CN111699795A

CN111699795A - Double-channel seed sowing device for soybean ridge sowing

Info

Publication number: CN111699795A
Application number: CN202010689120.2A
Authority: CN
Inventors: 朱鹏; 朱现忠; 肖玉银; 贾广秋; 单雷; 刘虎
Original assignee: Shandong Dahua Mechanical Co ltd
Current assignee: Shandong Dahua Mechanical Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-09-25

Abstract

The invention discloses a double-channel seed sowing device for sowing on soybean ridges, which comprises a bottom shell of the seed sowing device, a left air distribution mechanism, a right air distribution mechanism, a left seed sowing disc, a right seed sowing disc and a seed sowing shaft, wherein the seed sowing shaft is connected with a power transmission mechanism; the power transmission mechanism comprises a driving mechanism and a power transmission device, the power transmission device is a worm and gear mechanism, the power input end of the worm and gear mechanism is connected with the power output end of the driving mechanism, and the power output end of the worm and gear mechanism is connected with the seed metering shaft. The invention provides a power transmission structure of a motor-worm wheel-seed metering disc rotating shaft, which is stable in power transmission and small in jumping and sliding compared with the traditional driving scheme. Meanwhile, the handle of the seed clearing knife is adjusted according to different scales of the dial, so that the seed clearing force of each seed clearing knife can be independently adjusted, and reliable seed clearing of soybeans with different granularities can be realized under the condition that a seed discharging plate is not replaced. The seed throwing angle is adjusted through the handle, so that the soybean seeds are directionally fallen.

Description

Double-channel seed sowing device for soybean ridge sowing

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a double-channel seed sowing device for sowing on soybean ridges.

Background

At present, the soybean narrow-row close planting cultivation technology mainly comprises two modes of parallel narrow-row close planting and ridge culture close planting. Roughly divided into flat planting, large ridge and narrow row, and small ridge and narrow row close planting. The soybean small ridge row close planting high-yield cultivation technology is characterized in that double-row sowing is carried out on ridges, namely narrow-row sowing is carried out on the basis of ridge culture, and the planting mode has an obvious yield increase effect compared with the common conventional ridge culture planting. In view of this, it is necessary to develop a dual-channel seed sowing device suitable for sowing on soybean ridges and an electric driving technical scheme, so that the sowing level and the sowing quality of the soybean sowing machine are further improved, and a technical guarantee is provided for increasing the yield and improving the efficiency of soybeans.

Publication (bulletin) No.: CN103416136B, publication (public notice) day: 2015-06-10 relates to a double-cavity pneumatic seed sowing device, which consists of a left air chamber, a right air chamber, a left seed suction disc, a right seed suction disc, a seed filling cavity, a seed sowing pipe, a seed sowing shaft, a seed inlet adjusting plate and a seed discharging block. The left and right sides of the seed filling cavity of the seed sowing device are respectively and symmetrically provided with a left and right seed sucking discs and a left and right air chamber along the axial direction of the seed sowing shaft. The seed filling cavity is divided into a seed filling cavity and a seed discharging cavity by an internal division plate. The surface of the seed sucking disc is provided with a plurality of groups of seed sucking holes along the circumferential direction, and the edge of each seed sucking hole is provided with seed stirring teeth. The seed tube can swing left and right. The invention can form two seed suction plates for seeding simultaneously or sequentially or independently, and can change the seeding quantity, the seeding hole spacing and the row spacing on the premise of realizing precision seeding. The present invention is suitable for precise hole sowing of rice, cotton, corn, bean and other crops.

Publication (bulletin) No.: CN109691268A, publication (public notice) day: 2019-04-30 a dual-motor real-time reseeding regulating seeding device and method, the device is hung on a seeding machine and comprises a frame; the seed throwing mechanism comprises a first motor, an air-suction type precision seed sowing device and a seed missing sensor, wherein the seed missing sensor judges whether a seed sowing hole position of the air-suction type precision seed sowing device is a single seed or not, and controls a seed taking plate of the air-suction type precision seed sowing device to rotate through the first motor so as to ensure that the single seed is sown without seed leakage; the connecting mechanism is used for connecting the primary seed feeding mechanism and the secondary seed feeding mechanism; the secondary seed feeding mechanism comprises a second motor and a seed discharging disc, wherein the second motor controls the linear speed of the seed discharging disc to be opposite to the walking speed direction of the seeder and equal to the walking speed of the seeder, so that zero-speed seed feeding during seed falling is ensured; and a ditching mechanism; the maximum instantaneous rotating speed of the seed taking disc is greater than the instantaneous rotating speed of the seed metering disc, so that the seed metering accuracy is guaranteed. The invention also discloses a double-motor real-time reseeding, adjusting and sowing method of the device.

Publication (bulletin) No.: CN107258165A, publication (public notice) day: 2017-10-20 relates to a one-room double-row air-suction type seeder, which comprises a rack, U-shaped clamps and a seeding unit. The rack comprises a cross beam and a three-point suspension device, wherein the three-point suspension device is fixedly connected to the front part of the cross beam. The seeding monomer is more than one group and is fixedly connected with the cross beam in sequence. The seeding unit comprises a profiling four-connecting rod, a seeding unit frame, a seed box, an air suction shaft, a one-room double-row seed sowing device, a seed conveying pipe a, a seed conveying pipe b, a furrow opener a with a seed groove, a furrow opener b with a seed groove, a pressing device and a power transmission device. When the one-chamber double-row air-suction type seeder works, two rows of seeds are sown in one closed air chamber of each sowing monomer.

