to the tail end of the motor output end, a support is fixedly installed on one side of the seed box, and the motor is fixedly inserted in the support, the land wheel seed metering shaft is rotatably inserted in the seed box, and a vibration device is arranged on the outer wall of the seed box and matched with the land wheel seed metering shaft, a seed disc and a lock block are fixedly sleeved on the land wheel seed metering shaft, the seed disc is rotatably inserted in the seed box, an adjusting shaft is rotatably sleeved on the land wheel seed metering shaft, the adjusting shaft is rotatably inserted in the seed box, a driving gear ring and an adjusting handle are fixedly connected to the two ends of the adjusting shaft, the driving gear ring and the adjusting handle are rotatably sleeved on the land wheel seed metering shaft, a buckle support rod is slidably inserted in the inner cavity of the adjusting handle, a buckle spring is fixedly installed on one end of the buckle support rod, a layer of anti-skid lines is arranged on the outer wall of the adjusting handle, a clamping groove is arranged in the adjusting handle and connected with the inner cavity, the buckle support rod is slidably inserted in the clamping groove, the tail end of the buckle spring is fixedly connected with the inner wall of the adjusting handle, an array of fixing holes is arranged on one end of the lock block, the buckle support rod can slide through the adjusting handle and be slidably inserted in the fixing hole, an array of hole depth adjusting devices is fixedly inserted in the seed disc, and an iron sheet adjusting device and a recovery device matched with the hole depth adjusting device are arranged between the seed disc and the adjusting shaft.
[0007] The hole depth adjusting device comprises a seed hole, the seed hole is fixedly inserted on the seed plate, a push rod is slidably inserted on the seed hole, one end of the push rod is fixedly connected with a push block, the push block is slidably inserted in the seed hole, the other end of the push rod is fixedly installed with a reset spring, and the end of the reset spring is fixedly connected with the seed hole.
[0008] The iron sheet adjusting device comprises a rotating gear and a fixed block, the rotating gear is rotatably installed on the seed plate, the rotating gear is engaged with the driving gear ring, the arrayed fixed support rods are rotatably inserted on the seed plate, the rotating gear is rotatably sleeved on the fixed support rods, the fixed block is fixedly installed on the seed plate, a strip gear is slidably inserted on the fixed block, a guide block is fixedly installed on the inner wall of the fixed block and slidably inserted on the strip gear, a guide groove is formed in the outer wall of the strip gear and the guide block is slidably inserted in the guide groove, the rotating gear is engaged with the strip gear, and one end of the strip gear is rotatably installed with a fixed pulley.
[0009] The recycling device comprises an iron sheet box, the iron sheet box is fixedly connected with the seed plate, an iron sheet winding column is rotatably installed on the inner side of the iron sheet box, a clock spring is fixedly connected with the inner side of the iron sheet winding column, the end of the clock spring is fixedly connected with the inner wall of the iron sheet box, an annular iron belt is fixedly installed on the outer wall of the iron sheet winding column, and the annular iron belt is movably penetrated through the iron sheet box and movably contacted with the fixed pulley and the push rod.
[0010] Preferably, the vibrating device comprises a cam and an elastic rod, the cam is fixedly sleeved on one end of the ground wheel seed plate close to the motor, and the elastic rod is fixedly installed on the outer wall of the seed box and can be movably contacted with the cam.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] (1) The recycling device, the iron sheet adjusting device, the hole depth adjusting device, the driving gear ring, the adjusting handle and the lock block are used in cooperation to provide convenience for the adjustment of the seed hole depth, so that the purpose of conveniently adjusting the seed amount in the seed hole according to the planting requirement can be achieved, the planting amount of the seed hole can be conveniently changed according to the planting requirement, different seeders with different planting amounts do not need to be repeatedly disassembled and replaced, the practicability of the seeder is effectively improved, and the planting efficiency is effectively improved.
