CN114009185A

CN114009185A - Automatic seed sowing device for agricultural planting

Info

Publication number: CN114009185A
Application number: CN202111325288.6A
Authority: CN
Inventors: 侍红彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-02-08

Abstract

The invention discloses an automatic seed sowing device for agricultural planting, which comprises a frame plate, wherein the front side and the rear side of the lower end face of the left side of the frame plate are connected with front wheels through shafts, the front side and the rear side of the lower end face of the right side of the frame plate are connected with universal wheels through bearings, the right side of the frame plate is fixedly connected with a push handle, the upper end face of the frame plate is provided with a water tank, the upper end of the front end face of the water tank is provided with a water inlet, the frame plate on the left side of the water tank is provided with a seed storage box, the middle part of the bottom surface of the frame plate is connected with a lifting shaft, and the side face of the upper end of the lifting shaft is connected with a fluted disc through a key. This automatic seeder of seed for farming can be convenient for automatically sow and irrigate the seed to the efficiency of agricultural seed seeding has been improved, and can be convenient for adjust the degree of depth and the interval of seeding according to the seeding demand, thereby can improve the seeding quality of seed, and can be convenient for carry out fixed point ration irrigation to the soil of seed top automatically, thereby can the quantity of using water wisely.

Description

Automatic seed sowing device for agricultural planting

Technical Field

The invention relates to the technical field of agricultural sowing, in particular to an automatic seed sowing device for agricultural planting.

Background

Agricultural seeding is an indispensable link in agricultural production, when sowing plant seeds, firstly needs to dig out the farmland and plant the hole, puts the seeds into the planting hole, then uses soil to fill into the planting hole and buries the seeds, and irrigates and fertilizes the planted soil position, thereby completing the sowing process of the plant seeds.

But current small-size farmland is planted and still adopts the manual work to carry out the manual planting of above-mentioned step usually, and manual planting wastes time and energy, and planting efficiency is low, and current small-size farmland manual planting is not uniform to the depth control of planting the hole and the interval of planting between the seed is not of uniform size to be unfavorable for the normal growth of plant seed, and current manual planting is uneven and can cause the waste of water resource to the soil irrigation after planting, consequently, need an automatic seeder of seed for farming, in order to solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide an automatic seed sowing device for agricultural planting, which aims to solve the problems that the existing seed sowing and planting efficiency is low, the planting effect is poor, the soil irrigation after planting is uneven and water resources are wasted in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic seed sowing device for agricultural planting comprises a frame plate, wherein the front side and the rear side of the lower end face on the left side of the frame plate are connected with front wheels through shafts, the front side and the rear side of the lower end face on the right side of the frame plate are connected with universal wheels through bearings, a push handle is fixedly connected with the right side of the frame plate, the upper end face of the frame plate is provided with a water tank, the upper end of the front end face of the water tank is provided with a water inlet, a seed storage box is arranged on the frame plate on the left side of the water tank, the middle part of the bottom face of the frame plate is connected with a lifting shaft, the side face of the upper end of the lifting shaft is connected with a fluted disc through a key, the middle part of the front end face of the frame plate is connected with an adjusting rod through a bearing, the front end of the adjusting rod is connected with a rocking handle, the rear end face of the adjusting rod is connected with an adjusting gear through a key, the lifting shaft is connected with a lifting plate, the left side and the right side of the lower end face of the lifting plate is provided with guide rails, the sliding plates are connected with a sliding plate through sliding plate in a sliding way, and a sliding plate, the ditching shovel is connected with the sliding plate, a seeding shell is connected on the side surface of the sliding plate, a feed inlet is arranged at the upper end of the seeding shell, the feed inlet is connected with the bottom surface of the seed storage box through a hose, a seeding port is arranged at the lower end of the seeding shell, a driving shaft is connected inside the seeding shell, a seeding disc is connected on the driving shaft, a seed groove is arranged on the arc surface of the seeding disc, a soil-shifting block is connected at the lower end of the sliding plate at one side of the seeding shell, an irrigation pipe is connected at the lower end of the sliding plate at one side of the soil-shifting block, a positioning screw rod is connected on the sliding plate at one side of the irrigation pipe, a water supply pipeline is connected at the right side of the upper end surface of the lifting plate, check blocks are arranged at the front end and the rear end inside the water supply pipeline, a return spring is connected on the check blocks, one end of the water supply pipeline is connected to the lower end of the water tank through a hose, a water distribution block is arranged at one side of the water supply pipeline, and the other end of the water supply pipeline is connected with the water distribution blocks, the utility model discloses a water supply pipe, including lifter plate, water supply pipe, telescopic link, elevating plate bottom surface, motor, and motor, water supply pipeline side is connected with the piston post, and the inside piston that is provided with of piston post, the right-hand member face of lifter plate is connected with the mount, and is connected with reciprocal tooth frame on the mount, reciprocal tooth frame is connected with the piston through the telescopic link, and just reciprocal tooth frame is inside to be connected with the residual gear through the hub connection, the lifter plate bottom surface is connected with the motor, and the motor is connected with the residual gear shaft through second belt drive to the motor is connected with the drive shaft through first belt drive.