Publication (bulletin) No.: CN101595780A, publication (public notice) day: 2009-12-09 relates to a single-ridge and two-row suction type seed sowing device for sowing. The single-ridge double-row suction type seed sowing device comprises a seed chamber, wherein two air chambers are arranged on one side or two sides of the seed chamber, a seed sowing shaft is arranged in the middle of each air chamber, a bearing is sleeved on each seed sowing shaft, a seed sowing disc is arranged on one side of the seed chamber on each seed sowing shaft, a chain wheel is arranged on the other side of each seed sowing shaft, a seed sucking hole is arranged on each seed sowing disc, a vacuum chamber is arranged on each air chamber, and the setting position of each seed sucking hole is matched with the vacuum chamber. After the seeds sowed by the invention emerge, double seedling zones can be realized on the same ridge and are arranged at intervals, namely, a certain seedling in one seedling zone just corresponds to the middle position of the other seedling zone, and the planting distance of each seedling is equal. The requirement on the shape of the seeds is not strict, and if a certain power of the chain wheel is cut off, a single-ridge single-row is formed, so that the universality is good. Can improve the speed of seeding operation, does not repeat or leak seeding, can ensure the requirement of agricultural period and increase the yield.

Publication (bulletin) No.: CN109566018A, publication (public notice) day: 2019-04-05 relates to a double-row high-speed pneumatic precision seed sowing device, which adopts the technical scheme that the space in a housing is divided into a seed filling chamber and an air chamber by a seed suction disc, the seed filling chamber is provided with a feed inlet and a seed guide opening, a seed separating plate is arranged beside the seed guide opening, the air chamber comprises a negative pressure air chamber and a positive pressure air blowing opening positioned above a seed guide pipe, a plurality of seed suction holes are uniformly distributed on an inner ring and an outer ring of the seed suction disc, a seed separating plate positioned above the seed guide pipe is arranged in the seed filling chamber, the rear end of the seed separating plate is fixed on the housing, the front end of the seed separating plate is positioned between the inner ring seed suction hole and the outer ring seed suction hole of the seed suction disc, and the lower end of the seed separating plate extends into the seed guide opening to divide the; the seed guide pipe comprises a first seed guide pipe and a second seed guide pipe, the first seed guide area is communicated with the first seed guide pipe, and the second seed guide area is communicated with the second seed guide pipe. The double-row precision seeding machine has the advantages of simple structure, capability of simultaneously performing double-row precision seeding, low miss-seeding rate and high operation efficiency.

Publication (bulletin) No.: CN108271475A publication (announcement) day: 2018-07-13 electric-drive single-double-row universal cylindrical wheel type air-suction precision seed sowing device and a seed sowing method. The existing seed metering discs are all vertical disc type, when the number of rows needs to be changed when different crops are sowed, different seed metering devices need to be replaced to conduct seed metering, in the replacement process, the time for replacing the seed metering devices needs to be occupied, and the seed metering efficiency is lower. The utility model provides an electronic single double row general drum wheeled air suction precision seed metering ware which constitutes and includes: seed metering ware casing (2), the top of seed metering ware casing is provided with negative pressure coupling (13), and negative pressure coupling is connected with negative-pressure air fan, and the central point of seed metering ware casing puts and is equipped with bearing room and seed metering drum wheel drive shaft, and seed metering drum wheel drive shaft (6) are connected with drive step motor (5) and seed metering drum wheel (8), and the outside of seed metering drum wheel is provided with room cover (9), and the below of seed metering drum wheel is just right seed metering mouth sector both sides be equipped with malleation chamber baffle (16). The invention is applied to air-suction precision seed sowing.

The technical scheme of the prior art and the technical problems to be solved and the beneficial effects are different from those of the invention, or the technical field or the application occasion is different, and the technical documents disclosed above have no technical inspiration aiming at more technical characteristics, technical problems to be solved and beneficial effects.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a double-channel seed sowing device for sowing on soybean ridges, and compared with the traditional driving scheme, the power transmission structure of the motor-worm wheel-seed sowing disk rotating shaft of the seed sowing device has stable power transmission and small jumping and sliding. Meanwhile, the handle of the seed clearing knife is adjusted according to different scales of the dial, so that the seed clearing force of each seed clearing knife can be independently adjusted, and reliable seed clearing of soybeans with different granularities can be realized under the condition that a seed discharging plate is not replaced. The seed throwing angle is adjusted through the handle, the soybean seeds are directionally fallen, the randomness of the projection direction after the soybean seeds fall from the molded holes is avoided, the consistency of the fine sowing grain distance of the soybeans is improved, and the sowing quality of the soybean sowing machine is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a dual-channel seed sowing device for sowing on soybean ridges comprises a seed sowing device bottom shell, a left air distribution mechanism, a right air distribution mechanism, a left seed sowing plate, a right seed sowing plate and a seed sowing shaft, wherein seed filling cavities are respectively arranged on two sides of the lower half section of the seed sowing device bottom shell and are respectively a left seed filling cavity and a right seed filling cavity, the bottom in the seed sowing device bottom shell is simultaneously communicated with the left seed filling cavity and the right seed filling cavity, the left air distribution mechanism is arranged on the outer side of the left seed filling cavity, the right air distribution mechanism is arranged on the outer side of the right seed filling cavity, the left seed sowing plate and the right seed sowing plate are respectively and symmetrically arranged on the seed sowing shaft, the outer side of the left seed sowing plate corresponds to an air distribution chamber of the left air distribution mechanism, the inner side of the left seed sowing plate corresponds to the left seed filling; the seed shaft is connected with the power transmission mechanism;

the power transmission mechanism comprises a driving mechanism and a power transmission device, the power transmission device is a worm and gear mechanism, the power input end of the worm and gear mechanism is connected with the power output end of the driving mechanism, and the power output end of the worm and gear mechanism is connected with the seed metering shaft.

