CN112292980A

CN112292980A - Seed sowing machine with quantitative sowing structure for agricultural planting

Info

Publication number: CN112292980A
Application number: CN202011213683.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qian Jianchen
Current assignee: Qian Jianchen
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-02-02

Abstract

The invention relates to the technical field of agricultural planting and seeding, in particular to a seed sowing machine with a quantitative sowing structure for agricultural planting, which comprises a tractor body and a furrow opener, wherein a hopper is fixedly connected above a connecting frame, a quantitative adjusting assembly is fixedly connected below the hopper, the quantitative adjusting assembly comprises a protective shell, a first end surface is fixedly connected inside the protective shell, a shell is fixedly connected behind the first end surface, a stirring disc is movably connected inside the shell, the bottom of the quantitative adjusting assembly is fixedly connected with the furrow opener, and a transmission assembly is fixedly connected between a supporting wheel and the quantitative adjusting assembly. The quantitative adjusting assembly is arranged, the quantitative adjusting assembly can be driven by the rotation of the supporting wheel, further, the quantitative adjustment of seeds in the sowing work can be realized, and excessive seeds can be prevented from dropping at one time in the sowing process.

Description

Seed sowing machine with quantitative sowing structure for agricultural planting

Technical Field

The invention relates to the technical field of agricultural planting and seeding, in particular to a seed seeder with a quantitative seeding structure for agricultural planting.

Background

In China, the production of crops such as grains, cotton, oil, sugar, hemp, silk, tobacco, tea, fruits, medicines, impurities and the like is generally referred to as narrow-sense agriculture, which is also called as crop cultivation industry, and the crops planted by the sowing machine are required to be cultivated while agricultural planting is carried out.

The invention belongs to the technical field of agricultural planting and seeding, and particularly relates to an automatic quantitative seed supply device for a precision seeder, which comprises a controller, a stepping motor, a seed supply box, a first seed slide plate, a second seed slide plate, a third seed slide plate, a first sponge seed protection block, a driving belt wheel, a driven belt wheel, a conveying belt, a seed falling conveying groove and a second sponge seed protection block, wherein the controller is electrically connected with the stepping motor; the driving belt wheel is connected with an output shaft of the stepping motor, the conveying belt is arranged on the driving belt wheel and the driven belt wheel, and the first sponge seed protection block and the second sponge seed protection block are respectively arranged above two ends of the conveying belt; the seed falling conveying groove is fixed at the bottom of the seed supply box; the first seed slide plate, the second seed slide plate and the third seed slide plate are fixed on the side wall of the seed supply box, the automatic quantitative accurate seed supply can be realized, the damage degree to seeds is low, and the working time of the seeder can be prolonged by one-time seed supply; the device is provided with a plurality of devices and steps, and a mechanism adopting a vibrating disc is easy to resonate due to the vibration of the device during the use process, so that the distribution of seeds is influenced.

Therefore, it is desirable to design a seed sowing machine with a quantitative sowing structure for agricultural planting to solve the above problems.

Disclosure of Invention

The invention aims to provide a seed sowing machine with a quantitative sowing structure for agricultural planting, which aims to solve the problems that the prior art does not have the quantitative sowing structure and cannot adjust the sowing quantity.

In order to achieve the purpose, the invention provides the following technical scheme: a seed sowing machine with a quantitative sowing structure for agricultural planting comprises a tractor body and a furrow opener, wherein the tractor body comprises a diesel engine, the bottom of the diesel engine is fixedly connected with a frame, the front end and the rear end of the frame are fixedly connected with wheels, the left side of the frame is fixedly connected with a guard plate, the left side of the tractor body is fixedly connected with a connecting frame, the front end and the rear end of the connecting frame are movably connected with supporting wheels, a hopper is fixedly connected above the connecting frame, a quantitative adjusting component is fixedly connected below the hopper and comprises a protective shell, a first end surface is fixedly connected inside the protective shell, a shell is fixedly connected behind the first end surface, a second end surface is fixedly connected behind the shell, a material guide cavity is fixedly connected below the shell, and a material guide opening is fixedly formed in the front of the first end surface, the improved quantitative adjusting device is characterized in that a material guide pipe is fixedly connected to the front of the material guide opening, a material distribution hose is fixedly connected to the bottom of the material guide cavity, a material stirring disc is movably connected to the inside of the shell and comprises a rotating disc, a material stirring baffle is fixedly connected to the outside of the rotating disc, a discharge hole is formed in the lower portion of the material stirring baffle, a furrow opener is fixedly connected to the bottom of the quantitative adjusting assembly, and a transmission assembly is fixedly connected between the supporting wheel and the quantitative adjusting assembly.