Preferably, the soil-shifting block is V-shaped in structure, and the height of the soil-shifting block is slightly higher than that of the ditching shovel.

Preferably, the lifting plate is connected with the front side and the rear side of the lower end of the frame plate through sliding block sliding grooves, and the lifting plate is connected with the lifting shaft through threads.

Preferably, the number of the sliding plates is 4, and the sliding plates are slidably connected with the lifting plate through guide rails.

Preferably, the reciprocating gear frame is L-shaped, sliding grooves are formed in two sides of the inner portion of the fixing frame, and the reciprocating gear frame is in sliding connection with the sliding grooves in the inner portion of the fixing frame.

Preferably, the structural shape of the seed grooves is a spherical groove, and the circumferences of the seed grooves are equidistantly distributed on the circumferential side surface of the sowing plate.

Preferably, the vertical section structural shape of drive shaft is regular hexagon, and seeding disc middle part is provided with regular hexagon through-hole to seeding disc and drive shaft sliding connection.

Preferably, the check block is formed by connecting 2 circular plates through a shaft, the diameter of the circular plate at the rear side of the check block is smaller than that of the circular plate at the front side of the check block, and a circular through hole is formed in the circular plate at the front side of the check block.

Compared with the prior art, the invention has the beneficial effects that: this automatic seeder of seed for farming can be convenient for automatically sow and irrigate the seed to the efficiency of agricultural seed seeding has been improved, and can be convenient for adjust the degree of depth and the interval of seeding according to the seeding demand, thereby can improve the seeding quality of seed, and can be convenient for carry out fixed point ration irrigation to the soil of seed top automatically, thereby the quantity that can the using water wisely:

1. the ditching shovel is used for ditching planting grooves in soil, the sowing tray in the sowing shell rotates to automatically sow seeds, the soil stirring block is used for covering soil on the sowed seeds, and the soil position where the seeds are planted is irrigated through the irrigation pipe after the soil covering is finished, so that the seeds can be conveniently and automatically planted and irrigated, and the efficiency of agricultural seed sowing is improved;

2. the height of the ditching shovel can be adjusted by adjusting the height of the lifting plate, so that the planting depth can be adjusted, the planting distance of the seeds can be adjusted by adjusting the distance between the sliding plates, the plant seeds can grow better, the planting depth and the planting distance can be adjusted conveniently according to the planting requirements, and the seeding quality of the seeds is improved;

3. water is supplied to each irrigation pipe through reciprocating motion of the piston in the piston column, fixed-point quantitative irrigation can be performed on soil at the position of the planted seeds, accordingly, irrigation quality is improved, and water can be saved.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a schematic rear view of a cross-sectional structure of the present invention;

FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of point B of FIG. 2 according to the present invention;

FIG. 5 is a schematic bottom sectional view of the present invention;

FIG. 6 is an enlarged view of point C of FIG. 5 according to the present invention;

FIG. 7 is a schematic right-view structural diagram of the present invention;

FIG. 8 is a schematic left-side cross-sectional view of the present invention;

FIG. 9 is an enlarged view of point D in FIG. 8 according to the present invention;

FIG. 10 is a schematic bottom view of the present invention.