Further, the driving mechanism is a driving motor.

Furthermore, the driving motor is fixedly installed on the bottom shell of the seed sowing device through a bolt, a worm of the worm gear mechanism is connected with the driving motor, and a worm wheel of the worm gear mechanism is connected with the seed sowing shaft.

Furthermore, seed cleaning knife assemblies are arranged on the front sides of the left seed filling cavity and the right seed filling cavity, and each seed cleaning knife assembly comprises a seed cleaning scale plate, an outer edge seed cleaning knife assembly and an inner edge seed cleaning knife assembly;

the outer edge seed cleaning cutter assembly comprises an outer edge seed cleaning adjusting handle, a front pressing plate, an outer edge seed cleaning cutter, a connecting plate and a lower directional plate, the seed cleaning scale plate is fixed on the seed filling cavity through bolts, the seed cleaning scale plate is provided with an upper row of arc scale holes and a side row of arc scale holes, the lower half section of the outer edge seed cleaning adjusting handle is provided with 2 circular through holes, one upper circular through hole is connected with the connecting plate through a rivet, the connecting plate can be linked together with the outer edge seed cleaning adjusting handle, the lower circular through hole is hinged to the front pressing plate through a rivet, the lower circular through hole serves as the circle center of the swing of the outer edge seed cleaning adjusting handle, an arc positioning plug is arranged at the upper end of the outer edge seed cleaning adjusting handle, and the arc positioning plug is inserted into the upper row of arc scale holes; the front pressing plate is connected with the lower directional plate and the seed cleaning scale plate into a whole through rivets, the lower directional plate and the scale plate clamp the outer edge seed cleaning knife by virtue of the upper surface and the lower surface, the seed cleaning knife is positioned through the lower surface of the front pressing plate, the outer edge seed cleaning knife is riveted and positioned with the connecting plate through the rivets, and the outer edge seed cleaning knife is attached to the seed discharging disc and passes through the outer edge of the seed discharging hole when the seed discharging disc rotates;

the inner edge seed cleaning cutter assembly comprises a blade sliding block, an inner edge seed cleaning adjusting handle, a cutter holder and an inner edge seed cleaning cutter, the inner edge seed cleaning cutter is fixed on the blade sliding block through a bolt, the blade sliding block is inserted into a sliding groove of the cutter holder and is connected with the cutter holder through a rivet, the inner edge seed cleaning adjusting handle is hinged on the cutter holder, and the cutter holder is hinged on the seed filling cavity through a pin shaft; the upper end of the inner edge seed cleaning adjusting handle is provided with an arc-shaped positioning plug which is inserted into the arc-shaped scale holes of the side row, and the inner edge seed cleaning knife is attached to the seed discharging disc and passes through the inner edge of the seed discharging row-shaped holes when the seed discharging disc rotates.

Further, fill kind of cavity rear side installation terminal seed delivery mechanism, terminal seed delivery mechanism is including throwing kind of angle scale plate, throwing kind of adjustment handle, throw kind of the board, throw kind of angle scale plate passes through the bolt fastening on filling kind of cavity, set up on throwing kind of angle scale plate and throw kind of adjustment arc scale hole, throw kind of adjustment handle upper end and be arc positioning plug, arc positioning plug inserts and throw kind of adjustment arc scale downthehole, throw kind of board and be located and fill kind of cavity, throw kind of board and be the arc board, throw kind of board upper end and set up two holes, lean on the hole and throw kind of adjustment handle lower extreme and be connected fixedly as an organic whole, a hole that leans on is articulated on filling kind of cavity through the axle.

Furthermore, the bottom in the bottom shell of the seed sowing device is provided with a herringbone shunting seed channel, so that the left seed filling cavity and the right seed filling cavity are simultaneously communicated with the upper half section space of the bottom shell of the seed sowing device through the herringbone shunting seed channel, the left seed filling cavity and the right seed filling cavity are both provided with seed sowing plate flanges arranged on a seed sowing shaft, namely a left seed sowing plate flange and a right seed sowing plate flange, the two seed sowing plate flanges are both provided with 1S-shaped rib plate as a seed retaining plate, namely a left seed retaining plate and a right seed retaining plate, the outer side of the left seed retaining plate corresponds to the left seed sowing plate, and the outer side of the right seed retaining plate corresponds to the right.

Further, sealing rings are mounted on the inner side face of the air distribution chamber of the left air distribution mechanism and the inner side face of the air distribution chamber of the right air distribution mechanism, the sealing rings are of non-flexible plastic polyurethane self-lubricating structures, the outer ring is of a split arc structure, a negative pressure groove is formed in the middle of the outer ring, and the sealing rings are sealed on the edge of the outer side face of the left seed metering disc or the edge of the outer side face of the.

Further, left seed metering dish or right seed metering dish are disc type sheet metal construction, and a plurality of cubic disturbing tooth of evenly riveting are peripheral to the outer fringe, disturb kind of tooth and be right angle bending structure, and the edge is provided with the chamfer, and the design of centre has regular hexagon type through-hole to install on the regular hexagon flange at seed metering axle both ends.

Furthermore, the seed shaft penetrates through the bottom shell of the seed sowing device, extends to two ends of the bottom shell of the seed sowing device, and two ends of the seed shaft are connected with the regular hexagonal flange and connected with the seed sowing disk.

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

1. the invention respectively introduces negative pressure gas from the air inlet channels of the left shell and the right shell, utilizes the pressure difference at the position of the shaped hole to adsorb soybean seeds on the shaped hole of the seed sowing plate, follows the rotation of the seed sowing plate, and the soybean seeds fall off from the shaped hole of the seed sowing plate after leaving the negative pressure cavity. The left side and the right side of the seed sowing device can independently supply air, so that the single-row sowing can be independently operated, and the two sides can simultaneously operate to complete the double-channel sowing on the soybean ridges.