[0013] (2) The setting and use of the vibrating device can intermittently drive the elastic rod to vibrate during the planting, so that the seed box can be intermittently vibrated, and then the seeds can be guided to the seed holes, and the seeds are prevented from being accumulated to affect the planting. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0015] Figure 1 The figure is a structural schematic diagram of the present application.
[0016] Figure 2 The figure is an installation schematic diagram of the adjusting shaft in the present application.
[0017] Figure 3 The figure is an installation schematic diagram of the lock block in the present application.
[0018] Figure 4 The figure is an installation schematic diagram of the buckle support rod in the present application.
[0019] Figure 5 The figure is an installation schematic diagram of the adjusting handle in the present application.
[0020] Figure 6 The figure is an installation schematic diagram of the strip-shaped gear in the present application.
[0021] Figure 7 The figure is an installation schematic diagram of the annular iron belt in the present application.
[0022] Figure 8 The figure is an installation schematic diagram of the push block in the present application.
[0023] In the figure: 1, a box; 2, a lock block; 3, a fixing hole; 4, a buckle spring; 5, a buckle support rod; 6, a ground wheel seed arranging shaft; 7, an adjusting shaft; 8, an adjusting handle; 9, a recycling device; 10, an iron sheet box; 11, an iron sheet winding column; 12, a clockwork spring; 13, an iron sheet adjusting device; 14, a rotating gear; 15, a fixed support rod; 16, a strip-shaped gear; 17, a guide sliding groove; 18, a guide sliding block; 19, a fixed block; 20, a fixed pulley; 21, a seed hole; 22, a hole depth adjusting device; 23, a push block; 24, a return spring; 25, a push rod; 26, an annular iron belt; 27, a seed arranging disc; 28, a motor; 29, a support; 30, a vibrating device; 31, a cam; 32, an elastic rod. DETAILED DESCRIPTION
[0024] 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.
[0025] Example: Figures 1-8 As shown, this utility model provides a seed metering device, including a seed box 1. A motor 28 is fixedly installed on one side of the seed box 1, and a ground wheel seed metering shaft 6 is fixedly connected to the output end of the motor 28. A bracket 29 is fixedly installed on one side of the seed box 1, and the motor 28 is fixedly inserted into the bracket 29. The bracket 29 ensures the stable installation of the motor 28. The ground wheel seed metering shaft 6 is rotatably inserted into the seed box 1, and a vibration device 30 is provided on the outer wall of the seed box 1 to cooperate with the ground wheel seed metering shaft 6. A seed metering disc 27 and a locking block 2 are fixedly sleeved on the ground wheel seed metering shaft 6, and the seed metering disc 27 is rotatably inserted into the seed box 1. An adjusting shaft 7 is rotatably sleeved on the ground wheel seed metering shaft 6, and the adjusting shaft 7 is rotatably inserted into the seed box 1. A drive gear ring and an adjusting handle 8 are fixedly connected to both ends of the adjusting shaft 7, and both the drive gear ring and the adjusting handle 8 are rotatably sleeved on the ground wheel seed metering shaft. On shaft 6, a latching rod 5 is slidably inserted into the inner cavity of the adjusting handle 8, and a latching spring 4 is fixedly installed at one end of the latching rod 5. The outer wall of the adjusting handle 8 is covered with a layer of anti-slip texture, which can increase friction and facilitate operation. A slot is opened on the adjusting handle 8 that communicates with the inner cavity, and the latching rod 5 is slidably inserted into the slot. The slot is used to limit and guide the movement of the latching rod 5. The end of the latching spring 4 is fixedly connected to the inner wall of the adjusting handle 8. One end of the locking block 2 is opened with an array of fixed holes 3, and the latching rod 5 can slide through the adjusting handle 8 and slide into the fixed holes 3. An array of hole depth adjustment devices 22 is fixedly inserted on the seed metering disc 27, and an iron sheet adjustment device 13 and a recycling device 9 are provided between the seed metering disc 27 and the adjusting shaft 7 to cooperate with the hole depth adjustment device 22.