In the figure: 1. a frame plate; 2. a front wheel; 3. a universal wheel; 4. a push handle; 5. a water tank; 6. a water inlet; 7. a seed storage box; 8. a rocking handle; 9. shifting soil blocks; 10. a water diversion block; 11. a lifting plate; 12. a guide rail; 13. a sliding plate; 14. an irrigation pipe; 15. positioning a screw rod; 16. a sowing port; 17. a telescopic rod; 18. a reciprocating rack; 19. a residual gear; 20. a fixed mount; 21. a seeding housing; 22. a feed inlet; 23. a seeding tray; 24. a seed groove; 25. a drive shaft; 26. adjusting a rod; 27. a lifting shaft; 28. a water supply pipeline; 29. a piston post; 30. a piston; 31. a check block; 32. a return spring; 33. a hose; 34. a fluted disc; 35. an adjusting gear; 36. ditching and shoveling; 37. a first belt drive mechanism; 38. a motor; 39. and a second belt drive mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: an automatic seed sowing device for agricultural planting comprises a frame plate 1, front wheels 2, universal wheels 3, a push handle 4, a water tank 5, a water inlet 6, a seed storage box 7, a rocking handle 8, a soil stirring block 9, a water distribution block 10, a lifting plate 11, a guide rail 12, a sliding plate 13, an irrigation pipe 14, a positioning screw 15, a sowing port 16, a telescopic rod 17, a reciprocating gear frame 18, a residual gear 19, a fixed frame 20, a sowing shell 21, a feeding port 22, a sowing disc 23, a seed groove 24, a driving shaft 25, an adjusting rod 26, a lifting shaft 27, a water supply pipeline 28, a piston column 29, a piston 30, a non-return block 31, a reset spring 32, a hose 33, a fluted disc 34, an adjusting gear 35, a ditching shovel 36, a first belt transmission mechanism 37, a motor 38 and a second belt transmission mechanism 39, wherein the front wheels 2 are connected to the front and rear sides of the left lower end face of the frame plate 1 through shafts, the front and rear sides of the right lower end face of the frame plate 1 are connected with the universal wheels 3 through bearings, and the right side of the frame plate 1 is fixedly connected with a push handle 4, the upper end surface of the frame plate 1 is provided with a water tank 5, the upper end of the front end surface of the water tank 5 is provided with a water inlet 6, the frame plate 1 at the left side of the water tank 5 is provided with a seed storage box 7, the middle part of the bottom surface of the frame plate 1 is connected with a lifting shaft 27, the side surface of the upper end of the lifting shaft 27 is connected with a fluted disc 34 through a key, the middle part of the front end surface of the frame plate 1 is connected with an adjusting rod 26 through a bearing, the front end of the adjusting rod 26 is connected with a rocking handle 8, the rear end surface of the adjusting rod 26 is connected with an adjusting gear 35 through a key, the lifting shaft 27 is connected with a lifting plate 11, the left side and the right side of the lower end surface of the lifting plate 11 are provided with guide rails 12, the guide rails 12 are slidably connected with a sliding plate 13, the left lower end surface of the sliding plate 13 is connected with a ditching shovel 36, the side surface of the sliding plate 13 is connected with a seeding shell 21, the upper end of the seeding shell is provided with a feed inlet 22, and the feed inlet 22 is connected with the bottom surface of the seed storage box 7 through a hose 33, the lower end of the seeding shell 21 is provided with a seeding port 16, the seeding shell 21 is internally connected with a driving shaft 25, the driving shaft 25 is connected with a seeding disc 23, the arc surface of the seeding disc 23 is provided with a seed groove 24, the lower end surface of a sliding plate 13 at one side of the seeding shell 21 is connected with a soil-shifting block 9, the lower end surface of the sliding plate 13 at one side of the soil-shifting block 9 is connected with an irrigation pipe 14, the sliding plate 13 at one side of the irrigation pipe 14 is connected with a positioning screw 15, the right side of the upper end surface of a lifting plate 11 is connected with a water supply pipeline 28, the front end and the rear end inside the water supply pipeline 28 are provided with check blocks 31, the check blocks 31 are connected with a return spring 32, one end of the water supply pipeline 28 is connected to the lower end of a water tank 5 through a hose 33, the water distribution block 10 is arranged at one side of the water supply pipeline 28, the other end of the water supply pipeline 28 is connected with the water distribution block 10, the side of the water supply pipeline 28 is connected with a piston column 29, and a piston 30 is arranged inside the piston column 29, the right end face of the lifting plate 11 is connected with a fixed frame 20, the fixed frame 20 is connected with a reciprocating gear frame 18, the reciprocating gear frame 18 is connected with a piston 30 through a telescopic rod 17, a residual gear 19 is connected to the inside of the reciprocating gear frame 18 through a shaft, the bottom face of the lifting plate 11 is connected with a motor 38, the motor 38 is connected with the shaft of the residual gear 19 through a second belt transmission mechanism 39, and the motor 38 is connected with a driving shaft 25 through a first belt transmission mechanism 37.