2. The bottom shell seed channel of the seed sowing device is arranged in a shape like the Chinese character 'gong', the upper end of the seed sowing device is provided with a seed cabin, and the seed cabin flies to the left side and the right side through the double-channel seed channel. Effectively reducing the volume of the seeder and completing the seed supply of a seed box with double channels.

3. The sealing ring is a polyurethane non-flexible sealing ring, so that the abrasion between the sealing ring and the seed metering disc in the working process is reduced, and the service life is prolonged.

4. The invention provides an electric drive scheme: compared with the traditional driving scheme, the power transmission structure of the motor, the worm wheel and the seed sowing disk rotating shaft has stable power transmission and small jumping and sliding.

5. The invention designs a seed cleaning cutter combination which is independently adjusted to complete combined seed cleaning and comprises an outer edge seed cleaning and an inner edge seed cleaning. Along with the rotation of the seed sowing plate, the double-side seed clearing of the outer edge and the inner edge of the hole is completed in sequence. Meanwhile, the handle of the seed clearing knife is adjusted according to different scales of the dial, so that the seed clearing force of each seed clearing knife can be independently adjusted, and reliable seed clearing of soybeans with different granularities can be realized under the condition that a seed discharging plate is not replaced.

6. The invention designs a seed tail end delivery device, which realizes the directional seed falling of soybean seeds by adjusting the seed delivery plate angle through a handle, avoids the randomness of the projection direction after the soybean seeds fall from a molded hole, improves the consistency of the fine sowing grain distance of the soybeans and improves the sowing quality of a soybean sowing machine.

Through the technical scheme, compared with the prior art, the double-channel seed sowing device for soybean ridge seeding and the electric drive arrangement scheme thereof are provided, the double-row seeding on the soybean ridge can be realized, the dense planting high-yield cultivation technology of the small-ridge rows of the soybeans is realized, the soybean seeding level and the seeding quality are further improved, and the technical guarantee is provided for the yield increase and efficiency improvement of the soybean seeding machine.

Drawings

FIG. 1 is a schematic side view of a dual-channel seed metering device for sowing on soybean ridges according to the present invention;

FIG. 2 is a schematic external view of a three-dimensional structure of a dual-channel seed sowing device for sowing on soybean ridges according to the present invention;

FIG. 3 is a partial cross-sectional view of the three-dimensional structure of a dual-channel seed metering device for sowing on soybean ridges according to the present invention;

FIG. 4 is a schematic structural view of a negative pressure chamber of the left housing;

FIG. 5 is a schematic view of the seed removing knife assembly with outer and inner edges;

FIG. 6 is a schematic view of a seal ring structure;

FIG. 7 is a schematic view of a terminal seed delivery configuration;

FIG. 8 is a schematic diagram of a seed feeding plate structure;

fig. 9 is a schematic view of an inner edge seed cleaning knife assembly.

In the figure: a bottom shell 1 of the seeding unit; a left shell 2 of the seeding unit; a drive motor 3; a right shell 4 of the seeding unit; an outer edge seed cleaning knife assembly 5; an inner edge seed cleaning knife assembly 6; a terminal seed delivery mechanism 7; a seal ring 8; an inner chamber 9; positioning the bushing 10; a power transmission device 11; a seed shaft 12; a seed discharge tray 13; soybean 14; a profiled bore outer edge 15; an inner edge 16 of the bore; a seed filling cavity 17; a seed plate flange 18; a baffle plate 19; and a shaped hole 20.

201. The seed sowing device comprises a left shell air inlet channel, 501 seed cleaning scale plates, 502 outer edge seed cleaning adjusting handles, 503 front pressing plates, 504 outer edge seed cleaning knives, 505 connecting plates, 506 lower orientation plates, 601 blade sliders, 602 inner edge seed cleaning adjusting handles, 603 knife rests, 604 inner edge seed cleaning knives, 701 seed throwing scale plates, 702 seed throwing adjusting handles and 703 seed throwing plates.

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 to 9, the present invention provides a technical solution:

a dual-channel seed sowing device for sowing on soybean ridges comprises a seed sowing device bottom shell 1, a left air distribution mechanism, a right air distribution mechanism, a left seed sowing plate, a right seed sowing plate and a seed sowing shaft 12, wherein seed filling cavities 17 are respectively arranged on two sides of the lower half section of the seed sowing device bottom shell and are respectively a left seed filling cavity and a right seed filling cavity, the bottom in the seed sowing device bottom shell is simultaneously communicated with the left seed filling cavity and the right seed filling cavity, the left air distribution mechanism is installed on the outer side of the left seed filling cavity, the right air distribution mechanism is installed on the outer side of the right seed filling cavity, the left seed sowing plate and the right seed sowing plate are respectively and symmetrically installed on the seed sowing shaft, the outer side of the left seed sowing plate corresponds to an air distribution chamber of the left air distribution mechanism, the inner side of the right seed sowing plate corresponds to the left seed filling; the seed shaft is connected with the power transmission mechanism;

the power transmission mechanism comprises a driving mechanism and a power transmission device 11, the power transmission device is a worm and gear mechanism, the power input end of the worm and gear mechanism is connected with the power output end of the driving mechanism, and the power output end of the worm and gear mechanism is connected with the axle arrangement shaft 12.

Further, the driving mechanism is a driving motor 3.

Further, the driving motor 3 is fixedly installed on the bottom shell of the seed sowing device through a bolt, a worm of the worm gear mechanism is connected with the driving motor 3, and a worm wheel of the worm gear mechanism is connected with the seed sowing shaft 12.