Preferably, the right-hand member fixedly connected with guard shield of frame, the output of diesel engine is connected with the belt pulley, and connects on the main shaft at wheel rear through the V belt, the rear of backplate is provided with the connecting piece, and left side fixedly connected with link.

Preferably, the link includes the spread groove, the first fixed frame of left side fixedly connected with of spread groove, the below fixedly connected with bracing piece of first fixed frame, the fixed frame of bottom fixedly connected with second of bracing piece, both ends all are connected with the leading wheel about the fixed frame of second, fixedly connected with mount between the bracing piece.

Preferably, first fixed frame is the rectangle structure, and the right side is three horn shapes, the bracing piece is provided with two sets ofly, and is in respectively between the fixed frame of first fixed frame and second, fixedly connected with damping spring between bracing piece and the first fixed frame, and be the slope form, the leading wheel passes through the both ends of rotation axis connection at the fixed frame of second.

Preferably, the supporting wheels are provided with two groups and are respectively arranged at the front end and the rear end of the connecting frame, the supporting wheels are of a metal frame structure, the surface of the supporting wheels is fixedly connected with a grabbing floor, and a transmission assembly is movably connected between the supporting wheels.

Preferably, the protective shell is of a rectangular frame structure, the first end face is circular, threaded holes are formed in the edge of the first end face, the first end face is identical to the second end face in structure, the shell is fixedly connected between the first end face and the second end face, a material guide port is formed in the front face of the first end face, a material guide pipe is connected to the outside of the material guide port, and a ball bearing is fixedly connected to the front face of the first end face.

Preferably, the inner wall of casing is provided with wear-resistant coating, dial the middle fixedly connected with driven shaft of charging tray, dial the material baffle and be provided with ten groups altogether, and evenly distributed is at the outer wall of rolling disc, the tip of dialling the material baffle is the arcuation, the outer wall spraying of dialling the material baffle has wear-resistant coating, the both ends of dialling the charging tray all are connected with the baffle, and openly the top has seted up the guide mouth, the guide chamber is hollow structure, and fixed connection is in the below of discharge gate, the below at the casing is seted up to the discharge gate, the inside bottom in guide chamber is coniform, the distribution hose is flexible construction.

Preferably, the furrow opener is fixedly connected to the left side of the connecting frame, the bottom of the furrow opener is of a triangular cone structure, and the upper part of the furrow opener is provided with the grass winding prevention roller; the rear of the furrow opener is of a hollow structure, a guide chute is fixedly connected above the furrow opener, and a distribution hose is inserted inside the furrow opener.

Preferably, the transmission assembly comprises a driving shaft, a first gear is fixedly connected to the outside of the driving shaft, a chain is connected to the outside of the first gear, a second gear set is connected to the other end of the chain, a driven shaft is fixedly connected to the center of the second gear set, and an adjusting wheel is arranged on the left side of the chain.

Preferably, first gear is the meshing with the chain and is connected, the chain is the meshing with the second gear group and is connected, the second gear group is provided with four layers, the both ends fixedly connected with wheel of driving shaft, driven shaft through connection is in the centre of stirring the charging tray.

