CN117322209A

CN117322209A - Grain sowing mechanism

Info

Publication number: CN117322209A
Application number: CN202311354256.8A
Authority: CN
Inventors: 章云; 张贝尼
Original assignee: Jixi Yuandao Agricultural Industrial Technology Co ltd
Current assignee: Jixi Yuandao Agricultural Industrial Technology Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-01-02

Abstract

The invention provides a grain sowing mechanism, which comprises a rectangular plate, wherein a U-shaped frame is arranged at the upper end of the rectangular plate, a feed box is arranged at the upper end of the U-shaped frame, a circular cylinder is arranged at the upper end of the rectangular plate, a feed pipe is arranged at the upper end of the circular cylinder in a communicating way, the other end of the feed pipe penetrates through the transverse part of the U-shaped frame and is communicated with the feed box, a discharge pipe is arranged at the lower end of the circular cylinder in a communicating way, the other end of the discharge pipe penetrates through the rectangular plate, a first motor is arranged at the right end of the vertical part of the U-shaped frame, a movable end of the first motor penetrates through the U-shaped frame and is connected with a first rotating shaft, the other end of the first rotating shaft penetrates through the circular cylinder, a circular plate is arranged at the outer end of the first rotating shaft, a fan-shaped groove is formed by inwards recessing the outer end of the circular plate, a plurality of triangular blocks are arranged on two inclined planes of the fan-shaped groove at equal intervals, and the rear end of the circular cylinder is recessed forwards to form a through groove penetrating through the front surface and rear surface of the circular cylinder. The quantitative seeding operation of seeds is realized, the phenomenon that more seeds appear in one pit is prevented, and the growth of the seeds is ensured.

Description

Grain sowing mechanism

Technical Field

The invention relates to a grain sowing mechanism, belonging to the technical field of grain sowing.

Background

Grain crops are the generic name of cereal crops, tuber crops and beans crops, the seeds of corresponding grain are generally required to be sowed into soil before grain harvest, wherein seeds are generally sowed through grain sowing mechanisms for convenience, pits with corresponding sizes are generally formed on the ground in the traditional sowing, then a plurality of seeds are planted in one seed pit, finally seeds are buried, the seeds are generally put into the pits in a manual grabbing mode, but the phenomenon that more seeds in the pits are fewer in the process of putting the seeds into the pits by manual grabbing is easily caused, when the seeds in the pits are more, competition relationship is easily generated between the seeds and the seeds, a certain interest relationship exists between competing objects, the phenomenon of uneven resource allocation is easily caused under the effect of the competition relationship, and when the seeds in the pits are fewer, germination of one seed is easily caused when the seeds in the pits are fewer, so that the phenomenon that the seeds in one pit are not germinated is easily caused, the quality of grain sowing is easily influenced, and therefore the grain sowing mechanism is required to be designed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a grain sowing mechanism so as to solve the problems in the background art.

In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a grain sowing mechanism, includes the rectangular plate, the rectangular plate front end sets up the connecting plate, rectangular plate lower extreme front side sets up supporting component, rectangular plate lower extreme rear side symmetry sets up two backup pads, the backup pad sets up the gyro wheel towards the outer end, the backup pad rear end sets up crushing component, the rectangular plate upper end sets up the U-shaped frame, U-shaped frame upper end sets up the workbin, the rectangular plate upper end sets up the circular cylinder, the circular cylinder is in the U-shaped frame, circular cylinder upper end intercommunication sets up inlet pipe one end, the inlet pipe other end passes U-shaped frame lateral part and arranges with the workbin intercommunication, circular cylinder lower extreme intercommunication sets up discharging pipe one end, the discharging pipe other end passes the rectangular plate and extends to the rectangular plate downside;

the utility model discloses a motor, including U-shaped frame, circular cylinder, first pivot, first motor movable end, circular cylinder, first pivot outer end, circular plate, first motor movable end, first pivot outer end, first motor movable end is passed the U-shaped frame and is connected with first pivot one end, the first pivot other end passes the circular cylinder and extends to in the vertical portion in U-shaped frame left side, first pivot is connected with the circular cylinder rotation, first pivot outer end sets up the circular plate, the circular plate outer end inwards sunken formation fan-shaped groove, the circular plate rotates the setting in the circular cylinder, two inclined planes equidistance in fan-shaped groove set up a plurality of triangular blocks, set up adjusting part in the fan-shaped groove, circular cylinder rear end is sunken forward to form the logical groove that runs through circular cylinder front and back surface, it extends to circular cylinder inner wall to lead to the adjusting part and sets up at logical groove positive front side.