Further, seed cleaning knife assemblies are arranged on the front sides of the left seed filling cavity and the right seed filling cavity, and each seed cleaning knife assembly comprises a seed cleaning scale plate 501, an outer edge seed cleaning knife assembly and an inner edge seed cleaning knife assembly;

the outer edge seed cleaning cutter assembly comprises an outer edge seed cleaning adjusting handle 502, a front pressing plate 503, an outer edge seed cleaning cutter 504, a connecting plate 505 and a lower directional plate 506, the seed cleaning scale plate is fixed on the seed filling cavity through bolts, the seed cleaning scale plate is provided with an upper row of arc scale holes and a side row of arc scale holes, the lower half section of the outer edge seed cleaning adjusting handle is provided with 2 circular through holes, wherein the upper circular through hole is connected with the connecting plate through a rivet, so that the connecting plate can be linked together with the outer edge seed cleaning adjusting handle, the lower circular through hole is hinged on the front pressing plate through a rivet, the lower circular through hole is used as the center of the swing of the outer edge seed cleaning adjusting handle, the upper end of the outer edge seed cleaning adjusting handle is provided with an arc positioning plug, and the arc positioning plug is inserted into the upper row of arc scale; the front pressing plate is connected with the lower directional plate and the seed cleaning scale plate into a whole through rivets, the lower directional plate and the scale plate clamp the outer edge seed cleaning knife by virtue of the upper surface and the lower surface, the seed cleaning knife is positioned through the lower surface of the front pressing plate, the outer edge seed cleaning knife is riveted and positioned with the connecting plate through the rivets, and the outer edge seed cleaning knife is attached to the seed discharging disc and passes through the outer edge of the seed discharging hole when the seed discharging disc rotates;

the inner edge seed cleaning knife component comprises a blade sliding block 601, an inner edge seed cleaning adjusting handle 602, a knife holder 603 and an inner edge seed cleaning knife 604, wherein the inner edge seed cleaning knife is fixed on the blade sliding block through a bolt, the blade sliding block is inserted into a sliding groove of the knife holder and is connected with the knife holder through a rivet, the inner edge seed cleaning adjusting handle is hinged on the knife holder, and the knife holder is hinged on the seed filling cavity through a pin shaft; the upper end of the inner edge seed cleaning adjusting handle is provided with an arc-shaped positioning plug which is inserted into the arc-shaped scale holes of the side row, and the inner edge seed cleaning knife is attached to the seed discharging disc and passes through the inner edge of the seed discharging row-shaped holes when the seed discharging disc rotates.

Further, fill kind of cavity rear side installation terminal seed delivery mechanism, terminal seed delivery mechanism is including throwing kind of angle scale plate 701, throwing kind of adjustment handle 702, throw kind of board 703, throw kind of angle scale plate passes through the bolt fastening on filling kind of cavity, set up on throwing kind of angle scale plate and throw kind of adjustment arc scale hole, throw kind of adjustment handle upper end and be arc positioning plug, arc positioning plug inserts and throw kind of adjustment arc scale hole, throw kind of board and be located and fill kind of cavity, throw kind of board and be the arc type board, throw kind of board upper end and set up two holes, the hole that leans on is connected fixedly with throw kind of adjustment handle lower extreme and become an organic whole, a hole that leans on down is articulated on filling kind of cavity through the axle.

By combining the connection mode, the power is transmitted to the connecting plate and the outer edge seed cleaning knife in sequence by rotating the outer edge seed cleaning adjusting handle to the scale holes at different positions of the dial, the seed cleaning knife realizes horizontal linear movement under the limit of the front pressing plate, the seed cleaning scale plate and the lower directional plate under the drive of the power, and the seed cleaning force adjustment of the outer edge of the seed discharging disc type hole is realized.

The inner edge seed cleaning adjusting handle is rotated to the arc-shaped scale holes in the side row of the scale disc, power is transmitted to the blade sliding block, the blade sliding block linearly slides in the tool apron sliding groove under the driving of the power, the inner edge seed cleaning knife is driven to move up and down, and the seed cleaning force of the inner edge of the seed discharging row type hole is adjusted.

When the adjusting handle is rotated to different scale holes of the dial, the seed throwing plate hinged with the handle can rotate along the same direction of the hinged position, so that the seed throwing plate can be adjusted at different seed throwing angles.

Summarizing, the core improvements of the present invention are the following 2 points:

1. the power transmission structure of the motor, the worm wheel and the seed discharging disc rotating shaft is provided, and compared with the traditional driving scheme, the power transmission is stable, and the jumping and the sliding are small.

2. The handle of the seed clearing knife is adjusted according to different scales of the dial, so that the seed clearing force of each seed clearing knife can be independently adjusted, and reliable seed clearing of soybeans with different granularities can be realized under the condition of not changing a seed discharging plate. The seed throwing angle is adjusted through the handle, the soybean seeds are directionally fallen, the randomness of the projection direction after the soybean seeds fall from the molded holes is avoided, the consistency of the fine sowing grain distance of the soybeans is improved, and the sowing quality of the soybean sowing machine is improved.

Other constructions, in addition to the above modifications, are known in the art, and therefore structural components not specifically discussed are apparent to those skilled in the art, since they are well within the skill of the art to which the present disclosure pertains.