Compared with the prior art, the invention has the beneficial effects that:

the seed sowing machine for agricultural planting mainly comprises a material distribution barrel and a material stirring baffle plate, wherein the material stirring baffle plate can be further driven to rotate through the transmission of a chain wheel, the seeds can be further quantitatively regulated through the rotation of the material stirring baffle plate, the specification size of the material stirring component can be regulated for use, the sowing interval can be further regulated according to the replacement of the material stirring component, the seeds can be quantitatively selected through the arrangement of the material stirring baffle plate, so that the quantity control of the seeds at the sowing place can be controlled, the quantitative sowing of the seeds can be further realized, in addition, through the installation and the use of regulating gears, the wheels can be further driven to rotate through the chain wheel, the material stirring plate is further driven to rotate through a driven shaft, and the seed sowing machine can be further used through the regulation of gears with different sizes, the regulation of the rotating speed of the material stirring disc can be realized, the regulation of the seeding speed can be further realized, and the quantitative seeding can be further used for regulating and controlling the seeding speed.

Drawings

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

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the quantitative adjustment assembly of the present invention;

FIG. 4 is a schematic left side view of the quantitative adjustment assembly of the present invention;

FIG. 5 is a schematic sectional view of the quantitative adjustment assembly of the present invention;

FIG. 6 is a schematic view of the overall structure of the kick-off plate of the present invention;

fig. 7 is a front view of the transmission assembly of the present invention.

In the figure: 1. a tractor body; 11. a diesel engine; 12. a wheel; 13. a frame; 14. a guard plate; 2. a connecting frame; 21. connecting grooves; 22. a first fixed frame; 23. a support bar; 24. a second fixed frame; 25. a guide wheel; 26. a fixed mount; 3. a support wheel; 4. a hopper; 5. a quantitative adjustment assembly; 51. a protective shell; 52. a first end face; 53. a second end face; 54. a material guide pipe; 55. a material guiding cavity; 56. a cloth hose; 57. a housing; 58. a material stirring disc; 581. rotating the disc; 582. a material stirring baffle plate; 583. a discharge port; 59. a material guide port; 6. a furrow opener; 7. a transmission assembly; 71. a drive shaft; 72. a first gear; 73. a chain; 74. a driven shaft; 75. a second gear set; 76. and an adjusting wheel.

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. 1-7, an embodiment of the present invention is shown:

the utility model provides a farming is with seed planter that has quantitative seeding structure, including tractor main part 1 and furrow opener 6, tractor main part 1 includes diesel engine 11, diesel engine 11's bottom fixedly connected with frame 13, frame 13's the equal fixedly connected with wheel 12 in both ends around, frame 13's left side fixedly connected with backplate 14, during the use, add diesel oil to diesel engine 11's inside, further start diesel engine 11, can be through diesel engine 11's start-up, further control wheel 12 rotates, thereby drive arrangement removes.

The left side of the tractor body 1 is fixedly connected with a connecting frame 2, the front end and the rear end of the connecting frame 2 are movably connected with supporting wheels 3, a hopper 4 is fixedly connected above the connecting frame 2, a quantitative adjusting component 5 is fixedly connected below the hopper 4, the quantitative adjusting component 5 comprises a protective shell 51, a first end surface 52 is fixedly connected inside the protective shell 51, a shell 57 is fixedly connected behind the first end surface 52, a second end surface 53 is fixedly connected behind the shell 57, a material guide cavity 55 is fixedly connected below the shell 57, a material guide opening 59 is fixedly formed in the front of the first end surface 52, a material guide pipe 54 is fixedly connected in the front of the material guide opening 59, a material distribution hose 56 is fixedly connected at the bottom of the material guide cavity 55, a material stirring disk 58 is movably connected inside the shell 57, quantitative adjustment of seeding can be realized through the arrangement of the structure, when the quantitative adjusting device is used, the material stirring disk 58 can be further driven by a transmission component 7, through the rotation of rolling disc 581, can further realize adjusting the weight of seed through dialling material baffle 582, further rotate through it, make it drop through discharge gate 583 and sow to through dialling the mutual interval between the material baffle 582, realize the quantitative regulation to the seeding.

Dial charging tray 58 includes rolling disc 581, the outside fixedly connected with of rolling disc 581 dials material baffle 582, the below of dialling material baffle 582 is provided with discharge gate 583, it rotates work to drive it through drive assembly 7, further through the rotation of driving group material baffle 582, the realization is to the weight seeding of seed, the bottom fixedly connected with furrow opener 6 of ration adjusting part 5, a seeding water conservancy diversion for the seed is used, it mainly plays the effect of ditching, and then make things convenient for the burying seeding of seed, fixedly connected with drive assembly 7 between supporting wheel 3 and the ration adjusting part 5, be used for driving dial charging tray 58 and rotate, and realize carrying out the regulation of rotational speed to it through the rotational speed of supporting wheel 3, and then can realize control through the speed that tractor main part 1 gos forward, and is simple in operation.