Further, the adjusting part is including setting up the rectangle piece in the fan-shaped inslot, the inward sunken rectangular channel that forms of rectangle piece towards the outer end, the slip sets up the riser in the rectangular channel, the inward sunken triangular channel that forms of riser towards the outer end, the riser extends rectangular channel and laminating with two inclined planes in fan-shaped groove, the triangle piece is in the riser, the rectangular channel sets up elastic component one end towards the inner, the elastic component other end is connected with the riser, the riser right-hand member sets up the handle, the rectangle piece sets up at logical groove straight front side.

Further, the support assembly comprises two sleeves symmetrically arranged at the lower end of the rectangular plate in a rotating mode, the screws are connected with the sleeves in an internal threaded mode, the screws extend out of the sleeves and are connected with the disc, and the disc is connected with the screws in a rotating mode.

Further, the rubber pad is arranged at the lower end of the disc, a plurality of through holes are formed in the lower surface of the rubber pad at equal intervals in an upward concave mode, and the through holes penetrate through the upper surface and the lower surface of the rubber pad.

Further, two reinforcing blocks which are oppositely arranged are arranged at the upper end of the rectangular plate, the reinforcing blocks are arranged at the outer end of the circular cylinder, and the reinforcing blocks are of triangular structures.

Further, the upper end of the feed box is communicated with one end of a feed pipe, the other end of the feed pipe is communicated with a conical cover, and the conical cover is arranged in a mode of being wide at the upper part and narrow at the lower part.

Further, the right surface of the feed box is sunken leftwards to form a square groove penetrating through the left surface and the right surface of the feed box, an observation window is arranged in the square groove, and scale marks are arranged at the right end of the observation window.

Further, crushing subassembly is including setting up the horizontal portion of U-shaped board in two backup pads rear sides, two vertical portions of U-shaped board are connected with two backup pads respectively, the U-shaped board sets up in the rectangular plate downside, the U-shaped board right-hand member sets up the second motor, the second motor expansion end passes the U-shaped board and is connected with second pivot one end, the second pivot other end extends to in the vertical portion in U-shaped board left side, second pivot outer end equidistance sets up a plurality of square plates.

Further, a telescopic rod is arranged in the elastic piece, the fixed end of the telescopic rod is connected with the inward end of the rectangular groove, and the movable end of the telescopic rod is connected with the vertical plate.

The invention has the beneficial effects that:

1. when adding the seed in the workbin, can make the seed enter into in the inlet pipe, start first motor and tractor simultaneously, then make first pivot and circular plate produce and rotate, when the fan-shaped groove rotates to the inlet pipe under, can make the seed enter into the fan-shaped inslot, when the fan-shaped groove kept away from the filling tube, thereby block up the filling tube through the circular plate, when fan-shaped groove and discharging pipe intercommunication, can make the seed that is in the fan-shaped inslot fall into the discharging intraductal, thereby drop into earth through the discharging pipe, realize the ration seeding operation to the seed, prevent the phenomenon of more seeds of appearance in a hole, the growth of seed has been guaranteed.

2. When the quantity of seeds to be sowed does not change, and the size of seed granule changes, pass the logical groove with the hand earlier, then inwards remove two handles to make the riser produce the removal, and then make the elastic component compressed and produce elastic force, can make the telescopic link expansion end produce simultaneously and remove, thereby adjust the position of rectangle piece, when adjusting suitable position, loosen the handle, can make the riser outwards remove under the elastic component elastic force effect, thereby make riser and the triangle piece contact of setting on fan-shaped groove two inclined planes, through the regulation to fan-shaped groove capacity, realize carrying out quantitative seeding to the seed of equidimension not.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a grain sowing mechanism according to the present invention;

FIG. 2 is a cross-sectional view of a grain sowing mechanism according to the present invention;

FIG. 3 is a schematic view of a square plate in a grain sowing mechanism according to the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1;