As shown in figure 1, a double-channel seed sowing device for sowing on soybean ridges, a power transmission device 11 is assembled in a chamber at the lower end of a bottom shell 1 of the seed sowing device, the power transmission device is composed of a worm wheel, a worm and a seed sowing shaft 12, the seed sowing shaft 12 respectively extends to the left side and the right side of the bottom shell 1 of the seed sowing device and is used as a rotation power shaft of a seed sowing disk 13 at the left side and the right side; a motor 3 is arranged in the middle of the bottom end of the bottom shell 1 of the seeding unit and fixed by bolts, and a power output shaft of the motor 3 is connected with a worm of a power transmission device 11; the left shell 2/the right shell 4 of the seed metering device are respectively provided with a sealing ring 8, an inner chamber cavity 9 and a positioning lining 10 and are fixed by bolts to form a negative pressure cavity chamber; an outer edge seed cleaning knife assembly 5, an inner edge seed cleaning knife assembly 6 and a tail end seed delivery device 7 are respectively arranged on two sides of a bottom shell 1 of the seed sowing device; after the steps are finished, respectively installing a seed discharging disc 13 on the seed discharging shafts 12 on two sides of the bottom shell of the seed discharging device, and simultaneously rotating the two seed discharging discs 13 along with the seed discharging shafts 12 after the installation is finished; the left 2/right shell 4 assembly of the seed metering device forming the negative pressure chamber is fixedly arranged on the bottom shell 1 of the seed metering device through a bayonet lock and a bolt.

The seeding apparatus comprises a bottom shell 1, wherein a herringbone-shaped seed distribution channel is arranged in the bottom shell, the upper end of the bottom shell is a seed inlet, the middle of the bottom shell is a shunting seed channel, and seed filling area cavities are designed on two sides of the lower end of the bottom shell. The seed inlet is connected with the seed box, and the seeds respectively slide into the cavity of the bottom seed charging area through the herringbone shunting seed channel after entering the seed inlet; the structures described in this paragraph are well known in the art for such products.

Seed metering disc flange plates are arranged in the middle of two side surfaces of the seed metering device bottom shell 1; 1 similar S-shaped rib plate is distributed as a seed baffle plate;

the driving motor 3 is fixedly arranged on the bottom shell 1 of the seeding unit through bolts and is connected with the power transmission device 11.

The power transmission device 11 is driven by a worm gear and a worm, the worm is connected with a driving motor, and the worm gear is connected with the seed sowing shaft 12. The motor is connected with a transmission shaft through a worm gear mechanism, the seeding machine belongs to the conventional known technology in the mechanical field, the seeding machine is combined with the integrated scheme of the seeding machine to belong to the creative invention technology, so the transmission mechanism does not need to give specific drawings or specific connection modes, and the technical scheme that the motor is connected with the transmission shaft through the worm gear mechanism is clear to a person skilled in the art.

The left valve actuating mechanism and the right valve actuating mechanism are both the prior known technology, and the invention only adds a sealing ring in the valve actuating chamber. The left air distribution mechanism comprises a seed metering device left shell 2, an inner chamber cavity, a sealing ring, a positioning lining and the like, and the left air distribution mechanism has the same structure. The seeding unit left shell 2 and the seeding unit right shell 4 are of a circular cavity cast aluminum structure; the left shell 2 and the right shell 4 are symmetrical structures and are installation carriers of a sealing ring 8, an inner chamber cavity 9 and a positioning lining 10; after the components are combined and installed, a negative pressure cavity chamber is formed on the shell, and the whole body is fixedly installed on the bottom shell 1 of the seed sowing device through a bayonet lock and a bolt.

The sealing ring 8 is of a non-flexible plastic polyurethane self-lubricating structure, the outer ring is of a split arc structure, a negative pressure groove is formed in the middle of the sealing ring, and the sealing ring, the inner chamber cavity 9 and the positioning bush 10 are fixedly mounted on the left shell 2 and the right shell 4 through bolts.

The seed metering disc 13 is of a disc-shaped metal plate structure, a plurality of blocky seed disturbing teeth are evenly riveted on the periphery of the outer edge of the seed metering disc, the seed disturbing teeth are of a right-angle bending structure, chamfers are arranged on the edges of the seed disturbing teeth, disturbance to seeds is formed in the rotating process, and the seed filling performance of the seed metering disc is guaranteed to be reliable. The seed-feeding device is arranged on a bottom shell 1 of the seed-feeding device through a middle positioning hole and a seed-feeding shaft 12 in a matching way, and forms a negative pressure area through the matching with a left 2/right shell 4 of the seed-feeding device, thereby completing the adsorption of seeds in a seed-filling area.

Outer clear kind of sword subassembly 5 of following is installed in seed metering ware drain pan 1 both sides, includes: a seed cleaning scale plate 501, an outer edge seed cleaning adjusting handle 502, a front pressure plate 503, an outer edge seed cleaning knife 504, a connecting plate 505 and a lower orientation plate 506. Are all sheet metal structures and are connected to form an assembly through riveting. The outer edge seed cleaning blade 504 is of a rectangular-like structure with an arc notch, a transition chamfer is arranged at the arc notch to form a cutting edge, and the cutting edge is tightly attached to the seed discharging disc 13 in the working process, so that the seeds at the outer edge of the hole can be reliably cleaned. In the working process of the seed metering device, an operator rotates the adjusting handle to the scale holes at different positions of the scale plate according to the seed filling state of seeds in the rotation process of the seed metering disc, the adjusting handle rotates to drive the connecting plate to move in the plane along with the rotation of the adjusting handle, the connecting plate continues to drive the outer edge seed cleaning knife to horizontally and linearly move under the limiting of the front pressing plate, the lower fixed line plate and the scale plate, the cutting edge of the seed cleaning knife covers the upper edge of the seed metering disc type hole, the cleaning of the seeds which are adsorbed on the type hole and rotate along with the seed metering disc is realized, the reseeding is reduced, and the seeding single seed rate of the. This kind of mode of throwing, the operator can realize the multistage regulation of the clear kind dynamics of type hole outer edge according to filling kind of a condition.