[0026] The hole depth adjustment device 22 includes a planting hole 21, which is fixedly inserted on the seeding tray 27. A push rod 25 is slidably inserted into the planting hole 21. A push block 23 is fixedly connected to one end of the push rod 25. The push block 23 is slidably inserted into the planting hole 21. A return spring 24 is fixedly installed at the other end of the push rod 25. The end of the return spring 24 is fixedly connected to the planting hole 21.
[0027] The iron sheet adjusting device 13 comprises a rotating gear 14 and a fixed block 19. The rotating gear 14 is rotatably installed on the seed sowing disc 27 and is engaged with a driving gear ring. The seed sowing disc 27 is rotatably inserted with arrayed fixed supporting rods 15, and the rotating gear 14 is rotatably sleeved on the fixed supporting rods 15. The fixed supporting rods 15 are arranged to ensure the stable rotation of the rotating gear 14. The fixed block 19 is fixedly installed on the seed sowing disc 27 and is slidably inserted with a strip gear 16. The inner wall of the fixed block 19 is fixedly installed with a guide sliding block 18, and the guide sliding block 18 is slidably inserted on the strip gear 16. The outer wall of the strip gear 16 is provided with a guide sliding groove 17, and the guide sliding block 18 is slidably inserted in the guide sliding groove 17. The guide sliding block 18 and the guide sliding groove 17 are arranged to ensure the stable sliding connection of the fixed block 19 and the strip gear 16. The rotating gear 14 is engaged with the strip gear 16, and one end of the strip gear 16 is rotatably installed with a fixed pulley 20.
[0028] The recycling device 9 comprises an iron sheet box 10, which is fixedly connected with the seed sowing disc 27. The inner side of the iron sheet box 10 is rotatably installed with an iron sheet winding column 11. The inner side of the iron sheet winding column 11 is fixedly connected with a clockwork spring 12, and the tail end of the clockwork spring 12 is fixedly connected with the inner wall of the iron sheet box 10. The outer wall of the iron sheet winding column 11 is fixedly installed with an annular iron belt 26, which is movably penetrated through the iron sheet box 10 and is in movable contact with the fixed pulley 20 and the push rod 25.
[0029] By adopting the technical scheme, when in use, the buckle supporting rod 5 is pushed to move, so as to extrude the buckle spring 4 and separate the buckle supporting rod 5 from the corresponding fixed hole 3, then the adjusting handle 8 is rotated, so as to drive the adjusting shaft 7 to rotate, further drive the driving gear ring to rotate, so as to drive the five rotating gears 14 to rotate synchronously, further drive the five bar gears 16 to expand outward synchronously, further drive the five fixed pulleys 20 to move outward synchronously and push the annular iron band 26 to expand outward, so as to drive the iron sheet around the column 11 to rotate and twist the clockwork spring 12, and drive the five push rods 25 to expand outward synchronously, so as to drive the corresponding push block 23 to move and extrude the corresponding return spring 24, further synchronously adjust the depth of the five seed holes 21, and stop rotating the adjusting handle 8 and reset the buckle supporting rod 5 into another corresponding fixed hole 3 when the depth is adjusted to the appropriate depth, and the adjusting handle 8 can be reversed during subsequent use, so that the annular iron band 26 is reset by the clockwork spring 12 and the push block 23 is reset by the return spring 24, so as to adjust the depth of the seed hole 21 again, and the motor 28 is started after the depth adjustment of the seed hole 21 is completed, so as to drive the ground wheel seed row shaft 6 to rotate, so as to drive the seed row disc 27 and the adjusting shaft 7 to rotate, further drive the depth-adjusted seed hole 21 to rotate, so as to achieve the purpose of conveniently adjusting the amount of seeds in the seed hole 21 according to the planting requirements, and further conveniently change the sowing amount of the seed hole 21 according to the planting requirements, without repeatedly disassembling and replacing different seeders with different sowing amounts, thereby effectively improving the practicability of the seeder and effectively improving the sowing efficiency.