FIG. 5 is a schematic view of a sleeve and screw in a grain sowing mechanism according to the present invention;

fig. 6 is an enlarged view of a portion B of fig. 1;

in the figure: 1-connecting plate, 2-rectangular plate, 3-U-shaped frame, 4-circular cylinder, 5-first pivot, 6-workbin, 7-first motor, 8-backup pad, 9-gyro wheel, 10-inlet pipe, 11-triangular block, 12-circular plate, 13-discharging pipe, 14-riser, 15-rectangular block, 16-elastic component, 17-handle, 21-sleeve, 22-screw rod, 23-disc, 24-rubber pad, 41-reinforcing block, 61-charging tube, 62-conical cover, 63-observation window, 64-scale mark, 81-U-shaped plate, 82-second motor, 83-second pivot, 84-square plate, 1601-telescopic link.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1 and fig. 2 to fig. 5, the present invention provides a technical solution: the grain sowing mechanism comprises a rectangular plate 2, wherein an installation space is provided for a circular cylinder 4 through the rectangular plate 2, the front end of the rectangular plate 2 is provided with a connecting plate 1, the connecting plate 1 is used for realizing the connection with a tractor, and the front side of the lower end of the rectangular plate 2 is provided with a supporting component;

the supporting component comprises two sleeves 21 symmetrically arranged at the lower end of a rectangular plate 2 in a rotating mode, screws 22 are rotated through the sleeves 21, screws 22 are connected with the screws 22 in an internal thread mode, discs 23 are rotated through the screws 22, the screws 22 extend out of the sleeves 21 and are connected with the discs 23, the rectangular plate 2 is supported through the discs 23, the discs 23 are connected with the screws 22 in a rotating mode, rubber pads 24 are arranged at the lower end of the discs 23, protection of the discs 23 is achieved through the rubber pads 24, a plurality of through holes are formed in the lower surface of the rubber pads 24 in an upwards concave mode at equal intervals, the effect of saving materials in production is achieved through the through holes, the through holes penetrate through the upper surface and the lower surface of the rubber pads 24, two supporting plates 8 are symmetrically arranged at the rear side of the lower end of the rectangular plate 2, installation space is provided for rollers 9 through the supporting plates 8, the rollers 9 are arranged at the outer ends of the supporting plates 8, and the rectangular plate 2 are moved through the rollers 9.

When the tractor is used, the tractor is started to a proper position, because the heights of the hooks at the back of each tractor are different, when the heights of the hooks of the tractor are higher, the sleeve 21 is firstly held, then the sleeve 21 is rotated, the sleeve 21 is in threaded connection with the screw 22, so that the screw 22 is rotated to rotate, the disc 23 which is in rotary connection with the screw 22 is further moved downwards, the sleeve 21 is continuously rotated when the disc 23 is contacted with the ground, the rectangular plate 2 is further moved upwards, the connecting plate 1 arranged on the rectangular plate 2 is further moved upwards, when the hooks are moved to the proper positions, the connecting plate 1 is connected with the hooks, when the heights of the hooks are lower, the sleeve 21 is firstly held, the sleeve 21 is reversed, the operation is repeated, the height of the connecting plate 1 is reduced, the height of the connecting plate 1 is adjusted, and the problem that the height of the hooks of the tractor is not uniform is solved.

Referring to fig. 1 to 2, the upper end of the rectangular plate 2 is provided with a U-shaped frame 3, the U-shaped frame 3 is utilized to provide an installation space for the feed box 6, the upper end of the U-shaped frame 3 is provided with the feed box 6, storage of seeds is achieved through the feed box 6, the upper end of the feed box 6 is communicated with one end of a feed pipe 61, conveying of seeds is achieved through the feed pipe 61, the other end of the feed pipe 61 is communicated with a conical cover 62, guiding of the seeds is achieved through the conical cover 62, the conical cover 62 is arranged in a manner of being wide at the upper part and narrow at the lower part, the right surface of the feed box 6 is recessed leftwards to form a square groove penetrating through the left surface and the right surface of the feed box 6, the square groove is utilized to provide an installation space for the observation window 63, the observation window 63 is arranged in the square groove, observation of the content of seeds is convenient through the observation window 63, a scale mark 64 is arranged at the right end of the observation window 63, and the observation of the number of seeds is convenient through the scale mark 64.