The inner edge seed cleaning knife assembly 6 comprises a blade slide block 601, an inner edge seed cleaning adjusting handle 602, a knife holder 603, an inner edge seed cleaning knife 604 and the like. The inner edge seed cleaning knife 604 is of a right-angle bent L-shaped structure, one side of the inner edge seed cleaning knife is provided with a special-shaped cutting edge, and the cutting edge is tightly attached to the seed discharging disc 13 in the working process, so that the seeds at the inner edge of the hole can be reliably cleaned. In the working process of the seed metering device, an operator rotates the adjusting handle to the scale holes at different positions of the scale plate according to the seed filling state of seeds in the rotation process of the seed metering disc, the blade sliding block linearly slides in the tool apron sliding groove along with the rotation of the adjusting handle, and simultaneously drives the inner edge seed cleaning knife to move up and down, so that the seed cleaning force on the inner edge of the seed metering row type hole is adjusted by means of the seed cleaning force.

The outer edge seed clearing cutter assembly and the inner edge seed clearing cutter assembly share one scale plate, the seed clearing force is adjusted by adjusting the handle, and the two assemblies are combined and applied, so that double-side and multi-stage seed clearing of the seed discharging disc holes can be realized, the adaptability of the seed discharging disc to seeds with different scales is improved, the single seed rate of the seed discharging device is improved, and the seed discharging performance is improved.

The tail-end seed delivery mechanism 7 comprises a seed delivery angle dial 701, a seed delivery adjusting handle 702 and a seed delivery plate 703, is fixed on a bottom shell 1 of the seed sowing device through bolts, realizes the change of the angle of the seed delivery plate 703 by adjusting the seed delivery adjusting handle 702, and realizes the directional delivery of soybean seeds falling from a model hole by the seed delivery plate through an arc side surface and a real-time angle. After seeds fall from the holes of the traditional seed sowing device, the seeds fall mainly by gravity, and the seed falling position is disordered and the seed throwing angle is disordered in the seed falling process, so that the seed spacing after sowing is uneven easily. After the seed throwing mechanism is used, the seed falling angle and position of the seeds separated from the holes are corrected by means of the arc surface of the seed throwing plate, the directional seed throwing effect is achieved, the consistency of the plant spacing after seeding is guaranteed, and the effect of reducing the variation coefficient of the seed spacing is remarkable.

The left shell or the right shell of the seed sowing device is of a cast aluminum and round cavity structure, and is matched with the inner chamber cavity, the sealing ring and the positioning lining to form a negative pressure cavity. The shell air inlet channel is connected with the fan through a plastic hose.

The seed metering dish is disc type sheet metal construction, and a plurality of cubic disturbing teeth of even riveting of outer fringe periphery, the disturbing tooth is right angle bending structure, and the edge is provided with the chamfer, rotates the disturbance that the in-process formed the seed, guarantees that seed metering ware fills kind dependable performance. The middle of the seed feeding device is provided with a regular hexagonal through hole which is matched with the seed feeding shaft and arranged on the bottom shell of the seed feeding device, and the regular hexagonal through hole is matched with the left/right shell negative pressure cavity of the seed feeding device to form a negative pressure area so as to complete the adsorption of seeds in the seed filling area.

The outer edge seed cleaning knife is of a rectangular-like arc incision structure, a transition chamfer is arranged at the arc opening to form a cutting edge, and the cutting edge is tightly attached to the seed discharging disc in the working process. The inner edge seed cleaning knife is of a right-angle bent L-shaped structure, an arc-shaped cutting edge is formed in one side of the inner edge seed cleaning knife, and the cutting edge is tightly attached to the seed discharging disc in the working process, so that reliable cleaning of seeds at the inner edge of the shaped hole is realized. The handle of the seed clearing knife is adjusted according to different scales of the dial, so that the seed clearing force of each seed clearing knife can be independently adjusted, and reliable seed clearing of soybeans with different granularities can be realized under the condition of not changing a seed discharging plate.

The tail end seed delivery mechanism corresponds to different hole positions on the seed delivery angle dial through the adjusting handle, and the seed delivery angle of the seed delivery plate is adjusted.

The seed feeding plate is of a metal plate bending structure, the L-shaped side surface of the seed feeding plate is a similar arc curved surface, and the directional feeding of the soybean seeds after falling from the holes is realized by means of the curved surface and a real-time angle.

The working process of the invention is as follows:

1) after falling from the seed box, soybean seeds enter a public seed inlet of a bottom shell 1 of the seed sowing device and are respectively guided to seed filling areas on the left side and the right side of the bottom shell of the seed sowing device through seed channels shaped like Chinese character 'income' of the bottom shell.

2) When the device works, the fan is respectively connected with the air inlet channel 201 of the left shell 2 and the air inlet channel 404 of the right shell 4 through the plastic hose and the connector, negative pressure air flows into the negative pressure cavity, and pressure gradient force is formed at the position of the hole along with the attachment of the seed discharging disc 13 and the sealing ring 8. The soybeans in the seed filling area are adsorbed on the disk-shaped holes for seeding 13 by negative pressure.

3) The motor 3 starts to work, power is transmitted to the power transmission device 11 and the seeding shaft 12 in sequence, and the seeding disc 13 rotates anticlockwise along with the seeding shaft 12. The soybean seeds in the seed filling area are continuously adsorbed on the holes of the seed discharging disc 13 and rotate along with the seed discharging disc 13 anticlockwise, and the seed filling process is completed.

4) Along with the rotation of the seed discharging disc 13, the molded holes sequentially pass through the outer edge seed cleaning cutter component 5 and the inner edge seed cleaning cutter component 6 to realize seed cleaning and complete the seed cleaning process.