[0030] The vibration device 30 comprises a cam 31 and an elastic rod 32, the cam 31 is fixedly sleeved on one end of the ground wheel seed row shaft 6 close to the motor 28, and the elastic rod 32 is fixedly installed on the outer wall of the seed box 1, and the cam 31 can be in movable contact with the elastic rod 32.
[0031] By adopting the technical scheme, when in use, the ground wheel seed row shaft 6 will drive the cam 31 to rotate, and when the protruding end of the cam 31 contacts the elastic rod 32, it will push it to deform, and when the protruding end of the cam 31 is separated from the elastic rod 32, the elastic rod 32 will reset and vibrate under the action of its own elastic force, so as to drive the seed box 1 to vibrate, thereby facilitating the guiding of the seeds to the seed holes 21 and avoiding the accumulation of the seeds to affect sowing.
[0032] Working principle: in use, push the buckle support rod 5 to move, so as to extrude the buckle spring 4 and make the buckle support rod 5 separate from the corresponding fixed hole 3, then rotate the adjusting handle 8, further drive the gear ring rotation, so as to drive the five rotating gears 14 synchronous rotation, further drive the five bar gears 16 synchronous expansion to the outside, further drive the five fixed pulleys 20 synchronous movement to the outside and push the annular iron band 26 to expand and move to the outside, so as to pull the iron sheet around the column 11 rotation and twist the clockwork spring 12, and drive the five push rods 25 synchronous expansion to the outside, further drive the corresponding push block 23 to move and extrude the corresponding reset spring 24, further drive the five seed holes 21 depth synchronous shallow, and stop rotating the adjusting handle 8 and make the buckle support rod 5 reset into another corresponding fixed hole 3 when the depth is adjusted to the appropriate depth, and the adjusting handle 8 can be reversed during subsequent use, so that the annular iron band 26 is reset by the clockwork spring 12 and the push block 23 is reset by the reset spring 24, further adjusting the depth of the seed hole 21, when the seed hole 21 depth adjustment is completed, the motor 28 is started, so as to drive the ground wheel seed row shaft 6 rotation, further drive the seed row disc 27 and the adjusting shaft 7 rotation, further drive the depth adjusted seed hole 21 rotation, so as to realize the purpose of conveniently adjusting the seed quantity of the seed hole 21 according to the planting requirement, further conveniently change the sowing quantity of the seed hole 21 according to the planting requirement, without repeatedly disassembling and replacing the different sowing quantity of the seed row device, so as to effectively improve the practicability of the seed row device, and effectively improve the sowing efficiency.
[0033] In addition, during sowing, the ground wheel seed row shaft 6 will drive the cam 31 to rotate, and when the convex end of the cam 31 contacts the elastic rod 32, it will push it to deform, and when the convex end of the cam 31 separates from the elastic rod 32, the elastic rod 32 will reset and vibrate under the action of its own elastic force, so as to drive the seed box 1 to vibrate, further facilitating the seed to be guided to the seed hole 21, avoiding the seed to be accumulated and affecting sowing.