When in use, seeds are firstly put into the conical cover 62, so that the seeds are contacted with the inclined surface of the conical cover 62, and then the seeds enter the feeding pipe 61 under the guidance of the inclined surface of the conical cover 62, and the feeding pipe 61 is communicated with the feed box 6, so that the seeds entering the feeding pipe 61 enter the feed box 6 through the feeding pipe 61, and when a certain amount of seeds are added, the content of the seeds in the feed box 6 is observed through the observation window 63 and the scale mark 64 arranged on the feed box 6, so that the seeds are conveniently put in and observed.

Referring to fig. 1 to 2, a circular cylinder 4 is arranged at the upper end of a rectangular plate 2, an installation space is provided for a circular plate 12 through the circular cylinder 4, the circular cylinder 4 is positioned in a U-shaped frame 3, the upper end of the circular cylinder 4 is communicated with one end of a feeding pipe 10, the feeding pipe 10 is used for conveying seeds, the other end of the feeding pipe 10 passes through the transverse part of the U-shaped frame 3 and is communicated with a feed box 6, one end of a discharging pipe 13 is communicated with the lower end of the circular cylinder 4, the conveying of seeds is realized through the discharging pipe 13, and the other end of the discharging pipe 13 passes through the rectangular plate 2 and extends to the lower side of the rectangular plate 2;

the right end of the vertical part of the U-shaped frame 3 is provided with a first motor 7, the rotation of a first rotating shaft 5 is realized by utilizing the first motor 7, the movable end of the first motor 7 passes through the U-shaped frame 3 and is connected with one end of the first rotating shaft 5, the movement of a circular plate 12 is realized by the first rotating shaft 5, the other end of the first rotating shaft 5 passes through a circular cylinder 4 and extends into the vertical part on the left side of the U-shaped frame 3, the first rotating shaft 5 is rotationally connected with the circular cylinder 4, the outer end of the first rotating shaft 5 is provided with a circular plate 12, the opening of a fan-shaped groove is realized by utilizing the circular plate 12, the outer end of the circular plate 12 is inwards recessed to form a fan-shaped groove, the quantitative throwing of seeds is realized by the fan-shaped groove, and the circular plate 12 is rotationally arranged in the circular cylinder 4;

the upper end of the rectangular plate 2 is provided with two reinforcing blocks 41 which are oppositely arranged, the round cylinder 4 is supported through the reinforcing blocks 41, the reinforcing blocks 41 are arranged at the outer end of the round cylinder 4, and the reinforcing blocks 41 are of a triangular structure.

When adding the seed in the workbin 6, because the inlet pipe 10 is arranged with workbin 6 intercommunication, so can make the seed in the workbin 6 enter into in the inlet pipe 10, simultaneously start first motor 7 and tractor, then make first motor 7 expansion end produce rotation, thereby drive the first pivot 5 that is connected with first motor 7 expansion end produce rotation, and then drive the circular plate 12 that sets up at first pivot 5 outer end and produce rotation, when the fan-shaped groove of seting up on circular plate 12 rotates to inlet pipe 10 under, can make the seed enter into the fan-shaped inslot through inlet pipe 10, again because circular plate 12 is in the rotation state, so can make the fan-shaped groove keep away from filling tube 61 at pivoted in-process, thereby block up filling tube 61 through circular plate 12, when fan-shaped groove is in the in-process of rotation with discharging tube 13 intercommunication, can make the seed that is in the fan-shaped inslot drop in discharging tube 13 under self gravity effect, thereby drop into earth through discharging tube 13, realize the ration seeding operation to the seed, the phenomenon that appears in the pit has been guaranteed more seed.

Referring to fig. 2, 4-6, two inclined planes of the fan-shaped groove are equidistantly provided with a plurality of triangular blocks 11, the triangular blocks 11 are utilized to limit the vertical plates 14, an adjusting component is arranged in the fan-shaped groove, the rear end of the circular cylinder 4 is recessed forwards to form a through groove penetrating through the front and rear surfaces of the circular cylinder 4, the position of the rectangular block 15 is conveniently adjusted through the through groove, the through groove extends to the inner wall of the circular cylinder 4, and the adjusting component is arranged at the right front side of the through groove;