Dial native piece 9's structural shape is "V" shape, and dial native piece 9 highly be a little higher than ditching shovel 36's height, can be convenient for stir planting hole soil around through dialling native piece 9 "V" shape structure, thereby cover the plant seed soil, and can be convenient for through dial native piece 9 highly be a little higher than ditching shovel 36 highly make the planting hole that ditching shovel 36 dug be less than the lower extreme plane of dialling native piece 9, thereby can make the planting can obtain better soil covering.

Both sides are connected through the slider spout around lifter plate 11 and the 1 lower extreme of framed panel, and lifter plate 11 is connected through the screw thread with lift axle 27, can be convenient for drive through rotating rocking handle 8 and adjust pole 26 and rotate, adjust pole 26 and drive lift axle 27 through fluted disc 34 and adjusting gear 35 and rotate, and can be convenient for rotate through lift axle 27 and drive lifter plate 11 and slide from top to bottom in the spout of both sides around the lower extreme of framed panel 1 under the effect of screw thread to can realize the planting depth of seed and adjust.

The quantity of sliding plate 13 sets up to 4, and sliding plate 13 passes through guide rail 12 and lifter plate 11 sliding connection, can be convenient for set up to 4 through the quantity of sliding plate 13 and make this seeder can sow 4 rows of seeds simultaneously, thereby improved the efficiency of seed seeding, and can be convenient for make sliding plate 13 can be at the back-and-forth movement of lifter plate 11 lower extreme through sliding plate 13 through guide rail 12 and lifter plate 11 sliding connection, thereby can realize adjusting the planting interval of seed.

The structure shape of reciprocal rack 18 is "L" shape, and the inside both sides of mount 20 are provided with the spout to reciprocal rack 18 and the inside spout sliding connection of mount 20 can be convenient for make reciprocal rack 18 can be reciprocating motion about in mount 20 through the inside spout sliding connection of reciprocal rack 18 and mount 20, thereby can be convenient for drive piston 30 through telescopic link 17 and supply water to irrigating the seed in piston post 29 reciprocating motion.

The structural shape of seed groove 24 is the ball-type recess, and seed groove 24 circumference equidistance distributes on the circumference side of seeding dish 23, can be convenient for rotate through drive shaft 25 and drive seeding dish 23 and rotate, thereby stir the seed in seed case 7 to the seeding dish 23 side in the seed groove 24 on the circumference side through hose 33, and can be convenient for make this seeder can carry out the equidistance seeding through seeding mouth 16 of sowing shell 21 lower extreme on the circumference side of seeding dish 23 through seed groove 24 circumference equidistance distribution, thereby make more even that the seed was planted.

The vertical cross-sectional structure shape of drive shaft 25 is regular hexagon, and seeding disc 23 middle part is provided with the regular hexagon through-hole, and seeding disc 23 and drive shaft 25 sliding connection, can be convenient for be provided with the regular hexagon through-hole through drive shaft 25 and seeding disc 23 middle part and cooperate and make the drive shaft 25 rotate and can drive seeding disc 23 and rotate, and can be convenient for make when adjusting sliding plate 13 and lifter plate 11's relative position through seeding disc 23 and drive shaft 25 sliding connection, seeding disc 23 can slide on drive shaft 25, thereby make drive shaft 25 still can be to the stable transmission of seeding disc 23.