[0034] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A seed metering device comprising a seed tank (1), characterized in that: The side of the seed box (1) is fixedly provided with a motor (28), and the tail end of the output end of the motor (28) is fixedly connected with an ground wheel seed metering shaft (6), the ground wheel seed metering shaft (6) is rotatably inserted in the seed box (1), and the outer wall of the seed box (1) is provided with a vibrating device (30) matched with the ground wheel seed metering shaft (6), the ground wheel seed metering shaft (6) is fixedly provided with a seed metering disc (27) and a lock block (2), and the seed metering disc (27) is rotatably inserted in the seed box (1), the ground wheel seed metering shaft (6) is rotatably provided with an adjusting shaft (7), and the adjusting shaft (7) is rotatably inserted in the seed box (1), the both ends of the adjusting shaft (7) are fixedly connected with a driving gear ring and an adjusting handle (8), and the driving gear ring and the adjusting handle (8) are rotatably provided on the ground wheel seed metering shaft (6), the inner cavity of the adjusting handle (8) is slidably provided with a buckle supporting rod (5), one end of the buckle supporting rod (5) is fixedly provided with a buckle spring (4), the tail end of the buckle spring (4) is fixedly connected with the inner wall of the adjusting handle (8), one end of the lock block (2) is provided with an array of fixing holes (3), and the buckle supporting rod (5) can slidably penetrate through the adjusting handle (8) and be slidably inserted in the fixing hole (3), the seed metering disc (27) is fixedly provided with an array of hole depth adjusting devices (22), and the seed metering disc (27) and the adjusting shaft (7) are provided with an iron sheet adjusting device (13) and a recovery device (9) matched for use; The hole depth adjusting device (22) comprises a seed hole (21), the seed hole (21) is fixedly inserted in the seed metering disc (27), and a push rod (25) is slidably inserted in the seed hole (21), one end of the push rod (25) is fixedly connected with a push block (23), the push block (23) is slidably inserted in the seed hole (21), the other end of the push rod (25) is fixedly provided with a reset spring (24), and the tail end of the reset spring (24) is fixedly connected with the seed hole (21); The iron sheet adjusting device (13) comprises a rotating gear (14) and a fixed block (19), the rotating gear (14) is rotatably mounted on the seed metering disc (27), and the rotating gear (14) is engaged with the driving gear ring, the fixed block (19) is fixedly mounted on the seed metering disc (27), and a strip gear (16) is slidably inserted in the fixed block (19), the rotating gear (14) is engaged with the strip gear (16), and one end of the strip gear (16) is rotatably mounted with a fixed pulley (20); The recovery device (9) comprises an iron sheet box (10), the iron sheet box (10) is fixedly connected with the seed metering disc (27), and an iron sheet winding column (11) is rotatably mounted on the inner side of the iron sheet box (10), the inner side of the iron sheet winding column (11) is fixedly connected with a clockwork spring (12), the tail end of the clockwork spring (12) is fixedly connected with the inner wall of the iron sheet box (10), and the outer wall of the iron sheet winding column (11) is fixedly provided with an annular iron belt (26), the annular iron belt (26) is movably penetrated through the iron sheet box (10) and is in movable contact with the fixed pulley (20) and the push rod (25).
2. A seed meter according to claim 1, wherein, The vibrating device (30) comprises a cam (31) and an elastic rod (32), the cam (31) is fixedly sleeved on the ground wheel seed sowing shaft (6) near the motor (28), the elastic rod (32) is fixedly installed on the outer wall of the seed box (1), and the cam (31) can be in movable contact with the elastic rod (32).
3. A seed meter according to claim 1 wherein, One side of the seed box (1) is fixedly provided with a support (29), and the motor (28) is fixedly inserted into the support (29).
4. A seed meter according to claim 1 wherein, The fixed supporting rod (15) is arrayed and rotatably connected to the seed sowing disc (27), and the rotating gear (14) is rotatably sleeved on the fixed supporting rod (15).
5. A seed meter according to claim 1 wherein, The inner wall of the fixed block (19) is fixedly provided with a guide sliding block (18), and the guide sliding block (18) is slidably inserted into the strip-shaped gear (16).
6. A seed meter according to claim 5 wherein, The outer wall of the strip-shaped gear (16) is provided with a guide sliding groove (17), and the guide sliding block (18) is slidably inserted into the guide sliding groove (17).
7. A seed meter according to claim 1 wherein, The outer wall of the adjusting handle (8) is covered with a layer of anti-skid lines.
8. A seed meter according to claim 1 wherein, The adjusting handle (8) is provided with a clamping groove in communication with the inner cavity, and the clamping buckle supporting rod (5) is slidably inserted into the clamping groove.