the adjusting component comprises a rectangular block 15 arranged in a fan-shaped groove, wherein the rectangular block 15 is used for providing an installation space for a vertical plate 14, the rectangular block 15 is inwards sunken towards the outer end to form a rectangular groove, the rectangular groove is used for providing an installation space for the vertical plate 14, the vertical plate 14 is slidably arranged in the rectangular groove, the vertical plate 14 is used for blocking seeds, the vertical plate 14 is inwards sunken towards the outer end to form a triangular groove, the triangular block 11 is provided with a containing space through the triangular groove, the vertical plate 14 extends out of the rectangular groove and is attached to two inclined surfaces of the fan-shaped groove, the triangular block 11 is arranged in the vertical plate 14, one end of an elastic piece 16 is arranged towards the inner end of the rectangular groove, the elastic piece 16 can adopt a spring, the rebound of the vertical plate 14 is realized by the spring, the other end of the elastic piece 16 is connected with the vertical plate 14, the right end of the vertical plate 14 is provided with a handle 17, the vertical plate 14 is convenient to move through the handle 17, and the rectangular block 15 is arranged at the right front side of the through groove;

the elastic member 16 is provided therein with a telescopic rod 1601, and the telescopic rod 1601 is used to guide the movement of the riser 14, and the fixed end of the telescopic rod 1601 is connected to the rectangular groove toward the inner end, and the movable end of the telescopic rod 1601 is connected to the riser 14.

When the number of seeds to be sowed is unchanged, and the size of seed particles is changed, hands pass through the through grooves, then the two handles 17 are moved inwards, so that the vertical plate 14 connected with the handles 17 is moved, the elastic piece 16 connected with the vertical plate 14 is compressed and generates elastic force, the movable end of the telescopic rod 1601 is moved, the position of the rectangular block 15 is adjusted, when the position is adjusted to a proper position, the handles 17 are loosened, the vertical plate 14 is moved outwards under the action of the elastic force of the elastic piece 16, the vertical plate 14 is contacted with the triangular blocks 11 arranged on two inclined planes of the sector grooves, and quantitative sowing of seeds with different sizes is realized by adjusting the capacity of the sector grooves.

Referring to fig. 1, fig. 2 to fig. 3, the rear end of the supporting plate 8 is provided with a crushing assembly, the crushing assembly comprises a transverse portion of a U-shaped plate 81 arranged at the rear side of the two supporting plates 8, an installation space is provided for a second motor 82 through the U-shaped plate 81, two vertical portions of the U-shaped plate 81 are respectively connected with the two supporting plates 8, the U-shaped plate 81 is arranged at the lower side of the rectangular plate 2, the right end of the U-shaped plate 81 is provided with a second motor 82, the second motor 82 is utilized to realize the rotation of a second rotating shaft 83, the movable end of the second motor 82 penetrates through the U-shaped plate 81 and is connected with one end of the second rotating shaft 83, the rotation of a square plate 84 is realized through the second rotating shaft 83, the other end of the second rotating shaft 83 extends into the vertical portion at the left side of the U-shaped plate 81, a plurality of square plates 84 are arranged at the outer end of the second rotating shaft 83 in an equidistant manner, and the crushing of soil is realized through the square plate 84.

After the seed is sown, start the second motor 82 to make the second motor 82 expansion end produce rotation, then make the second pivot 83 that is connected with the second motor 82 expansion end produce rotation, can make the square board 84 that sets up in the second pivot 83 outer end produce rotation this moment, thereby smash earth through square board 84, and then make the earth of smashing the completion bury the hole, realize smashing the earth with the burial in hole, improved the growth of seed.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A grain sowing mechanism, which is characterized in that: the novel grinding machine comprises a rectangular plate (2), wherein a connecting plate (1) is arranged at the front end of the rectangular plate (2), supporting components are arranged at the front side of the lower end of the rectangular plate (2), two supporting plates (8) are symmetrically arranged at the rear side of the lower end of the rectangular plate (2), idler wheels (9) are arranged at the outer ends of the supporting plates (8), grinding components are arranged at the rear ends of the supporting plates (8), a U-shaped frame (3) is arranged at the upper end of the rectangular plate (2), a feed box (6) is arranged at the upper end of the U-shaped frame (3), a circular cylinder (4) is arranged at the upper end of the rectangular plate (2), one end of a feed pipe (10) is arranged at the upper end of the circular cylinder (4) in a communicating mode, the other end of the feed pipe (10) penetrates through the transverse portion of the U-shaped frame (3) and is arranged in a communicating mode with the feed box (6), and the other end of the discharge pipe (13) penetrates through the plate (2) and extends to the lower side of the rectangular plate (2);