The check block 31 is formed by connecting 2 circular plates through a shaft, and the circular plate at the rear side of the check block 31 is smaller than the diameter of the circular plate at the front side, and a circular through hole is formed in the circular plate at the front side of the check block 31, so that when the piston 30 moves to the right side of the piston post 29, the check block 31 at the front end of the water supply pipe 28 moves to the rear side, thereby sucking the water in the water tank 5 into the water supply pipe 28, and when the piston 30 moves to the left side of the piston post 29, the check block 31 at the rear end of the water supply pipe 28 moves to the rear side, thereby supplying the water in the water supply pipe 28 into the water diversion block 10, thereby enabling the seeds to be irrigated by supplying the water into the irrigation pipe 14 through the water diversion block 10.

The working principle is as follows: firstly, water required for irrigation is added into a water tank 5 through a water inlet 6, and seeds required to be planted are placed into a seed storage box 7;

the seeding device is pushed into a farmland, the seeding device is adjusted according to the planting depth requirement of seeds, and the rocking handle 8 rotates to drive the adjusting rod 26 to rotate by rotating the rocking handle 8;

the adjusting rod 26 rotates to drive the lifting shaft 27 to rotate through the fluted disc 34 and the adjusting gear 35, and the lifting shaft 27 rotates to drive the lifting plate 11 to slide up and down at the lower end of the frame plate 1 under the action of the threads;

the lifting plate 11 moves up and down to drive the sliding plate 13 connected with the lower end of the lifting plate to move up and down, so that the height of the furrowing blade 36 connected with the lower end of the sliding plate 13 is changed, and the depth of the planting pit is changed;

the seeding device is adjusted according to the planting distance requirement of seeds, and the seeding device is rotated in a loose state by rotating a positioning screw rod 15 at the bottom of one side of a sliding plate 13;

sliding the sliding plate 13 on the guide rail 12 at the lower end of the lifting plate 11 according to the requirement of planting space, adjusting to a proper position, and then screwing the positioning screw 15 to position the sliding plate 13;

after the adjustment is completed, the motor 38 starts to rotate by starting the seeding device, and the motor 38 drives the driving shaft 25 to rotate through the first belt transmission mechanism 37;

the driving shaft 25 rotates to drive the sowing disc 23 to rotate, so that the seeds in the seed storage box 7 are stirred into the seed grooves 24 on the side surface of the sowing disc 23 through the hose 33;

the seeding device can sow seeds at equal intervals through the seeding port 16 at the lower end of the seeding shell 21 by the movement of the seed groove 24;

by pushing the seeding device forward, the furrowing blade 36 at the lower end of the lifting plate 11 slots the soil, and the seeds fall into the slots of the soil through the seeding port 16 at the lower end of the seeding housing 21;

the soil at the upper end of the soil groove is pushed into the groove by the forward movement of the soil poking block 9 at the lower end of the sliding plate 13, so that the seeds are covered with soil;

the motor 38 rotates to drive the residual tooth gear 19 to rotate through the second belt transmission mechanism 39, and the residual tooth gear 19 rotates to drive the reciprocating gear frame 18 to move in the fixed frame 20;

the reciprocating rack 18 drives the piston 30 to reciprocate in the piston column 29 through the telescopic rod 17, and when the piston 30 moves towards the right side of the piston column 29, the check block 31 at the front end of the water supply pipeline 28 moves towards the rear side, so that the water in the water tank 5 is sucked into the water supply pipeline 28;

when the piston 30 moves to the left side of the piston post 29, the check block 31 at the rear end of the water supply pipe 28 moves to the rear side, thereby supplying the water in the water supply pipe 28 to the water-diversion block 10;