Frame 13's right-hand member fixedly connected with guard flap realizes the guard action to diesel engine 11 right side, avoids its in-process that uses to appear the collision, leads to it to receive the damage, and diesel engine 11's output is connected with the belt pulley, and connects on the main shaft at wheel 12 rear through the V belt, can realize the drive to wheel 12 pivoted, and the rear of backplate 14 is provided with the connecting piece, and left side fixedly connected with link 2.

The link 2 includes the connecting groove 21, the first fixed frame 22 of left side fixedly connected with of connecting groove 21, the below fixedly connected with bracing piece 23 of first fixed frame 22, the fixed frame 24 of bottom fixedly connected with second of bracing piece 23, both ends all are connected with leading wheel 25 about the fixed frame 24 of second, fixedly connected with mount 26 between the bracing piece 23 for the stable use of support, and through the setting of leading wheel 25, further can improve the stability of device work, thereby the operating performance of device.

First fixed frame 22 is the rectangle structure, and the right side is three horn shapes, bracing piece 23 is provided with two sets ofly, and be in respectively between first fixed frame 22 and the fixed frame 24 of second, fixedly connected with damping spring between bracing piece 23 and the first fixed frame 22, and be the slope form, mainly play absorbing effect, the reduction equipment is when seeding, because of the vibration that the unevenness in ground appears, thereby improve the device operability, make its be convenient for control the use, leading wheel 25 passes through the both ends of the fixed frame 24 of second of axis of rotation connection, main its effect to the auxiliary stay.

Supporting wheel 3 is provided with two sets ofly, and is in both ends around link 2 respectively, and supporting wheel 3 is metal frame construction, and fixed surface is connected with grabs the floor, plays the supporting role to link 2, improves its stability, and swing joint has drive assembly 7 between supporting wheel 3, can further drive assembly 7 and carry out work through the rotation of supporting wheel 3, and then can carry out the drive work to quantitative adjusting part 5.

Protective housing 51 is rectangular frame structure, first terminal surface 52 is circular, and the edge threaded hole has been seted up, first terminal surface 52 is the same with second terminal surface 53 structure, fixedly connected with casing 57 between first terminal surface 52 and the second terminal surface 53, guide opening 59 has been seted up in the front of first terminal surface 52, and external connection has passage 54, the positive fixedly connected with ball bearing of first terminal surface 52, be convenient for driven shaft 74's rotation, reduce its frictional force, improve its transmission effect, the bottom at hopper 4 is connected at the top of passage 54, during the use, can pass through the inside of passage 59 transport to casing 57 with the inside seed of hopper 4 through guide opening 54.

The inner wall of the shell 57 is provided with a wear-resistant coating, the middle of the material stirring plate 58 is fixedly connected with a driven shaft 74, the material stirring baffle 582 is provided with eleven groups, the eleven groups are uniformly distributed on the outer wall of the rotating plate 581, the end part of the material stirring baffle 582 is arc-shaped, the wear-resistant coating is sprayed on the outer wall of the material stirring baffle 582, both ends of the material stirring plate 58 are connected with baffles, a material guide port 59 is formed in the upper front side, the material guide cavity 55 is of a hollow structure and is fixedly connected below a material outlet 583, the material outlet 583 is formed below the shell 57, through the rotation of the material stirring plate 58, the quantitative treatment of seeds entering the shell 57 can be further realized, through the rotation of the material stirring plate, the seeds can be driven to fall into the material guide cavity 55 from the material outlet 583, the seeds are further conveyed to the inside the material distribution hose 56 through the guide of the bottom of the material guide cavity 55, the inner bottom end of the material guiding cavity 55 is conical, and the material distributing hose 56 is of a flexible structure.