4) When the seed discharging disc 13 continues to rotate, after the shaped hole on the seed discharging disc 13 rotates to be separated from the negative pressure cavity, the soybean seed falls off from the shaped hole under the action of gravity and initial speed, and then the projection angle and speed are adjusted under the action of the tail-end seed delivery device 7, so that seed falling is completed.

The power transmission device 11 is a worm gear structure, but is not limited to this structure.

All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual-channel seed sowing device for sowing on soybean ridges comprises a seed sowing device bottom shell, a left air distribution mechanism, a right air distribution mechanism, a left seed sowing plate, a right seed sowing plate and a seed sowing shaft, wherein seed filling cavities are respectively arranged on two sides of the lower half section of the seed sowing device bottom shell and are respectively a left seed filling cavity and a right seed filling cavity, the bottom in the seed sowing device bottom shell is simultaneously communicated with the left seed filling cavity and the right seed filling cavity, the left air distribution mechanism is arranged on the outer side of the left seed filling cavity, the right air distribution mechanism is arranged on the outer side of the right seed filling cavity, the left seed sowing plate and the right seed sowing plate are respectively and symmetrically arranged on the seed sowing shaft, the outer side of the left seed sowing plate corresponds to an air distribution chamber of the left air distribution mechanism, the inner side of the left seed sowing plate corresponds to the left seed filling; the seed shaft is connected with the power transmission mechanism;

the seeding machine is characterized in that the power transmission mechanism comprises a driving mechanism and a power transmission device, the power transmission device is a worm and gear mechanism, the power input end of the worm and gear mechanism is connected with the power output end of the driving mechanism, and the power output end of the worm and gear mechanism is connected with the seeding shaft.

2. The double-channel seed sowing device for the ridge sowing of the soybeans as claimed in claim 1, wherein the driving mechanism is a driving motor.

3. The dual-channel seed sowing device for soybean ridge sowing according to claim 2, wherein the driving motor is fixedly mounted on the bottom shell of the seed sowing device through a bolt, the worm of the worm gear mechanism is connected with the driving motor, and the worm gear of the worm gear mechanism is connected with the seed sowing shaft.

4. The double-channel seed sowing device for the soybean ridge seeding according to claim 1, 2 or 3, wherein seed cleaning knife assemblies are respectively installed on the front sides of the left seed filling cavity and the right seed filling cavity, and each seed cleaning knife assembly comprises a seed cleaning scale plate, an outer edge seed cleaning knife assembly and an inner edge seed cleaning knife assembly;

5. The dual-channel seed sowing device for the soybean ridge seeding as claimed in claim 1, 2 or 3, wherein the rear side of the seed filling cavity is provided with a terminal seed feeding mechanism, the terminal seed feeding mechanism comprises a seed feeding angle scale plate, a seed feeding adjusting handle and a seed feeding plate, the seed feeding angle scale plate is fixed on the seed filling cavity through bolts, a seed feeding adjusting arc scale hole is formed in the seed feeding angle scale plate, an arc positioning plug is arranged at the upper end of the seed feeding adjusting handle and inserted into the seed feeding adjusting arc scale hole, the seed feeding plate is positioned in the seed filling cavity and is an arc plate, two holes are formed in the upper end of the seed feeding plate, the upper hole and the lower end of the seed feeding adjusting handle are connected and fixed into a whole, and the lower hole is hinged to the seed filling cavity through a shaft.

6. The dual-channel seed sowing device for soybean ridge sowing according to claim 1, 2 or 3, wherein a herringbone seed dividing plate is arranged at the bottom in the bottom shell of the seed sowing device, so that a left seed filling cavity and a right seed filling cavity are simultaneously communicated with the upper half section space of the bottom shell of the seed sowing device through the herringbone seed dividing plate, the left seed filling cavity and the right seed filling cavity are respectively provided with a seed sowing plate flange plate arranged on a seed sowing shaft, the seed sowing plate flange plate is respectively a left seed sowing plate flange plate and a right seed sowing plate flange plate, the two seed sowing plate flange plates are respectively provided with 1S-shaped rib plate as seed retaining plates, the left seed retaining plate and the right seed retaining plate are respectively a left seed retaining plate and a right seed retaining plate, the outer side of the left seed retaining.

7. The dual-channel seed sowing device for soybean ridge seeding according to claim 1, 2 or 3, wherein the inner side surface of the air distribution chamber of the left air distribution mechanism and the inner side surface of the air distribution chamber of the right air distribution mechanism are both provided with sealing rings, the sealing rings are of non-flexible plastic polyurethane self-lubricating structures, the outer ring is of a split arc structure, the middle part of the outer ring is provided with a negative pressure groove, and the negative pressure groove is sealed at the edge of the outer side surface of the left seed sowing plate or the right seed sowing plate.

8. The dual-channel seed sowing device for soybean ridge sowing according to claim 1, 2 or 3, wherein the left seed sowing plate or the right seed sowing plate is of a disc-shaped metal plate structure, a plurality of block-shaped seed disturbing teeth are uniformly riveted on the periphery of the outer edge of the seed sowing plate, the seed disturbing teeth are of a right-angle bending structure, the edges of the seed disturbing teeth are provided with chamfers, and a regular hexagonal through hole is designed in the middle of the seed sowing plate and is installed on a regular hexagonal flange at two ends of a seed sowing shaft.

9. The dual-channel seed sowing device for the ridge sowing of the soybeans as claimed in claim 1, 2 or 3, wherein the seed sowing shaft penetrates through the bottom shell of the seed sowing device, extends to two ends of the bottom shell of the seed sowing device, and is connected with the seed sowing plate through two ends of the bottom shell of the seed sowing device which are connected with a regular hexagonal flange.