the water distribution block 10 supplies water into the irrigation pipe 14 through the hose 33 to irrigate the seeds, thereby completing the seeding process of the seeds, which is not described in detail in this specification and is well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic seeder of seed for farming, includes framed panel (1), its characterized in that: the front and back sides of the lower end face of the left side of the frame plate (1) are connected with front wheels (2) through shafts, the front and back sides of the lower end face of the right side of the frame plate (1) are connected with universal wheels (3) through bearings, the push handle (4) is fixedly connected to the right side of the frame plate (1), the upper end face of the frame plate (1) is provided with a water tank (5), the upper end of the front end face of the water tank (5) is provided with a water inlet (6), the left frame plate (1) of the water tank (5) is provided with a seed storage box (7), the middle part of the bottom surface of the frame plate (1) is connected with a lifting shaft (27), the side face of the upper end of the lifting shaft (27) is connected with a fluted disc (34) through keys, the middle part of the front end face of the frame plate (1) is connected with an adjusting rod (26) through bearings, the front end of the adjusting rod (26) is connected with a rocking handle (8), and the rear end face of the adjusting rod (26) is connected with an adjusting gear (35) through keys, the device is characterized in that a lifting plate (11) is connected onto the lifting shaft (27), guide rails (12) are arranged on the left side and the right side of the lower end face of the lifting plate (11), a sliding plate (13) is connected onto the guide rails (12) in a sliding manner, a ditching shovel (36) is connected onto the lower end face of the left side of the sliding plate (13), a seeding shell (21) is connected onto the side face of the sliding plate (13), a feed inlet (22) is formed in the upper end of the seeding shell (21), the feed inlet (22) is connected with the bottom face of the seed storage box (7) through a hose (33), a seeding port (16) is formed in the lower end of the seeding shell (21), a driving shaft (25) is connected into the seeding shell (21), a seeding disc (23) is connected onto the driving shaft (25), a seed groove (24) is formed in the arc face of the seeding disc (23), a soil stirring block (9) is connected onto the lower end face of the sliding plate (13) on one side of the seeding shell (21), an irrigation pipe (14) is connected to the lower end face of a sliding plate (13) on one side of the soil stirring block (9), a positioning screw rod (15) is connected to the sliding plate (13) on one side of the irrigation pipe (14), a water supply pipeline (28) is connected to the right side of the upper end face of the lifting plate (11), check blocks (31) are arranged at the front end and the rear end of the interior of the water supply pipeline (28), a return spring (32) is connected to each check block (31), one end of the water supply pipeline (28) is connected to the lower end of the water tank (5) through a hose (33), a water distribution block (10) is arranged on one side of the water supply pipeline (28), the other end of the water supply pipeline (28) is connected with the water distribution block (10), a piston column (29) is connected to the side face of the water supply pipeline (28), a piston (30) is arranged inside the piston column (29), and a fixing frame (20) is connected to the right end face of the lifting plate (11), and be connected with reciprocal tooth frame (18) on mount (20), reciprocal tooth frame (18) are connected with piston (30) through telescopic link (17), and reciprocal tooth frame (18) inside through the hub connection have incomplete tooth gear (19), lifter plate (11) bottom surface is connected with motor (38), and motor (38) are connected with incomplete tooth gear (19) axle through second belt drive mechanism (39) to motor (38) are connected with drive shaft (25) through first belt drive mechanism (37).

2. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the soil shifting block (9) is V-shaped in structure, and the height of the soil shifting block (9) is slightly higher than that of the ditching shovel (36).

3. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the lifting plate (11) is connected with the front side and the rear side of the lower end of the frame plate (1) through sliding block sliding grooves, and the lifting plate (11) is connected with the lifting shaft (27) through threads.

4. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the number of the sliding plates (13) is 4, and the sliding plates (13) are connected with the lifting plate (11) in a sliding mode through the guide rails (12).

5. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the structure shape of the reciprocating toothed frame (18) is L-shaped, sliding grooves are formed in two sides of the interior of the fixed frame (20), and the reciprocating toothed frame (18) is in sliding connection with the sliding grooves in the interior of the fixed frame (20).

6. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the structural shape of the seed grooves (24) is a spherical groove, and the seed grooves (24) are equidistantly distributed on the circumferential side surface of the sowing disc (23).

7. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the vertical section structure shape of drive shaft (25) is regular hexagon, and seeding disc (23) middle part is provided with regular hexagon through-hole to seeding disc (23) and drive shaft (25) sliding connection.

8. The automatic seed sowing device for agricultural planting according to claim 1, wherein: the check block (31) is formed by connecting 2 circular plates through a shaft, the diameter of the circular plate at the rear side of the check block (31) is smaller than that of the circular plate at the front side, and a circular through hole is formed in the circular plate at the front side of the check block (31).