the utility model discloses a motor, including U-shaped frame (3), circular cylinder (4), first motor (7) active end passes U-shaped frame (3) and is connected with first pivot (5) one end, the first pivot (5) other end passes circular cylinder (4) and extends to in the vertical portion in U-shaped frame (3) left side, first pivot (5) and circular cylinder (4) rotate to be connected, first pivot (5) outer end sets up circular plate (12), circular plate (12) outer end inwards caves in and forms the fan-shaped groove, circular plate (12) rotate and set up in circular cylinder (4), two inclined planes equidistance in fan-shaped groove set up a plurality of triangular blocks (11), set up adjusting part in the fan-shaped groove, circular cylinder (4) rear end is sunken forward to form the logical groove that runs through circular cylinder (4) front and back surface, logical groove extends to circular cylinder (4) inner wall, adjusting part sets up in logical groove positive front side.

2. The grain seeding mechanism of claim 1, wherein: the adjusting component comprises a rectangular block (15) arranged in a fan-shaped groove, the rectangular block (15) is recessed inwards towards the outer end to form a rectangular groove, a vertical plate (14) is arranged in the rectangular groove in a sliding mode, the vertical plate (14) is recessed inwards towards the outer end to form a triangular groove, the vertical plate (14) extends out of the rectangular groove and is attached to two inclined planes of the fan-shaped groove, the triangular block (11) is arranged in the vertical plate (14), an elastic piece (16) is arranged at one end of the rectangular groove towards the inner end, the other end of the elastic piece (16) is connected with the vertical plate (14), a handle (17) is arranged at the right end of the vertical plate (14), and the rectangular block (15) is arranged at the front side of the through groove.

3. The grain seeding mechanism of claim 1, wherein: the support assembly comprises two sleeves (21) symmetrically and rotatably arranged at the lower end of the rectangular plate (2), the screws (22) are connected with the inner threads of the sleeves (21), the screws (22) extend out of the sleeves (21) and are connected with the discs (23), and the discs (23) are rotatably connected with the screws (22).

4. A grain seeding mechanism according to claim 3, wherein: the lower end of the disc (23) is provided with a rubber pad (24), the lower surface of the rubber pad (24) is recessed upwards to form a plurality of through holes at equal intervals, and a plurality of through holes penetrate through the upper surface and the lower surface of the rubber pad (24).

5. The grain seeding mechanism of claim 1, wherein: the upper end of the rectangular plate (2) is provided with two reinforcing blocks (41) which are oppositely arranged, the reinforcing blocks (41) are arranged at the outer end of the circular cylinder (4), and the reinforcing blocks (41) are of a triangular structure.

6. The grain seeding mechanism of claim 1, wherein: the upper end of the feed box (6) is communicated with one end of a feeding pipe (61), the other end of the feeding pipe (61) is communicated with a conical cover (62), and the conical cover (62) is arranged in a mode of being wider at the upper part and narrower at the lower part.

7. The grain seeding mechanism of claim 1, wherein: the right surface of the feed box (6) is sunken leftwards to form a square groove penetrating through the left surface and the right surface of the feed box (6), an observation window (63) is arranged in the square groove, and graduation marks (64) are arranged at the right end of the observation window (63).

8. The grain seeding mechanism of claim 1, wherein: the crushing assembly comprises a U-shaped plate (81) transverse portion arranged on the rear side of two supporting plates (8), two vertical portions of the U-shaped plate (81) are respectively connected with the two supporting plates (8), the U-shaped plate (81) is arranged on the lower side of a rectangular plate (2), a second motor (82) is arranged at the right end of the U-shaped plate (81), the movable end of the second motor (82) penetrates through the U-shaped plate (81) and is connected with one end of a second rotating shaft (83), the other end of the second rotating shaft (83) extends into the vertical portion on the left side of the U-shaped plate (81), and a plurality of square plates (84) are arranged at the outer end of the second rotating shaft (83) at equal intervals.

9. The grain seeding mechanism of claim 2, wherein: the telescopic rod (1601) is arranged in the elastic piece (16), the fixed end of the telescopic rod (1601) is connected with the rectangular groove towards the inner end, and the movable end of the telescopic rod (1601) is connected with the vertical plate (14).