The furrow opener 6 is fixedly connected to the left side of the connecting frame 2, the bottom of the furrow opener 6 is of a triangular cone structure, the furrow opening treatment on a sowing land can be realized, the sowing treatment on seeds is further realized through a hollow pipeline at the rear part, and a grass winding preventing roller is arranged above the furrow opener; the rear part of the furrow opener 6 is of a hollow structure, a guide chute is fixedly connected above the furrow opener, and a distribution hose 56 is inserted inside the furrow opener to realize the guiding and conveying of seeds.

The transmission assembly 7 comprises a driving shaft 71, a first gear 72 is fixedly connected to the outside of the driving shaft 71, a chain 73 is connected to the outside of the first gear 72, a second gear set 75 is connected to the other end of the chain 73, a driven shaft 74 is fixedly connected to the center of the second gear set 75, an adjusting wheel 76 is arranged on the left side of the chain 73, transmission of the material stirring disc 58 can be realized through the arrangement of the structure, the first gear 72 is in meshed connection with the chain 73, the chain 73 is in meshed connection with the second gear set 75, the second gear set 75 is provided with four layers, wheels 12 are fixedly connected to two ends of the driving shaft 71, the driven shaft 74 is connected to the middle of the material stirring disc 58 in a penetrating manner and can drive the driving shaft 71 behind to rotate through rotation of the supporting wheel 3, further rotation of the first gear 72 is realized through the driving shaft 71, further the chain 73 can be driven to rotate, and the second gear set 75, further can realize the rotation of stirring dish 58, and then realize quantitative seeding and handle, simultaneously through the setting of regulating wheel 76, can avoid chain 73 to appear becoming flexible, lead to it to appear dropping.

The working principle is as follows: when the agricultural planting device is used, crop seeds to be planted are added into the hopper 4, the diesel engine 11 is further started to drive the wheels 12 to rotate, the tractor body 1 is further driven to move, and the connecting frame 2 is further driven to move.

Through the rotation of supporting wheel 3, can drive the driving shaft 71 at rear and rotate, further realize the rotation of first gear 72 through driving shaft 71, further can drive chain 73 and rotate, can drive second gear set 75 through driven shaft 74 simultaneously and rotate, further can realize the rotation of stirring dish 58, further drive stirring dish 58 and rotate.

After the inside of hopper 4 was added to the seed, can drop in the inside of casing 57 through passage 54, further rotation through stirring dish 58, can drive stirring baffle 582 according to the rotation of rolling disc 581 and rotate, further can realize the quantitative control regulation to the seed through stirring the rotation of material baffle 582, further rotate through it, can rotate its top to discharge gate 583, and further realize dropping of seed, the seed drops in the inside of guide chamber 55 through discharge gate 583, further carry it through cloth hose 56, drop and sow work at the rear of furrow opener 6.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a farming is with seed planter that has quantitative seeding structure, includes tractor main part (1) and furrow opener (6), tractor main part (1) includes diesel engine (11), bottom fixedly connected with frame (13) of diesel engine (11), all fixedly connected with wheel (12) in both ends around frame (13), the left side fixedly connected with backplate (14) of frame (13), its characterized in that: the tractor comprises a tractor body (1), a connecting frame (2) is fixedly connected to the left side of the tractor body (1), supporting wheels (3) are movably connected to the front end and the rear end of the connecting frame (2), a hopper (4) is fixedly connected to the upper side of the connecting frame (2), a quantitative adjusting assembly (5) is fixedly connected to the lower side of the hopper (4), the quantitative adjusting assembly (5) comprises a protective shell (51), a first end face (52) is fixedly connected to the inner portion of the protective shell (51), a shell (57) is fixedly connected to the rear portion of the first end face (52), a second end face (53) is fixedly connected to the rear portion of the shell (57), a material guide cavity (55) is fixedly connected to the lower portion of the shell (57), a material guide opening (59) is fixedly formed in the front portion of the first end face (52), and a material guide pipe (54) is fixedly, the utility model discloses a quantitative adjusting device, including casing (57), stirring baffle (582), the bottom fixedly connected with cloth hose (56) of guide chamber (55), the inside swing joint of casing (57) has stirring dish (58), stirring dish (58) are including rolling disc (581), the outside fixedly connected with of rolling disc (581) stirs material baffle (582), the below of stirring material baffle (582) is provided with discharge gate (583), the bottom fixedly connected with furrow opener (6) of quantitative adjusting part (5), fixedly connected with drive assembly (7) between supporting wheel (3) and quantitative adjusting part (5).

2. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the right-hand member fixedly connected with guard shield of frame (13), the output of diesel engine (11) is connected with the belt pulley, and connects on the main shaft at wheel (12) rear through the V-belt, the rear of backplate (14) is provided with the connecting piece, and left side fixedly connected with link (2).

3. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: link (2) are including spread groove (21), the first fixed frame (22) of left side fixedly connected with of spread groove (21), the below fixedly connected with bracing piece (23) of first fixed frame (22), the fixed frame (24) of bottom fixedly connected with second of bracing piece (23), both ends all are connected with leading wheel (25) about the fixed frame (24) of second, fixedly connected with mount (26) between bracing piece (23).

4. A seed planter with quantitative planting structure for agricultural planting according to claim 3, wherein: first fixed frame (22) are the rectangle structure, and the right side is three horn shapes, bracing piece (23) are provided with two sets ofly, and are in respectively between first fixed frame (22) and the fixed frame of second (24), fixedly connected with damping spring between bracing piece (23) and first fixed frame (22), and be the slope form, leading wheel (25) are through the both ends of rotation axis connection at the fixed frame of second (24).

5. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the supporting wheels (3) are provided with two groups and are respectively arranged at the front end and the rear end of the connecting frame (2), the supporting wheels (3) are of metal frame structures, the surface of each supporting wheel is fixedly connected with a grabbing floor, and a transmission assembly (7) is movably connected between the supporting wheels (3).

6. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the protective shell (51) is a rectangular frame structure, the first end face (52) is circular, threaded holes are formed in the edge of the first end face, the first end face (52) is identical to the second end face (53) in structure, a shell (57) is fixedly connected between the first end face (52) and the second end face (53), a material guide opening (59) is formed in the front face of the first end face (52), a material guide pipe (54) is connected to the outer portion of the front face of the first end face (52), and a ball bearing is fixedly connected to the front face of the first end face (52).

7. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the inner wall of casing (57) is provided with wear-resistant coating, the middle fixedly connected with driven shaft (74) of dialling material dish (58), dial material baffle (582) and be provided with ten a set ofly altogether, and evenly distributed is at the outer wall of rolling disc (581), the tip of dialling material baffle (582) is the arcuation, the outer wall spraying of dialling material baffle (582) has wear-resistant coating, the both ends of dialling material dish (58) all are connected with the baffle, and openly the top has seted up guide mouth (59), guide chamber (55) are hollow structure, and fixed connection is in the below of discharge gate (583), the below at casing (57) is seted up in discharge gate (583), the inside bottom of guide chamber (55) is coniform, cloth hose (56) are flexible construction.

8. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the furrow opener (6) is fixedly connected to the left side of the connecting frame (2), the bottom of the furrow opener (6) is of a triangular cone structure, and a grass winding prevention roller is arranged above the furrow opener; the rear part of the furrow opener (6) is of a hollow structure, a guide chute is fixedly connected above the furrow opener, and a cloth hose (56) is inserted inside the furrow opener.

9. The seed planter with quantitative planting structure for agricultural planting according to claim 1, wherein: the transmission assembly (7) comprises a driving shaft (71), a first gear (72) is fixedly connected to the outside of the driving shaft (71), a chain (73) is connected to the outside of the first gear (72), a second gear set (75) is connected to the other end of the chain (73), a driven shaft (74) is fixedly connected to the center of the second gear set (75), and an adjusting wheel (76) is arranged on the left side of the chain (73).

10. The seed planter with quantitative planting structure for agricultural planting according to claim 9, wherein: first gear (72) are the meshing with chain (73) and are connected, chain (73) are the meshing with second gear set (75) and are connected, second gear set (75) are provided with the four layers, the both ends fixedly connected with wheel (12) of driving shaft (71), driven shaft (74) through connection is in the centre of stirring dish (58).